CN102650505A - Exhaust gas residual heat recovery device - Google Patents
Exhaust gas residual heat recovery device Download PDFInfo
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- CN102650505A CN102650505A CN2012101603543A CN201210160354A CN102650505A CN 102650505 A CN102650505 A CN 102650505A CN 2012101603543 A CN2012101603543 A CN 2012101603543A CN 201210160354 A CN201210160354 A CN 201210160354A CN 102650505 A CN102650505 A CN 102650505A
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Abstract
The invention provides an exhaust gas residual heat recovery device, which comprises a heat exchange housing, and a seal clapboard dividing the heat exchange housing into a hot end cavity body and a cold end cavity body, wherein multiple rows of smooth tubes are distributed in the middle of an evaporation cavity of the hot end cavity body; a hot end valve is distributed on the heat exchange housing on the outer side of the hot end cavity body; multiple rows of finned tubes are distributed in the cold end cavity body to serve as hot tube condensation sections; the hot tube condensation sections are in sealed connected with a cold end positioning plate; a cold end valve is arranged on the heat exchange housing on the outer side of the cold end positioning plate; and inner cavities of the finned tubes of the cold end cavity body are communicated with the side wall of a hot tube evaporation cavity body through welding. During working hours, flue gas containing residual heat passes through the inner parts of the tubes of the hot end cavity body, so as to heat liquid in the hot end cavity body and enable the liquid to be vaporized; steam enters the cold end cavity body from small holes on the seal clapboard, which are communicated with the inner parts of the finned tubes, and the heated gas flows past outside the finned tubes, so as to condense the steam in the tubes; and heat is transferred to the heated gas and the condensed liquid flows back to the hot end cavity body under the action of gravity, thereby realizing recycling use.
Description
Technical field
The invention belongs to the energy-saving and emission-reduction field, relate to a kind of heat reclaim unit, be specifically related to a kind of waste gas residual heat and reclaim heat exchanger.
Background technology
According to investigation, the waste heat total resources of every profession and trade account for the 17%-67% of its fuel consumption total amount, and the residual heat resources of recyclable utilization are about 60% of waste heat total resources.At present, a lot of plant equipment all can produce a large amount of waste gas (flue gas) in the course of the work, and general way is directly it to be entered atmosphere at present, has both wasted a large amount of heat energy and has polluted environment.This part waste gas is owing to working environment, and impurity such as dust, fiber and greasy dirt are contained in regular meeting.Waste gas afterheat recovery unit commonly used at present has shell and tube, swinging, plate type heat exchanger and heat exchange of heat pipe etc., but the ubiquity organic efficiency is low, and the pressure loss is big, is prone to stop up, and is prone to dust stratification, and is easy to wear, disadvantages such as difficult cleaning.
Summary of the invention
The objective of the invention is to solve the problem that exists in the prior art, provide a kind of heat, energy savings, waste gas residual heat simple in structure, that be difficult for obstruction and easy cleaning that can effectively reclaim waste gas residual heat to reclaim heat exchanger.
For achieving the above object; The technical scheme that the present invention adopts is: comprise the heat exchange housing and be installed in the preceding shrouding of heat exchanger shell front end face and the back shrouding of rear end face; In the heat exchange housing, seal diaphragm is installed, seal diaphragm is divided into hot junction cavity and cold junction cavity with heat exchanger; The main part of described hot junction cavity is the heat pipe evaporation cavity; In the heat pipe evaporation cavity, be furnished with many row's light pipes; The two ends of light pipe are respectively arranged with and corresponding hot junction base plate and the hot junction top board that offers high-temp waste gas inlet, high-temp waste gas outlet of light pipe; The arranged outside of heat pipe evaporation cavity has the hot junction valve, is provided with cold-producing medium in the heat pipe evaporation cavity;
Offer hot air outlet and air intlet on the described cold junction cavity; Be furnished with many row's finned tubes in the cold junction cavity as heat pipe condenser section; Offer on the seal diaphragm and the corresponding through hole of the inlet of hot junction condensation segment; The tail end of heat pipe condenser section and cold junction location-plate are tightly connected, and the heat exchange housing in the cold junction location-plate outside is provided with the cold junction valve.
