CN219462914U - Oil-gas separation assembly and oil-gas separation system - Google Patents
Oil-gas separation assembly and oil-gas separation system Download PDFInfo
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- CN219462914U CN219462914U CN202320675009.7U CN202320675009U CN219462914U CN 219462914 U CN219462914 U CN 219462914U CN 202320675009 U CN202320675009 U CN 202320675009U CN 219462914 U CN219462914 U CN 219462914U
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Abstract
The utility model provides an oil-gas separation assembly and an oil-gas separation system, wherein the oil-gas separation assembly comprises a separation device, and the separation device is used for oil-gas separation; the filtering device is used for filtering the oil subjected to oil-gas separation; the upper part of the separation device is provided with a first gas outlet, the bottom of the filter device is provided with a first oil outlet, the separation device is connected with the filter device through a sleeve, and the separation device is arranged above the filter device. According to the embodiment of the utility model, a secondary oil return pipeline is not required, so that the parts of the system are fewer, the separation efficiency is higher, and the efficiency of the whole compressor is improved.
Description
Technical Field
The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separation assembly and an oil-gas separation system.
Background
The oil-gas separation system is used for separating and removing oil drop particles from compressed gas, and the oil-gas separation assembly in the existing oil-gas separation system usually adopts a separate separation device and a filter device, and is required to be provided with a mounting valve block, so that the process is complex and the mounting time is long.
In addition, a secondary oil return pipe is generally arranged in an oil-gas separation barrel in the existing oil-gas separation system and used for sucking out residual oil in a separation device in the oil-gas separation assembly so as not to influence the oil-gas separation performance of the separation device, but the time consumption is long due to the existence of the secondary oil return pipe when the oil-gas separation assembly is installed and maintained, and the operation is inconvenient.
Disclosure of Invention
The embodiment of the utility model aims to provide an oil-gas separation assembly and an oil-gas separation system, which are used for solving the problems in the prior art. In order to solve the technical problems, the embodiment of the utility model adopts the following technical scheme:
an aspect of an embodiment of the present utility model provides an oil-gas separation assembly comprising
The separation device is used for oil-gas separation;
the filtering device is used for filtering the oil subjected to oil-gas separation;
the separation device is provided with a first gas outlet, the filter device is provided with a first oil outlet, the separation device is connected with the filter device through a sleeve, and the separation device is arranged above the filter device.
In some embodiments, the separation device is an oil core.
In some embodiments, the filtration device is an oil filter.
In some embodiments, the filter device, the sleeve, and the separation device are of unitary construction.
The oil-gas separation assembly in the embodiment of the utility model connects the separation device and the filtering device through the sleeve, and an independent connecting valve block or a connecting pipeline is not required to be arranged, so that the oil-gas separation assembly has a simple integral structure and is easy to install and maintain; and the oil separated by the separating device directly drops into the filtering device through the sleeve, so that the separating efficiency of the separating device is improved.
Another aspect of the embodiments of the present utility model provides an oil-gas separation system, which includes an oil-gas separation barrel and any one of the oil-gas separation assemblies described above, wherein the oil-gas separation barrel is provided with a first gas inlet, a gas outlet and an oil return port, the oil-gas separation assembly is disposed in the oil-gas separation barrel, the first oil outlet is communicated with the oil return port, and the first gas outlet is communicated with the gas outlet.
In some embodiments, the oil-gas separation barrel is configured into a first barrel and at least one second barrel which are communicated with each other, the first gas inlet is arranged on the first barrel, the gas outlet and the oil return port are arranged on the second barrel, and the oil-gas separation assembly is arranged in the second barrel.
In some embodiments, a separator tank for primary oil and gas is disposed within the oil and gas separator tank.
In some embodiments, the upper portion of the second cylinder is connected to the upper portion of the first cylinder or the upper portion of the previous second cylinder, and the bottom of the second cylinder is connected to the bottom of the first cylinder or the previous second cylinder.
