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WO2018120151A1 - Pare-vent et chauffe-eau à gaz doté dudit pare-vent - Google Patents

Pare-vent et chauffe-eau à gaz doté dudit pare-vent Download PDF

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Publication number
WO2018120151A1
WO2018120151A1 PCT/CN2016/113797 CN2016113797W WO2018120151A1 WO 2018120151 A1 WO2018120151 A1 WO 2018120151A1 CN 2016113797 W CN2016113797 W CN 2016113797W WO 2018120151 A1 WO2018120151 A1 WO 2018120151A1
Authority
WO
WIPO (PCT)
Prior art keywords
windshield
inner cover
windproof
cover
exhaust
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/CN2016/113797
Other languages
English (en)
Chinese (zh)
Inventor
代先锋
仇正良
梁国荣
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.)
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Wuhu Midea Kitchen and Bath Appliances Manufacturing 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 Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority to PCT/CN2016/113797 priority Critical patent/WO2018120151A1/fr
Publication of WO2018120151A1 publication Critical patent/WO2018120151A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • 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

Definitions

  • the present invention relates to the field of electrical appliance manufacturing technology, and in particular to a windshield and a gas water heater having the windshield.
  • the burner in order to facilitate the exhausting of smoke, the burner is usually disposed under the flue so that when there is wind outside, that is, when the air is blown outside, the external wind will form a descending airflow of a certain flow velocity in the flue.
  • the descending airflow blows along the flue to the burner, affecting the combustion conditions, easily leading to flame extinction, tempering and flames exceeding the boundary of the combustion chamber, and easily causing excessive emissions of flue gas.
  • the present invention aims to solve at least one of the above technical problems in the related art to some extent.
  • the present invention provides a windshield that can reduce the influence of the external air blow on the combustion condition, and achieve the purpose of stable combustion and reasonable smoke.
  • the invention also proposes a gas water heater having the windshield.
  • a windshield is provided, the windshield cover includes: a windproof cover, the windshield cover is provided with a smoke inlet, a smoke exhaust port and an exhaust air flow passage; and a windproof inner cover, a windproof inner cover is disposed in the windproof cover and located at the exhaust vent, wherein the windproof inner cover is provided with a one-way flue gas outlet, and the windproof inner cover and the windproof cover define a smoke exhaust flow a windproof inner cover having a smoke guiding surface for guiding an airflow flowing out of the windshield from the one-way flue gas outlet to the exhaust gas flow path and for flowing the windproof flow into the windproof passage
  • the air flow of the hood is directed to the air guiding surface of the exhaust air flow path.
  • the windshield according to the embodiment of the invention can reduce the influence on the combustion condition when the outer air blows, and achieve the purpose of stable combustion and reasonable smoke.
  • the windshield according to an embodiment of the present invention may further have the following additional technical features:
  • the windshield cover includes: an outer cover body, an upper end of the outer cover body is open to form the exhaust vent, and a lower end of the outer cover is open to form the smoke inlet, the cover
  • the exhaust flow passage is defined between the body and the windproof inner cover; the pillar is connected to a lower circumference of the outer cover to form the exhaust flow below a lower circumference of the outer cover Road.
  • the windshield cover further includes: a shroud attached to an upper circumference of the outer casing and disposed around the exhaust vent.
  • the cross-sectional area of the inner space of the outer cover gradually increases from top to bottom.
  • the struts are plural and are spaced apart along the circumference of the outer casing.
  • the windproof inner cover includes: an inner cover body, the inner cover body and the windproof outer cover define the exhaust flow passage, and the inner cover body is provided with a through hole, The upper surface of the inner cover body constitutes the air guiding surface; a windshield disposed on the inner cover body and located above the through hole, the windshield partially blocking the through hole
  • the holes form a single-phase flue gas outlet toward the exhaust flow path, and an inner surface of the windshield constitutes the smoke guiding surface.
  • the upper surface of the inner cover body extends obliquely downward from the center to the outer periphery.
  • the through holes are plural and are disposed along a circumferential interval of the inner cover body, and the windshield is a plurality of and respectively located above the plurality of through holes.
  • the windshield cover and the windshield inner cover are connected by a plurality of ribs spaced along the circumferential direction of the exhaust vent.
  • the central axis of the windshield inner cover coincides with the central axis of the windshield cover.
  • a gas water heater includes: a casing; a flue, the flue is disposed in the casing and penetrates a top wall of the casing; a burner, a a burner disposed in the outer casing and located below the flue; a windshield, the windshield being a windshield according to the embodiment of the first aspect of the invention, the windshield being mounted on the outer casing Above and above the flue.
  • a gas water heater according to an embodiment of the present invention has advantages such as stable combustion, reasonable flue gas, and the like by using the windshield according to the embodiment of the first aspect of the present invention.
  • the gas water heater further includes a liner, the liner being disposed in the outer casing and the flue passing through the inner casing.
  • FIG. 1 is a schematic view showing the structure and smoke exhaust of a gas water heater without external air blowing according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the structure and smoke exhausting of a gas water heater when there is an external air blow according to an embodiment of the present invention.
  • FIG. 3 is a perspective cross-sectional view of a draft shield in accordance with an embodiment of the present invention.
  • FIG. 4 is a plan cross-sectional view of a draft shield in accordance with an embodiment of the present invention.
  • Figure 5 is a top plan view of a draft shield in accordance with an embodiment of the present invention.
  • the outer casing 10 The outer casing 10, the inner casing 20, the flue 30, the burner 40, the windshield 50,
  • a gas water heater 1 according to an embodiment of the present invention will be described below with reference to the drawings.
  • a gas water heater 1 includes a casing 10, a flue 30, a burner 40, and a windshield 50. Further, the gas water heater 1 may be a volumetric gas water heater, that is, a gas water heater. 1 also includes a liner 20. Among them, the burner 40 may be an atmospheric burner.
  • a draft shield 50 according to an embodiment of the present invention will first be described with reference to the accompanying drawings.
  • the windshield 50 includes a windshield cover 100 and a windproof inner cover 200.
  • the windshield cover 100 is provided with a smoke inlet 110, a smoke exhaust port 120 and an exhaust air flow passage 130.
  • the smoke inlet 110 is located at the bottom of the windproof cover 100
  • the smoke outlet 120 is located at the top of the windproof cover 100
  • the exhaust flow channel 130 is located at the windproof cover.
  • the side of the 100 The windproof inner cover 200 is disposed in the windproof outer cover 100, and the windproof inner cover 200 is located at the smoke exhausting opening 120.
