CN216619842U - Waste heat recovery equipment in VOC waste gas incineration system - Google Patents
Waste heat recovery equipment in VOC waste gas incineration system Download PDFInfo
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- CN216619842U CN216619842U CN202122510327.1U CN202122510327U CN216619842U CN 216619842 U CN216619842 U CN 216619842U CN 202122510327 U CN202122510327 U CN 202122510327U CN 216619842 U CN216619842 U CN 216619842U
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- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 239000002912 waste gas Substances 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 73
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 67
- 239000002184 metal Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
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- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The utility model discloses waste heat recovery equipment in a VOC waste gas incineration system, which comprises a heat exchanger shell and a high-temperature gas inlet, wherein the high-temperature gas inlet is fixedly connected to the left end position of the heat exchanger shell, the right end of the heat exchanger shell is provided with a high-temperature gas outlet, an expansion element is arranged at the joint of the high-temperature gas inlet and the high-temperature gas outlet, and two ends of the inner side of the heat exchanger shell are provided with heat exchange plate pairs. The arc wave type structure further enhances the heat transfer effect and simultaneously improves the pressure bearing capacity, and the laser melting penetration welding improves the stability of the welding performance.
Description
Technical Field
The utility model relates to the technical field of waste heat recovery, in particular to waste heat recovery equipment in a VOC waste gas incineration system.
Background
The english abbreviation of Volatile Organic Compounds (VOCs) is VOC. Is a common pollutant discharged from petroleum, chemical industry and places using organic solvents, can cause harm to human health when being directly contacted, and also contains a plurality of carcinogenic substances.
The VOC is mainly from industrial waste gas, automobile tail gas, photochemical pollution and the like generated by fuel combustion and transportation outdoors; and in the room, the smoke is mainly generated from combustion products such as coal and natural gas, smoke generated by smoking, heating and cooking, building and decorative materials, furniture, household appliances, cleaning agents, the emission of human bodies and the like. In the process of interior decoration, volatile organic compounds mainly come from paints, coatings and adhesives.
At present, VOC organic waste gas can generate a large amount of heat energy in the process of incineration, and the traditional treatment mode directly discharges the heat energy generated in the process of incineration into air, thereby not only causing certain damage to the environment, but also wasting high-grade heat energy in vain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide waste heat recovery equipment in a VOC waste gas incineration system, and aims to solve the problems that the existing VOC organic waste gas in the background art can generate a large amount of heat energy in the incineration process, the direct discharge not only damages the environment, but also wastes the generated heat energy.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waste heat recovery equipment in VOC waste gas burns system, includes heat exchanger shell and high-temperature gas import, high-temperature gas import installation fixed connection is on the left end position of heat exchanger shell, the right-hand member of heat exchanger shell is provided with the high-temperature gas export, high-temperature gas import and high-temperature gas exit linkage department are provided with the inflation component, the inboard both ends of heat exchanger shell are provided with the heat transfer board right, the upper end left side of heat exchanger shell is provided with liquid outlet header box, the diagonal angle department of liquid outlet header box is provided with liquid inlet header box on being located the heat exchanger shell.
Wherein, port department a week of high-temperature gas import and high-temperature gas export is provided with the interface flange, the inboard of interface flange is located high-temperature gas import and high-temperature gas export and is provided with the heat transfer core.
The heat exchange plate pair is formed by overlapping a first heat exchange plate sheet and a second heat exchange plate sheet, the metal plate is pressed and formed by a forming die through an oil press, and the surface of the metal plate is in a circular arc wavy shape.
The heat exchange core body is arranged in the heat exchanger shell at intervals by adopting a plurality of heat exchange plate pairs, and a plate liquid inlet and a plate liquid outlet on the plurality of heat exchange plate pairs are respectively welded with the heat exchanger shell and then collect a plurality of liquid inlet and outlet pipe orifices and are communicated with the liquid inlet collecting pipe box and the liquid outlet collecting pipe box.
