[go: up one dir, main page]

CN106123657A - Heat medium water tubular type flue gas heat-exchange unit - Google Patents

Heat medium water tubular type flue gas heat-exchange unit Download PDF

Info

Publication number
CN106123657A
CN106123657A CN201610454227.2A CN201610454227A CN106123657A CN 106123657 A CN106123657 A CN 106123657A CN 201610454227 A CN201610454227 A CN 201610454227A CN 106123657 A CN106123657 A CN 106123657A
Authority
CN
China
Prior art keywords
flue gas
heat
refrigerant pipe
exchange unit
coolant
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.)
Pending
Application number
CN201610454227.2A
Other languages
Chinese (zh)
Inventor
朱青国
王焕明
许冰
叶文剑
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.)
Zhejiang Zheneng Taizhou No2 Power Generation Co Ltd
Original Assignee
Zhejiang Zheneng Taizhou No2 Power Generation 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 Zhejiang Zheneng Taizhou No2 Power Generation Co Ltd filed Critical Zhejiang Zheneng Taizhou No2 Power Generation Co Ltd
Priority to CN201610454227.2A priority Critical patent/CN106123657A/en
Publication of CN106123657A publication Critical patent/CN106123657A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention belongs to technical field of heat exchange, relate to a kind of heat medium water tubular type flue gas heat-exchange unit.It includes casing, described casing includes two blocks of shroudings being parallel to each other, the two ends of two blocks of shroudings connect the first end plate and the second end plate respectively, flue gas flow channel is formed between described the first end plate, the second end plate and two blocks of shroudings, a refrigerant pipe heat exchange mechanisms it is provided with in flue gas flow channel, and the coolant import of described refrigerant pipe heat exchange mechanisms and refrigerant exit are respectively positioned on the first end plate, the coolant import of described refrigerant pipe heat exchange mechanisms and refrigerant exit are connected to a low temperature integral box.The present invention is reasonable in design, working stability, good effect of heat exchange, and integrated performance is high, it is adaptable to flue gas heat exchange.

