CN220170027U - Waste heat recovery system suitable for high-temperature waste gas of transverse drawing oven of film material process - Google Patents
Waste heat recovery system suitable for high-temperature waste gas of transverse drawing oven of film material process Download PDFInfo
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- CN220170027U CN220170027U CN202321560300.6U CN202321560300U CN220170027U CN 220170027 U CN220170027 U CN 220170027U CN 202321560300 U CN202321560300 U CN 202321560300U CN 220170027 U CN220170027 U CN 220170027U
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- pipe
- waste gas
- recovery system
- heat exchanger
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- 239000002912 waste gas Substances 0.000 title claims abstract description 48
- 239000002918 waste heat Substances 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 26
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 18
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a waste heat recovery system suitable for high-temperature waste gas of a transverse drawing oven of a film material process, which comprises an air inlet pipe, a heat exchanger, a communicating pipe, a purifier and an exhaust pipe which are sequentially communicated, wherein the heat exchanger is fixedly connected with an exchange pipe which can be divided into an inlet end, a special-shaped part and an outlet end which are sequentially communicated, and the special-shaped part consists of a plurality of annular parts which are mutually communicated and is positioned in an inner cavity of the heat exchanger. According to the waste heat recovery system provided by the utility model, waste gas enters the heat exchanger from the air inlet pipe to be contacted with the special-shaped part of the exchange pipe, cold liquid is discharged from the outlet end through the special-shaped part from the inlet end of the exchange pipe, high-temperature waste gas exchanges heat with cold night in the special-shaped part, and then the waste gas enters the purifier through the communicating pipe to be primarily purified and then is discharged from the exhaust pipe, so that heat energy carried by the high-temperature waste gas is recovered by the cold liquid through heat exchange, and further the waste of waste heat energy of the waste gas and the problem of thermal pollution to the atmosphere are avoided.
Description
Technical Field
The utility model relates to the technical field of waste heat recovery systems, in particular to a waste heat recovery system suitable for high-temperature waste gas of a transverse drawing oven of a film material process.
Background
In the film material process, a horizontal drawing oven is often used for heating and drying the film material, and the horizontal drawing oven inevitably generates high-temperature waste gas in the running process, and the waste gas has a large amount of high-temperature waste heat and contains a large amount of harmful substances.
The conventional method for treating the waste gas is to adopt a high-temperature-resistant spray tower for environmental protection treatment, and finally a large amount of waste heat is discharged into the atmosphere, so that huge energy waste is caused, and serious thermal pollution to the atmosphere is caused.
Disclosure of Invention
The utility model aims to provide a waste heat recovery system suitable for high-temperature waste gas of a transverse drawing oven of a film material process, which is used for solving the problems of waste heat energy of waste gas and thermal pollution to the atmosphere caused by directly using a spray tower for environmental protection treatment of the high-temperature waste gas.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a waste heat recovery system suitable for horizontal pull oven high temperature waste gas of membrane material technology, includes intake pipe, heat exchanger, communicating pipe, clarifier and the blast pipe that communicate in proper order, fixedly connected with exchange tube on the heat exchanger, exchange tube can divide into inlet end, dysmorphism portion and the exit end that communicate in proper order, dysmorphism portion is a plurality of cyclic annular portion constitution of communicating each other and its being located the heat exchanger inner chamber.
Preferably, the air inlet pipe is provided with a V-shaped bending part, and a blow-down valve is arranged at the bending point of the bending part.
Preferably, the first end of the communicating pipe is communicated with the heat exchanger, the second end of the communicating pipe is communicated with the purifier, and the inner diameter of the communicating pipe increases from the first end to the second end.
Preferably, the air inlet pipe, the communicating pipe and the air outlet pipe are all high-temperature resistant pipe fittings.
Preferably, the exchange tube is a high thermal conductivity tube.
In the technical scheme, the waste heat recovery system suitable for the high-temperature waste gas of the transverse drawing oven of the film material process has the following beneficial effects: the waste gas enters the heat exchanger from the air inlet pipe and is contacted with the special-shaped part of the exchange pipe, cold liquid is discharged from the outlet end through the special-shaped part from the inlet end of the exchange pipe, high-temperature waste gas is subjected to heat exchange with cold night in the special-shaped part, and then the waste gas enters the purifier through the communicating pipe and is discharged from the exhaust pipe after being primarily purified, so that heat energy carried by the high-temperature waste gas is recovered by the cold liquid through heat exchange, the waste of waste heat energy sources of the waste gas and the problem of heat pollution to the atmosphere are avoided, and the special shape of the special-shaped part enables the cold liquid flowing in the special-shaped part to generate turbulence, so that the heat exchange efficiency with the high-temperature waste gas is improved, and the heat energy recovery rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic general structural diagram provided in an embodiment of the present utility model.
