CN215295462U

CN215295462U - Refrigerant gas-liquid two-phase separator for refrigerating unit

Info

Publication number: CN215295462U
Application number: CN202121332576.XU
Authority: CN
Inventors: 应炳锋
Original assignee: Zhejiang Boye Refrigeration Equipment Co ltd
Current assignee: Zhejiang Boye Refrigeration Equipment Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-24
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a refrigerant gas-liquid two-phase separator for refrigerating unit, including outer separator and interior separator, be equipped with the gas guide plate that is the spiral distribution in the outer separator, gas guide plate both ends are connected with outer wall of outer separator and interior separation respectively, be equipped with the filtration pore group that corresponds with whirl passageway position on the interior separator tube, it has the micropore gas separation membrane of cladding outside the filtration pore group to twine on the interior separator tube, compared with the prior art, the utility model discloses combine centrifugal separation and micropore separation technique, utilize the whirl passageway that gas guide plate and interior separator formed, make the gas-liquid refrigerant when this whirl passageway rotatory flow, the centrifugal force that results in receiving is different by the density of gas and liquid, gas and liquid reach the separation, here simultaneously, the gas-liquid refrigerant of inner circle in the whirl passageway, its liquid-gas proportion is low, utilize filtration pore group and micropore gas separation membrane that set up, the microporous gas separation membrane is separated, the laying area of the microporous gas separation membrane is small, and the cost is saved.

Description

Refrigerant gas-liquid two-phase separator for refrigerating unit

Technical Field

The utility model relates to a technical field of refrigeration accessory, especially a two-phase separator of refrigerant gas-liquid for refrigerating unit.

Background

In the process of sucking the refrigerant by the compressor, the refrigerant contains more or less liquid refrigerant which is not completely gasified. In order to reduce the liquid refrigerant entering the cylinder, a gas-liquid separator is arranged at the suction pipe of the compressor to separate the incompletely gasified liquid refrigerant.

The gas-liquid separator is a cylindrical shell with a filter screen and an air suction pipe arranged inside, the filter screen is connected with the gas-liquid separator through a filter screen base plate and a filter screen pressing plate, and the filter screen base plate is generally provided with a round hole or a small semi-round hole which is concave and convex in the circumferential direction. Its disadvantages are narrow range of separation, high separation efficiency and easy blocking.

At present adopt micropore gas separation membrane to carry out microfiltration, its principle is that the gas-liquid refrigerant is when through micropore gas separation membrane, and gas can pass through the micropore, and liquid then is intercepted, has the advantage that separation efficiency is high, and its self resistance is great, compares the filter screen separation, changes the jam, and the cost is very expensive moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem among the prior art, provide a refrigerant gas-liquid double-phase separator for refrigerating unit, can fuse centrifugal separation and micropore separation, improve separation efficiency, reduce cost.

In order to achieve the above object, the utility model provides a two-phase separator of refrigerant gas-liquid for refrigerating unit, including upper and lower both ends set up import and leakage fluid dram respectively outer separator and vertical setting in the outer separator and be hollow interior separator, the top of interior separator stretches out and forms the gas vent from outer separator, the lower extreme of interior separator extends to the top of leakage fluid dram, be equipped with the gas guide plate that is spiral distribution in the outer separator, gas guide plate both ends respectively with the inner wall of outer separator and the outer wall connection of interior separation and form leading to the whirl passageway of interior separator lower extreme, be equipped with on the interior separator tube with the filtration pore group that the whirl passageway position corresponds, the winding has the micropore gas separation membrane of cladding outside the filtration pore group on the interior separator tube.

Preferably, the width of the filter hole group is smaller than the height of the cyclone channel, the microporous gas separation membrane is covered outside the filter hole group, and two ends of the microporous gas separation membrane are coated on two sides of the filter hole group.

Preferably, a buffer tube which is communicated with the inlet and is provided with a plurality of stages of slow flow cavities is arranged in the outer separator.

