CN217541159U - Oil separator - Google Patents

Abstract

The utility model provides an oil separator, include: the device comprises a shell, a separation assembly and a connecting pipe set. The shell is internally provided with an installation clapboard and a bearing clapboard, the installation clapboard is positioned above the bearing clapboard, and the bearing clapboard is provided with an oil guide hole. The separating component comprises a filter plate and a filter mantle, the filter mantle is in a round table shape with a big end upwards, the top end of the filter mantle is detachably arranged on the bottom surface of the filter plate, and the inside of the filter mantle is provided with a separating filler. The connecting tube set includes: the feeding pipe is used for guiding materials into the shell, the air outlet pipe and the oil outlet pipe are arranged on the side wall of the shell, the feeding end of the air outlet pipe is located above the installation partition plate, and the feeding end of the oil outlet pipe is located below the bearing partition plate. An oil separator, good oil-gas separation effect has to can intercept solid impurity.

Description

Oil separator

Technical Field

The utility model belongs to the refrigeration plant field especially relates to an oil separator.

Background

During operation of the refrigeration system, the lubricant oil inside the compressor may leave the compressor as the refrigerant circulates. As the number of refrigerant cycles increases, the amount of lubricant oil lost increases, which results in oil starvation of the compressor. After the compressor lacks oil, refrigerating system's work efficiency will reduce, still can lead to the compressor to break down when serious to make refrigerating system can't carry out normal work.

To solve the above problems, those skilled in the art will provide an oil separator on the discharge pipe of the compressor. After the refrigerant with the lubricating oil enters the oil separator, the lubricating oil can be accumulated in the oil separator and flows back to the compressor through the oil return pipe, so that the phenomenon of oil shortage of the compressor is avoided.

However, the oil-gas separation effect of the existing oil separator is limited, and after the refrigeration system operates for a period of time, the content of the lubricating oil in the compressor is lower than that in the initial state, so that the refrigeration system cannot obtain the optimal working effect. In addition, in the circulating flow process of the refrigerant, solid impurities may be generated inside the refrigeration system, the traditional oil separator has low interception capacity for the solid impurities, and the impurities may block subsequent components such as a condenser and an evaporator in the circulating flow process along with the refrigerant, thereby affecting the normal operation of the refrigeration system.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to an oil separator to solve the above technical problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

an oil separator comprising: the separation device comprises a shell, a separation assembly and a connecting pipe group, wherein a mounting partition plate and a receiving partition plate are arranged in the shell, the mounting partition plate is positioned above the receiving partition plate, a mounting hole is formed in the mounting partition plate, and an oil guide hole is formed in the receiving partition plate; the separation assembly is detachably arranged in the mounting hole and comprises a filter plate and a filter cover, the filter cover is in a round table shape with the large end upwards, the top end of the filter cover is detachably arranged on the bottom surface of the filter plate, and separation filler is arranged in the filter cover; the filter plate is provided with a first accommodating hole, the bottom surface of the filter cover is provided with a second accommodating hole, and the second accommodating hole is aligned with the first accommodating hole; the connection pipe group includes: the top end of the feed pipe is positioned outside the shell, and the bottom end of the feed pipe sequentially penetrates through the first accommodating hole and the second accommodating hole; the outlet duct and the oil outlet pipe are both arranged on the side wall of the shell, the feeding end of the outlet duct is positioned above the installation partition plate, and the feeding end of the oil outlet pipe is positioned below the bearing partition plate.

Furthermore, the separation assembly comprises a mounting ring, the mounting ring is positioned above the mounting partition plate, and the filter plate is arranged inside the mounting ring; the mounting ring is provided with a connecting hole, a connecting bolt is arranged in the connecting hole, the mounting partition plate is provided with a threaded hole, and the bottom end of the connecting bolt is inserted into the threaded hole.

Furthermore, be equipped with the nipple on the top surface of filter mantle, the nipple inserts inside the collar, and is equipped with the internal thread that matches with nipple on the inside wall of collar.