Description

Heat medium water tubular type flue gas heat-exchange unit
Technical field
The invention belongs to technical field of heat exchange, relate to a kind of heat medium water tubular type flue gas heat-exchange unit.
Background technology
In numerous heat transfer elements, heat pipe is one of known maximally effective heat transfer element, and it can be by substantial amounts of Heat is transmitted by its least sectional area and at a distance without additionaling power.The research of opposite heat tube technology and application in the world Start in the sixties in 20th century.China's research in this respect originates in the seventies in last century, has carried out the heat transfer property of heat pipe Research and heat pipe applied research in terms of electronic device cooling and spacecraft.
Flue gas heat-exchange unit is the heat transmission equipment of a kind of heat cryogen utilizing high temperature fluid.Heat in heat exchanger Pipe is typically made up of shell and internal working fluid (working medium).
The more conventional heat transmission equipment of heat pipe heat exchanging equipment is safer, reliable, can run the most continuously.The routine of prior art is changed Hot equipment is typically all septate heat transfer, and cold and hot fluid flows through in the both sides of wall respectively, as tube wall or wall have leakage, then will Cause production suspension induced losses.
Chinese patent literature discloses a kind of heating agent ability of swimming flue gas-air heat exchanger [application number: 201320052028.0], Including flue gas cool-down heat exchanger and steam air heater, described flue gas cool-down heat exchanger heating agent water out is with steam air heater heat medium water entrance even Logical, the outlet of described steam air heater heat medium water connects with flue gas cool-down heat exchanger heating agent water inlet, and described flue gas cool-down heat exchanger is with warm It is provided with the circulating pump realizing heat medium water cold cycling between wind device, between flue gas cool-down heat exchanger and steam air heater, is additionally provided with level pressure dress Put and water replanishing device.Utilize boiler exhaust gas waste heat, transfer heat to steam air heater by flue gas cool-down heat exchanger, make entrance boiler The air temperature of air preheater rises, and efficiently solves cold end corrosion and the generation of fouling and clogging phenomenon, reduces simultaneously Boiler smoke exhaust temperature, it is to avoid the exhaust gas temperature that conventional steam air heater exists raises problem.Such scheme can reach to utilize cigarette The purpose of gas used heat, makes boiler economy, high thermal efficiency run, the target reach energy-conservation, lower consumption, reducing discharging.It will be clear that the program does not has Having the concrete structure of open flue gas cool-down heat exchanger, in heat medium water tubular type flue gas heat-exchange unit field, different structures can have not Same effect.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of reasonable in design, the heat medium water tubular type cigarette that heat exchange efficiency is high Gas heat exchanger.
For reaching above-mentioned purpose, present invention employs following technical proposal: a kind of heat medium water tubular type flue gas heat-exchange unit, including Casing, described casing includes two blocks of shroudings being parallel to each other, and the two ends of two blocks of shroudings connect the first end plate and the second end respectively Plate, forms flue gas flow channel, is provided with a coolant in flue gas flow channel between described the first end plate, the second end plate and two blocks of shroudings Pipe heat exchange mechanisms, and the coolant import of described refrigerant pipe heat exchange mechanisms and refrigerant exit be respectively positioned on the first end plate, described The coolant import of refrigerant pipe heat exchange mechanisms and refrigerant exit are connected to a low temperature integral box.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, described refrigerant pipe heat exchange mechanisms includes that at least two coolant changes Hot cell, if each coolant heat exchange unit includes that the coolant tube layer that dried layer is parallel to each other, each coolant tube layer include some phases The most parallel refrigerant pipe, the refrigerant pipe one_to_one corresponding in coolant tube layer that on same coolant heat exchange unit, each two is adjacent and phase Head and the tail connect mutually.
Coolant tube layer phase in above-mentioned heat medium water tubular type flue gas heat-exchange unit, on the coolant heat exchange unit that each two is adjacent Being crisscross arranged mutually, the two ends of every refrigerant pipe each extend over out the first end plate and the second end plate, and described refrigerant pipe is enamel pipe.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, in described flue gas flow channel, it is provided with some pipes being parallel to each other Plate, tube sheet is provided with bores a hole one to one with refrigerant pipe, and described refrigerant pipe is through perforation, the cross section of tube sheet and flue gas stream The cross section in road matches, and some tube sheets will be separated into separate heat transfer zone inside flue gas flow channel.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, described perforation be provided with and bore a hole shape, matching size Suitable polyfluortetraethylene pipe, described polyfluortetraethylene pipe is set on refrigerant pipe.