CN220621835U

CN220621835U - Oil-gas separator with two-stage filtration

Info

Publication number: CN220621835U
Application number: CN202322044358.1U
Authority: CN
Inventors: 毛法良; 毛文雨; 何沛
Original assignee: Yixing Unite Machinery Co ltd
Current assignee: Yixing Unite Machinery Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-03-19
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to the technical field of oil-gas separators, in particular to a two-stage filtering oil-gas separator. The technical proposal comprises: be equipped with second grade filter core and one-level filter core in the barrel, the filtration diameter of second grade filter core is less than the filtration diameter of one-level filter core, the mid-mounting of barrel has installation mechanism, installation mechanism includes circular mount pad, the symmetry department of circular mount pad installs the socket, through the socket divide into two upper and lower installation department with circular mount pad, two all be equipped with two arc covers that are the symmetry setting in the installation department, arc cover with install supporting component between the circular mount pad. According to the utility model, the arc-shaped sleeve is fixed by the clamping force of the spring, and the original mode of fixing by the bolts is changed, so that the effects of convenient disassembly and installation are achieved.

Description

Oil-gas separator with two-stage filtration

Technical Field

The utility model relates to the technical field of oil-gas separators, in particular to a two-stage filtering oil-gas separator.

Background

The oil-gas separator is one device for separating crude oil and associated natural gas produced in oil well. The oil-gas separator is arranged between the submersible centrifugal pump and the protector, so that free gas in the well liquid is separated from the well liquid, the liquid is sent to the submersible centrifugal pump, and the gas is released to the annular space of the oil pipe and the sleeve. The dynamic oil-gas separator has serious limitation on the installation space in the box body. The separation capability of the common static oil-gas separator is weaker, and oil gas generated during the operation of the gas engine cannot be separated cleanly, so the utility model discloses an integral oil-gas separator with two-stage filtration, as indicated in a document of publication CN214577385U, the oil-gas separator is divided into an upper stage filtration and a lower stage filtration, and a separation device is arranged in the middle of a cylinder body of the oil-gas separator to divide the cylinder body of the oil-gas into an upper chamber and a lower chamber. Through two-stage filtration, lubricating oil and gas can be effectively separated. However, there still exists a problem in that the oil and gas filtering time is long, and the filter cartridge is inconvenient to replace.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a two-stage filtering oil-gas separator.

The technical scheme of the utility model is as follows: the utility model provides a two-stage filterable oil and gas separator, includes the barrel, the barrel includes oil gas import and air outlet, the barrel still includes returns oil pipe, be equipped with second grade filter core and one-level filter core in the barrel, the filtration diameter of second grade filter core is less than the filtration diameter of one-level filter core, the mid-mounting of barrel has installation department, installation department includes circular mount pad, the socket is installed to the symmetry department of circular mount pad, through the socket divide into two upper and lower installation department with circular mount pad, two all be equipped with two arc covers that are the symmetry setting in the installation department, the arc cover with install supporting component between the circular mount pad, the second grade filter core with the one end of one-level filter core all is located in the installation department and through two arc cover centre gripping is fixed, still be equipped with in the barrel be located the second grade filter core with the fixture block of one-level filter core other end.

Preferably, the support assembly comprises a mounting barrel embedded in the circular mounting seat, a spring is mounted in the An Zhuangtong, the support assembly further comprises a mounting column with one end fixedly connected with the arc-shaped sleeve, one end of the mounting column is fixedly connected with the spring, and one end of the secondary filter element or one end of the primary filter element is located between the two corresponding arc-shaped sleeves.

Preferably, the second stage filter core with the close end of one-level filter core is the filter core drain pan, filter core drain pan fixed mounting has the filter core mount pad, the filter core mount pad is located two between the arc cover, the filter core drain pan is located on the circular mount pad and laminate with it.

Preferably, an arc-shaped mounting groove is formed in the circular mounting seat, and the supporting component is located in the arc-shaped mounting groove.

