Gas-liquid separator capable of supplementing gas and reducing speed and noise

Abstract

The utility model discloses a gas-liquid separator capable of supplementing gas and reducing speed and noise, and belongs to the technical field of gas-liquid separators. The gas-liquid separator comprises a sealing cover, a cylinder body, a flow dividing partition plate and a gas-liquid separation pipeline assembly. According to the utility model, the liquid outlet at the bottom of the barrel conveys liquid in the barrel to the heating port through self-absorption of the Venturi tube to be mixed with high-temperature gas output by the compressor, and a refrigerant is evaporated, so that the cooling effect is achieved. According to the gas-liquid separator, a product is divided into an upper cavity and a lower cavity by a shunting partition plate. And the speed-reducing convergence plate is decelerated by eddy current of the arc-shaped plate, so that the speed-reducing convergence plate finally slides to the convergence pit and is sprayed downwards through the through groove. In order to avoid direct flushing of the liquid level, the baffle plate is arranged below the through groove, and after speed reduction and direction change, the liquid is beaten to the solid-liquid sheet and then drips. Liquid enters the lower cavity, and under the solid-liquid sheet, the flow rate of the liquid is reduced, and noise is reduced. According to the utility model, the speed reduction, separation and boiling inhibition of gas and liquid are effectively realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas -liquid separator technical field, especially relate to a gas -liquid separator that can be reduced in speed and can reduce noise. BACKGROUND

[0002] At present, when the temperature is below-10 DEG C, the new energy vehicle heat pump technology is difficult to obtain heat from the outside, so the traditional technology is to heat the gas -liquid separator by PTC heating mode. This technology has high energy consumption, and needs to install another heating equipment, which has high cost. If the heat generated by the compressed gas of the compressor is supplied to the gas -liquid separator through the electromagnetic valve, the temperature is high due to the large flow, and the continuous boiling will be generated when the ordinary gas -liquid separator is directly connected, the noise is very large, and the outlet dryness is low, which can not meet the use requirements of the new energy vehicle.

[0003] The existing patent 2024201388846, a gas -liquid separator that can be supplemented and increased in enthalpy, uses the heat generated by the compressed gas of the compressor to heat the gas -liquid separator and improve the outlet dryness. However, it has the following defects: the liquid and gas separation is not thorough, and the liquid surface can still have large disturbance.

[0004] Therefore, there is an urgent need for a new technical solution in the prior art to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem that the liquid and gas separation of the existing patent gas -liquid separator that can be supplemented and increased in enthalpy is not thorough, and the liquid surface can still have large disturbance.

[0006] A gas -liquid separator that can be supplemented and reduced in speed and noise, comprising a cover, a cylinder, a flow separation baffle, a gas -liquid separation pipeline assembly, the upper part of the cylinder is open and fixedly connected with the cover, forming a cylinder space;The cover is provided with an inlet for gas -liquid mixed state refrigerant, a heat generating port for high temperature gas and an outlet for refrigerant output;The flow separation baffle comprises a transversely arranged upper cavity baffle and a solid -liquid sheet arranged along the axis of the cylinder;The upper cavity baffle divides the cylinder space into two layers of space that can communicate, the upper space forms a curve flow reduction channel of refrigerant through the staggered arrangement of the speed reduction collection plate, and the upper cavity baffle is provided with an opening communicated with the lower space at the end of the speed reduction channel;The lower layer space is divided into a plurality of cavities that can communicate with each other through the solid -liquid sheet, and the cavities receive the liquid flowing down from the corresponding upper layer space;The gas -liquid separation pipeline assembly is installed in the cavity at the end of the speed reduction channel, which is called the last cavity, the gas -liquid separation pipeline assembly inhales the refrigerant reduced by the speed reduction channel and carries out gas -liquid separation, and the gaseous refrigerant outlet of the gas -liquid separation pipeline assembly is fixedly connected with the outlet;

[0007] The import is connected with a part of high-temperature and high-pressure gas output by the compressor; the bottom of the cylinder is provided with a liquid outlet; the heat generating port is connected with a tee joint; another part of high-temperature and high-pressure gas output by the compressor is connected with an input port of the tee joint; the liquid outlet is connected with one end of a venturi pipe, and the other end of the venturi pipe is connected with an input port of the tee joint, so that the liquid in the cylinder and the high-temperature and high-pressure gas output by the compressor are mixed in the tee joint and input into the heat generating port through the self-suction of the venturi pipe;

