CN215597834U

CN215597834U - Oil-gas separator

Info

Publication number: CN215597834U
Application number: CN202120454591.5U
Authority: CN
Inventors: 陈增辉; 于迪; 郑修新
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-01-21
Anticipated expiration: 2031-03-02

Abstract

The utility model belongs to the technical field of oil-gas separation, and particularly provides an oil-gas separator. The utility model aims to solve the problem that the welding of the baffle plate in the cylinder body of the existing oil separator is difficult. The oil-gas separator comprises a cylinder body and a cylinder cover, wherein an air inlet pipe and an air outlet pipe are arranged on the cylinder body, a first shielding part is fixedly arranged on one surface, close to the cylinder body, of the cylinder cover, and the first shielding part faces towards the air inlet pipe, so that oil-gas mixture sprayed out of the air inlet pipe cannot be directly sprayed out of the air outlet pipe. The first shielding part plays a shielding role in the oil-gas mixture ejected by the air outlet pipe, so that the oil-gas mixture cannot be directly ejected from the air outlet pipe, oil drops in the oil-gas mixture are subjected to free settling separation, and the deoiled gas is discharged through the air outlet pipe. The cylinder cover and the cylinder body are arranged in a split mode, the first shielding part is fixedly arranged on the cylinder cover, and the assembled cylinder cover is integrally and fixedly connected with the cylinder body. The installation and maintenance of the shielding component are cleaner and more convenient.

Description

Oil-gas separator

Technical Field

The utility model belongs to the technical field of oil-gas separation, and particularly provides an oil-gas separator.

Background

The oil-gas separator is one of the key parts in the refrigeration system, and for the refrigeration system, as the refrigerant is not dissolved with the oil, when the lubricating oil enters the condenser and the evaporator together with the refrigerant, a layer of oil film is condensed on the heat transfer wall surface, so that the thermal resistance is increased, the heat transfer effect of the condenser and the evaporator is reduced, and the refrigeration effect is reduced. The high-quality oil-gas separator can not only ensure the efficient operation of the compressor, but also avoid the influence of the lubricating oil on the heat exchange performance of the heat exchanger of the unit and improve the performance of the refrigerating unit. Because the flow rate is fast and the temperature is high when the oil-gas mixture is discharged, the retention time of the airflow in the oil-gas separator is short, and the separation efficiency of the gas and oil drops is low. According to the existing oil separator, the baffle plate is welded in the oil-gas separator cylinder, so that the retention time of an oil-gas mixture in the cylinder is prolonged, and the separation effect is better. However, the cylinder of the oil-gas separator is narrow, so that the operation of welding personnel is inconvenient, and welding slag is not easy to clean, so that the compressor is damaged.

Accordingly, there is a need in the art for a new gas-oil separator to solve the problem of the prior art that it is difficult to weld the baffle plate in the cylinder.

SUMMERY OF THE UTILITY MODEL

The oil separator aims to solve the problems in the prior art, namely the problem that the welding of the baffle plate in the cylinder body of the existing oil separator is difficult. The utility model provides an oil-gas separator which comprises a cylinder body and a cylinder cover, wherein an air inlet pipe and an air outlet pipe are arranged on the cylinder body, a first shielding part is fixedly arranged on one surface, close to the cylinder body, of the cylinder cover, and the first shielding part faces towards the air inlet pipe, so that an oil-gas mixture sprayed out of the air inlet pipe cannot be directly sprayed out of the air outlet pipe.

In the preferable technical scheme of the oil-gas separator, the oil-gas separator further comprises a gas-liquid filter screen, the gas-liquid filter screen is fixed on the cylinder cover, and the first shielding part is fixed on one side of the gas-liquid filter screen.

In a preferable technical scheme of the oil-gas separator, a porous separation plate is arranged on the gas-liquid filter screen.

In a preferred embodiment of the gas-oil separator, the porous separation plate is located below the first shielding member.

In the preferable technical scheme of the oil-gas separator, a sealing plate is arranged on the other side of the gas-liquid filter screen, which is opposite to the first shielding part, so that the oil-gas mixture cannot directly flow through the gas-liquid filter screen.

In a preferred technical scheme of the oil-gas separator, a second shielding part is arranged on the other side of the gas-liquid filtering net relative to the first shielding part, the second shielding part is fixedly connected with the gas-liquid filtering net, and a vent hole is formed in a part, far away from the gas outlet pipe, of the second shielding part.

In the preferable technical scheme of the oil-gas separator, the gas-liquid filter screen comprises a stainless steel wire net, and the stainless steel wire net is arranged on two sides of the gas-liquid filter screen.

In the preferable technical scheme of the oil-gas separator, the gas-liquid filter screen comprises a seal, the seal seals the periphery of the gas-liquid filter screen, and a hole is formed in the seal at the bottom end.