The flow channel of the high-temperature gas is of a straight-through structure and is formed by arranging a plurality of heat exchange plate pairs at intervals.
Wherein, the flow channel of the liquid is of an S-shaped structure.
The high-temperature gas inlet and the high-temperature gas outlet are respectively arranged at two ends of the heat exchanger shell and are arranged on the heat exchanger interface flange in a welding mode.
In summary, due to the adoption of the technology, the utility model has the beneficial effects that:
1. according to the utility model, the heat transfer effect can be enhanced and the pressure-bearing capacity is improved through the heat exchange plate pair structure, the heat exchange plate pair is respectively overlapped by the first heat exchange plate sheet and the second heat exchange plate sheet, the metal plate is pressed and molded by the oil press through the molding die, and the surface is in a circular arc wave shape. The arc wave type structure further enhances the heat transfer effect and simultaneously improves the pressure bearing capacity, and the laser melting penetration welding improves the stability of the welding performance.
2. According to the utility model, the plate liquid inlets and the plate liquid outlets on the plurality of heat exchange plate pairs are respectively welded with the heat exchanger shell, then the plate liquid inlets and the plate liquid outlets are converged into the plurality of liquid inlet and outlet pipe orifices and are communicated with the liquid inlet header box and the liquid outlet header box, so that a high-temperature gas flow channel is formed in a straight-through structure and is formed by arranging the plurality of heat exchange plate pairs at intervals, namely, the high-temperature flue gas flows from the high-temperature gas inlet to the high-temperature gas outlet in a straight-line direction, and the resistance drop can be further reduced.
Drawings
FIG. 1 is a side view of a welded plate heat exchanger of a waste heat recovery device in a VOC waste gas incineration system of the present invention;
FIG. 2 is a front view of a welded plate heat exchanger of a waste heat recovery device in the VOC waste gas incineration system of the present invention;
FIG. 3 is a schematic structural diagram of a heat exchange plate pair of a waste heat recovery device in a VOC waste gas incineration system according to the present invention;
fig. 4 is a partial sectional view of a heat exchange plate pair of a waste heat recovery apparatus in a VOC exhaust gas incineration system of the present invention.
In the figure: 1. a heat exchanger housing; 2. a heat exchange core body; 3. a liquid inlet header; 4. a liquid outlet header; 5. a high temperature gas inlet; 6. a high-temperature gas outlet; 7. a pair of heat exchange plates; 8. a first heat exchange plate; 9. a second heat exchange plate; 10. an interface flange; 11. an expansion element; 12. a slab liquid inlet; 13. and a liquid outlet of the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example one
Referring to fig. 1 and 2, a waste heat recovery device in a VOC waste gas incineration system, comprising a heat exchanger housing 1 and a high temperature gas inlet 5, the high temperature gas inlet 5 is fixedly connected to the left end of the heat exchanger housing 1, the right end of the heat exchanger housing 1 is provided with a high temperature gas outlet 6, an expansion element 11 is arranged at the joint of the high temperature gas inlet 5 and the high temperature gas outlet 6, heat exchange plate pairs 7 are arranged at the two ends of the inner side of the heat exchanger housing 1, a liquid outlet header tank 4 is arranged at the left side of the upper end of the heat exchanger housing 1, a liquid inlet header tank 3 is arranged at the diagonal position of the liquid outlet header tank 4 on the heat exchanger housing 1, when the device is used, firstly, the high temperature gas inlet 5 and the high temperature gas outlet 6 at the two ends of the heat exchanger housing 1 are respectively connected with an inlet and an outlet of an external waste gas incineration pipeline, and after the plate liquid inlet 12 and the plate liquid outlet 13 inside the heat exchanger housing 1 are respectively welded with the heat exchanger housing 1, the plate liquid inlet 12 and the plate liquid outlet 13 are firstly The expansion element 11 is used for absorbing axial expansion displacement of the heat exchange core 2 caused by temperature difference under working conditions, so as to prevent thermal stress cracks generated at welding positions of the heat exchange core 2, the liquid inlet header 3 and the liquid outlet header 4, and a flow channel of the liquid is of an S-shaped structure, namely low-temperature liquid flows to the inner heat exchange medium channel of the liquid inlet header 3 to the liquid outlet header 4 through a plurality of heat exchange plates 7 to perform cross-flow heat exchange with high-temperature gas in an S-shaped flow mode.
