CN220380028U

CN220380028U - Anti-blocking oil separator for compressor

Info

Publication number: CN220380028U
Application number: CN202320933891.0U
Authority: CN
Inventors: 周伟佳; 周建华; 徐滨
Original assignee: Jiangsu Huarui Refrigeration Equipment Co ltd
Current assignee: Jiangsu Huarui Refrigeration Equipment Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2024-01-23
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of compressors and discloses an anti-blocking oil separator for a compressor, which comprises a separator main body, wherein a gas outlet is formed in the separator main body, an oil drain port is formed in one side of the separator main body, which is away from the gas outlet, an oil gas inlet and an oil return port are formed in the side wall of the separator main body, a central pipe is arranged on one side of the gas outlet inside the separator main body, guide vanes are fixed on the central pipe, a filter screen is coaxially arranged in the central pipe, a top cover is arranged on one side of the separator main body, which is away from the oil drain port, and the device solves the problems that oil drops attached to the oil hole in the central pipe are difficult to drop under the thrust of gas, easily block the central pipe and are difficult to dredge.

Description

Anti-blocking oil separator for compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to an anti-blocking oil separator for a compressor.

Background

The oil separator is used for separating lubricating oil in high-pressure steam discharged by the refrigeration compressor so as to ensure that the device operates safely and efficiently. According to the oil separation principle of reducing the air flow speed and changing the air flow direction, oil particles in high-pressure steam are separated under the action of gravity. The oil particles with the diameter of more than 0.2mm contained in the steam can be separated out under the general air flow speed of less than 1 m/s. The commonly used oil separators are of the four types of washing, centrifugal, packing and filtering.

At present, oil separator for compressors on the market is provided with anti-reflux mechanism, prevents the excessive time of oil drop that stores through the floating part to be provided with a plurality of tilt baffle at the center tube mouth of pipe, with prevent that the tiny oil drop that fails to subside under the action of gravity from following gaseous discharge, improved the energy efficiency ratio of compressor, but tilt baffle's oil resistance hole is comparatively tiny, and the oil drop that adheres to it is difficult to the drip under self tension and gaseous ascending thrust effect, causes the area of ventilating to reduce, blocks up the center tube even, influences the separation of oil gas, and integrated separator is difficult to dredge the jam department simultaneously.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an anti-blocking oil separator for a compressor, which is convenient for gas discharge and unblocking.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an anti-clogging oil separator for compressor, includes the separator main part, be provided with gas outlet in the separator main part, one side that the separator main part deviates from gas outlet is provided with the oil drain, be provided with oil gas inlet and oil return on the lateral wall of separator main part, the center tube is installed to the inside gas outlet one side of separator main part, be fixed with guide vane on the center tube, coaxial being provided with the filter screen in the center tube, the top cap is installed to one side that the separator main part deviates from the oil drain.

The utility model is further provided with: the gas outlet is provided with a thread groove, the oil gas inlet is arranged on one side far away from the oil drain port, the oil return port is arranged between the central pipe and the oil drain port, the oil return port is internally provided with a buoyancy valve, and a floating ball of the buoyancy valve is arranged in the separator main body.

The utility model is further provided with: the separator is characterized in that a mounting plate is arranged on the separator body, the gas outlet is formed in the mounting plate, a mounting groove is formed in one side, deviating from the separator body, of the mounting plate, the filter screen comprises a filter screen body, the filter screen body is cylindrical, an external thread is formed in one end, deviating from an oil drain port, of the filter screen body, the external thread is in threaded connection with the gas outlet, a mounting seat is fixed on the filter screen body, and the mounting seat is mounted in the mounting groove.

The utility model is further provided with: a plurality of oil blocking holes are formed in the wall of the filter screen body along the radial direction, and the maximum distance from the filter screen body to the mounting plate is smaller than or equal to the maximum distance from the central tube to the mounting plate.