In the preferable technical scheme of the oil-gas separator, the gas-liquid filter screen is rectangular, and the length direction of the gas-liquid filter screen is consistent with the height direction of the cylinder.

In the preferable technical scheme of the oil-gas separator, the cylinder body is provided with a liquid observation mirror and/or an oil outlet.

The oil-gas separator comprises a cylinder body and a cylinder cover, wherein the cylinder body is provided with an air inlet pipe and an air outlet pipe, one surface of the cylinder cover, which is close to the cylinder body, is fixedly provided with a first shielding part, and the first shielding part faces the air inlet pipe, so that an oil-gas mixture sprayed from the air inlet pipe cannot be directly sprayed out from the air outlet pipe.

Through the arrangement mode, the oil-gas mixture is sprayed out of the gas outlet pipe of the oil-gas separator, the first shielding component can shield the oil-gas mixture, so that the oil-gas mixture cannot be sprayed out of the gas outlet pipe directly, the speed of the gas flow is reduced, the residence time of the oil-gas mixture in the cylinder is prolonged, oil drops in the oil-gas mixture can be separated in a free settling mode under the action of gravity, the oil drops in the gas adhere to the first shielding component and the inner wall of the cylinder, the oil drops flow down along the surface of the first shielding component and the wall of the cylinder after being gathered, and the deoiled gas is discharged through the gas outlet pipe of the oil-gas separator. The cylinder cover and the cylinder body are arranged in a split mode, the first shielding part is fixedly arranged on the cylinder cover, and then the assembled cylinder cover is integrally and fixedly connected with the cylinder body. For current oil and gas separator will shelter from part lug weld in the inside of barrel, this scheme makes and shelters from the part and welds with the cover before assembling with the barrel, and the installation is cleaner convenient, effectually prevents because of the clean compressor damage that does not target in place arouses of welding slag.

Drawings

The present oil-gas separator will be described below by taking a vertical oil-gas separator as an example with reference to the accompanying drawings. In the drawings:

FIG. 1 is a schematic structural diagram of an oil-gas separator of the present invention;

FIG. 2 is a schematic structural diagram of a gas-liquid filter screen of the oil-gas separator of the present invention;

list of reference numerals:

the device comprises a barrel body 1, an air inlet pipe 11, an air outlet pipe 12, a barrel cover 2, a first shielding part 3, a gas-liquid filter screen 4, a porous separation plate 41, a sealing plate 42, a stainless steel wire mesh 43, a seal 44, a second shielding part 5, a liquid sight glass 6 and an oil outlet 7.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the vertical oil-gas separator is described as an example in the specification, it is obvious that the present invention may adopt other various forms of oil-gas separators, such as a horizontal oil-gas separator or a spherical oil-gas separator, as long as the oil-gas separator has an oil-gas separation function, which do not depart from the principle of the present invention, and therefore, the present invention will fall into the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, in order to solve the problem that it is difficult to weld the shielding plate in the cylinder of the conventional oil separator. The oil-gas separator comprises a cylinder body 1 and a cylinder cover 2, wherein an air inlet pipe 11 and an air outlet pipe 12 are arranged on the cylinder body 1, a first shielding part 3 is fixedly arranged on one surface, close to the cylinder body 1, of the cylinder cover 2, and the first shielding part 3 faces the air inlet pipe 11, so that oil-gas mixture sprayed from the air inlet pipe 11 cannot be directly sprayed from the air outlet pipe 12.

The setting mode has the advantages that: according to the oil-gas separator, the gas outlet pipe 12 sprays oil-gas mixture, the first shielding part 3 shields the oil-gas mixture so that the oil-gas mixture cannot be directly sprayed out of the gas outlet pipe 12, the speed of gas flow is reduced, the residence time of the oil-gas mixture in the cylinder body 1 is prolonged, oil drops in the oil-gas mixture can be freely settled and separated under the action of gravity, the oil drops in the gas adhere to the first shielding part 3 and the inner wall of the cylinder body 1, the oil drops flow down along the surface and the cylinder wall of the first shielding part 3 after being gathered, and the deoiled gas is discharged through the gas outlet pipe 12 of the oil-gas separator. The cylinder cover 2 and the cylinder body 1 are arranged in a split mode, the first shielding part 3 is fixedly arranged on the cylinder cover 2, and then the assembled cylinder cover 2 is integrally and fixedly connected with the cylinder body 1. For current oil and gas separator will shelter from the inside of part lug weld at the barrel, the narrow and small difficult operation in barrel inside. This scheme makes to shelter from the part and welds with the cover before assembling with the barrel, and the installation is cleaner convenient, the effectual compressor damage that prevents to arouse because of the welding slag is clean not in place.