[0008] The upper cavity baffle is fixedly connected with the lower edge of the cover; the upper end surface of the speed reduction and collection plate and the upper end surface of the solid-liquid sheet of the cavity where the gas-liquid separation pipeline assembly is located are in abutment with the inner top of the cover, one side of the speed reduction and collection plate is an arc surface, the inner arc side of the speed reduction and collection plate is a windward surface of the refrigerant inflow, and a boss-shaped upper cavity passage is arranged outside the arc-shaped end of the speed reduction and collection plate; the refrigerant passes through the upper space of the upper cavity passage;

[0009] The windward surface of the speed reduction and collection plate and the upper cavity passage is provided with a through groove; and a baffle plate is arranged at the lower part of the upper cavity baffle and corresponds to the through groove.

[0010] The last cavity is provided with an air inlet passage at the upper part of the solid-liquid sheet at the end of the speed reduction passage; the solid-liquid sheet in the lower space is provided with a lower cavity gaseous passage, and a narrow gap less than 2 mm is left between the lower end of the solid-liquid sheet and the bottom surface of the cylinder.

[0011] The outer periphery of the through groove is provided with a collection pit.

[0012] The upper cavity baffle is provided with a half partition at the edge of the end of the speed reduction passage; and the upper end of the half partition is in abutment with the inner top of the cover.

[0013] The air inlet passage is provided with a partition protrusion on the side close to the cylinder; and the upper end of the partition protrusion is in abutment with the inner top of the cover.

[0014] The liquid outlet is provided with a filter screen at the port in the cylinder.

[0015] Through the above design scheme, the following beneficial effects can be brought about by the utility model:

[0016] 1. The utility model is improved on the basis of the existing patent as follows:

[0017] The shape of the speed-reducing collection plate is changed, one side is improved as an arc surface, the effect of reducing flow speed and liquid collection is increased, the collection pits are increased, liquid collection to the permeable groove is facilitated, the baffle is additionally arranged at the lower end of the permeable groove, liquid directly hitting the liquid surface is avoided, liquid flow speed is reduced, and boiling is inhibited; the flow separation partition plate is fixed on the cover by screws, and is more stable when the flow speed is large; the half partition and the partition protrusion are additionally arranged at the end of the speed-reducing channel, a better baffling effect is achieved, and the speed-reducing effect is better.

[0018] 2、The utility model effectively solves the noise problem generated by cooling and continuous boiling.

[0019] The cooling problem: liquid at the bottom of the cylinder is transported to the heat generating port and mixed with high-temperature gas output by the compressor through the Venturi tube self-suction at the liquid outlet, the refrigerant evaporates, and the cooling effect is achieved. At the same time, the required liquid is also converted into gas, solving the problem of not being able to evaporate below -10 degrees.

[0020] Reducing flow speed and noise: the product is divided into two cavities by the flow separation partition plate. When the compressor is working, part of the high-temperature and high-pressure gas enters the heat generating port through the electromagnetic valve connected to the compressor, and the other part is connected to the inlet. The high-temperature and high-pressure gas at the inlet and the mixture of liquid and high-temperature gas in the heat generating port are collected in cavity a at the same time, like a storm, liquid droplets hit the speed-reducing collection plate passing through the arc plate, and finally slide into the collection pit and are sprayed downward through the permeable groove. Compared with the straight plate-shaped speed-reducing collection plate, the speed-reducing effect of the speed-reducing collection plate with an arc plate is obviously increased. To avoid direct impact on the liquid surface, a baffle is arranged below the permeable groove to reduce speed and change the direction of the liquid before it hits the solid-liquid sheet. The gas passes through the cavities formed by the staggered speed-reducing collection plates, and the liquid and gas are separated. The gas enters the inlet of the gas-liquid separation pipe assembly through the upper cavity channel. The liquid enters the lower cavity and reduces the flow speed and noise at the solid-liquid sheet, effectively achieving speed reduction, separation and boiling inhibition of gas and liquid. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further described in combination with the drawings and specific embodiments:

