CN202521864U - Double air inlet heat exchanger for condensing gas water heater - Google Patents
Double air inlet heat exchanger for condensing gas water heater Download PDFInfo
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- CN202521864U CN202521864U CN2012200387720U CN201220038772U CN202521864U CN 202521864 U CN202521864 U CN 202521864U CN 2012200387720 U CN2012200387720 U CN 2012200387720U CN 201220038772 U CN201220038772 U CN 201220038772U CN 202521864 U CN202521864 U CN 202521864U
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- condensed water
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- heat exchanger
- water heater
- air intake
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- 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]
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Abstract
本实用新型公开了冷凝式燃气热水器双进风换热装置，包括外壳、冷凝水收集盒、冷凝换热器和集烟罩，所述外壳为两端直通结构，所述冷凝水收集盒的侧壁上设置有烟气入口，其底部设置有冷凝水出水管，所述烟气入口内侧的正上方设置有防止冷凝水从烟气入口流出的冷凝水挡板，所述集烟罩上设置有烟气出口，所述冷凝水收集盒设置在所述外壳内，所述冷凝换热器设置在所述冷凝水收集盒内，所述集烟罩扣设在所述冷凝水收集盒上，并将所述冷凝换热器封闭在内。本实用新型解决了现有冷凝式燃气热水器的热交换器换热效率低、冷凝水外溢腐蚀热交换器、气流不畅致烟气中CO含量过高等问题，具有换热效率高、气流顺畅、排放的烟气中的CO和NOX含量低、避免了冷凝水外溢、易于制造的优点。
The utility model discloses a double-inlet air heat exchange device for a condensing gas water heater, which comprises a shell, a condensed water collecting box, a condensing heat exchanger and a smoke collecting hood. A flue gas inlet is arranged on the wall, and a condensed water outlet pipe is arranged at the bottom of the flue gas inlet. A condensed water baffle is arranged directly above the inside of the flue gas inlet to prevent condensed water from flowing out of the flue gas inlet. The smoke collecting hood is provided with The flue gas outlet, the condensed water collection box is set in the shell, the condensation heat exchanger is set in the condensed water collection box, the smoke collecting hood is buckled on the condensed water collection box, and The condensing heat exchanger is enclosed inside. The utility model solves the problems of low heat exchange efficiency of the heat exchanger of the existing condensing gas water heater, overflow of condensed water corrodes the heat exchanger, and excessive CO content in the flue gas due to poor air flow, and has the advantages of high heat exchange efficiency, smooth air flow, The content of CO and NO X in the exhausted flue gas is low, the overflow of condensed water is avoided, and the advantages are easy to manufacture.
Description
Technical field
The utility model relates to the heat-exchanger rig of condensed type combustion gas water heater.
Background technology
General gas water heater rated power when burning, flue-gas temperature usually about 180 ℃, CO, NO
XContent higher, the heat energy that also contains in the steam in the high-temperature flue gas about 15% is discharged into outdoor.Existing condensing type water heater has improved efficient through condensing heat-exchange, but the corrosion of condensed water can influence the service life of product.Reclaim latent heat to raise the efficiency, energy-conserving and environment-protective are very effective, the corrosion that reduces condensed water is to there being important meaning the service life of improving product.
Combustion gas can produce a large amount of steam when burning, according to measuring and calculating, 1m
3Natural gas when completing combustion, can produce the water of 1.6Kg, common water heater contains a large amount of steam in discharged flue gas, if reclaim the latent heat in this part steam, then both improved efficient, has practiced thrift the energy again, has also protected environment simultaneously.Two kinds of condensed heat exchangers have appearred at present; One of which: adopt copper pipe and fin and shell to form, though reached the effect of condensation, because structure is limit; Have influence on heat exchange efficiency one time; And air-flow freely do not cause CO content in smoke too high, self do not prevent effectively that in addition condensed water from getting into the structure of heat exchanger, makes that the service life of a heat exchanger is shorter.Its two: adopt corrugated stainless steel tubing, middle additional condensed water collecting device though efficiently solve anticorrosion problem, has manufacture difficulty big, processing cost height, shortcoming such as heat exchange efficiency is not high, and is bulky.
The utility model content
The purpose of the utility model provides the two air intake heat-exchanger rigs of a kind of condensed type combustion gas water heater, and, condensed water excessive corrosion heat exchanger low with the heat exchanger heat exchange efficiency that solves existing condensed type combustion gas water heater, air-flow freely do not cause problems such as CO content in smoke is too high, manufacture difficulty is big.
The purpose of the utility model realizes through following technical scheme:
The two air intake heat-exchanger rigs of a kind of condensed type combustion gas water heater; Comprise condensed water collection box, condensing heat exchanger and exhaust fume collecting hood, the sidewall that said condensed water is collected box is provided with smoke inlet, and its bottom is provided with the condensed water outlet pipe; Said exhaust fume collecting hood is provided with exhanst gas outlet; Said condensing heat exchanger is arranged on said condensed water and collects in the box, and said exhaust fume collecting hood be located in said condensed water and collects on the box, and in said condensing heat exchanger is enclosed in.
