CN113970203A - Gas-liquid separator with waste heat recovery function and high separation efficiency - Google Patents
Gas-liquid separator with waste heat recovery function and high separation efficiency Download PDFInfo
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- CN113970203A CN113970203A CN202111321574.5A CN202111321574A CN113970203A CN 113970203 A CN113970203 A CN 113970203A CN 202111321574 A CN202111321574 A CN 202111321574A CN 113970203 A CN113970203 A CN 113970203A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
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- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a gas-liquid separator with a waste heat recovery function and high separation efficiency, which belongs to the technical field of gas-liquid separators and comprises a barrel, wherein the bottom of the barrel is provided with a bottom high-pressure sealing cover, the bottom high-pressure sealing cover is provided with a liquid inlet and a liquid outlet, and a mounting groove is arranged between the liquid inlet and the liquid outlet; the barrel comprises an upper cavity and a lower cavity, a heat transfer partition plate which is integrally formed with the barrel is arranged between the upper cavity and the lower cavity, the bottom surface of the heat transfer partition plate is of a planar structure, a gas-liquid separation pipeline is arranged inside the upper cavity, an oil return cover is installed at the bottom of the gas-liquid separation pipeline, an oil return hole is formed in the end portion of one end, below the oil return cover, a first filtering device is arranged on the outer side of the oil return cover, a U-shaped pipe is arranged inside the lower cavity, one end of the U-shaped pipe is connected with a liquid inlet, the other end of the U-shaped pipe is connected with a second filtering device, and the second filtering device is fixed in a mounting groove of a bottom high-pressure sealing cover. The invention has the advantages of simple structure, noise reduction and pressure regulation, high separation efficiency, waste heat recovery function and high separation efficiency.
Description
Technical Field
The invention belongs to the technical field of gas-liquid separators, and particularly relates to a gas-liquid separator with a waste heat recovery function and high separation efficiency.
Background
A gas-liquid separator is arranged between an evaporator and a compressor of the air conditioner and is used for separating liquid drops in a medium so as to prevent the liquid drops from entering the compressor to damage the compressor.
The gas-liquid separator can absorb a large amount of heat during working to convert liquid into gas so as to form gas-liquid separation, but the existing gas-liquid separator only plays a role in gas-liquid separation, so that the structure is complicated, the gas-liquid separation efficiency is low, the separation is not thorough, meanwhile, a liquid refrigerant with waste heat output by a condenser, high-temperature high-pressure gas discharged by a compressor or other heat sources cannot be utilized, and the energy waste phenomenon exists.
Disclosure of Invention
The invention aims to provide a gas-liquid separator which has the advantages of simple structure, noise reduction and pressure regulation, high separation efficiency, waste heat recovery function and high separation efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that: a gas-liquid separator with a waste heat recovery function and high separation efficiency comprises a barrel, wherein a bottom high-pressure sealing cover is arranged at the bottom of the barrel, a liquid inlet and a liquid outlet are formed in the bottom high-pressure sealing cover, and a mounting groove is formed between the liquid inlet and the liquid outlet; the barrel comprises an upper cavity and a lower cavity, a heat transfer partition plate which is integrally formed with the barrel is arranged between the upper cavity and the lower cavity, the bottom surface of the heat transfer partition plate is of a planar structure, a gas-liquid separation pipeline is arranged inside the upper cavity, an oil return cover is installed at the bottom of the gas-liquid separation pipeline, an oil return hole is formed in the end portion of the lower bottom end of the oil return cover, a first filtering device is arranged on the outer side of the oil return cover, a U-shaped pipe is arranged inside the lower cavity, one end of the U-shaped pipe is connected with a liquid inlet, the other end of the U-shaped pipe is connected with a second filtering device, and the second filtering device is fixed in a mounting groove of a bottom high-pressure sealing cover.
A top sealing cover is installed at the upper end of the cylinder body, and a gas-liquid inlet and an oil-gas suction port are formed in the top sealing cover.
