CN214552296U

CN214552296U - Oil gas breathing device

Info

Publication number: CN214552296U
Application number: CN202022840214.3U
Authority: CN
Inventors: 王志坤; 宋运通; 南晓钟; 张兵; 宋明瑾; 曹林
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-02
Anticipated expiration: 2030-11-30

Abstract

The utility model provides an oil gas respiratory device. Oil gas respiratory device includes: the bearing box comprises a first barrel body, a second barrel body and a bearing box air outlet, wherein the first barrel body is provided with an accommodating cavity, the top and the bottom of the first barrel body are respectively provided with a first opening and a second opening which are communicated with the accommodating cavity, and the first barrel body is connected with the bearing box air outlet through the second opening; the second cylinder body is arranged in the accommodating cavity to divide the accommodating cavity into two parts, the circumferential side wall of the second cylinder body is provided with at least one communicating hole communicated with the accommodating cavity, one end, facing the second opening, of the second cylinder body is provided with an opening structure, and one end, facing the first opening, of the second cylinder body is provided with a cover body; the foam breaking net is arranged inside the accommodating cavity along the radial direction of the first cylinder body and is close to the first opening relative to the second cylinder body; the condensate component is covered on the first opening. The utility model provides an among the prior art poor problem of vapor breath device performance.

Description

Oil gas breathing device

Technical Field

The utility model relates to a lubricating-oil tank equipment field particularly, relates to an oil gas respiratory device.

Background

The large-scale compressor, centrifugal pump, gear box and other equipment lubricated by lubricating oil have the problems that the temperature of the lubricating oil changes due to heat generated by the operation of machinery, oil mist is generated, and the pressure of a lubricating oil tank changes. Therefore, a breather valve is generally disposed on the lubrication oil tank to ensure pressure balance of the bearing box.

And current oil gas breathing device includes cylindric shell, the bottom of shell be used for with the crankcase on pressure relief device fixed connection, the top of shell is provided with the valve gap, the side on the top of shell is provided with a plurality of respiratory holes, the inside of shell, and the below that is located a plurality of respiratory holes is provided with the filter screen. Like this, with shell and pressure relief device fixed connection back, the inner chamber that pressure relief device got into the shell can be followed to gas in the crankcase, and then after filtering the lubricating oil steam that carries in to gas through the filter screen, arrange outward along a plurality of breathing holes, reduced the pressure in the crankcase.

Because the space below the filter screen in the shell is communicated with the crankcase, the temperature of the space below the filter screen is also higher, so that the lubricating oil steam carried in the gas is in a gaseous state, the discharged oil gas is condensed on the shell to form oil drops, and the environmental pollution is caused.

Therefore, the problem of poor service performance of the oil-gas breathing device exists in the prior art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an oil-gas respirator to solve the problem of poor performance of oil-gas respirators in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an oil gas breathing apparatus, comprising: the bearing box comprises a first barrel body, a second barrel body and a bearing box air outlet, wherein the first barrel body is provided with an accommodating cavity, the top and the bottom of the first barrel body are respectively provided with a first opening and a second opening which are communicated with the accommodating cavity, and the first barrel body is connected with the bearing box air outlet through the second opening; the second cylinder body is arranged in the accommodating cavity to divide the accommodating cavity into two parts, the circumferential side wall of the second cylinder body is provided with at least one communicating hole communicated with the accommodating cavity, one end, facing the second opening, of the second cylinder body is provided with an opening structure, and one end, facing the first opening, of the second cylinder body is provided with a cover body; the foam breaking net is arranged inside the accommodating cavity along the radial direction of the first cylinder body and is close to the first opening relative to the second cylinder body; the condensate component is covered on the first opening.

Further, first barrel is including the big footpath section and the path section that communicate each other, and the one end of path section is kept away from at big footpath section to first opening setting, and the one end of big footpath section is kept away from at path section to the second opening setting, and the inside wall of the junction of big footpath section and path section has the step face, and the second barrel is close to second open-ended one end and step face butt.

Further, the edge of the cover body protrudes out of the circumferential side wall of the second cylinder body.

Further, the external diameter of second barrel is greater than the internal diameter of footpath section, has installation clearance between the circumference inside wall of lid and major diameter section.

