CN108302767B - Heat exchange device of gas water heater and gas water heater - Google Patents
Heat exchange device of gas water heater and gas water heater Download PDFInfo
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- CN108302767B CN108302767B CN201711377597.1A CN201711377597A CN108302767B CN 108302767 B CN108302767 B CN 108302767B CN 201711377597 A CN201711377597 A CN 201711377597A CN 108302767 B CN108302767 B CN 108302767B
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- heat exchange
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- burner
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- 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
- F24H9/0005—Details for water 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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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)
Abstract
The invention discloses a heat exchange device of a gas water heater and the gas water heater, which comprise a plurality of heat exchange plates which are vertically arranged, a plurality of burner plates which are arranged between the heat exchange plates in a staggered manner, a water inlet pipeline, a water outlet pipeline and a gas pipeline; the plurality of heat exchange plates are communicated with the water inlet pipeline and the water outlet pipeline; the burner plates are all communicated with a gas pipeline. The heat generated by the burner plate is transferred to the adjacent heat exchange plate in a heat radiation mode, and no other heat transfer medium exists in the middle, so that the heat transfer efficiency between the burner plate and the heat exchange plate is high; the vertical arrangement of combustor board sets up the mode and accords with the principle that hot-air rises, and the flue gas that combustor board produced rises perpendicularly, does benefit to and discharges fume, can improve combustor board and heat transfer board's heat exchange efficiency, has solved the technical problem that current gas heater heat exchange efficiency is low.
Description
Technical Field
The invention belongs to the technical field of gas water heaters, and particularly relates to a heat exchange device of a gas water heater and the gas water heater.
Background
The gas water heater is a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water.
The existing gas water heater mainly adopts an atmospheric combustion mode, gas sprayed out from a burner nozzle is combusted in a combustion chamber, and the gas exchanges heat with water in a heat exchanger in a radiation and convection mode, so that the energy loss is large, and the heat efficiency is low.
Disclosure of Invention
The application provides a heat transfer device and gas heater of gas heater, solves the technical problem that current gas heater heat exchange efficiency is low.
In order to solve the technical problems, the application adopts the following technical scheme:
the heat exchange device of the gas water heater comprises a plurality of heat exchange plates which are vertically arranged, a plurality of burner plates which are arranged between the heat exchange plates in a staggered mode, a water inlet pipeline, a water outlet pipeline and a gas pipeline; the heat exchange plates are communicated with the water inlet pipeline and the water outlet pipeline; the burner plates are all communicated with the gas pipeline.
Further, the burner plate comprises a burner shell with an opening, a metal porous medium plate covering the opening and fins arranged in the burner shell; the combustor shell is provided with a water inlet pipeline through hole and a water outlet pipeline through hole; the water inlet pipeline through hole is used for passing through the water inlet pipeline, and the water outlet pipeline through hole is used for passing through the water outlet pipeline.
Furthermore, the combustor shell is also provided with a diffusion hole communicated with the gas pipeline; the inlet of the diffusion hole is of a circular structure, and the outlet of the diffusion hole is of an oval structure; the outlet area of the diffusion hole is larger than the inlet area of the diffusion hole.
Furthermore, an injection pipe for injecting air is connected to the inlet of the fuel gas pipeline.
Furthermore, an electric regulating valve is arranged on a connecting pipeline between the gas pipeline and each layer of combustor plate.
Furthermore, the metal porous medium plate is made of metal porous medium, metal fiber plate or cordierite.
Further, a set distance is maintained between the heat exchange plate and the burner plate.
Further, the heat exchange plate is of a hollow metal plate-shaped structure.
Furthermore, the surface layer of the heat exchange plate is a herringbone corrugated plate, a horizontal straight corrugated plate or a tumor-shaped plate.
A gas water heater is provided, which comprises the heat exchange device of the gas water heater.
