CN220990234U - Negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption - Google Patents
Negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption Download PDFInfo
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- CN220990234U CN220990234U CN202322556977.9U CN202322556977U CN220990234U CN 220990234 U CN220990234 U CN 220990234U CN 202322556977 U CN202322556977 U CN 202322556977U CN 220990234 U CN220990234 U CN 220990234U
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- negative pressure
- pressure tank
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- exhaust
- liquid separator
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- 239000002912 waste gas Substances 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 title claims description 19
- 239000007788 liquid Substances 0.000 claims abstract description 100
- 239000007789 gas Substances 0.000 claims abstract description 81
- 239000010865 sewage Substances 0.000 claims abstract description 45
- 239000000945 filler Substances 0.000 claims abstract description 43
- 239000012224 working solution Substances 0.000 claims abstract description 27
- 239000002910 solid waste Substances 0.000 claims description 15
- 238000004064 recycling Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 210000000476 body water Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000001877 deodorizing effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a negative pressure tank integrating pump body working solution cooling and tail end waste gas adsorption, and relates to the field of sewage treatment. According to the utility model, the exhaust pipe is used for extending the exhaust gas treatment cavity to the outside of the negative pressure tank body, and the exhaust gas treatment cavity is processed according to the size of the treated filler, so that the exhaust gas can be ensured to intensively pass through the filler, and the odor absorption efficiency is improved. The gas-liquid separator is arranged in the negative pressure tank body, and the working solution of the vacuum pump is cooled through flowing sewage.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to a negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption.
Background
The negative pressure power center mainly collects sewage in a negative pressure intelligent collector in a tree-shaped negative pressure collecting pipe network into a negative pressure collecting tank at the tail end of the system through negative pressure, and then performs concentrated discharge or treatment.
The negative pressure center consists of a vacuum pump set, a gas-liquid separator, a negative pressure tank, a sewage pump set, an electric control cabinet and a deodorizing module.
The cash gas-liquid separator separates liquid from gas by separating the liquid from the gas in a tank. The gas is directly discharged and then is processed through an external deodorizing module by a pipeline, and the liquid is recovered in a gas-liquid separator to continue to participate in work. Because the filler inside the external deodorizing module is dispersed, all gases cannot be guaranteed to pass through the middle of the filler, and the odor of the gases cannot be completely absorbed, so that the gas at the outlet is odorous. And the external deodorization module may have leakage points in the manufacturing process, so that the internal odor leaks outwards, thereby polluting the working environment.
The working solution in the cash gas-liquid separator is cooled by air cooling at room temperature or by generating heat exchange by continuously increasing cool working solution into high-temperature working solution. Because the working solution is in the semi-closed square container of the gas-liquid separator, the working solution gathers and the temperature cannot be effectively dispersed. The high temperature of the operation of the vacuum pump set is easily caused, the operation efficiency of the pump set is reduced, the time for generating negative pressure is reduced, and the energy consumption is increased. The heat exchange needs to occur in a short time in a mode of filling the working solution, the filling amount is large, the exchanged working solution is discharged in time, the environment temperature is continuously increased, and the waste of tap water or other cooling liquid is also caused.
Disclosure of utility model
In order to overcome the defects, the utility model aims to provide the negative pressure tank which can fully absorb peculiar smell in gas, cool the gas-liquid separator through sewage in the negative pressure tank and reduce operation and maintenance cost and integrate pump body working solution cooling and tail end waste gas adsorption.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the negative pressure tank integrating pump body working solution cooling and tail end waste gas adsorption comprises a negative pressure tank body, a gas-liquid separator is arranged in the negative pressure tank body, sewage flowing in the negative pressure tank body exchanges heat with the high-temperature gas-liquid separator, and the sewage can absorb heat generated by the working solution in the gas-liquid separator, so that the working solution in the gas-liquid separator is cooled, the vacuum pump is at a proper temperature, and the working efficiency of the vacuum pump is improved.
