CN201897322U - Secondary heat exchanger of condensing type domestic gas quick water heater - Google Patents
Secondary heat exchanger of condensing type domestic gas quick water heater Download PDFInfo
- Publication number
- CN201897322U CN201897322U CN2010206624788U CN201020662478U CN201897322U CN 201897322 U CN201897322 U CN 201897322U CN 2010206624788 U CN2010206624788 U CN 2010206624788U CN 201020662478 U CN201020662478 U CN 201020662478U CN 201897322 U CN201897322 U CN 201897322U
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- CN
- China
- Prior art keywords
- heat exchange
- end cover
- exhaust pipe
- smoke exhaust
- heat
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- 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.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000000779 smoke Substances 0.000 claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000003546 flue gas Substances 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 12
- 230000000630 rising effect Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a secondary heat exchanger of a condensing type household gas instantaneous water heater, which comprises a sealed shell, a heat exchange assembly and a smoke exhaust pipe, wherein the shell consists of a circular inner cavity and an outer cavity, the circular inner cavity is communicated with the top of the outer cavity, an air inlet for high-temperature smoke to enter after primary heat exchange is arranged on the outer cavity, and a condensed water outlet is arranged at the bottom end of the circular inner cavity; the heat exchange assembly consists of a heat exchange body, an upper end cover and a lower end cover, wherein waterway dense gaskets are respectively arranged between the upper end cover and the heat exchange body and between the lower end cover and the heat exchange body; the heat exchange assembly is arranged in the circular inner cavity, the lower part of the smoke exhaust pipe penetrates through the heat exchange assembly, the lower end of the smoke exhaust pipe is arranged at the lower part in the heat exchanger, and the upper end of the smoke exhaust pipe penetrates through the upper part of the shell.
Description
[technical field]
The utility model patent relates to a kind of condensing domestic gas instantaneous water heater secondary heat exchange device.
[background technology]
Improve condensation heat hydrophone secondary heat exchange efficient, solve following problem:
1, guarantees that flue gas flow direction is downward in the heat transfer process.Can produce condensed water after the flue gas cooling, condensed water drippage direction is downward all the time, if flue gas flow direction and condensed water drippage direction are angled, all be unfavorable for the discharging of condensed water, can form liquid film on the fin surface, flue gas flow direction and condensed water drippage angular separation are big more, liquid film is thick more, and the heat exchange effect is poor more, in the existing structure, flue gas flow direction is opposite with condensed water drippage direction, thereby heat exchanging is very unfavorable.
2, flue gas evenly flows through each fin.There is uneven problem in the existing structure more or less.
3, reduce the maximal heat transfer distance.The utility model has solved above problem well.
[utility model content]
The utility model has overcome the deficiencies in the prior art, and the condensing domestic gas instantaneous water heater secondary heat exchange device of a kind of good effect of heat exchange, practicality is provided.
In order to solve the technical problem of above-mentioned existence, the utility model adopts related art scheme:
A kind of condensing domestic gas instantaneous water heater secondary heat exchange device, comprise Packed shell, heat-exchanging component and smoke exhaust pipe, be characterised in that described shell is made up of round cavity and exocoel, round cavity is connected with the top of exocoel, allow the air inlet that high-temperature flue gas enters after a heat exchange being provided with on the exocoel, be provided with condensation-water drain in the bottom of round cavity; Described heat-exchanging component is made up of heat exchange body, upper end cover, bottom end cover, between upper end cover and the heat exchange body, all establish the water route gasket between bottom end cover and the heat exchange body, inside and outside axially interior heat exchange fin of circular row respectively of heat exchange body and outer heat exchange fin, be provided with the waterway channel that a plurality of circular array are arranged in the middle of interior heat exchange fin and the outer heat exchange fin, on upper end cover and bottom end cover, be respectively equipped with the hook groove, on bottom end cover, be provided with water inlet pipe and outlet pipe; Described heat-exchanging component is contained in the round cavity, and heat-exchanging component is passed in the smoke exhaust pipe bottom, and the smoke exhaust pipe lower end places the bottom in the heat exchange body, and shell upper is passed in the upper end of smoke exhaust pipe.