Furthermore, be equipped with the seal ring groove on the inside wall of first accommodation hole, be equipped with the sealing washer in the inside of seal ring groove, the inside wall of sealing washer is laminated with the outside wall of inlet pipe mutually.

Furthermore, the feeding pipe comprises a flow guide section and a flow distribution section, the flow distribution section is in a circular truncated cone shape with an upward small end, the top end of the flow distribution section is connected with the bottom end of the flow guide section, and the flow distribution section is positioned below the filter cover; the outer diameter of the diversion section is smaller than that of the top end face of the shunting section, and the outer diameter of the top end face of the shunting section is equal to that of the bottom end face of the filter cover.

Furthermore, a sealing sleeve is arranged in the second accommodating hole, and the inner side wall of the sealing sleeve is attached to the outer side wall of the flow guide section; the bottom surface of the sealing sleeve is also provided with an annular sealing gasket which is positioned between the flow dividing section and the filter cover.

Furthermore, the oil guide holes are arranged on the periphery of the axis of the feed pipe in an annular manner; an oil collecting ring groove is further formed in the top face of the bearing partition plate, and the top end of the oil guide hole is communicated with the oil collecting ring groove.

Furthermore, the bottom of the shell is provided with a drain pipe, the feed end of the drain pipe is lower than the feed end of the oil outlet pipe, and the drain pipe is provided with a control valve.

Furthermore, the aperture of the filter hole on the filter plate is smaller than that of the filter hole on the filter cover.

Further, the separation filler is a ceramic cup, metal chips or a metal wire mesh.

Compared with the prior art, an oil separator has following advantage:

(1) An oil separator, its separable set includes filter, filter mantle and separation filler, when the gaseous state refrigerant that mixes with lubricating oil passes separable set, filter mantle, separation filler and filter will contact with the material in proper order. At the moment, the filter cover and the filter plate can reduce the flow velocity of the refrigerant, and the separation filler can adsorb oil mist in the refrigerant, so that the device can obtain a good oil-gas separation effect. In addition, when the gaseous refrigerant mixed with lubricating oil passes through the separation component, the filter cover and the filter plate can also filter and intercept solid impurities, so that the solid impurities are left in the shell, and other components in the refrigeration system are prevented from being blocked.

(2) An oil separator, at the inside sealing washer that is equipped with of first accommodation hole, at the inside sealing sleeve that is equipped with of second accommodation hole, after the gaseous state refrigerant that has mixed lubricating oil got into the casing, sealing washer and sealing sleeve can promote the gas tightness in separable set and inlet pipe concatenation gap to the gaseous state refrigerant that has avoided mixing lubricating oil flows along the concatenation gap.

(3) An oil separator, its filter mantle is the ascending round platform of main aspects, the reposition of redundant personnel section is the ascending round platform of tip form, separable set makes lubricating oil and refrigerant separation back, the lateral wall of filter mantle and reposition of redundant personnel section will carry out the water conservancy diversion to lubricating oil to ensure the smooth downflow of lubricating oil. In addition, this device is equipped with a plurality of oil ducts that collect oil ring groove and cyclic annular arrangement on the top surface of accepting the baffle, can promote this device to the collection ability of lubricating oil through collecting oil ring groove and oil duct to be convenient for the oil outlet pipe with inside the leading-in compressor of lubricating oil.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a schematic structural view of an oil separator according to an embodiment of the present invention;

fig. 2 is a sectional view of an oil separator according to an embodiment of the present invention;

fig. 3 is a cutaway inside view of an oil separator according to an embodiment of the present invention (with the separation assembly hidden);

fig. 4 is a schematic structural view of the installation partition and the receiving partition according to the embodiment of the present invention;

fig. 5 is an exploded view of a separator assembly according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a separator assembly according to an embodiment of the present invention.

