CN220802524U - Special gas-liquid separation device for refrigeration compressor - Google Patents

Abstract

The utility model discloses a special gas-liquid separation device for a refrigeration compressor, and relates to the technical field of gas-liquid separation. The utility model comprises a first baffle, a second baffle, a silk screen filter assembly, a sponge filter assembly and an annular bottom frame, wherein upright rods distributed in an annular array are fixed at the upper end of the annular bottom frame, and the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly are all positioned at the inner sides of all the upright rods; the first baffle comprises a first ring frame and a first baffle plate fixed on the inner side of the first ring frame, the second baffle comprises a second ring frame and a second baffle plate fixed on the inner side of the second ring frame, and the silk screen filtering component comprises a third ring frame and a stainless steel wire net fixed on the inner side of the third ring frame. The utility model solves the problems that the conventional gas-liquid filter screen cannot meet higher filtering separation precision in a limited space and the contact area of oil mist is smaller during gas-liquid separation by arranging the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly.

Description

Special gas-liquid separation device for refrigeration compressor

Technical Field

The utility model belongs to the technical field of gas-liquid separation, and particularly relates to a gas-liquid separation device special for a refrigeration compressor.

Background

In a vapor compression refrigeration system, a refrigerant is lifted from a low pressure to a high pressure by a refrigerant compressor and circulated, thereby allowing the system to continuously discharge internal heat into an environment above the temperature of the system. For a centrifugal unit, in order to ensure normal lubrication of a bearing and evaporation of relatively pure refrigerant in an evaporator, the refrigerant and lubricating oil are required to be fully separated to ensure high performance of the unit. In particular to a pressure balance pipe in an oil tank, in order to reduce the pressure of the oil tank, the balance pipe is led to an air inlet of a compressor, so that a mixture of refrigerant and oil enters a compressor system to influence the normal lubrication of a bearing and the purity of the refrigerant. For the gas-liquid separation, the gas-liquid in the lubricating oil mist is required to be separated out so as to play a role in purification, but the following defects still exist in the actual gas-liquid separation:

The conventional gas-liquid separation method mostly adopts a gas-liquid filter screen for filtering, but the size and the precision of the filter screen are limited, so that a certain mesh number of the gas-liquid filter screen is required to be maintained for obtaining a better filtering effect, the size of the filter screen is greatly required, and higher filtering and separating precision cannot be ensured in a limited space, so that improvement and optimization are required;

When the conventional gas-liquid separation is carried out, the gas-liquid filter screen is utilized for filtering separation, the contact surface is very small, a large amount of oil mist can not contact the filter screen, and the filtering effect is reduced.

Disclosure of utility model

The utility model aims to provide a special gas-liquid separation device for a refrigeration compressor, which solves the problems that a conventional gas-liquid filter screen cannot meet higher filtering separation precision in a limited space and the contact area of oil mist is smaller during gas-liquid separation by arranging a first baffle, a second baffle, a silk screen filter assembly and a sponge filter assembly.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a special gas-liquid separation device for a refrigeration compressor, which comprises a first baffle, a second baffle, a wire mesh filter assembly, a sponge filter assembly and an annular bottom frame, wherein vertical rods distributed in an annular array are fixed at the upper end of the annular bottom frame, the first baffle, the second baffle, the wire mesh filter assembly and the sponge filter assembly are positioned on the same vertical line and are sequentially arranged from bottom to top, and the first baffle, the second baffle, the wire mesh filter assembly and the sponge filter assembly are positioned on the inner sides of all the vertical rods;

When the oil mist rises, the oil mist is filtered and separated step by step along the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly, and the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly are synchronously fixed by utilizing the matching of the annular bottom frame and the vertical rod, and are directly and integrally arranged in the corresponding oil-gas separation tank, the screw refrigerating compressor or the piston refrigerating compressor, so that the installation is convenient and stable;