The utility model is further provided with: the mounting seat is provided with a plurality of grooves on the bottom surface which is attached to the mounting plate, a plurality of first sealing rings are arranged in the grooves, second sealing rings are arranged on the side walls of the mounting seat, and the second sealing rings are attached to the side groove surfaces of the mounting groove.

The utility model is further provided with: the hinge is installed jointly on the side of top cap and the side of mounting panel, be connected with a plurality of bolts on the face of top cap and mounting panel, be fixed with the blast pipe on the top cap, install the sealing washer III on the terminal surface of one side of blast pipe orientation mounting panel, the sealing washer III is laminated with the mount pad mutually, blast pipe and sealing washer III are linked together with the filter screen.

The utility model has the advantages that:

1. a buoyancy valve is arranged at the oil return port, a valve core of the buoyancy valve is attached and sealed with the outlet end of the valve body under the pressure of gas and oil in a normal state, so that the gas and the oil are prevented from flowing back, when the oil is excessively temporarily stored in the lower layer of the separator main body, a floating ball of the buoyancy valve floats upwards to drive the valve to be opened, the oil flows back to the compressor, and the situation that the liquid level is higher than the lower end of the central pipe to block an exhaust channel is avoided;

2. the central tube is internally provided with the cylindrical filter screen, the oil blocking holes of the filter screen are arranged on the tube wall, so that the thrust of gas to oil drops attached to the oil blocking holes and the gravity of the oil drops are completely different from each other, the drop resistance of the oil drops is reduced, the oil drops on the filter screen slide down conveniently, the exhaust channel is prevented from being blocked, meanwhile, the surface area of the tube wall is larger, more oil blocking holes can be arranged, the ventilation area is increased, and the oil-gas separation efficiency is improved;

3. the filter screen body is connected with the separator main body through threads, the top cover is rotatably arranged on the separator main body and can be fixed with the separator main body through bolts, an exhaust pipe of the top cover is communicated with the filter screen, and the top cover is opened to take out the filter screen for dredging or replacement.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of an open configuration of the present utility model;

FIG. 4 is a schematic view of a filter screen according to the present utility model;

FIG. 5 is an enlarged view of portion B shown in FIG. 2;

in the figure: 1. a separator body; 101. a mounting plate; 102. a mounting groove; 103. a gas outlet; 2. a top cover; 3. an exhaust pipe; 4. an oil gas inlet; 5. an oil return port; 6. an oil drain port; 7. a buoyancy valve; 8. a central tube; 9. a filter screen; 901. a filter screen body; 902. a mounting base; 903. a groove; 904. an external thread; 10. a guide vane; 11. a first sealing ring; 12. a second sealing ring; 13. and a sealing ring III.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions:

an anti-blocking oil separator for a compressor comprises a separator main body 1, wherein a mounting plate 101 is covered above the separator main body 1, a gas outlet 103 is formed in the mounting plate 101 in a penetrating manner, an oil drain port 6 is arranged below the separator main body 1, an oil gas inlet 4 and an oil return port 5 are arranged on the side wall of the separator main body 1, the oil gas inlet 4 is arranged at a position close to the gas outlet 103, the oil return port 5 is arranged at a position close to the oil drain port 6, a central pipe 8 is fixed below the mounting plate 101, the bottom of the central pipe 8 is higher than the oil return port 5, guide vanes 10 are fixed on the outer pipe wall of the central pipe 8, the guide vanes 10 are attached to the inner wall of the separator main body 1, a filter screen 9 is arranged on the mounting plate 101, the filter screen 9 is arranged in the central pipe 8, a top cover 2 is rotatably arranged on the mounting plate 101, and the top cover 2 and the mounting plate 101 can be fixed through a plurality of bolts;

the oil-gas mixture enters the separator main body 1 from the oil-gas inlet 4, and the speed is reduced by the guide vane 10, so that oil drops in the mixture settle on the guide vane 10, drop on the bottom of the separator main body 1 along the guide vane 10 for temporary storage, and gas in the mixture enters from the lower end opening of the central shaft, and is discharged through the gas outlet 103 after residual oil drops are adsorbed by the filter screen 9.

