CN220257583U - Condensing equipment of waste gas in waterborne polyurethane resin production - Google Patents
Condensing equipment of waste gas in waterborne polyurethane resin production Download PDFInfo
- Publication number
- CN220257583U CN220257583U CN202321582082.6U CN202321582082U CN220257583U CN 220257583 U CN220257583 U CN 220257583U CN 202321582082 U CN202321582082 U CN 202321582082U CN 220257583 U CN220257583 U CN 220257583U
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- China
- Prior art keywords
- cylinder
- pipe
- liquid receiving
- refrigerant circulation
- refrigerant
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- 239000002912 waste gas Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 229920005749 polyurethane resin Polymers 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 239000003507 refrigerant Substances 0.000 claims abstract description 56
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model discloses a condensing device for waste gas in the production of aqueous polyurethane resin, which comprises a gas cylinder, a refrigerant circulation cylinder, a liquid receiving cylinder and a cylinder cover, wherein N liquid receiving cylinders are arranged between the gas cylinder and the cylinder cover, one refrigerant circulation cylinder is arranged between any two liquid receiving cylinders which are adjacent up and down, at least one air inlet pipe is arranged at the bottom of the gas cylinder, M condensing pipes which are arranged according to an annular array are arranged in the refrigerant circulation cylinder, M air guide pipes which are arranged according to the annular array are arranged in the liquid receiving cylinder, the top of each air guide pipe is inserted into the adjacent condensing pipe which is positioned right above the liquid guide pipe, a refrigerant inflow pipeline and a refrigerant outflow pipeline are arranged on the side wall of each refrigerant circulation cylinder, and a liquid outflow pipe is arranged on the side wall of each liquid receiving cylinder. The beneficial effects are that: the condensing device adopts a modularized design, can select the installation quantity of the refrigerant circulation cylinder and the liquid receiving cylinder according to the requirement of the condensation quantity, and selects the quantity of the refrigerant introduced into the refrigerant circulation cylinder according to the requirement of the condensation quantity when in use, so that the flexibility is good.
Description
Technical Field
The utility model relates to the field of waterborne polyurethane resin production equipment, in particular to a condensing device for waste gas in the production of waterborne polyurethane resin.
Background
The aqueous polyurethane resin is polyurethane with water as a dispersion medium, waste gas containing chemical substances can be generated in the production process of the aqueous polyurethane resin, the waste gas can not be directly discharged according to the environmental protection requirement, recovery treatment is needed, and in order to reduce the waste gas storage space, the waste gas is generally stored in a compressed storage mode or in a mode of condensing the waste gas into liquid, wherein the condensation into the liquid is safer to store. The existing condensing device is required to be designed and produced according to different condensing amounts, and the condensing amount is fixed and cannot be changed after the condensing device is produced.
Disclosure of Invention
The utility model aims to overcome the problems in the prior art and provide a condensing device for waste gas in the production of aqueous polyurethane resin.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a condensing equipment of waste gas in waterborne polyurethane resin production, includes the gas cylinder that is arranged in collecting the waste gas that produces in the waterborne polyurethane production process, is arranged in cooling the refrigerant circulation section of thick bamboo of waste gas that produces in the waterborne polyurethane production process, is arranged in collecting liquid section of thick bamboo, cover of condensate, install N between gas cylinder and the cover and connect liquid section of thick bamboo, two arbitrary upper and lower neighbors connect install a refrigerant circulation section of thick bamboo between the liquid section of thick bamboo, the bottom of gas cylinder is equipped with an intake pipe at least, be equipped with M condenser pipes of arranging according to annular array in the refrigerant circulation section of thick bamboo, be equipped with M air duct of arranging according to annular array in the liquid section of thick bamboo that connects, the top of air duct inserts and is located its directly over and in the adjacent condenser pipe, be equipped with refrigerant inflow pipe and refrigerant outflow pipe on the lateral wall of liquid section of thick bamboo connects and is equipped with liquid outflow pipe on the lateral wall of liquid section of thick bamboo.
The cross section of the condensing tube and the cross section of the air duct are circular, the tube wall thickness of the condensing tube is the same from bottom to top, the tube wall thickness of the air duct is the same from bottom to top, the outer diameter of the condensing tube is the same from bottom to top, the outer diameter of the air duct is gradually reduced from bottom to top, and the outer diameter of the top end of the air duct is smaller than the inner diameter of the condensing tube.
A sealing gasket is clamped between the top end of the refrigerant circulation cylinder and the bottom end of the liquid receiving cylinder, and a through hole for the waste gas generated in the production process of the water-based polyurethane to pass through is formed in the sealing gasket; a sealing ring is respectively clamped between the top end of the gas cylinder and the bottom end of the liquid receiving cylinder, between the top end of the liquid receiving cylinder and the bottom end of the refrigerant circulation cylinder and between the liquid receiving cylinder and the bottom end of the cylinder cover.