Description of the reference numerals:

1-a shell; 2, installing a partition plate; 21-mounting holes; 22-a threaded hole; 3-receiving the partition board; 31-oil guide holes; 32-oil collecting ring groove; 4-a filter plate; 41-a first receiving hole; 411-a sealing ring groove; 412-a sealing ring; 5-a filter cover; 51-a second receiving hole; 511-sealing the sleeve; 512-annular sealing gasket; 52-nipple; 6-separating the packing; 711-a flow guide section; 712-a flow splitting section; 72-an air outlet pipe; 73-an oil outlet pipe; 74-a sewage draining pipe; 741-a control valve; 8-mounting a ring; 81-connecting hole; 811-connecting bolts.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

An oil separator for separating oil from gas of refrigerant discharged from a compressor, wherein fig. 1-6 are schematic diagrams of the oil separator in the embodiment, and as shown in the drawings, the oil separator comprises: a housing 1, a separation assembly and a connection pipe set. Wherein separator assembly sets up inside casing 1 for realize the separation of gaseous state refrigerant and lubricating oil, the connecting pipe group is used for realizing being connected of casing 1 and other devices, makes things convenient for material such as refrigerant and lubricating oil to carry.

Fig. 2 is a sectional view of the oil separator, and as shown in the figure, a mounting partition plate 2 and a receiving partition plate 3 are provided inside a housing 1, wherein the mounting partition plate 2 is located above the receiving partition plate 3, a mounting hole 21 is provided on the mounting partition plate 2, and an oil guide hole 31 is provided on the receiving partition plate 3. The separation component is detachably arranged in the mounting hole 21, when the gas refrigerant mixed with lubricating oil enters the shell 1 and passes through the separation component, the lubricating oil and the refrigerant can be separated, wherein the lubricating oil is stored below the bearing partition plate 3, and the refrigerant is discharged out of the device.

The separating assembly comprises a filter plate 4 and a filter cover 5, as shown in fig. 5, the filter cover 5 is in a circular truncated cone shape with a large end upwards, and the top end of the filter cover 5 is detachably arranged on the bottom surface of the filter plate 4. The separation filler 6 is arranged in the filter housing 5, and workers can select the existing oil-gas separation filler such as a ceramic cup, metal cuttings or a metal wire mesh and the like as the separation filler 6 in the embodiment according to actual conditions, so that the purpose of oil-gas separation is achieved.

Alternatively, to achieve a detachable connection of the separating assembly to the mounting plate 2, as shown in fig. 5 and 6, the separating assembly described in this embodiment may comprise a mounting ring 8, and the filter plate 4 should be arranged inside the mounting ring 8. When mounting, the mounting ring 8 is placed above the mounting partition 2, the mounting ring 8 is provided with a coupling hole 81, and a coupling bolt 811 is provided inside the coupling hole 81. Correspondingly, a threaded hole 22 is formed in the mounting partition 2, and a worker can insert the bottom end of the connecting bolt 811 into the threaded hole 22, so that the mounting ring 8 and the mounting partition 2 are assembled.

In addition, in order to realize the detachable connection between the filter housing 5 and the filter plate 4, a nipple 52 should be provided on the top surface of the filter housing 5, and an internal thread matching with the nipple 52 is provided on the inner side wall of the mounting ring 8. During installation, the worker can firstly load the separation filler 6 into the filter housing 5 and then insert the nipple 52 into the mounting ring 8, so that the filter housing 5 is installed below the filter plate 4.

