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WO2016085238A1 - Condensing boiler - Google Patents

Condensing boiler Download PDF

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Publication number
WO2016085238A1
WO2016085238A1 PCT/KR2015/012662 KR2015012662W WO2016085238A1 WO 2016085238 A1 WO2016085238 A1 WO 2016085238A1 KR 2015012662 W KR2015012662 W KR 2015012662W WO 2016085238 A1 WO2016085238 A1 WO 2016085238A1
Authority
WO
WIPO (PCT)
Prior art keywords
case
heat exchanger
latent heat
combustion gas
cold water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2015/012662
Other languages
French (fr)
Korean (ko)
Inventor
박형민
조성철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyungdong Navien Co Ltd
Original Assignee
Kyungdong Navien Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyungdong Navien Co Ltd filed Critical Kyungdong Navien Co Ltd
Priority to CN201580056168.7A priority Critical patent/CN107076460A/en
Priority to RU2017121895A priority patent/RU2684360C2/en
Publication of WO2016085238A1 publication Critical patent/WO2016085238A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Definitions

  • the present invention relates to a condensing boiler, and more particularly, to a condensing boiler having a simple assembly structure of a case surrounding a latent heat exchanger.
  • boilers have a heat exchanger composed of a sensible heat exchanger that absorbs the sensible heat of the combustion gas generated in the combustion chamber and a latent heat exchanger that absorbs the residual heat and the latent heat from the combustion gas that has undergone heat exchange in the sensible heat exchanger to increase the thermal efficiency.
  • This type of boiler is called a condensing boiler.
  • Korean Patent Laid-Open Publication No. 10-2009-0067760 discloses a heat exchanger for an upward combustion condensing boiler.
  • the case surrounding the outside of the latent heat exchanger was manufactured by welding a plurality of cases formed of a metal material to each other or joining with a fastening member.
  • the latent heat exchanger of the prior art is made of a metal material, the weight is heavy and high manufacturing cost, and the case consisting of a metal welded to each other and combined with a fastening member, the coupling structure is complicated and the manufacturing process of the whole device There was this complicated issue.
  • the case of the latent heat exchange part has a structure in which a plurality of components are coupled, which makes it difficult to maintain airtightness.
  • the present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a condensing boiler which can reduce manufacturing costs by simplifying the number of parts of a case surrounding the latent heat exchanger and simplifying the assembly structure. .
  • Condensing boiler of the present invention for solving the above problems, the heat exchanger in the burner 10, the sensible heat exchanger 20 to absorb the combustion heat generated by the burner 10, and the sensible heat exchanger 20
  • the condensing boiler including a latent heat exchanger 30 for absorbing the latent heat of water vapor contained in the combustion gas, the latent heat exchanger 30 is heat exchanged with the heating water flowing therein to absorb the latent heat.
  • Latent heat exchanger (100) A first case 200 formed of a metal material to form a combustion gas inlet 201 through which the combustion gas which has completed heat exchange in the sensible heat exchanger 20 is introduced, and surrounds a rear portion of the latent heat exchanger 100; Combustion gas outlet 351 for discharging the combustion gas after the heat exchange in the latent heat exchanger 100 is formed, molded into a synthetic resin so as to surround the front portion of the latent heat exchanger 100 in the first case 200 It consists of a second case 300 to be coupled.
  • the first case 200 is formed in the shape of the top is blocked in order to convert the combustion gas of the upstream flow flowing into the combustion gas inlet (201) into the combustion gas of the downstream flow;
  • the second case 300 is composed of the combustion gas outlet 351 is formed in the upper portion in order to convert the combustion gas of the downstream flow after the heat exchange in the latent heat exchanger (100) to the combustion gas of the upward flow;
  • the latent heat exchanger 100 may be formed by bonding a plurality of thin plates such that the combustion gas is inclined downward with respect to the vertical line.
  • Case packing 610 between the first case coupling surface (221a, 221b, 221c, 221d) of the first case 200 and the second case coupling surface 321a, 321b, 321c, 321d of the second case 300. ) Is interposed, and the first case and the second case coupling hole is fastened to the first case coupling surface (221a, 221b, 221c, 221d) and the second case coupling surface (321a, 321b, 321c, 321d).
  • 222a, 222b, 222c, 222d, 322a, 322b, 322c, 322d are respectively formed, and the first case coupling surface 221a, 221b, 221c, 221d and the case packing 610 and the first by the fastening member.
  • Two case coupling surfaces (321a, 321b, 321c, 321d) may be coupled to be in close contact.
  • the exhaust body 350 surrounding the combustion gas outlet 351 of the second case 300 may be coupled to the exhaust adapter 400 that can be replaced according to the diameter of the exhaust flue.
  • An adapter packing 620 may be interposed between the exhaust adapter 400 and the exhaust body 350.
  • the second case 300 has a cold water inflow passage 361 for introducing cold water into the latent heat exchanger 100 and a hot water discharge passage 371 for discharging hot water that has been heat-exchanged by the latent heat exchanger 100. May be integrally formed.
  • the latent heat exchanger 100 includes a heat exchanger 110 through which heat exchange between cold water flowing through the combustion gas and the combustion gas is performed, and cold water introduced through the cold water inflow passage 361 to the heat exchanger 110.
  • a cold water connection pipe 120 for introducing and a hot water connection pipe 130 for discharging hot water heated by heat exchange in the heat exchange unit 110 to the hot water discharge passage 371;
  • the hot water connection pipe insertion body 340a and the cold water connection pipe insertion body 340b formed at positions facing the front surface 100a of the latent heat exchanger 100 at both sides of the second case 300 are connected to the hot water.
  • the hot water connection pipe insertion hole 341a and the cold water connection pipe insertion hole 341b may be formed to respectively insert the pipe 130 so that the cold water connection pipe 120 is inserted.
  • a heat exchanger rear support part 230 is formed to support a periphery of an edge of the rear surface 100b of the latent heat exchanger 100, and inside the second case 300.
  • the heat exchanger inclination support parts 330a and 330b which are inclined toward the first case 200 are formed to support the bottom surface of the front part of the latent heat exchanger 100 in an inclined manner, so that the latent heat exchanger 100 is the second heat exchanger 100.
  • the case 300 may be installed to be inclined toward the first case 200.
  • the second case coupling surface 321d perpendicular to the second case coupling surface 321d located at the lower portion of the latent heat exchanger 100 in the second case coupling surface 321a, 321b, 321c, and 321d.
  • a bottom catching portion 313 protruding rearwardly to be formed;
  • the bottom catching portion 313 may be formed to support the bottom of the.
  • the case surrounding the latent heat exchanger is made of metal by the first case surrounding the side into which the combustion gas is introduced, and the second case surrounding the side through which the combustion gas is discharged is formed of synthetic resin. It is possible to minimize the number of components constituting the latent heat exchanger.
  • the airtight holding performance is improved by interposing a packing on the mating surface of the first case and the second case.
  • the number of parts may be minimized by integrally forming a flow path through which cold water and hot water flow in the second case.
  • the exhaust gas of the second case has a replaceable exhaust adapter according to the diameter of the exhaust flue, even when the diameter of the flue flue is changed, the same latent heat exchanger may be used by replacing only the exhaust adapter, thereby increasing component compatibility.
  • the combustion gas passing through the latent heat exchanger is a downward flow, it is possible to smooth the flow of the combustion gas by flowing in a direction inclined with respect to the vertical line.
  • the latent heat exchanger is inclinedly supported in the first case and the second case, but the rear side of the latent heat exchanger is supported in the first case, and the second case is inclinedly supported by the bottom of the latent heat exchanger.
  • Inclined support structure can be implemented with a simple configuration.
  • FIG. 1 is a cross-sectional view showing a condensing boiler according to the present invention
  • Figure 2 is a perspective view showing a latent heat exchanger according to the present invention
  • Figure 3 is an exploded perspective view showing a latent heat exchanger according to the present invention
  • Figure 4 is a cross-sectional view showing a latent heat exchanger according to the present invention
  • FIG. 5 is a perspective view showing a first case according to the present invention.
  • Figure 6 is a perspective view showing a second case according to the present invention.
  • FIG. 7 is a perspective view showing the second case shown in FIG. 6 from another angle;
  • burner 20 sensible heat exchanger
  • hot water connector 200 the first case
  • combustion gas inlet 210 combustion gas guide portion
  • heat exchanger rear support 231 heat exchanger support rib
  • first case upper body 300 second case
  • 320 second case inlet body 320a
  • 320b second case side wall
  • 330a, 330b heat exchanger inclined support 331a, 331b: heat exchanger support rib
  • exhaust body 351 combustion gas outlet
  • FIG. 1 is a cross-sectional view showing a condensing boiler according to the present invention
  • Figure 2 is a perspective view showing a latent heat exchanger according to the present invention
  • Figure 3 is an exploded perspective view showing a latent heat exchanger according to the present invention
  • Figure 4 is a latent heat exchanger according to the present invention It is a cross section showing.
  • the condensing boiler according to the present invention includes a burner 10, a sensible heat exchanger 20 that absorbs combustion heat generated by the burner 10, and steam included in the combustion gas that has undergone heat exchange in the sensible heat exchanger 20. It includes a latent heat exchanger 30 to absorb the latent heat of.
  • the latent heat exchanger (30) is a latent heat exchanger (100) for absorbing the latent heat by heat exchange with heating water flowing therein, and combustion gas that has undergone heat exchange in the sensible heat exchanger (20) is the latent heat.
  • the first case 200 made of a metal material to surround the inflow side to the heat exchanger 100 and the synthetic resin is formed to surround the side for discharging the combustion gas after heat exchange in the latent heat exchanger 100 It consists of a second case 300 coupled to one case 200.
  • the first case 200 and the second case 300 are coupled to each other by a fastening member (not shown) such as a bolt, the first case coupling surface (221a, 221b, 221c, of the first case 200), 221d; FIG. 5) and the case packing 610 is interposed between the second case coupling surfaces 321a, 321b, 321c, and 321d; FIG. 6 of the second case 300 to maintain airtightness.
  • a fastening member such as a bolt
  • the first case coupling surface (221a, 221b, 221c, of the first case 200
  • 221d FIG. 5
  • the case packing 610 is interposed between the second case coupling surfaces 321a, 321b, 321c, and 321d; FIG. 6 of the second case 300 to maintain airtightness.
  • the latent heat exchanger (100) includes a heat exchanger (110) for performing heat exchange between cold water flowing inside and the combustion gas, a cold water connection pipe (120) through which the cold water flows into the heat exchanger (110), It consists of a hot water connecting pipe 130 for discharging the hot water heated by the heat exchange in the heat exchange unit 110.
  • the combustion gas passing through the latent heat exchanger 100 flows downward, and thus, the latent heat exchanger 100 is inclined so as to flow in an inclined direction with respect to the vertical line, thereby smoothly flowing the combustion gas.
  • the heat exchange part 110 is joined to the edge of the pair of thin plates adjacent to each other to form a flow path for the cold water or hot water flows between the pair of thin plates, such a pair of thin plates are provided with a plurality of neighbors A combustion gas flow path through which the combustion gas flows is formed between a pair of neighboring thin plates to exchange heat between the combustion gas and the side surfaces of the thin plates.
  • One side of the cold water connection pipe 120 is coupled to the heat exchange part 110, and the other side of the cold water connection pipe 120 is inserted into a cold water connection pipe insertion hole 341b (FIG. 6) formed in the second case 300.
  • One side of the hot water connecting tube 130 is coupled to the heat exchange part 110, and the other side of the hot water connecting tube 130 is inserted into the hot water connecting tube insertion hole 341a (FIG. 6) formed in the second case 300.
  • Exhaust flue (not shown) is coupled to the exhaust body 350 in which the combustion gas discharge port 351 of the second case 300 is formed, and is disposed between the second case 300 and the exhaust flue.
  • the exhaust adapter 400 is provided.