[0022] Figure 1 It is a structure schematic view of the utility model of a kind of air supply and can reduce speed and noise's gas-liquid separator;

[0023] Figure 2 It is a structure schematic view of the utility model of a kind of air supply and can reduce speed and noise's gas-liquid separator A-A towards section view;

[0024] Figure 3 It is a structure schematic view of the utility model of a kind of air supply and can reduce speed and noise's gas-liquid separator B-B towards section view;

[0025] Figure 4 It is external structure schematic view of the gas-liquid separator of the utility model of supplementing air and can reduce speed and reduce noise;

[0026] Figure 5 It is external structure plan view of the gas-liquid separator of the utility model of supplementing air and can reduce speed and reduce noise;

[0027] Figure 6 It is structure schematic view of the gas-liquid separation pipeline assembly in the gas-liquid separator of the utility model of supplementing air and can reduce speed and reduce noise;

[0028] Figure 7 It is structure schematic view of the shunt baffle in the gas-liquid separator of the utility model of supplementing air and can reduce speed and reduce noise;

[0029] Figure 8 It is structure schematic view of the shunt baffle in the gas-liquid separator of the utility model of supplementing air and can reduce speed and reduce noise.

[0030] In the drawing, 1-cover, 2-cylinder, 3-shunt baffle, 4-gas-liquid separation pipeline assembly, 5-filter screen, 6-molecular sieve, 101-outlet, 102-integrated protrusion, 103-inlet, 104-heat generating port, 201-liquid outlet, 301-penetrating groove, 302-speed reduction collection plate, 303-upper cavity passage, 304-baffle plate, 305-lower cavity gaseous passage, 306-liquid through hole, 307-solid-liquid piece, 308-upper cavity baffle, 309-collection pit, 310-semi-baffle, 311-baffle protrusion, 312-gas inlet passage, 313-aperture, 401-gas inlet pipeline, 402-gas outlet pipeline, 403-oil return cover, 404-oil return hole, 405-equalizing hole, 406-filter screen II. DETAILED DESCRIPTION

[0031] As shown in the figure, a kind of gas-liquid separator of supplementing air and can reduce speed and reduce noise, including cover 1, cylinder 2, shunt baffle 3, gas-liquid separation pipeline assembly 4 and filter screen 5, the upper portion of cylinder 2 is open and fixedly connected with cover 1, and the bottom of cylinder 2 is provided with liquid outlet 201;The inlet 103 of gas-liquid mixed state refrigerant, the heat generating port 104 of high-temperature gas and the outlet 101 of gaseous refrigerant output are provided on cover 1, and integrated protrusion 102 for facilitating integrated installation is provided on one side of cover 1;

[0032] The shunt partition plate 3 is an integral structure, and the shunt partition plate 3 includes a plurality of solid-liquid sheets 307 arranged in the axial direction inside the cylinder body 2 and an upper cavity partition plate 308 arranged transversely at the open upper portion of the cylinder body 2, and the shunt partition plate 3 is fixedly installed on the cover 1 by bolts. The solid-liquid sheet 307 divides the cylinder body 2 into a plurality of longitudinal cavities, the plurality of cavities are sequentially distributed along the circumferential direction of the cylinder body 2 and are communicated at the bottom, and are sequentially defined as a first cavity to a last cavity along the set refrigerant running direction, and the cavities are communicated through liquid through holes 306 arranged at the side of the solid-liquid sheet 307. The upper cavity partition plate 308 completely covers the first cavity to the third from the last cavity, and the upper cavity partition plate 308 covers a part of the second from the last cavity, and the uncovered part is an opening 313 for communicating with the lower cavity, and the second from the last cavity is fixed with a molecular sieve 6. The last cavity is used for installing a gas-liquid separation pipeline assembly 4, the upper portion of the solid-liquid sheet 307 of the last cavity is in abutment with the cover 1, and the upper portion of the solid-liquid sheet 307 of the last cavity at the end of the deceleration channel is provided with an air inlet channel 312, and the lower portion is left with a gap with the inner bottom of the cylinder body 2. The gas-liquid separation pipeline assembly 4 inhales gaseous refrigerant through the air inlet channel 312 and carries out gas-liquid separation, the gaseous refrigerant outlet of the gas-liquid separation pipeline assembly 4 is fixedly connected with the outlet 101, and the liquid is deposited on the bottom surface of the cylinder body 2. The filter screen 5 is arranged at the bottom of the cylinder body 2 and covers the liquid outlet 201. The creative heat port 104 is connected with a three-way joint. One end of a venturi tube is connected with the outside of the liquid outlet 201, the other end of the venturi tube is connected with one input port of the three-way joint, and the venturi tube self-suction makes the liquid in the cylinder body 2 and the high-temperature and high-pressure gas output by the compressor mixed in the three-way joint and input to the creative heat port 104.