The outside of negative pressure jar body is provided with the exhaust-gas treatment chamber, vapour and liquid separator and exhaust-gas treatment chamber pass through first calandria intercommunication, the inside packing in exhaust-gas treatment chamber has the processing filler, processes the exhaust-gas treatment chamber according to the size of processing filler, guarantees that filler and exhaust-gas treatment chamber can fully contact, prevents that waste gas from passing through from the clearance department between filler and the exhaust-gas treatment chamber, the end in exhaust-gas treatment chamber is provided with the blast pipe, the top of blast pipe is provided with the gas vent, and waste gas flows out from vapour and liquid separator and enters into the exhaust-gas treatment intracavity through first calandria, and waste gas is discharged from the gas vent after the processing filler filters. The exhaust gas is subjected to single air duct setting, when the exhaust gas meets a certain pressure, the exhaust gas flows from a high pressure to a low pressure, the exhaust gas passes through the treatment filler in the flowing process, and the treatment filler can fully absorb peculiar smell in the exhaust gas.
And welding gas-liquid separators of different specifications at the tangent position of the inner wall of the negative pressure tank body in the negative pressure tank body, wherein the size of the gas-liquid separators is designed according to the working solution of the vacuum pump and the duty ratio of waste gas, so that the final size of the gas-liquid separators is obtained, and the liquid level of the working solution in the gas-liquid separators is ensured to be lower than the height of sewage in the negative pressure tank body.
According to the application, the exhaust gas treatment cavity is extended to the outside of the negative pressure tank body by using the exhaust pipe, and is processed according to the size of the treated filler, so that the gas-liquid separator tends to be minimized under the condition that the filler can be installed, and meanwhile, the exhaust gas can be ensured to intensively pass through the filler, and the odor absorption efficiency is improved. According to the application, the gas-liquid separator is arranged in the negative pressure tank body, and the sewage flowing in the negative pressure tank body can exchange heat with the heat generated by the gas-liquid separator, so that the working fluid in the gas-liquid separator is cooled, the accumulated temperature is radiated to a large space, the working fluid is ensured to be in a certain temperature range, the operating temperature of the vacuum pump can be ensured to a certain extent, and the operating efficiency is improved.
Further is: the gas-liquid separator is arranged at the middle lower part of the negative pressure tank body, so that the liquid level of working liquid in the gas-liquid separator is lower than the liquid level of sewage in the negative pressure tank body, and the working liquid can be sufficiently cooled.
Further is: the exhaust pipe is a heightened exhaust pipe, and the gas after peculiar smell treatment can be subjected to primary gas-liquid separation through the heightened exhaust pipe, so that the dryness of the exhaust gas is ensured. The exhaust treatment cavity is internally provided with a second calandria below the exhaust pipe, and the second calandria is respectively communicated with the exhaust treatment cavity and the gas-liquid separator, so that liquid which is subjected to gas-liquid separation at the exhaust port flows back into the gas-liquid separator.
Further is: the treatment filler is contacted with each inner side wall of the waste gas treatment cavity, so that the filler and the waste gas treatment cavity can be fully contacted, and waste gas is prevented from passing through a gap between the filler and the waste gas treatment cavity.
Further is: the outside of negative pressure jar body is provided with into dirty mouthful and drain, the inside of negative pressure jar body is provided with solid useless recovery basket, solid useless recovery basket is arranged in filtering the large granule impurity in the sewage. The solid waste recycling basket is positioned below the sewage inlet, and sewage entering from the sewage inlet flows into the negative pressure tank body through the solid waste recycling basket.
Sewage enters the negative pressure tank from the sewage inlet, starts to gather in the negative pressure tank, and due to the setting of sewage drainage, a part of sewage can be saved at the bottom of the negative pressure tank, and the saved sewage is generally in direct contact with the gas-liquid separator, so that the working solution in the gas-liquid separator is cooled.
Further is: the solid waste recycling basket is detachably connected with the negative pressure tank body, so that the solid waste recycling basket is convenient to detach and clean when large particles in the solid waste recycling basket are more.