In some embodiments, a second gas outlet is provided at an upper portion of the first cylinder, and a second gas inlet is provided at an upper portion of the second cylinder, the second gas inlet and the second gas outlet being connected by a first pipe.
In some embodiments, a second oil outlet is arranged at the bottom of the first cylinder, and an oil inlet is arranged at the bottom of the second cylinder and is connected with the second oil outlet through a second pipeline, so that the oil level in the first cylinder and the oil level in the second cylinder are kept consistent.
In some embodiments, the separation device is located above the oil level and the filtration device is located below the oil level.
The oil-gas separation system provided by the embodiment of the utility model adopts the oil-gas separation assembly, has a simple structure, is convenient to install and maintain, and does not need to be provided with a secondary oil return pipe, so that the oil-gas separation system has fewer parts and higher separation efficiency, and the efficiency of the integral compressor is improved. Wherein by removing the secondary oil return line, the number of parts is reduced (e.g., secondary oil return pipe, connecting valve block, etc. are not required) and the compressed gas can be prevented from being recirculated through the secondary oil return line at a lower level of oil-gas separation and efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an oil-gas separation assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an embodiment of an oil-gas separation system.
Reference numerals:
10-a first cylinder; 11-a separation barrel; 20-a second cylinder; 21-separation means; 22-sleeve; 23-a filtration device; 31-a first gas outlet; 32-a first oil outlet; 33-a first gas inlet; 34-air outlet; 35-an oil return port; 36-a second gas outlet; 37-a second gas inlet; 38-a first conduit; 39-a second oil outlet; 40-oil inlet; 41-a second pipe.
Detailed Description
Various aspects and features of the present utility model are described herein with reference to the accompanying drawings.
It should be understood that various modifications may be made to the embodiments of the application herein. Therefore, the above description should not be taken as limiting, but merely as exemplification of the embodiments. Other modifications within the scope and spirit of the utility model will occur to persons of ordinary skill in the art.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with a general description of the utility model given above, and the detailed description of the embodiments given below, serve to explain the principles of the utility model.
These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also to be understood that, although the utility model has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the utility model, 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 utility model will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present utility model will be described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the utility model, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the utility model in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not intended to be 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 utility model in virtually any appropriately detailed structure.
The specification may use the word "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 utility model.
The first embodiment of the present utility model provides an oil-gas separation assembly, as shown in fig. 1, which adopts a three-stage structure, specifically, the oil-gas separation assembly comprises a separation device 21 and a filtering device 23 which are arranged up and down, the separation device 21 and the filtering device 23 are connected through a sleeve 22, and the separation device 21 is arranged above the filtering device 23. The separation device 21 is used for oil-gas separation, for example, an oil-gas mixture can enter the separation device 21 from the side of the separation device 21 and be subjected to fine oil-gas separation in the separation device 21; the filtering device 23 is used for filtering the oil after the oil-gas separation.
Further, a first gas outlet 31 is provided on the separation device 21, the first gas outlet 31 is used for discharging gas after fine oil-gas separation, a first oil outlet 32 is provided on the filtration device 23, and the first oil outlet 32 is used for discharging cleaner oil which falls into the filtration device 23 after fine oil-gas separation and is filtered by the filtration device 23. First oil outlet 32 may be located at the bottom of filter apparatus 23 or any other location that facilitates the draining of filtered oil within filter apparatus 23.
Thus, the compressed gas containing oil is first subjected to fine oil-gas separation by the separation device 21 after entering the oil-gas separation assembly, the separated gas is discharged from the first gas outlet 31 to obtain purer gas, and the separated oil is introduced into the filtering device 23 through the sleeve to be filtered and discharged from the first oil outlet 32 to obtain cleaner oil.