Preferably, the multistage slow flow cavities comprise a first slow flow cavity, a second slow flow cavity and two third slow flow cavities, wherein the first slow flow cavity, the second slow flow cavity and the two third slow flow cavities are sequentially arranged from top to bottom, the diameters of the first slow flow cavity, the second slow flow cavity and the two third slow flow cavities are gradually enlarged, the two third slow flow cavities are symmetrically distributed in an inclined mode, and outlets of the third slow flow cavities face the upper end of the rotational flow channel.

Preferably, the bottom of the inner separator is provided with a conical air guide sleeve, the conical air guide sleeve is provided with a plurality of connecting strips which are uniformly distributed at intervals and fixed with the outer separator, and a circulation port is arranged between every two adjacent connecting strips.

Preferably, the microporous gas separation membrane is a polyethylene microporous membrane.

The utility model has the advantages that: compared with the prior art, the utility model discloses combine centrifugal separation and micropore separation technique, utilize the whirl passageway that gas guide plate and inside and outside separator formed for the gas-liquid refrigerant is when this whirl passageway rotatory flow, the density by gas and liquid leads to the centrifugal force that receives different, gas and liquid reach the separation, herein simultaneously, the gas-liquid refrigerant of inner circle in the whirl passageway, its liquid-gas proportion is low, utilize the filtration pore group and the micropore gas separation membrane that set up, separate it, micropore gas separation membrane lays the area less moreover, and the cost is saved.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection between the inner separator and the gas baffle of the present invention;

fig. 3 is a schematic structural diagram of the internal separator of the present invention;

in the figure: 1-inlet, 2-liquid outlet, 3-outer separator, 4-inner separator, 5-gas outlet, 6-gas guide plate, 7-cyclone channel, 8-filter hole group, 9-microporous gas separation membrane, 10-buffer tube, 11-first slow flow cavity, 12-second slow flow cavity, 13-third slow flow cavity, 14-conical flow guide cover, 15-connecting strip and 16-flow port.

Detailed Description

Referring to fig. 1 to 3, the present invention comprises an outer separator 3 having an inlet 1 and a liquid outlet 2 formed at upper and lower ends thereof, respectively, and an inner separator 4 vertically disposed in the outer separator 3 and having a hollow shape, the top end of the inner separator 4 extends out of the outer separator 3 and forms an exhaust port 5, the lower end of the inner separator 4 extends to the upper part of the liquid outlet 2, a gas guide plate 6 which is spirally distributed is arranged in the outer separator 3, two sides of the gas guide plate 6 are respectively connected with the inner wall of the outer separator 3 and the outer wall of the inner separator 4 to form a rotational flow channel 7 leading to the lower end of the inner separator 4, the inner separator 4 is provided with a filter hole group 8 corresponding to the position of the rotational flow channel 7, the filter hole group 8 is spirally distributed on the inner separator 4, and the inner separator 4 is wound with a microporous gas separation membrane 9 coated outside the filter hole group 8. The cyclone channel 7 has the impact and centrifugal separation effects on the gas-liquid refrigerant, and the gas-liquid refrigerant with extremely low specific gravity reaches the gravity settling separation effect when being discharged to the exhaust port 5 by the inner separator 4, and is matched with the filter hole group 8 and the microporous gas separation membrane 9, so that the separation efficiency is greatly improved. The liquid coated on the microporous gas separation membrane 9 is carried away by the subsequent impact of the rotational flow gas-liquid refrigerant, so that the blockage is avoided.

In order to reduce the laying area of the microporous gas separation membrane 9, the width of the filter hole group 8 is smaller than the height of the cyclone channel 7, the microporous gas separation membrane 9 covers the filter hole group 8, and both ends of the microporous gas separation membrane are coated on both sides of the filter hole group 8. The microporous gas separation membrane 9 is a polyethylene microporous membrane, and the diameter of micropores of the microporous gas separation membrane is less than 20 micrometers.