Further is: the utility model discloses a vacuum pump, including the vacuum pump, be provided with pump body wet return and pump body inlet tube on the gas-liquid separator, the both ends of pump body wet return and pump body inlet tube communicate with gas-liquid separator and vacuum pump respectively, the working solution of vacuum pump circulates between gas-liquid separator and vacuum pump, and the working solution is cooled down in gas-liquid separator department for the working solution that enters into in the vacuum pump is in the low temperature, can improve the work efficiency of vacuum pump. The pump body return pipe and the pump body water inlet pipe respectively penetrate through the negative pressure tank body and extend to the outer side of the negative pressure tank body.
Because vacuum pump and negative pressure jar lug connection, through the inside partial odor of pump body wet return negative pressure jar also can UNICOM return to gas-liquid separation ware, after the gas-liquid separation takes place inside, through the blast pipe that sets for at gas-liquid separation ware with waste gas UNICOM to outside be equipped with the waste gas treatment chamber of filler, because inside design that is critical, waste gas can only pass through inside the filler, after the filler effectively inhales the peculiar smell, from the gas vent discharge.
Further is: the gas-liquid separator is made of metal, has good rigidity and good heat conduction performance, and can quickly exchange heat with sewage.
The utility model has the beneficial effects that the exhaust pipe is used for extending the exhaust gas treatment cavity to the outside of the negative pressure tank body, the exhaust gas treatment cavity is processed according to the size of the treated filler, the gas-liquid separator tends to be minimized under the condition that the filler can be installed, and the exhaust gas can be ensured to pass through the filler in a concentrated way. According to the utility model, the gas-liquid separator is arranged in the negative pressure tank body, and the sewage flowing in the negative pressure tank body can exchange heat with the heat generated by the gas-liquid separator, so that the working fluid in the gas-liquid separator is cooled, the accumulated temperature is radiated to a large space, the working fluid is ensured to be in a certain temperature range, the operating temperature of the vacuum pump can be ensured to a certain extent, and the operating efficiency is improved.
Drawings
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 3 is a top view of an exhaust treatment chamber according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of A-A;
in the figure: 1. a negative pressure tank body; 2. a gas-liquid separator; 3. an exhaust treatment chamber; 4. a first gauntlet; 5. treating the filler; 6. an exhaust pipe; 7. a sewage inlet; 8. a sewage outlet; 9. a solid waste recovery basket; 10. a pump body return pipe; 11. and a pump body water inlet pipe.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the embodiment of the application provides a negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption, which comprises a negative pressure tank body 1, wherein a gas-liquid separator 2 is arranged in the negative pressure tank body 1, sewage flowing in the negative pressure tank body 1 exchanges heat with the high-temperature gas-liquid separator 2, and the sewage can absorb heat generated by the working fluid in the gas-liquid separator 2, so that the working fluid in the gas-liquid separator 2 is cooled, a vacuum pump is at a proper temperature, and the working efficiency of the vacuum pump is improved.
The outside of negative pressure jar body 1 is provided with exhaust-gas treatment chamber 3, vapour and liquid separator 2 and exhaust-gas treatment chamber 3 are through first calandria 4 intercommunication, the inside packing in exhaust-gas treatment chamber 3 has the treatment filler 5, processes exhaust-gas treatment chamber 3 according to the size of treating filler 5, guarantees that filler and exhaust-gas treatment chamber 3 can fully contact, prevents that waste gas from passing through from the clearance department between filler and the exhaust-gas treatment chamber 3, the end in exhaust-gas treatment chamber 3 is provided with blast pipe 6, the top of blast pipe 6 is provided with the gas vent, and waste gas flows out from vapour and liquid separator 2 and enters into exhaust-gas treatment chamber 3 through first calandria 4, and waste gas is discharged from the gas vent after the 5 filtration of treatment filler. The exhaust gas is subjected to single air duct setting, when the exhaust gas meets a certain pressure, the exhaust gas flows from a high pressure to a low pressure, the exhaust gas passes through the treatment filler 5 in the flowing process, and the treatment filler 5 can fully absorb peculiar smell in the exhaust gas.
