CN219911148U - Compressor circulation oil pipeline assembly - Google Patents

Abstract

The utility model provides a compressor circulating oil pipeline assembly, and belongs to the technical field of compressors. Including the separator casing, the horizontal one end intercommunication of separator casing has the intake pipe that is used for the intercommunication compressor gas outlet, the other end intercommunication that the separator casing measured has the outlet duct, be provided with the guide plate along separator axial spiral in the separator casing, be provided with the oil catch bowl on the diapire of separator casing, the oil catch bowl is divided into the multistage by the guide plate, all be provided with the oil outlet on the diapire of every section oil catch bowl, be connected with the time oil return pipe with a plurality of oil outlet intercommunication on the outer wall of separator casing, oil return pipe passes through oil cooler and oil pump back connection compressor. The gas is utilized to horizontally and spirally advance in the separator shell, oil is thrown on the inner wall of the chamber, oil drops naturally slide down along the cambered surfaces at the two sides along the inner wall of the cylindrical chamber, and the oil-gas separation effect of the oil separator is improved.

Description

Compressor circulation oil pipeline assembly

Technical Field

The utility model relates to the technical field of compressors, in particular to a circulating oil pipeline assembly of a compressor.

Background

A compressor is a driven fluid machine that lifts low pressure gas to high pressure gas. The compressor can normally run only by the lubricating oil in the running process, the high-pressure gas exhausted by the compressor is easy to mix with the lubricating oil, and the lubricating oil enters the condenser along with the refrigerant and then forms an oil film on the heat exchange surface to influence the heat exchange effect.

A circulating oil line assembly, such as an oil separator, is therefore often provided between the compressor and the condenser to separate the lubricating oil from the compressor discharge gas and return it to the compressor for reuse. The existing oil separator is usually a centrifugal separator, compressed gas flows in a gas channel which is divided into vortex in the oil separator, oil drops are thrown onto the inner wall of the oil separator by utilizing the centrifugal force, and then the oil drops fall into the bottom of the separator freely by the gravity to be discharged and recycled.

However, the oil separator of this type is usually installed vertically, and when the oil drops on the inner wall of the separator drop down, the oil drops easily drop down from the edges of the guide vanes of each layer, and the dropped oil drops are easily broken again by the air flowing at high speed and are rolled out from the air outlet, so that the oil separating effect of the oil separator is affected.

Disclosure of Invention

In view of the above, the present utility model provides a compressor cycle oil piping assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compressor circulation oil pipeline subassembly, including the separator casing, the horizontal one end intercommunication of separator casing has the intake pipe that is used for the intercommunication compressor gas outlet, the other end intercommunication that the separator casing measured has the outlet duct, along separator axial spiral being provided with the guide plate in the separator casing, be provided with the oil collecting tank on the diapire of separator casing, the oil collecting tank is divided into the multistage by the guide plate, all be provided with the oil outlet on the diapire of every section oil collecting tank, be connected with the time oil return pipe with a plurality of oil outlet intercommunication on the outer wall of separator casing, the oil return pipe passes through the oil cooler and connects the compressor behind the oil pump.

Further, the front side wall of the oil sump is higher than the rear side wall of the oil sump in the direction of gas flow in the separator housing.

Further, the bottom wall of the oil collecting groove is inclined to the oil outlet, and an oil return pipe outside the separator shell is inclined to one side along the length direction of the separator shell.

Further, an oil filtering component for filtering oil is arranged at one end of the air outlet pipe in the separator shell, the oil filtering component comprises a mounting barrel and a filtering layer, the mounting barrel is close to an opening at one end of the air outlet pipe and is communicated with the air outlet pipe, a plurality of air holes are uniformly formed in the side wall of the mounting barrel, and the filtering layer is coaxially arranged on the inner side of the mounting barrel and covers the air holes in the mounting barrel.

Further, the filter layer is glass fiber mesh cloth.

Further, the mounting cylinder is far away from the one end opening setting of outlet duct to threaded connection has and is used for switching mounting cylinder to keep away from outlet duct one end open-ended end cover, and coaxial fixed being provided with is used for supporting the support cylinder in the filter layer inboard in the mounting cylinder, and the lateral wall fretwork setting of support cylinder, filter layer can follow the opening business turn over mounting cylinder that mounting cylinder kept away from outlet duct one end.

The beneficial effects of the utility model are as follows: the gas is utilized to horizontally and spirally advance in the separator shell, oil is thrown on the inner wall of the chamber, oil drops naturally slide down along the cambered surfaces at the two sides along the inner wall of the cylindrical chamber, the condition that the oil drops are crushed by air again is reduced, and the oil-gas separation effect of the oil separator is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an oil separator according to an embodiment of the present utility model.