The oil return port 5 links to each other with the oil tank of compressor, install buoyancy valve 7 in the oil return port 5, the floater setting of buoyancy valve 7 is in separator main part 1, the case of buoyancy valve 7 seals the laminating mutually with the valve body exit end under the pressure effect of gas or fluid under the normality, prevent that fluid or gas in the separator main part 1 from getting into the compressor through oil return port 5, when the too much time of the fluid of keeping in the separator main part 1, the floater rises, open the case for fluid in the separator main part 1 flows back into the compressor through oil return port 5, prevent that the fluid liquid level from being higher than the bottom surface of center tube 8 and causing the exhaust passage to block up.

The filter screen 9 comprises a filter screen body 901, wherein the filter screen body 901 is cylindrical and is coaxially arranged with the central tube 8, a plurality of oil blocking holes are radially formed in the side wall of the cylinder of the filter screen body 901, the lower end face of the filter screen body 901 is not lower than the lower end face of the central tube 8, and oil temporarily stored at the bottom of the separator body 1 is prevented from reaching and entering the filter screen body 901, so that gas passing through the filter screen body 901 contacts with and takes away the oil, and the effect of oil-gas separation is prevented from being reduced; the oil blocking hole is arranged on the wall of the filter screen body 901, can be provided with more oil blocking holes, improves the ventilation area, improves the oil-gas separation efficiency, and is arranged along the horizontal direction, and the acting force of gas on oil drops attached to the oil blocking hole is perpendicular to the gravity of the oil drops, so that the resistance of the oil drops is reduced, and the blocking possibility of an exhaust channel is reduced.

The upper end of the mounting plate 101 is provided with a mounting groove 102, the gas outlet 103 is provided with a thread groove, the upper end of the filter screen body 901 is fixedly provided with a mounting seat 902, one end of the filter screen body 901 is provided with an external thread 904, the external thread 904 is in threaded connection with the gas outlet 103, and the mounting seat 902 is arranged in the mounting groove 102;

an exhaust pipe 3 is fixed on the top cover 2, a third sealing ring 13 is arranged at the lower end of the exhaust pipe 3, the third sealing ring 13 is in sealing fit with the upper plate surface of the mounting seat 902, and the filter screen 9, the third sealing ring 13 and the exhaust pipe 3 are communicated;

when the top cover 2 is fixed with the mounting plate 101, the lower end of the exhaust pipe 3 presses the sealing ring III 13 downwards, so that the sealing ring III 13 is pressed with the mounting seat 902 to realize sealing, and the exhausted gas is ensured not to leak from the interface of the filter screen 9 and the exhaust pipe 3; the bolts for fixing the top cover 2 and the mounting plate 101 are opened, the top cover 2 is lifted, the filter screen 9 can be unscrewed, and the filter screen is replaced or blocked and dredged, so that the operation is convenient, the use cost is reduced, and the oil-gas separation efficiency is improved.

A plurality of grooves 903 are formed in the lower end face of the mounting seat 902, a first sealing ring 11 is mounted in each groove 903, a second sealing ring 12 is mounted on the side wall of the mounting seat 902, and the second sealing ring 12 is attached to the side groove face of the mounting groove 102; the sealing effect of the connection part of the filter screen 9 and the separator main body 1 is enhanced through the first sealing rings 11 and the second sealing rings 12, and gas leakage from the connection part is prevented.

Specifically, the oil-gas mixture enters the separator main body 1 from the oil-gas inlet 4, oil-gas separation is completed when the mixture passes through the guide vane 10, oil drops to the bottom of the separator main body 1 along the guide vane 10 and is temporarily stored, and gas enters from the bottom end of the central shaft 8 and is discharged from the exhaust pipe 3 after passing through the filter screen 9, so that the oil-gas separation is realized.