Compared with the prior art, the application has the advantages and positive effects that: in the heat exchange device of the gas water heater and the gas water heater, a plurality of heat exchange plates are vertically arranged, a plurality of burner plates are arranged between the heat exchange plates in a staggered mode, the heat exchange plates are communicated with a water inlet pipeline and a water outlet pipeline, and the burner plates are communicated with the gas pipeline; the heat generated by the burner plate is transferred to the adjacent heat exchange plate in a heat radiation mode, and no other heat transfer medium exists in the middle, so that the heat transfer efficiency between the burner plate and the heat exchange plate is high; the setting mode of the vertical range of burner board accords with the principle that hot air rises, and the flue gas that the burner board produced rises perpendicularly, does benefit to and discharges fume, can improve the heat exchange efficiency of burner board and heat transfer board, has solved the technical problem that current gas heater heat exchange efficiency is low, and the modularized design of burner board and heat transfer board, can make up the design at will according to the actual design of water heater.
In the embodiment of the application, the gas inlet of the burner plate is provided with the diffusion hole, and the gas pressure can be improved by combining the fin arranged in the burner plate, so that the capability of the gas entering the metal porous medium plate is increased, and the gas is fully combusted; the gas is injected at the inlet of the gas pipeline through the injection pipe, so that the air quantity entering the combustion pipeline is large, and the full combustion can be realized without secondary air; an electric regulating valve is arranged on a pipeline connected between the gas pipeline and each layer of combustor plate, so that power regulation within a range enlarged by the water heater can be realized; all contribute to gas heater's heat exchange efficiency.
Other features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchange device of a gas water heater according to the present application;
FIG. 2 is a schematic diagram of the component mechanism of the burner plate proposed in the present application;
fig. 3 is a schematic structural view of a heat exchange plate proposed in the present application;
fig. 4 is a schematic structural diagram of a gas pipeline proposed in the present application.
Detailed Description
The following describes embodiments of the present application in further detail with reference to the accompanying drawings.
As shown in fig. 1, the heat exchange device of a gas water heater provided by the present application includes a plurality of heat exchange plates 11 arranged vertically, a plurality of burner plates 12 arranged between the heat exchange plates 11 in a staggered manner, a water inlet pipeline 13, a water outlet pipeline 14, and a gas pipeline 15; the heat exchange plates 11 are communicated with a water inlet pipeline 13 and a water outlet pipeline 14; the burner plates 12 are all in communication with a gas line 15.
As can be seen from the above, the plurality of heat exchange plates are vertically arranged, the plurality of burner plates are arranged between the heat exchange plates in a staggered manner, heat generated by the burner plates is transferred to the adjacent heat exchange plates in a thermal radiation manner, and no other heat transfer medium exists in the middle, so that the heat transfer efficiency between the burner plates and the heat exchange plates is high; and the vertical arrangement's of combustor board the mode of setting up accords with the principle that hot-air rises, and the flue gas that combustor board produced rises perpendicularly, does benefit to and discharges fume, can improve combustor board and heat transfer board's heat exchange efficiency to the technical problem that current gas heater heat exchange efficiency is low has been solved.
And, in this application embodiment, the modularized design of combustor board and heat transfer board can be according to the arbitrary integrated design of the actual design of water heater for the heat transfer device's of gas heater that this application provided range of application is wider.
As shown in fig. 2, the burner plate 12 proposed by the present application includes a burner housing 121 opened with an opening, a metal porous medium plate 122 covering the opening, and a fin 123 disposed in the burner housing; the burner housing 121 is provided with a water inlet pipe through hole 124 and a water outlet pipe through hole 125, the water inlet pipe through hole 124 is used for passing through the water inlet pipe 13, and the water outlet pipe through hole 125 is used for passing through the water outlet pipe 14; the water inlet through hole 124 and the water outlet through hole 125 are opened at both ends of the burner plate 12, respectively.
A diffusion hole 126 communicated with the gas pipeline 15 is also formed in the side surface of the combustor shell 12; the diffuser holes 126 have a circular configuration at the entrance and an elliptical configuration at the exit with an exit area greater than the entrance area.
The metal porous medium plate 122 is a gas combustion reaction part, gas is completely combusted in the metal porous medium under the action of the catalyst, no open fire appears on the surface, no tempering phenomenon exists, the gas is fully combusted, and harmful gases such as carbon monoxide are not generated. The set distance between the metal porous medium plate 122 and the adjacent heat exchange plate 11 is small, heat generated by combustion is mainly transferred to the heat exchange plate in a heat radiation mode, other heat transfer media do not exist in the middle, and the heat transfer efficiency is high. The metal porous medium plate 122 is made of metal porous medium, but may be made of materials including, but not limited to, metal fiber, cordierite, etc. The metal porous medium plate 122 is fixed on the open mouth of the burner housing 121, and the bottom is supported by the fin 123.