The connection part of the edge of the heat transfer clapboard and the inner wall of the upper cavity forms an arc-shaped structure.
An oil blocking cover is arranged between the gas-liquid separation pipeline and the top sealing cover, the gas-liquid separation pipeline comprises a gas inlet pipe and a gas outlet pipe, a shared pipe wall is arranged between the gas inlet pipe and the gas outlet pipe, the gas inlet pipe is communicated with the bottom of the gas outlet pipe, the gas inlet end of the gas inlet pipe is lower than the gas outlet end of the gas outlet pipe and higher than the lower edge of the oil blocking cover, the gas outlet end of the gas outlet pipe penetrates through the oil blocking cover to be communicated with the oil-gas suction port, a gas inlet channel is reserved between the gas inlet end of the gas inlet pipe and the oil blocking cover, a gas-liquid circulation channel is reserved between the upper part of the oil blocking cover and the top sealing cover, a plurality of flow guide bulges are arranged on the surface of the oil blocking cover, a gas-liquid flow guide channel is arranged between the side wall of the oil blocking cover and the inner wall of the upper cavity, the gas-liquid flow guide channel is less than or equal to 5mm, liquid can flow along the inner wall of the cylinder body, the lower flow and prevent the gas pressure from being larger, and directly impacting the liquid surface of the bottom part to splash foam, therefore, the liquid needs to be guided to the left and right by the oil blocking cover to flow downwards along the inner wall of the cylinder body.
The cross section of the gas-liquid separation pipeline is oval, the cross section of the gas outlet pipe is circular, a pressure equalizing hole is formed in the side wall of the gas outlet pipe, which is close to the liquid outlet end, the pressure equalizing hole is used for preventing liquid from accumulating in the gas-liquid separation pipeline after parking, the gas outlet pipe is started again to prevent a large amount of liquid from entering the compressor without being gasified to cause liquid impact of the compressor, a supporting rib is arranged at the axis position of the outer side wall, which is far away from the gas inlet pipe, of the gas outlet pipe, the top end of the supporting rib is abutted to the oil blocking cover, and the supporting rib plays a supporting role to achieve left and right supporting balance and avoid the oil blocking cover from being inclined.
The area of the pressure equalizing hole is not less than 0.03 time of the cross section area of the diameter of the air outlet pipe.
The longitudinal section of the oil return cover is in an inverted trapezoid shape.
The bottom of the first filtering device is abutted to the heat transfer partition plate and is in interference fit with the gas-liquid separation pipeline, the shock resistance is enhanced, the first filtering device is a filter screen made of a nylon material, the filter area of the filter screen made of the nylon material is larger, and the oil return influence is smaller.
The outer wall of the gas-liquid separation pipeline is provided with a drying agent assembly, the drying agent assembly can be placed in a containing frame through hollowing or fixed through a binding band, the lower end of the drying agent assembly is immersed in liquid, the drying agent assembly is a non-woven fabric bagged molecular sieve, moisture in the liquid can be absorbed through the design, and the moisture of a gasification part can be absorbed, so that bubbles are reduced, noise generated during gas-liquid separation is reduced, and gas-liquid separation efficiency is improved.
The second filtering device is a filtering cylinder which comprises a cylinder frame, the upper end of the cylinder frame is open and connected with the liquid outlet end of the U-shaped pipe, the side wall of the cylinder frame is of a latticed structure, a second filtering net is installed at the hollow part of the latticed structure, bubbles and impurities are carried when liquid in the filtering compressor or the condenser enters the lower cavity through the U-shaped pipe, and the liquid carrying the bubbles and the impurities enters the lower cavity after being filtered through the filtering cylinder; the both ends of U type pipe are provided with feed liquor and support the boss and go out liquid and support the boss, the feed liquor supports the boss and seals and interference connection with bottom high-pressure closing cap, go out liquid and support the boss and seal and interference connection with the cartridge filter barrel holder, and the position that should go out liquid and support the boss has decided the degree of depth that U type pipe play liquid end stretched into the cartridge filter barrel holder, can stretch into the size and adjust out liquid pressure through the regulation.