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, in described flue gas flow channel and be positioned at shrouding and be provided with to flue gas The plate that runner is internal prominent, plate fixes with shrouding and is connected, being respectively arranged at two ends with and match with plate of described tube sheet Suitable slot.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, being further fixed at least two row's hoisting rings on shrouding, often row hangs Dress ring includes that several fix the hoisting ring being connected with shrouding.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, between every two pieces of adjacent tube sheets, it is provided with a channel-section steel, described The two ends of channel-section steel connect top and the bottom of two pieces of adjacent tube sheets, and the end position one of every two adjacent channel-section steels respectively One is corresponding.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, the first described end plate and refrigerant pipe are detachable by securing member Fixing connection, the second described end plate is welded and fixed with refrigerant pipe.
In above-mentioned heat medium water tubular type flue gas heat-exchange unit, described low temperature integral box includes integral box body, described Integral box body side connects coolant import or the refrigerant exit of refrigerant pipe heat exchange mechanisms, and integral box body opposite side is provided with one Coolant house steward.
Compared with prior art, it is an advantage of the current invention that: reasonable in design, working stability, good effect of heat exchange, integrated performance High, it is adaptable to flue gas heat exchange.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation in another direction of the present invention;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1;
Fig. 5 is the connection diagram of the first end plate and refrigerant pipe;
Fig. 6 is the connection diagram of the second end plate and refrigerant pipe;
Fig. 7 is the structural representation of low temperature integral box;
Fig. 8 is the structural representation in another direction of low temperature integral box;
Fig. 9 is the structural representation in another direction of low temperature integral box;
Figure 10 is the structural representation of tube sheet.
In figure: casing 1, shrouding the 2, first end plate the 3, second end plate 4, flue gas flow channel 5, refrigerant pipe heat exchange mechanisms 6, low temperature collection Become case 7, coolant heat exchange unit 8, coolant tube layer 9, refrigerant pipe 10, tube sheet 11, perforation 12, polyfluortetraethylene pipe 13, plate 14, insert Groove 15, hoisting ring 16, channel-section steel 17, securing member 18, integral box body 19, coolant house steward 20, bend pipe 100.
The direction of arrow in Fig. 1 is flue gas flow direction.
Detailed description of the invention
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of heat medium water tubular type flue gas heat-exchange unit, including casing 1, described casing 1 includes two pieces mutually Parallel shrouding 2, the two ends of two blocks of shroudings connect the first end plate 3 and the second end plate 4, first described end plate the 3, second end respectively Form flue gas flow channel 5 between plate 4 and two blocks of shroudings 2, in flue gas flow channel 5, be provided with a refrigerant pipe heat exchange mechanisms 6, and described The coolant import of refrigerant pipe heat exchange mechanisms 6 and refrigerant exit are respectively positioned on the first end plate 3, described refrigerant pipe heat exchange mechanisms 6 Coolant import and refrigerant exit are connected to a low temperature integral box 7.
The present invention, integration degree is high, and refrigerant pipe heat exchange mechanisms 6 can be the coil pipe of cyclic bending, it is also possible to be many Parallel straight tube, and the coolant import of refrigerant pipe heat exchange mechanisms 6 and refrigerant exit are connected to a low temperature integral box 7, carry High integration degree, it is internal that refrigerant pipe heat exchange mechanisms 6 is arranged on flue gas flow channel 5, makes the flue gas by flue gas flow channel 5 can be with Refrigerant pipe heat exchange mechanisms 6 contacts, thus improves heat exchange efficiency.
Specifically, shown in Fig. 2-4, refrigerant pipe heat exchange mechanisms 6 includes at least two coolant heat exchange unit 8, each If coolant heat exchange unit 8 includes that the coolant tube layer 9 that dried layer is parallel to each other, each coolant tube layer 9 include that some are parallel to each other Refrigerant pipe 10, refrigerant pipe 10 one_to_one corresponding in coolant tube layer 9 that on same coolant heat exchange unit 8, each two is adjacent and mutually Head and the tail connect, and in the present embodiment, connect the head and the tail of two refrigerant pipes 10 with bend pipe 100, and it is outside that bend pipe 100 is positioned at casing 1, with Flue gas does not comes in contact, and will not be corroded.
The interlaced setting of coolant tube layer 9 on the coolant heat exchange unit 8 that each two is adjacent, the two ends of every refrigerant pipe 10 Each extending over out the first end plate 3 and the second end plate 4, described refrigerant pipe 10 is enamel pipe.High-grade alloy pipe base material to have The physical property that the extensive chemical such as acid-proof, alkali is corroded, the domestic alloy steel products of current China is had not to possess this physical property, need a large amount of import, Main import 1.4529 and the two phase stainless steel of using, expensive.The application uses enamel pipe, the corrosion resistance of enamel and wear-resisting Property be better than super-duplex stainless steel pipe, be good substitution material, play reduction manufacturing cost, carry high-quality good work With.