Specifically, a buffer tube 10 which is communicated with the inlet 1 and is provided with a multi-stage buffer cavity is arranged in the outer separator 3. Because the gas-liquid refrigerant flow velocity that gets into import 1 is too fast, can take away the liquid that has collided the wall again, and the velocity of flow surpasss after the certain limit, separation efficiency descends, and the velocity of flow is too fast simultaneously, and it will strike whirl passageway 7, and the back is accomplished in the impact is dispersed again comprehensively, has increased the separation degree of difficulty, has reduced separation efficiency. With the arrangement of buffer tube 10, the flow velocity is reduced and the noise generated by the impact is reduced.

Specifically, the multistage turbulence chambers comprise a first turbulence chamber 11, a second turbulence chamber 12 and two third turbulence chambers 13 which are sequentially arranged from top to bottom and gradually enlarged in diameter, the two third turbulence chambers 13 are symmetrically distributed in an inclined manner, and outlets of the third turbulence chambers 13 face the upper end of the swirl passage 7. By using the first buffer chamber 11, the second buffer chamber 12 and the third buffer chamber 13 with gradually enlarged diameters, the flow direction and the flow area of the gas-liquid refrigerant are changed when the gas-liquid refrigerant passes through one buffer chamber, so that energy loss is generated, and the flow speed and the impact strength can be reduced.

Specifically, the bottom of the inner separator 4 is provided with a conical air guide sleeve 14, the conical air guide sleeve 14 is provided with a plurality of connecting strips 15 which are uniformly distributed at intervals and fixed with the outer separator 3, and a circulation port 16 is arranged between every two adjacent connecting strips 15. The flow port 16 is used for liquid sliding and collection, and the top surface of the conical air guide sleeve 14 is used for facilitating liquid collection, while the bottom surface of the conical air guide sleeve forms a cage air cavity for facilitating gas to be discharged out of the exhaust port 5.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a refrigerant gas-liquid two-phase separator for refrigerating unit, includes that upper and lower both ends offer outer separator (3) of import (1) and leakage fluid dram (2) respectively and vertical setting in outer separator (3) and be hollow interior separator (4), stretch out and form gas vent (5) in outer separator (3) on the top of interior separator (4), the lower extreme of interior separator (4) extends to the top of leakage fluid dram (2), its characterized in that: the inner separator is characterized in that gas guide plates (6) which are spirally distributed are arranged in the outer separator (3), two sides of each gas guide plate (6) are respectively connected with the inner wall of the outer separator (3) and the outer wall of the inner separator (4) to form a cyclone channel (7) leading to the lower end of the inner separator (4), filter hole groups (8) corresponding to the cyclone channels (7) are arranged on the inner separator (4), and microporous gas separation membranes (9) wrapping the filter hole groups (8) are wound on the inner separator (4).

2. The refrigerant gas-liquid two-phase separator for the refrigerating unit as set forth in claim 1, wherein: the width of the filter hole group (8) is smaller than the height of the cyclone channel (7), and the microporous gas separation membrane (9) covers the filter hole group (8) and covers the two sides of the filter hole group (8) at two ends.

3. The refrigerant gas-liquid two-phase separator for the refrigerating unit as recited in claim 1 or 2, wherein: and a buffer tube (10) which is communicated with the inlet (1) and is provided with a multi-stage slow flow cavity is arranged in the outer separator (3).

4. The refrigerant gas-liquid two-phase separator for the refrigerating unit as set forth in claim 3, wherein: the multistage unhurried current chamber includes that top-down arranges in proper order and diameter gradually enlarges first unhurried current chamber (11), second unhurried current chamber (12) and two third unhurried current chamber (13), two third unhurried current chambers (13) are the slope form symmetric distribution, the export orientation of third unhurried current chamber (13) the upper end of whirl passageway (7).

5. The refrigerant gas-liquid two-phase separator for the refrigerating unit as set forth in claim 1, wherein: the bottom of the inner separator (4) is provided with a conical air guide sleeve (14), the conical air guide sleeve (14) is provided with a plurality of connecting strips (15) which are uniformly distributed at intervals and fixed with the outer separator (3), and a circulation port (16) is arranged between every two adjacent connecting strips (15).

6. The refrigerant gas-liquid two-phase separator for the refrigerating unit as set forth in claim 1, wherein: the microporous gas separation membrane (9) is a polyethylene microporous membrane.