Preferably, the shell mounting groove has been seted up in the barrel, circular mounting seat installs circular installation otic placode outward, circular installation otic placode is located in the shell mounting groove, the upper and lower both sides of shell mounting groove are all fixed mounting has a plurality of auxiliary springs, and is a plurality of auxiliary spring fixed mounting has same mounting plate, the mounting plate with circular installation otic placode fixed connection, a plurality of the shell mounting groove equidistance arrange be with circular mounting seat the same arciform, just the shape of mounting plate with circular mounting seat is unanimous.

Preferably, the oil return pipe is respectively communicated with the secondary filter core layer and the primary filter core layer of the cylinder, the oil return pipe is provided with a connecting pipe, the connecting pipe is communicated with the cylinder, and the tail end of the oil return pipe is communicated with the oil gas inlet.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the two-stage filtering is divided into the two-stage filtering core and the one-stage filtering core, so that an upper filtering cavity and a lower filtering cavity are formed, lubricating oil and gas can be effectively separated through the two-stage filtering, and through the arrangement of the mounting mechanism and the cooperation of 10 at the bottom of the filter core, the filter core is only required to be mounted on the mounting part of the mounting mechanism, and the arc-shaped sleeve is fixed through the clamping force of the spring, so that the original mode of fixing through bolts is changed, and the effects of convenient disassembly and mounting are achieved.

Drawings

FIG. 1 is a schematic diagram of a two-stage filtration oil-gas separator according to the present utility model;

FIG. 2 is a schematic structural view of an oil-gas separator mounting mechanism with two-stage filtration according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a two-stage filtration oil-gas separator mounting mechanism according to the present utility model;

FIG. 4 is a schematic structure of a two-stage filtration oil-gas separator filter element according to the present utility model;

FIG. 5 is a schematic structural illustration of a two-stage filtration oil-gas separator cartridge support assembly according to the present utility model;

fig. 6 is a schematic structural diagram of the oil-gas separator oil return pipe with two-stage filtration in operation.