In conjunction with shown in Fig. 2, being provided with some tube sheets 11 being parallel to each other in flue gas flow channel 5, tube sheet 11 is provided with and coolant Pipe 10 bores a hole 12 one to one, and described refrigerant pipe 10 is through perforation 12, and the cross section of tube sheet 11 is transversal with flue gas flow channel 5 Face matches, that is, tube sheet 11 coordinates with flue gas flow channel 5 inner wall sealing, some tube sheets 11 are separated into phase by internal for flue gas flow channel 5 The most independent heat transfer zone, the flue gas in each heat transfer zone and refrigerant pipe 10 independent contact, will not produce sinuous flow and mixed flow, thus carry High heat exchange efficiency.
As shown in Figure 10, perforation 12 be provided with and bore a hole 12 shape, the suitable polyfluortetraethylene pipe 13 of matching size, described Polyfluortetraethylene pipe 13 be set on refrigerant pipe 10, perforation 12 and the contact position of refrigerant pipe 10 are easily caused abrasion, thus quilt Corrosion, polyfluortetraethylene pipe 13 has high antiseptic effect, and inner and outer wall contacts with refrigerant pipe 10 and perforation 12 respectively, plays Good sealing effectiveness, it will be appreciated by those skilled in the art that the length of polyfluortetraethylene pipe 13 should be slightly larger than perforation 12 Length is such that it is able to be completely covered the inwall of perforation 12.
As shown in Fig. 3, Fig. 4 and Figure 10, in flue gas flow channel 5 and be positioned at shrouding 2 and be provided with to flue gas flow channel 5 internal prominent Plate 14, plate 14 and shrouding 2 is fixing to be connected, described tube sheet 11 be respectively arranged at two ends with one slotting with what plate 14 matched Groove 15, plate 14 is inserted in slot 15, and tube sheet 11 realizes grafting with plate 14 and coordinates, by welding and achieving a fixed connection, Easy to connect.
As it is shown in figure 1, be provided with a channel-section steel 17 between every two pieces of adjacent tube sheets 11, the two ends of described channel-section steel 17 are respectively Connect top and the bottom of two pieces of adjacent tube sheets 11, and the end position one_to_one corresponding of every two adjacent channel-section steels 17, two Middle tube sheet 11 is played a supporting role by channel-section steel 17, makes tube sheet will not shake in the mobility of flue gas, thus improves and set Standby stability in use and life-span.
As shown in Figure 3 and Figure 4, being further fixed at least two row's hoisting rings 16 on shrouding 2, often row's hoisting ring 16 includes some The individual hoisting ring 16 that be connected fixing with shrouding 2.As shown in Figure 5 and Figure 6, the first end plate 3 can by securing member 18 with refrigerant pipe 10 The fixing connection of dismounting, the second described end plate 4 is welded and fixed with refrigerant pipe 10, and securing member 18 can be bolt pair, carve body admittedly Locking member, expansion loop etc..
The most individual, as in figure 2 it is shown, low temperature integral box 7 has two, connect coolant import respectively and coolant goes out Mouthful, as Figure 7-9, low temperature integral box 7 includes that integral box body 19, described integral box body 19 side connect refrigerant pipe and change The coolant import of heat engine structure 6 or refrigerant exit, integral box body 19 opposite side is provided with a coolant house steward 20, specifically, if The refrigerant pipe 10 connecting coolant import on dry and cold matchmaker's heat exchange unit 8 is all connected with one of them integral box body 19, some coolant The refrigerant pipe 10 connecting refrigerant exit on heat exchange unit 8 is all connected with another integral box body 19, thus realizes integrated form Coolant passes in and out, it is easy to control.Preferably, the integral box body 19 connecting coolant import is positioned at the flue gas upstream end of casing 1.
The operation principle of the present invention is: coolant can be air or water or conduction oil etc., from which a coolant house steward 20 Even in the refrigerant pipe 10 to each coolant heat exchange unit 8 after entrance, owing to each coolant heat exchange unit 8 has some Layer coolant tube layer 9, in therefore coolant is passed into each layer of coolant tube layer 9, owing to coolant tube layer 9 is arranged alternately, makes flue gas with cold Matchmaker's pipe 10 is fully contacted, abundant heat exchange, thus improves heat transfer effect.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing casing 1, shrouding the 2, first end plate the 3, second end plate 4, flue gas flow channel 5, refrigerant pipe Heat exchange mechanisms 6, low temperature integral box 7, coolant heat exchange unit 8, coolant tube layer 9, refrigerant pipe 10, tube sheet 11, perforation 12, polytetrafluoroethyl-ne The terms such as alkene pipe 13, plate 14, slot 15, hoisting ring 16, channel-section steel 17, securing member 18, integral box body 19, coolant house steward 20, But it is not precluded from using the probability of other term.Use these terms to be only used to more easily and describe and explain the present invention Essence;It is all contrary with spirit of the present invention for being construed as any additional restriction.