Aforesaid a kind of condensing domestic gas instantaneous water heater secondary heat exchange device is characterised in that the smoke exhaust pipe lower end is roughly concordant with heat exchange body lower end.
Aforesaid a kind of condensing domestic gas instantaneous water heater secondary heat exchange device, the bottom that is characterised in that described shell is integral body or split.
Aforesaid a kind of condensing domestic gas instantaneous water heater secondary heat exchange device, be characterised in that between the upper end cover and heat exchange body of described heat-exchanging component, between bottom end cover and the heat exchange body with screw attachment or welding.
The utility model compared with prior art has the utility model following advantage is arranged:
1, not being both of a secondary heat exchange and a heat exchange maximum: secondary heat exchange has condensed water and produces, condensed water drippage direction is downward all the time, when flue gas flow direction is identical with condensed water drippage direction, can quicken condensed water and break away from heat exchanger fin, even condensed water produces liquid film on the heat exchanger fin surface, flue gas also can make thinning of liquid film, and liquid film is thin more, helps heat exchange more; Otherwise when flue gas flow direction was opposite with condensed water drippage direction, condensed water was difficult for breaking away from heat exchanger fin, can make condensed water form thick liquid film on the heat exchanger fin surface, and liquid film is thick more, is unfavorable for heat exchange more.Thereby want to improve heat exchange efficiency, and in heat transfer process, require flue gas flow direction promptly identical downwards with condensed water drippage direction, this structure has just solved this problem very dexterously.
2, secondly, because the axial heat exchange fin of each circular row is arranged ringwise, adjacent heat exchange fin forms passage aisle, and the resistance of each passage aisle is basic identical, thereby can guarantee that flue gas evenly by each sheet heat exchanger fin, helps improving heat exchange efficiency.
3, its three arrange because the heat exchange fin is an internal and external double-circular, under the situation that guarantees the identical exhaust gases passes gross area and the heat exchanger fin gross area, can shorten the radical length of heat exchanger fin greatly, reduced the maximal heat transfer distance, also help improving heat exchange efficiency.
4, its four; structure of the present utility model can utilize blast switch to realize condensation water route obstruction defencive function; and need not increase any device; because when condensate line stops up; condensed water liquid level in the liquid trap can very fast rising, will stop up exhaust gases passes when rising to certain altitude, and the smoke evacuation resistance increases; blast switch disconnects, and realizes protection automatically.
[description of drawings]
Fig. 1 is an exploded view of the present utility model;
Fig. 2 is a profile of the present utility model;
Fig. 3 is the profile of the utility model monolithic case;
Fig. 4 is the stereogram of the utility model heat exchange group;
Fig. 5 is the exploded view of heat-exchanging component;
Fig. 6 is the profile of smoke pipe;
Fig. 7 is the water route expanded view of annular heat exchange body;
Fig. 8 is the profile of the utility model branch body case.
[specific embodiment]
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
A kind of condensing domestic gas instantaneous water heater secondary heat exchange device comprises Packed shell 1, heat-exchanging component 2 and smoke exhaust pipe 3.Described shell 1 is made up of round cavity 11 and exocoel 12, and described round cavity 11 promptly is a heat exchanging chamber, and described exocoel 12 is the flue gas diversion cavity.Round cavity 11 and exocoel 12 except its top is connected, other local isolation of round cavity 11 and exocoel 12.Shown in Fig. 2,3,8.
Wherein, the bottom of shell 1 can be divided and thinks monoblock type, also can be for split type.
Allow the air inlet 121 that high-temperature flue gas enters after a heat exchange being provided with on the exocoel 12, be provided with the condensation-water drain 112 that allows condensed water flow out in the bottom of round cavity 11.Described heat-exchanging component 2 is made up of heat exchange body 21, upper end cover 22, bottom end cover 23.Between upper end cover 22 and the heat exchange body 21, all establish water route gasket 24 between bottom end cover 23 and the heat exchange body 21.