Reference numerals: 1. a cylinder; 2. a secondary filter element; 3. a primary filter element; 4. a mounting mechanism; 5. an oil gas inlet; 6. an oil return pipe; 7. an air outlet; 8. a clamping block; 9. a filter element bottom shell; 10. a filter element mounting seat; 41. a circular mounting seat; 42. a circular mounting ear plate; 43. a socket; 44. an arc sleeve; 45. a support assembly; 46. an arc-shaped mounting groove; 48. a housing mounting groove; 49. an auxiliary spring; 50. a mounting piece; 451. an Zhuangtong; 452. a mounting column; 453. a spring; 61. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to the accompanying drawings 1-5, a two-stage filtering oil-gas separator comprises a cylinder 1, wherein the cylinder 1 comprises an oil-gas inlet 5 and an air outlet 7, the cylinder 1 also comprises an oil return pipe 6, a secondary filter element 2 and a primary filter element 3 are arranged in the cylinder 1, the filtering diameter of the secondary filter element 2 is smaller than that of the primary filter element 3, a mounting mechanism 4 is mounted in the middle of the cylinder 1, the mounting mechanism 4 comprises a circular mounting seat 41, a bearing seat 43 is mounted at the symmetrical position of the circular mounting seat 41, the circular mounting seat 41 is divided into an upper mounting part and a lower mounting part through the bearing seat 43, two arc-shaped sleeves 44 which are symmetrically arranged are respectively arranged in the two mounting parts, a supporting component 45 is mounted between the arc-shaped sleeves 44 and the circular mounting seat 41, one ends of the secondary filter element 2 and the primary filter element 3 are respectively positioned in the mounting parts and clamped and fixed through the two arc-shaped sleeves 44, the middle part of the bearing seat 43 is a circulation port, the two-stage filter element 2 and the one-stage filter element 3 are guaranteed to be in a communicating state, a clamping block 8 positioned at the other ends of the two-stage filter element 2 and the one-stage filter element 3 is also arranged in the cylinder body 1, one end of the filter element can be fixed by the mounting mechanism 4, the other end of the filter element can be propped and buckled by the clamping block 8, the supporting component 45 comprises a mounting barrel 451 embedded in the circular mounting seat 41, a spring 453 is arranged in the mounting barrel 451, the supporting component 45 also comprises a mounting column 452 with one end fixedly connected with the arc-shaped sleeve 44, one end of the mounting column 452 is fixedly connected with the spring 453, one end of the two-stage filter element 2 or one-stage filter element 3 is positioned between the two corresponding arc-shaped sleeves 44, therefore, through the arrangement, the filter element is only required to be mounted on the mounting mechanism 4 and fixed by the clamping force of the spring, the original mode of fixing by bolts is changed, thereby playing the effect of convenient disassembly and installation, the close ends of the secondary filter element 2 and the primary filter element 3 are the filter element bottom shell 9, the filter element bottom shell 9 is fixedly provided with the filter element installation seat 10, the filter element installation seat 10 is positioned between the two arc-shaped sleeves 44, the filter element bottom shell 9 is positioned on the round installation seat 41 and is jointed with the round installation seat 41, the filter element installation seat 10 is made of aluminum alloy materials, the filter element installation seat has good corrosion resistance, the sealing gasket is arranged on the round installation seat 41, the filter element bottom shell 9 can be jointed with the sealing gasket, the tightness of the device is ensured, thus no air leakage is caused, the arc-shaped installation groove 46 is arranged in the round installation seat 41, the supporting component 45 is positioned in the arc-shaped installation groove 46, after the installation mechanism 4 is installed, the filter element installation seat 10 can extrude the spring 453 to shrink, at the moment, the arc-shaped sleeves 44 can enter the arc-shaped installation groove 46, the filter element mounting seat 10 can be abutted against the outlet surface of the arc-shaped mounting groove 46 to block the same, so that no gap exists in the mounting part, the sealing effect in use is ensured, the shell mounting groove 48 is arranged in the cylinder 1, the round mounting lug plate 42 is arranged outside the round mounting seat 41, the round mounting lug plate 42 is positioned in the shell mounting groove 48, a plurality of auxiliary springs 49 are fixedly arranged on the upper side and the lower side of the shell mounting groove 48, a plurality of auxiliary springs 49 are fixedly provided with a same mounting sheet 50, the mounting sheet 50 is fixedly connected with the round mounting lug plate 42, the plurality of shell mounting grooves 48 are equidistantly arranged to be in the same arc shape as the round mounting seat 41, the shape of the mounting sheet 50 is consistent with that of the round mounting seat 41, the oil return pipe 6 is respectively communicated with the secondary filter element 2 layer and the primary filter element 3 layer of the cylinder 1, the oil return pipe 6 is provided with a connecting pipe 61 which is communicated with the cylinder 1 through the connecting pipe 61, the tail end of the oil return pipe 6 is communicated with the oil gas inlet 5.

The working principle of the oil-gas separator with two-stage filtration is as follows: the oil gas enters the first-stage filter element 3 through the oil gas inlet 5 to carry out first-stage filtration, and enters the second-stage filter element 2 to carry out second-stage filtration after filtration, when the gas is diffused, suspended small-diameter liquid drops are blocked and coagulated when passing through the filter element, the coagulated lubricating oil drops fall into the round mounting lug plate 42 and the bottom of the cylinder body 1, as shown in fig. 6, the coagulated lubricating oil drops continuously fall into the finally formed lubricating oil fluid and then flow into the connection 61, and recently enter the oil return pipe 6, so that coalesced lubricating oil of the chambers at two sides in the cylinder body 1 is discharged into the oil gas inlet 5 through the oil return pipe 6 and flows back into the oil tank along the pipe wall of the air inlet pipe;

when the secondary filter element 2 and the primary filter element 3 need to be replaced after long-time use, the secondary filter element 2 or the primary filter element 3 is pulled out from the mounting mechanism 4, at the moment, when the secondary filter element 2 or the primary filter element 3 is pulled out, the mounting mechanism 4 is pulled to be pressed down, so that the circular mounting lug plate 42 can squeeze the auxiliary spring 49 in the shell mounting groove 48 to shrink, at the moment, one end of the secondary filter element 2 or the primary filter element 3 limited by the clamping block 8 can be taken down, and then the other end of the secondary filter element or the primary filter element 3 can be taken down from between the left arc-shaped sleeve 44 and the right arc-shaped sleeve 44;