As shown in fig. 1, in one possible embodiment, the oil-gas separator further includes a gas-liquid filter 4, the gas-liquid filter 4 is fixed on the cover 2, and the first shielding member 3 is fixed on one side of the gas-liquid filter 4. The gas-liquid filter 4 is provided with a porous separation plate 41. The porous separation plate 41 is located below the first shutter member 3.

The setting mode has the advantages that: the oil-gas mixture sprayed out of the gas outlet pipe 12 is sprayed out, is shielded and decelerated by the first shielding part 3, changes the flowing direction, flows along the gas-liquid filter screen 4, is filtered and separated, is further settled and separated by the porous separating plate 41 at the lower part of the first shielding part 3, and is then discharged out of the cylinder 1 through the gas outlet pipe 12.

Gas-liquid filter screen 4 makes the spun oil gas mixture increase the shielding effect again, makes it difficult direct spout from outlet duct 12, has increased the time that oil gas mixture dwells in barrel 1, and oil gas mixture further separates through gas-liquid filter screen 4's filtering action, has strengthened the separation effect, porous separation plate 41 sets up in the lower part, further separates oil gas mixture again, the oil drop of separation assembles on porous separation plate 41, after the gathering, drips under the action of gravity, thereby oil gas mixture's separation effect has been improved greatly. Gas-liquid filter screen 4 and cover 2 fixed connection make its installation change more convenient clean, with first part 3, the porous separation board 41 setting of sheltering from on gas-liquid filter screen 4 simultaneously, compare in the current inner wall that sets up respectively at barrel 1, the equipment of the oil and gas separator of this scheme is more simple and convenient.

As shown in fig. 1, in one possible embodiment, the other side of the gas-liquid filter 4 opposite to the first shielding part 3 is provided with a sealing plate 42, so that the oil-gas mixture cannot directly wash through the gas-liquid filter 4. The other side of the gas-liquid filter screen 4 relative to the first shielding part 3 is provided with a second shielding part 5, the second shielding part 5 is fixedly connected with the gas-liquid filter screen 4, and a vent hole is arranged on the part of the second shielding part 5 far away from the gas outlet pipe 12.

The setting mode has the advantages that: the sealing plate 42 arranged on the gas-liquid filter screen 4 prevents the oil-gas mixture from directly passing through the gas-liquid filter screen 4, so that the oil-gas mixture flows downwards along the gas-liquid filter screen 4, the oil-gas mixture is fully contacted with the gas-liquid filter screen 4 for separation and filtration, and the separation effect is enhanced. The gas after the separation shelters from through second shelters from part 5, further has slowed down the flow rate to shelter from the air vent flow direction outlet duct 12 that sets up on the part 5 through the second, because the air vent that part 5 was sheltered from to the second set up the part of keeping away from outlet duct 12, still prevented because of the damage that the velocity of flow of gas is too fast caused outlet duct 12.

As shown in fig. 1, in one possible embodiment, the gas-liquid filtering net 4 includes a stainless steel net 43, and the stainless steel net 43 is disposed on both sides of the gas-liquid filtering net 4. The gas-liquid filter screen 4 comprises a seal 44, the seal 44 seals the periphery of the gas-liquid filter screen 4, and the bottom seal 44 is provided with holes. The gas-liquid filter screen 4 is rectangular, and the length direction of the gas-liquid filter screen 4 is consistent with the height direction of the barrel 1.

The setting mode has the advantages that: when the oil-gas mixture is sprayed to the gas-liquid filter screen 4, the oil-gas mixture firstly passes through the stainless steel wire mesh 43 arranged on the gas-liquid filter screen 4, the stainless steel wire mesh 43 is high in strength and corrosion-resistant, and the gas-liquid filter screen 4 is prevented from being damaged by the high flow speed of the oil-gas mixture, the seal 44 seals the periphery of the gas-liquid filter screen 4, so that the oil-gas mixture cannot diffuse from the edge of the gas-liquid filter screen 4 to the periphery, the oil-gas mixture is further contacted with the gas-liquid filter screen 4 for separation and filtration, and separated oil drops flow to the bottom of the barrel body 1 through the opening at the bottom of the seal 44. The gas-liquid filter screen 4 is rectangular, the length direction of the gas-liquid filter screen is consistent with the height direction of the barrel 1, when the oil-gas mixture flows downwards, the length of the gas-liquid filter screen 4 is longer, the flowing distance of the oil-gas mixture on the gas-liquid filter screen 4 is longer, and therefore the gas-liquid filter screen 4 can more fully adsorb oil drops in the oil-gas mixture, and the separation effect is enhanced.

In a possible embodiment, as shown in fig. 1, a sight glass 6 and/or an oil outlet 7 are provided on the cylinder 1.