Fig. 2 is a schematic front sectional view of an oil separator according to an embodiment of the present utility model.

Fig. 3 is a schematic side sectional view of an oil separator according to an embodiment of the present utility model.

Fig. 4 is a schematic cross-sectional view of an oil filter assembly according to an embodiment of the utility model.

Wherein, 1, a separator shell; 11. an air inlet pipe; 12. an air outlet pipe; 13. an oil sump; 14. an oil outlet hole; 2. a deflector; 3. an oil return pipe; 4. an oil filtering component; 41. a mounting cylinder; 411. air holes; 42. a filter layer; 43. an end cap; 44. and a supporting cylinder.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a compressor circulation oil pipeline assembly, which comprises a separator shell 1, wherein a transverse and approximately cylindrical cavity is arranged in the separator shell 1, two ends of the transverse cavity of the separator shell 1 are respectively connected with an air inlet pipe 11 and an air outlet pipe 12, and the other end of the air inlet pipe 11 is communicated with an air outlet of a compressor. The separator shell 1 is internally provided with a guide plate 2 which spirals spirally along the length direction of the cavity, the length of blades of the guide plate 2 along the radial direction of the blades in the separator shell 1 is larger than the radius of the cavity, the bottom in the separator shell 1 is axially provided with an oil collecting groove 13 along the separator shell 1, the oil collecting groove 13 is divided into a plurality of sections by the guide plate 2, and the bottom wall of each section of the oil collecting groove 13 is provided with an oil outlet 14. The oil return pipe 3 is arranged outside the separator shell 1, the oil return pipe 3 consists of a main pipe and a plurality of branch pipes, each branch pipe is correspondingly connected with each oil outlet 14 on the separator shell 1, and the main pipe of the oil return pipe 3 is connected into the compressor after passing through the oil cooler and the oil pump.

The gas entering the separator housing 1 is led by the guide plate 2 to spirally advance in the cavity in the separator housing 1, oil drops in the gas are thrown on the inner wall of the cavity by centrifugal force, the oil drops are in the inner wall of the cylinder, the oil drops are attached to the inner wall of the separator housing 1 from two sides to the oil collecting groove 13 under the action of gravity, and then enter the oil return pipe 3 from the oil outlet hole 14 in the oil collecting groove 13 to be pumped back to the compressor by the oil pump after being cooled by the oil cooler. By arranging the oil outlet holes 14 in the multi-stage oil collecting grooves 13 separated by the baffle plates 2, the oil recovered in each stage in the separator housing 1 can quickly flow back through the oil return pipe 3, and the oil dripping condition in the separator housing 1 is reduced, so that the separation effect of the oil separator is improved.

Referring to fig. 3, further, in the separator housing 1, along the direction of the gas swirl flow, the front side wall of the gas flowing in above the opening of the oil sump 13 is higher than the rear side wall of the gas flowing out above the opening of the oil sump 13, so that the gas flowing at high speed can smoothly transit to the other side of the oil sump 13 when passing above the oil sump 13, and the resistance applied in the gas flowing process is reduced, so that the noise generated in the working process of the oil separator is reduced.

Further, the bottom wall of the oil sump 13 is designed as a bucket inclined toward the oil outlet hole 14, and the main pipe portion of the oil return pipe 3 is inclined toward the compressor side in the flow direction of the internal oil. Thereby the oil in the separator shell 1 can concentrate and quicken the flow, and the oil-liquid separation efficiency in the oil separator is improved.

Referring to fig. 4, in the embodiment of the present utility model, one end of the separator housing 1 near the air outlet pipe 12 is designed as a spherical surface, and a portion of the separator housing 1 near the air outlet pipe 12 is provided with an oil filtering assembly 4 for filtering oil, wherein the oil filtering assembly 4 includes a mounting cylinder 41 and a filtering layer 42. The mounting cylinder 41 is mounted in the separator housing 1 in a clamping manner, one end of the mounting cylinder 41 is opened and communicated with the air outlet pipe 12, a plurality of air holes 411 are uniformly formed in the side wall of the mounting cylinder 41 in a penetrating manner, the filter layer 42 is coaxially arranged in the mounting cylinder 41, the filter layer 42 is mounted on the inner wall of the mounting cylinder 41 in a fitting manner, and the filter layer 42 covers the air holes 411 in the mounting cylinder 41.