when the secondary filter element 2 or the primary filter element 3 is installed again, the filter element installation seat 10 is placed on the bearing seat 43, the filter element installation seat 10 is placed and then positioned between the two arc-shaped sleeves 44, the installation column 452 extrudes the spring 453 to shrink, the filter element installation seat 10 is clamped and fixed through the spring force of the spring 453, the filter element bottom shell 9 is positioned on the circular installation seat 41, and the other end of the secondary filter element 2 or the primary filter element 3 is clamped in the clamping block 8, so that the installation is completed.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides an oil and gas separator of two-stage filtration, includes barrel (1), barrel (1) are including oil gas import (5) and air outlet (7), barrel (1) still includes oil return pipe (6), its characterized in that: be equipped with second grade filter core (2) and one-level filter core (3) in barrel (1), the filter diameter of second grade filter core (2) is less than the filter diameter of one-level filter core (3), the mid-mounting of barrel (1) has installation department (4), installation department (4) are including circular mount pad (41), the symmetry department of circular mount pad (41) installs socket (43), through socket (43) divide into two upper and lower installation department with circular mount pad (41), two all be equipped with two arc cover (44) that are the symmetry setting in the installation department, arc cover (44) with install supporting component (45) between circular mount pad (41), second grade filter core (2) with one end of one-level filter core (3) all is located in the installation department and fix through two arc cover (44) centre gripping, still be equipped with in barrel (1) be located second grade filter core (2) with the fixture block (8) of one-level filter core (3).

2. The oil-gas separator for two-stage filtration according to claim 1, wherein the supporting component (45) comprises a An Zhuangtong (451) embedded in the circular mounting seat (41), a spring (453) is installed in the mounting barrel (451), the supporting component (45) further comprises a mounting column (452) with one end fixedly connected with the arc-shaped sleeve (44), one end of the mounting column (452) is fixedly connected with the spring (453), and one end of the secondary filter element (2) or the primary filter element (3) is located between the two corresponding arc-shaped sleeves (44).

3. The two-stage filtering oil-gas separator according to claim 2, wherein the two-stage filtering core (2) and the one-stage filtering core (3) are both provided with a core bottom shell (9) at the similar ends, the core bottom shell (9) is fixedly provided with a core mounting seat (10), the core mounting seat (10) is positioned between the two arc-shaped sleeves (44), and the core bottom shell (9) is positioned on the circular mounting seat (41) and is attached to the circular mounting seat.

4. The two-stage filtration oil-gas separator according to claim 2, wherein an arc-shaped mounting groove (46) is formed in the circular mounting seat (41), and the supporting component (45) is located in the arc-shaped mounting groove (46).

5. The oil-gas separator for two-stage filtration according to claim 1, wherein a housing mounting groove (48) is formed in the cylinder body (1), a circular mounting lug plate (42) is mounted outside the circular mounting seat (41), the circular mounting lug plate (42) is positioned in the housing mounting groove (48), a plurality of auxiliary springs (49) are fixedly mounted on the upper side and the lower side of the housing mounting groove (48), a plurality of the auxiliary springs (49) are fixedly mounted with the same mounting plate (50), the mounting plate (50) is fixedly connected with the circular mounting lug plate (42), a plurality of the housing mounting grooves (48) are equidistantly arranged to be in the shape of an arc like the circular mounting seat (41), and the shape of the mounting plate (50) is consistent with that of the circular mounting seat (41).

6. -a two-stage filtered oil and gas separator according to claim 5, characterized in that the return pipe (6) communicates with the two-stage filter core (2) layer and the one-stage filter core (3) layer of the cylinder (1), respectively, the return pipe (6) being provided with a connecting pipe (61) communicating with the cylinder (1) through the connecting pipe (61), the end of the return pipe (6) communicating with the oil and gas inlet (5).