  • the windproof inner cover 200 is provided with a one-way flue gas outlet 210, and the windproof inner cover 200 and the windproof outer cover 100 define a smoke exhausting The flow path 220 in which the air flow can only flow out of the windproof inner cover 200 from the one-way smoke outlet 210 and cannot flow into the windproof inner cover 200 from the one-way smoke outlet 210.
  • the windproof inner cover 200 has a smoke guiding surface 230 and a wind guiding surface 240 for guiding the airflow flowing out of the windshield 50 from the one-way flue gas outlet 210 to the exhaust gas flow path 220, and the air guiding surface 240 is used for discharging the smoke
  • the flow of the flow path 220 into the windshield 50 is directed to the exhaust flow path 130.
  • the inner liner 20 is disposed inside the outer casing 10.
  • the flue 30 is disposed within the outer casing 10 and extends through the inner wall of the inner casing 20 and the outer casing 10.
  • the burner 40 is disposed within the outer casing 10 and below the flue 30.
  • the windshield 50 is mounted on the outer top wall surface of the outer casing 10 and the windshield 50 is located above the flue 30.
  • the top of the flue 30 is in communication with the smoke inlet 110 of the draft shield 50, which is defined by the windshield 100 and the outer top wall of the outer casing 10.
  • the flue gas generated by the burner 40 rises to the shroud 160 through the flue 30, and a part of the flue gas flows out through the one-way flue gas outlet 210 on the windproof inner cover 200.
  • the smoke surface 230 is guided to the exhaust flow path 220 and discharged from the exhaust flow path 220, and another portion of the flue gas is directly discharged through the exhaust flow path 220.
  • the external wind is blown down from the exhaust flow path 220, and mixed with the flue gas flowing into the exhaust flow path 220 through the one-way flue gas outlet 210, on the wind guiding surface. Guided by 240, it flows to the exhaust passage 130 and is discharged from the exhaust passage 130 to prevent external wind from blowing toward the burner 40 along the flue 30, thereby avoiding the influence on the combustion conditions in the case of external blowing.
  • the windshield 50 is provided with a unidirectional flue gas outlet 210, an exhaust air flow path 130, and a smoke exhaust flow path 220, and is provided for guiding the airflow flowing out of the windshield 50 from the one-way flue gas outlet 210 to the exhaust gas.
  • the smoke guiding surface 230 of the flow path 220 and the air flow for flowing the exhaust air flow path 220 into the windshield 50 are guided to the air guiding surface 240 of the exhaust air flow path 130, so that the flue gas can be discharged from the exhaust gas flow path 220 when there is no external air blowing.
  • the mixed flue gas can be discharged from the exhaust air flow passage 130 when there is an external air blow, so that the influence of the external air blow on the combustion working condition can be reduced, and the purpose of stable combustion and reasonable flue gas can be achieved.
  • the gas water heater 1 according to the embodiment of the present invention has advantages such as stable combustion, reasonable flue gas, and the like by using the windshield 50 according to the above embodiment of the present invention.
  • a windshield 50 according to an embodiment of the present invention will now be described with reference to the accompanying drawings.
  • the windshield 50 includes a windshield cover 100 and a windproof inner cover 200.
  • the windshield cover 100 includes a cover body 140 and a strut 150.
  • the outer cover body 140 has a circular cross section, and the upper end of the outer cover body 140 is open to form a smoke exhaust port 120.
  • the lower end of the outer cover body 140 is open to form the smoke inlet 110, and the outer cover body 140 and the windproof inner cover 200 define a smoke exhaust flow. Road 220.
  • the pillar 150 is coupled to the lower circumference of the outer casing 140 to form an exhaust flow path 130 below the lower circumference of the outer casing 140 and above the top wall of the outer casing 10. Therefore, the smoke inlet 110, the smoke exhaust port 120 and the exhaust air flow passage 130 can be formed on the windproof cover 100, and the positions of the smoke inlet 110, the smoke exhaust port 120 and the exhaust air flow passage 130 are reasonably distributed to facilitate the discharge of the flue gas. .
  • the windshield cover 100 further includes a flow guiding cover 160 connected to the upper circumference of the outer cover body 140, and the air guiding cover 160 is a ring shape disposed around the exhaust vent 120.
  • the flue gas discharged from the exhaust flow passage 220 is emptied under the guidance of the shroud 160 to prevent the exhausted flue gas from spreading.
  • the cross-sectional area of the inner space of the outer cover body 140 is gradually increased from top to bottom.
  • the outer cover body 140 may be generally in the shape of a truncated cone.
  • the upward discharge of the gas facilitates the mixing of the flue gas to the exhaust runner 130 when there is an external blow.
  • the plurality of pillars 150 are disposed at equal intervals along the circumferential direction of the outer casing 140, and the lower ends of the plurality of pillars 150 are respectively installed.
  • the windshield inner cover 200 includes an inner shroud body 250 and a windshield 260.
  • a smoke exhaust passage 220 is defined between the outer side surface of the inner cover body 250 and the inner side surface of the outer cover body 140.
  • the inner cover body 250 is provided with a through hole, and the upper surface of the inner cover body 250 (also referred to as an outer side surface) is formed.
  • Windshield 260 is located at The inner cover body 250 is located above the through hole, and the windshield 260 partially blocks the through hole to form a one-way flue gas outlet 210 facing the exhaust flow path 220 (ie, facing the outer cover body 140), the windshield
  • the inner surface of 260 constitutes a smoke guide surface 230.
  • the one-way flue gas outlet 210, the smoke guiding surface 230 and the air guiding surface 240 can be formed on the windproof inner cover 200, and in the case of external blowing, the external wind cannot be singular due to the shielding of the windshield 260.
  • the windshield 50 is introduced into the flue gas outlet 210, and can only flow back into the windshield 50 from the exhaust gas flow path 220, and is guided to the exhaust air flow path 130 by the air guiding surface 240.
  • the upper surface of the inner cover body 250 extends obliquely downward from the center to the outer periphery.
  • the inner cover body 250 may be substantially conical, of course, the inner cover body 250
  • the top can be a circular transition. This can facilitate the guiding of the flue gas and the wind by the inner cover body 250.
  • the plurality of through holes are disposed along the circumferential direction of the inner cover 250, and the windshield 260 is plural and located above the plurality of through holes, thereby forming a plurality of one-way flue gas outlets. 210 and a plurality of air guiding surfaces 240, thereby improving the efficiency of exhausting smoke.
  • the central axis of the windshield inner cover 200 coincides with the central axis of the windshield cover 100, that is, the central axis of the inner shroud 250 coincides with the central axis of the outer shroud 140.
  • the exhaust gas flow path 220 is an annular shape extending in the circumferential direction of the windshield 50 and the flow area at the same is equal.
  • the windshield cover 100 and the windshield inner cover 200 are separated by a plurality of ribs 300 disposed along the circumferential direction of the exhaust vent 120.
  • each rib 300 is disposed obliquely with respect to the horizontal direction, the upper end of the rib 300 is connected to the upper peripheral edge of the shroud 160, and the lower end of the rib 300 is connected to the outer peripheral edge of the inner cover 250.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be two The internal communication of the components or the interaction of the two components.
  • installation can be understood on a case-by-case basis.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

