CN220453998U - Oil separator and refrigerating system - Google Patents

Abstract

The utility model discloses an oil separator and a refrigerating system, which comprises a shell, a flange, an air outlet sleeve and a filtering component, wherein the shell extends along the height direction, the flange is detachably arranged at the top end of the shell, a lower end cover is arranged at the bottom of the shell, an oil separation inner cavity is formed between the flange and the lower end cover in the shell, the top end of the air outlet sleeve is connected with the flange, the bottom end of the air outlet sleeve extends towards the direction of the lower end cover, an annular space for guiding airflow to flow along the circumferential direction is defined between the inner wall surface of the shell and the air outlet sleeve, the shell is provided with an air inlet communicated with the annular space, the flange is provided with an air outlet communicated with the inner cavity of the air outlet sleeve, the filtering component is arranged below the air outlet sleeve, the filtering component is connected with the flange through a connecting component, and the flange, the air outlet sleeve and the filtering component form an integrally-assembled component module. Can conveniently dismantle the maintenance to can effectively filter impurity in the oil, reduce cost, save space.

Description

Oil separator and refrigerating system

Technical Field

The utility model is used in the field of refrigerant separation lubricants, and particularly relates to an oil separator and a refrigeration system.

Background

In refrigeration systems employing piston compressors, oil-injected screw compressors, or other rotary compressors employing lubricating oil, an oil separator is typically provided. The oil separator is a separator device that is interposed between the condenser and the discharge end of the compressor. The refrigerant vapor is separated from the mixed lubricating oil, so that excessive lubricating oil can be prevented from entering all equipment in a refrigerating system to influence the heat exchange effect or block channels, and the lubricating oil can be timely sent back to the compressor, thereby avoiding the oil shortage of the compressor.

The oil separator in the prior art has the following defects:

1. at present, oil separators have various structural forms, but all have single functions, namely, the oil separators can only separate refrigerant vapor from mixed lubricating oil.

2. The existing oil separator can not be detached for maintenance when internal components are damaged.

3. In order to filter rust in oil, the conventional oil separator is generally provided with a magnet for adsorption, but the adsorption and filtration are not clean, and other impurities which are not adsorbed by the magnet are not filtered. Or an external filter.

4. Existing oil separators are not capable of cooling the oil. Or an external cooler.

5. When the external filter or cooler is matched with oil, the disadvantage is high cost, complex refrigeration system and occupied space.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides an oil separator and a refrigerating system, which can be conveniently disassembled and maintained, can effectively filter impurities in oil, reduce cost and save space.

The technical scheme adopted for solving the technical problems is as follows:

in a first aspect, an oil separator includes casing, flange, vent out sleeve and filter component, the casing extends along the direction of height, flange detachable install in the top of casing, the bottom of casing is equipped with the lower extreme cover, the casing inside in the flange with form the oil separation inner chamber between the lower extreme cover, vent out telescopic top connect in the flange, vent out telescopic bottom to extend in the direction of lower extreme cover, the internal face of casing with it extends to define the annular space that the guide air current flows along circumference between the sleeve to give out vent to anger, the casing be equipped with the air inlet of annular space intercommunication, the flange be equipped with vent to give out vent to anger telescopic inner chamber intercommunication, filter component set up in the sleeve below gives vent to anger, filter component pass through adapting unit with flange connection, flange, vent to anger sleeve and filter component form the subassembly module of integrative dismouting.

With reference to the first aspect, in certain implementation manners of the first aspect, a flange plate is disposed at a top end of the housing, the flange is detachably connected to the flange plate through fastening bolts, and a sealing gasket is disposed between the flange plate and the flange plate.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, a buffer plate is disposed inside the housing, the buffer plate is covered above the filter assembly, and an oil hole is disposed on the buffer plate.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, a support sleeve is disposed between the buffer plate and the filter assembly, and the buffer plate and the filter assembly are fixedly connected through a fastening bolt passing through the support sleeve.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the connecting component extends along a height direction, one end of the connecting component is fixedly connected to an outer wall surface of the air outlet sleeve, and the other end of the connecting component is fixedly connected to the buffer plate.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the connection component includes a plurality of connection rods, and the plurality of connection rods are distributed on an outer wall surface of the air outlet sleeve along a circumferential direction.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, an oil storage cavity is formed at the bottom of the housing between the filter assembly and the lower end cover, an oil cooling pipe is disposed in the oil storage cavity, and the oil storage cavity is externally connected with an oil return pipe.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the housing is provided with an oil viewing mirror at a position of the oil storage cavity.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the air inlet is introduced into the annular space tangentially to the housing.