Reference numerals illustrate:
11. an air inlet pipe; 111. a bending part; 12. a communicating pipe; 13. an exhaust pipe; 2. a heat exchanger; 3. exchange the tube; 31. an inlet end; 32. an outlet end; 33. a special-shaped part; 4. a purifier; 5. a blow-down valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
As shown in FIG. 1, a waste heat recovery system suitable for a film material process horizontal drawing oven high temperature waste gas, including intake pipe 11, heat exchanger 2, communicating pipe 12, clarifier 4 and blast pipe 13 that communicate in proper order, fixedly connected with exchange tube 3 on the heat exchanger 2, exchange tube 3 can divide into inlet end 31, dysmorphism portion 33 and the exit end 32 that communicate in proper order, and dysmorphism portion 33 is formed and its being located heat exchanger 2 inner chamber for a plurality of cyclic annular portion that communicate each other.
Specifically, as shown in fig. 1, the air inlet pipe 11, the heat exchanger 2, the communicating pipe 12, the purifier 4 and the air outlet pipe 13 are sequentially communicated, while the waste gas flows from left to right to sequentially pass through the above elements, the waste gas enters the heat exchanger 2 from the air inlet pipe 11 to be contacted with the special-shaped part 33 of the exchange pipe 3, the cold liquid is discharged from the inlet end 31 of the exchange pipe 3 through the special-shaped part 33, the high-temperature waste gas exchanges heat with cold liquid in the special-shaped part 33, and then the waste gas enters the purifier 4 through the communicating pipe 12 to be primarily purified and then is discharged from the air outlet pipe 13, so that the heat energy carried by the high-temperature waste gas is recovered by the cold liquid through heat exchange, and further, the waste of waste gas residual heat energy source and the problem of heat pollution to the atmosphere are avoided, the special-shaped part 33 is formed by sequentially communicating a plurality of annular parts as shown in fig. 1, and the mutually communicated parts of each annular part are provided with a plurality of nozzles so that the cold liquid flows from the inlet end 31 to the special-shaped part 33 to form turbulence, so that the cold liquid flowing in the plurality of directions can be turbulent flow, and the cold liquid flowing in the special shape of the special-shaped part 33 can be discharged from the special shape of the special shape, and the cold liquid is further heat exchange efficiency with the high-temperature waste gas is improved.
In the above technical scheme, by using the air inlet pipe 11, the heat exchanger 2, the communicating pipe 12, the purifier 4 and the exhaust pipe 13 which are sequentially communicated, the waste gas enters the heat exchanger 2 from the air inlet pipe 11 to be contacted with the special-shaped part 33 of the exchange pipe 3, the cold liquid is discharged from the outlet end 32 through the special-shaped part 33 from the inlet end 31 of the exchange pipe 3, the high-temperature waste gas is subjected to heat exchange with cold night in the special-shaped part 33, and then the waste gas enters the purifier 4 through the communicating pipe 12 to be primarily purified and then is discharged from the exhaust pipe 13, so that the heat energy carried by the high-temperature waste gas is recovered by the cold liquid through heat exchange, further, the waste of waste heat energy sources of the waste gas and the problem of heat pollution to the atmosphere are avoided, and the special shape of the special-shaped part 33 can cause turbulence of the cold liquid flowing in the waste gas, thereby accelerating the heat exchange efficiency with the high-temperature waste gas and improving the heat energy recovery rate.
As a further provided embodiment of the present utility model, the air inlet pipe 11 is provided with a V-shaped bending portion 111, and the bending point of the bending portion 111 is provided with a drain valve 5.
Specifically, as shown in fig. 1, there is a V-shaped bending portion 111 on the air inlet pipe 11, since a certain amount of flue gas is always contained in the high-temperature exhaust gas generated by the horizontal pulling oven, the flue gas particles are difficult to clean after long-time use, the V-shaped bending portion 111 is utilized to enable the high-temperature exhaust gas to impact the inside of the bending portion 111 to perform certain cooling when passing through the air inlet pipe 11, the recoil force of the air flow and the reduction of the temperature are utilized to enable the flue gas particles to perform certain sedimentation, the flue gas particles are easy to adhere to the inner wall of the bending portion 111 and the bending point of the bending portion 111, so that the problem that more flue gas particles are difficult to clean when being deposited in the heat exchanger 2 is avoided, then the blowoff valve 5 is opened to discharge the flue gas particles at the bending point of the bending portion 111, and the inner wall of the bending portion 111 can be cleaned through the blowoff valve 5, so that the flue gas particles on the inner wall of the pipeline can be cleaned conveniently.
