CN201779855U - Primary and secondary heat exchange integrated fuel gas condensation heat exchanger - Google Patents
Primary and secondary heat exchange integrated fuel gas condensation heat exchanger Download PDFInfo
- Publication number
- CN201779855U CN201779855U CN2010202926952U CN201020292695U CN201779855U CN 201779855 U CN201779855 U CN 201779855U CN 2010202926952 U CN2010202926952 U CN 2010202926952U CN 201020292695 U CN201020292695 U CN 201020292695U CN 201779855 U CN201779855 U CN 201779855U
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- Prior art keywords
- primary
- coil pipe
- cavity
- heat
- exchange integrated
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- Expired - Fee Related
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- 238000009833 condensation Methods 0.000 title abstract description 6
- 230000005494 condensation Effects 0.000 title abstract description 6
- 239000002737 fuel gas Substances 0.000 title description 3
- 239000007789 gas Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 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]
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本实用新型公开了一种主次换热一体化燃气冷凝热交换器，包括由前壳、后壳和围框构成的壳体，其特征在于：所述壳体内有盘管盘绕构成的供高温烟气进入的腔体，所述腔体的外壁与壳体间形成废气通道腔；所述腔体左侧五分之一处设有将腔体分隔成主换热器腔和次换热腔的隔热板；所述围框底部设置有冷凝水排放口；所述盘管右下端连接有出水口，盘管左上端连接有进水口。本实用新型将主次换热集成在一起，不但实现了热效率高(可提搞10％-15％)、排烟温度低、排出的CO和NOX以及CO2低，同时结构紧凑。
The utility model discloses a primary and secondary heat exchange integrated gas condensation heat exchanger, which comprises a shell composed of a front shell, a rear shell and a surrounding frame. The cavity where the flue gas enters, the exhaust gas passage cavity is formed between the outer wall of the cavity and the shell; the cavity is divided into a main heat exchanger cavity and a secondary heat exchange cavity at one-fifth of the left side of the cavity The heat insulation board; the bottom of the surrounding frame is provided with a condensed water discharge port; the lower right end of the coil is connected to a water outlet, and the upper left end of the coil is connected to a water inlet. The utility model integrates primary and secondary heat exchanges together, not only realizes high thermal efficiency (can be increased by 10%-15%), low exhaust gas temperature, low exhausted CO, NOx and CO2 , but also has a compact structure.
Description
Technical field
The utility model relates to a kind of heat exchanger, is specifically related to the heat-exchange integrated condensing gas interchanger of a kind of primary and secondary.
Background technology
Conventional fast gas heater and wall hanging furnace heat exchanger exhaust gas temperature are than higher, a large amount of heats is discharged in the air, thereby cause the thermal efficiency of conventional heat exchanger low, generally only about 85% to 88%, in order to make full use of the waste heat of high temperature smoke evacuation waste gas, reach energy saving purposes, Guangdong Wanjiale Gas Burning Appliance Co., Ltd.'s application number: 200520053505.0 patent disclosure a kind of gas heater condensed heat exchanger, it is the fast gas heater condensed heat exchanger that China most up to now water heater producer uses, he has shell, exhaust opening, intake-outlet and row's condensation mouth of a river etc., the shortcoming of this structure: it is time heat exchanger just, must have main heat exchanger to cooperate just can finish the work, it is by absorbing 160 ℃-260 ℃ the high-temp waste gas of being discharged by main heat exchanger, make EGT drop to 40 ℃ of effects that realize condensation, thereby raising heat exchange efficiency, this isolating construction cost height, volume is big, waste material, Chengdu Qianfeng Heat Exchanger Co., Ltd.'s application number: the disclosed condensed heat exchanger of 200620035779.1 patent not can be realized the purpose of the integrated work of primary and secondary heat exchange, the high-temperature refractory that it does not separate the primary and secondary heat exchanging chamber, also only be equivalent to a main heat exchanger, do not reach condensation effect fully, exhaust gas temperature is very high, reaches the effect of not energy-saving and emission-reduction.