The first baffle comprises a first ring frame and a first baffle plate fixed on the inner side of the first ring frame, the second baffle plate comprises a second ring frame and a second baffle plate fixed on the inner side of the second ring frame, the silk screen filtering component comprises a third ring frame and a stainless steel wire net fixed on the inner side of the third ring frame, and the sponge filtering component comprises a fourth ring frame and a porous sponge plate fixed on the inner side of the fourth ring frame;

When the gas carrying the solid particle oil mist rises at a certain speed, the oil mist is firstly contacted with the inclined baffle plate I in the annular frame I under the action of the rising inertia of the oil mist, liquid drops are adhered to the surface of the baffle plate I, the dead weight of the liquid drops is continuously increased until the liquid drops fall off, the filtering separation treatment of the first step is realized, then the oil mist continuously rises to be contacted with the baffle plate II in the annular frame II, and similarly, the liquid drops in the oil mist are adhered to the surface of the baffle plate II, and the dead weight is increased and then falls off again along with the continuous increase of the time, so that the secondary separation treatment is realized;

Then the oil mist continuously rises to collide with the stainless steel wire mesh in the ring frame III and is adhered to the surface of the stainless steel wire mesh, mist on the surface of the stainless steel wire mesh is further diffused, the oil mist is settled by gravity, liquid drops are bigger and bigger, smaller solid particles in the oil mist stay in the device, and the bigger particles fall into an oil collecting groove below the container together with the oil drops;

Finally, a small amount of residual oil mist passes through the porous sponge plate in the ring frame IV and finally discharges clean gas meeting the standard requirements;

The first baffle plate and the second baffle plate are obliquely arranged, and the first baffle plate and the second baffle plate are distributed in a crisscross manner in a overlook view; the oil mist is continuously redirected and contacted with a large number of first baffle plates and second baffle plates, so that the retention time in the device is prolonged, and the filtering and separating effects are improved;

The stainless steel wire mesh is formed by transversely and longitudinally interweaving stainless steel warp yarns and stainless steel weft yarns, and the cross sections of the stainless steel warp yarns and the stainless steel weft yarns are of inverted V-shaped structures;

The stainless steel warp yarns and the stainless steel weft yarns are interwoven to form the stainless steel wire mesh for filtering, the contact surface between the inverted V-shaped structure and oil mist can be effectively increased, and adhered liquid drops can slide along the inverted V-shaped inclined plane more effectively, so that the separation effect is improved, the cost is saved, and the efficient gas-liquid separation treatment is performed.

Further, clamping grooves corresponding to the number of the vertical rods are formed in the peripheries of the first ring frame, the second ring frame, the third ring frame and the fourth ring frame, and the first ring frame, the second ring frame, the third ring frame and the fourth ring frame are clamped outside the vertical rods through the clamping grooves;

The first ring frame, the second ring frame, the third ring frame and the fourth ring frame are connected with the vertical rod in a clamping way through clamping grooves, so that effective stable connection can be ensured, and space occupation is not affected.

Further, both ends of all stainless steel warp wires and stainless steel weft wires are fixed on the inner wall of the ring frame III.

Further, an ear plate is fixed at the top of each upright rod, mounting holes are formed in the ear plate and the upright rods in a penetrating manner, a limit bolt is screwed in each mounting hole in the inner side of the upright rod below the second ring frame, the third ring frame and the fourth ring frame, the second ring frame, the third ring frame and the fourth ring frame are lapped on the corresponding limit bolts below the second ring frame, the third ring frame and the fourth ring frame, and the first ring frame is lapped on the annular bottom frame;

According to the actual requirement, the ear plates are selected, unnecessary direct cutting is performed, conventionally, the vertical rods can be lapped at the pipe orifices of the corresponding oil-gas separation tanks through the ear plates, and are screwed into the mounting holes in the ear plates to be fixed with corresponding equipment by matching with corresponding structures such as screws, so that the installation of the whole device can be completed by only fixing the positions of the ear plates on the vertical rods, the operation is simple and convenient, and the inner walls of the corresponding equipment can be additionally perforated on the vertical rods for fixing;

Secondly, after the second ring frame, the third ring frame and the fourth ring frame are clamped on the corresponding vertical rods, the corresponding limit bolts are matched for supporting and limiting, and the first ring frame is directly supported through the annular bottom frame.