  • the exhaust year may vary in diameter depending on the specification of the boiler and the region in which the boiler is used.
  • the diameter of the exhaust flue is changed by providing a replaceable exhaust adapter 400 between the second case 300 and the exhaust flue, the exhaust flue is changed. If only the adapter 400 is replaced, the second case 300 may be used as the same component.
  • An adapter packing 620 is interposed between the exhaust adapter 400 and the exhaust body 350 of the second case 300 to maintain airtightness.
  • a pair of side blocks (510 and 520) for blocking between both side surfaces of the latent heat exchanger (100) and the inner surfaces of the first case (200) and the second case (300) Is provided.
  • the combustion gas of the upward flow flows into the combustion gas inlet 201 of the first case 200 and thereafter, the first case flow space 202 inside the first case 200. It flows and is blocked by the first case upper body 250 is converted to the horizontal direction and flows into the combustion gas of the downward flow through the upper portion of the latent heat exchanger (100).
  • the combustion gas in the downward flow passes through the latent heat exchanger 100 in an inclined downward direction and then flows into the second case 300, and the combustion gas flows upward in the second case 300. It is converted and discharged to the exhaust flue through the combustion gas discharge port 351.
  • FIG. 5 is a perspective view showing a first case according to the present invention.
  • the first case 200 is formed to surround the rear portion of the latent heat exchanger 100, a combustion gas inlet 201 through which the combustion gas introduced through the sensible heat exchanger 20 flows in, and the combustion gas inlet Combustion gas guide portion 210 for guiding combustion gas to 201 and a first case rear wall extending upward from the combustion gas inlet 201 to form a rear wall portion of the first case 200.
  • a first case upper body 250 extending forward from an upper end of the first case rear wall 212, and a first extending forward from both side ends of the first case rear wall 212. It consists of one case side wall 220a, 220b.
  • the 'front' means the side where the second case 300 is located on the basis of the latent heat exchanger 100
  • the 'back' means the side where the first case 200 is located on the basis of the latent heat exchanger 100. Means the same meaning hereinafter.
  • the first case coupling surface is coupled to the second case 300 with the case packing 610 interposed between the first case side walls 220a and 220b and the front end of the first case upper body 250.
  • 221a, 221b, 221c, and 221d are formed in a square ring shape.
  • the first case coupling surface (221a, 221b, 221c, 221d) is made of a surface having a predetermined width has an advantageous structure to maintain the airtight when combined with the case packing 610.
  • a heat exchanger rear support 230 is formed in a rectangular ring shape to support the rear surface (100b) of the latent heat exchanger (100).
  • the heat exchanger rear support part 230 is formed in an inclined shape inclined rearward toward the upper side, thereby inclinedly supporting the rear surface 100b of the latent heat exchanger 100.
  • the heat exchanger support ribs 231 protruding to the surface and formed in a rectangular band on the inner edge portion of the heat exchanger rear support 230 are formed along the circumference of the heat exchanger rear support 230.
  • the bottom support part 213 extending rearwardly on an upper end of the first case coupling surface 221d positioned below the latent heat exchanger 100 in the first case coupling surfaces 221a, 221b, 221c, and 221d. Is formed, the bottom support 213 is to support the bottom surface of the bottom locking portion 313 of the second case 300 to be described later.
  • the first case 200 is made of aluminum, which is a metallic material, because the high temperature combustion gas is introduced therein, and if the first case 200 is manufactured by die casting, the first case 200 can be easily manufactured.
  • FIG. 6 is a perspective view showing a second case according to the present invention
  • Figure 7 is a perspective view showing the second case shown in Figure 6 from another angle.
  • the second case 300 is formed to surround the front portion of the latent heat exchanger 100, a combustion gas inlet 301 through which the combustion gas introduced through the latent heat exchanger 100 is introduced, and the second case.
  • a second case bottom portion 310 forming the bottom of the 300, the second case inlet body 320 formed to surround the combustion gas inlet 301, and the front side of the second case 300
  • An exhaust body having a second case front wall 312 forming a wall and a combustion gas outlet 351 formed on an upper portion of the second case front wall 312 to discharge combustion gas through exhaust flue ( 350).
  • the second case inlet body 320 has a second ring contacting the other side surface of the case packing 610 in a rectangular ring shape at a position corresponding to the first case coupling surfaces 221a, 221b, 221c, and 221d.
  • Case coupling surfaces 321a, 321b, 321c and 321d are formed, and the second case coupling surfaces 321a, 321b, 321c and 321d correspond to first case coupling holes 222a, 222b, 222c and 222d.
  • a plurality of second case coupling holes 322a, 322b, 322c, and 322d at positions are formed along the circumference of the second case coupling surfaces 321a, 321b, 321c, and 321d, and the first case 200 and The combination with the case packing 610 is made.
  • the second case coupling surfaces 321a and 321b formed at the left and right sides of the combustion gas inlet 301 have a triangular shape so that the second case side walls 320a and 320b are formed to be inclined.
  • the second case coupling surface 321d perpendicular to the second case coupling surface 321d located at the lower portion of the latent heat exchanger 100 in the second case coupling surface 321a, 321b, 321c, and 321d.
  • a bottom catching portion 313 is formed to protrude backward so as to be supported on an upper surface of the bottom support portion 213 of the first case 200.
  • Heat exchanger slope support parts 330a and 330b are formed on both left and right sides of the second case bottom part 310 to support the bottom surface of the front part of the latent heat exchanger 100 in an inclined manner.
  • the heat exchanger slope support parts 330a and 330b protrude to the upper surface of the second case bottom part 310 and are formed to be inclined such that the front side of the latent heat exchanger 100 is high and the rear side is low.
  • Heat exchanger support ribs 331a and 331b protruding upward at a predetermined length in the longitudinal direction of the front and rear are formed on each of the heat exchanger slope support parts 330a and 330b on the upper surfaces of the heat exchanger slope support parts 330a and 330b.
  • the bottom surface of the latent heat exchanger 100 is supported by the heat exchanger support ribs 331a and 331b.
  • Condensed water discharge hole 311 is formed in the second case bottom 310, the condensed water generated in the latent heat exchanger 100 is discharged through the condensed water discharge hole (311).
  • the hot water connection tube is inserted into the second case 300 so as to extend upward from the front end portions of the heat exchanger slope support parts 330a and 330b to face the front surface 100a of the latent heat exchanger 100.
  • Body 340a and the cold water connecting tube insertion body 340b are formed on both left and right sides, respectively.
  • the hot water connection tube insertion body 340a is formed with a hot water connection tube insertion hole 341a into which the hot water connection tube 130 of the latent heat exchanger 100 is inserted, and in the cold water connection tube insertion body 340b.
  • a cold water connection tube insertion hole 341b into which the cold water connection tube 120 of the latent heat exchanger 100 is inserted is formed.
  • the hot water connection tube insertion hole 341a is connected to the hot water discharge port 370 formed at the side of the second case 300, and the hot water connecting the hot water connection tube insertion hole 341a and the hot water discharge port 370 to connect.
  • the discharge passage 371 is integrally formed with the second case 300.
  • the cold water connection tube insertion hole 341b is connected to the cold water discharge hole 360 formed at the side of the second case 300 and connects the cold water connection tube insertion hole 341b to the cold water inlet 360.
  • the inflow passage 361 is integrally formed with the second case 300.
  • the side opposite to the side on which the cold water inlet 360 is formed has a structure blocked by a block cap 530, and the cold water flowing through the cold water inlet 360 is a cold water inflow passage ( After the direction of 90 degrees is turned toward the rear of the latent heat exchanger 100 through 361, the cold water flows through the cold water connection pipe insertion hole 341b to the cold water connection pipe 120.
  • the condensate outlet (not shown) is protruded on the side of the second case 300 in the adjacent position of the hot water outlet 370, the condensate discharged through the condensate discharge hole 311 is discharged through the condensate outlet do.
  • a combustion gas outlet 351 is formed at the front upper portion of the second case 300 to discharge combustion gas, and the combustion gas outlet 351 is surrounded by the exhaust body 350.
  • a temperature sensor attachment portion 391 is formed at a front outside of the exhaust portion body 350 to which a temperature sensor (not shown) capable of measuring the temperature of the exhaust gas is formed, and a side portion of the temperature sensor attachment portion 391 is provided.
  • the combustion gas measuring unit 392 is formed in the combustion gas measuring unit (392) that can insert a combustion measurement sensor (not shown) for confirming the components of the exhaust gas.
  • the combustion gas measuring unit 392 is formed through the exhaust body 350 and is sealed by a packing (not shown), and when the combustion gas measurement is required, the combustion gas measuring unit is removed, and then the combustion measuring sensor is inserted. The exhaust gas component can be measured.
  • a concave packing inserting portion 352 is formed around the upper end of the exhaust body 350 so that the adapter packing 620 is inserted, and the exhaust adapter 400 is disposed above the adapter packing 620. Is combined, and the airtightness of the combustion gas is maintained.
  • the exhaust adapter 400 is fastened by a fastening member (not shown) to the second case 300, the cylindrical adapter body 410 is coupled to the exhaust flue (not shown), and the adapter body 410
  • An adapter flange 420 is formed extending outward from the lower end of the adapter flange contacting the upper surface of the adapter packing 620, and the adapter coupling portion 430 formed on the outer side of the adapter flange 420.
  • a plurality of second case fastening parts 353 are formed along the periphery of the packing inserting part 352, and the adapter fastening part 430 and the second case fastening part are formed by fastening members (not shown). 353 is combined.
  • the exhaust adapter 400 is coupled to the structure detachable by the fastening member so as to be replaceable from the second case 300, so that even if the diameter of the exhaust flue is different, the diameter of the exhaust adapter 400 according to the exhaust flue If replaced, the second case 300 may use the same specifications interchangeably.
  • the second case 300 of the present invention having such a configuration can be manufactured by a simple manufacturing process by manufacturing by injection molding of a synthetic resin material.
  • first case 200 is integrally formed by injection molding with synthetic resin
  • second case 300 is integrally formed with an aluminum metal material by die casting, and then the first case 200 and the second case.
  • case packing 610 is interposed on the coupling surface of the first case 200 and the second case 300 to maintain the airtightness.
  • the heat exchanger rear support part 230 and the heat exchanger inclination support parts 330a and 330b are formed in the first case 200 and the second case 300 to install the latent heat exchanger 100 in an inclined state.
  • the latent heat exchanger 100 can be inclined by a simple structure.
  • the second case 300 has a hot water connection tube insertion hole 341a, a hot water discharge passage 371 and a hot water discharge port 370, a cold water connection tube insertion hole 341b, a cold water inlet passage 361, and a cold water inlet 360 ),
  • the condensate outlet is integrally formed, simplifying the pipe connection configuration in which cold water, hot water, and condensate flow.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A condensing boiler of the present invention comprises: a burner; a sensible heat exchanging unit for absorbing the heat of combustion generated in the burner; and a latent heat exchanging unit for absorbing the latent heat of water vapor contained in the combustion gas heat exchanged by the sensible heat exchanging unit. The latent heat exchanging unit consists of: a latent heat exchanger for heat exchanging with heating water flowing therein to absorb the latent heat; a first case, formed with a combustion gas inlet into which the combustion gas, of which heat has been exchanged by the sensible heat exchanging unit, is introduced, and which is made of a metallic material so as to surround a rear portion of the latent heat exchanger; and a second case, formed with a combustion gas outlet for discharging the combustion gas, of which heat has been exchanged by the latent heat exchanger, and which is made of a synthetic resin so as to surround a front portion of the latent heat exchanger, thereby being connected to the first case.