The tail end of described heat pipe condenser section is tightly connected through rubber ring and cold junction location-plate.
Described high-temp waste gas inlet front end is equipped with the hot junction filter screen.
Described heat pipe condenser section is welded on the seal diaphragm and with the heat pipe evaporation cavity and is connected.
What the heat pipe condenser section in the described condensation cavity adopted is finned tube, finned tube be arranged as parallel or cross arrangement, and finned tube is to tilt to rise and arranges.
The outside wall surface of described light pipe is processed with groove as capillary structure, working fluid is caused carry out evaporation and heat-exchange on the light pipe outer surface.
Described light pipe is parallel to each other and is vertical with the bottom surface.
The present invention is furnished with a series of light pipes in evaporation cavity, passes through in the light pipe pipe of marshalling through containing flue gas (waste gas) gas that has surplus heat in the light pipe, and the contamination that helps waste gas is caused in pipe, dust stratification etc. are in time cleared up.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is a right view of the present invention.
Among the figure: shrouding behind shrouding, 21-bolt, 22-bolt, the 23-before 1-heat exchange housing, 2-cold junction valve, 3-heat pipe condenser section, 4-rubber ring, 5-cold junction location-plate, 6-bolt, 7-hot air outlet, 8-high-temp waste gas inlet, 9-hot junction filter screen, 10-hot junction base plate, 11-bolt, 12-hot junction valve, 13-light pipe, 14-heat pipe evaporation cavity, the outlet of 15-high-temp waste gas, 16-hot junction top board, 17-seal diaphragm, 18-air intlet, 19-finned tube, the 20-.
The specific embodiment
Below in conjunction with concrete accompanying drawing and examples of implementation the present invention is further specified.
The present invention includes heat exchange housing 1 and be arranged on the preceding shrouding 20 of heat exchanger shell front end face and the back shrouding 23 of rear end face; In heat exchange housing 1 central longitudinal to seal diaphragm 17 is installed; The left and right sides of seal diaphragm 17 is respectively hot junction cavity and cold junction cavity; The main part of hot junction cavity is a heat pipe evaporation cavity 14, and evaporation cavity 14 intermediate arrangement in hot junction have many row's light pipes 13, and the tube wall of light pipe 13 links to each other with hot junction top board 16, hot junction base plate 10; And on hot junction top board 16, hot junction base plate 10, offer respectively and the corresponding high-temp waste gas inlet of light pipe 13 8, high-temp waste gas outlet 15; The bottom of cavity is equipped with hot junction filter screen 9 in the hot junction, and the arranged outside of heat pipe evaporation cavity 14 has hot junction valve 12, is provided with cold-producing medium in the heat pipe evaporation cavity 14; Form exhaust steam passage in the pipe of light pipe 13;
Offer hot air outlet 7 and air intlet 18 on the cold junction cavity; Be furnished with many row's finned tubes 19 in the cold junction cavity as heat pipe condenser section 3; Offer on the seal diaphragm 17 and the corresponding through hole of the inlet of hot junction condensation segment 3; The tail end of heat pipe condenser section 3 is tightly connected through rubber ring 4 and cold junction location-plate 5, and the heat exchange housing 1 in cold junction location-plate 5 outsides is provided with cold junction valve 2.
What the condensation segment 3 of described heat pipe adopted is spiral fin coil 19, and spiral fin coil 19 is in-line arrangement and arranges.Heat pipe condenser section 3 is welded on the seal diaphragm 17 and with heat pipe evaporation cavity 14 and is connected.Heat pipe condenser section 3 in the cold junction cavity is to tilt to rise to be arranged.
Be filled with working fluid in the described heat pipe evaporation cavity 14, be processed with groove as capillary structure, working fluid is caused on 13 of the light pipes carry out evaporation and heat-exchange in light pipe 13 outside wall surface.