For making things convenient for this device of material business turn over, it includes to connect the nest of tubes: a feed pipe, an outlet pipe 72 and an outlet pipe 73. The feeding pipe is used for guiding the refrigerant mixed with lubricating oil into the device, a first accommodating hole 41 is formed in the filter plate 4, a second accommodating hole 51 is formed in the bottom surface of the filter cover 5, and the second accommodating hole 51 is aligned with the first accommodating hole 41. When the compressor is installed, a worker can enable the top end of the feeding pipe to be located outside the shell 1 and connected with a discharge pipe of the compressor, and the bottom end of the feeding pipe sequentially penetrates through the first accommodating hole 41 and the second accommodating hole 51, so that a refrigerant mixed with lubricating oil conveniently enters the shell 1, and penetrates through the separation assembly from bottom to top. In addition, the outlet pipe 72 and the oil outlet pipe 73 are both arranged on the side wall of the shell 1, the feeding end of the outlet pipe 72 is positioned above the mounting partition plate 2 and used for discharging the separated refrigerator out of the device, and the feeding end of the oil outlet pipe 73 is positioned below the bearing partition plate 3 and used for guiding the separated lubricating oil into the interior of the compressor.

In operation, material introduced into the housing 1 by the feed pipe will pass through the separator assembly from below upwards. At this moment, filter mantle 5, separation filler 6 and filter 4 will contact with the material in proper order, can block the flow of material through filter mantle 5 and filter 4 to can reduce the velocity of flow of refrigerant, provide sufficient time for oil-gas separation work. The oil mist in the refrigerant can be adsorbed by the separation packing 6, and the lubricating oil is separated from the gaseous refrigerant. After the separation of the lubricant from the refrigerant is completed, the lubricant will agglomerate into fine droplets inside the separation assembly and drop down the separation assembly, and finally enter below the receiving partition plate 3 and be guided into the interior of the compressor along the oil outlet pipe 73, while the gaseous refrigerant will enter above the mounting partition plate 2 and leave the casing 1 through the air outlet pipe 72.

In addition, when the gaseous refrigerant mixed with the lubricating oil passes through the separation assembly, the filter housing 5 and the filter plate 4 can also filter and intercept solid impurities, so that the solid impurities are retained inside the shell 1, and the blockage of other assemblies in the refrigeration system is avoided. In order to improve the filtering and intercepting effect of the separation assembly on solid impurities, the aperture of the filtering holes on the filtering plate 4 should be smaller than that of the filtering holes on the filtering cover 5 in the embodiment. When the filter screen is in operation, the material is firstly contacted with the filter screen 5, and the solid impurities with larger particle sizes are intercepted by the filter screen 5, so that the material is primarily filtered. When the material accomplished prefiltering and contacted with filter 4, filter 4 will carry out the secondary filter to the material to intercept the less solid impurity of particle size, thereby improve separating element's filtration interception effect.

As an alternative to this embodiment, the staff member may also be provided with a drain 74 at the bottom of the housing 1 in order to facilitate the solid impurities inside the housing 1 to leave the device. Specifically, the feeding end of the drainage pipe 74 should be lower than the feeding end of the oil outlet pipe 73, and a control valve 741 is disposed on the drainage pipe 74. After the separation assembly finishes filtering and intercepting of the solid impurities, the solid impurities can move downwards under the action of gravity and enter the lower part of the bearing partition plate 3. Because the density of the solid impurities is greater than that of the lubricating oil, the solid impurities can be deposited at the bottom of the lubricating oil, and a worker can open the control valve 741 periodically to discharge the solid impurities, so that excessive solid impurities are prevented from being accumulated in the device.

Fig. 4 is a schematic structural diagram of the installation of the partition board 2 and the receiving partition board 3 in this embodiment, as shown in the figure, in order to improve the lubricating oil collecting capacity of the receiving partition board 3 and facilitate the lubricating oil to enter below the receiving partition board 3, the oil guiding holes 31 may be provided in plurality, and the plurality of oil guiding holes 31 are annularly arranged on the periphery side of the axis of the feeding pipe. In addition, an oil collecting ring groove 32 may be further provided on the top surface of the receiving partition plate 3, and the top end of the oil guide hole 31 communicates with the oil collecting ring groove 32. When the lubricating oil drops to the top surface of the bearing partition plate 3, the oil collecting ring groove 32 can collect the lubricating oil and uniformly distribute the lubricating oil to the inside of each oil guide hole 31, so that the lubricating oil quickly flows to the lower part of the bearing partition plate 3.