Claims (10)

1. a heat medium water tubular type flue gas heat-exchange unit, including casing (1), it is characterised in that described casing (1) includes two pieces of phases The most parallel shrouding (2), the two ends of two blocks of shroudings connect the first end plate (3) and the second end plate (4), the first described end plate respectively (3), between the second end plate (4) and two pieces of shroudings (2), form flue gas flow channel (5), in flue gas flow channel (5), be provided with a refrigerant pipe Heat exchange mechanisms (6), and the coolant import of described refrigerant pipe heat exchange mechanisms (6) and refrigerant exit be respectively positioned on the first end plate (3), The coolant import of described refrigerant pipe heat exchange mechanisms (6) and refrigerant exit are connected to a low temperature integral box (7).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 1, it is characterised in that described refrigerant pipe heat exchange mechanisms (6) including at least two coolant heat exchange unit (8), each coolant heat exchange unit (8) is if including the refrigerant pipe that dried layer is parallel to each other Layer (9), each coolant tube layer (9) includes some the refrigerant pipes being parallel to each other (10), and same coolant heat exchange unit (8) is upper every Refrigerant pipe (10) one_to_one corresponding and mutually head and the tail in two adjacent coolant tube layer (9) connect.
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 2, it is characterised in that the coolant heat exchange that each two is adjacent Coolant tube layer (9) interlaced setting on unit (8), the two ends of every refrigerant pipe (10) each extend over out the first end plate (3) With the second end plate (4), described refrigerant pipe (10) is enamel pipe.
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 2, it is characterised in that in described flue gas flow channel (5) Being provided with some tube sheets (11) being parallel to each other, tube sheet (11) is provided with bores a hole (12) one to one with refrigerant pipe (10), described Refrigerant pipe (10) through perforation (12), the cross section of tube sheet (11) matches with the cross section of flue gas flow channel (5), some tube sheets (11) it is separated into separate heat transfer zone by internal for flue gas flow channel (5).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 4, it is characterised in that described perforation (12) is provided with The polyfluortetraethylene pipe (13) fitted with the perforation shape of (12), matching size, described polyfluortetraethylene pipe (13) is set in cold On matchmaker's pipe (10).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 5, it is characterised in that in described flue gas flow channel (5) And be positioned at shrouding (2) and be provided with to the internal prominent plate (14) of flue gas flow channel (5), plate (14) is fixed with shrouding (2) and is connected, Described tube sheet (11) be respectively arranged at two ends with a slot (15) matched with plate (14).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 1, it is characterised in that be further fixed on shrouding (2) At least two row's hoisting rings (16), often arrange hoisting ring (16) and include the fixing hoisting ring (16) being connected of several and shrouding (2).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 4, it is characterised in that every two pieces of adjacent tube sheets (11) Between be provided with a channel-section steel (17), the two ends of described channel-section steel (17) connect top and the end of two pieces of adjacent tube sheets (11) respectively Portion, and the end position one_to_one corresponding of every two adjacent channel-section steels (17).
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 2, it is characterised in that described the first end plate (3) with Refrigerant pipe (10) passes through the dismountable fixing connection of securing member (18), and described the second end plate (4) welds solid with refrigerant pipe (10) Fixed.
Heat medium water tubular type flue gas heat-exchange unit the most according to claim 1, it is characterised in that described low temperature integral box (7) Including integral box body (19), described integral box body (19) side connect refrigerant pipe heat exchange mechanisms (6) coolant import or Refrigerant exit, integral box body (19) opposite side is provided with a coolant house steward (20).
CN201610454227.2A 2016-06-20 2016-06-20 Heat medium water tubular type flue gas heat-exchange unit Pending CN106123657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610454227.2A CN106123657A (en) 2016-06-20 2016-06-20 Heat medium water tubular type flue gas heat-exchange unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610454227.2A CN106123657A (en) 2016-06-20 2016-06-20 Heat medium water tubular type flue gas heat-exchange unit

Publications (1)

Publication Number Publication Date
CN106123657A true CN106123657A (en) 2016-11-16

Family

ID=57471221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610454227.2A Pending CN106123657A (en) 2016-06-20 2016-06-20 Heat medium water tubular type flue gas heat-exchange unit

Country Status (1)

Country Link
CN (1) CN106123657A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108387121A (en) * 2018-04-15 2018-08-10 山西阳煤化工机械(集团)有限公司 Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling
CN112709984A (en) * 2020-12-30 2021-04-27 哈尔滨锅炉厂有限责任公司 Novel external heat exchanger for CFB boiler