Temporary stored oil can be discharged through the oil drain port 6 at the bottom, when the oil is discharged in time, the liquid level rises, so that the floating ball of the buoyancy valve 7 rises, the buoyancy valve 7 is driven to be opened, the oil return port 5 is opened, excessive oil flows back into the oil tank of the compressor from the oil return port 5, and the failure of oil-gas separation caused by the fact that the central pipe 8 is blocked by the excessive liquid level is avoided.

The oil blocking holes are formed in the wall of the filter screen body 901 along the radial direction, the number of the oil blocking holes is increased, the ventilation area is increased, the oil-gas separation efficiency is improved, meanwhile, the acting force of gas on oil drops attached to the oil blocking holes is perpendicular to the gravity direction of the oil drops, the drop resistance of the oil drops is reduced, and the risk of blocking of the filter screen body 901 is reduced.

The filter screen 9 links to each other with separator main part 1 through external screw thread 904, is convenient for change or jam mediation to filter screen 9, dismantles the bolt between top cap 2 and the mounting panel 101, opens top cap 2, can unscrew filter screen 9, and the simple operation has improved oil gas separation efficiency, has reduced oil separator's use cost simultaneously.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An anti-clogging oil separator for compressors, comprising a separator body (1), characterized in that: be provided with gas outlet (103) on separator main part (1), one side that separator main part (1) deviates from gas outlet (103) is provided with oil drain (6), be provided with oil gas inlet (4) and oil return (5) on the lateral wall of separator main part (1), center tube (8) are installed to inside gas outlet (103) one side of separator main part (1), be fixed with guide vane (10) on center tube (8), coaxial filter screen (9) being provided with in center tube (8), top cap (2) are installed to one side that separator main part (1) deviates from oil drain (6).

2. An anti-clogging oil separator for compressors as claimed in claim 1, wherein: the gas outlet (103) is provided with a thread groove, the oil gas inlet (4) is arranged on one side far away from the oil drain port (6), the oil return port (5) is arranged between the central pipe (8) and the oil drain port (6), the oil return port (5) is internally provided with a buoyancy valve (7), and a floating ball of the buoyancy valve (7) is arranged in the separator main body (1).

3. An anti-clogging oil separator for compressors as claimed in claim 2, wherein: the utility model discloses a gas-liquid separator, including separator main part (1), gas outlet (103) is provided with mounting panel (101), mounting groove (102) have been seted up to one side that separator main part (1) was deviate from to mounting panel (101), filter screen (9) are including filter screen body (901), filter screen body (901) are the tube-shape, external screw thread (904) have been seted up to one end that oil drain (6) was deviate from to filter screen body (901), external screw thread (904) and gas outlet (103) threaded connection, be fixed with mount pad (902) on filter screen body (901), mount pad (902) are installed in mounting groove (102).

4. An anti-clogging oil separator for compressors as claimed in claim 3, wherein: a plurality of oil blocking holes are formed in the wall of the filter screen body (901) along the radial direction, and the maximum distance from the filter screen body (901) to the mounting plate (101) is smaller than or equal to the maximum distance from the central tube (8) to the mounting plate (101).

5. An anti-clogging oil separator for compressors as claimed in claim 4, wherein: a plurality of grooves (903) are formed in the bottom surface, which is attached to the mounting plate (101), of the mounting seat (902), a first sealing ring (11) is arranged in each groove (903), a second sealing ring (12) is arranged on the side wall of the mounting seat (902), and the second sealing ring (12) is attached to the side groove surface of the mounting groove (102).

6. An anti-clogging oil separator for compressors as claimed in claim 5, wherein: the hinge is installed jointly on the side of top cap (2) and the side of mounting panel (101), be connected with a plurality of bolts on the face of top cap (2) and mounting panel (101), be fixed with blast pipe (3) on top cap (2), install sealing washer three (13) on blast pipe (3) towards the one side terminal surface of mounting panel (101), sealing washer three (13) are laminated mutually with mount pad (902), blast pipe (3) and sealing washer three (13) are linked together with filter screen (9).