In the actual working process, the bottom end of the feeding pipe is positioned below the separating assembly, and the filter cover 5 is in a large-section upward circular truncated cone shape, so that separated lubrication can drip downwards along the side wall of the feeding pipe. To improve the dispersion degree of the lubricant oil drop, the feeding pipe in this embodiment may include a flow guiding section 711 and a flow dividing section 712. As shown in fig. 3, the flow dividing section 712 is in a circular truncated cone shape with an upward small end, the top end of the flow dividing section 712 is connected with the bottom end of the flow guiding section 711, and the flow dividing section 712 is located below the filter housing 5. The outer diameter of the flow guiding section 711 should be smaller than the outer diameter of the top end surface of the flow dividing section 712, and the outer diameter of the top end surface of the flow dividing section 712 should be equal to the outer diameter of the bottom end surface of the filter housing 5.

When installing the feed pipe, a worker should open a passage hole in the top of the housing 1 in advance, and then pass the top end of the feed pipe through the separation assembly from bottom to top, so that the top end of the feed pipe extends to the outside of the housing 1 along the passage hole, and weld the feed pipe and the housing 1. Thus, the top end face of the flow dividing section 712 is attached to the bottom end face of the filter housing 5, and the flow dividing section 712 is in a truncated cone shape with an upward small end, so that the side wall of the flow dividing section 712 can guide the flow of the lubricating oil, and the lubricating oil is uniformly distributed on the top surface of the bearing partition plate 3.

Optionally, in order to prevent the material introduced into the housing 1 from flowing along the joint gap between the separating assembly and the feeding pipe, the separating assembly of the present embodiment is further provided with a sealing ring 412 and a sealing sleeve 511, wherein the sealing ring 412 is used for improving the sealing effect between the filter plate 4 and the feeding pipe, and the sealing sleeve is used for improving the sealing effect between the filter housing 5 and the feeding pipe.

Specifically, should be equipped with seal ring groove 411 on the inside wall of first accommodation hole 41, sealing washer 412 sets up inside seal ring groove 411, and after the inlet pipe inserted the separator, the inside wall of sealing washer 412 and the outside wall of inlet pipe are laminated to avoid the inside material of separator to flow upwards along the concatenation gap between filter 4 and the inlet pipe. The sealing sleeve 511 is disposed inside the second receiving hole 51, and an annular sealing gasket 512 is further disposed on the bottom surface of the sealing sleeve 511, when the feeding pipe is inserted into the separating assembly, the inner sidewall of the sealing sleeve 511 is attached to the outer sidewall of the flow guiding section 711, and the annular sealing gasket 512 is disposed between the flow guiding section 712 and the filter housing 5, so as to prevent the material below the separating assembly from entering the separating assembly along the splicing gap between the filter housing 5 and the feeding pipe.

The following explains the effects of the above-described scheme:

