CN218347576U - Oil-gas separation assembly and air compressor - Google Patents

Abstract

The embodiment of the disclosure provides an oil-gas separation subassembly and air compressor machine, the oil-gas separation subassembly is including the container that is the tube-shape set up first air inlet on the container set up the bush in the container the top of bush sets up the oil content core set up annular oil return passage on the terminal surface of bush set up first inclined plane on the oil return passage. According to the embodiment of the disclosure, the configuration of the oil return pipe is cancelled by arranging the bushing and the annular oil return channel, so that the later maintenance is facilitated, and the running performance of the compressor is ensured; and the multistage oil-gas pre-separation is also arranged to reduce oil in the mixture, improve the quality of compressed air, reduce the overall height and reduce the cost of the container.

Description

Oil-gas separation assembly and air compressor

Technical Field

The utility model relates to a gas separation technical field of air compressor machine, in particular to oil-gas separation subassembly and air compressor machine.

Background

An oil return pipe is required to be inserted into an oil core in the existing oil-gas separator to realize oil return, and if the oil return pipe is too deep or too shallow, the oil-gas separation performance is influenced; in addition, the existing oil-gas separator needs a higher container design to meet the pre-separation effect, and the pre-separation efficiency is insufficient, so that the oil content of the compressed air is very high. In addition, the structure of changing the oil core in the existing design is complex, and the time consumption is long.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present disclosure is to provide an oil-gas separation subassembly and air compressor machine to solve the problem that exists among the prior art.

An aspect of the disclosed embodiment provides an oil-gas separation subassembly, and it is including the container that is the tube-shape set up first air inlet on the container set up the bush in the container set up the top of bush and set up the oil content core set up annular oil return channel on the terminal surface of bush set up first inclined plane on the oil return channel.

In some embodiments, the liner includes an annular sidewall inside which the oil wick can be snapped, the oil return passage being disposed around an outside of the annular sidewall.

In some embodiments, the oil core is a cylindrical structure comprising a shell on which an upper end disc is provided.

In some embodiments, the oil core further comprises a guide rod, a first connection hole is provided on the upper end disc, a connection rod is provided on the annular sidewall of the bushing, and the guide rod passes through the first connection hole from top to bottom and is connected with the connection rod.

In some embodiments, a second connecting hole is formed in the connecting rod, and the bottom of the guide rod is connected with the second connecting hole.

In some embodiments, a flange portion is provided at a bottom of the oil wick, and a second slope surface matching the first slope surface is provided on an outer end surface of the flange portion.

In some embodiments, a seal is disposed between the oil wick and the bushing.

In some embodiments, an oil discharge port is arranged at the bottom of the container, and a secondary oil return pipe is arranged on the side surface of the container and is connected with the oil return channel on the bushing.

In some embodiments, the secondary oil return pipe is connected to the oil drain port through a pipeline.

In some embodiments, the first air inlet is disposed at a lower portion of the container, an outer partition barrel is connected to a lower portion of the liner, at least one second air inlet is disposed at an upper sidewall of the outer partition barrel, and an inner partition barrel is disposed inside the outer partition barrel and connected to an inner sidewall of the liner.

In some embodiments, two tangential second air inlets are oppositely disposed on the upper sidewall of the outer tub.

In some embodiments, the outer partition barrel and the inner partition barrel are both of cylindrical structures which are not sealed up and down.

In some embodiments, a baffle is arranged below the inner separation barrel, and the baffle is connected with the inner side wall of the outer separation barrel.

In some embodiments, the baffle is a conical structure with its top facing downward.

In some embodiments, at least one aperture is provided in the baffle to enable oil droplets to fall to the bottom of the container.

In some embodiments, a plurality of slots are provided in the baffle plate to ensure the pressure of the injected oil.

On the other hand of the embodiment of this disclosure provides an air compressor machine, its including air compressor machine host computer and in any one above-mentioned technical scheme oil-gas separation subassembly.