The sleeve 22 serves as a passage between the separating device 21 and the filter device 23, the length of which can be determined according to practical requirements. The outer dimensions of the separating device 21, the sleeve 22 and the filter device 23 may be identical or different, as long as a seal is ensured at the connection between the separating device 21 and the sleeve 22 and between the filter device 23 and the sleeve 22, so that a separation between dirty oil/clean oil and dirty air/clean air is possible by the seal between each other.
When the oil-gas separation assembly is installed, the separation device 21 and the filtering device 23 are connected together through the sleeve 22, and the installation and the separation can be realized only by simple operation, so that the time for manually using a wrench to detach is shortened.
Further, the separation device 21 may be any type of separation device, for example, an oil core may be used.
Further, the filtering device 23 may be any type of filtering device, for example, an oil filter may be used.
Preferably, the filtering device 21, the sleeve 22 and the separating device 23 may be of a unitary structure. By adopting an integrated structure, the oil-gas separation assembly is installed and maintained in any oil-gas separation system, and is more convenient and quicker. Thus, the oil and gas separation assemblies described herein may be used as a limited life consumable that enables an overall replacement.
The oil-gas separation assembly in the embodiment of the utility model connects the separation device and the filtering device through the sleeve, and an independent connecting valve block or a connecting pipeline is not required to be arranged, so that the oil-gas separation assembly has a simple integral structure and is easy to install and maintain; and the oil separated by the separating device directly drops into the filtering device through the sleeve, so that the separating efficiency of the separating device is improved.
A second embodiment of the present utility model provides an oil-gas separation system comprising an oil-gas separation tank for performing primary oil-gas separation on an oil-gas mixture, and an oil-gas separation assembly according to any one of the first embodiment, wherein the oil-gas separation tank is used for performing fine oil-gas separation on the oil-gas mixture after the primary oil-gas separation. The oil and gas separation assemblies herein may be integrally replaced in the oil and gas separation system.
Specifically, as shown in fig. 2, the oil-gas separation barrel is provided with a first gas inlet 33, a gas outlet 34 and a oil return port 35, the oil-gas separation assembly is arranged in the oil-gas separation barrel, wherein the first gas inlet 33 is used for spraying an oil-gas mixture sprayed by, for example, an oil injection compressor, the gas outlet 34 is communicated with the first gas outlet 31 and is used for discharging gas after primary oil-gas separation and fine oil-gas separation, the oil return port 35 is communicated with the first oil outlet 32, and the oil return port 35 is used for discharging oil after primary oil-gas separation and fine oil-gas separation, so that pure gas and cleaner oil can be obtained by realizing multiple separations of the oil-gas mixture through the oil-gas separation system.
Further, the oil-gas separation barrel is constructed as a first barrel 10 and at least one second barrel 20 which are communicated with each other, a first gas inlet 33 is provided on the first barrel 10, where the first gas inlet 33 may be located at an upper portion of a side surface of the first barrel 10 of the casing, for example, a high-speed oil-gas mixture from, for example, an oil-gas compressor is introduced into the first barrel 10 through the first gas inlet 33, and the oil-gas mixture achieves primary oil-gas separation in the first barrel 10 and fine oil-gas separation in the second barrel 20.
Specifically, the air outlet 34 and the oil return port 35 are disposed on the second cylinder 20, the oil-gas separation assembly is disposed in the second cylinder 20, the air outlet 34 is used for discharging air discharged from the first gas outlet 31 after oil-gas separation by the separation device 21 to the outside, and the oil return port 35 is connected with, for example, an external oil suction pipeline, so that cleaner oil filtered by the filtering device 23 can be extracted, and the oil-gas mixture after primary oil-gas separation is subjected to fine oil-gas separation in the second cylinder 20 by the oil-gas separation assembly and discharges cleaner compressed gas and cleaner oil respectively.