Like Fig. 1, shown in Figure 2: high-temp waste gas gets in the hot junction cavity in heat exchange housing 1 left side; Get into from high-temp waste gas inlet 8; Get into light pipe 13 inside through hot junction filter screen 9 and carry out heat exchange, make the liquid evaporation (boiling) in the cavity of hot junction, discharge from high-temp waste gas outlet 15 then.Wherein in hot junction filter screen 9 insertion grooves, be positioned over the bottom of hot junction cavity.Hot junction valve 12 loads through bolt 11 on the left cap of hot junction cavity.
Because inside heat pipe usually need keep vacuum (being lower than atmospheric pressure), cave in because of pressure for fear of the tabular housing of the evaporation cavity 14 of heat pipe, so need within it portion supporter is set, be supported between top board 16 and base plate 10 these two plates.Light pipe 13 wherein is that waste gas is played circulation heat exchange effect on the one hand, on the other hand housing is played a supporting role.
Through the function of dispelling the heat in left side heat absorption and the right of heat pipe, heat is delivered to the right side by the left side.Middle seal diaphragm 17 plays isolates and positioning action.The cold air of the outside on right side (or other colder gas) gets in the heat exchange housing 1 through gas feed 18.Colder gas carries out heat exchange through heat pipe condenser section 3, and temperature raises the back through gas vent 7 discharges.The tail end of heat pipe condenser section 3 is tightly connected through rubber ring 4 and cold junction location-plate 5, and the heat exchange housing 1 in cold junction location-plate 5 outsides is provided with cold junction valve 2.Cold junction valve 2 compresses through bolt 6 and heat exchange housing 1.
Shown in Figure 3: preceding shrouding 20 is sealed on the front and rear end of heat exchange housing 1 with back shrouding 23, compresses through bolt 21 and bolt 22 and heat exchange housing 1 respectively.
Claims (7)
1. a waste gas residual heat reclaims heat exchanger; It is characterized in that: comprise heat exchange housing (1) and be installed in the preceding shrouding (20) of heat exchanger shell (1) front end face and the back shrouding (23) of rear end face; Seal diaphragm (17) is installed in heat exchange housing (1), and seal diaphragm (17) is divided into hot junction cavity and cold junction cavity with heat exchanger;
The main part of described hot junction cavity is heat pipe evaporation cavity (14); In heat pipe evaporation cavity (14), be furnished with many row's light pipes (13); The two ends of light pipe (13) are respectively arranged with and corresponding hot junction base plate (10) and the hot junction top board (16) that offers high-temp waste gas inlet (8), high-temp waste gas outlet (15) of light pipe (13); The arranged outside of heat pipe evaporation cavity (14) has hot junction valve (12), and the heat pipe evaporation cavity is provided with cold-producing medium in (14);
Offer hot air outlet (7) and air intlet (18) on the described cold junction cavity; Be furnished with many row's finned tubes (19) in the cold junction cavity as heat pipe condenser section (3); Offer the corresponding through hole of inlet on the seal diaphragm (17) with hot junction condensation segment (3); The tail end of heat pipe condenser section (3) and cold junction location-plate (5) are tightly connected, and the heat exchange housing (1) in cold junction location-plate (5) outside is provided with cold junction valve (2).
2. waste gas residual heat according to claim 1 reclaims heat exchanger, it is characterized in that: the tail end of described heat pipe condenser section (3) is tightly connected through rubber ring (4) and cold junction location-plate (5).
3. waste gas residual heat according to claim 1 reclaims heat exchanger, it is characterized in that: described high-temp waste gas inlet (8) front end is equipped with hot junction filter screen (9).
4. waste gas residual heat according to claim 1 reclaims heat exchanger, it is characterized in that: described heat pipe condenser section (3) is welded on seal diaphragm (17) and upward and with heat pipe evaporation cavity (14) is connected.
5. waste gas residual heat according to claim 1 reclaims heat exchanger; It is characterized in that: what the heat pipe condenser section (3) in the described condensation cavity adopted is finned tube (19); Finned tube (19) be arranged as parallel or cross arrangement, and finned tube (19) is and to rise arranges.
6. waste gas residual heat according to claim 1 reclaims heat exchanger, and it is characterized in that: the outside wall surface of described light pipe (13) is processed with groove as capillary structure, working fluid is caused on light pipe (13) outer surface carry out evaporation and heat-exchange.