Fin 123 evenly distributed is inside combustor casing 121, the gas that comes in from gas pipeline 15 at first passes through diffusion hole 126, because diffusion hole 126 entry is circular, the export is the circular big ellipse of area comparison, make the gas reduce the gas speed because of the circulation cross-section enlargies suddenly after through diffusion hole 126, gas pressure increases, thereby the ability that the gas got into metal porous medium board 121 has been increased, and install equipartition fin 123 in diffusion hole 126 export, make the even arrival metal porous medium board 121 of gas, the gas burning is more abundant, place metal porous medium board 121 and appear the deflected fire, the problem of tempering.
As shown in fig. 1 and 4, an injection pipe 151 for injecting air is connected to an inlet of the gas pipeline 15, the gas is injected by the injection pipe 151 to bring in a certain amount of primary air, and the primary air is fully premixed in the gas pipeline, and the amount of primary air injected by the injection pipe 151 is large enough, so that a secondary air inlet does not need to be separately arranged in the burner plate 12, and the gas combustion efficiency is high.
As shown in fig. 4, the electric control valves 152 are disposed on the connection pipeline between the gas pipeline 15 and each layer of burner panel 12, and these electric control valves 152 can control the gas amount of the burner panel respectively, so as to realize that the water heater has a large power adjustment range, effectively avoid the problem of too little or excessive hot water, and achieve the technical effect of saving energy.
As shown in fig. 3, the heat exchange plate 11 proposed by the present application is a hollow metal plate-shaped structure, and the surface layer of the heat exchange plate is a herringbone corrugated plate, a horizontal straight corrugated plate, or a tumor-shaped plate structure, which is used to increase the heat exchange area; the material of the heat exchange plate 11 includes, but is not limited to, copper, alloy, etc.; the heat exchange plate is communicated with the water inlet pipeline 13 and the water outlet pipeline 14 through the through hole 110, water with certain pressure is introduced into the water inlet pipeline 13, the water forcibly flows in the hollow structure in the heat exchange plate, and the water respectively exchanges heat with the adjacent burner plates and flows into a user side through the water outlet pipeline 14.
Based on the heat exchange device of the gas water heater, the application also protects the gas water heater, and the heat exchange device of the gas water heater is applied. In the heat exchange device, a plurality of heat exchange plates are vertically arranged, a plurality of burner plates are arranged among the heat exchange plates in a staggered manner, heat generated by the burner plates is transferred to adjacent heat exchange plates in a heat radiation manner, and no other heat transfer medium exists in the middle of the heat exchange plates, so that the heat transfer efficiency between the burner plates and the heat exchange plates is high; the setting mode of the vertical range of burner board accords with the principle that hot air rises, and the flue gas that the burner board produced rises perpendicularly, does benefit to and discharges fume, can improve the heat exchange efficiency of burner board and heat transfer board, has solved the technical problem that current gas heater heat exchange efficiency is low, and the modularized design of burner board and heat transfer board, can make up the design at will according to the actual design of water heater.
The gas inlet of the burner plate is provided with a diffusion hole, and the diffusion hole is combined with a fin arranged in the burner plate, so that the gas pressure can be improved, the capability of the gas entering the metal porous medium plate is increased, and the gas is fully combusted; the gas is injected at the inlet of the gas pipeline through the injection pipe, so that the air quantity entering the combustion pipeline is large, and the full combustion can be realized without secondary air; an electric regulating valve is arranged on a pipeline connected between the gas pipeline and each layer of combustor plate, so that power regulation within a range enlarged by the water heater can be realized; all contribute to gas heater's heat exchange efficiency.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. The heat exchange device of the gas water heater is characterized by comprising a plurality of heat exchange plates which are vertically arranged, a plurality of burner plates which are arranged between the heat exchange plates in a staggered manner, a water inlet pipeline, a water outlet pipeline and a gas pipeline;
the heat exchange plates are communicated with the water inlet pipeline and the water outlet pipeline; the plurality of burner plates are communicated with the gas pipeline; the burner plate comprises a burner shell with an opening, a metal porous medium plate covering the opening and fins arranged in the burner shell;
the combustor shell is provided with a water inlet pipeline through hole and a water outlet pipeline through hole;
the water inlet pipeline through hole is used for passing through the water inlet pipeline, and the water outlet pipeline through hole is used for passing through the water outlet pipeline.