In a second aspect, a refrigeration system includes an oil separator according to any implementation of the first aspect.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when the oil separator of the technical scheme of the utility model works, firstly, refrigerant vapor from the discharge end of the compressor enters the oil separation cavity to separate mixed lubricating oil, and then gas is discharged from the exhaust port; and the lubricating oil enters into the oil filter element assembly, and after impurities in the oil are filtered, the lubricating oil is stored in the cavity at the bottom of the oil. The flange, the air outlet sleeve and the filtering component form an integrally-disassembled component module, and the whole component module is lifted out through the flange after the flange is disassembled and maintained. The technical scheme of the utility model has the advantages of the existing oil separator, can be convenient to detach and maintain, can effectively filter impurities in oil, reduces cost and saves space.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of one embodiment of an oil separator of the present utility model;

fig. 2 is a schematic illustration of the embodiment of the assembly module of fig. 1 shown removed from the housing.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

In which fig. 1 shows a reference direction coordinate system of an embodiment of the present utility model, and the embodiment of the present utility model is described below with reference to the directions shown in fig. 1.

The embodiment of the utility model provides an oil separator, which has the advantages of the existing oil separator, can be disassembled and maintained conveniently, can filter impurities in oil, and reduces cost and saves space.

Referring to fig. 1 and 2, the oil separator includes a housing 100, a flange 200, an air outlet sleeve 300, and a filter assembly 400, wherein the housing 100 extends in a height direction, the flange 200 is detachably mounted at a top end of the housing 100, a lower end cover 101 is disposed at a bottom of the housing 100, an oil separation cavity 102 is formed between the flange 200 and the lower end cover 101 in the housing 100, a top end of the air outlet sleeve 300 is connected to the flange 200, a bottom end of the air outlet sleeve 300 extends in a direction of the lower end cover 101, an annular space 103 for guiding air flow to flow in a circumferential direction is defined between an inner wall surface of the housing 100 and the air outlet sleeve 300, an air inlet 104 communicated with the annular space 103 is disposed on the housing 100, an air outlet 201 communicated with the cavity of the air outlet sleeve 300 is disposed on the flange 200, the filter assembly 400 is disposed below the air outlet sleeve 300, the filter assembly 400 is connected with the flange 200 through a connecting member, and the flange 200, the air outlet sleeve 300 and the filter assembly 400 form an integrally-disassembled assembly module.

In the technical scheme of the utility model, after the high-pressure gas discharged by the compressor enters the oil separator, the high-pressure gas is restrained by the outer wall surface of the inner cavity of the shell 100 and the gas outlet sleeve 300, and is converted from linear motion to motion along the circumference of the annular space 103, and moves downwards under the action of gravity while moving around the gas outlet sleeve 300, and most of the rotating gas moves downwards in a spiral manner along the axial direction, so that the gas is separated from oil and gas after passing through the bottom of the gas outlet sleeve 300 downwards, lubricating oil is collected at the bottom of the shell 100, and the gas is discharged upwards through the inside of the gas outlet sleeve 300.

In the operation of the oil separator according to the present utility model, referring to fig. 1 and 2, firstly, refrigerant vapor from the discharge end of the compressor enters the oil separation chamber 102 to separate the mixed lubricating oil, and then the gas is discharged from the gas outlet; and the lubricating oil enters into the oil filter element assembly, and after impurities in the oil are filtered, the lubricating oil is stored in the cavity at the bottom of the oil. Wherein, flange 200, air outlet sleeve 300 and filter assembly 400 form an integrally assembled and disassembled assembly module, and when the assembly module is disassembled and maintained, flange 200 is disassembled, and the whole assembly module is lifted out through flange 200. The technical scheme of the utility model has the advantages of the existing oil separator, can be convenient to detach and maintain, can effectively filter impurities in oil, reduces cost and saves space.

In some embodiments, referring to fig. 1 and 2, a flange plate 105 is provided at the top end of the housing 100, a flange 200 is detachably connected to the flange plate 105 by fastening bolts, and a sealing gasket is provided between the flange 200 and the flange plate 105. The flange 200, the air outlet sleeve 300 and the filter assembly 400 form an integrally-disassembled assembly module, the flange 200 is fastened with the flange plate 105 through fastening bolts, and when the assembly and the maintenance are disassembled, the fastening bolts are disassembled, and the assembly and the maintenance are conveniently disassembled by hanging out lifting lugs on the top of the flange 200.

In some embodiments, referring to fig. 1 and 2, a buffer plate 500 is disposed inside the housing 100, the buffer plate 500 is shielded above the filter assembly 400, and oil holes are formed in the buffer plate 500. In the technical scheme of the utility model, after the high-pressure gas discharged by the compressor enters the oil separator, the high-pressure gas is restrained by the outer wall surface of the inner cavity of the shell 100 and the gas outlet sleeve 300, and is converted from linear motion to motion along the circumference of the annular space 103, and the high-pressure gas moves downwards under the action of gravity while moving around the gas outlet sleeve 300, most of the rotating gas moves downwards in a spiral manner along the axial direction, the gas downwards passes through the bottom of the gas outlet sleeve 300 and then is subjected to oil-gas separation, lubricating oil is recovered through the buffer plate 500, and the buffer plate 500 blocks the upper gas flow, so that the gas flow can be prevented from driving the oil surface to rotate, noise is avoided, and the gas is discharged upwards through the inside of the gas outlet sleeve 300.