According to the utility model, the interface flanges 10 are arranged on the peripheries of the port parts of the high-temperature gas inlet 5 and the high-temperature gas outlet 6, the heat exchange cores 2 are arranged on the inner sides of the interface flanges 10, which are positioned on the high-temperature gas inlet 5 and the high-temperature gas outlet 6, the high-temperature gas inlet 5 and the high-temperature gas outlet 6 are respectively arranged at two ends of the heat exchanger shell 1 and are arranged on the heat exchanger interface flanges 10 in a welding mode, when the high-temperature gas inlet 5 and the high-temperature gas outlet 6 are connected with an external gas inlet pipeline and an external gas outlet pipeline through the interface flanges 10 and are fixedly connected through the interface flanges 10, so that the installation is more convenient, and the heat exchange cores 2 are arranged on the inner sides of the high-temperature gas inlet 5 and the high-temperature gas outlet 6, so that the heat exchange can be well carried out.
In the utility model, the flow channel of the high-temperature gas is a straight-through structure and is formed by arranging a plurality of heat exchange plate pairs 7 at intervals, and the flow channel of the liquid is of an S-shaped structure, so that the low-temperature liquid flows from the liquid inlet header tank 3 to the liquid outlet header tank 4 through the S-shaped structure and carries out cross flow heat exchange with the high-temperature gas in an S-shaped flow mode through the internal heat exchange medium channels of the plurality of heat exchange plate pairs 7.
The working principle is as follows: when the device is used, firstly, a high-temperature gas inlet 5 and a high-temperature gas outlet 6 at two ends of a shell 1 of the heat exchanger are respectively connected with an inlet and an outlet of an external waste gas incineration pipeline, a plurality of liquid inlet and outlet pipe orifices are respectively collected after the plate liquid inlet 12 and the plate liquid outlet 13 which pass through the inside of the heat exchanger shell 1 are respectively welded with the heat exchanger shell 1 and are communicated with the liquid inlet collection pipe box 3 and the liquid outlet collection pipe box 4, wherein the expansion element 11 is used for absorbing the axial expansion displacement of the heat exchange core body 2 caused by temperature difference under the working condition, preventing the heat stress crack generated at the welding position of the heat exchange core body 2 with the liquid inlet header tank 3 and the liquid outlet header tank 4, and the flow channel of the liquid is of an S-shaped structure, namely, the low-temperature liquid flows from the liquid inlet header tank 3 to the liquid outlet header tank 4 and carries out cross flow heat exchange with the high-temperature gas in an S-shaped flow mode through the internal heat exchange medium channels of the plurality of heat exchange plate pairs 7.
Example two
Referring to fig. 1, 2 and 4, in the embodiment of the waste heat recovery device in a VOC waste gas incineration system, compared with the first embodiment, a pair of heat exchange plates 7 is respectively overlapped by a first heat exchange plate 8 and a second heat exchange plate 9, a metal plate is pressed and molded by an oil press through a molding die, and the surface of the metal plate is in a circular arc wavy shape.
The working principle is as follows: the heat exchange plate pair 7 is formed by overlapping a first heat exchange plate 8 and a second heat exchange plate 9 respectively, the metal plate is pressed and formed by an oil press through a forming die, and the surface of the metal plate is in a circular arc wavy shape. The arc wave type structure further enhances the heat transfer effect and simultaneously improves the pressure bearing capacity. The laser melting penetration welding improves the stability of the welding performance.