2. The heat exchange device of the gas water heater according to claim 1, wherein the burner housing is further provided with a diffuser hole communicated with the gas pipeline;
the inlet of the diffusion hole is of a circular structure, and the outlet of the diffusion hole is of an oval structure; the outlet area of the diffusion hole is larger than the inlet area of the diffusion hole.
3. The heat exchange device of the gas water heater as claimed in claim 1, wherein an injection pipe for injecting air is connected to the inlet of the gas pipeline.
4. The heat exchange device of the gas water heater as claimed in claim 1, wherein an electric control valve is disposed on the connection pipeline between the gas pipeline and each layer of burner plate.
5. The heat exchange device of the gas water heater according to claim 1, wherein the metal porous medium plate is made of metal porous medium, metal fiber plate or cordierite.
6. The heat exchange device of a gas water heater of claim 1, wherein a set distance is maintained between the heat exchange plate and the burner plate.
7. The heat exchange unit of a gas water heater of claim 1, wherein the heat exchange plate is a hollow metal plate-like structure.
8. The heat exchange unit of a gas water heater according to claim 7, wherein the surface layer of the heat exchange plate is a herringbone corrugated plate, a horizontal flat corrugated plate, or a knobbed plate.
9. Gas water heater characterized in that it comprises a heat exchange device of a gas water heater according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377597.1A CN108302767B (en) | 2017-12-19 | 2017-12-19 | Heat exchange device of gas water heater and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377597.1A CN108302767B (en) | 2017-12-19 | 2017-12-19 | Heat exchange device of gas water heater and gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108302767A CN108302767A (en) | 2018-07-20 |
| CN108302767B true CN108302767B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377597.1A Active CN108302767B (en) | 2017-12-19 | 2017-12-19 | Heat exchange device of gas water heater and gas water heater |
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| CN (1) | CN108302767B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692754A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613687Y (en) * | 2003-01-06 | 2004-04-28 | 凤城市大方能源技术有限责任公司 | Horizontal multi-layer combustion chamber heat-pipe type water-boiling boiler |
| CN1720414A (en) * | 2002-10-01 | 2006-01-11 | 动力技术工业有限公司 | Multiple plate combustor |
| CN2851870Y (en) * | 2005-06-23 | 2006-12-27 | 罗添翼 | Infrared metal honeycomb burner used on gas appliance |
| CN101358771A (en) * | 2008-09-08 | 2009-02-04 | 中山华帝燃具股份有限公司 | Plate heat exchanger for condensing gas water heater |
| CN103105090A (en) * | 2013-01-25 | 2013-05-15 | 胡桂林 | Heat exchange plate set and plate type heat exchanger |
| CN104296367A (en) * | 2014-09-29 | 2015-01-21 | 陈亚景 | Infrared gas water heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5299948B2 (en) * | 2008-03-04 | 2013-09-25 | リンナイ株式会社 | Combustion device |
-
2017
- 2017-12-19 CN CN201711377597.1A patent/CN108302767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1720414A (en) * | 2002-10-01 | 2006-01-11 | 动力技术工业有限公司 | Multiple plate combustor |
| CN2613687Y (en) * | 2003-01-06 | 2004-04-28 | 凤城市大方能源技术有限责任公司 | Horizontal multi-layer combustion chamber heat-pipe type water-boiling boiler |
| CN2851870Y (en) * | 2005-06-23 | 2006-12-27 | 罗添翼 | Infrared metal honeycomb burner used on gas appliance |
| CN101358771A (en) * | 2008-09-08 | 2009-02-04 | 中山华帝燃具股份有限公司 | Plate heat exchanger for condensing gas water heater |
| CN103105090A (en) * | 2013-01-25 | 2013-05-15 | 胡桂林 | Heat exchange plate set and plate type heat exchanger |
| CN104296367A (en) * | 2014-09-29 | 2015-01-21 | 陈亚景 | Infrared gas water heater |
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| Publication number | Publication date |
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| CN108302767A (en) | 2018-07-20 |
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Effective date of registration: 20210422 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |
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