Description

콘덴싱 보일러Condensing boiler

본 발명은 콘덴싱 보일러에 관한 것으로, 보다 상세하게는 잠열 열교환기를 둘러싸는 케이스의 조립 구조가 간단한 콘덴싱 보일러에 관한 것이다.The present invention relates to a condensing boiler, and more particularly, to a condensing boiler having a simple assembly structure of a case surrounding a latent heat exchanger.

근래에 생산되는 보일러는 열효율을 증대시키기 위해 연소실에서 발생된 연소가스의 현열을 흡수하는 현열 열교환부와 현열 열교환부에서 열교환을 마친 연소가스에서 잔열 및 잠열을 흡수하는 잠열열교환부로 구성되는 열교환기를 구비하는데, 이러한 방식의 보일러를 콘덴싱 보일러라 한다.Recently produced boilers have a heat exchanger composed of a sensible heat exchanger that absorbs the sensible heat of the combustion gas generated in the combustion chamber and a latent heat exchanger that absorbs the residual heat and the latent heat from the combustion gas that has undergone heat exchange in the sensible heat exchanger to increase the thermal efficiency. This type of boiler is called a condensing boiler.

이러한 콘덴싱 보일러에 대한 종래기술로서 대한민국 공개특허 제10-2009-0067760호 "상향 연소식 콘덴싱 보일러의 열교환기"가 개시되어 있다.Korean Patent Laid-Open Publication No. 10-2009-0067760 discloses a heat exchanger for an upward combustion condensing boiler.

상기한 대한민국 공개특허 제10-2009-0067760호에서 잠열 열교환부의 외부를 둘러싸는 케이스는 고온에 견디기 위해 금속 재질로 성형된 복수의 케이스를 서로 용접하거나 체결부재로 결합시키는 방식으로 제조를 하였다.In the Republic of Korea Patent Application Publication No. 10-2009-0067760, the case surrounding the outside of the latent heat exchanger was manufactured by welding a plurality of cases formed of a metal material to each other or joining with a fastening member.

그러나 이러한 종래기술의 잠열 열교환부는 케이스가 전부 금속 재질로 이루어져 있어 무게가 무겁고 제조비용이 높으며, 금속으로 이루어진 케이스를 상호 용접하고 체결부재로 결합하는 것으로 이루어져 있어 결합 구조가 복잡하고 전체 장치의 제조 공정이 복잡한 문제점이 있었다.However, the latent heat exchanger of the prior art is made of a metal material, the weight is heavy and high manufacturing cost, and the case consisting of a metal welded to each other and combined with a fastening member, the coupling structure is complicated and the manufacturing process of the whole device There was this complicated issue.

또한 잠열 열교환부의 케이스는 다수의 부품이 결합되는 구조로 되어 있어 기밀 유지가 어려운 문제점이 있었다.In addition, the case of the latent heat exchange part has a structure in which a plurality of components are coupled, which makes it difficult to maintain airtightness.

본 발명은 상술한 제반 문제점을 해결하기 위해 안출된 것으로, 잠열 열교환기를 둘러싸는 케이스의 부품 개수를 간단히 하고, 조립 구조를 간단히 함으로써 제조 비용을 절감할 수 있는 콘덴싱 보일러를 제공하고자 함에 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a condensing boiler which can reduce manufacturing costs by simplifying the number of parts of a case surrounding the latent heat exchanger and simplifying the assembly structure. .

상술한 문제점을 해결하기 위한 본 발명의 콘덴싱 보일러는, 버너(10)와, 상기 버너(10)에서 발생한 연소열을 흡수하는 현열 열교환부(20)와, 상기 현열 열교환부(20)에서 열교환을 마친 연소가스에 포함된 수증기의 잠열을 흡수하는 잠열 열교환부(30)를 포함하는 콘덴싱 보일러에 있어서, 상기 잠열 열교환부(30)는, 내부를 유동하는 난방수와의 열교환이 이루어져 상기 잠열을 흡수하기 위한 잠열 열교환기(100); 상기 현열 열교환부(20)에서 열교환을 마친 연소가스가 유입되는 연소가스유입구(201)가 형성되고, 상기 잠열 열교환기(100)의 후방부를 둘러싸도록 금속 재질로 이루어진 제1케이스(200); 상기 잠열 열교환기(100)에서 열교환을 마친 연소가스를 배출시키는 연소가스배출구(351)가 형성되고, 상기 잠열 열교환기(100)의 전방부를 둘러싸도록 합성수지로 성형되어 상기 제1케이스(200)에 결합되는 제2케이스(300)로 이루어진다.Condensing boiler of the present invention for solving the above problems, the heat exchanger in the burner 10, the sensible heat exchanger 20 to absorb the combustion heat generated by the burner 10, and the sensible heat exchanger 20 In the condensing boiler including a latent heat exchanger 30 for absorbing the latent heat of water vapor contained in the combustion gas, the latent heat exchanger 30 is heat exchanged with the heating water flowing therein to absorb the latent heat. Latent heat exchanger (100); A first case 200 formed of a metal material to form a combustion gas inlet 201 through which the combustion gas which has completed heat exchange in the sensible heat exchanger 20 is introduced, and surrounds a rear portion of the latent heat exchanger 100; Combustion gas outlet 351 for discharging the combustion gas after the heat exchange in the latent heat exchanger 100 is formed, molded into a synthetic resin so as to surround the front portion of the latent heat exchanger 100 in the first case 200 It consists of a second case 300 to be coupled.

상기 제1케이스(200)는 상기 연소가스유입구(201)로 유입된 상향 흐름의 연소가스를 하향 흐름의 연소가스로 전환시키기 위해 상부가 막힌 형상으로 이루어지고; 상기 제2케이스(300)는 상기 잠열 열교환기(100)에서 열교환을 마친 하향 흐름의 연소가스를 상향 흐름의 연소가스로 전환시키기 위해 상기 연소가스배출구(351)가 상부에 형성된 것으로 이루어지며; 상기 잠열 열교환기(100)는 상기 연소가스가 수직선에 대하여 경사진 하향 흐름이 되도록 복수의 박판이 접합된 것으로 이루어진 것일 수 있다.The first case 200 is formed in the shape of the top is blocked in order to convert the combustion gas of the upstream flow flowing into the combustion gas inlet (201) into the combustion gas of the downstream flow; The second case 300 is composed of the combustion gas outlet 351 is formed in the upper portion in order to convert the combustion gas of the downstream flow after the heat exchange in the latent heat exchanger (100) to the combustion gas of the upward flow; The latent heat exchanger 100 may be formed by bonding a plurality of thin plates such that the combustion gas is inclined downward with respect to the vertical line.

상기 제1케이스(200)의 제1케이스결합면(221a,221b,221c,221d)과 제2케이스(300)의 제2케이스결합면(321a,321b,321c,321d) 사이에는 케이스패킹(610)이 개재되고, 상기 제1케이스결합면(221a,221b,221c,221d)과 제2케이스결합면(321a,321b,321c,321d)에는 체결부재가 체결되는 제1케이스,제2케이스결합구멍(222a,222b,222c,222d,322a,322b,322c,322d)이 각각 형성되어, 상기 체결부재에 의해 상기 제1케이스결합면(221a,221b,221c,221d)과 케이스패킹(610) 및 제2케이스결합면(321a,321b,321c,321d)이 밀착되도록 결합되는 것일 수 있다.Case packing 610 between the first case coupling surface (221a, 221b, 221c, 221d) of the first case 200 and the second case coupling surface 321a, 321b, 321c, 321d of the second case 300. ) Is interposed, and the first case and the second case coupling hole is fastened to the first case coupling surface (221a, 221b, 221c, 221d) and the second case coupling surface (321a, 321b, 321c, 321d). (222a, 222b, 222c, 222d, 322a, 322b, 322c, 322d) are respectively formed, and the first case coupling surface 221a, 221b, 221c, 221d and the case packing 610 and the first by the fastening member. Two case coupling surfaces (321a, 321b, 321c, 321d) may be coupled to be in close contact.

상기 제2케이스(300)의 연소가스배출구(351)를 둘러싸는 배기부몸체(350)에는 배기연도의 직경에 따라 교체 가능한 배기어댑터(400)가 결합된 것일 수 있다.The exhaust body 350 surrounding the combustion gas outlet 351 of the second case 300 may be coupled to the exhaust adapter 400 that can be replaced according to the diameter of the exhaust flue.

상기 배기어댑터(400)와 배기부몸체(350) 사이에는 어댑터패킹(620)이 개재된 것일 수 있다.An adapter packing 620 may be interposed between the exhaust adapter 400 and the exhaust body 350.