[0033] The gas-liquid separation pipeline assembly 4 includes an air inlet pipeline 401, an air outlet pipeline 402 and an oil return cover 403, the air outlet of the gas-liquid separation pipeline assembly 4 is the upper pipe opening of the air outlet pipeline 402, the upper pipe opening of the air outlet pipeline 402 is higher than the upper pipe opening of the air inlet pipeline 401, and the air hole is arranged at the lower portion of the pipe wall adjacent to the air outlet pipeline 402 and the air inlet pipeline 401; the upper pipe opening of the air inlet pipeline 401 is left with a gap with the upper cavity partition plate 308; the oil return cover 403 is riveted with the outer pipe wall of the air inlet pipeline 401 and the air outlet pipeline 402, the oil return hole 404 is arranged at the corresponding position of the bottom of the oil return cover 403 and the air outlet pipeline 402, and the filter screen II 406 is sleeved on the outside of the oil return cover 403; the equalizing hole 405 is arranged on the upper outer wall of the air outlet pipeline.

[0034] The upper cavity partition plate 308 is provided with a deceleration and collection plate 302 with an arc on one side, and the edge of the upper cavity partition plate 308 at the end of the deceleration channel is provided with a half partition 310, and the air inlet channel 312 is provided with a partition protrusion 311 on the side close to the cylinder body 2. The upper end of the half partition 310 is in abutment with the inner top of the cover 1. The upper end of the partition protrusion 311 is in abutment with the inner top of the cover 1.

[0035] The speed reduction collection plate 302 is staggered in the running direction of the refrigerant, and the upper space is sequentially divided into cavities a, b, c, d, and e, as shown in the figure. The last cavity can be marked as cavity f. The lower cavity is as shown in the figure. Cavity A is arranged corresponding to cavity a, cavity B is arranged corresponding to cavity b, cavity C is arranged corresponding to cavity c, cavity D corresponds to cavity d and cavity e at the same time, and the last cavity is still cavity f. When the compressor works, part of the high-temperature and high-pressure gas enters the heat generation port 104 through the electromagnetic valve connected to the compressor, and the other part participates in the work and is connected to the inlet 103. The high-temperature and high-pressure gas of the inlet 103 and the mixture of the liquid and the high-temperature gas in the heat generation port 104 are gathered in cavity a at the same time. The speed reduction collection plate 302 can maximize the interception of liquid in the refrigerant while realizing vortex speed reduction. Figure 2 Figure 3 The outer edge of the cover 1 is fixedly connected with the upper cavity partition plate 308, and the upper end surface of the speed reduction collection plate 302 abuts against the inner top of the cover 1; the upper cavity passage 303 is arranged outside the arc-shaped end of the speed reduction collection plate 302, and the refrigerant passes through the upper space of the upper cavity passage 303. The windward surface bottom of the speed reduction collection plate 302 and the upper cavity passage 303 is provided with a through groove 301. The outer periphery of the through groove 301 is provided with a collection pit 309.

[0036] The baffle plate 304 is arranged corresponding to the through groove 301 at the lower part of the upper cavity partition plate 308; the lower cavity gaseous passage 305 is arranged on the solid-liquid sheet 307 at the lower part of the upper cavity partition plate 308, and the lower end of the solid-liquid sheet 307 is left with a narrow gap less than 2mm from the bottom surface of the cylinder body 2. The lower cavity gaseous passage 305 is used to relieve the gas pressure in the cylinder, and the liquid through hole 306 and the narrow gap are arranged to realize liquid level stability under the premise of reducing disturbance in the cylinder.