Heat-exchanging component 2 is contained in the round cavity, and heat-exchanging component is passed in smoke exhaust pipe 3 bottoms, and smoke exhaust pipe 3 lower ends place the bottom in the heat exchange body 21, and shell 1 top is passed in the upper end of smoke exhaust pipe 3.As the optimal way of present case, smoke exhaust pipe 3 lower ends are big to concordant with heat exchange body 21 lower ends, and row as shown in Figure 2.
High-temperature flue gas after the heat exchange enters exocoel 12 through air inlet 121, and the combustion back evenly enters heat-exchanging component 2 heat exchange downwards by shell upper, and the cold flue gas behind secondary heat exchange is discharged by smoke exhaust pipe.Because flue gas flow direction is identical with condensed water drippage direction, stoped the formation of fin surface liquid film to greatest extent.
The fin internal and external double-circular is arranged, under the situation that guarantees the exhaust gases passes area and the fin gross area, has reduced fin length widely, thereby has reduced heat transfer distances widely.Flue gas equates all that by the distance between fin each passage aisle resistance is identical, thereby flue gas can evenly flow through each fin, thereby has improved the heat exchange effect widely.
The condensed water that produces in heat transfer process is collected by round cavity 11 bottoms of shell 1, drains from the condensation-water drain 112 of round cavity 11.As shown in Figure 2, the arrow among the figure promptly is the gas trend, and the big arrow among the figure promptly is the flow direction of condensed water.
Certain space is left in heat-exchanging component 2 bottoms and shell 1 bottom; under the unimpeded situation of condensate line; cold flue gas after the heat exchange can enter smoke exhaust pipe 3 by this space; under the situation that condensate line stops up; this space water that is condensed is filled; the smoke evacuation resistance increases, and blast switch disconnects, and realizes protection automatically.
The utility model can utilize blast switch to realize condensation water route obstruction defencive function; and need not increase any device; because when condensate line stops up; condensed water liquid level in the liquid trap can very fast rising; to stop up exhaust gases passes when rising to certain altitude; the smoke evacuation resistance increases, and blast switch disconnects, and realizes protection automatically.
Claims (4)
1. condensing domestic gas instantaneous water heater secondary heat exchange device, comprise Packed shell (1), heat-exchanging component (2) and smoke exhaust pipe (3), be characterised in that described shell (1) is made up of round cavity (11) and exocoel (12), round cavity (11) is connected with the top of exocoel (12), on exocoel (12), be provided with and allow the air inlet that high-temperature flue gas enters after a heat exchange (121), be provided with condensation-water drain (112) in the bottom of round cavity (11); Heat-exchanging component (2) is by heat exchange body (21), upper end cover (22), bottom end cover (23) is formed, between upper end cover (22) and the heat exchange body (21), all establish water route gasket (24) between bottom end cover (23) and the heat exchange body (21), in the heat exchange body (21), axially interior heat exchange fin (211) of outer circular row respectively and outer heat exchange fin (212), be provided with the waterway channel (213) that a plurality of circular array are arranged in the middle of interior heat exchange fin (211) and the outer heat exchange fin (212), on upper end cover (22) and bottom end cover (23), be respectively equipped with hook groove (224), on bottom end cover (23), be provided with water inlet pipe (231) and outlet pipe (232); Heat-exchanging component (2) is contained in the round cavity, and heat-exchanging component is passed in smoke exhaust pipe (3) bottom, and smoke exhaust pipe (3) lower end places the bottom in the heat exchange body (21), and shell (1) top is passed in the upper end of smoke exhaust pipe (3).
2. a kind of condensing domestic gas instantaneous water heater secondary heat exchange device according to claim 1 is characterised in that smoke exhaust pipe (3) lower end is roughly concordant with heat exchange body (21) lower end.