상기 제2케이스(300)에는 상기 잠열 열교환기(100)로 냉수를 유입시키기 위한 냉수유입유로(361)와 상기 잠열 열교환기(100)에서 열교환을 마친 온수를 배출시키기 위한 온수배출유로(371)가 일체로 형성된 것일 수 있다.The second case 300 has a cold water inflow passage 361 for introducing cold water into the latent heat exchanger 100 and a hot water discharge passage 371 for discharging hot water that has been heat-exchanged by the latent heat exchanger 100. May be integrally formed.

상기 잠열 열교환기(100)는, 내부를 유동하는 냉수와 상기 연소가스와의 열교환이 이루어지는 열교환부(110)와, 상기 냉수유입유로(361)를 통해 유입된 냉수를 상기 열교환부(110)로 유입시키기 위한 냉수연결관(120)와, 상기 열교환부(110)에서의 열교환에 의해 가열된 온수를 상기 온수배출유로(371)로 배출시키기 위한 온수연결관(130)로 이루어지고; 상기 제2케이스(300)의 양측부에서 상기 잠열 열교환기(100)의 전면(100a)과 대면하는 위치에 형성된 온수연결관삽입몸체(340a)와 냉수연결관삽입몸체(340b)에는 상기 온수연결관(130)이 삽입되도록 온수연결관삽입구멍(341a)과 상기 냉수연결관(120)이 삽입되도록 냉수연결관삽입구멍(341b)이 각각 형성된 것일 수 있다.The latent heat exchanger 100 includes a heat exchanger 110 through which heat exchange between cold water flowing through the combustion gas and the combustion gas is performed, and cold water introduced through the cold water inflow passage 361 to the heat exchanger 110. A cold water connection pipe 120 for introducing and a hot water connection pipe 130 for discharging hot water heated by heat exchange in the heat exchange unit 110 to the hot water discharge passage 371; The hot water connection pipe insertion body 340a and the cold water connection pipe insertion body 340b formed at positions facing the front surface 100a of the latent heat exchanger 100 at both sides of the second case 300 are connected to the hot water. The hot water connection pipe insertion hole 341a and the cold water connection pipe insertion hole 341b may be formed to respectively insert the pipe 130 so that the cold water connection pipe 120 is inserted.

상기 제1케이스(200)의 내부에는 상기 잠열 열교환기(100)의 후면(100b)의 가장자리 둘레를 지지하는 열교환기후면지지부(230)가 형성되고, 상기 제2케이스(300)의 내부에는 상기 잠열 열교환기(100)의 전방부 저면을 경사지게 지지하도록 상기 제1케이스(200) 방향으로 경사진 열교환기경사지지부(330a,330b)가 형성되어 있어, 상기 잠열 열교환기(100)는 상기 제2케이스(300)에서 제1케이스(200) 방향으로 경사지게 설치된 것일 수 있다.Inside the first case 200, a heat exchanger rear support part 230 is formed to support a periphery of an edge of the rear surface 100b of the latent heat exchanger 100, and inside the second case 300. The heat exchanger inclination support parts 330a and 330b which are inclined toward the first case 200 are formed to support the bottom surface of the front part of the latent heat exchanger 100 in an inclined manner, so that the latent heat exchanger 100 is the second heat exchanger 100. The case 300 may be installed to be inclined toward the first case 200.

상기 제2케이스결합면(321a,321b,321c,321d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제2케이스결합면(321d)의 상단에는 상기 제2케이스결합면(321d)과 수직되도록 후방으로 돌출된 바닥걸림부(313)가 형성되고; 상기 제1케이스결합면(221a,221b,221c,221d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제1케이스결합면(221d)의 상단으로부터 후방으로 연장되어 상기 바닥걸림부(313)의 저면을 지지하는 바닥지지부(213)가 형성된 것일 수 있다.The second case coupling surface 321d perpendicular to the second case coupling surface 321d located at the lower portion of the latent heat exchanger 100 in the second case coupling surface 321a, 321b, 321c, and 321d. A bottom catching portion 313 protruding rearwardly to be formed; In the first case coupling surface (221a, 221b, 221c, 221d) extending rearward from the upper end of the first case coupling surface (221d) located at the lower portion of the latent heat exchanger 100, the bottom catching portion 313 The bottom support portion 213 may be formed to support the bottom of the.

본 발명의 콘덴싱 보일러에 의하면, 잠열 열교환기를 둘러싸는 케이스를 연소가스가 유입되는 측을 둘러싸는 제1케이스를 금속 재질로 하고, 연소가스가 배출되는 측을 둘러싸는 제2케이스를 합성수지로 성형함으로써 잠열 열교환부를 구성하는 부품 개수를 최소화할 수 있다.According to the condensing boiler of the present invention, the case surrounding the latent heat exchanger is made of metal by the first case surrounding the side into which the combustion gas is introduced, and the second case surrounding the side through which the combustion gas is discharged is formed of synthetic resin. It is possible to minimize the number of components constituting the latent heat exchanger.

또한 제1케이스와 제2케이스는 체결 부재에 의해 체결함으로써 조립 공정이 간단해진다.In addition, the assembly process is simplified by fastening the first case and the second case by the fastening member.

또한 제1케이스와 제2케이스의 결합면에 패킹을 개재시킴으로써 기밀 유지 성능이 향상된다.In addition, the airtight holding performance is improved by interposing a packing on the mating surface of the first case and the second case.

또한 제2케이스에는 냉수와 온수가 유동하는 유로를 일체로 형성함으로써 부품의 개수를 최소화할 수 있다.In addition, the number of parts may be minimized by integrally forming a flow path through which cold water and hot water flow in the second case.

또한 제2케이스의 연소가스배출구에는 배기연도의 직경에 따라 교체 가능한 배기어댑터를 구비함으로써 배기연도의 직경이 변경될 경우에도 배기어댑터만 교체하면 잠열 열교환부를 동일한 것을 이용할 수 있으므로 부품 호환성이 증대된다.In addition, since the exhaust gas of the second case has a replaceable exhaust adapter according to the diameter of the exhaust flue, even when the diameter of the flue flue is changed, the same latent heat exchanger may be used by replacing only the exhaust adapter, thereby increasing component compatibility.

또한 잠열 열교환기를 통과하는 연소가스는 하향 흐름이되, 수직선에 대하여 경사진 방향으로 흐르도록 함으로써 연소가스의 흐름을 원활하게 할 수 있다.In addition, the combustion gas passing through the latent heat exchanger is a downward flow, it is possible to smooth the flow of the combustion gas by flowing in a direction inclined with respect to the vertical line.

또한 잠열 열교환기를 제1케이스와 제2케이스 내부에서 경사지게 지지하되, 제1케이스의 내부에는 잠열 열교환기의 후면을 지지하고, 제2케이스에서는 잠열 열교환기의 저면을 경사지게 지지하도록 함으로써 잠열 열교환기의 경사 지지 구조를 간단한 구성으로 구현이 가능하다.In addition, the latent heat exchanger is inclinedly supported in the first case and the second case, but the rear side of the latent heat exchanger is supported in the first case, and the second case is inclinedly supported by the bottom of the latent heat exchanger. Inclined support structure can be implemented with a simple configuration.

도 1은 본 발명에 의한 콘덴싱 보일러를 보여주는 단면도1 is a cross-sectional view showing a condensing boiler according to the present invention

도 2는 본 발명에 의한 잠열 열교환부를 보여주는 사시도Figure 2 is a perspective view showing a latent heat exchanger according to the present invention

도 3은 본 발명에 의한 잠열 열교환부를 보여주는 분해 사시도Figure 3 is an exploded perspective view showing a latent heat exchanger according to the present invention

도 4는 본 발명에 의한 잠열 열교환부를 보여주는 단면도Figure 4 is a cross-sectional view showing a latent heat exchanger according to the present invention

도 5는 본 발명에 의한 제1케이스를 보여주는 사시도5 is a perspective view showing a first case according to the present invention;

도 6은 본 발명에 의한 제2케이스를 보여주는 사시도Figure 6 is a perspective view showing a second case according to the present invention

도 7은 도 6에 도시된 제2케이스를 다른 각도에서 보여주는 사시도7 is a perspective view showing the second case shown in FIG. 6 from another angle;

** 부호의 설명 **** Explanation of Codes **

10 : 버너 20 : 현열 열교환부10: burner 20: sensible heat exchanger

30 : 잠열 열교환부 100 : 잠열 열교환기30: latent heat exchanger 100: latent heat exchanger

110 : 열교환부 120 : 냉수연결관110: heat exchanger 120: cold water connector

130 : 온수연결관 200 : 제1케이스130: hot water connector 200: the first case

201 : 연소가스유입구 210 : 연소가스가이드부201: combustion gas inlet 210: combustion gas guide portion

212 : 제1케이스후방벽 213 : 바닥지지부212: rear of the first case 213: floor support

220a,220b : 제1케이스측벽220a, 220b: First case side wall

221a,221b,221c,221d : 제1케이스결합면221a, 221b, 221c, 221d: first case coupling surface

222a,222b,222c,222d : 제1케이스결합구멍222a, 222b, 222c, 222d: first case coupling holes

230 : 열교환기후면지지부 231 : 열교환기지지리브230: heat exchanger rear support 231: heat exchanger support rib

250 : 제1케이스상부몸체 300 : 제2케이스250: first case upper body 300: second case

310 : 제2케이스바닥부 311 : 응축수배출공310: second case bottom 311: condensate discharge hole

312 : 제2케이스전방벽 313 : 바닥걸림부312: front wall of the second case 313: floor locking

320 : 제2케이스입구부몸체 320a,320b : 제2케이스측벽320: second case inlet body 320a, 320b: second case side wall

321a,321b,321c,321d : 제2케이스결합면321a, 321b, 321c, 321d: second case coupling surface

322a,322b,322c,322d : 제2케이스결합구멍322a, 322b, 322c, 322d: second case coupling hole

330a,330b : 열교환기경사지지부 331a,331b : 열교환기지지리브330a, 330b: heat exchanger inclined support 331a, 331b: heat exchanger support rib

340a : 온수연결관삽입몸체 340b : 냉수연결관삽입몸체340a: Hot water connector insert body 340b: Cold water connector insert body

341a : 온수연결관삽입구멍 341b : 냉수연결관삽입구멍341a: Hot water connector insertion hole 341b: Cold water connector insertion hole

350 : 배기부몸체 351 : 연소가스배출구350: exhaust body 351: combustion gas outlet

352 : 패킹삽입부 353 : 제2케이스체결부352: packing inserting part 353: second case fastening part

360 : 냉수유입구 361 : 냉수유입유로360: cold water inlet 361: cold water inlet

370 : 온수배출구 371 : 온수배출유로370: hot water outlet 371: hot water discharge passage

380 : 응축수배출구 391 : 온도센서부착부380: condensate outlet 391: temperature sensor attachment portion

392 : 감시창부 400 : 배기어댑터392: monitoring window 400: exhaust adapter

610 : 케이스패킹 620 : 어댑터패킹610: case packing 620: adapter packing

이하 첨부한 도면을 참조하여 본 발명의 바람직한 실시예에 대한 구성 및 작용을 상세히 설명하면 다음과 같다.Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 의한 콘덴싱 보일러를 보여주는 단면도, 도 2는 본 발명에 의한 잠열 열교환부를 보여주는 사시도, 도 3은 본 발명에 의한 잠열 열교환부를 보여주는 분해 사시도, 도 4는 본 발명에 의한 잠열 열교환부를 보여주는 단면도이다.1 is a cross-sectional view showing a condensing boiler according to the present invention, Figure 2 is a perspective view showing a latent heat exchanger according to the present invention, Figure 3 is an exploded perspective view showing a latent heat exchanger according to the present invention, Figure 4 is a latent heat exchanger according to the present invention It is a cross section showing.