The gas-liquid separator 2 with different specifications is welded at the tangent position of the inner wall of the negative pressure tank body 1 along the inner wall of the negative pressure tank body 1, the size of the gas-liquid separator 2 is designed according to the working solution of the vacuum pump, the duty ratio of waste gas is combined again, the final size of the gas-liquid separator 2 is obtained, and the liquid level of the working solution in the gas-liquid separator 2 is ensured to be lower than the height of sewage in the negative pressure tank body 1.
The exhaust gas treatment cavity 3 is extended to the outside of the negative pressure tank body 1 by using the exhaust pipe, the exhaust gas treatment cavity 3 is processed according to the size of the treatment filler 5, the gas-liquid separator 2 tends to be minimized under the condition that the filler can be installed, and the exhaust gas can be ensured to intensively pass through the treatment filler. According to the application, the gas-liquid separator 2 is arranged in the negative pressure tank body 1, and sewage flowing in the negative pressure tank body 1 can exchange heat with heat generated by the gas-liquid separator 2, so that working fluid in the gas-liquid separator 2 is cooled, accumulated temperature is radiated to a large space, the working fluid is ensured to be in a certain temperature range, the operating temperature of the vacuum pump can be ensured to a certain extent, and the operating efficiency is improved.
On the basis, the gas-liquid separator 2 is arranged at the middle lower part of the negative pressure tank body 1, so that the liquid level of the working liquid in the gas-liquid separator 2 can be ensured to be lower than the liquid level of sewage in the negative pressure tank body 1, and the working liquid can be sufficiently cooled.
On the basis, the exhaust pipe 6 is a heightened exhaust pipe 6, and the gas after peculiar smell treatment can be subjected to primary gas-liquid separation through the heightened exhaust pipe 6, so that the dryness of the exhaust gas is ensured. A second calandria is arranged below the exhaust pipe 6 in the exhaust gas treatment cavity 3 and is respectively communicated with the exhaust gas treatment cavity 3 and the gas-liquid separator 2, so that liquid which is subjected to gas-liquid separation at an exhaust port flows back into the gas-liquid separator 2.
On the basis of the above, the treatment filler 5 is in contact with each inner side wall of the exhaust gas treatment cavity 3, so that the filler and the exhaust gas treatment cavity 3 can be fully contacted, and the exhaust gas is prevented from passing through a gap between the filler and the exhaust gas treatment cavity 3.
On the basis, the outside of negative pressure jar body 1 is provided with into dirty mouthful 7 and drain 8, the inside of negative pressure jar body 1 is provided with solid useless basket 9 of retrieving, solid useless basket 9 of retrieving is used for filtering the large granule impurity in the sewage. The solid waste recycling basket 9 is positioned below the sewage inlet 7, and sewage entering from the sewage inlet 7 flows into the negative pressure tank body 1 through the solid waste recycling basket 9.
Sewage enters the negative pressure tank from the sewage inlet 7, begins to gather in the negative pressure tank, and due to the setting of sewage drainage, part of sewage can be stored at the bottom of the negative pressure tank, and the stored sewage is generally in direct contact with the gas-liquid separator 2, so that the working solution in the gas-liquid separator 2 is cooled.
On the basis, the solid waste recycling basket 9 is detachably connected with the negative pressure tank body 1, so that the solid waste recycling basket 9 is convenient to detach and clean when large particles in the solid waste recycling basket 9 are more.
On the basis, be provided with pump body wet return 10 and pump body inlet tube 11 on the vapour and liquid separator 2, the both ends of pump body wet return 10 and pump body inlet tube 11 communicate with vapour and liquid separator 2 and vacuum pump respectively, the working solution of vacuum pump circulates between vapour and liquid separator 2 and vacuum pump, and the working solution cools down in vapour and liquid separator 2 department for the working solution that enters into in the vacuum pump is in the low temperature, can improve the work efficiency of vacuum pump. The pump body return pipe 10 and the pump body water inlet pipe 11 respectively penetrate through the negative pressure tank body 1 and extend to the outer side of the negative pressure tank body 1.