As a further provided embodiment of the present utility model, the first end of the communicating tube 12 is in communication with the heat exchanger 2, the second end of the communicating tube 12 is in communication with the purifier 4, and the inner diameter of the communicating tube 12 increases from the first end to the second end.
Specifically, as shown in fig. 1, the left end of the communicating tube 12 is a first end, the right end is a second end, the inner diameter of the communicating tube 12 increases gradually from left to right so that the inner wall of the communicating tube is inclined, the adhesion of flue gas particles on the inner wall of the communicating tube 12 is reduced, and the circulation speed of high-temperature exhaust gas can be increased.
As a further provided embodiment of the present utility model, the air inlet pipe 11, the communication pipe 12 and the air outlet pipe 13 are all high temperature resistant pipe fittings.
Specifically, the air inlet pipe 11, the communicating pipe 12 and the air outlet pipe 13 are all high-temperature resistant pipe fittings so as to prolong the service lives of the three.
As a further provided embodiment of the present utility model, the exchange tube 3 is a high thermal conductivity tube.
Specifically, the exchange tube 3 is a high thermal conductivity tube to increase the efficiency of heat exchange of the exchange tube 3.
Working principle: the high temperature waste gas can impact the inside of the bending part 111 to be cooled to a certain degree when passing through the air inlet pipe 11, the back impact force and the temperature of the air flow are utilized to reduce the smoke particles to be settled to a certain degree, the smoke particles are easy to adhere to the inner wall of the bending part 111 and the bending point of the bending part 111, the waste gas can be discharged through opening the blow-off valve 5 to discharge the smoke particles at the bending point of the bending part 111, the inner wall of the bending part 111 can be cleaned through the blow-off valve 5, then the waste gas enters the heat exchanger 2 from the air inlet pipe 11 to be contacted with the special-shaped part 33 of the exchange pipe 3, cold liquid can be discharged from the inlet end 31 of the exchange pipe 3 through the special-shaped part 33 to be discharged from the outlet end 32, the high temperature waste gas can be subjected to heat exchange with cold in the special-shaped part 33, then the waste gas enters the purifier 4 to be primarily purified and then is discharged from the exhaust pipe 13 through the communicating pipe 12, so that the heat energy carried by the high temperature waste gas can be recovered by the cold liquid through the heat exchange, the special-shaped part 33 is formed by communicating a plurality of annular parts as shown in figure 1, the mutually communicated parts are in multiple directions, so that the cold liquid can flow in a special shape to form a turbulent flow, and the special flow can be turbulent flow, and turbulent flow of the cold flow can be formed.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. Waste heat recovery system suitable for horizontal pull oven high temperature waste gas of membrane material technology, a serial communication port, including intake pipe (11), heat exchanger (2), communicating pipe (12), clarifier (4) and blast pipe (13) that communicate in proper order, fixedly connected with exchange tube (3) on heat exchanger (2), exchange tube (3) can divide into entry end (31), dysmorphism portion (33) and exit end (32) that communicate in proper order, dysmorphism portion (33) are a plurality of cyclic annular portion constitution of mutual intercommunication and its be located heat exchanger (2) inner chamber.
2. The waste heat recovery system suitable for the high-temperature waste gas of the film process transverse drawing oven according to claim 1, wherein the air inlet pipe (11) is provided with a V-shaped bending part (111), and a blow-down valve (5) is arranged at the bending point of the bending part (111).
3. The waste heat recovery system suitable for high-temperature waste gas of a transverse drawing oven of a film process according to claim 1, wherein a first end of the communicating pipe (12) is communicated with the heat exchanger (2), a second end of the communicating pipe (12) is communicated with the purifier (4), and the inner diameter of the communicating pipe (12) increases from the first end to the second end.
4. The waste heat recovery system for the high-temperature waste gas of the transverse drawing oven for the film process according to claim 1, wherein the air inlet pipe (11), the communicating pipe (12) and the exhaust pipe (13) are all high-temperature resistant pipe fittings.
5. Waste heat recovery system suitable for high temperature exhaust gas of film process cross-draw oven according to claim 1, characterized in that the exchange tube (3) is a high thermal conductivity tube.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465914X | 2023-03-09 | ||
| CN202320465914 | 2023-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170027U true CN220170027U (en) | 2023-12-12 |
Family
ID=89059031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321560300.6U Active CN220170027U (en) | 2023-03-09 | 2023-06-19 | Waste heat recovery system suitable for high-temperature waste gas of transverse drawing oven of film material process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170027U (en) |
-
2023
- 2023-06-19 CN CN202321560300.6U patent/CN220170027U/en active Active
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