3. a kind of condensing domestic gas instantaneous water heater secondary heat exchange device according to claim 2, the bottom that is characterised in that described shell (1) is integral body or split.
4. a kind of condensing domestic gas instantaneous water heater secondary heat exchange device according to claim 2, be characterised in that between the upper end cover and heat exchange body of described heat-exchanging component (2), between bottom end cover and the heat exchange body with screw attachment or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206624788U CN201897322U (en) | 2010-12-10 | 2010-12-10 | Secondary heat exchanger of condensing type domestic gas quick water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206624788U CN201897322U (en) | 2010-12-10 | 2010-12-10 | Secondary heat exchanger of condensing type domestic gas quick water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897322U true CN201897322U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206624788U Expired - Lifetime CN201897322U (en) | 2010-12-10 | 2010-12-10 | Secondary heat exchanger of condensing type domestic gas quick water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201897322U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305469A (en) * | 2011-08-29 | 2012-01-04 | 重庆三温暖电气有限公司 | Volume type gas water heater |
| CN102538201A (en) * | 2011-12-20 | 2012-07-04 | 中山市樱雪集团有限公司 | Heat exchanger utilizing waste heat |
| CN105698387A (en) * | 2016-04-12 | 2016-06-22 | 罗欣奎 | Annular heat exchanger of gas full premix condensation type wall-hanging stove |
| CN108131838A (en) * | 2017-12-30 | 2018-06-08 | 华帝股份有限公司 | A kind of eccentric petticoat pipe of condenser |
| CN108151292A (en) * | 2017-12-30 | 2018-06-12 | 华帝股份有限公司 | A kind of condensing gas-fired fast water heater |
| CN108168103A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of condensing heat exchanger |
| CN108168357A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of easy joint |
| CN108180636A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser casing |
| CN108180635A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of three cavity shells of condenser |
| CN108180772A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of heat exchanging body |
| CN108180637A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser casing |
| CN108180633A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of heat exchanging body component |
| CN108180634A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser petticoat pipe |
| CN108204668A (en) * | 2017-12-30 | 2018-06-26 | 华帝股份有限公司 | A kind of gas heater connector |
-
2010
- 2010-12-10 CN CN2010206624788U patent/CN201897322U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305469A (en) * | 2011-08-29 | 2012-01-04 | 重庆三温暖电气有限公司 | Volume type gas water heater |
| CN102538201A (en) * | 2011-12-20 | 2012-07-04 | 中山市樱雪集团有限公司 | Heat exchanger utilizing waste heat |
| CN105698387A (en) * | 2016-04-12 | 2016-06-22 | 罗欣奎 | Annular heat exchanger of gas full premix condensation type wall-hanging stove |
| CN108131838A (en) * | 2017-12-30 | 2018-06-08 | 华帝股份有限公司 | A kind of eccentric petticoat pipe of condenser |
| CN108151292A (en) * | 2017-12-30 | 2018-06-12 | 华帝股份有限公司 | A kind of condensing gas-fired fast water heater |
| CN108168103A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of condensing heat exchanger |
| CN108168357A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of easy joint |
| CN108180636A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser casing |
| CN108180635A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of three cavity shells of condenser |
| CN108180772A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of heat exchanging body |
| CN108180637A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser casing |
| CN108180633A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of heat exchanging body component |
| CN108180634A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser petticoat pipe |
| CN108204668A (en) * | 2017-12-30 | 2018-06-26 | 华帝股份有限公司 | A kind of gas heater connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: VATTI CO., LTD. Free format text: FORMER NAME: ZHONGSHAN CITY HUADI COMBUSTION UTENSILS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 Guangdong Province, Zhongshan City Xiaolan Industrial Avenue South Road No. 1 Patentee after: Vatti Co., Ltd. Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Industrial Avenue South Road No. 1 Patentee before: Zhongshan City Huadi Combustion Utensils Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110713 |
|
| CX01 | Expiry of patent term |