EXAMPLE III
Referring to fig. 1, fig. 2 and fig. 3, in the present embodiment, compared with the second embodiment, a heat exchange core 2 is disposed at intervals by using a plurality of heat exchange plate pairs 7, and is juxtaposed in a heat exchanger housing 1, wherein a plate liquid inlet 12 and a plate liquid outlet 13 on the plurality of heat exchange plate pairs 7 are respectively welded to the heat exchanger housing 1, and then collect a plurality of liquid inlet and outlet nozzles, and are communicated with a liquid inlet header 3 and a liquid outlet header 4.
The working principle is as follows: the plate liquid inlets 12 and the plate liquid outlets 13 on the heat exchange plate pairs 7 are respectively welded with the heat exchanger shell 1 and then collect a plurality of liquid inlet and outlet pipe orifices and are communicated with the liquid inlet collecting pipe box 3 and the liquid outlet collecting pipe box 4, so that a high-temperature gas flow channel is formed in a straight-through structure and is formed by arranging the heat exchange plate pairs 7 at intervals, namely, the high-temperature flue gas flows from the high-temperature gas inlet 5 to the high-temperature gas outlet 6 in a straight-line direction, and the resistance drop can be further reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. The utility model provides a waste heat recovery equipment among VOC waste gas incineration system, includes heat exchanger casing (1) and high-temperature gas import (5), its characterized in that: the heat exchanger is characterized in that a high-temperature gas inlet (5) is fixedly connected to the left end of a heat exchanger shell (1), a high-temperature gas outlet (6) is arranged at the right end of the heat exchanger shell (1), an expansion element (11) is arranged at the joint of the high-temperature gas inlet (5) and the high-temperature gas outlet (6), heat exchange plate pairs (7) are arranged at two ends of the inner side of the heat exchanger shell (1), a liquid outlet header box (4) is arranged on the left side of the upper end of the heat exchanger shell (1), and a liquid inlet header box (3) is arranged on the heat exchanger shell (1) at the diagonal position of the liquid outlet header box (4).
2. A waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 1, characterized in that: the port department a week of high-temperature gas import (5) and high-temperature gas export (6) is provided with interface flange (10), the inboard of interface flange (10) is located and is provided with heat transfer core (2) on high-temperature gas import (5) and high-temperature gas export (6).
3. A waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 1, characterized in that: the heat exchange plate pairs (7) are overlapped by a first heat exchange plate (8) and a second heat exchange plate (9) respectively, the metal plate is pressed and formed by an oil press through a forming die, and the surface of the metal plate is in a circular arc wavy shape.
4. A waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 2, characterized in that: the heat exchange core body (2) is arranged in the heat exchanger shell (1) in a spaced mode through a plurality of heat exchange plate pairs (7), wherein plate sheet liquid inlets (12) and plate sheet liquid outlets (13) on the heat exchange plate pairs (7) are respectively welded with the heat exchanger shell (1) and then collect a plurality of liquid inlet and outlet pipe orifices and are communicated with the liquid inlet collecting box (3) and the liquid outlet collecting box (4).
5. The waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 1, wherein: the high-temperature gas flow channel is of a straight-through structure and is formed by a plurality of heat exchange plate pairs (7) arranged at intervals.
6. A waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 1, characterized in that: the liquid flow channel is of an S-shaped structure.
7. A waste heat recovery apparatus in a VOC exhaust gas incineration system according to claim 1, characterized in that: the high-temperature gas inlet (5) and the high-temperature gas outlet (6) are respectively arranged at two ends of the heat exchanger shell (1) and are arranged on the heat exchanger interface flange (10) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510327.1U CN216619842U (en) | 2021-10-19 | 2021-10-19 | Waste heat recovery equipment in VOC waste gas incineration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510327.1U CN216619842U (en) | 2021-10-19 | 2021-10-19 | Waste heat recovery equipment in VOC waste gas incineration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216619842U true CN216619842U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510327.1U Active CN216619842U (en) | 2021-10-19 | 2021-10-19 | Waste heat recovery equipment in VOC waste gas incineration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216619842U (en) |
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2021
- 2021-10-19 CN CN202122510327.1U patent/CN216619842U/en active Active
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