Further, the first cylinder 10 is connected to at least one of the second cylinders 20, that is, an upper portion of the second cylinder 20 is connected to an upper portion of the first cylinder 10 or an upper portion of the previous second cylinder 20, and a bottom portion of the second cylinder 20 is connected to a bottom portion of the first cylinder 10 or the previous second cylinder 20. In this way, the oil-gas mixture can be separated from the air by the oil-gas particles in the first cylinder 10 and the second cylinder 20, respectively, wherein the first cylinder 10 is used for realizing primary oil-gas separation on the injected oil-gas mixture, and the second cylinder 20 is used for realizing at least one fine oil-gas separation on the air flow passing through the primary oil-gas separation through the oil-gas separation assembly.
Wherein, when the quantity of second barrel 20 is the condition of a plurality of, a plurality of second barrel 20 communicates in proper order for the air current through primary separation passes through a plurality of second barrel 20 in proper order, thereby through a plurality of oil gas separation subassembly realizes continuous many times meticulous oil gas separation, thereby obtains cleaner air and cleaner oil, in order to realize better separation effect.
Further, a separation barrel 11 is disposed in the first barrel 10, where the separation barrel 11 may be disposed at an upper portion of the first barrel 10, for example, by suspension, etc., a high-speed oil-gas mixture entering from the first gas inlet 33 enters into the separation barrel 11 to perform primary oil-gas separation, specifically, for example, the oil-gas mixture enters into the separation barrel 11 tangentially from the first gas inlet 33 at a high speed, and cyclone separation is performed around the separation barrel 11 after impacting a wall surface of the separation barrel 11 under the action of centrifugal force, so as to implement primary oil-gas separation, which is first separation between oil drop particles and air, and a gas flow passing through the primary oil-gas separation flows to the upper portion of the first barrel 10, and the separated oil drops to the bottom of the oil-gas separation barrel.
Further, a second gas outlet 36 is provided at the upper part of the first cylinder 10 (e.g. the top of the first cylinder 10), a second gas inlet 37 is provided at the upper part of the second cylinder 20, the second gas inlet 37 is connected with the second gas outlet 36 through a first pipe 38, and the gas flow after primary oil-gas separation enters the second cylinder 20 through the first pipe 38 for subsequent fine separation operation.
Specifically, after the air flow after primary oil-gas separation enters the second cylinder 20 and passes through the fine oil-gas separation of the separation device 21, the separated clean air can be finally discharged through the first air outlet 31 and the air outlet 34, the separated oil drop particles fall into the filtering device 23 through the sleeve 22 to perform filtering operation, and the filtered oil drop particles are discharged out of the oil-gas separation system through the first oil outlet 32.
Further, a certain initial oil level is provided in the oil-gas separation barrel at the beginning, and considering that the oil drop particles (which can be understood as dirty oil) after primary oil-gas separation can fall to the bottom of the first barrel 10 under the action of gravity, further, a second oil outlet 39 is provided at the bottom of the first barrel 10, wherein, in order to facilitate the collection of the falling oil drop particles, the bottom of the first barrel 10 can be provided with an inclined structure, and the inclined structure can be provided with a V-shaped or U-shaped structure, so that the oil drop particles can continuously flow to a lower position at the bottom of the first barrel 10. Furthermore, the second oil outlet 39 may be provided on the inclined structure, where the second oil outlet 39 may be provided in particular at a lower position on the inclined structure, in order to drain oil at a later stage at the bottom of the first cylinder 10.
An oil inlet 40 is disposed at the bottom of the second cylinder 20, and the oil inlet 40 is connected to the second oil outlet 39 through a second pipe 41, where the oil at the bottom of the first cylinder 10 and the oil at the bottom of the second cylinder 20 can flow, so that the oil level in the first cylinder 10 and the oil level in the second cylinder 20 are kept consistent. In this way, the oil in the first cylinder 10, which has undergone primary oil-gas separation, mixes with the lubricating oil contained in the first cylinder 10 itself, and flows into the second cylinder 20 through the second pipe 41 to form a certain oil level, and the oil in the second cylinder 20 having a certain oil level can enter the filtering device 23 from the side of the filtering device 23 to be filtered, and the filtered oil is discharged through the first oil outlet 32.