The setting mode has the advantages that: the liquid viewing mirror 6 is used for observing the flowing condition of the lubricating oil in the oil-gas separator, and the oil outlet 7 is used for discharging the lubricating oil at the bottom of the cylinder 1 and supplementing the lubricating oil lost in the compressor.

To sum up, the oil and gas separator of this scheme is through sheltering from part 3, porous separation plate 41, second with first sheltering from that the part 5 sets up on gas-liquid filter screen 4, gas-liquid filter screen 4 and cover 2 fixed connection, then will assemble 2 monolithic fixings of cover to the barrel 1 in to when strengthening oil separating effect, make oil and gas separator's production equipment comparatively convenient, the mode of external equipment further improves the convenience and the cleanliness factor of installation. The problem that the shielding component or the gas-liquid filter screen 4 is difficult to install in a narrow space in the cylinder body 1 is solved. Through shielding and filtering the oil-gas mixture for many times, the flowing speed of the oil-gas mixture is reduced, and the retention time of the oil-gas mixture in the cylinder body 1 is longer. And the closing plate 42 and the seal strip 44 are arranged on the gas-liquid filter screen 4, so that the flow distance of the oil-gas mixture on the gas-liquid filter screen 4 is lengthened, and the separation effect is better.

It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can modify the above-mentioned structure so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention.

For example, in an alternative embodiment, the number of the first shielding member 3 and the second shielding member 5 is not limited, and one or more may be provided as long as there is an effect of shielding the oil-gas mixture, without departing from the principle of the present invention, and thus will fall within the scope of the present invention.

For example, in another alternative embodiment, the perforated separation plate 41 and the closing plate 42 are described as plates, but the shapes thereof are not limited, and may be plates, gas-liquid filters, metal meshes, etc., and may be circular, square, or semicircular, etc., as long as they have the effect of shielding or filtering the oil-gas mixture, without departing from the principle of the present invention, and thus, they will fall within the protection scope of the present invention.

For example, in another alternative embodiment, the shape of the gas-liquid filter screen 4 may be rectangular, or may be other shapes such as circular, triangular, etc., as long as it has the effect of filtering the oil-gas mixture, without departing from the principle of the present invention, and therefore, it will fall within the protection scope of the present invention.

For example, in another alternative embodiment, the outlet pipe 12 and the inlet pipe 11 may be disposed on opposite sides or on the same side, or may be disposed on the cover 2 or at other positions, without departing from the principle of the present invention, and therefore, all of them will fall within the protection scope of the present invention.

Finally, it should be noted that although the present invention is described in terms of an oil separator, it is apparent that the oil separator of the present invention can also be applied to other apparatuses. For example, air conditioners, engines, and the like may also be applied to oil pipelines and the like.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims

1. The oil-gas separator is characterized by comprising a cylinder body and a cylinder cover, wherein an air inlet pipe and an air outlet pipe are arranged on the cylinder body, a first shielding part is fixedly arranged on one surface, close to the cylinder body, of the cylinder cover, and faces towards the air inlet pipe, so that an oil-gas mixture sprayed out of the air inlet pipe cannot be directly sprayed out of the air outlet pipe.

2. An oil-gas separator as in claim 1, further comprising a gas-liquid filter screen fixed to the cap, wherein the first shielding member is fixed to one side of the gas-liquid filter screen.

3. An oil separator as claimed in claim 2, wherein a porous separation plate is provided on the gas-liquid filter screen.

4. An oil separator as in claim 3, wherein the perforated separation plate is located below the first shielding member.

5. An oil-gas separator as in claim 2, wherein a sealing plate is arranged on the other side of the gas-liquid filter screen relative to the first shielding part, so that the oil-gas mixture cannot directly flow through the gas-liquid filter screen.

6. An oil-gas separator as claimed in claim 2, wherein a second shielding member is provided on the other side of the gas-liquid filtering screen with respect to the first shielding member, the second shielding member is fixedly connected to the gas-liquid filtering screen, and a vent hole is provided in a portion of the second shielding member away from the gas outlet pipe.

7. An oil-gas separator as in claim 2, wherein the gas-liquid filter screen comprises a stainless steel wire mesh, and the stainless steel wire mesh is disposed on both sides of the gas-liquid filter screen.

8. An oil-gas separator as in claim 7, wherein the gas-liquid filter screen comprises a seal, the seal seals the periphery of the gas-liquid filter screen, and a hole is formed in the bottom seal.

9. An oil-gas separator as claimed in claim 2, wherein the gas-liquid filter screen is rectangular, and the length direction of the gas-liquid filter screen is identical to the height direction of the cylinder.

10. Oil and gas separator according to claim 1, wherein a sight glass and/or an oil outlet is provided on the cylinder.