L'invention concerne un pare-vent (50) et un chauffe-eau à gaz (1) doté dudit pare-vent, le pare-vent (50) comprenant : un couvercle (100) de pare-vent, muni d'une entrée de fumée (110), d'une sortie de fumée (120) et d'un conduit d'air d'échappement (130) ; un couvercle interne (200) de pare-vent disposé dans le couvercle (100) de pare-vent et situé au niveau de la sortie de fumée (120). Une sortie de fumée à sens unique (210) est disposée sur le couvercle interne (200) de pare-vent, et un conduit d'échappement de fumée (220) est défini entre le couvercle interne (200) de pare-vent et le couvercle (100) de pare-vent. Le pare-vent (200) comporte une face de guidage de fumée (230) destinée à diriger l'écoulement d'air, coulant hors du pare-vent (50) par l'intermédiaire de la sortie de fumée à sens unique (210), vers le conduit d'échappement de fumée (220), et une face de guidage d'air (240) destinée à guider l'écoulement d'air, coulant dans le pare-vent (50) par l'intermédiaire du passage d'échappement de fumée (220), vers le conduit d'air d'échappement (130).
PCT/CN2016/113797 2016-12-30 2016-12-30 Pare-vent et chauffe-eau à gaz doté dudit pare-vent Ceased WO2018120151A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/113797 WO2018120151A1 (fr) 2016-12-30 2016-12-30 Pare-vent et chauffe-eau à gaz doté dudit pare-vent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/113797 WO2018120151A1 (fr) 2016-12-30 2016-12-30 Pare-vent et chauffe-eau à gaz doté dudit pare-vent