The barrel, the heat transfer partition plate, the top sealing cover and the bottom high-pressure sealing cover are all made of 6061 aluminum alloy.
By adopting the technical scheme, the liquid-phase refrigerant evaporation device is simple in structure, liquid-phase refrigerant flows down along the inner wall of the upper cavity, namely the side of the oil blocking cover shaft, through the gas-liquid circulation channel, the flow guide bulge and the gas-liquid flow guide channel and is stored on the heat transfer partition plate at the bottom of the barrel under the action of gravity, and the arc-shaped structure is formed at the joint of the edge positions of two sides of the heat transfer partition plate and the inner wall of the upper cavity, so that the liquid-phase refrigerant and the oil can automatically collect towards the center after sliding down along the inner wall of the upper cavity, and the liquid after gas-liquid separation is convenient to vaporize. Meanwhile, oil and liquid refrigerant can pass through a filter screen made of nylon materials and enter the gas-liquid separation pipeline through an oil return hole at the bottom of the oil return cover. The pressure equalizing hole is used for preventing liquid from accumulating in the gas-liquid separation pipeline after parking, the compressor is prevented from entering without being gasified by restarting, liquid impact of the compressor is caused, the compressor is protected, the drying agent assembly can absorb moisture in a mixed liquid at the bottom of the upper cavity and can also absorb moisture of a gaseous refrigerant part, and the effect of reducing gas-liquid separation noise is achieved while the gas-liquid separation efficiency is improved.
In addition, the inlet of lower die cavity is linked together with compressor or condenser, make the liquid that has the waste heat of condenser output or the high-temperature high-pressure gas of compressor exhaust get into in the U type pipe through the inlet, and filter through the cartridge filter of U type pipe liquid outlet end, make the liquid that carries bubble and impurity filter the back and get into die cavity stock solution down, and adjust out liquid pressure through the degree of depth that U type pipe liquid outlet end stretches into cartridge filter barrel holder, realize the pressure regulating of making an uproar that falls, simultaneously carry out the heat exchange through the barrel of integral type and heat transfer baffle and last die cavity, heat transfer structure bottom surface sets up to the plane, and is convenient for processing, when clean, can reach the optimal heat transfer effect, improve the gas-liquid separation effect in the die cavity, the evaporation of the mixed liquid in the liquid-gas separator is accelerated and the consumption that reduces the compressor, thereby the purpose of power saving has been reached.
The invention has the beneficial effects that: the device has the advantages of simple structure, noise reduction and pressure regulation, high separation efficiency, waste heat recovery function and high separation efficiency.