[0037] The arrangement of the half partition 310 and the partition protrusion 311 achieves the purpose of further reducing the speed and intercepting the liquid in the refrigerant.

[0038] The arrangement of the half partition 310 and the partition protrusion 311 achieves the purpose of further reducing the speed and intercepting the liquid in the refrigerant.​

Claims

1. An air-liquid separator capable of air supplement, speed reduction and noise reduction, comprising a cover (1), a cylinder (2), a flow separation baffle (3) and an air-liquid separation pipeline assembly (4), the upper part of the cylinder (2) is open and fixedly connected with the cover (1) to form a cylinder space; the cover (1) is provided with an inlet (103) for air-liquid mixed refrigerant, a heat generation port (104) for high-temperature gas and an outlet (101) for refrigerant output; the flow separation baffle (3) comprises a transversely arranged upper cavity baffle (308) and a solid-liquid sheet (307) arranged along the axis of the cylinder (2); the upper cavity baffle (308) divides the cylinder space into two layers of upper and lower spaces capable of communicating with each other, the upper space forms a curve flow passage for refrigerant reduction by means of staggered arrangement of speed reduction collection plates (302), and the upper cavity baffle (308) is provided with an opening (313) at the end of the speed reduction passage for communication with the lower space; the lower space is divided into a plurality of cavities capable of communicating with each other by means of the solid-liquid sheet (307), and the cavities receive liquid flowed down from the corresponding upper space; the air-liquid separation pipeline assembly (4) is installed in the cavity at the end of the speed reduction passage, which is referred to as the last cavity, the air-liquid separation pipeline assembly (4) inhales refrigerant reduced by the speed reduction passage and performs air-liquid separation, and the gaseous refrigerant outlet of the air-liquid separation pipeline assembly (4) is fixedly connected with the outlet (101); The application is characterized in that the inlet (103) is connected with a part of high-temperature and high-pressure gas output by a compressor; the bottom of the cylinder (2) is provided with a liquid outlet (201); the heat generation port (104) is connected with a three-way joint; another part of high-temperature and high-pressure gas output by the compressor is connected with an input port of the three-way joint; one end of the liquid outlet (201) is connected with one end of a Venturi tube, and the other end of the Venturi tube is connected with an input port of the three-way joint, so that the Venturi tube self-suction enables the liquid in the cylinder (2) to mix with the high-temperature and high-pressure gas output by the compressor in the three-way joint and then be input to the heat generation port (104); the upper cavity baffle (308) is fixedly connected with the lower edge of the cover (1); the upper end face of the speed reduction collection plate (302) and the upper end face of the solid-liquid sheet (307) of the last cavity are both in abutment with the inner top of the cover (1), one side of the speed reduction collection plate (302) is arc-shaped, the inner arc side of the speed reduction collection plate (302) is the windward face of refrigerant inflow, and a boss-shaped upper cavity passage (303) is arranged outside the arc-shaped end of the speed reduction collection plate (302); refrigerant passes through the upper space of the upper cavity passage (303); a through groove (301) is arranged at the bottom of the windward face of the speed reduction collection plate (302) and the upper cavity passage (303), and a baffle (304) is arranged at the corresponding position of the lower part of the upper cavity baffle (308); the last cavity is provided with an air inlet passage (312) at the upper part of the solid-liquid sheet (307) at the end of the speed reduction passage; the solid-liquid sheet (307) located in the lower space is provided with a lower cavity gaseous passage (305), and the lower end of the solid-liquid sheet (307) is spaced apart from the bottom surface of the cylinder (2) by a narrow gap of less than 2 mm.

2. The gas-liquid separator of claim 1, wherein: The outer periphery of the through groove (301) is provided with a collection pit (309).

3. The gas-liquid separator of claim 1, wherein: The upper chamber partition (308) is provided with a half partition (310) at the edge of the end of the deceleration channel; the upper end of the half partition (310) abuts against the inner top of the cover (1).

4. The gas-liquid separator of claim 1, wherein: The air inlet channel (312) is provided with a partition protrusion (311) on one side close to the barrel (2); the upper end of the partition protrusion (311) abuts against the inner top of the cover (1).

5. The gas-liquid separator of claim 1, wherein: The liquid outlet (201) is provided with a filter screen (5) at the port in the barrel (2).

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