According to the embodiment of the disclosure, the bushing is arranged in the container, and the annular oil return channel is arranged on the end surface of the bushing to cancel the configuration of the oil return pipe, so that the later maintenance is facilitated, and the running performance of the compressor is ensured; and the multistage oil-gas pre-separation is also arranged to reduce oil in the mixture, improve the quality of compressed air, reduce the overall height and reduce the cost of the container.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and for those skilled in the art, other drawings may be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an oil-gas separation assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of an oil-gas separation assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a structure of an isolation barrel in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 4 is a schematic structural view of a baffle in an oil and gas separation assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of a configuration of an oil separation core in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 6 is a schematic structural diagram of an oil separation core in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 7 is a schematic structural diagram of an oil separation core in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 8 is a schematic illustration of a configuration of an oil separation core in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 9 is a schematic view of a liner in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 10 is a schematic view of a liner in an oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 11 is a schematic view of a liner in an oil and gas separation assembly according to an embodiment of the present disclosure;

FIG. 12 is a schematic view of an installation of the oil core and the liner in the oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 13 is a schematic view of an installation of the oil core and the liner in the oil and gas separation assembly according to an embodiment of the disclosure;

FIG. 14 is a schematic view of an installation of a core and a liner in an oil and gas separation assembly according to an embodiment of the disclosure.

Reference numerals:

1-a container; 11-a first air inlet; 12-air outlet; 13-oil drain port; 2-a lining; 21-an annular sidewall; 22-an oil return channel; 23-a first bevel; 24-a second connection hole; 25-a connecting rod; 3-a seal; 4-oil core; 41-a housing; 42-upper end disk; 43-a filter material; 44-a first connection hole; 45-flange portion; 46-a second bevel; 47-a guide bar; 5-secondary oil return pipe; 6-inner partition barrel; 7-an external separation barrel; 71-a second air inlet; 8-a baffle plate; 81-hole; 82-slotted hole.

Detailed Description

Various aspects and features of the disclosure are described herein with reference to the drawings.

It should be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.

These and other characteristics of the present disclosure will become apparent from the following description of preferred forms of embodiment, given as a non-limiting example, with reference to the attached drawings.

It should also be understood that, although the present disclosure has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the disclosure, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present disclosure are described hereinafter with reference to the drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the disclosure in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.

The description may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.

The first embodiment of the present disclosure relates to an oil-gas separation assembly, as shown in fig. 1 and fig. 2, the oil-gas separation assembly includes a cylindrical container 1, a first gas inlet 11 is arranged on the container 1, and is used for inputting an oil-gas mixture output from an air compressor; a liner 2 is arranged in the container 1 at a position such as the middle or the middle upper part, the liner 2 preferably adopts a ring structure, and the position of the liner 2 in the container 1 can be determined according to requirements; an oil core 4 is arranged above the lining 2, and the oil core 4 is used for filtering and separating the oil-gas mixture.

Further, as shown in fig. 10 and 11, the liner 2 has a ring structure, an annular oil return passage 22 is provided on an end surface of the liner 2, the oil return passage 22 is used for collecting and discharging the oil separated by the oil core 4, the first inclined surface 23 is formed on the oil return passage 22 near the end surface of the oil core 4, the first inclined surface 23 is formed along the oil return passage 22 and has, for example, an uppermost position and a lowermost position, and the separated oil can flow from the uppermost position to the lowermost position, so as to achieve an oil discharge effect. Here, the oil return passage 22 having the first inclined surface 23 is provided in the liner 2, so that an oil return pipe does not need to be provided in the container 1, which is convenient for maintenance.

Further, as shown in fig. 9, the liner 2 includes an annular side wall 21, the annular side wall 21 may be formed by an inner side wall convex end surface of the liner 2, a hollow structure is provided in the middle of the annular side wall 21, the hollow structure is used for mounting the oil core 4 on the liner 2 and facilitating the flow of the gas flow, and the oil core 4 can be engaged between the annular side walls 21; the oil return passage 22 is arranged around the outer side of the annular side wall 21, and oil subjected to oil-gas separation by the oil core 4 is accumulated along the oil return passage 22 and finally discharged out of the container 1.