Drawings
The advantages and realisation of the invention will be more apparent from the following detailed description, given by way of example, with reference to the accompanying drawings, which are given for the purpose of illustration only, and which are not to be construed in any way as limiting the invention, and in which:
FIG. 1 is a schematic structural view of the present invention
FIG. 2 is a schematic view of the inside structure of the bottom high pressure closure of the present invention
FIG. 3 is a schematic view of the outer side structure of the bottom high pressure closure of the present invention
FIG. 4 is a sectional view of a gas-liquid separation line according to the present invention
FIG. 5 is a schematic structural view of a U-shaped tube without a support boss at the liquid outlet end
FIG. 6 is a schematic structural view of the hollow rack of the present invention
FIG. 7 is a schematic view of the structure of the oil return cover of the present invention
FIG. 8 is a top view of the oil dam of the present invention
In the figure:
1. barrel 2, top sealing cover 3 and bottom high-pressure sealing cover
4. Gas-liquid inlet 5, oil-gas suction inlet 6 and liquid inlet
7. Liquid outlet 8, mounting groove 9 and upper cavity
10. Lower cavity 11, heat transfer partition plate 12 and arc-shaped structure
13. Gas-liquid separation pipeline 14, oil blocking cover 15 and air inlet pipe
16. Air outlet pipe 17, shared pipe wall 18 and air inlet channel
19. Gas-liquid flow channel 20, flow guide bulge 21 and gas-liquid flow guide channel
22. Pressure equalizing hole 23, support rib 24 and oil return cover
25. Oil return hole 26, first filtering device 27 and drying agent assembly
28. Hollow holding frame 29, binding band 30 and U-shaped pipe
31. Second filter 32, barrel holder 33, liquid inlet support boss
34. Liquid outlet supporting boss
Detailed Description
As shown in fig. 1 to 8, the gas-liquid separator with waste heat recovery function and high separation efficiency of the present invention comprises a cylinder 1, wherein a top sealing cover 2 and a bottom high-pressure sealing cover 3 are respectively installed at the upper end and the lower end of the cylinder 1, a gas-liquid inlet 4 and an oil-gas suction port 5 are arranged on the top sealing cover 2, a liquid inlet 6 and a liquid outlet 7 are arranged on the bottom high-pressure sealing cover 3, and an installation groove 8 is arranged between the liquid inlet 6 and the liquid outlet 7;
the barrel 1 comprises an upper cavity 9 and a lower cavity 10, a heat transfer clapboard 11 which is integrally formed with the barrel 1 is arranged between the upper cavity 9 and the lower cavity 10, the bottom surface of the heat transfer clapboard 11 is of a plane structure, and an arc structure 12 is formed at the joint of the edge of the heat transfer clapboard 11 and the inner wall of the upper cavity;
go up the inside gas-liquid separation pipeline 13 that is provided with of die cavity 9, be provided with between gas-liquid separation pipeline 13 and the top closing cap 2 and hinder oil cover 14, this gas-liquid separation pipeline 13 includes intake pipe 15 and outlet duct 16, be provided with sharing pipe wall 17 between intake pipe 15 and the outlet duct 16, this intake pipe 15 is linked together with the 16 bottoms of outlet duct, intake pipe 15 inlet end is less than the outlet end of outlet duct 16, and is higher than the lower edge that hinders oil cover 14, when being convenient for gaseous the entering, avoid liquid refrigerant or oil to be inhaled by the cisoid. The air outlet end of an air outlet pipe 16 penetrates through an oil blocking cover 14 to be communicated with an oil-gas suction port 5, an air inlet channel 18 is reserved between the air inlet end of an air inlet pipe 15 and the oil blocking cover 14, an air-liquid circulation channel 19 is reserved between the upper part of the oil blocking cover 14 and a top sealing cover 2, a plurality of flow guide bulges 20 are arranged on the surface of the oil blocking cover 14, an air-liquid flow guide channel 21 is arranged between the side wall of the oil blocking cover 14 and the inner wall of an upper cavity, the air-liquid flow guide channel 21 is less than or equal to 5mm, liquid can flow downwards along the inner wall of a cylinder body 1, the air inlet pressure is prevented from being high, the liquid directly impacts the liquid surface at the bottom part to splash foam, and therefore the liquid needs to be guided to flow downwards along the inner wall of the cylinder body 1 through the left and right directions of the oil blocking cover;
the cross section of the gas-liquid separation pipeline 13 is oval, the cross section of the gas outlet pipe 16 is circular, the side wall of the gas outlet pipe 16 close to the liquid outlet end is provided with a pressure equalizing hole 22, the pressure equalizing hole 22 is used for preventing liquid from accumulating in the gas-liquid separation pipeline after parking, the compressor is prevented from being impacted by liquid and preventing large liquid drops from entering the compressor without being gasified after being started again, the position, far away from the axis of the outer side wall of the gas inlet pipe 15, of the gas outlet pipe 16 is provided with a support rib 23, the top end of the support rib 23 is abutted to the oil blocking cover 14, and the support rib 23 plays a supporting role so as to achieve left-right supporting balance and avoid the oil blocking cover from being inclined;
an oil return cover 24 is riveted to the bottom of the gas-liquid separation pipeline 13, the longitudinal section of the oil return cover 24 is in an inverted trapezoid shape, an oil return hole 25 is formed in the end portion of one end of the lower bottom of the oil return cover 24, the area of a pressure equalizing hole of the oil return hole 25 is not smaller than 0.03 time of the cross section area of the diameter of the air outlet pipe 16, a first filtering device 26 is arranged on the outer side of the oil return cover 24, the bottom of the first filtering device 26 is abutted to the heat transfer partition plate 11 and is in interference fit with the gas-liquid separation pipeline 13, the shock resistance is enhanced, the first filtering device 26 is a filtering net made of a nylon material, the filtering area of the filtering net made of the nylon material is larger, and the influence on oil return is smaller;
a drying agent assembly 27 is installed on the outer wall of the gas-liquid separation pipeline 13, the drying agent assembly 27 can be contained in a hollow containing frame 28 (figure 6) or fixed through a binding band 29 (figure 1), the lower end of the drying agent assembly 27 is immersed in liquid, the drying agent assembly 27 is a non-woven fabric bagged molecular sieve, and the design can absorb moisture in the liquid and also can absorb gasified partial moisture so as to reduce noise generated during gas-liquid separation and improve gas-liquid separation efficiency;
a U-shaped pipe 30 is arranged in the lower cavity 10, one end of the U-shaped pipe 30 is connected with the liquid inlet 6, the other end of the U-shaped pipe 30 is connected with a second filtering device 31, the second filtering device 31 is a filtering cylinder, the bottom of the filtering cylinder is fixed in the mounting groove 8 of the bottom high-pressure sealing cover 3, the filtering cylinder comprises a cylinder frame 32, the upper end opening of the cylinder frame 32 is connected with the liquid outlet end of the U-shaped pipe 30, the side wall of the cylinder frame 32 is of a latticed structure, a second filtering net is installed at the hollow part of the latticed structure, when liquid in a filtering compressor or a condenser enters the lower cavity 10 through the U-shaped pipe 30, bubbles and impurities are carried, and the liquid carrying the bubbles and the impurities enters the lower cavity 10 after being filtered through the filtering cylinder; the two ends of the U-shaped pipe 30 are provided with a liquid inlet supporting boss 33 and a liquid outlet supporting boss 34, the liquid inlet supporting boss 33 is in sealing and interference connection with the bottom high-pressure sealing cover 3, the liquid outlet supporting boss 34 is in sealing and interference connection with the filter cylinder frame 32 (optionally, the liquid outlet supporting boss 34 is not designed, so that the liquid outlet end of the U-shaped pipe 30 is directly inserted into the second filtering device 31), and the liquid outlet pressure can be adjusted by adjusting the depth of the liquid outlet end of the U-shaped pipe 30 extending into the filter cylinder frame 32.
The cylinder 1, the heat transfer partition plate 11, the top sealing cover 2 and the bottom high-pressure sealing cover 3 are all made of 6061 aluminum alloy.