Further, the outer side wall of the vertical rod is an arc surface, and the cross section of the vertical rod is completely attached to the cross section of the clamping groove, so that the outer arc surface of the vertical rod is matched with the outer side surfaces of the first ring frame, the second ring frame, the third ring frame and the fourth ring frame.

The utility model has the following beneficial effects:

According to the utility model, the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly are arranged, so that the problem that a conventional gas-liquid filter screen cannot meet higher filtering separation precision in a limited space is solved; when the oil mist rises, the oil mist is filtered and separated step by step along the first baffle, the second baffle, the silk screen filter assembly and the sponge filter assembly, and high-precision multi-level gas-liquid separation treatment is met in a limited space.

According to the utility model, the first deflector, the second deflector and the silk screen filter assembly are arranged, so that the problem of small oil mist contact area during gas-liquid separation is solved; the oil mist can firstly contact the first baffle plate and the second baffle plate, the inclined first baffle plate and the inclined second baffle plate can not only increase the contact surface with the oil mist, but also change the guide of the oil mist and increase the retention time of the oil mist, when the oil mist passes through the stainless steel wire mesh formed by the staggered weaving of the stainless steel warp wires and the stainless steel weft wires, the contact surface with the oil mist can be effectively increased by the inverted V-shaped structure, and adhered liquid drops can more effectively slide along the inverted V-shaped inclined surface, so that the separation effect is improved.

The utility model is provided with the annular bottom frame to be matched and fixed with four upright posts, so as to fix the first baffle, the second baffle, the silk screen filtering component and the sponge filtering component, limit the baffle by matching with the limit bolts, and facilitate the installation and limit.

The utility model has the advantages of convenient integral installation, operation and maintenance, long service life, convenient processing, simple structure and light weight.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.

FIG. 1 is a perspective view of a gas-liquid separation device dedicated for a refrigeration compressor;

FIG. 2 is a cross-sectional view of a first baffle;

FIG. 3 is a longitudinal cross-sectional view of a second baffle;

FIG. 4 is a partial cross-sectional view of a wire mesh filter assembly;

FIG. 5 is an enlarged view of the structure of FIG. 4 at A;

FIG. 6 is a block diagram of a sponge filter assembly;

Fig. 7 is a connection diagram of the annular bottom frame and the vertical rod.

Reference numerals:

1. A first baffle; 101. a first ring frame; 102. a first baffle plate; 2. a second baffle; 201. a second ring frame; 202. a baffle II; 3. a wire mesh filter assembly; 301. a third ring frame; 302. stainless steel wire mesh; 3021. stainless steel warp; 3022. stainless steel weft yarns; 4. a sponge filter assembly; 401. a ring frame IV; 402. a porous sponge plate; 5. an annular bottom frame; 501. a vertical rod; 5011. ear plates; 502. a mounting hole; 503. a limit bolt; 6. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-7, the utility model discloses a special gas-liquid separation device for a refrigeration compressor, which comprises a first baffle 1, a second baffle 2, a wire mesh filter assembly 3, a sponge filter assembly 4 and an annular bottom frame 5, wherein upright rods 501 distributed in an annular array are fixed at the upper end of the annular bottom frame 5, the first baffle 1, the second baffle 2, the wire mesh filter assembly 3 and the sponge filter assembly 4 are positioned on the same vertical line and are sequentially arranged from bottom to top, and the first baffle 1, the second baffle 2, the wire mesh filter assembly 3 and the sponge filter assembly 4 are positioned at the inner sides of all the upright rods 501;

When the oil mist rises, the oil mist is filtered and separated step by step along the first baffle 1, the second baffle 2, the silk screen filter assembly 3 and the sponge filter assembly 4, and the first baffle 1, the second baffle 2, the silk screen filter assembly 3 and the sponge filter assembly 4 are synchronously fixed by matching the annular bottom frame 5 and the vertical rod 501, and are directly and integrally arranged in a corresponding oil-gas separation tank, screw refrigerating compressor or piston refrigerating compressor, so that the installation is stable;