본 발명에 의한 콘덴싱 보일러는, 버너(10)와, 상기 버너(10)에서 발생한 연소열을 흡수하는 현열 열교환부(20)와, 상기 현열 열교환부(20)에서 열교환을 마친 연소가스에 포함된 수증기의 잠열을 흡수하는 잠열 열교환부(30)를 포함한다.The condensing boiler according to the present invention includes a burner 10, a sensible heat exchanger 20 that absorbs combustion heat generated by the burner 10, and steam included in the combustion gas that has undergone heat exchange in the sensible heat exchanger 20. It includes a latent heat exchanger 30 to absorb the latent heat of.

상기 잠열 열교환부(30)는, 내부를 유동하는 난방수와의 열교환이 이루어져 상기 잠열을 흡수하기 위한 잠열 열교환기(100)와, 상기 현열 열교환부(20)에서 열교환을 마친 연소가스가 상기 잠열 열교환기(100)로 유입되는 측을 둘러싸도록 금속 재질로 이루어진 제1케이스(200)와, 상기 잠열 열교환기(100)에서 열교환을 마친 연소가스를 배출시키는 측을 둘러싸도록 합성수지로 성형되어 상기 제1케이스(200)에 결합되는 제2케이스(300)로 이루어진다.The latent heat exchanger (30) is a latent heat exchanger (100) for absorbing the latent heat by heat exchange with heating water flowing therein, and combustion gas that has undergone heat exchange in the sensible heat exchanger (20) is the latent heat. The first case 200 made of a metal material to surround the inflow side to the heat exchanger 100 and the synthetic resin is formed to surround the side for discharging the combustion gas after heat exchange in the latent heat exchanger 100 It consists of a second case 300 coupled to one case 200.

상기 제1케이스(200)와 제2케이스(300)는 볼트와 같은 체결부재(미도시)에 의해 상호 결합되는데, 상기 제1케이스(200)의 제1케이스결합면(221a,221b,221c,221d; 도 5)과 제2케이스(300)의 제2케이스결합면(321a,321b,321c,321d; 도 6) 사이에는 케이스패킹(610)이 개재되어 기밀이 유지된다.The first case 200 and the second case 300 are coupled to each other by a fastening member (not shown) such as a bolt, the first case coupling surface (221a, 221b, 221c, of the first case 200), 221d; FIG. 5) and the case packing 610 is interposed between the second case coupling surfaces 321a, 321b, 321c, and 321d; FIG. 6 of the second case 300 to maintain airtightness.

상기 잠열 열교환기(100)는, 내부를 유동하는 냉수와 상기 연소가스와의 열교환이 이루어지는 열교환부(110)와, 상기 열교환부(110)로 상기 냉수가 유입되는 냉수연결관(120)와, 상기 열교환부(110)에서의 열교환에 의해 가열된 온수가 배출되는 온수연결관(130)으로 이루어진다.The latent heat exchanger (100) includes a heat exchanger (110) for performing heat exchange between cold water flowing inside and the combustion gas, a cold water connection pipe (120) through which the cold water flows into the heat exchanger (110), It consists of a hot water connecting pipe 130 for discharging the hot water heated by the heat exchange in the heat exchange unit 110.

상기 잠열 열교환기(100)를 통과하는 연소가스는 하향 흐름이되, 수직선에 대하여 경사진 방향으로 흐르도록 상기 잠열 열교환기(100)를 경사지게 설치함으로써 연소가스의 흐름을 원활하게 할 수 있다.The combustion gas passing through the latent heat exchanger 100 flows downward, and thus, the latent heat exchanger 100 is inclined so as to flow in an inclined direction with respect to the vertical line, thereby smoothly flowing the combustion gas.

상기 열교환부(110)는 이웃하는 한 쌍의 박판의 가장자리가 서로 접합되어 그 한 쌍의 박판 사이로 상기 냉수 또는 온수가 유동하는 유로가 형성되도록 하고, 이와 같은 한 쌍의 박판이 복수개 이웃하게 구비되어 이웃하는 한 쌍의 박판 사이로 상기 연소가스가 유동하는 연소가스 유로가 형성되어 상기 연소가스와 상기 박판의 측면 사이에서 열교환이 이루어진다.The heat exchange part 110 is joined to the edge of the pair of thin plates adjacent to each other to form a flow path for the cold water or hot water flows between the pair of thin plates, such a pair of thin plates are provided with a plurality of neighbors A combustion gas flow path through which the combustion gas flows is formed between a pair of neighboring thin plates to exchange heat between the combustion gas and the side surfaces of the thin plates.

상기 냉수연결관(120)은 일측이 상기 열교환부(110)에 결합되어 있고, 타측은 상기 제2케이스(300)에 형성된 냉수연결관삽입구멍(341b; 도 6)에 삽입된다.One side of the cold water connection pipe 120 is coupled to the heat exchange part 110, and the other side of the cold water connection pipe 120 is inserted into a cold water connection pipe insertion hole 341b (FIG. 6) formed in the second case 300.

상기 온수연결관(130)은 일측이 상기 열교환부(110)에 결합되어 있고, 타측은 상기 제2케이스(300)에 형성된 온수연결관삽입구멍(341a; 도 6)에 삽입된다.One side of the hot water connecting tube 130 is coupled to the heat exchange part 110, and the other side of the hot water connecting tube 130 is inserted into the hot water connecting tube insertion hole 341a (FIG. 6) formed in the second case 300.

상기 제2케이스(300)의 연소가스배출구(351)가 형성된 배기부몸체(350)에는 연소가스의 배출을 위한 배기연도(미도시)가 결합되고, 상기 제2케이스(300)와 배기연도 사이에는 배기어댑터(400)가 구비된다.Exhaust flue (not shown) is coupled to the exhaust body 350 in which the combustion gas discharge port 351 of the second case 300 is formed, and is disposed between the second case 300 and the exhaust flue. The exhaust adapter 400 is provided.

상기 배기연도는 보일러의 사양, 보일러를 사용하는 지역에 따라 직경이 달라질 수 있는데, 제2케이스(300)와 배기연도 사이에 교체 가능한 배기어댑터(400)가 구비됨으로써 배기연도의 직경이 달라지는 경우 배기어댑터(400)만 교체하면 제2케이스(300)를 동일한 부품으로 사용 가능하다.The exhaust year may vary in diameter depending on the specification of the boiler and the region in which the boiler is used. When the diameter of the exhaust flue is changed by providing a replaceable exhaust adapter 400 between the second case 300 and the exhaust flue, the exhaust flue is changed. If only the adapter 400 is replaced, the second case 300 may be used as the same component.

상기 배기어댑터(400)와 제2케이스(300)의 배기부몸체(350) 사이에는 어댑터패킹(620)이 개재되어 기밀이 유지된다.An adapter packing 620 is interposed between the exhaust adapter 400 and the exhaust body 350 of the second case 300 to maintain airtightness.

상기 잠열 열교환기(100)의 양측에는 상기 잠열 열교환기(100)의 양측면과 제1케이스(200) 및 제2케이스(300)의 내측면과의 사이를 차단하는 한 쌍의 사이드블럭(510,520)이 구비된다.On both sides of the latent heat exchanger (100), a pair of side blocks (510 and 520) for blocking between both side surfaces of the latent heat exchanger (100) and the inner surfaces of the first case (200) and the second case (300) Is provided.

상기 현열 열교환기(20)에서 열교환을 마친 상향 흐름의 연소가스는 제1케이스(200)의 연소가스유입구(201)로 유입된 후 제1케이스(200) 내부의 제1케이스유동공간(202)을 유동하고, 제1케이스상부몸체(250)에 의해 막혀 수평방향으로 전환되어 잠열 열교환기(100)의 상부를 통해 하향 흐름의 연소가스가 되어 유동하게 된다.After the heat exchange in the sensible heat exchanger 20, the combustion gas of the upward flow flows into the combustion gas inlet 201 of the first case 200 and thereafter, the first case flow space 202 inside the first case 200. It flows and is blocked by the first case upper body 250 is converted to the horizontal direction and flows into the combustion gas of the downward flow through the upper portion of the latent heat exchanger (100).

상기 하향 흐름의 연소가스는 상기 잠열 열교환기(100)를 하향 경사지게 통과하면서 열교환이 이루어진 후 상기 제2케이스(300) 내부로 유입되고, 상기 연소가스는 제2케이스(300) 내부에서 상향 흐름으로 전환되어 연소가스배출구(351)를 통해 배기연도로 배출된다.The combustion gas in the downward flow passes through the latent heat exchanger 100 in an inclined downward direction and then flows into the second case 300, and the combustion gas flows upward in the second case 300. It is converted and discharged to the exhaust flue through the combustion gas discharge port 351.

도 5는 본 발명에 의한 제1케이스를 보여주는 사시도이다.5 is a perspective view showing a first case according to the present invention.

상기 제1케이스(200)는, 상기 잠열 열교환기(100)의 후방부를 둘러싸도록 형성되되, 현열 열교환부(20)를 거쳐 온 연소가스가 유입되는 연소가스유입구(201)와, 상기 연소가스유입구(201)로 연소가스를 가이드하기 위한 연소가스가이드부(210)와, 상기 연소가스유입구(201)로부터 상방향으로 연장되어 상기 제1케이스(200)의 후방 벽부를 형성하는 제1케이스후방벽(212)과, 상기 제1케이스후방벽(212)의 상단에서 전방으로 연장된 제1케이스상부몸체(250)와, 상기 제1케이스후방벽(212)의 양측단에서 전방으로 각각 연장된 제1케이스측벽(220a,220b)로 이루어진다.The first case 200 is formed to surround the rear portion of the latent heat exchanger 100, a combustion gas inlet 201 through which the combustion gas introduced through the sensible heat exchanger 20 flows in, and the combustion gas inlet Combustion gas guide portion 210 for guiding combustion gas to 201 and a first case rear wall extending upward from the combustion gas inlet 201 to form a rear wall portion of the first case 200. 212, a first case upper body 250 extending forward from an upper end of the first case rear wall 212, and a first extending forward from both side ends of the first case rear wall 212. It consists of one case side wall 220a, 220b.