Further, as shown in fig. 5 and 6, the oil core 4 is a cylindrical structure, the oil core 4 includes a housing 41, an upper end disc 42 is disposed on the housing 41, a filter material 43 is disposed in the housing 41, and the filter material 43 is used for filtering and separating the oil-gas mixture, and may be any filter material. The oil core 2 is simple in design, small in material consumption, convenient to replace and low in recycling scrap cost.

Further, as shown in fig. 12 to 14, in order to facilitate installation between the oil core 4 and the liner 2, the oil core 4 further includes a guide rod 47, a first connection hole 44 for later fixing is provided on the upper end disc 42, a connection rod 25 is provided on the annular sidewall 21 of the liner 2, the connection rod 25 is located in a hollow portion of the annular sidewall 21, and the guide rod 47 passes through the first connection hole 44 from top to bottom and is connected to the connection rod 25.

Further, a second connecting hole 24 is formed in the connecting rod 25, a screw thread is formed in the bottom of the guide rod 47, and the bottom of the guide rod 47 enters the second connecting hole 24 and is in threaded connection with the connecting hole 24, so that after the oil core 4 is mounted in place, the bottom of the guide rod 47 and the connecting rod 25 are fixed by, for example, a nut. Of course, a nut may be provided on top of the guide rod 47 to facilitate a fixed connection between the guide rod 47 and the upper end disk 42.

Further, in order to facilitate the oil filtered out from the oil core 4 to flow to the oil return passage 22 and enable the connection between the oil core 4 and the bushing 2, as shown in fig. 7 and 8, a flange portion 45 is provided at the bottom of the housing 41 of the oil core 4, and a second inclined surface 46 is provided on an outer end surface of the flange portion, where the second inclined surface 46 is provided in cooperation with the first inclined surface 23, for example, an inclined angle may be maintained to be the same.

Further, since the oil core 4 is arranged on the liner 2, for this purpose a seal 3 is arranged between the oil core 4 and the liner 2 for sealing, where the seal 3 has the function of preventing unfiltered air from entering through the liner to the clean side above the oil core 4.

Preferably, the position of the seal 3 provided based on the structure of the oil core 4 and the liner 2 is also different. As shown in fig. 12 to 14, in the oil core 4 having a cylindrical structure, a seal 3 is provided between the wall surface of the casing 41 and the inside of the annular side wall 21 to seal the oil core; as shown in fig. 7 to 9, the oil core 4 having the flange 45 may be sealed by providing a seal 3 between the second slope 46 and the first slope 23.

Further, in order to realize the separation of oil-gas mixture by the oil-gas separation assembly, an air outlet 12 is arranged at the top of the container 1, and an oil drain 13 is arranged at the bottom of the container 1, wherein the air outlet 12 is used for discharging clean air subjected to oil-gas separation, and the oil drain 13 is used for discharging clean oil subjected to oil-gas separation.

Referring to fig. 1 and 2, a secondary oil return pipe 5 is disposed on a side surface of the container 1, and the secondary oil return pipe 5 is connected to an oil return passage 22 of the bushing 2, and specifically, is communicated with a lowest position on the first inclined surface 23 of the oil return passage 22, so that oil separated by the oil core 4 and merged into the oil return passage 22 is discharged through the secondary oil return pipe 5.

Preferably, the secondary oil return pipe 5 is connected with the oil discharge port 13 at the bottom of the container 1 through a pipeline, so that the oil discharged from the bottom of the container 1 and the oil discharged from the secondary oil return pipe 5 can return to the host side through the same pipeline, and redundant pipeline arrangement is omitted.

Further, as shown in fig. 1 and 2, the first gas inlet 11 is provided at the lower portion of the vessel 1, the tub 7 is provided at the lower portion of the liner 2, where the sectional size of the tub 7 is larger than that of the inner sidewall of the liner 2, and at least one second gas inlet 71 for inputting the mixture of oil and gas primarily separated by rotation at the outer side of the tub 7 is provided at, for example, the upper sidewall of the tub 7; an inner partition tub 6 is provided inside the outer partition tub 7, and the inner partition tub 6 is connected to the inner sidewall of the liner 2, so that the inner partition tub 6 may have, for example, the same sectional size as that of the inner sidewall of the liner 2, so that the inner partition tub 6 can be, for example, snap-fitted into the inner sidewall of the liner 2. The outer separating barrel 7 and the inner separating barrel 6 are designed to be double separating barrels, so that the cyclone separation time of the oil-gas mixture can be prolonged compared with the design of a single separating barrel, the barrel body of the oil-gas separator does not need to be heightened, and the oil-gas pre-separation performance is improved.