The first baffle 1 comprises a first ring frame 101 and a first baffle plate 102 fixed on the inner side of the first ring frame 101, the second baffle 2 comprises a second ring frame 201 and a second baffle plate 202 fixed on the inner side of the second ring frame 201, the screen filter assembly 3 comprises a third ring frame 301 and a stainless steel wire mesh 302 fixed on the inner side of the third ring frame 301, and the sponge filter assembly 4 comprises a fourth ring frame 401 and a porous sponge plate 402 fixed on the inner side of the fourth ring frame 401;

When the gas carrying the solid particle oil mist rises at a certain speed, the oil mist is firstly contacted with the inclined baffle plate I102 under the action of the rising inertia of the oil mist, after the oil mist contacts the baffle plate I102, the temperature of the oil mist is reduced, the liquid drops adhere to the surface of the baffle plate I102, the dead weight of the liquid drops is continuously increased until the liquid drops fall, the filtering separation treatment of the first step is realized, and the inclined baffle plate I102 can not only increase the contact surface with the oil mist, but also change the guiding of the oil mist;

Then the oil mist continuously rises to contact with the second baffle plate 202, and liquid drops in the oil mist are adhered to the surface of the second baffle plate 202, and the oil mist continuously increases along with the time to increase dead weight and drop down again, so that secondary separation treatment is realized;

The oil mist then continues to rise to collide with the stainless steel wire mesh 302 and adhere to the surface of the stainless steel wire mesh 302, mist on the surface of the stainless steel wire mesh 302 is further diffused and gravity sedimentation of the oil mist is carried out, so that larger liquid drops formed by the oil mist flow to the interweaving part along the stainless steel wire mesh 302, however, the liquid drops are bigger and bigger due to the wettability of the stainless steel wire mesh 302, the surface tension of liquid and the capillary action of the stainless steel wire mesh 302, until the gravity of the liquid drops exceeds the resultant force of the buoyancy of gas rise and the surface tension of liquid, the liquid drops are separated and fall into an oil collecting groove below a container, at the moment, smaller solid particles in the oil mist stay in the device, and the larger particles fall into the oil collecting groove below the container together with the oil drops;

The small amount of oil mist finally remained passes through the porous sponge plate 402, further filters out small liquid drops and solid particles, and finally discharges clean gas meeting the standard requirements after passing through the device.

The peripheries of the first ring frame 101, the second ring frame 201, the third ring frame 301 and the fourth ring frame 401 are provided with clamping grooves 6 corresponding to the number of the vertical rods 501, and the first ring frame 101, the second ring frame 201, the third ring frame 301 and the fourth ring frame 401 are clamped outside the vertical rods 501 through the clamping grooves 6;

The first ring frame 101, the second ring frame 201, the third ring frame 301 and the fourth ring frame 401 are connected with the vertical rod 501 in a clamping way through the clamping groove 6, so that effective stable connection can be ensured, and space occupation is not affected.

The first baffle plate 102 and the second baffle plate 202 are obliquely arranged, and the first baffle plate 102 and the second baffle plate 202 are distributed in a crisscross manner in a overlook view; the oil mist is continuously redirected and contacted with a plurality of first baffles 102 and second baffles 202, so that the retention time in the device is prolonged, and the filtering separation effect is improved.

The stainless steel wire mesh 302 is formed by transversely and longitudinally interweaving stainless steel warp threads 3021 and stainless steel weft threads 3022, two ends of all the stainless steel warp threads 3021 and the stainless steel weft threads 3022 are fixed on the inner wall of the ring frame III 301, and the cross sections of the stainless steel warp threads 3021 and the stainless steel weft threads 3022 are of inverted V-shaped structures;

The stainless steel warp 3021 and the stainless steel weft 3022 are woven in a staggered manner to form the stainless steel screen 302 for filtering, the contact surface between the inverted V-shaped structure and oil mist can be effectively increased, and adhered liquid drops can slide along the inverted V-shaped inclined surface more effectively, so that the separation effect is improved, the cost is saved, and efficient gas-liquid separation treatment is performed.