여기서 '전방'이란 잠열 열교환기(100)를 기준으로 제2케이스(300)가 위치한 측을 의미하고, '후방'이란 잠열 열교환기(100)를 기준으로 제1케이스(200)가 위치한 측을 의미하며, 이하 동일한 의미로 사용한다.Here, the 'front' means the side where the second case 300 is located on the basis of the latent heat exchanger 100, and the 'back' means the side where the first case 200 is located on the basis of the latent heat exchanger 100. Means the same meaning hereinafter.

상기 제1케이스측벽(220a,220b)과 제1케이스상부몸체(250)의 전방 단부에는 상기 케이스패킹(610)을 사이에 두고 상기 제2케이스(300)와 결합이 이루어지는 제1케이스결합면(221a,221b,221c,221d)이 사각링 형상으로 형성되어 있다.The first case coupling surface is coupled to the second case 300 with the case packing 610 interposed between the first case side walls 220a and 220b and the front end of the first case upper body 250. 221a, 221b, 221c, and 221d are formed in a square ring shape.

상기 제1케이스결합면(221a,221b,221c,221d)에는 상기 케이스패킹(610) 및 제2케이스(300)와 결합을 위한 체결부재가 결합되는 제1케이스결합구멍(222a,222b,222c,222d)이 형성되어 있다.First case coupling holes 222a, 222b, and 222c to which the first case coupling surfaces 221a, 221b, 221c, and 221d are coupled to the case packing 610 and the second case 300, respectively. 222d) is formed.

상기 제1케이스결합면(221a,221b,221c,221d)은 소정의 폭을 가진 면으로 이루어져 있어 상기 케이스패킹(610)과 결합시 기밀을 유지하기 유리한 구조로 되어 있다.The first case coupling surface (221a, 221b, 221c, 221d) is made of a surface having a predetermined width has an advantageous structure to maintain the airtight when combined with the case packing 610.

상기 제1케이스측벽(220a,220b)의 내측에는 열교환기후면지지부(230)가 사각링 형상으로 형성되어 상기 잠열 열교환기(100)의 후면(100b)을 지지하게 된다. Inside the first case side wall (220a, 220b) is a heat exchanger rear support 230 is formed in a rectangular ring shape to support the rear surface (100b) of the latent heat exchanger (100).

상기 열교환기후면지지부(230)는 상측으로 갈수록 후방으로 기울어진 경사진 형상으로 형성되어 있어, 상기 잠열 열교환기(100)의 후면(100b)을 경사지게 지지하게 된다.The heat exchanger rear support part 230 is formed in an inclined shape inclined rearward toward the upper side, thereby inclinedly supporting the rear surface 100b of the latent heat exchanger 100.

상기 열교환기후면지지부(230)의 내측 가장자리부에는 표면으로 돌출되어 사각 띠 형상으로 형성된 열교환기지지리브(231)가 상기 열교환기후면지지부(230)의 둘레를 따라 형성되어 있다.The heat exchanger support ribs 231 protruding to the surface and formed in a rectangular band on the inner edge portion of the heat exchanger rear support 230 are formed along the circumference of the heat exchanger rear support 230.

상기 제1케이스결합면(221a,221b,221c,221d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제1케이스결합면(221d)의 상단에는 후방으로 연장된 형상의 바닥지지부(213)가 형성되고, 상기 바닥지지부(213)는 후술하는 제2케이스(300)의 바닥걸림부(313)의 저면을 지지하게 된다.The bottom support part 213 extending rearwardly on an upper end of the first case coupling surface 221d positioned below the latent heat exchanger 100 in the first case coupling surfaces 221a, 221b, 221c, and 221d. Is formed, the bottom support 213 is to support the bottom surface of the bottom locking portion 313 of the second case 300 to be described later.

상기 제1케이스(200)는 고온의 연소가스가 유입되는 부분이므로 금속재질인 알루미늄으로 이루어지되, 다이캐스팅으로 제조하게 되면 복잡한 형상의 제1케이스(200)를 손쉽게 제조할 수 있다.The first case 200 is made of aluminum, which is a metallic material, because the high temperature combustion gas is introduced therein, and if the first case 200 is manufactured by die casting, the first case 200 can be easily manufactured.

도 6은 본 발명에 의한 제2케이스를 보여주는 사시도, 도 7은 도 6에 도시된 제2케이스를 다른 각도에서 보여주는 사시도이다.6 is a perspective view showing a second case according to the present invention, Figure 7 is a perspective view showing the second case shown in Figure 6 from another angle.

상기 제2케이스(300)는, 상기 잠열 열교환기(100)의 전방부를 둘러싸도록 형성되되, 잠열 열교환기(100)를 거쳐 온 연소가스가 유입되는 연소가스유입구(301)와, 상기 제2케이스(300)의 바닥을 형성하는 제2케이스바닥부(310)와, 상기 연소가스유입구(301)를 둘러싸도록 형성된 제2케이스입구부몸체(320)와, 상기 제2케이스(300)의 전방측 벽을 형성하는 제2케이스전방벽(312)과, 상기 제2케이스전방벽(312)의 상부에 형성되어 배기연도를 통해 연소가스를 배출시키기 위한 연소가스배출구(351)가 형성된 배기부몸체(350)로 이루어진다.The second case 300 is formed to surround the front portion of the latent heat exchanger 100, a combustion gas inlet 301 through which the combustion gas introduced through the latent heat exchanger 100 is introduced, and the second case. A second case bottom portion 310 forming the bottom of the 300, the second case inlet body 320 formed to surround the combustion gas inlet 301, and the front side of the second case 300 An exhaust body having a second case front wall 312 forming a wall and a combustion gas outlet 351 formed on an upper portion of the second case front wall 312 to discharge combustion gas through exhaust flue ( 350).

상기 제2케이스입구부몸체(320)에는, 상기 제1케이스결합면(221a,221b,221c,221d)에 대응하는 위치에 사각링 형상으로서 상기 케이스패킹(610)의 타측면과 접촉하는 제2케이스결합면(321a,321b,321c,321d)이 형성되어 있고, 상기 제2케이스결합면(321a,321b,321c,321d)에는 제1케이스결합구멍(222a,222b,222c,222d)에 대응되는 위치에 제2케이스결합구멍(322a,322b,322c,322d)이 제2케이스결합면(321a,321b,321c,321d)의 둘레를 따라 복수 개 형성되어 체결부재에 의해 제1케이스(200) 및 케이스패킹(610)과의 결합이 이루어진다.The second case inlet body 320 has a second ring contacting the other side surface of the case packing 610 in a rectangular ring shape at a position corresponding to the first case coupling surfaces 221a, 221b, 221c, and 221d. Case coupling surfaces 321a, 321b, 321c and 321d are formed, and the second case coupling surfaces 321a, 321b, 321c and 321d correspond to first case coupling holes 222a, 222b, 222c and 222d. A plurality of second case coupling holes 322a, 322b, 322c, and 322d at positions are formed along the circumference of the second case coupling surfaces 321a, 321b, 321c, and 321d, and the first case 200 and The combination with the case packing 610 is made.

상기 연소가스유입구(301)의 좌우 측부에 형성된 제2케이스결합면(321a,321b)은 경사지게 형성되도록 제2케이스측벽(320a,320b)이 삼각형 형상으로 이루어진다.The second case coupling surfaces 321a and 321b formed at the left and right sides of the combustion gas inlet 301 have a triangular shape so that the second case side walls 320a and 320b are formed to be inclined.

상기 제2케이스결합면(321a,321b,321c,321d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제2케이스결합면(321d)의 상단에는 상기 제2케이스결합면(321d)과 수직되도록 후방으로 돌출되어 상기 제1케이스(200)의 바닥지지부(213)의 상면에 지지되는 바닥걸림부(313)가 형성되어 있다.The second case coupling surface 321d perpendicular to the second case coupling surface 321d located at the lower portion of the latent heat exchanger 100 in the second case coupling surface 321a, 321b, 321c, and 321d. A bottom catching portion 313 is formed to protrude backward so as to be supported on an upper surface of the bottom support portion 213 of the first case 200.

상기 제2케이스바닥부(310)의 좌우 양측에는 상기 잠열 열교환기(100)의 전방부 저면을 경사지게 지지하기 위한 열교환기경사지지부(330a,330b)가 형성되어 있다.Heat exchanger slope support parts 330a and 330b are formed on both left and right sides of the second case bottom part 310 to support the bottom surface of the front part of the latent heat exchanger 100 in an inclined manner.

상기 열교환기경사지지부(330a,330b)는 제2케이스바닥부(310)의 상면으로 돌출된 형상으로서, 잠열 열교환기(100)의 전방측이 높고 후방측이 낮도록 경사지게 형성되어 있다.The heat exchanger slope support parts 330a and 330b protrude to the upper surface of the second case bottom part 310 and are formed to be inclined such that the front side of the latent heat exchanger 100 is high and the rear side is low.

상기 열교환기경사지지부(330a,330b)의 상면에는 전후방의 길이방향으로 소정의 길이로 상향 돌출된 열교환기지지리브(331a,331b)가 각각의 열교환기경사지지부(330a,330b)에 한 쌍씩 형성되어 있어, 잠열 열교환기(100)의 저면이 상기 열교환기지지리브(331a,331b)에 의해 지지된다.Heat exchanger support ribs 331a and 331b protruding upward at a predetermined length in the longitudinal direction of the front and rear are formed on each of the heat exchanger slope support parts 330a and 330b on the upper surfaces of the heat exchanger slope support parts 330a and 330b. The bottom surface of the latent heat exchanger 100 is supported by the heat exchanger support ribs 331a and 331b.

상기 제2케이스바닥부(310)에는 응축수배출공(311)이 형성되어 있어, 상기 잠열 열교환기(100)에서 생성된 응축수가 상기 응축수배출공(311)을 통해 배출된다.Condensed water discharge hole 311 is formed in the second case bottom 310, the condensed water generated in the latent heat exchanger 100 is discharged through the condensed water discharge hole (311).

상기 제2케이스(300)의 내측에는 상기 열교환기경사지지부(330a,330b)의 전방측 단부에서 상방향으로 연장되어 상기 잠열 열교환기(100)의 전면(100a)과 대면하도록 형성된 온수연결관삽입몸체(340a)와 냉수연결관삽입몸체(340b)가 좌우 양측에 각각 형성되어 있다.The hot water connection tube is inserted into the second case 300 so as to extend upward from the front end portions of the heat exchanger slope support parts 330a and 330b to face the front surface 100a of the latent heat exchanger 100. Body 340a and the cold water connecting tube insertion body 340b are formed on both left and right sides, respectively.