Preferably, said condensed water is collected box and is the cuboid flute profile, is provided with smoke inlet on the two side of its length direction.
Preferably, said smoke inlet inboard directly over be provided with the condensed water baffle plate that prevents that condensed water from flowing out from smoke inlet.
Preferably, said smoke inlet is rectangle, and its length direction is identical with the length direction of said condensed water collection box.
Preferably, the length of said condensed water baffle plate is equal to or greater than the length of said smoke inlet, and the projection of its edge in horizontal plane blocked said smoke inlet fully.
Preferably, said condensing heat exchanger supports through said condensed water baffle plate and is arranged in the said condensed water collection box.
Preferably, the two air intake heat-exchanger rigs of said condensed type combustion gas water heater also comprise shell, and said shell is the two ends bypass structure, and said condensed water is collected box and is arranged in the said shell.
Preferably; Two ends straight-through on the said shell all have flange portion; The top that said condensed water is collected box has flange portion; Said exhanst gas outlet is arranged on the center of top of said exhaust fume collecting hood, and the bottom of said exhaust fume collecting hood has flange portion, and said shell, condensed water are collected box and be connected through its flange portion and securing member with the exhaust fume collecting hood three.
Preferably, said condensing heat exchanger is welded by above copper pipe and the copper sheet of two rows.
Preferably, said condensed water collection box is processed by stainless steel.
The operation principle of the utility model is: utilize the condensed water that is provided with smoke inlet on the two side to collect the exhaust fume collecting hood that box and center of top are provided with exhanst gas outlet; Make flue gas smooth and easy, carry out contact heat-exchanging with condensing heat exchanger fully; Reduce the influence of condensing heat exchanger to a heat exchange; Improve heat exchange efficiency, effectively avoid the excessive corrosion of condensed water simultaneously heat exchanger.
The beneficial effect of the utility model is: heat exchange efficiency is up to CO, NO more than 103.2%, in low, the airflow smooth of energy savings, exhaust gas temperature, discharged flue gas
XContent is low; Avoided the excessive corrosion of condensed water to heat exchanger; Simple in structure, be easy to make, processing cost is low.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the decomposition texture sketch map of the two air intake heat-exchanger rigs of condensed type combustion gas water heater of the utility model embodiment.
Fig. 2 is the sectional structure sketch map of the two air intake heat-exchanger rigs of condensed type combustion gas water heater shown in Figure 1.
Among the figure: 1, shell; 2, condensed water is collected box; 21, smoke inlet; 22, condensed water outlet pipe; 23, condensed water baffle plate; 3, condensing heat exchanger; 4, exhaust fume collecting hood; 41, exhanst gas outlet.
The specific embodiment
Shown in Fig. 1～2; The two air intake heat-exchanger rigs of the condensed type combustion gas water heater of present embodiment comprise shell 1, condensed water collection box 2, condensing heat exchanger 3 and exhaust fume collecting hood 4, and said shell 1 is the two ends bypass structure; The sidewall that said condensed water is collected box 2 is provided with smoke inlet 21; Its bottom is provided with condensed water outlet pipe 22, is provided with the condensed water baffle plate 23 that prevents that condensed water from flowing out from smoke inlet 21 directly over said smoke inlet 21 inboards, and said exhaust fume collecting hood 4 is provided with exhanst gas outlet 41; Said condensed water is collected box 2 and is arranged in the said shell 1; Said condensing heat exchanger 3 is arranged on said condensed water and collects in the box 2, and said exhaust fume collecting hood 4 be located in said condensed water and collects on the box 2, and in said condensing heat exchanger 3 is enclosed in.
Said condensed water is collected box 2 and is the cuboid flute profile; Be provided with smoke inlet 21 on the two side of its length direction; Said smoke inlet 21 is rectangle, and its length direction is identical with the length direction of said condensed water collection box 2, and the length of said condensed water baffle plate 23 is equal to or greater than the length of said smoke inlet 21; The projection of its edge in horizontal plane blocked said smoke inlet 21 fully; Said condensing heat exchanger 3 supports through said condensed water baffle plate 23 and is arranged in the said condensed water collection box 2, and flue gas helps abundant heat exchange through the bottom of condensed water baffle plate 23 directed toward condenser.
Two ends straight-through on the said shell 1 all have flange portion; The top that said condensed water is collected box 2 has flange portion; Said exhanst gas outlet 41 is arranged on the center of top of said exhaust fume collecting hood 4; The bottom of said exhaust fume collecting hood 4 has flange portion, and said shell 1, condensed water are collected box 2 and be connected through its flange portion and securing member with exhaust fume collecting hood 4 threes.
Said condensing heat exchanger 3 is welded by above copper pipe and the copper sheet of two rows.
Said condensed water is collected box 2 and is processed by stainless steel.