The top of each upright post 501 is fixedly provided with an ear plate 5011, mounting holes 502 are formed in the ear plate 5011 and the upright posts 501 in a penetrating manner, a limit bolt 503 is screwed in the mounting holes 502 on the inner sides of the upright posts 501 below the second ring frame 201, the third ring frame 301 and the fourth ring frame 401, the second ring frame 201, the third ring frame 301 and the fourth ring frame 401 are lapped on the corresponding limit bolts 503 below the second ring frame 201, the first ring frame 101 is lapped on the annular bottom frame 5;

The ear plate 5011 is selected according to actual needs, unnecessary direct cutting is performed, conventionally, the vertical rod 501 can be lapped at the pipe orifice of the corresponding oil-gas separation tank through the ear plate 5011, and the installation hole 502 in the ear plate 5011 is screwed into the corresponding equipment to be fixed by matching with the corresponding structures such as screws, so that the installation of the whole device can be completed by only fixing the position of the ear plate 5011 on the vertical rod 501, the operation is simple and convenient, and the additional holes can be formed in the vertical rod 501 to be fixed on the inner wall of the corresponding equipment;

Secondly, after the second ring frame 201, the third ring frame 301 and the fourth ring frame 401 are clamped on the corresponding upright posts 501, the first ring frame 101 is supported and limited by matching with the corresponding limit bolts 503, and then the first ring frame 101 is directly supported through the annular bottom frame 5.

The outer side wall of the upright pole 501 is an arc surface, and the cross section of the upright pole 501 is completely attached to the cross section of the clamping groove 6, so that the outer arc surface of the upright pole 501 is matched with the outer side surfaces of the first ring frame 101, the second ring frame 201, the third ring frame 301 and the fourth ring frame 401.

The specific working principle of the utility model is as follows: the device is directly and integrally arranged in a corresponding oil-gas separation tank, a screw refrigerating compressor or a piston refrigerating compressor, the vertical rod 501 can be lapped at the pipe orifice of the corresponding oil-gas separation tank through the lug plate 5011 and is screwed into the mounting hole 502 in the lug plate 5011 to be fixed with corresponding equipment by matching with the corresponding structures such as screws, so that the whole device can be mounted by only fixing the position of the lug plate 5011 on the vertical rod 501, the vertical rod 501 can be additionally provided with holes and is fixed on the inner wall of the corresponding equipment,

Then the first ring frame 101 is lapped on the annular bottom frame 5, then a limit bolt 503 is screwed in a mounting hole 502 at the upper and lower parts of the vertical rod 501, the second ring frame 201 is clamped on the vertical rod 501 and supported by the limit bolt 503, then a limit bolt 503 is screwed in a mounting hole 502 at the middle part of the vertical rod 501, the third ring frame 301 is clamped on the vertical rod 501 and supported by a limit bolt 503 below the vertical rod 501, finally a limit bolt 503 is screwed in a mounting hole 502 at the upper part of the vertical rod 501, and finally the fourth ring frame 401 is clamped outside the vertical rod 501 through a clamping groove 6 and supported and limited by a limit bolt 503 below the vertical rod 501;

When the gas carrying the solid particle oil mist rises at a certain speed and passes through the device, the oil mist is firstly contacted with the inclined baffle plate I102 in the annular frame I101 under the action of the rising inertia of the oil mist, after the oil mist contacts with the baffle plate I102, the temperature of the oil mist is reduced, and the liquid drops adhere to the surface of the baffle plate I102, so that the dead weight of the liquid drops is continuously increased until the liquid drops fall, and the filtering separation treatment of the first step is realized;

Then the oil mist continuously rises to contact with the second baffle plate 202 in the second ring frame 201, and similarly, liquid drops in the oil mist are adhered to the surface of the second baffle plate 202, and the oil mist is continuously increased along with the time to increase dead weight and then falls down, so that secondary separation treatment is realized;