상기 온수연결관삽입몸체(340a)에는 상기 잠열 열교환기(100)의 온수연결관(130)이 삽입되는 온수연결관삽입구멍(341a)이 형성되어 있고, 상기 냉수연결관삽입몸체(340b)에는 상기 잠열 열교환기(100)의 냉수연결관(120)이 삽입되는 냉수연결관삽입구멍(341b)이 형성되어 있다.The hot water connection tube insertion body 340a is formed with a hot water connection tube insertion hole 341a into which the hot water connection tube 130 of the latent heat exchanger 100 is inserted, and in the cold water connection tube insertion body 340b. A cold water connection tube insertion hole 341b into which the cold water connection tube 120 of the latent heat exchanger 100 is inserted is formed.

상기 온수연결관삽입구멍(341a)은 제2케이스(300)의 측부에 형성된 온수배출구(370)와 연결되어 있고, 상기 온수연결관삽입구멍(341a)과 온수배출구(370) 사이를 연결하는 온수배출유로(371)가 제2케이스(300)에 일체로 형성되어 있다.The hot water connection tube insertion hole 341a is connected to the hot water discharge port 370 formed at the side of the second case 300, and the hot water connecting the hot water connection tube insertion hole 341a and the hot water discharge port 370 to connect. The discharge passage 371 is integrally formed with the second case 300.

상기 냉수연결관삽입구멍(341b)은 제2케이스(300)의 측부에 형성된 냉수배출구(360)와 연결되어 있고, 상기 냉수연결관삽입구멍(341b)과 냉수유입구(360) 사이를 연결하는 냉수유입유로(361)가 제2케이스(300)에 일체로 형성되어 있다.The cold water connection tube insertion hole 341b is connected to the cold water discharge hole 360 formed at the side of the second case 300 and connects the cold water connection tube insertion hole 341b to the cold water inlet 360. The inflow passage 361 is integrally formed with the second case 300.

상기 냉수유입유로(361)에서 상기 냉수유입구(360)가 형성된 측과 대향되는 측은 블럭캡(530)에 의해 막힌 구조로 되어 있어, 상기 냉수유입구(360)를 통해 유입되는 냉수는 냉수유입유로(361)를 거쳐 잠열 열교환기(100)의 후방을 향하여 90도 방향이 전환된 후 냉수연결관삽입구멍(341b)을 통해 냉수연결관(120)으로 유동한다.In the cold water inflow passage 361, the side opposite to the side on which the cold water inlet 360 is formed has a structure blocked by a block cap 530, and the cold water flowing through the cold water inlet 360 is a cold water inflow passage ( After the direction of 90 degrees is turned toward the rear of the latent heat exchanger 100 through 361, the cold water flows through the cold water connection pipe insertion hole 341b to the cold water connection pipe 120.

상기 온수배출구(370)의 인접한 위치에는 응축수배출구(미도시)가 제2케이스(300)의 측부에 돌출 형성되어 있어, 상기 응축수배출공(311)을 통해 배출된 응축수는 상기 응축수배출구를 통해 배출된다.The condensate outlet (not shown) is protruded on the side of the second case 300 in the adjacent position of the hot water outlet 370, the condensate discharged through the condensate discharge hole 311 is discharged through the condensate outlet do.

상기 제2케이스(300)의 전방 상부에는 연소가스가 배출되는 연소가스배출구(351)가 형성되어 있고, 상기 연소가스배출구(351)는 배기부몸체(350)에 의해 둘러싸여 있다.A combustion gas outlet 351 is formed at the front upper portion of the second case 300 to discharge combustion gas, and the combustion gas outlet 351 is surrounded by the exhaust body 350.

상기 배기부몸체(350)의 전방 외측에는 배기가스의 온도를 측정할 수 있는 온도센서(미도시)가 부착되는 온도센서부착부(391)가 형성되고, 상기 온도센서부착부(391)의 측부에는 배기가스의 성분을 확인하기 위한 연소 측정 센서(미도시)를 삽입할 수 있는 연소가스 측정부(392)가 형성되어 있다.A temperature sensor attachment portion 391 is formed at a front outside of the exhaust portion body 350 to which a temperature sensor (not shown) capable of measuring the temperature of the exhaust gas is formed, and a side portion of the temperature sensor attachment portion 391 is provided. The combustion gas measuring unit 392 is formed in the combustion gas measuring unit (392) that can insert a combustion measurement sensor (not shown) for confirming the components of the exhaust gas.

상기 연소가스 측정부(392)는 배기부몸체(350)를 관통하여 형성된 것으로서, 패킹(미도시)에 의해 밀폐되어 있다가 연소가스 측정이 필요한 경우 상기 패킹을 빼낸 후 상기 연소 측정 센서를 삽입하여 배기가스 성분을 측정할 수 있다.The combustion gas measuring unit 392 is formed through the exhaust body 350 and is sealed by a packing (not shown), and when the combustion gas measurement is required, the combustion gas measuring unit is removed, and then the combustion measuring sensor is inserted. The exhaust gas component can be measured.

상기 배기부몸체(350)의 상단부 둘레에는 오목하게 형성된 패킹삽입부(352)가 형성되어 있어 어댑터패킹(620)이 삽입되고, 상기 어댑터패킹(620)을 사이에 두고 상측에는 배기어댑터(400)가 결합되어, 연소가스의 기밀이 유지된다.A concave packing inserting portion 352 is formed around the upper end of the exhaust body 350 so that the adapter packing 620 is inserted, and the exhaust adapter 400 is disposed above the adapter packing 620. Is combined, and the airtightness of the combustion gas is maintained.

상기 배기어댑터(400)는 제2케이스(300)에 체결부재(미도시)로 체결되는 것으로서, 배기연도(미도시)가 결합되는 원통 형상의 어댑터몸체(410)와, 상기 어댑터몸체(410)의 하단부에서 외측으로 연장 형성되어 저면이 상기 어댑터패킹(620)의 상면에 접촉하는 어댑터플랜지(420)와, 상기 어댑터플랜지(420)의 외측에 형성된 어댑터체결부(430)로 이루어진다. The exhaust adapter 400 is fastened by a fastening member (not shown) to the second case 300, the cylindrical adapter body 410 is coupled to the exhaust flue (not shown), and the adapter body 410 An adapter flange 420 is formed extending outward from the lower end of the adapter flange contacting the upper surface of the adapter packing 620, and the adapter coupling portion 430 formed on the outer side of the adapter flange 420.

상기 패킹삽입부(352)의 외측에는 그 둘레를 따라 복수의 제2케이스체결부(353)가 형성되어 있어, 체결부재(미도시)에 의해 상기 어댑터체결부(430)와 제2케이스체결부(353)가 결합된다.A plurality of second case fastening parts 353 are formed along the periphery of the packing inserting part 352, and the adapter fastening part 430 and the second case fastening part are formed by fastening members (not shown). 353 is combined.

이와 같이 배기어댑터(400)는 제2케이스(300)로부터 교체 가능하도록 체결부재에 의해 탈착가능한 구조로 결합되어 있어, 배기연도의 직경이 상이한 경우에도 배기어댑터(400)의 직경을 배기연도에 맞게 교체하면 제2케이스(300)는 동일한 사양을 호환성 있게 사용할 수 있다.In this way, the exhaust adapter 400 is coupled to the structure detachable by the fastening member so as to be replaceable from the second case 300, so that even if the diameter of the exhaust flue is different, the diameter of the exhaust adapter 400 according to the exhaust flue If replaced, the second case 300 may use the same specifications interchangeably.

이와 같은 구성으로 이루어진 본 발명의 제2케이스(300)는 합성수지 재질로 사출 성형에 의해 제조함으로써 간단한 제조 공정에 의해 제조가 가능하다. The second case 300 of the present invention having such a configuration can be manufactured by a simple manufacturing process by manufacturing by injection molding of a synthetic resin material.

이 경우 제2케이스(300)의 내부를 통과하는 연소가스는 잠열 열교환기(100)를 통과하면서 온도가 하락한 상태이므로 합성수지 재질로 사용하더라도 내열성의 문제는 발생하지 않는다.In this case, since the temperature of the combustion gas passing through the second case 300 passes through the latent heat exchanger 100, even when used as a synthetic resin material, there is no problem of heat resistance.

또한 제1케이스(200)는 합성수지에 의해 사출성형으로 일체로 형성하고, 제2케이스(300)는 다이캐스팅에 의해 알루미늄 금속 재질로 일체로 형성한 후, 상기 제1케이스(200)와 제2케이스(300)를 체결부재로 체결함으로써, 잠열 열교환기(100)를 둘러싸는 케이스의 조립 공정이 간단해진다.In addition, the first case 200 is integrally formed by injection molding with synthetic resin, and the second case 300 is integrally formed with an aluminum metal material by die casting, and then the first case 200 and the second case. By fastening the 300 to the fastening member, the assembly process of the case surrounding the latent heat exchanger 100 is simplified.

또한 제1케이스(200)와 제2케이스(300)의 결합면에는 케이스패킹(610)이 개재됨으로써 기밀을 유지할 수 있다.In addition, the case packing 610 is interposed on the coupling surface of the first case 200 and the second case 300 to maintain the airtightness.

또한 제1케이스(200)와 제2케이스(300)의 내부에 잠열 열교환기(100)를 경사진 상태로 설치하기 위한 열교환기후면지지부(230)와 열교환기경사지지부(330a,330b)가 형성되어 있어, 잠열 열교환기(100)를 간단한 구조에 의해 경사지게 설치가 가능하다.In addition, the heat exchanger rear support part 230 and the heat exchanger inclination support parts 330a and 330b are formed in the first case 200 and the second case 300 to install the latent heat exchanger 100 in an inclined state. The latent heat exchanger 100 can be inclined by a simple structure.

또한 제2케이스(300)에는 온수연결관삽입구멍(341a)과 온수배출유로(371) 및 온수배출구(370), 냉수연결관삽입구멍(341b)과 냉수유입유로(361) 및 냉수유입구(360), 응축수배출구가 일체로 형성되어 있어, 냉수와 온수 및 응축수가 유동하는 배관 연결 구성이 간단해진다.In addition, the second case 300 has a hot water connection tube insertion hole 341a, a hot water discharge passage 371 and a hot water discharge port 370, a cold water connection tube insertion hole 341b, a cold water inlet passage 361, and a cold water inlet 360 ), The condensate outlet is integrally formed, simplifying the pipe connection configuration in which cold water, hot water, and condensate flow.