Publications (1)

Publication Number Publication Date
WO2018120151A1 true WO2018120151A1 (fr) 2018-07-05

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PCT/CN2016/113797 Ceased WO2018120151A1 (fr) 2016-12-30 2016-12-30 Pare-vent et chauffe-eau à gaz doté dudit pare-vent

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WO (1) WO2018120151A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114578A (zh) * 2018-10-25 2019-01-01 泰山学院 一种防止烟气倒灌并可促进室内外空气交换的烟囱罩
CN112212506A (zh) * 2020-09-29 2021-01-12 芜湖美的厨卫电器制造有限公司 管组件和制热设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8004027A (nl) * 1980-07-14 1982-02-16 Willem Jacobus Kleijn Ejector schoorsteenkap.
CN86202225U (zh) * 1986-04-12 1987-04-22 刘美栋 全天候防风罩
TW299824U (en) * 1996-05-17 1997-03-01 Shao-Tai Zhang Air ventilating apparatus of water heater
CN2295123Y (zh) * 1997-04-02 1998-10-21 赖惠玲 燃气热水器排风装置
EP1847787A2 (fr) * 2006-04-20 2007-10-24 Vaillant GmbH Dispositif de sécurité à écoulement pour appareil de chauffage
CN201852117U (zh) * 2010-10-22 2011-06-01 董冠成 一种防风防雨烟囱
CN202092313U (zh) * 2011-03-31 2011-12-28 广东万家乐燃气具有限公司 一种防风烟管
CN102721178A (zh) * 2011-03-30 2012-10-10 蒋绍中 燃气热水器排烟管可调型防风帽
CN105135456A (zh) * 2015-10-08 2015-12-09 北京东方星火能源科技有限公司 万向烟筒防风装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8004027A (nl) * 1980-07-14 1982-02-16 Willem Jacobus Kleijn Ejector schoorsteenkap.
CN86202225U (zh) * 1986-04-12 1987-04-22 刘美栋 全天候防风罩
TW299824U (en) * 1996-05-17 1997-03-01 Shao-Tai Zhang Air ventilating apparatus of water heater
CN2295123Y (zh) * 1997-04-02 1998-10-21 赖惠玲 燃气热水器排风装置
EP1847787A2 (fr) * 2006-04-20 2007-10-24 Vaillant GmbH Dispositif de sécurité à écoulement pour appareil de chauffage
CN201852117U (zh) * 2010-10-22 2011-06-01 董冠成 一种防风防雨烟囱
CN102721178A (zh) * 2011-03-30 2012-10-10 蒋绍中 燃气热水器排烟管可调型防风帽
CN202092313U (zh) * 2011-03-31 2011-12-28 广东万家乐燃气具有限公司 一种防风烟管
CN105135456A (zh) * 2015-10-08 2015-12-09 北京东方星火能源科技有限公司 万向烟筒防风装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114578A (zh) * 2018-10-25 2019-01-01 泰山学院 一种防止烟气倒灌并可促进室内外空气交换的烟囱罩
CN109114578B (zh) * 2018-10-25 2024-02-27 泰山学院 一种防止烟气倒灌并可促进室内外空气交换的烟囱罩
CN112212506A (zh) * 2020-09-29 2021-01-12 芜湖美的厨卫电器制造有限公司 管组件和制热设备

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