The refrigerant inflow pipeline and the refrigerant outflow pipeline are symmetrical with respect to the center of the refrigerant circulation cylinder.
The bottom end of the gas cylinder is fixedly connected with a supporting ring, and a plurality of supporting legs distributed according to an annular array are fixedly connected to the bottom end of the supporting ring.
The cylinder cover is characterized in that an exhaust pipe is arranged in the center of the top end of the cylinder cover, and a safety valve is arranged on the exhaust pipe.
The beneficial effects of the utility model are as follows: the condensing device adopts a modularized design, can select the installation quantity of the refrigerant circulation cylinder and the liquid receiving cylinder according to the requirement of the condensation quantity, and selects the quantity of the refrigerant introduced into the refrigerant circulation cylinder according to the requirement of the condensation quantity when in use, so that the flexibility is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of a condensing unit according to the present utility model at a first view;
FIG. 2 is a schematic view of a condensing unit according to a second view of the present utility model;
FIG. 3 is a schematic view of the structure of the media flow cartridge of the present utility model;
FIG. 4 is a schematic view of the structure of the liquid receiving cylinder in the utility model;
FIG. 5 is a schematic view of the gasket of the present utility model;
fig. 6 is a schematic structural view of a seal ring in the present utility model.
The reference numerals in the figures illustrate: the air collecting cylinder 1, the refrigerant circulation cylinder 2, the liquid receiving cylinder 3, the cylinder cover 4, the air inlet pipe 5, the condensing pipe 6, the air guide pipe 7, the refrigerant inflow pipe 7, the refrigerant outflow pipe 8, the liquid outflow pipe 9, the sealing gasket 10, the through hole 11, the sealing ring 12, the supporting ring 13, the supporting leg 14, the exhaust pipe 15 and the safety valve 16.
Detailed Description
The utility model will be described in detail below with reference to the drawings in combination with embodiments.
As shown in fig. 1 to 6, a condensing device for waste gas in the production of aqueous polyurethane resin comprises a gas cylinder 1 for collecting waste gas generated in the production process of aqueous polyurethane, a refrigerant circulation cylinder 2 for cooling the waste gas generated in the production process of aqueous polyurethane, a liquid receiving cylinder 3 for collecting condensate and a cylinder cover 4, wherein 6 liquid receiving cylinders 3 are arranged between the gas cylinder 1 and the cylinder cover 4, and one refrigerant circulation cylinder 2 is arranged between any two liquid receiving cylinders 3 which are adjacent up and down; a sealing gasket 10 is clamped between the top end of the refrigerant circulation cylinder 2 and the bottom end of the liquid receiving cylinder 3, a through hole 11 for the waste gas generated in the production process of the aqueous polyurethane to pass through is arranged on the sealing gasket 10, and the sealing gasket 10 prevents the refrigerant in the refrigerant circulation cylinder 2 from flowing out from a gap between the top end of the refrigerant circulation cylinder 2 and the bottom end of the liquid receiving cylinder; a sealing ring 12 is respectively clamped between the top end of the gas cylinder 1 and the bottom end of the liquid receiving cylinder 3, between the top end of the liquid receiving cylinder 3 and the bottom end of the refrigerant circulation cylinder 2, and between the liquid receiving cylinder 3 and the bottom end of the cylinder cover 4.
The bottom end of the gas cylinder 1 is fixedly connected with a support ring 13, the bottom end of the support ring 13 is fixedly connected with a plurality of support legs 14 which are distributed according to an annular array, and the bottom of the gas cylinder 1 is at least provided with one gas inlet pipe 5.
91 condenser pipes 6 are arranged in the refrigerant circulation cylinder 2 according to an annular array, the cross section of each condenser pipe 6 is circular, the pipe wall thickness of each condenser pipe 6 is the same from bottom to top, the outer diameter of each condenser pipe 6 is the same from bottom to top, and the top ends of the condenser pipes 6 are flush with the top ends of the cylinder walls of the refrigerant circulation cylinder 2.
The liquid receiving cylinder 3 is internally provided with 91 air guide pipes 7 which are arranged according to an annular array, the cross sections of the air guide pipes 7 are all round, the pipe wall thickness of the air guide pipes 7 is the same from bottom to top, the outer diameter of the air guide pipes 7 is gradually reduced from bottom to top, and the top end of the air guide pipes 7 is higher than the top end of the cylinder wall of the liquid receiving cylinder 3.
The outer diameter of the top end of the air duct 7 is smaller than the inner diameter of the condensation pipe 6, and the top of the air duct 7 is inserted into the condensation pipe 6 which is positioned right above and adjacent to the air duct.
The side wall of the refrigerant circulation cylinder 2 is provided with a refrigerant inflow pipeline 7 and a refrigerant outflow pipeline 8, and the refrigerant inflow pipeline 7 and the refrigerant outflow pipeline 8 are symmetrical relative to the center of the refrigerant circulation cylinder 2.