이상 설명한 바와 같이, 본 발명은 상술한 실시예에 한정되지 아니하며, 청구범위에서 청구되는 본 발명의 기술적 사상에 벗어남 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 자명한 변형실시가 가능하며, 이러한 변형실시는 본 발명의 범위에 속한다.As described above, the present invention is not limited to the above-described embodiments, and modifications apparent by those skilled in the art to which the present invention pertains may be made without departing from the technical spirit of the present invention claimed in the claims. It is possible that such modifications are within the scope of the present invention.

Claims (9)

버너(10)와, 상기 버너(10)에서 발생한 연소열을 흡수하는 현열 열교환부(20)와, 상기 현열 열교환부(20)에서 열교환을 마친 연소가스에 포함된 수증기의 잠열을 흡수하는 잠열 열교환부(30)를 포함하는 콘덴싱 보일러에 있어서,Burner 10, a sensible heat exchanger 20 for absorbing the combustion heat generated by the burner 10, and a latent heat exchanger for absorbing the latent heat of steam contained in the combustion gas heat exchanged in the sensible heat exchanger 20 A condensing boiler comprising (30), 상기 잠열 열교환부(30)는,The latent heat exchanger 30, 내부를 유동하는 난방수와의 열교환이 이루어져 상기 잠열을 흡수하기 위한 잠열 열교환기(100);A latent heat exchanger (100) for absorbing the latent heat by making heat exchange with the heating water flowing inside; 상기 현열 열교환부(20)에서 열교환을 마친 연소가스가 유입되는 연소가스유입구(201)가 형성되고, 상기 잠열 열교환기(100)의 후방부를 둘러싸도록 금속 재질로 이루어진 제1케이스(200);A first case 200 formed of a metal material to form a combustion gas inlet 201 through which the combustion gas which has completed heat exchange in the sensible heat exchanger 20 is introduced, and surrounds a rear portion of the latent heat exchanger 100; 상기 잠열 열교환기(100)에서 열교환을 마친 연소가스를 배출시키는 연소가스배출구(351)가 형성되고, 상기 잠열 열교환기(100)의 전방부를 둘러싸도록 합성수지로 성형되어 상기 제1케이스(200)에 결합되는 제2케이스(300);Combustion gas outlet 351 for discharging the combustion gas after the heat exchange in the latent heat exchanger 100 is formed, molded into a synthetic resin so as to surround the front portion of the latent heat exchanger 100 in the first case 200 A second case 300 coupled; 로 이루어진 콘덴싱 보일러Condensing Boiler 제1항에 있어서,The method of claim 1, 상기 제1케이스(200)는 상기 연소가스유입구(201)로 유입된 상향 흐름의 연소가스를 하향 흐름의 연소가스로 전환시키기 위해 상부가 막힌 형상으로 이루어지고;The first case 200 is formed in the shape of the top is blocked in order to convert the combustion gas of the upstream flow flowing into the combustion gas inlet (201) into the combustion gas of the downstream flow; 상기 제2케이스(300)는 상기 잠열 열교환기(100)에서 열교환을 마친 하향 흐름의 연소가스를 상향 흐름의 연소가스로 전환시키기 위해 상기 연소가스배출구(351)가 상부에 형성된 것으로 이루어지며;The second case 300 is composed of the combustion gas outlet 351 is formed in the upper portion in order to convert the combustion gas of the downstream flow after the heat exchange in the latent heat exchanger (100) to the combustion gas of the upward flow; 상기 잠열 열교환기(100)는 상기 연소가스가 수직선에 대하여 경사진 하향 흐름이 되도록 복수의 박판이 접합된 것으로 이루어진 것을 특징으로 하는 콘덴싱 보일러The latent heat exchanger (100) is a condensing boiler, characterized in that the plurality of thin plates are bonded to the downward flow of the combustion gas inclined with respect to the vertical line. 제1항에 있어서, The method of claim 1, 상기 제1케이스(200)의 제1케이스결합면(221a,221b,221c,221d)과 제2케이스(300)의 제2케이스결합면(321a,321b,321c,321d) 사이에는 케이스패킹(610)이 개재되고, 상기 제1케이스결합면(221a,221b,221c,221d)과 제2케이스결합면(321a,321b,321c,321d)에는 체결부재가 체결되는 제1케이스,제2케이스결합구멍(222a,222b,222c,222d,322a,322b,322c,322d)이 각각 형성되어, 상기 체결부재에 의해 상기 제1케이스결합면(221a,221b,221c,221d)과 케이스패킹(610) 및 제2케이스결합면(321a,321b,321c,321d)이 밀착되도록 결합되는 것을 특징으로 하는 콘덴싱 보일러Case packing 610 between the first case coupling surface (221a, 221b, 221c, 221d) of the first case 200 and the second case coupling surface 321a, 321b, 321c, 321d of the second case 300. ) Is interposed, and the first case and the second case coupling hole is fastened to the first case coupling surface (221a, 221b, 221c, 221d) and the second case coupling surface (321a, 321b, 321c, 321d). (222a, 222b, 222c, 222d, 322a, 322b, 322c, 322d) are respectively formed, and the first case coupling surface 221a, 221b, 221c, 221d and the case packing 610 and the first by the fastening member. Condensing boiler, characterized in that the two case coupling surface (321a, 321b, 321c, 321d) is coupled to be in close contact 제1항에 있어서,The method of claim 1, 상기 제2케이스(300)의 연소가스배출구(351)를 둘러싸는 배기부몸체(350)에는 배기연도의 직경에 따라 교체 가능한 배기어댑터(400)가 결합된 것을 특징으로 하는 콘덴싱 보일러Condensing boiler, characterized in that coupled to the exhaust body 350 surrounding the combustion gas outlet 351 of the second case 300 replaceable exhaust adapter 400 according to the diameter of the exhaust flue 제4항에 있어서,The method of claim 4, wherein 상기 배기어댑터(400)와 배기부몸체(350) 사이에는 어댑터패킹(620)이 개재된 것을 특징으로 하는 콘덴싱 보일러Condensing boiler, characterized in that the adapter packing 620 is interposed between the exhaust adapter 400 and the exhaust body (350) 제1항에 있어서,The method of claim 1, 상기 제2케이스(300)에는 상기 잠열 열교환기(100)로 냉수를 유입시키기 위한 냉수유입유로(361)와 상기 잠열 열교환기(100)에서 열교환을 마친 온수를 배출시키기 위한 온수배출유로(371)가 일체로 형성된 것을 특징으로 하는 콘덴싱 보일러The second case 300 has a cold water inflow passage 361 for introducing cold water into the latent heat exchanger 100 and a hot water discharge passage 371 for discharging hot water that has been heat-exchanged by the latent heat exchanger 100. Condensing boiler, characterized in that formed integrally 제6항에 있어서,The method of claim 6, 상기 잠열 열교환기(100)는, 내부를 유동하는 냉수와 상기 연소가스와의 열교환이 이루어지는 열교환부(110)와, 상기 냉수유입유로(361)를 통해 유입된 냉수를 상기 열교환부(110)로 유입시키기 위한 냉수연결관(120)와, 상기 열교환부(110)에서의 열교환에 의해 가열된 온수를 상기 온수배출유로(371)로 배출시키기 위한 온수연결관(130)로 이루어지고;The latent heat exchanger 100 includes a heat exchanger 110 through which heat exchange between cold water flowing through the combustion gas and the combustion gas is performed, and cold water introduced through the cold water inflow passage 361 to the heat exchanger 110. A cold water connection pipe 120 for introducing and a hot water connection pipe 130 for discharging hot water heated by heat exchange in the heat exchange unit 110 to the hot water discharge passage 371; 상기 제2케이스(300)의 양측부에서 상기 잠열 열교환기(100)의 전면(100a)과 대면하는 위치에 형성된 온수연결관삽입몸체(340a)와 냉수연결관삽입몸체(340b)에는 상기 온수연결관(130)이 삽입되도록 온수연결관삽입구멍(341a)과 상기 냉수연결관(120)이 삽입되도록 냉수연결관삽입구멍(341b)이 각각 형성된 것을 특징으로 하는 콘덴싱 보일러The hot water connection pipe insertion body 340a and the cold water connection pipe insertion body 340b formed at positions facing the front surface 100a of the latent heat exchanger 100 at both sides of the second case 300 are connected to the hot water. Condensing boiler, characterized in that the hot water connecting pipe insertion hole (341a) and the cold water connecting pipe insertion hole (341b) is formed so that the pipe 130 is inserted, respectively. 제2항에 있어서,The method of claim 2, 상기 제1케이스(200)의 내부에는 상기 잠열 열교환기(100)의 후면(100b)의 가장자리 둘레를 지지하는 열교환기후면지지부(230)가 형성되고, 상기 제2케이스(300)의 내부에는 상기 잠열 열교환기(100)의 전방부 저면을 경사지게 지지하도록 상기 제1케이스(200) 방향으로 경사진 열교환기경사지지부(330a,330b)가 형성되어 있어, 상기 잠열 열교환기(100)는 상기 제2케이스(300)에서 제1케이스(200) 방향으로 경사지게 설치된 것을 특징으로 하는 콘덴싱 보일러Inside the first case 200, a heat exchanger rear support part 230 is formed to support a periphery of an edge of the rear surface 100b of the latent heat exchanger 100, and inside the second case 300. The heat exchanger inclination support parts 330a and 330b which are inclined toward the first case 200 are formed to support the bottom surface of the front part of the latent heat exchanger 100 in an inclined manner, so that the latent heat exchanger 100 is the second heat exchanger 100. Condensing boiler, characterized in that installed in the case 300 inclined toward the first case 200 제3항에 있어서,The method of claim 3, 상기 제2케이스결합면(321a,321b,321c,321d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제2케이스결합면(321d)의 상단에는 상기 제2케이스결합면(321d)과 수직되도록 후방으로 돌출된 바닥걸림부(313)가 형성되고;The second case coupling surface 321d perpendicular to the second case coupling surface 321d located at the lower portion of the latent heat exchanger 100 in the second case coupling surface 321a, 321b, 321c, and 321d. A bottom catching portion 313 protruding rearwardly to be formed; 상기 제1케이스결합면(221a,221b,221c,221d)에서 상기 잠열 열교환기(100)의 하부에 위치하는 제1케이스결합면(221d)의 상단으로부터 후방으로 연장되어 상기 바닥걸림부(313)의 저면을 지지하는 바닥지지부(213)가 형성된 것을 특징으로 하는 콘덴싱 보일러In the first case coupling surface (221a, 221b, 221c, 221d) extending rearward from the upper end of the first case coupling surface (221d) located at the lower portion of the latent heat exchanger 100, the bottom catching portion 313 Condensing boiler, characterized in that the bottom support 213 is formed to support the bottom of the
PCT/KR2015/012662 2014-11-25 2015-11-24 Condensing boiler Ceased WO2016085238A1 (en)

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