Further, the edge of broken foam net is connected with the inside wall of major diameter section, and the one end and the lid laminating that broken foam net is close to the second barrel.

Further, the foam breaking net comprises a plurality of layers of wire nets which are stacked along the axial direction of the first cylinder.

Further, the condensate assembly includes: the connecting cylinder is connected with the edge of the first opening; the condensing plate is connected with the connecting cylinder and is a conical plate, and the tip of the conical plate extends into the connecting cylinder from one end, far away from the first cylinder, of the connecting cylinder.

Furthermore, one end of the connecting cylinder, which is far away from the condensate plate, extends into the first cylinder body from the first opening and is arranged at intervals with the foam breaking net.

Further, the condensate assembly further comprises at least one supporting leg, the condensate plate is connected with the connecting cylinder through the supporting leg, one end of the supporting leg is connected with the inner side wall of the connecting cylinder, and the other end of the supporting leg is connected with the outer side wall of the condensate plate.

Further, the diameter of one end of the condensation plate, which is far away from the connecting cylinder, is larger than the outer diameter of the connecting cylinder.

Use the technical scheme of the utility model, oil gas respiratory device in this application includes first barrel, second barrel, broken foam net and lime set subassembly. The first cylinder is provided with an accommodating cavity, the top and the bottom of the first cylinder are respectively provided with a first opening and a second opening which are communicated with the accommodating cavity, and the first cylinder is connected with the air outlet of the bearing box through the second opening; the second cylinder body is arranged in the accommodating cavity to divide the accommodating cavity into two parts, the circumferential side wall of the second cylinder body is provided with at least one communicating hole communicated with the accommodating cavity, one end, facing the second opening, of the second cylinder body is provided with an opening structure, and one end, facing the first opening, of the second cylinder body is provided with a cover body; the foam breaking net is arranged inside the accommodating cavity along the radial direction of the first cylinder body, and the foam breaking net is close to the first opening relative to the second cylinder body; the condensate assembly cover is arranged on the first opening.

When the oil-gas breathing device with the structure is used, the first cylinder is arranged, so that the oil-gas breathing device can be connected with the bearing box exhaust port through the second opening of the first cylinder, and the oil-gas can enter the first cylinder through the bearing box exhaust port. And, because the second barrel sets up the inside at first barrel, so after oil gas gets into first barrel, can directly enter into the inside of second barrel, so oil gas need pass through the second barrel earlier when outwards discharging by the first opening of first barrel. Therefore, when the oil gas is discharged out of the second cylinder body through the communication hole of the second cylinder body, the second cylinder body can separate large oil drops in the oil gas. And after the oil gas is discharged out of the second cylinder, the oil gas needs to pass through the foam breaking net, and oil drops in the oil mist can be further gathered when the oil gas passes through the foam breaking net, so that the oil content of the oil gas discharged from the first opening is further reduced. And finally, when the oil gas passes through the liquid condensing assembly, partial oil mist can be ensured to be further slowly condensed on the liquid condensing assembly and flow back to the inside of the first shell under the action of gravity. Therefore, the oil-gas breathing device effectively prevents the wall climbing effect of oil mist, thereby avoiding the pollution caused by the condensation of oil gas outside the oil-gas breathing device. Therefore, the poor problem of oil gas respiratory device performance among the prior art has been solved effectively to oil gas respiratory device in this application.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of an oil-gas breathing device according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a first cylinder; 11. a first opening; 12. a second opening; 20. a second cylinder; 21. a cover body; 30. a foam breaking net; 40. a condensate assembly; 41. a connecting cylinder; 42. a condensate plate; 43. and (7) supporting legs.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the poor problem of oil gas respiratory device performance among the prior art, this application provides an oil gas respiratory device.

As shown in fig. 1, the hydrocarbon breathing apparatus of the present application includes a first cylinder 10, a second cylinder 20, a foam breaking net 30, and a condensate assembly 40. The first cylinder 10 is provided with a containing cavity, the top and the bottom of the first cylinder 10 are respectively provided with a first opening 11 and a second opening 12 which are communicated with the containing cavity, and the first cylinder 10 is connected with an exhaust port of the bearing box through the second opening 12; the second cylinder 20 is arranged inside the accommodating chamber to divide the accommodating chamber into two parts, the circumferential side wall of the second cylinder 20 is provided with at least one communicating hole communicated with the accommodating chamber, one end of the second cylinder 20 facing the second opening 12 is provided with an opening structure, and one end of the second cylinder 20 facing the first opening 11 is provided with a cover body 21; the foam breaking net 30 is arranged inside the accommodating cavity along the radial direction of the first cylinder 10, and the foam breaking net 30 is close to the first opening 11 relative to the second cylinder 20; the condensate assembly 40 is covered on the first opening 11.