The utility model content
At above-mentioned weak point, the purpose of this utility model is to provide a kind of primary and secondary heat exchanger that makes integrated as a whole, to economize on material, dwindles the interchanger volume, improve the thermal efficiency, reach the heat-exchange integrated condensing gas interchanger of primary and secondary of the effect of energy-saving and emission-reduction.
To achieve these goals, the utility model has adopted following technical scheme: the heat-exchange integrated condensing gas interchanger of a kind of primary and secondary, comprise by fore shell, back cover and enclose the housing that frame constitutes, the cavity that supplies high-temperature flue gas to enter that has the coil pipe coiling to constitute in the wherein said housing forms the exhaust steam passage chamber between the outer wall of described cavity and housing; / 5th places, described cavity left side are provided with the thermal insulation board that cavity is separated into main heat exchange chamber and time heat exchanging chamber; The described frame bottom that encloses is provided with condensate drain outlet; Described coil pipe bottom righthand side is connected with delivery port, and the coil pipe left upper end is connected with water inlet.
Optimum, above-mentioned thermal insulation board is the alumina silicate thermal insulation board.
Above-mentioned adjacent coil pipe interbody spacer has at least two convex closures, and convex closure makes between adjacent coil pipe certain clearance, and the heat supply flue gas is dispersed into the exhaust steam passage chamber.
The utility model also can be provided with spacer between adjacent coil pipe, guaranteeing has certain clearance between adjacent coil pipe, and the heat supply flue gas distributes the exhaust steam passage chamber.
Above-mentioned fore shell, back cover, enclose frame, the coil pipe material is the 316L super-low carbon stainless steel.
Above-mentioned coil pipe cross section is ellipse, semicircle, circle or square.
The beneficial effects of the utility model are:
1. fore shell, back cover, enclose frame, coil pipe and all adopt the 316L super-low carbon stainless steel to make, can effectively prevent the corrosion of condensation sour water, handle and do not need to carry out surface anticorrosion, life of product is long.
2. have between convex closure or adjacent coil pipe at adjacent coil pipe interbody spacer spacer is set, guaranteed the formation gap between the coil pipe, improved the contact area of high-temperature flue gas and elliptical tube, guaranteed the unimpeded of flue gas simultaneously.
3. adopt thermal insulation board (1100 ℃ of high temperature alumina silicate thermal insulation board heatproofs--1300 ℃) that the primary and secondary heat exchanging chamber is separated, guarantee that the two-stage heat exchange working in the satisfactory working environment separately, realized the integrated of primary and secondary heat exchange.
4. take the integrated combustion gas condensed heat exchanger of primary and secondary of the present invention to realize that not only thermal efficiency height (can carry and do 10%-15%), exhaust gas temperature low (40 ℃-45 ℃), the CO that discharges are low, NOX and CO2 can reduce about 50%, reach the purpose of energy-saving and emission-reduction, realized that simultaneously the primary and secondary heat exchange is integrated in one, structure is tightly rapid, economize on resources, reduce production costs.
Description of drawings
Fig. 1 the utility model structural representation.
The adjacent coil pipe interbody spacer of Fig. 2 the utility model convex closure structure enlarged diagram.
Spacer structure enlarged diagram is set between the adjacent coil pipe of Fig. 3 the utility model.
Fig. 4 the utility model coil pipe cross section is provided with convex closure structure enlarged diagram one.
Fig. 5 the utility model coil pipe cross section is provided with convex closure structure enlarged diagram two.
Fig. 6 the utility model coil pipe cross section is provided with convex closure structure enlarged diagram three.
Among the figure: 1, back cover; 2, condensate drain outlet; 3, enclose basket; 4, coil pipe; 5, fore shell; 6, delivery port; 7, main heat exchange chamber; 8, exhaust steam passage chamber; 9, thermal insulation board; 10, gap; 11, water inlet; 12, inferior heat exchanging chamber; 13, convex closure; 14, spacer.
The specific embodiment
Below we will be described further the utility model in conjunction with the accompanying drawings:
As shown in Figure 1, the heat-exchange integrated condensing gas interchanger of a kind of primary and secondary, comprise by fore shell 5, back cover 1 and enclose the housing that frame 3 constitutes that the cavity that enters for high-temperature flue gas that has in the housing that coil pipe 4 coilings constitute forms exhaust steam passage chamber 8 between the outer wall of cavity and housing; / 5th places, cavity left side are provided with the thermal insulation board 9 that cavity is separated into main heat exchange chamber 7 and time heat exchanging chamber 12, enclose frame 3 bottoms and are provided with condensate drain outlet 2; Coil pipe 4 bottom righthand sides are connected with delivery port 6, and coil pipe 4 left upper ends are connected with water inlet 11.
As shown in Figure 2, adjacent coil pipe 4 interbody spacers have convex closure 13, and convex closure 13 makes certain clearance 10 between adjacent coil pipe, and the heat supply flue gas is dispersed into exhaust steam passage chamber 8.
The utility model also can be provided with spacer 14 between adjacent coil pipe as shown in Figure 3, and guaranteeing has certain clearance 10 between adjacent coil pipe, and the heat supply flue gas distributes exhaust steam passage chamber 8.
In the present embodiment, fore shell 5, back cover 1, enclose frame 3, coil pipe 4 materials are the 316L super-low carbon stainless steel.
As Fig. 3 to Fig. 5, coil pipe 4 cross sections of the present utility model can be ellipse, square, circular or semicircle.
In the utility model, the high-temperature flue gas that is produced behind the fuel gas buring enters in the main heat exchange chamber 7 from φ A, after water in high-temperature flue gas and the coil pipe 4 carries out the heat exchange first time (promptly realizing main heat exchange work), gap 10 by 4 in adjacent coil pipe enters exhaust steam passage chamber 8 again, 10 enter time heat exchanging chamber 12 by exhaust steam passage chamber 8 through the gap again, carry out the heat exchange second time (promptly realizing time heat exchange work) with the water in the coil pipe 4, coil pipe 4 has fully reclaimed the latent heat of vaporization in the waste gas that flows through behind the main heat exchange after the heat exchange for the second time, coil pipe 4 surfaces in inferior heat exchanging chamber 12 form condensed water, basket 3 is collected after condensate drain outlet 2 is discharged by enclosing, and the waste gas after the heat exchange second time is discharged by φ B place; The utility model is finished the heat exchange of primary and secondary the two poles of the earth respectively with time heat exchanging chamber 12 in main heat exchange chamber 7, absorbed the sensible heat behind the fuel gas buring in the main heat exchange chamber 7, there be (160 ℃-260 ℃ of EGTs) in water in the combustion gas with the form of steam, and through the form appearance (EGT 40 ℃-45 ℃) of the water in the waste gas after time heat exchanging chamber 12 further heat exchange with condensed water, the primary and secondary heat exchange is integrated, CO that realized that not only thermal efficiency height (can carry and do 10%-15%), exhaust gas temperature are low, discharges and NOX and CO2 are low, simultaneously compact conformation.After cold water enters coil pipe 4 twice heat exchange from water inlet 11, flow out hot water from delivery port 6.
Claims (7)
1. heat-exchange integrated condensing gas interchanger of primary and secondary, comprise by fore shell (5), back cover (1) and enclose the housing that frame (3) constitutes, it is characterized in that: coil pipe is arranged in the described housing, and (cavity that supplies high-temperature flue gas to enter that 40 coilings constitute forms exhaust steam passage chamber (8) between the outer wall of described cavity and housing; / 5th places, described cavity left side are provided with the thermal insulation board (9) that cavity is separated into main heat exchange chamber and time heat exchanging chamber; Described frame (3) bottom of enclosing is provided with condensate drain outlet (2); Described coil pipe (4) bottom righthand side is connected with delivery port (6), and coil pipe (4) left upper end is connected with water inlet (11).