Considering that oil in the first cylinder 10 flows into the second cylinder 20 and forms a certain oil level in the second cylinder 20; further, the separation device 21 is provided above the oil level and the filter device 23 is provided below the oil level. Specifically, considering that oil droplet particles subjected to fine oil-gas separation flow into the filter device 23 through the sleeve 22, the length of the sleeve 22 herein may be adjusted as needed so that the filter device 23 can be immersed entirely below the oil level of the second cylinder 20, while the separator 21 is not in the oil, to prevent the separator 21 from sucking in the lubricating oil to affect the separation efficiency of the separator 21, while the oil plays a role of sealing clean air and dirty air. Of course, the sleeve 22 may be reused here, and the sleeve 22 having a different length may be replaced according to, for example, the oil level, and the separation device 21 may be attached to one end of the sleeve 22, and the filter device 23 may be attached to the other end of the sleeve 22, and the attachment is not limited herein.
Preferably, the separation device 21 and the filtering device 23 are connected to each other through the sleeve 22, so that dirty air can be prevented from leaking into clean air through the filtering device 23, the filtering device 23 is always required to be immersed under the oil level of the second cylinder 20, and oil at the bottom of the second cylinder 20 can also serve as liquid in a siphon tube, so that the dirty air and the clean air can be prevented from mixing.
Further, the second pipe 41 here acts to keep the oil level of the first cylinder 10 and the second cylinder 20 uniform, where the oil level needs to be kept at a certain height, for example, between an upper oil level limit and a lower oil level limit, which would cause the separation device 21 to saturate if the oil level is above a first preset threshold, i.e., if the oil level is too high, which would cause the separation device 21 to fail to operate, resulting in high oil carryover; if the oil level is less than a second preset threshold, insufficient clean oil is discharged and returned to the front-end compressor for lubrication, which results in the failure of the overall compressor system to operate normally; and dirty air may flow through the oil filter into the clean air side, resulting in clean air exiting the air outlet 34 with oil still remaining.
In order to prevent the oil level in the second cylinder 20 from becoming too high, which would lead to saturation of the separating device 21, the finely oil-gas separated oil can also flow back into the first cylinder 10 continuously via the second line 41. For this purpose, further, the position of the oil inlet 40 in the vertical direction is higher than the position of the second oil outlet 39, which ensures that the oil at the bottom of the second cylinder 10 here and can flow toward the bottom of the first cylinder 10 through the second pipe 41. Here, by controlling the pressure drop over the separation device 21 and the filter device 23, oil can be prevented from being pushed into the clean air side above the second cylinder 20.
In the process of adopting the embodiment of the utility model, for example, the air flow of the oil-gas mixture sprayed by the oil injection compressor enters the first cylinder 10 through the first air inlet 33, the primary oil-gas separation is firstly carried out through the separation barrel 11, the separated air flow enters the second cylinder 20 through the first pipeline 38, the fine oil-gas separation is carried out in the second cylinder 20 through the separation device 21, the separated air is finally discharged through the first air outlet 31 and the air outlet 34, or the air flow enters the next sequentially connected second cylinder 20 for the next fine oil-gas separation, the oil drop particles after the fine oil-gas separation enter the filtering device 23 for filtering after passing through the sleeve 22, and the filtered oil drops are gathered at the bottom of the second cylinder 20 and can be pumped out as clean oil from the first oil outlet 32 and the oil return port 35. The oil collected at the bottom of the first cylinder 10 after primary oil-gas separation enters the second cylinder 20 through the second pipe 39 and continuously rises the oil level, and the oil collected at the bottom of the second cylinder 20 enters the filtering device 23 for filtering, and is finally pumped out through the first oil outlet 32 and the oil return port 35, so that cleaner oil is obtained.