the embodiment provides an oil separator which can reduce the flow speed of refrigerant and separate oil mist in the refrigerant through a separation assembly, so that a good oil-gas separation effect is obtained. In addition, this device can also filter the interception through filter mantle and filter, avoids other subassemblies in the refrigerating system to take place to block up. In addition, the device has good sealing performance between the feeding pipe and the separating assembly, and the bearing partition plate has good lubricating oil collecting capacity.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An oil separator characterized by comprising: the separation device comprises a shell (1), a separation assembly and a connecting pipe group, wherein a mounting partition plate (2) and a receiving partition plate (3) are arranged in the shell (1), the mounting partition plate (2) is positioned above the receiving partition plate (3), a mounting hole (21) is formed in the mounting partition plate (2), and an oil guide hole (31) is formed in the receiving partition plate (3); the separation assembly is detachably arranged in the mounting hole (21), the separation assembly comprises a filter plate (4) and a filter cover (5), the filter cover (5) is in a round table shape with an upward big end, the top end of the filter cover (5) is detachably arranged on the bottom surface of the filter plate (4), and separation filler (6) is arranged in the filter cover (5); the filter plate (4) is provided with a first accommodating hole (41), the bottom surface of the filter cover (5) is provided with a second accommodating hole (51), and the second accommodating hole (51) is aligned with the first accommodating hole (41); the connection pipe group includes: the top end of the feed pipe is positioned outside the shell (1), and the bottom end of the feed pipe sequentially penetrates through the first accommodating hole (41) and the second accommodating hole (51); the gas outlet pipe (72) and the oil outlet pipe (73) are both arranged on the side wall of the shell (1), the feeding end of the gas outlet pipe (72) is positioned above the installation partition plate (2), and the feeding end of the oil outlet pipe (73) is positioned below the bearing partition plate (3).

2. An oil separator as set forth in claim 1 wherein: the separation assembly comprises a mounting ring (8), the mounting ring (8) is positioned above the mounting partition plate (2), and the filter plate (4) is arranged inside the mounting ring (8); the mounting ring (8) is provided with a connecting hole (81), a connecting bolt (811) is arranged in the connecting hole (81), the mounting partition plate (2) is provided with a threaded hole (22), and the bottom end of the connecting bolt (811) is inserted into the threaded hole (22).

3. An oil separator as set forth in claim 2 wherein: the top surface of the filter cover (5) is provided with a threaded connection pipe (52), the threaded connection pipe (52) is inserted into the mounting ring (8), and the inner side wall of the mounting ring (8) is provided with an internal thread matched with the threaded connection pipe (52).

4. An oil separator as set forth in claim 1 wherein: be equipped with on the inside wall of first accommodation hole (41) sealed annular (411), be equipped with sealing washer (412) in sealed annular (411) inside, the inside wall of sealing washer (412) is laminated with the outside wall of inlet pipe.

5. An oil separator as set forth in claim 1 wherein: the feeding pipe comprises a flow guide section (711) and a flow distribution section (712), the flow distribution section (712) is in a circular truncated cone shape with an upward small end, the top end of the flow distribution section (712) is connected with the bottom end of the flow guide section (711), and the flow distribution section (712) is positioned below the filter cover (5); the outer diameter of the flow guide section (711) is smaller than the outer diameter of the top end face of the flow distribution section (712), and the outer diameter of the top end face of the flow distribution section (712) is equal to the outer diameter of the bottom end face of the filter cover (5).

6. An oil separator as set forth in claim 5 wherein: a sealing sleeve (511) is arranged in the second accommodating hole (51), and the inner side wall of the sealing sleeve (511) is attached to the outer side wall of the flow guide section (711); an annular sealing gasket (512) is also arranged on the bottom surface of the sealing sleeve (511), and the annular sealing gasket (512) is positioned between the flow dividing section (712) and the filter cover (5).

7. An oil separator as set forth in claim 1 wherein: the oil guide holes (31) are multiple, and the oil guide holes (31) are annularly arranged on the peripheral side of the axis of the feed pipe; an oil collecting ring groove (32) is further formed in the top face of the bearing partition plate (3), and the top end of the oil guide hole (31) is communicated with the oil collecting ring groove (32).

8. An oil separator as set forth in claim 1 wherein: the bottom of the shell (1) is provided with a sewage discharge pipe (74), the feed end of the sewage discharge pipe (74) is lower than the feed end of the oil outlet pipe (73), and the sewage discharge pipe (74) is provided with a control valve (741).

9. An oil separator as set forth in claim 1 wherein: the aperture of the filter holes on the filter plate (4) is smaller than that of the filter holes on the filter cover (5).

10. An oil separator as set forth in claim 1 wherein: the separation filler (6) is a ceramic cup, metal cuttings or a metal wire mesh.

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