Further, referring to fig. 1 and 2, a support sleeve 501 is provided between the buffer plate 500 and the filter assembly 400, and the buffer plate 500 and the filter assembly 400 are fixedly coupled by fastening bolts passing through the support sleeve 501.

The connection member extends in the height direction, one end of the connection member is fixedly connected to the outer wall surface of the air outlet sleeve 300, and the other end of the connection member is fixedly connected to the buffer plate 500. The flange 200, the outlet sleeve 300, the buffer plate 500 and the filter assembly 400 form an integrally assembled and disassembled assembly module. During disassembly and maintenance, the fastening bolts at the flange 200 are disassembled and lifted out through the lifting lugs on the top of the flange 200.

In some embodiments, referring to fig. 1 and 2, the connection component includes a plurality of connection rods 600, and the plurality of connection rods 600 are circumferentially distributed on the outer wall surface of the air outlet sleeve 300, so that the integrity and stability of the whole assembly module are effectively improved.

In some embodiments, referring to fig. 1 and 2, a bottom portion of the housing 100 forms an oil storage cavity 106 between the filter assembly 400 and the lower end cap 101, an oil cooling tube 700 is disposed in the oil storage cavity 106, and the oil storage cavity 106 is externally connected to the oil return tube 107. The lubricating oil is returned to the compressor through the oil return pipe 107 after being cooled by the bundle of oil cooling pipes 700. The cooling medium in the oil cooling pipe 700 may be water or other, preferably from throttled refrigerant liquid. In this embodiment, by providing the oil cooling pipe 700 in the oil storage chamber 106, the separated lubricating oil can be cooled (heated), so that the refrigeration system is further simplified, and the occupied space is saved.

To facilitate viewing the amount of lubrication in reserve chamber 106, referring to FIG. 1, housing 100 is provided with a view mirror 108 at the location of reserve chamber 106.

Wherein the filter assembly 400 is fitted with a sealing O-ring to isolate unfiltered lubrication oil from mixing with filtered lubrication oil.

Referring to fig. 1 and 2, the air inlet 104 is introduced tangentially into the annular space 103 in the housing 100. The high-pressure gas entering the annular space 103 through the gas inlet 104 can be quickly converted from linear motion to running along the circumference of the annular space 103, and the oil-gas separation effect is improved.

Embodiments of the present utility model also provide a refrigeration system including the oil separator of any of the above embodiments.

In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the claims.

Claims (10)

1. The utility model provides an oil separator, its characterized in that, includes casing, flange, the sleeve of giving vent to anger and filter component, the casing extends along the direction of height, flange detachable install in the top of casing, the bottom of casing is equipped with the lower extreme cover, the casing inside in the flange with form the oil separation inner chamber between the lower extreme cover, the telescopic top of giving vent to anger is connected in the flange, the telescopic bottom of giving vent to anger to extend in the direction of lower extreme cover, the internal face of casing with define the annular space that the guide air current flows along circumference between the sleeve of giving vent to anger, the casing be equipped with the air inlet of annular space intercommunication, the flange be equipped with the gas vent of the inner chamber intercommunication of sleeve of giving vent to anger, filter component set up in the sleeve below gives vent to anger, filter component pass through adapting unit with flange connection, flange, sleeve of giving vent to anger and filter component form the assembly module of an organic whole dismouting.

2. The oil separator according to claim 1, wherein a flange is provided at a top end of the housing, the flange is detachably connected to the flange by fastening bolts, and a sealing gasket is provided between the flange and the flange.

3. The oil separator according to claim 1, wherein a buffer plate is arranged inside the housing, the buffer plate is shielded above the filter assembly, and oil passing holes are formed in the buffer plate.

4. An oil separator as claimed in claim 3, wherein a support sleeve is provided between the buffer plate and the filter assembly, the buffer plate and the filter assembly being fixedly connected by a fastening bolt passing through the support sleeve.

5. The oil separator according to claim 4, wherein the connecting member extends in a height direction, one end of the connecting member is fixedly connected to an outer wall surface of the outlet sleeve, and the other end of the connecting member is fixedly connected to the buffer plate.

6. The oil separator of claim 5, wherein the connecting member comprises a plurality of connecting rods circumferentially distributed on an outer wall surface of the outlet sleeve.

7. The oil separator according to claim 1, wherein the bottom of the housing forms an oil storage chamber between the filter assembly and the lower end cap, an oil cooling tube is disposed in the oil storage chamber, and the oil storage chamber is externally connected with an oil return tube.

8. The oil separator of claim 7 wherein said housing is provided with an oil sight glass at the location of said oil reservoir.

9. An oil separator as set forth in claim 1 wherein said air inlet is tangentially directed into said annular space at said housing.

10. A refrigeration system comprising an oil separator as claimed in any one of claims 1 to 9.