7. waste gas residual heat according to claim 1 reclaims heat exchanger, and it is characterized in that: described light pipe (13) is parallel to each other and is vertical with the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101603543A CN102650505A (en) | 2012-05-22 | 2012-05-22 | Exhaust gas residual heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101603543A CN102650505A (en) | 2012-05-22 | 2012-05-22 | Exhaust gas residual heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN102650505A true CN102650505A (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101603543A Pending CN102650505A (en) | 2012-05-22 | 2012-05-22 | Exhaust gas residual heat recovery device |
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| Country | Link |
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| CN (1) | CN102650505A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884196A (en) * | 2014-03-10 | 2014-06-25 | 北京矿大节能科技有限公司 | Smoke waste heat exchanger and recovery device |
| CN104864376A (en) * | 2015-05-28 | 2015-08-26 | 华北水利水电大学 | Heat-pipe type falling film evaporation low-temperature waste heat utilization and water recovery equipment |
| CN106017164A (en) * | 2016-05-20 | 2016-10-12 | 西安交通大学 | Waste gas afterheat recovery heat exchanger |
| CN113154920A (en) * | 2021-04-27 | 2021-07-23 | 江苏龙净节能科技有限公司 | Heat exchanger |
| CN118129355A (en) * | 2024-04-12 | 2024-06-04 | 珠海市同用节能技术有限公司 | Waste gas utilization energy-saving heat pump system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60144593A (en) * | 1984-01-06 | 1985-07-30 | Babcock Hitachi Kk | Heat exchange device |
| US4896716A (en) * | 1987-01-27 | 1990-01-30 | The Furukawa Electric Co., Ltd. | Heat pipe type heat-exchanger for the ventilation |
| CN201527207U (en) * | 2009-11-12 | 2010-07-14 | 重庆大学 | Gas-liquid heat exchanger based on principle of heat pipes |
| CN201662348U (en) * | 2010-04-30 | 2010-12-01 | 李玉静 | Waste gas heat exchanger for boarding machine |
-
2012
- 2012-05-22 CN CN2012101603543A patent/CN102650505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60144593A (en) * | 1984-01-06 | 1985-07-30 | Babcock Hitachi Kk | Heat exchange device |
| US4896716A (en) * | 1987-01-27 | 1990-01-30 | The Furukawa Electric Co., Ltd. | Heat pipe type heat-exchanger for the ventilation |
| CN201527207U (en) * | 2009-11-12 | 2010-07-14 | 重庆大学 | Gas-liquid heat exchanger based on principle of heat pipes |
| CN201662348U (en) * | 2010-04-30 | 2010-12-01 | 李玉静 | Waste gas heat exchanger for boarding machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884196A (en) * | 2014-03-10 | 2014-06-25 | 北京矿大节能科技有限公司 | Smoke waste heat exchanger and recovery device |
| CN104864376A (en) * | 2015-05-28 | 2015-08-26 | 华北水利水电大学 | Heat-pipe type falling film evaporation low-temperature waste heat utilization and water recovery equipment |
| CN104864376B (en) * | 2015-05-28 | 2017-04-26 | 华北水利水电大学 | Heat-pipe type falling film evaporation low-temperature waste heat utilization and water recovery equipment |
| CN106017164A (en) * | 2016-05-20 | 2016-10-12 | 西安交通大学 | Waste gas afterheat recovery heat exchanger |
| CN106017164B (en) * | 2016-05-20 | 2017-02-22 | 西安交通大学 | Waste gas afterheat recovery heat exchanger |
| CN113154920A (en) * | 2021-04-27 | 2021-07-23 | 江苏龙净节能科技有限公司 | Heat exchanger |
| CN118129355A (en) * | 2024-04-12 | 2024-06-04 | 珠海市同用节能技术有限公司 | Waste gas utilization energy-saving heat pump system |
| CN118129355B (en) * | 2024-04-12 | 2024-07-05 | 珠海市同用节能技术有限公司 | Waste gas utilization energy-saving heat pump system |
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Application publication date: 20120829 |