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079702A (en) * 1975-09-10 1978-03-21 Ishikawajima-Harima Jukogyo Kaisha Economizer utilizing exhaust gas
CN201266026Y (en) * 2008-07-23 2009-07-01 上海宁松热能环境工程有限公司 Modular finned tube heat exchanger
CN101706109A (en) * 2009-09-27 2010-05-12 西安交通大学 Embedded deep cooler for boiler flue gas
CN201496994U (en) * 2009-09-27 2010-06-02 西安交通大学 A boiler hot water heater
CN202884955U (en) * 2012-10-15 2013-04-17 湖北迪峰换热器有限公司 Smoke gas cooler
CN203052704U (en) * 2013-01-30 2013-07-10 中电投远达环保工程有限公司 Heating medium liquid type smoke-air heat exchanger
CN204313677U (en) * 2014-11-29 2015-05-06 山东恒涛节能环保有限公司 Degree of depth enamel pipe energy-saving appliance
CN205037287U (en) * 2015-07-29 2016-02-17 浙江开尔新材料股份有限公司 Resistant low temperature corrosion's enamel pipe low -level (stack -gas) economizer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079702A (en) * 1975-09-10 1978-03-21 Ishikawajima-Harima Jukogyo Kaisha Economizer utilizing exhaust gas
CN201266026Y (en) * 2008-07-23 2009-07-01 上海宁松热能环境工程有限公司 Modular finned tube heat exchanger
CN101706109A (en) * 2009-09-27 2010-05-12 西安交通大学 Embedded deep cooler for boiler flue gas
CN201496994U (en) * 2009-09-27 2010-06-02 西安交通大学 A boiler hot water heater
CN202884955U (en) * 2012-10-15 2013-04-17 湖北迪峰换热器有限公司 Smoke gas cooler
CN203052704U (en) * 2013-01-30 2013-07-10 中电投远达环保工程有限公司 Heating medium liquid type smoke-air heat exchanger
CN204313677U (en) * 2014-11-29 2015-05-06 山东恒涛节能环保有限公司 Degree of depth enamel pipe energy-saving appliance
CN205037287U (en) * 2015-07-29 2016-02-17 浙江开尔新材料股份有限公司 Resistant low temperature corrosion's enamel pipe low -level (stack -gas) economizer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
代有凡: "《石油化工厂设备检修手册》", 28 February 1995, 中国石化出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108387121A (en) * 2018-04-15 2018-08-10 山西阳煤化工机械(集团)有限公司 Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling
CN108387121B (en) * 2018-04-15 2024-02-06 山西阳煤化工机械(集团)有限公司 Glass tube heat exchanger for recovering low-temperature flue gas waste heat
CN112709984A (en) * 2020-12-30 2021-04-27 哈尔滨锅炉厂有限责任公司 Novel external heat exchanger for CFB boiler

Similar Documents

Publication Publication Date Title
US8220529B2 (en) Heat exchanger of condensing boiler for heating and hot-water supply
JPH04506860A (en) Heat transfer device for heat pump
WO2014044208A1 (en) Forced spiral finned coil condensation heat-supplying heat exchanger
CN104251629A (en) Heat exchanger and gas water heater with same
CN110285695A (en) Telescopic channel heat exchanger
CN106895727B (en) Finned tube heat exchanger, application thereof and waste heat boiler
CN209279723U (en) A kind of spherical heat exchanger with Dual heat exchange effect
CN102713453B (en) Double tubing condensation exchanger for heating water and/or for producing sanitary hot water
CN106123657A (en) Heat medium water tubular type flue gas heat-exchange unit
CN105841351B (en) A kind of condensing heat exchanger
CN202955681U (en) Boiler residual heat utilizing economizer
CN103712495B (en) Heat exchange device for recycling flue gas waste heat
CN202254521U (en) A Microchannel Condenser for Heat Pump Water Heater
CN204100858U (en) Heat exchanger and there is its gas heater
CN207035908U (en) A kind of flue gas heat-exchange unit
KR100515635B1 (en) Structure of Heat Exchanger in Condensing Gas Boiler
CN214950785U (en) Heat pipe energy saver
CN214199213U (en) Condenser for boiler tail gas
RU2563946C1 (en) Heat exchanger
CN203928848U (en) The condensing heat exchanger of a kind of condensing heat exchange plate and application thereof
CN109269331A (en) A kind of two-period form heat pipe rotational flow heat exchanger
CN205843469U (en) Enamel heat exchange tube structure for heat medium water tubular type flue gas heat-exchange unit
CN207438623U (en) Igniting steam air heater
CN218480761U (en) Energy-saving condenser and full-flow stainless steel heat exchanger vacuum phase change boiler
CN222378865U (en) Gas heat recovery device based on heat pipe

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161116

RJ01 Rejection of invention patent application after publication