The side wall of the liquid receiving cylinder 3 is provided with a liquid outflow pipe 9.
The center of the top end of the cylinder cover 4 is provided with an exhaust pipe 15, and a safety valve 16 is arranged on the exhaust pipe 15 to prevent safety accidents caused by overhigh air pressure in the condensing device.
The exhaust port of the reaction kettle for producing the aqueous polyurethane resin and the exhaust port of the emulsifying kettle are respectively communicated with an air inlet pipe at the bottom of the air collecting cylinder by pipelines, waste gas generated in the production process of the aqueous polyurethane resin is collected into the air collecting cylinder, the waste gas is dispersed into each liquid receiving cylinder and each condensing pipe along a condensing pipe and an air guide pipe, refrigerants respectively flow into each refrigerant circulating cylinder 2 from a refrigerant inflow pipeline 7, heat exchange is carried out between the refrigerants and the refrigerant circulating cylinders 2 and the condensing pipe 6, the waste gas generated in the production process of the aqueous polyurethane resin is cooled and condensed into liquid, the condensed liquid drops in the liquid receiving cylinder and is discharged from the liquid outflow pipe 9, the liquid outflow pipe 9 is communicated with the liquid collecting cylinder by the pipelines, and the condensed liquid is collected together for storage.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a condensing equipment of waste gas in waterborne polyurethane resin production which characterized in that: the liquid collecting device comprises a gas collecting cylinder for collecting waste gas generated in the production process of water-based polyurethane, a refrigerant circulation cylinder for cooling the waste gas generated in the production process of water-based polyurethane, a liquid receiving cylinder for collecting condensate and a cylinder cover, wherein N liquid receiving cylinders are arranged between the gas collecting cylinder and the cylinder cover, a refrigerant circulation cylinder is arranged between any two upper and lower adjacent liquid receiving cylinders, at least one air inlet pipe is arranged at the bottom of the gas collecting cylinder, M condensing pipes distributed according to an annular array are arranged in the refrigerant circulation cylinder, M air guide pipes distributed according to the annular array are arranged in the liquid receiving cylinder, the top of each air guide pipe is inserted into the condensing pipe which is positioned right above the air guide pipe and is adjacent to the air guide pipe, a refrigerant inflow pipeline and a refrigerant outflow pipeline are arranged on the side wall of the refrigerant circulation cylinder, and a liquid outflow pipe is arranged on the side wall of the liquid receiving cylinder.
2. The condensing unit of claim 1, wherein: the cross section of condenser pipe and the cross section of air duct are circular, the pipe wall thickness of condenser pipe is from down upwards the same, the pipe wall thickness of air duct is from down upwards the same, the external diameter of condenser pipe is from down upwards the same, the external diameter of air duct is from down upwards gradually reduced, the external diameter at air duct top is less than the internal diameter of condenser pipe.
3. The condensing unit of claim 1, wherein: a sealing gasket is clamped between the top end of the refrigerant circulation cylinder and the bottom end of the liquid receiving cylinder, and is provided with a through hole for the waste gas generated in the production process of the water-based polyurethane to pass through; a sealing ring is respectively clamped between the top end of the gas cylinder and the bottom end of the liquid receiving cylinder, between the top end of the liquid receiving cylinder and the bottom end of the refrigerant circulation cylinder and between the liquid receiving cylinder and the bottom end of the cylinder cover.
4. The condensing unit of claim 1, wherein: the refrigerant inflow pipe and the refrigerant outflow pipe are symmetrical with respect to the center of the refrigerant circulation cylinder.
5. The condensing unit of claim 1, wherein: the bottom end of the gas cylinder is fixedly connected with a supporting ring, and a plurality of supporting legs distributed according to an annular array are fixedly connected to the bottom end of the supporting ring.
6. The condensing unit of claim 1, wherein: an exhaust pipe is arranged in the center of the top end of the cylinder cover, and a safety valve is arranged on the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582082.6U CN220257583U (en) | 2023-06-20 | 2023-06-20 | Condensing equipment of waste gas in waterborne polyurethane resin production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582082.6U CN220257583U (en) | 2023-06-20 | 2023-06-20 | Condensing equipment of waste gas in waterborne polyurethane resin production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220257583U true CN220257583U (en) | 2023-12-29 |
Family
ID=89310999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321582082.6U Active CN220257583U (en) | 2023-06-20 | 2023-06-20 | Condensing equipment of waste gas in waterborne polyurethane resin production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220257583U (en) |
-
2023
- 2023-06-20 CN CN202321582082.6U patent/CN220257583U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: 201400 12 / F, building 2, 1919 Baziqiao Road, Nanqiao Town, Fengxian District, Shanghai Patentee after: Shanghai Xinjai Technology Co.,Ltd. Address before: Room 3A17, No. 284 Zhongshan Avenue Middle, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee before: GUANGZHOU CONFON CHEMICAL TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |