CN111609599A - Liquid-gas separation device with liquid storage and waste heat recovery functions - Google Patents

Liquid-gas separation device with liquid storage and waste heat recovery functions Download PDF

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Publication number
CN111609599A
CN111609599A CN202010584061.2A CN202010584061A CN111609599A CN 111609599 A CN111609599 A CN 111609599A CN 202010584061 A CN202010584061 A CN 202010584061A CN 111609599 A CN111609599 A CN 111609599A
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China
Prior art keywords
liquid
waste heat
heat recovery
liquid storage
gas
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CN202010584061.2A
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Chinese (zh)
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田正新
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Helong Shuanghao High Tech Co ltd
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Helong Shuanghao High Tech Co ltd
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Priority to CN202010584061.2A priority Critical patent/CN111609599A/en
Publication of CN111609599A publication Critical patent/CN111609599A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003Filters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a liquid-gas separation device with liquid storage and waste heat recovery functions, belongs to the technical field of automobile air conditioner accessories, and particularly relates to a gas-liquid separator; the device comprises a cylinder body, wherein an upper end cover and a lower end cover are respectively arranged at the upper end and the lower end of the cylinder body, an air inlet and an air suction port are arranged on the upper end cover, and a liquid outlet and a liquid inlet are arranged on the lower end cover; the waste heat recovery assembly is arranged in the cylinder body, and the interior of the cylinder body is divided into a gas-liquid separation cavity and a liquid storage cavity through the waste heat recovery assembly; a liquid guide pipe is arranged in the liquid storage cavity, one end of the liquid guide pipe is connected with the liquid inlet, and the other end of the liquid guide pipe is connected with the waste heat recovery assembly. The invention has the functions of liquid storage and waste heat recovery, strengthens the heat exchange effect and improves the gas-liquid separation efficiency.

Description

Liquid-gas separation device with liquid storage and waste heat recovery functions
Technical Field
The invention belongs to the technical field of automobile air conditioner accessories, and particularly relates to a gas-liquid separator.
Background
The gas-liquid separator in the existing new energy automobile cannot utilize high-temperature and high-pressure liquid from a condenser or a compressor, so that the energy is wasted, a large amount of refrigerants need to run in the refrigeration process of the automobile air conditioning system, and a small amount of refrigerants need to participate in the operation in the heating process; when heating, if the refrigerant participates too much, the heating effect is reduced, and when refrigerating, the refrigerant participates too little, and the purpose of refrigerating is not achieved. Therefore, the gas-liquid separator with the liquid storage function is designed, and liquid is stored during heating. In the refrigeration process, a large amount of refrigerants operate, and the temperature of the tank body is very low.
Disclosure of Invention
The invention aims to provide a liquid-gas separation device with liquid storage and waste heat recovery functions, and aims to solve the technical problems that an existing air conditioning system is poor in refrigerant feeding control effect in the processes of refrigeration and heating and cannot fully recycle energy.
In order to achieve the purpose, the specific technical scheme of the liquid-gas separation device with the functions of liquid storage and waste heat recovery is as follows:
a liquid-gas separation device with liquid storage and waste heat recovery functions comprises a cylinder body, wherein an upper end cover and a lower end cover are respectively arranged at the upper end and the lower end of the cylinder body, an air inlet and an air suction port are formed in the upper end cover, and a liquid outlet and a liquid inlet are formed in the lower end cover;
the waste heat recovery assembly is arranged in the cylinder body, and the interior of the cylinder body is divided into a gas-liquid separation cavity and a liquid storage cavity through the waste heat recovery assembly;
a liquid guide pipe is arranged in the liquid storage cavity, one end of the liquid guide pipe is connected with the liquid inlet, and the other end of the liquid guide pipe is connected with the waste heat recovery assembly.
Further, a filter cartridge is arranged in the liquid storage cavity and connected with the liquid outlet.
Furthermore, the waste heat recovery assembly comprises a partition plate integrally formed with the inner wall of the barrel, a drainage groove is formed in one end, close to the liquid storage cavity, of the partition plate, a preheating baffle is arranged on the drainage groove, and the drainage groove is sealed through the preheating baffle to form a waste heat recovery cavity;
two through holes are formed in the preheating baffle, one through hole is connected with the liquid guide pipe, and the through hole is connected with the liquid inlet end of the drainage groove.
Furthermore, the other through hole and the liquid outlet are arranged in a staggered mode.
Further, the preheating baffle is connected with the partition plate through white steel screws.
Further, the both ends of catheter are provided with support boss and lower support boss, it conflicts with preheating the baffle to go up the support boss, lower support boss conflicts with the lower end cover.
Further, the upper end cover and the lower end cover are both welded with the cylinder body.
Further, a temperature sensor is arranged in the liquid storage cavity.
Furthermore, an oil blocking cover, an air inlet pipe and an air suction pipe are arranged in the gas-liquid separation cavity, an upper pipe orifice of the air suction pipe penetrates through the oil blocking cover and then is fixedly connected with an air suction port, a gap is reserved between the upper part of the oil blocking cover and the upper end cover, and a gap is reserved between an upper pipe orifice of the air inlet pipe and the lower part of the oil blocking cover;
the air inlet pipe is communicated with the lower part of the air suction pipe and forms an air circulation channel.
Furthermore, the lower parts of the air inlet pipe and the air suction pipe are sequentially provided with an oil return cover and a filter screen, the bottom of the oil return cover is provided with an oil return through hole, and the filter screen is connected with the inner bottom of the barrel.
The liquid-gas separation device with the functions of liquid storage and waste heat recovery has the following advantages: the device has the functions of liquid storage and waste heat recovery, strengthens the heat exchange effect and improves the gas-liquid separation efficiency; the liquid accumulator is integrated on the liquid-gas separator, so that the refrigeration efficiency is improved.
Drawings
Fig. 1 is a sectional view of a liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 2 shows a preheating baffle of the liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 3 is a cross-sectional view at a-a of fig. 1.
Fig. 4 is a schematic structural diagram of an upper end cover of a liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 5 is a schematic structural diagram of a lower end cover of a liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 6 is a sectional view of an air inlet pipe and an air suction pipe of the liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 7 is a cross-sectional view of the projection 6 at B-B.
Fig. 8 is a top view of the oil return cover of the liquid-gas separation device with liquid storage and waste heat recovery functions according to the present invention.
Fig. 9 is a cross-sectional view at C-C of fig. 8.
The notation in the figure is: 1. a barrel; 2. an upper end cover; 3. a lower end cover; 4. an air inlet; 5. an air suction port; 6. a liquid outlet; 7. a liquid inlet; 8. a waste heat recovery assembly; 801. a partition plate; 802. a drainage groove; 803. preheating a baffle; 9. a gas-liquid separation chamber; 10. a liquid storage cavity; 11. a catheter; 12. a filter cartridge; 13. a through hole; 14. a white steel screw; 15. an upper support boss; 16. a lower support boss; 17. a temperature sensor; 18. an oil blocking cover; 19. an air inlet pipe; 20. an air intake duct; 21. an oil return cover; 22. a filter screen; 23. an oil return through hole; 24. a desiccant assembly.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a liquid-gas separation device with both liquid storage and waste heat recovery functions will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-9, the liquid-gas separation device with both liquid storage and waste heat recovery functions of the present invention includes a cylinder 1, wherein an upper end cover 2 and a lower end cover 3 are respectively disposed at upper and lower ends of the cylinder 1, an air inlet 4 and an air suction port 5 are disposed on the upper end cover 2, and a liquid outlet 6 and a liquid inlet 7 are disposed on the lower end cover 3;
a waste heat recovery assembly 8 is arranged in the cylinder 1, and the interior of the cylinder 1 is divided into a gas-liquid separation cavity 9 and a liquid storage cavity 10 through the waste heat recovery assembly 8;
a liquid guide pipe 11 is arranged in the liquid storage cavity 10, one end of the liquid guide pipe 11 is connected with the liquid inlet 7, and the other end of the liquid guide pipe 11 is connected with the waste heat recovery assembly 8.
In the present embodiment, a filter cartridge 12 is further disposed in the liquid storage chamber 10, and the filter cartridge 12 is connected to the liquid outlet 6; liquid when filtering in compressor or the condenser gets into stock solution chamber 10 has the bubble secretly, through setting up cartridge filter 12 for the liquid that carries the bubble filters, and simultaneously, when the bubble contacted with cartridge filter 12, the bubble can take place the breakage, thereby carried out the bubble in the liquid and got rid of to a certain extent, if contain the bubble among the entire system and have the device production abnormal sound in service, further improved gas-liquid separation device's work efficiency through this kind of mode.
In this embodiment, the waste heat recovery assembly 8 includes a partition plate 801 integrally formed with the inner wall of the cylinder 1, one end of the partition plate 801 close to the liquid storage cavity 10 is provided with a drainage groove 802, the inner wall of the drainage groove 802 is wavy to increase the contact surface area, so that heat transfer is faster and heat dissipation effect is better, the drainage groove 802 is provided with a preheating baffle 803, and the drainage groove 802 is sealed by the preheating baffle 803 to form a waste heat recovery cavity;
two through holes 13 are formed in the preheating baffle 803, one of the through holes 13 is connected with the liquid guide tube 11, and the through hole 13 is connected with the liquid inlet end of the drainage groove 802.
In this embodiment, the other through hole 13 is disposed in a staggered manner with respect to the liquid outlet 6, so as to prevent the liquid from falling down from the through hole 13 and impacting the filter screen.
In the present embodiment, the preheat plate 803 is connected to the partition plate 801 by a white steel screw 14.
In this embodiment, the both ends of catheter 11 are provided with support boss 15 and lower support boss 16, it conflicts with preheating baffle 803 to go up support boss 15, lower support boss 16 conflicts with lower end cover 3, mutually supports between through last support boss 15 and lower support boss 16 and waste heat baffle and lower end cover 3 for the sealed effect is better in stock solution chamber 10.
In the present embodiment, the upper end cap 2 and the lower end cap 3 are both welded to the cylinder 1.
In the present embodiment, a temperature sensor 17 is further provided in the reservoir chamber 10 in order to detect the internal temperature of the gas-liquid separator device and to prepare for controlling the flow rate.
In this embodiment, an oil blocking cover 18, an air inlet pipe 19 and an air suction pipe 20 are arranged in the gas-liquid separation chamber 9, the oil blocking cover 18 is bowl-shaped, a pressure equalizing through hole 13 is arranged on the side wall of the upper part of the air suction pipe 20, a desiccant assembly 24 is arranged on the outer wall of the air suction pipe 20 on the side away from the air inlet pipe 19, an upper pipe orifice of the air suction pipe 20 penetrates through the oil blocking cover 18 and is fixedly connected with the air suction port 5, a gap is reserved between the upper part of the oil blocking cover 18 and the upper end cover 2, a gap is reserved between the upper pipe orifice of the air inlet pipe 19 and the lower part of the oil blocking cover 18, and a gap is arranged between the side part;
the air inlet pipe 19 is communicated with the lower part of the air suction pipe 20 to form an air circulation channel, the pipe wall of the air suction pipe 20 is connected with the pipe wall at the adjacent position of the air inlet pipe 19 in a matching way or the adjacent position of the air suction pipe 20 and the air inlet pipe 19 shares one pipe wall, and the air inlet pipe 19 and the air suction pipe 20 jointly form an oblate cross section.
In the present embodiment, an oil return cover 21 and a filter screen 22 are sequentially disposed below the air inlet pipe 19 and the air inlet pipe 20, an oil return through hole 23 is disposed at the bottom of the oil return cover 21, the filter screen 22 is connected to the inner bottom of the barrel 1, a platform at the top of the oil return cover 21 covers the lower pipe orifices of the air inlet pipe 19 and the air inlet pipe 20, an oil return through hole 23 is disposed at the bottom of the oil return cover 21, and the oil return through hole 23 is located on the central axis of the air inlet pipe 20; the lower pipe wall of the air suction pipe 20 and the lower pipe wall of the air inlet pipe 19 are bent inwards and then welded with a platform at the open top end of the oil return cover 21.
In the present embodiment, a gap is left between the outer walls of the intake pipe 19 and the intake pipe 20 and the inner wall of the cylinder 1.
In the present embodiment, the desiccant assembly 24 is bound to the outer wall of the air intake pipe 20 on the side away from the air intake pipe 19 by a binding tape.
In the present embodiment, a rib is provided on an outer side wall of the intake pipe 20 remote from the intake pipe 19, and a tip end of the rib abuts against the oil blocking cover 18.
The working principle is as follows:
when in use, the refrigerant which is not completely gasified enters from the air inlet 4, and the refrigerant can not directly impact the liquid level of the separator due to the action of the oil blocking cover 18, but is injected into the container along the wall of the container body, the liquid refrigerant sinks to the lower part of the container, and the gaseous refrigerant floats on the upper half part of the container. Under the suction action of the compressor, gaseous refrigerant flows into the cylinder 1, is dried by the desiccant assembly 24 and finally enters the inlet of the compressor;
the mixed solution settled at the bottom of the container is filtered by a filter screen 22 on a filter part, flows through an oil return hole with proper size of an oil return through hole 23 to control proper oil return amount and the refrigerant to flow out of the air suction port 5 and return to the compressor together, so that gas-liquid separation and oil return are completed;
the liquid inlet 7 is connected with a compressor or a condenser, so that liquid with residual heat enters the drainage groove 802 through the liquid inlet 7, the liquid guide pipe 11, the through hole 13 of the preheating baffle 803 and the inlet end of the drainage groove 802 and exchanges heat with the upper gas-liquid separation cavity 9, the gas-liquid separation effect in the gas-liquid separation cavity 9 can be improved, the problem of frosting outside the cylinder body 1 when the gas-liquid separator works is avoided, evaporation of mixed liquid in the gas-liquid separator is accelerated, the power consumption of the compressor is reduced, and the purpose of saving electricity is achieved;
the liquid after heat exchange flows into the liquid storage cavity 10 for storage through another through hole 13 on the preheating baffle 803, and the redundant liquid flows out through the filter cylinder 12 and the liquid storage port.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A liquid-gas separation device with liquid storage and waste heat recovery functions is characterized by comprising a cylinder body (1), wherein an upper end cover (2) and a lower end cover (3) are respectively arranged at the upper end and the lower end of the cylinder body (1), an air inlet (4) and an air suction port (5) are arranged on the upper end cover (2), and a liquid outlet (6) and a liquid inlet (7) are arranged on the lower end cover (3);
a waste heat recovery assembly (8) is arranged in the cylinder body (1), and the interior of the cylinder body (1) is divided into a gas-liquid separation cavity (9) and a liquid storage cavity (10) through the waste heat recovery assembly (8);
a liquid guide pipe (11) is arranged in the liquid storage cavity (10), one end of the liquid guide pipe (11) is connected with the liquid inlet (7), and the other end of the liquid guide pipe is connected with the waste heat recovery component (8).
2. The liquid-gas separation device with liquid storage and waste heat recovery functions as claimed in claim 1, wherein a filter cartridge (12) is further arranged in the liquid storage cavity (10), and the filter cartridge (12) is connected with the liquid outlet (6).
3. The liquid-gas separation device with liquid storage and waste heat recovery functions according to claim 1, wherein the waste heat recovery assembly (8) comprises a partition plate (801) integrally formed with the inner wall of the cylinder (1), one end of the partition plate (801) close to the liquid storage cavity (10) is provided with a drainage groove (802), the drainage groove (802) is provided with a preheating baffle (803), and the drainage groove (802) is sealed by the preheating baffle (803) to form a waste heat recovery cavity;
two through holes (13) are formed in the preheating baffle plate (803), one through hole (13) is connected with the liquid guide pipe (11), and the through hole (13) is connected with the liquid inlet end of the drainage groove (802).
4. The liquid-gas separation device with the functions of liquid storage and waste heat recovery as claimed in claim 3, wherein the other through hole (13) is arranged in a staggered manner with the liquid outlet (6).
5. The liquid-gas separation device with the functions of liquid storage and waste heat recovery as claimed in claim 4, wherein the preheating baffle plate (803) is connected with the partition plate (801) through a white steel screw (14).
6. The liquid-gas separation device with liquid storage and waste heat recovery functions as claimed in claim 1, wherein an upper support boss (15) and a lower support boss (16) are arranged at two ends of the liquid guide tube (11), the upper support boss (15) is abutted against the preheating baffle plate (803), and the lower support boss (16) is abutted against the lower end cover (3).
7. The liquid-gas separation device with the functions of liquid storage and waste heat recovery as claimed in claim 6, wherein the upper end cover (2) and the lower end cover (3) are welded with the cylinder (1).
8. The liquid-gas separation device with liquid storage and waste heat recovery functions as claimed in claim 1, wherein a temperature sensor (17) is further arranged in the liquid storage cavity (10).
9. The liquid-gas separation device with the functions of liquid storage and waste heat recovery as claimed in claim 1, wherein an oil blocking cover (18), a gas inlet pipe (19) and a gas suction pipe (20) are arranged in the gas-liquid separation chamber (9), an upper pipe orifice of the gas suction pipe (20) penetrates through the oil blocking cover (18) and then is fixedly connected with the gas suction port (5), a gap is reserved between the upper part of the oil blocking cover (18) and the upper end cover (2), and a gap is reserved between the upper pipe orifice of the gas inlet pipe (19) and the lower part of the oil blocking cover (18);
the air inlet pipe (19) is communicated with the lower part of the air suction pipe (20) and forms an air circulation channel.
10. The liquid-gas separation device with liquid storage and waste heat recovery functions as claimed in claim 9, wherein an oil return cover (21) and a filter screen (22) are sequentially arranged at the lower parts of the air inlet pipe (19) and the air suction pipe (20), an oil return through hole (23) is formed in the bottom of the oil return cover (21), and the filter screen (22) is connected with the inner bottom of the cylinder (1).
CN202010584061.2A 2020-06-24 2020-06-24 Liquid-gas separation device with liquid storage and waste heat recovery functions Pending CN111609599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010584061.2A CN111609599A (en) 2020-06-24 2020-06-24 Liquid-gas separation device with liquid storage and waste heat recovery functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010584061.2A CN111609599A (en) 2020-06-24 2020-06-24 Liquid-gas separation device with liquid storage and waste heat recovery functions

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CN111609599A true CN111609599A (en) 2020-09-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977207A (en) * 2021-12-01 2022-01-28 天津双昊车用空调有限公司 Processing technology of gas-liquid separator integrated barrel
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977207A (en) * 2021-12-01 2022-01-28 天津双昊车用空调有限公司 Processing technology of gas-liquid separator integrated barrel
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

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