Preferably, the outer partition barrel 7 and the inner partition barrel 6 are both of cylindrical structures which are not sealed up and down, and can separate the oil-gas mixture in a cyclone separation mode.

Preferably, as shown in fig. 3, two tangential second air inlets 71 may be oppositely disposed on the upper sidewall so as to realize tangential air inlet from multiple directions.

With continued reference to fig. 1 and 2, a baffle 8 is disposed below the inner partition barrel 6, and the baffle 8 is preferably disposed at a lower position in the outer partition barrel 7, for example, may be connected to the inner sidewall of the outer partition barrel 7 to prevent the oil content from rising due to the splashing of the oil at the bottom by the air after oil-gas separation.

Further, the baffle 8 is a conical structure, the middle part of the baffle is at a lower position, the top of the baffle is arranged downwards, according to the barrel conical cyclone separation principle, part of gas after oil-gas separation through the outer separating barrel 7 and the inner separating barrel 6 moves downwards to contact with the conical baffle 8, at the moment, third-stage pre-separation is triggered, and the gas after three times of cyclone pre-separation flows upwards and enters the oil core 4 for further oil-gas separation.

Referring to fig. 4, at least one hole 81 is provided on the baffle 8 to ensure that oil drops after oil-gas separation fall to the bottom of the container 1 through the hole, so as to facilitate collection of separated oil drops.

In addition, a plurality of runway-type slots 82 may be formed in the baffle plate 8 to ensure the pressure of the oil injection, and specifically, the slots 82 can prevent the pressure at both ends of the lower part of the baffle plate 8 from being too low (vacuum) so that the oil at the bottom of the container 1 cannot be discharged for oil return in order to allow air to flow up and down through the baffle plate 8. The slots 82 may be arranged at intervals along the diameter direction of the baffle plate 8, for example, 3 slots 82 may be arranged at intervals of 120 °.

Thus, the outer separating barrel 7, the inner separating barrel 6 and the baffle 8 form three-stage pre-separation, and oil-gas separation is further carried out by adding an oil component core, so that not only can multi-stage oil-gas pre-separation be realized to reduce oil in an oil-gas mixture as much as possible, thereby improving the quality of compressed air, but also the height of the container 1 can be reduced to the greatest extent, and the manufacturing cost is reduced.

In the oil-gas separator adopting the above embodiment of the present disclosure, the working process is as follows:

for example, an oil-gas mixture output by a compressor enters the container 1 from a first air inlet 11 at the lower part of the container 1 of the oil-gas separation assembly, and first, a first-stage cyclone pre-separation is carried out around the outer barrel 7 at the lower part, so that oil in the oil-gas mixture is separated, and the oil-gas mixture moves from bottom to top from the outside of the outer barrel 7.

Further, the oil-gas mixture then moves upwards to enter the interior of the outer barrel 7 tangentially through the second air inlet 71, and after entering the interior of the outer barrel 7, the oil-gas mixture starts to perform a second stage cyclone pre-separation, and then the oil-gas mixture moves from top to bottom, and the baffle plate 8 can also prevent the oil-gas mixture from splashing the bottom oil to cause the oil content to rise; the oil after the second stage separation falls to the bottom of the shell 1 through the holes in the baffle 8, so that the oil is collected.

Further, after the oil-gas mixture contacts the baffle 8, according to the barrel conical cyclone separation principle, a third-stage cyclone separation can be caused, and the oil-gas mixture moves from bottom to top at the moment.