Because the vacuum pump is directly connected with the negative pressure tank, part of odor in the negative pressure tank is also communicated back to the gas-liquid separator 2 through the pump body water return pipe 10, after gas-liquid separation occurs in the interior, exhaust gas is communicated into the external exhaust gas treatment cavity 3 provided with filler through the exhaust pipe 6 set in the gas-liquid separator 2, and due to the internal critical design, the exhaust gas can only be treated in the filler, and after the filler is treated to effectively absorb odor, the odor is discharged from the exhaust port.
On the basis, the gas-liquid separator 2 is made of metal, and the gas-liquid separator 2 made of metal has good rigidity and good heat conduction performance and can quickly exchange heat with sewage.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides an integrated pump body working solution cooling and tail end waste gas adsorption's negative pressure jar, includes negative pressure jar body (1), its characterized in that: the inside of negative pressure jar body (1) is provided with vapour and liquid separator (2), the outside of negative pressure jar body (1) is provided with exhaust-gas treatment chamber (3), vapour and liquid separator (2) and exhaust-gas treatment chamber (3) are through first calandria (4) intercommunication, the inside packing of exhaust-gas treatment chamber (3) has treatment filler (5), the end of exhaust-gas treatment chamber (3) is provided with blast pipe (6), the top of blast pipe (6) is provided with the gas vent, and exhaust gas flows out from vapour and liquid separator (2) and enters into in exhaust-gas treatment chamber (3) through first calandria (4), and exhaust gas is discharged from the gas vent after treatment filler (5) filtration.
2. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the gas-liquid separator (2) is arranged at the middle lower part of the negative pressure tank body (1).
3. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the exhaust pipe (6) is a heightened exhaust pipe (6), a second exhaust pipe is arranged below the exhaust pipe (6) in the exhaust gas treatment cavity (3), and the second exhaust pipe is respectively communicated with the exhaust gas treatment cavity (3) and the gas-liquid separator (2), so that liquid for realizing gas-liquid separation at the exhaust port flows back into the gas-liquid separator (2).
4. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the treatment filler (5) is in contact with each inner side wall of the exhaust gas treatment chamber (3).
5. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the sewage treatment device is characterized in that a sewage inlet (7) and a sewage draining outlet (8) are arranged on the outer side of the negative pressure tank body (1), a solid waste recovery basket (9) is arranged in the negative pressure tank body (1), the solid waste recovery basket (9) is located below the sewage inlet (7), and sewage entering from the sewage inlet (7) flows into the negative pressure tank body (1) through the solid waste recovery basket (9).
6. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 5, wherein: the solid waste recycling basket (9) is detachably connected with the negative pressure tank body (1).
7. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the utility model discloses a negative pressure tank body, including vacuum pump, negative pressure tank body (1), pump body inlet tube (11), pump body return pipe (10) and pump body inlet tube (11) are provided with on vapour and liquid separator (2), the both ends of pump body return pipe (10) and pump body inlet tube (11) are respectively with vapour and liquid separator (2) and vacuum pump intercommunication, the working solution of vacuum pump circulates between vapour and liquid separator (2) and vacuum pump, negative pressure tank body (1) are passed respectively to pump body return pipe (10) and pump body inlet tube (11) and are extended to the outside of negative pressure tank body (1).
8. The negative pressure tank integrating pump body working fluid cooling and tail end exhaust gas adsorption according to claim 1, wherein: the gas-liquid separator (2) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556977.9U CN220990234U (en) | 2023-09-20 | 2023-09-20 | Negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556977.9U CN220990234U (en) | 2023-09-20 | 2023-09-20 | Negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990234U true CN220990234U (en) | 2024-05-24 |
Family
ID=91115891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322556977.9U Active CN220990234U (en) | 2023-09-20 | 2023-09-20 | Negative pressure tank integrating pump body working fluid cooling and tail end waste gas adsorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990234U (en) |
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2023
- 2023-09-20 CN CN202322556977.9U patent/CN220990234U/en active Active
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