2. the heat-exchange integrated condensing gas interchanger of primary and secondary according to claim 1 is characterized in that: described thermal insulation board (9) is the alumina silicate thermal insulation board.
3. the heat-exchange integrated condensing gas interchanger of primary and secondary according to claim 1 is characterized in that: described adjacent coil pipe (4) interbody spacer has at least two convex closures (13).
4. the heat-exchange integrated condensing gas interchanger of primary and secondary according to claim 1 is characterized in that: be provided with spacer (14) between described adjacent coil pipe (4).
5. according to claim 1,3, the heat-exchange integrated condensing gas interchanger of 4 any described primary and secondarys, it is characterized in that: described coil pipe (4) cross section is ellipse, semicircle, circle or square.
6. the heat-exchange integrated condensing gas interchanger of primary and secondary according to claim 1 is characterized in that: described fore shell (5), back cover (1), enclose frame (3), coil pipe (4) material is the 316L super-low carbon stainless steel.
7. the heat-exchange integrated condensing gas interchanger of primary and secondary according to claim 5 is characterized in that: described coil pipe (4) material is the 316L super-low carbon stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202926952U CN201779855U (en) | 2010-08-16 | 2010-08-16 | Primary and secondary heat exchange integrated fuel gas condensation heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202926952U CN201779855U (en) | 2010-08-16 | 2010-08-16 | Primary and secondary heat exchange integrated fuel gas condensation heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779855U true CN201779855U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202926952U Expired - Fee Related CN201779855U (en) | 2010-08-16 | 2010-08-16 | Primary and secondary heat exchange integrated fuel gas condensation heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779855U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788426A (en) * | 2012-08-01 | 2012-11-21 | 艾欧史密斯(中国)热水器有限公司 | Condensing gas water-heating and/or heating device |
| CN111174435A (en) * | 2020-03-05 | 2020-05-19 | 珠海格力电器股份有限公司 | Heat Exchangers and Gas Water Heaters |
| CN114034079A (en) * | 2021-11-30 | 2022-02-11 | 中山市恒乐电器有限公司 | Liquid fuel heating stove with easily cleaned coil pipe |
| CN115341989A (en) * | 2022-08-12 | 2022-11-15 | 河南柴油机重工有限责任公司 | Integral two-stage cooling device for engine and engine |
-
2010
- 2010-08-16 CN CN2010202926952U patent/CN201779855U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788426A (en) * | 2012-08-01 | 2012-11-21 | 艾欧史密斯(中国)热水器有限公司 | Condensing gas water-heating and/or heating device |
| CN111174435A (en) * | 2020-03-05 | 2020-05-19 | 珠海格力电器股份有限公司 | Heat Exchangers and Gas Water Heaters |
| CN114034079A (en) * | 2021-11-30 | 2022-02-11 | 中山市恒乐电器有限公司 | Liquid fuel heating stove with easily cleaned coil pipe |
| CN114034079B (en) * | 2021-11-30 | 2023-03-03 | 中山市恒乐电器有限公司 | Liquid fuel heating stove with easily cleaned coil pipe |
| CN115341989A (en) * | 2022-08-12 | 2022-11-15 | 河南柴油机重工有限责任公司 | Integral two-stage cooling device for engine and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN HAODE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHENGDU FEIYUE MACHINERY MANUFACTURING CO., LTD. Effective date: 20120428 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610061 CHENGDU, SICHUAN PROVINCE TO: 610061 NANCHONG, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120428 Address after: 610061 Hedong Industrial Zone, South County, Sichuan Patentee after: Sichuan Haode Technology Co. Ltd. Address before: 610061 Sichuan Province, Chengdu District of Qingyang City Industrial Development Zone West block No. second building C 7 (1F). Patentee before: Chengdu City Feiyue Machinery Manufacture Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20130816 |