After the gas in the oil separator is separated from oil and gas by the guide plate 2, the gas enters from the air hole 411 outside the installation layer, is filtered again by the filter layer 42 and is discharged from the air outlet pipe 12, and the spherical shell at the end part of the installation cylinder 41 is utilized to ensure that the oil separator has larger explosion-proof pressure resistance, when oil drops filtered out from the filter layer 42 accumulate and drop, the oil drops slide from the end surface inside the separator shell 1 into the oil outlet hole 14 below, so that the oil and gas separation effect of the oil separator is improved.

Specifically, the filter layer 42 can be specifically made of glass fiber mesh cloth, has a dense and porous structure, can effectively intercept oil drops in gas, plays a guiding role on accumulated oil, enables the oil to fall from the lower end of the filter layer 42 under the action of gravity, and reduces the possibility that the oil is rolled away by air.

In order to clean or replace the filter layer 42 during maintenance of the oil separator, in the embodiment of the utility model, an end cover 43 for opening and closing the opening is arranged at one end of the installation cylinder 41 far away from the air outlet pipe 12 in a threaded connection manner, a support cylinder 44 is coaxially and integrally fixed in the installation cylinder 41, the side wall of the support cylinder 44 is in a hollowed shape, in particular a plurality of sections of strip-shaped holes penetrating the support cylinder 44, one end, far away from the air outlet pipe 12, between the support cylinder 44 and the installation cylinder 41 is in a penetrating design, and the filter layer 42 is movably inserted between the support cylinder 44 and the installation cylinder 41 from the end.

The implementation principle of the compressor circulation oil pipeline component provided by the embodiment of the utility model is as follows: the oil-gas mixture enters the separator housing 1 from the air inlet pipe 11, and after being guided by the guide plate 2, the air flow in the separator housing 1 rotates and advances in a spiral state, oil is thrown to the inner wall of the chamber by utilizing centrifugal force, and falls down to the oil return pipe 3 at the bottom of the separator housing 1 through the inner wall of the chamber in a cylindrical state, so that the oil in each section of oil collecting groove 13 separated by the guide plate 2 in the separator housing 1 can be quickly returned and recycled, and the oil-gas separation effect of the oil separator is improved.

It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. A compressor cycle oil line assembly, characterized by: including separator casing (1), the horizontal one end intercommunication of separator casing (1) has intake pipe (11) that are used for the intercommunication compressor gas outlet, the other end intercommunication that separator casing (1) measured has outlet duct (12), be provided with guide plate (2) along separator axial spiral in separator casing (1), be provided with oil collecting tank (13) on the diapire of separator casing (1), oil collecting tank (13) are separated into the multistage by guide plate (2), every section all be provided with oil outlet (14) on the diapire of oil collecting tank (13), be connected with oil return pipe (3) simultaneously with a plurality of oil outlet (14) intercommunication on the outer wall of separator casing (1), oil return pipe (3) connect the compressor behind oil cooler and the oil pump.

2. A compressor cycle oil line assembly according to claim 1, wherein the front side wall of the sump (13) is higher than the rear side wall of the sump (13) in the direction of gas flow in the separator housing (1).

3. A compressor cycle oil line assembly according to claim 2, wherein the bottom wall of the oil sump (13) is inclined to the oil outlet (14), and the oil return pipe (3) outside the separator housing (1) is inclined to one side along the length direction of the separator housing (1).

4. The compressor circulation oil pipeline assembly according to claim 1, wherein an oil filtering assembly (4) for filtering oil is arranged at one end of an air outlet pipe (12) in the separator shell (1), the oil filtering assembly (4) comprises a mounting cylinder (41) and a filtering layer (42), the mounting cylinder (41) is close to an opening at one end of the air outlet pipe (12) and is communicated with the air outlet pipe (12), a plurality of air holes (411) are uniformly formed in the side wall of the mounting cylinder (41), and the filtering layer (42) is coaxially arranged on the inner side of the mounting cylinder (41) and covers the air holes (411) in the mounting cylinder (41).

5. A compressor cycle oil line assembly according to claim 4, wherein the filter layer (42) is a fiberglass mesh.

6. The compressor cycle oil pipeline assembly according to claim 4 or 5, wherein the mounting cylinder (41) is arranged at an opening at one end far away from the air outlet pipe (12), an end cover (43) for opening and closing the opening at one end far away from the air outlet pipe (12) is connected in a threaded manner, a supporting cylinder (44) for supporting the inner side of the filter layer (42) is fixedly arranged in the mounting cylinder (41) in a coaxial manner, the side wall of the supporting cylinder (44) is hollowed out, and the filter layer (42) can enter and exit the mounting cylinder (41) from the opening at one end far away from the air outlet pipe (12) of the mounting cylinder (41).