The workflow of the two air intake heat-exchanger rigs of the condensed type combustion gas water heater of the utility model embodiment is: high-temperature flue gas warm flue gas during temperature is reduced to during via heat exchanger; When cold water by water inlet pipe during to outlet pipe; In warm flue gas locate to arrive B (D) by A (C) earlier and locate through smoke inlet 21; Carry out heat exchange with water pipe and the fin that is connected water pipe; Cold water becomes warm water inflow heat exchanger pipeline after absorbing heat, and middle temperature flue-gas temperature arrives the E place after being reduced to low-temperature flue gas, discharges via exhanst gas outlet 41 at last.Warm flue gas during high-temperature flue-gas is reduced to gets into condenser A (C), B (D); The E place carries out a heat exchange; Water vapour in the flue gas becomes condensed water at condensing heat exchanger 3 water pipes and fin surface, flows to condensed water along fin and collects box 2 bottoms, flows out along condensed water outlet pipe 22 again.
Use this device can make the thermal efficiency of general gas water heater improve 10～15%, exhaust gas temperature is reduced to about 80 ℃, reduces CO and NO
XDischarging can be avoided the excessive corrosion to heat exchanger of condensed water simultaneously.
The heat exchanger heat exchange efficiency that the utility model has solved existing condensed type combustion gas water heater is low, the excessive corrosion heat exchanger of condensed water, air-flow freely do not cause the problem that CO content in smoke is too high, manufacture difficulty is big, has that heat exchange efficiency height, energy savings, exhaust gas temperature are low, CO and a NO in the airflow smooth, discharged flue gas
XContent is low, avoided the excessive burn into of condensed water to heat exchanger simple in structure, be easy to make the advantage that processing cost is low.
Claims (10)
1. two air intake heat-exchanger rigs of a condensed type combustion gas water heater; It is characterized in that: comprise condensed water collection box, condensing heat exchanger and exhaust fume collecting hood, the sidewall that said condensed water is collected box is provided with smoke inlet, and its bottom is provided with the condensed water outlet pipe; Said exhaust fume collecting hood is provided with exhanst gas outlet; Said condensing heat exchanger is arranged on said condensed water and collects in the box, and said exhaust fume collecting hood be located in said condensed water and collects on the box, and in said condensing heat exchanger is enclosed in.
2. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 1 is characterized in that: said condensed water is collected box and is the cuboid flute profile, is provided with smoke inlet on the two side of its length direction.
3. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 1 is characterized in that: be provided with the condensed water baffle plate that prevents that condensed water from flowing out from smoke inlet directly over the said smoke inlet inboard.
4. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 2, it is characterized in that: said smoke inlet is rectangle, and its length direction is identical with the length direction of said condensed water collection box.
5. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 3, it is characterized in that: the length of said condensed water baffle plate is equal to or greater than the length of said smoke inlet, and the projection of its edge in horizontal plane blocked said smoke inlet fully.
6. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 3 is characterized in that: said condensing heat exchanger supports through said condensed water baffle plate and is arranged in the said condensed water collection box.
7. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 1, it is characterized in that: also comprise shell, said shell is the two ends bypass structure, said condensed water is collected box and is arranged in the said shell.
8. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 7; It is characterized in that: two ends straight-through on the said shell all have flange portion; The top that said condensed water is collected box has flange portion; Said exhanst gas outlet is arranged on the center of top of said exhaust fume collecting hood, and the bottom of said exhaust fume collecting hood has flange portion, and said shell, condensed water are collected box and be connected through its flange portion and securing member with the exhaust fume collecting hood three.
9. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 1 is characterized in that: said condensing heat exchanger is welded by above copper pipe and the copper sheet of two rows.
10. the two air intake heat-exchanger rigs of condensed type combustion gas water heater according to claim 1, it is characterized in that: said condensed water is collected box and is processed by stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200387720U CN202521864U (en) | 2012-02-07 | 2012-02-07 | Double air inlet heat exchanger for condensing gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200387720U CN202521864U (en) | 2012-02-07 | 2012-02-07 | Double air inlet heat exchanger for condensing gas water heater |
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| Publication Number | Publication Date |
|---|---|
| CN202521864U true CN202521864U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200387720U Expired - Fee Related CN202521864U (en) | 2012-02-07 | 2012-02-07 | Double air inlet heat exchanger for condensing gas water heater |
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| CN (1) | CN202521864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589128A (en) * | 2012-02-07 | 2012-07-18 | 海尔集团公司 | Double air inlet heat exchanger for condensing gas water heater |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| WO2022262406A1 (en) * | 2021-06-15 | 2022-12-22 | 中国科学院过程工程研究所 | Gas premixing sealing cover capable of double-side intake and circulating system for flue gas of sintering machine |
-
2012
- 2012-02-07 CN CN2012200387720U patent/CN202521864U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589128A (en) * | 2012-02-07 | 2012-07-18 | 海尔集团公司 | Double air inlet heat exchanger for condensing gas water heater |
| CN102589128B (en) * | 2012-02-07 | 2017-07-28 | 海尔集团公司 | Double air inlet heat exchanger for condensing gas water heater |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| WO2022262406A1 (en) * | 2021-06-15 | 2022-12-22 | 中国科学院过程工程研究所 | Gas premixing sealing cover capable of double-side intake and circulating system for flue gas of sintering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20210207 |