Then the oil mist continuously rises to collide with the stainless steel wire mesh 302 in the ring frame III 301 and is adhered to the surface of the stainless steel wire mesh 302, mist on the surface of the stainless steel wire mesh 302 is further diffused and gravity sedimentation of the oil mist is carried out, so that larger liquid drops formed by the oil mist flow to the interweaving part along the stainless steel wire mesh 302, however, the liquid drops are bigger and bigger due to the wettability of the stainless steel wire mesh 302, the surface tension of liquid and the capillary action of the stainless steel wire mesh 302 until the gravity of the liquid drops exceeds the resultant force of the rising buoyancy of gas and the surface tension of liquid, the liquid drops are separated and fall into an oil collecting groove below a container, at the moment, smaller solid particles in the oil mist stay in the device, and the larger particles fall into the oil collecting groove below the container together with the oil drops;

Finally, a small amount of residual oil mist passes through the porous sponge plate 402 in the ring frame IV 401, small liquid drops and solid particles are further filtered, and finally, clean gas meeting the standard requirements is discharged after the oil mist passes through the device, so that gas-liquid separation is completed.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (5)

1. The utility model provides a special gas-liquid separation of refrigeration compressor, includes baffle one (1), baffle two (2), silk screen filtration subassembly (3), sponge filtration subassembly (4) and annular underframe (5), its characterized in that: the upper end of the annular bottom frame (5) is fixedly provided with upright rods (501) distributed in an annular array, the first baffle (1), the second baffle (2), the wire mesh filter assembly (3) and the sponge filter assembly (4) are positioned on the same vertical line and are sequentially arranged from bottom to top, and the first baffle (1), the second baffle (2), the wire mesh filter assembly (3) and the sponge filter assembly (4) are positioned at the inner sides of all the upright rods (501);

The first baffle (1) comprises a first ring frame (101) and a first baffle plate (102) fixed on the inner side of the first ring frame (101), the second baffle (2) comprises a second ring frame (201) and a second baffle plate (202) fixed on the inner side of the second ring frame (201), the silk screen filter assembly (3) comprises a third ring frame (301) and a stainless steel wire mesh (302) fixed on the inner side of the third ring frame (301), and the sponge filter assembly (4) comprises a fourth ring frame (401) and a porous sponge plate (402) fixed on the inner side of the fourth ring frame (401);

The first baffle plates (102) and the second baffle plates (202) are obliquely arranged, and the first baffle plates (102) and the second baffle plates (202) are distributed in a crisscross manner in a overlook view;

The stainless steel wire mesh (302) is formed by transversely and longitudinally interweaving stainless steel warp threads (3021) and stainless steel weft threads (3022), and the cross sections of the stainless steel warp threads (3021) and the stainless steel weft threads (3022) are of inverted V-shaped structures.

2. The gas-liquid separation device special for refrigeration compressor as set forth in claim 1, wherein: the periphery of the first ring frame (101), the second ring frame (201), the third ring frame (301) and the fourth ring frame (401) are provided with clamping grooves (6) corresponding to the number of the vertical rods (501), and the first ring frame (101), the second ring frame (201), the third ring frame (301) and the fourth ring frame (401) are clamped outside the vertical rods (501) through the clamping grooves (6).

3. The gas-liquid separation device special for refrigeration compressor as set forth in claim 1, wherein: both ends of all the stainless steel warp wires (3021) and the stainless steel weft wires (3022) are fixed on the inner wall of the ring frame III (301).

4. The gas-liquid separation device special for refrigeration compressor as set forth in claim 1, wherein: every the top of pole setting (501) is fixed with otic placode (5011), just all run through in otic placode (5011) and pole setting (501) and have seted up mounting hole (502), all connect in the inboard mounting hole (502) of pole setting (501) of ring frame two (201), ring frame three (301) and ring frame four (401) below soon one stop bolt (503), and ring frame two (201), ring frame three (301) and ring frame four (401) overlap joint on stop bolt (503) that its below corresponds, ring frame one (101) overlap joint is on annular underframe (5).

5. The gas-liquid separation device special for refrigeration compressor as set forth in claim 2, wherein: the outer side wall of the vertical rod (501) is an arc surface, and the cross section of the vertical rod (501) is completely attached to the cross section of the clamping groove (6).