The working principle is as follows:
when the gas-liquid separation device is used, gas-liquid mixed refrigerants and oil enter the upper cavity 9 of the gas-liquid separator through the gas-liquid inlet 4 to collide with the oil blocking cover 14 and radially diffuse, liquid-phase refrigerants flow down along the inner wall of the upper cavity 9, namely the axial side of the oil blocking cover 14, through the gas-liquid circulation channel 19, the flow guide protrusion 20 and the gas-liquid flow guide channel 21 and are stored on the heat transfer partition plate 11 at the bottom of the barrel 1 under the action of gravity, and the arc-shaped structures 12 are formed at the joints of the edges of the two sides of the heat transfer partition plate 11 and the inner wall of the upper cavity 9, so that the liquid-phase refrigerants and the oil can automatically converge towards the center after sliding along the inner wall of the upper cavity 9, and liquid after gas-liquid separation is convenient to vaporize. The gaseous refrigerant floats on the upper part of the upper die cavity 9, and under the suction action of the compressor, the gaseous refrigerant enters the air inlet pipe 15 through the air inlet channel 18, rises from the air outlet pipe 16 and is discharged through the oil-gas suction port 5. Meanwhile, oil and liquid refrigerant can pass through a filter screen made of a nylon material and enter the gas-liquid separation pipeline 13 through an oil return hole 25 in the bottom of an oil return cover 24 (the pressure equalizing hole plays a role in preventing liquid impact at the initial working stage of the compressor, and the oil return hole needs to ensure that the system has better oil return amount under different working conditions in the whole operation process so as to ensure the normal work of the compressor), and the gasified liquid refrigerant and the oil enter the compressor together from the air outlet pipe 16 to complete gas-liquid separation and oil return. Meanwhile, the desiccant assembly 27 can absorb moisture in the mixed liquid at the bottom of the upper cavity 9 and also can absorb moisture in the gaseous refrigerant part.
In addition, the liquid inlet 6 of the lower cavity 10 is communicated with a compressor or a condenser, so that liquid with waste heat output by the condenser or high-temperature and high-pressure gas exhausted by the compressor enters the U-shaped pipe 30 through the liquid inlet 6, and is filtered through a filter cartridge at the liquid outlet end of the U-shaped pipe 30, so that liquid carrying bubbles and impurities enters the lower cavity 10 for storing liquid after being filtered, and is subjected to heat exchange with the upper cavity 9 through the integrated barrel 1 and the heat transfer partition plate 11, the bottom surface of the heat transfer structure is arranged to be a plane, the processing and cleaning are convenient, the optimal heat transfer effect can be achieved, the gas-liquid separation effect in the upper cavity 9 is improved, the evaporation of mixed liquid in the liquid-gas separator is accelerated, the power consumption of the compressor is reduced, and the purpose of saving power is achieved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. A gas-liquid separator with a waste heat recovery function and high separation efficiency comprises a barrel, wherein a bottom high-pressure sealing cover is arranged at the bottom of the barrel, a liquid inlet and a liquid outlet are formed in the bottom high-pressure sealing cover, and a mounting groove is formed between the liquid inlet and the liquid outlet; the barrel comprises an upper cavity and a lower cavity, a heat transfer partition plate which is integrally formed with the barrel is arranged between the upper cavity and the lower cavity, the bottom surface of the heat transfer partition plate is of a planar structure, a gas-liquid separation pipeline is arranged inside the upper cavity, an oil return cover is installed at the bottom of the gas-liquid separation pipeline, an oil return hole is formed in the end portion of the lower bottom end of the oil return cover, a first filtering device is arranged on the outer side of the oil return cover, a U-shaped pipe is arranged inside the lower cavity, one end of the U-shaped pipe is connected with a liquid inlet, the other end of the U-shaped pipe is connected with a second filtering device, and the second filtering device is fixed in a mounting groove of a bottom high-pressure sealing cover.
2. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: a top sealing cover is installed at the upper end of the cylinder body, and a gas-liquid inlet and an oil-gas suction port are formed in the top sealing cover.
3. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: the connection part of the edge of the heat transfer clapboard and the inner wall of the upper cavity forms an arc-shaped structure.
4. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 2, characterized in that: an oil blocking cover is arranged between the gas-liquid separation pipeline and the top sealing cover, the gas-liquid separation pipeline comprises a gas inlet pipe and a gas outlet pipe, a shared pipe wall is arranged between the gas inlet pipe and the gas outlet pipe, the gas inlet pipe is communicated with the bottom of the gas outlet pipe, the gas inlet end of the gas inlet pipe is lower than the gas outlet end of the gas outlet pipe and higher than the lower edge of the oil blocking cover, the gas outlet end of the gas outlet pipe penetrates through the oil blocking cover to be communicated with the oil-gas suction port, a gas inlet channel is reserved between the gas inlet end of the gas inlet pipe and the oil blocking cover, a gas-liquid circulation channel is reserved between the upper portion of the oil blocking cover and the top sealing cover, a plurality of flow guide bulges are arranged on the surface of the oil blocking cover, a gas-liquid flow guide channel is arranged between the side wall of the oil blocking cover and the inner wall of an upper cavity, and the gas-liquid flow guide channel is smaller than or equal to 5 mm.
5. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 4, characterized in that: the cross section of the gas-liquid separation pipeline is oval, the cross section of the air outlet pipe is circular, a pressure equalizing hole is formed in the side wall of the air outlet pipe, close to the liquid outlet end, the axis of the outer side wall of the air outlet pipe, far away from the air inlet pipe, is provided with a supporting rib, and the top end of the supporting rib is abutted to the oil blocking cover.
6. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 5, characterized in that: the area of the pressure equalizing hole is not less than 0.03 time of the cross section area of the diameter of the air outlet pipe.
7. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: the longitudinal section of the oil return cover is in an inverted trapezoid shape.
8. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: the bottom of the first filtering device is abutted to the heat transfer partition plate and is in interference fit with the gas-liquid separation pipeline, and the first filtering device is a filter screen made of a nylon material.
9. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: the outer wall of the gas-liquid separation pipeline is provided with a drying agent assembly, the drying agent assembly can be contained in a hollow containing frame or fixed through a binding band, the lower end of the drying agent assembly is immersed in liquid, and the drying agent assembly is a non-woven fabric bagged molecular sieve.
10. The gas-liquid separator having a waste heat recovery function and a high separation efficiency according to claim 1, characterized in that: the second filter device is a filter cartridge, the filter cartridge comprises a cartridge holder, the upper end of the cartridge holder is open and is connected with the liquid outlet end of the U-shaped pipe, the side wall of the cartridge holder is of a latticed structure, the second filter screen is installed at the hollow part of the latticed structure, the two ends of the U-shaped pipe are provided with a liquid inlet supporting boss and a liquid outlet supporting boss, the liquid inlet supporting boss is connected with the bottom high-pressure sealing cover in a sealing and interference mode, and the liquid outlet supporting boss is connected with the cartridge holder in a sealing and interference mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321574.5A CN113970203A (en) | 2021-11-09 | 2021-11-09 | Gas-liquid separator with waste heat recovery function and high separation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321574.5A CN113970203A (en) | 2021-11-09 | 2021-11-09 | Gas-liquid separator with waste heat recovery function and high separation efficiency |
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| Publication Number | Publication Date |
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| CN113970203A true CN113970203A (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111321574.5A Pending CN113970203A (en) | 2021-11-09 | 2021-11-09 | Gas-liquid separator with waste heat recovery function and high separation efficiency |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111112A (en) * | 2021-12-01 | 2022-03-01 | 天津双昊车用空调有限公司 | Self-adaptive oil return process for gas-liquid separation |
| CN118066750A (en) * | 2024-04-25 | 2024-05-24 | 绍兴三花汽车热管理科技有限公司 | Gas-liquid separation device |
| CN118089286A (en) * | 2024-04-25 | 2024-05-28 | 绍兴三花汽车热管理科技有限公司 | Gas-liquid separation device |
-
2021
- 2021-11-09 CN CN202111321574.5A patent/CN113970203A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111112A (en) * | 2021-12-01 | 2022-03-01 | 天津双昊车用空调有限公司 | Self-adaptive oil return process for gas-liquid separation |
| CN118066750A (en) * | 2024-04-25 | 2024-05-24 | 绍兴三花汽车热管理科技有限公司 | Gas-liquid separation device |
| CN118089286A (en) * | 2024-04-25 | 2024-05-28 | 绍兴三花汽车热管理科技有限公司 | Gas-liquid separation device |
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