CN201534474U - Device for recovering waste heat of high-temperature flue gas - Google Patents
Device for recovering waste heat of high-temperature flue gas Download PDFInfo
- Publication number
- CN201534474U CN201534474U CN200920222901XU CN200920222901U CN201534474U CN 201534474 U CN201534474 U CN 201534474U CN 200920222901X U CN200920222901X U CN 200920222901XU CN 200920222901 U CN200920222901 U CN 200920222901U CN 201534474 U CN201534474 U CN 201534474U
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- flue gas
- temperature flue
- heat
- heat exchanger
- heat exchange
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Abstract
The utility model relates to a device for recovering waste heat of high-temperature flue gas. The device comprises a heat exchange box body and a sealed heat exchange plate cavity; a cold air inlet, a hot air outlet, a high-temperature flue gas inlet and a low-temperature flue gas discharge outlet are formed on the outer wall of the heat exchange box body; the inner ends of both the cold air inlet and the hot air outlet are communicated with the heat exchange plate cavity; the inner ends of both the high-temperature flue gas inlet and the low-temperature flue gas discharge outlet are communicated with the space between the inner part of the heat exchange box body and the outer part of the heat exchange plate cavity; the outer end of the high-temperature flue gas inlet is connected with a warmer in a low-temperature start system of an engineering vehicle and a high-temperature flue gas discharge pipe ; and the outer end of the low-temperature flue gas discharge outlet is communicated with the outer atmosphere. The device can recover waste heat of high-temperature flue gas discharged when the warmer in the low-temperature start system of the engineering vehicle works, so the waste heat energy is reused, which reduces flue gas pollution and improves the whole heat utilization ratio of the low-temperature start system. The utility model has the advantages of simple structure and reliable performance.
Description
Technical field
The utility model relates to a kind of heat recovery technology, particularly a kind of device that the high-temperature flue gas of discharging carries out waste heat recovery when being used for the work of the warmer of engineering truck cold-starting system.
Background technology
Winter is outdoor cold, especially in the three northern areas of China and the area, plateau of China, the outdoor environment temperature is in-45 ℃～-5 ℃ low-temperature condition usually, make the diesel motor of engineering truck start difficulty, warmer then is mounted in the engineering truck cold-starting system, under low temperature environment,, make its quick effectively start and prolong the diesel motor device in service life for the diesel motor heating.Warmer generally includes Power Drive Unit, burning installation and three chief components of heat-exchanger rig, and under the driving of Power Drive Unit, fuel oil burns in burning installation, produces nearly 1600 ℃ high-temperature flue gas; After high-temperature flue gas enters heat-exchanger rig, carry out heat exchange with circulating fluid in its interlayer, circulating fluid with heat delivery to the diesel motor desired area, the quick operated start driving engine; Flue gas after the heat displacement is discharged into the ambient atmosphere from the fume exhaust pipeline of heat-exchanger rig.Because the heat displacement is incomplete, the temperature of discharged flue gas tail gas still belongs to high-temperature flue gas about 350 ℃～500 ℃ usually, and directly being discharged in the atmosphere is a kind of waste of heat energy, has also caused certain environmental pollution simultaneously.
The utility model content
The utility model is at defective that exists in the prior art or deficiency, a kind of high-temperature flue gas waste-heat recovery device is provided, the high-temperature flue gas of discharging carries out waste heat recovery in the time of warmer in the engineering truck cold-starting system can being worked, reduce smoke pollution, improve cold-starting entire system heat energy utilization rate, have advantage simple in structure, dependable performance simultaneously.
The technical solution of the utility model is as follows:
A kind of high-temperature flue gas waste-heat recovery device, it is characterized in that, comprise the heat exchange casing and be arranged at heat exchange casing in-to-in leak free heat exchanger fin cavity, the outer wall of described heat exchange casing is provided with cool air inlet, hot air outlet, high-temperature flue gas import and low-temperature flue gas discharge side, the inner of described cool air inlet and hot air outlet all communicates with the heat exchanger fin cavity, described high-temperature flue gas import and low-temperature flue gas discharge side inner all with heat exchange box house and heat exchanger fin cavity outside between the space communicate, the high-temperature flue gas discharge tube of the warmer in the outer end of described high-temperature flue gas import and the engineering truck cold-starting system links to each other, and the outer end of described low-temperature flue gas discharge side communicates with ambient atmosphere.
Described cool air inlet place is provided with the actuating device that cold air is sucked the heat exchanger fin cavity.
Described actuating device is an induced draft fan.
Described heat exchanger fin cavity is the heat exchanger fin cavity that multilayer and each layer all communicate, and described cool air inlet is higher than the height that hot air outlet communicates with the heat exchanger fin cavity and locates with the height at the heat exchanger fin cavity place of communicating.
Described heat exchanger fin chamber outer wall is provided with metal fin.
The outer end of described cool air inlet and hot air outlet all communicates with the crew module inside of engineering truck.
Described high-temperature flue gas import and low-temperature flue gas discharge side all are arranged on the plane of symmetry of heat exchange casing, and the height of described high-temperature flue gas import setting is lower than the height that the low-temperature flue gas discharge side is provided with.