Oil-gas mixture upwards passes through behind bush 2, then passes through oil content core 4 filters the separation, oil-gas mixture passes through after oil content core 4, oil drop in the air can slowly be in oil content core 4's outermost gathering slowly becomes big oil drop by little oil drop, then slowly drops, through have on bush 2 oil return passage 22 with secondary returns oil pipe 5 and flows to the air compressor machine host computer side or collect.

The second embodiment of the present disclosure provides an air compressor, which includes an air compressor main unit and any one of the above oil-gas separation assemblies, the oil-gas separation assembly with the exhaust port of the air compressor main unit is connected to be used for carrying out oil-gas separation on the output high-pressure gas.

According to the embodiment of the disclosure, oil in the mixture is reduced through multi-stage oil-gas pre-separation, the quality of compressed air is improved, the overall height can be reduced, and the cost of a container is reduced; in addition, the configuration of an oil return pipe can be omitted, and the running performance of the compressor is ensured.

Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

While the present disclosure has been described in detail with reference to the embodiments, the present disclosure is not limited to the specific embodiments, and those skilled in the art can make various modifications and alterations based on the concept of the present disclosure, and the modifications and alterations should fall within the scope of the present disclosure as claimed.

Claims (17)

1. The utility model provides an oil-gas separation subassembly, its is including the container that is the tube-shape set up first air inlet on the container, its characterized in that set up the bush in the container the top of bush sets up the oil content core set up annular oil return passage on the terminal surface of bush set up first inclined plane on the oil return passage.

2. The oil and gas separation assembly of claim 1, wherein the bushing includes an annular sidewall inside which the oil wick can be snapped, the oil return passage being disposed around an outside of the annular sidewall.

3. The oil and gas separation assembly of claim 2, wherein the oil core is a cylindrical structure comprising a housing on which is disposed an upper end disc.

4. The oil and gas separation assembly of claim 3, wherein the oil core further comprises a guide rod, a first connection hole is provided on the upper end disc, a connection rod is provided on the annular sidewall of the liner, and the guide rod passes through the first connection hole from top to bottom and is connected with the connection rod.

5. The oil-gas separation assembly according to claim 4, wherein a second connecting hole is formed in the connecting rod, and the bottom of the guide rod is connected with the second connecting hole.

6. The oil-gas separation assembly according to claim 1, wherein a flange portion is provided at a bottom of the oil wick, and a second slope surface matching the first slope surface is provided on an outer end surface of the flange portion.

7. The oil and gas separation assembly of claim 1, wherein a seal is disposed between the oil core and the liner.

8. The oil-gas separation assembly according to claim 1, wherein an oil drain port is provided at the bottom of the container, and a secondary oil return pipe is provided at a side of the container, the secondary oil return pipe being connected to the oil return passage on the liner.

9. The oil-gas separation assembly according to claim 8 wherein said secondary oil return line is connected to said oil drain port by a line.

10. The oil-gas separation assembly according to claim 2 or 6, wherein the first gas inlet is arranged at the lower part of the vessel, an outer partition barrel is arranged at the lower part of the lining in a connecting way, at least one second gas inlet is arranged at the upper side wall of the outer partition barrel, an inner partition barrel is arranged inside the outer partition barrel, and the inner partition barrel is connected with the inner side wall of the lining.

11. The oil and gas separation assembly of claim 10, wherein two tangential second gas inlets are oppositely disposed in the upper sidewall of the outer tub.

12. The oil-gas separation assembly according to claim 10, wherein the outer partition barrel and the inner partition barrel are both of cylindrical structures which are not sealed up and down.

13. The oil-gas separation assembly according to claim 10, wherein a baffle is arranged below the inner partition barrel, and the baffle is connected with the inner side wall of the outer partition barrel.

14. The oil and gas separation assembly of claim 13 wherein the baffle is a conical structure with its apex facing downward.

15. The oil and gas separation assembly of claim 13, wherein at least one aperture is provided in the baffle to enable oil droplets to fall to the bottom of the vessel.

16. The oil and gas separation assembly of claim 13, wherein a plurality of slots are provided in the baffle for ensuring the pressure of the injected oil.

17. An air compressor comprising an air compressor main and the oil and gas separation assembly of any one of claims 1-16.

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