When the oil-gas breathing device with the structure is used, the first cylinder 10 is arranged, so that the oil-gas breathing device can be connected with the bearing box exhaust port through the second opening 12 of the first cylinder 10, and the oil-gas can enter the first cylinder 10 through the bearing box exhaust port. In addition, since the second cylinder 20 is disposed inside the first cylinder 10, the oil gas can directly enter the second cylinder 20 after entering the first cylinder 10, and therefore, the oil gas needs to pass through the second cylinder 20 when being discharged from the first opening 11 of the first cylinder 10. Therefore, when the oil gas is discharged out of the second cylinder 20 through the communication holes of the second cylinder 20, the second cylinder 20 can separate large oil droplets from the oil gas. After the oil gas is discharged out of the second cylinder 20, the oil gas needs to pass through the foam breaking net 30, and oil drops in the oil mist can be further gathered when the oil gas passes through the foam breaking net 30, so that the oil content of the oil gas when the oil gas is discharged out of the first opening 11 is further reduced. Finally, when the oil gas passes through the condensation assembly 40, it is ensured that a part of the oil mist is further slowly condensed on the condensation assembly 40 and flows back into the interior of the first housing under the action of gravity. Therefore, the oil-gas breathing device effectively prevents the wall climbing effect of oil mist, thereby avoiding the pollution caused by the condensation of oil gas outside the oil-gas breathing device. Therefore, the poor problem of oil gas respiratory device performance among the prior art has been solved effectively to oil gas respiratory device in this application.

Specifically, first barrel 10 includes the big footpath section and the path section that communicate each other, and first opening 11 sets up the one end of keeping away from the path section in big footpath section, and second opening 12 sets up the one end of keeping away from big footpath section in the path section, and the inside wall of the junction of big footpath section and path section has the step face, and second barrel 20 is close to the one end and the step face butt of second opening 12. Can make oil gas respiratory device can be connected with the bearing box gas vent more easily through setting up the path section, and then can guarantee through setting up the big footpath section that oil gas gets into when the big footpath section by the path section, can reduce the velocity of flow effectively to can oil gas can reduce oil content in the inside of first barrel 10 more effectively.

Specifically, the edge of the cover 21 protrudes from the circumferential side wall of the second cylinder 20. Through setting up like this, can guarantee effectively that oil gas can be when second barrel 20, oil gas can turn back under the effect of lid 21 to guarantee that second barrel 20 can further separate the big oil droplet in the oil gas.

Specifically, the outer diameter of the second cylinder 20 is larger than the inner diameter of the small-diameter section, and a mounting gap is provided between the cover 21 and the circumferential inner side wall of the large-diameter section. Through setting up like this, can guarantee effectively that the oil gas of path section can all enter into the inside of second barrel 20, and can not leak by other positions to can guarantee the filter effect of second barrel 20 to oil gas.

In one embodiment of the present application, the edge of the foam breaking net 30 is connected to the inner sidewall of the large diameter section, and one end of the foam breaking net 30 close to the second cylinder 20 is attached to the cover 21. By such an arrangement, it can be effectively ensured that the oil gas can pass through the first opening 11 only after passing through the foam breaking net 30 after being discharged from the second cylinder 20. Thereby further guaranteeing the filtering effect of the oil-gas breathing device on oil gas.

Preferably, the defoaming net 30 includes a plurality of layers of wire nets stacked in the axial direction of the first cylinder 10.

In one particular embodiment of the present application, the condensate assembly 40 includes a connector barrel 41 and a condensate plate 42. The connecting cylinder 41 is connected with the edge of the first opening 11; the condensate plate 42 is connected with the connecting cylinder 41, the condensate plate 42 is a conical plate, and the tip of the conical plate extends into the connecting cylinder 41 from one end of the connecting cylinder 41 far away from the first cylinder 10. The end of the connecting cylinder 41 remote from the condensate plate 42 extends from the first opening 11 into the interior of the first cylinder 10 and is spaced from the foam breaking screen 30. The condensate assembly 40 further comprises at least one leg 43, the condensate plate 42 is connected with the connecting cylinder 41 through the leg 43, one end of the leg 43 is connected with the inner side wall of the connecting cylinder 41, and the other end of the leg 43 is connected with the outer side wall of the condensate plate 42. And the diameter of the end of the condensate plate 42 remote from the connector barrel 41 is greater than the outer diameter of the connector barrel 41.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem that the oil-gas breathing device in the prior art is poor in service performance is effectively solved;

2. the structure is simple, and the performance is stable;

3. the installation is convenient, and the commonality is strong.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oil and gas breathing device, comprising:

the bearing box air outlet structure comprises a first barrel (10), wherein the first barrel (10) is provided with a containing cavity, the top and the bottom of the first barrel (10) are respectively provided with a first opening (11) and a second opening (12) which are communicated with the containing cavity, and the first barrel (10) is connected with a bearing box air outlet through the second opening (12);

a second cylinder (20), the second cylinder (20) being disposed inside the accommodating chamber to divide the accommodating chamber into two parts, a circumferential side wall of the second cylinder (20) having at least one communication hole communicating with the accommodating chamber, and an end of the second cylinder (20) facing the second opening (12) having an opening structure, an end of the second cylinder (20) facing the first opening (11) having a cover (21);

a foam breaking net (30), wherein the foam breaking net (30) is arranged inside the accommodating cavity along the radial direction of the first cylinder (10), and the foam breaking net (30) is close to the first opening (11) relative to the second cylinder (20);

the liquid condensing assembly (40), and the liquid condensing assembly (40) is covered on the first opening (11).

2. The hydrocarbon breathing device according to claim 1, wherein the first cylinder (10) comprises a large diameter section and a small diameter section which are communicated with each other, the first opening (11) is arranged at one end of the large diameter section far away from the small diameter section, the second opening (12) is arranged at one end of the small diameter section far away from the large diameter section, the inner side wall of the joint of the large diameter section and the small diameter section is provided with a step surface, and one end of the second cylinder (20) close to the second opening (12) is abutted against the step surface.

3. The hydrocarbon breathing device according to claim 2, wherein the edge of the cover (21) protrudes from the circumferential side wall of the second cylinder (20).

4. The hydrocarbon breathing device according to claim 3, wherein the second cylinder (20) has an outer diameter larger than the inner diameter of the small diameter section, and a mounting clearance is provided between the cover (21) and the circumferential inner side wall of the large diameter section.

5. The hydrocarbon breathing device according to claim 2, wherein the edge of the foam breaking net (30) is connected with the inner side wall of the large diameter section, and one end of the foam breaking net (30) close to the second cylinder (20) is attached to the cover body (21).

6. The hydrocarbon breathing device according to any of the claims 1 to 5, wherein the foam breaking screen (30) comprises a plurality of layers of screens stacked in axial direction of the first cylinder (10).

7. The hydrocarbon breathing device as claimed in any one of claims 1 to 5, wherein the condensate assembly (40) comprises:

a connecting barrel (41), the connecting barrel (41) being connected with an edge of the first opening (11);

a condensate plate (42), condensate plate (42) with connecting cylinder (41) are connected, condensate plate (42) are the toper board, just the pointed end of toper board by connecting cylinder (41) are kept away from the one end of first barrel (10) stretches into connecting cylinder (41).

8. The hydrocarbon breathing device according to claim 7, wherein an end of the connecting cylinder (41) remote from the condensate plate (42) extends from the first opening (11) into the interior of the first cylinder (10) and is spaced from the foam breaking screen (30).

9. The hydrocarbon breathing device according to claim 7, wherein the condensation assembly (40) further comprises at least one leg (43), the condensation plate (42) being connected to the connector barrel (41) by means of the leg (43), one end of the leg (43) being connected to an inner side wall of the connector barrel (41) and the other end of the leg (43) being connected to an outer side wall of the condensation plate (42).

10. The hydrocarbon breathing device according to claim 7, wherein the end of the condensate plate (42) remote from the connector barrel (41) has a diameter greater than the outer diameter of the connector barrel (41).