Technique effect of the present utility model is as follows:
The high-temperature flue gas waste-heat recovery device that the utility model relates to, by the heat exchange casing is set, the heat exchanger fin cavity, cool air inlet, hot air outlet, high-temperature flue gas import and low-temperature flue gas discharge side, the high-temperature flue gas of the warmer discharging in the engineering truck cold-starting system enters the heat exchange casing through the high-temperature flue gas import, cold air enters the heat exchanger fin cavity through cool air inlet, high-temperature flue gas and cold air carry out interchange of heat, cold air is a hot air by heat exchange, this hot air can carry out heat energy utilization after hot air outlet is discharged, high-temperature flue gas is discharged from the low-temperature flue gas discharge side by heat exchange cooling back.Device of the present utility model has been realized the used heat second use with the high-temperature flue gas by exhaust emission has carried out recovery originally, heat is replaced; The flue-gas temperature that is discharged from obviously reduces, and has reduced the pollution of flue tail gas to atmosphere; High-temperature flue gas waste-heat recovery device of the present utility model can be used as the part of the warmer in the engineering truck cold-starting system, improved cold-starting entire system heat energy utilization rate, prolong the displacement distance of the heat output of cold-starting system, improved the heat exchange efficiency of warmer itself; Has advantage simple in structure, dependable performance simultaneously.
The cool air inlet place is provided with the actuating device that cold air is sucked the heat exchanger fin cavity, can make cold air enter high-temperature flue gas waste-heat recovery device of the present utility model rapidly, shortens cold air and enters the time that heat exchanger fin is carried out interchange of heat, improves heat exchange efficiency.
The heat exchanger fin cavity is set to the heat exchanger fin cavity that multilayer and each layer all communicate, this structure makes the heat interchanging area in the unit volume be increased, thereby improved heat exchange efficiency, because cold air specific heat density of air is big, so being set, cool air inlet is higher than the height that hot air outlet communicates with the heat exchanger fin cavity and locates with the height at the heat exchanger fin cavity place of communicating, can strengthen interchange of heat, thereby further improve heat exchange efficiency.
The outer end of cool air inlet and hot air outlet all is used for communicating with the crew module inside of engineering truck, can make the cold air among the crew module enter the heat exchanger fin cavity through cool air inlet, be hot air finally by heat exchange, and drain into the crew module from hot air outlet, replace originally reclaiming with heat by the high-temperature flue gas of exhaust emission, and be crew module's heating as thermal source, improve engineering truck driver and crew's under harsh environment driving amenity, further embodied the human oriented design of cold-starting system.
Description of drawings
Fig. 1 is the structural representation of high-temperature flue gas waste-heat recovery device of the present utility model.
Each label lists as follows among the figure:
1-heat exchange casing; 2-heat exchanger fin cavity; The 3-cool air inlet; The 4-hot air outlet; The import of 5-high-temperature flue gas; 6-low-temperature flue gas discharge side; The 7-induced draft fan; 8-flue gas cavity.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described.
Fig. 1 is the structural representation of high-temperature flue gas waste-heat recovery device of the present utility model, comprise heat exchange casing 1 and be arranged at heat exchange casing in-to-in leak free heat exchanger fin cavity 2, heat exchange casing 1 in the present embodiment is the hexahedron of a regular shape, heat exchanger fin cavity 2 is a multi-layer metal structure, and each layer inside of this heat exchanger fin cavity all communicates, this heat exchanger fin cavity also can be other shape, as waveform heat exchanger fin cavity, for improving the waste-heat reclaiming efficient of this high-temperature flue gas waste-heat recovery device, on the outer wall of heat exchanger fin cavity 2 metal fin can also be set; The outer wall of heat exchange casing 1 is provided with cool air inlet 3, hot air outlet 4, high-temperature flue gas import 5 and low-temperature flue gas discharge side 6; The inner of cool air inlet 3 and hot air outlet 4 all communicates with heat exchanger fin cavity 2, the outer end all communicates with the crew module inside of engineering truck, cool air inlet 3 can be set be higher than the height that hot air outlet 4 communicates with heat exchanger fin cavity 2 and locates with the height at heat exchanger fin cavity 2 places of communicating, cool air inlet 3 places are provided with induced draft fan 7; High-temperature flue gas import 5 and low-temperature flue gas discharge side 6 all are arranged on the plane of symmetry of heat exchange casing 1, the height that high-temperature flue gas import 5 settings can be set is lower than the height that low-temperature flue gas discharge side 6 is provided with, high-temperature flue gas import 5 and low-temperature flue gas discharge side 6 inner all with heat exchange casing 1 inside and heat exchanger fin cavity 2 outsides between the space communicate, between heat exchange casing 1 inside and heat exchanger fin cavity 2 outsides, form flue gas cavity 8, the high-temperature flue gas discharge tube of the warmer in the outer end of high-temperature flue gas import 5 and the engineering truck cold-starting system links to each other, and the outer end of low-temperature flue gas discharge side 6 leads in the outer atmosphere of crew module.The high-temperature flue gas of discharging enters flue gas cavity 8 in the heat exchange casing 1 through high-temperature flue gas import 5 during the work of warmer in the engineering truck cold-starting system, cold air among the crew module enters heat exchanger fin cavity 2 through cool air inlet 3 under the driving of induced draft fan 7, high-temperature flue gas and cold air carry out interchange of heat, cold air is a hot air by heat exchange, this hot air drains into the crew module from hot air outlet 4, thereby carry out crew module's heating, usually the temperature among the crew module can be promoted to 20 ℃ from-40 ℃, improved engineering truck driver and crew's under harsh environment amenity, be equivalent to original high-temperature flue gas has been carried out heat recuperation, realized waste-heat utilization, low-temperature flue gas discharge side 6 discharged flue gas temperature in air obviously reduces, usually can be reduced to below 200 ℃, reduced smoke pollution, improved cold-starting entire system heat energy utilization rate, the displacement distance that prolongs the heat output of cold-starting system has in addition improved the heat exchange efficiency of warmer itself.