The oil-gas separation system provided by the embodiment of the utility model adopts the oil-gas separation assembly, has a simple structure, is convenient to install and maintain, and does not need to be provided with a secondary oil return pipe, so that the oil-gas separation system has fewer parts and higher separation efficiency, and the efficiency of the integral compressor is improved. Wherein by removing the secondary oil return line, the number of parts is reduced (e.g., secondary oil return pipe, connecting valve block, etc. are not required) and the compressed gas can be prevented from being recirculated through the secondary oil return line at a lower level of oil-gas separation and efficiency.
Moreover, although 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. In 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 limiting the scope of the utility model. 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 example forms of implementing the claims.
While various embodiments of the present utility model have been described in detail, the present utility model is not limited to these specific embodiments, and various modifications and embodiments can be made by those skilled in the art on the basis of the inventive concept, and these modifications and modifications should fall within the scope of the present utility model as claimed.
Claims (11)
1. An oil and gas separation assembly, comprising
The separation device is used for oil-gas separation;
the filtering device is used for filtering the oil subjected to oil-gas separation;
the separation device is provided with a first gas outlet, the filter device is provided with a first oil outlet, the separation device is connected with the filter device through a sleeve, and the separation device is arranged above the filter device.
2. The oil and gas separation assembly of claim 1, wherein the separation device is an oil core.
3. The oil and gas separation assembly of claim 1, wherein the filter device is an oil filter.
4. The oil and gas separation assembly of claim 1, wherein the filter device, the sleeve, and the separation device are of unitary construction.
5. An oil-gas separation system, which is characterized by comprising an oil-gas separation barrel and the oil-gas separation assembly of any one of claims 1-4, wherein a first gas inlet, a gas outlet and an oil return port are arranged on the oil-gas separation barrel, the oil-gas separation assembly is arranged in the oil-gas separation barrel, a first oil outlet is communicated with the oil return port, and a first gas outlet is communicated with the gas outlet.
6. The oil and gas separation system of claim 5, wherein the oil and gas separation vessel is configured as a first vessel and at least one second vessel in communication with each other, the first gas inlet is disposed on the first vessel, the gas outlet and the oil return are disposed on the second vessel, and the oil and gas separation assembly is disposed within the second vessel.
7. The oil and gas separation system of claim 5, wherein a separator tank for primary oil and gas separation is disposed within the oil and gas separation tank.
8. The oil and gas separation system of claim 6, wherein an upper portion of the second cylinder is connected to an upper portion of the first cylinder or an upper portion of a previous second cylinder, and a bottom portion of the second cylinder is connected to a bottom portion of the first cylinder or a previous second cylinder.
9. The oil-gas separation system according to claim 8, wherein a second gas outlet is provided at an upper portion of the first cylinder, a second gas inlet is provided at an upper portion of the second cylinder, and the second gas inlet and the second gas outlet are connected by a first pipe.
10. The oil and gas separation system of claim 8, wherein a second oil outlet is provided at the bottom of the first cylinder, and an oil inlet is provided at the bottom of the second cylinder, the oil inlet being connected to the second oil outlet through a second pipe such that the oil level in the first cylinder and the oil level in the second cylinder remain the same.
11. The oil and gas separation system of claim 10, wherein the separation device is located above the oil level and the filtration device is located below the oil level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320675009.7U CN219462914U (en) | 2023-03-30 | 2023-03-30 | Oil-gas separation assembly and oil-gas separation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320675009.7U CN219462914U (en) | 2023-03-30 | 2023-03-30 | Oil-gas separation assembly and oil-gas separation system |
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| CN219462914U true CN219462914U (en) | 2023-08-04 |
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| CN202320675009.7U Active CN219462914U (en) | 2023-03-30 | 2023-03-30 | Oil-gas separation assembly and oil-gas separation system |
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