Should be pointed out that the above specific embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; although this specification sheets has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (7)
1. high-temperature flue gas waste-heat recovery device, it is characterized in that, comprise the heat exchange casing and be arranged at heat exchange casing in-to-in leak free heat exchanger fin cavity, the outer wall of described heat exchange casing is provided with cool air inlet, hot air outlet, high-temperature flue gas import and low-temperature flue gas discharge side, the inner of described cool air inlet and hot air outlet all communicates with the heat exchanger fin cavity, described high-temperature flue gas import and low-temperature flue gas discharge side inner all with heat exchange box house and heat exchanger fin cavity outside between the space communicate, the high-temperature flue gas discharge tube of the warmer in the outer end of described high-temperature flue gas import and the engineering truck cold-starting system links to each other, and the outer end of described low-temperature flue gas discharge side communicates with ambient atmosphere.
2. high-temperature flue gas waste-heat recovery device according to claim 1 is characterized in that, described cool air inlet place is provided with the actuating device that cold air is sucked the heat exchanger fin cavity.
3. high-temperature flue gas waste-heat recovery device according to claim 2 is characterized in that, described actuating device is an induced draft fan.
4. according to the described high-temperature flue gas waste-heat recovery device of one of claim 1 to 3, it is characterized in that, described heat exchanger fin cavity is the heat exchanger fin cavity that multilayer and each layer all communicate, and described cool air inlet is higher than the height that hot air outlet communicates with the heat exchanger fin cavity and locates with the height at the heat exchanger fin cavity place of communicating.
5. high-temperature flue gas waste-heat recovery device according to claim 4 is characterized in that, described heat exchanger fin chamber outer wall is provided with metal fin.
6. high-temperature flue gas waste-heat recovery device according to claim 4 is characterized in that, the outer end of described cool air inlet and hot air outlet all communicates with the crew module inside of engineering truck.
7. high-temperature flue gas waste-heat recovery device according to claim 6, it is characterized in that, described high-temperature flue gas import and low-temperature flue gas discharge side all are arranged on the plane of symmetry of heat exchange casing, and the height of described high-temperature flue gas import setting is lower than the height that the low-temperature flue gas discharge side is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222901XU CN201534474U (en) | 2009-09-24 | 2009-09-24 | Device for recovering waste heat of high-temperature flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222901XU CN201534474U (en) | 2009-09-24 | 2009-09-24 | Device for recovering waste heat of high-temperature flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201534474U true CN201534474U (en) | 2010-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920222901XU Expired - Fee Related CN201534474U (en) | 2009-09-24 | 2009-09-24 | Device for recovering waste heat of high-temperature flue gas |
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| Country | Link |
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| CN (1) | CN201534474U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371643A (en) * | 2015-12-08 | 2016-03-02 | 江苏海大印染机械有限公司 | Drying room afterheat recycling device |
| CN106762154A (en) * | 2016-12-26 | 2017-05-31 | 江苏华强新能源科技有限公司 | A kind of gas turbine inlet air heat exchanger |
| CN108534135A (en) * | 2018-06-08 | 2018-09-14 | 中山劲牛科技有限公司 | Block head |
| CN108534135B (en) * | 2018-06-08 | 2024-06-04 | 中山劲牛科技有限公司 | Blocking head |
-
2009
- 2009-09-24 CN CN200920222901XU patent/CN201534474U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371643A (en) * | 2015-12-08 | 2016-03-02 | 江苏海大印染机械有限公司 | Drying room afterheat recycling device |
| CN106762154A (en) * | 2016-12-26 | 2017-05-31 | 江苏华强新能源科技有限公司 | A kind of gas turbine inlet air heat exchanger |
| CN108534135A (en) * | 2018-06-08 | 2018-09-14 | 中山劲牛科技有限公司 | Block head |
| CN108534135B (en) * | 2018-06-08 | 2024-06-04 | 中山劲牛科技有限公司 | Blocking head |
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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 |
Granted publication date: 20100728 Termination date: 20170924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |