CN218741060U - Liquid separation device - Google Patents

Abstract

The embodiment of the application provides a liquid separation device for separate oil and gas in the oil-gas mixture, its characterized in that, it includes: the liquid separation cylinders are cylindrical and comprise first end walls, second end walls and first cylinder walls, the first end walls and the second end walls are opposite, the first cylinder walls are connected with the first end walls and the second end walls of the liquid separation cylinders, and air inlets, air outlets and oil outlets are formed in the first cylinder walls; the gas inlet pipeline is connected with the gas inlet and extends out of the liquid separation cylinder, so that the oil-gas mixture performs rotary separation movement in the first separation cavity along the first cylinder wall and moves from the first end wall of the liquid separation cylinder to the second end wall of the liquid separation cylinder; the at least two liquid separating cylinders comprise a first liquid separating cylinder and a second liquid separating cylinder which are arranged in parallel and are symmetrical in parallel in the axial direction of the liquid separating cylinders, the liquid separating device comprises a total exhaust cylinder, and the total exhaust cylinder is provided with a total exhaust port. The liquid separation device has the advantages of good separation effect and high separation efficiency.

Description

Liquid separation device

Technical Field

The embodiment of the application relates to the field of pump units, in particular to a liquid separation device.

Background

With the technical improvement of liquid separators of oil injection screw air compressors, vacuum pumps or other equipment, the application market is wider and wider, and therefore the requirements on product performance, economy and reliability are higher and higher. The liquid separation device of the liquid separator of the oil injection screw air compressor, the vacuum pump or other equipment in the market is poor in coarse separation effect due to the fact that the type is simple and oil-gas turbulence phenomenon is easy to form, and the liquid separation treatment efficiency is low, so that the liquid separation device is not suitable for large-scale machines.

SUMMERY OF THE UTILITY MODEL

The liquid separation device of the embodiment of the application has high separation efficiency and good separation effect.

One aspect of the embodiments of the present application provides a liquid separation device for separating oil and gas in an oil-gas mixture, which is characterized by comprising:

the liquid separation device comprises at least two liquid separation barrels, a first oil separator and a second oil separator, wherein the at least two liquid separation barrels comprise a first end wall of the liquid separation barrel, a second end wall of the liquid separation barrel and a first barrel wall which is connected with the first end wall of the liquid separation barrel and the second end wall of the liquid separation barrel, which are opposite to each other, the first barrel wall, the first end wall of the liquid separation barrel and the second end wall of the liquid separation barrel are enclosed to form a first separation cavity, the first barrel wall is provided with an air inlet, an air outlet and an oil outlet which are communicated with the first separation cavity, the oil outlet is arranged at the bottom of the first barrel wall, and the air inlet is close to the first end wall of the liquid separation barrel relative to the second end wall of the liquid separation barrel;

the air inlet pipeline is connected with the air inlet and obliquely extends relative to the axial direction of the liquid separation cylinder, so that the oil-gas mixture moves along the first cylinder wall in a rotating separation motion in the first separation cavity from the first end wall of the liquid separation cylinder to the second end wall of the liquid separation cylinder;

at least two liquid separation section of thick bamboo include in the axial of liquid separation section of thick bamboo side by side symmetry, the first liquid separation section of thick bamboo and the second liquid separation section of thick bamboo that parallel arrangement, liquid separation device is including total aiutage, total aiutage is equipped with total gas vent, total aiutage intercommunication first liquid separation section of thick bamboo the gas vent with the second liquid separation section of thick bamboo the gas vent.

Optionally, the liquid separation cylinder can be placed horizontally or vertically, when placed horizontally, the first liquid separation cylinder and the second liquid separation cylinder are symmetrical side by side along the axis of the liquid separation cylinder, the first end wall of the liquid separation cylinder of the first liquid separation cylinder and the first end wall of the liquid separation cylinder of the second liquid separation cylinder are connected relatively as the total exhaust cylinder, so as to form a parallel arrangement, and when placed vertically, the first end wall of the liquid separation cylinder and the first end wall of the liquid separation cylinder of the second liquid separation cylinder are connected with the total exhaust cylinder, so as to form a parallel arrangement.

Optionally, the liquid separation cylinder further includes an inner separation cylinder disposed in the first separation cavity and coaxially disposed with the liquid separation cylinder, and the liquid separation cylinder includes a second cylinder wall and a second separation cavity surrounded by the second cylinder wall.

Optionally, the inner separation cartridge comprises an inner separation cartridge first end wall proximate the liquid separation cartridge first end wall and an inner separation cartridge second end wall proximate the liquid separation cartridge second end wall; the air outlet is close to the first end wall of the inner separation cylinder, and the edge of the first end wall of the liquid separation cylinder is connected with the edge of the first end wall of the inner separation cylinder in a closed mode, so that the first separation cavity is closed with the first end wall of the inner separation cylinder; the first separation cavity is communicated with the second end wall of the inner separation barrel; the first end wall of the inner separating cylinder is opened and is used as the exhaust port

Optionally, the oil discharge port includes a first oil discharge port disposed on the first cylinder wall and a second oil discharge port disposed on the inner separation cylinder;

the inner separation cylinder is horizontally arranged, the diameter of the cross section of the first end wall of the inner separation cylinder is larger than that of the cross section of the second end wall of the inner separation cylinder, and the first end wall of the inner separation cylinder is opened to serve as the second oil discharge port.

Optionally, the liquid separation cartridge comprises a first liquid separation cartridge and a second liquid separation cartridge arranged side by side symmetrically along an axis of the liquid separation cartridge, the first end wall of the liquid separation cartridge of the first liquid separation cartridge and the first end wall of the liquid separation cartridge of the second liquid separation cartridge are opposite;

the liquid separation device comprises a total exhaust cylinder and a total exhaust port communicated with the total exhaust cylinder, and the first end wall of the inner separation cylinder of the first liquid separation cylinder and the first end wall of the inner separation cylinder of the second liquid separation cylinder are connected in a sealing mode to form the total exhaust cylinder.

Optionally, the oil discharge port of the first liquid separation barrel and the oil discharge port of the second liquid separation barrel of the liquid separation device are communicated with the outside;

the bottom of the main exhaust cylinder is also provided with a branch oil discharge port which is communicated with the outside.

Optionally, the liquid separation device further comprises a filtering device arranged between the main exhaust funnel and the main exhaust port, and the filtering device comprises a filtering device shell and one or more filtering oil cores arranged inside the filtering device shell.

Optionally, the liquid separation device further includes a filtering and flow dividing plate disposed at a connection between the main exhaust funnel and the filter device housing.

Optionally, the oil discharge port includes a plurality of first oil discharge ports disposed on the first cylinder wall, and the plurality of first oil discharge ports are arranged at the bottom of the first cylinder wall.

Optionally, the liquid separation cartridge is horizontally disposed, a cross-sectional diameter of the first end wall of the liquid separation cartridge is smaller than a cross-sectional diameter of the second end wall of the liquid separation cartridge, and the oil drain is proximate the second end wall of the liquid separation cartridge.

Optionally, the liquid separation comprises at least three of the liquid separation cartridges, and the liquid separation device comprises a total chimney in communication with the gas outlets of the plurality of liquid separation cartridges.

The utility model provides a liquid separation device, during oil-gas mixture got into liquid separation section of thick bamboo along the admission line, make the rotation separation motion in first separation intracavity along first bobbin wall, utilize cyclone's principle, it is effectual to separate, simultaneously because can adopt and carry out oil-gas separation through a plurality of liquid separation section of thick bamboo parallels, this modularized design has reduced each part pressure drop in the oil-gas separation in-process flow field, increase this application oil gas treatment device's throughput, improve this application oil gas treatment device's treatment effeciency.

Drawings

FIG. 1 is a schematic perspective view of a liquid separation apparatus according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the liquid separation device of the embodiment shown in FIG. 1;

FIG. 3 is a perspective cross-sectional view of the liquid separation device of the embodiment shown in FIG. 1;

fig. 4 is a transverse cross-sectional view of the filter device of the liquid separation device of the embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should have the ordinary meaning as understood by those having ordinary skill in the art to which the present application belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The oil-gas mixture discharged from the oil injection screw air compressor and the vacuum pump unit is mixed with large and small oil drops, liquid separation is needed, and the traditional gas-liquid separator has low filtering efficiency and poor effect in the application scenes of large air volume and low pressure. The application provides a liquid separation device 1, utilizes cyclone's principle, and the separation effect is better. Fig. 1 is a schematic perspective view of a liquid separation apparatus 1 according to an embodiment of the present application; FIG. 2 is a cross-sectional view of the liquid separation device 1 of the embodiment shown in FIG. 1; fig. 3 is a perspective cross-sectional view of the liquid separation device 1 of the embodiment shown in fig. 1. Referring to fig. 1-3, the liquid separation device 1 of the present application is used for separating oil and gas in an oil-gas mixture, and comprises: at least two liquid separation cartridges 2 and an air inlet duct 4, the liquid separation cartridges 2 having a cylindrical shape, wherein the liquid separation cartridges 2 comprise opposite first liquid separation cartridge end walls 21, second liquid separation cartridge end walls 22 and first cartridge walls 23 connecting the first liquid separation cartridge end walls 21 and the second liquid separation cartridge end walls 22. The first cylinder wall 23, the first end wall 21 of the liquid separation cylinder and the second end wall 22 of the liquid separation cylinder are surrounded to form a first separation cavity 24, the first cylinder wall 23 is provided with an air inlet 25, an air outlet 26 and an oil outlet 27 which are communicated with the first separation cavity 24, the oil outlet 27 is arranged at the bottom of the first cylinder wall 23, the air inlet 25 is arranged on the first cylinder wall 23 and is close to the first end wall 21 of the liquid separation cylinder relative to the second end wall 22 of the liquid separation cylinder, the air outlet 26 is close to the first end wall 21 of the liquid separation cylinder, the air inlet pipeline 4 is connected with the air inlet 25 and extends out of the liquid separation cylinder 2 and inclines and extends relative to the axial direction of the liquid separation cylinder 2, so that the oil-gas mixture does rotating separation movement in the first separation cavity 24 along the first cylinder wall 23 and moves from the first end wall 21 of the liquid separation cylinder to the second end wall 22 of the liquid separation cylinder. Since the first cylinder wall 23 is cylindrical or conical, the gas flow will change from linear to circular when the oil-gas mixture enters the liquid separation cylinder 2, and the rotating gas flow follows the first cylinder wall 23, spiraling in the first separation chamber 24, from the first end wall 21 of the liquid separation cylinder to the second end wall 22 of the liquid separation cylinder, which in some embodiments is open at the second end wall 22 of the liquid separation cylinder and can be used for oil drainage. In the process of gas circling movement, oil drops in the oil-gas mixture are thrown to the inner side of the first cylinder wall 23 under the action of centrifugal force, once the oil drops are contacted with the cylinder wall, the inertia force is lost, the oil drops are gradually accumulated at the bottom of the liquid separation cylinder 2 under the influence of gravity and are discharged through the oil discharge port 27 at the second end wall 22 of the liquid separation cylinder and the bottom of the first cylinder wall 23, and on the other hand, gas passing through oil drops is continuously gathered to the center of the liquid separation cylinder 2 in the rotating process, returns to the first end wall 21 of the liquid separation cylinder from the second end of the liquid separation cylinder 2 and is discharged through the exhaust port 26, so that liquid separation is realized.

The liquid separation apparatus 1 of the present application may also be provided with a plurality of liquid separation cartridges 2 connected in parallel for liquid separation, please refer to fig. 1-3, in the illustrated embodiment, the liquid separation apparatus 1 includes a housing 14, the liquid separation cartridges 2 at least include a first liquid separation cartridge 28 and a second liquid separation cartridge 29 arranged in parallel along the liquid separation cartridges 2 and symmetrically arranged side by side in the axial direction of the liquid separation cartridges 2, a first end wall 21 of the liquid separation cartridge of the first liquid separation cartridge 28 is opposite to a first end wall 21 of the liquid separation cartridge of the second liquid separation cartridge 29, the liquid separation apparatus 1 includes a total exhaust stack 11, and the total exhaust stack 11 is provided with a total exhaust port 12. The total exhaust cylinder 11 communicates the exhaust port of the first liquid separation cylinder 28 and the exhaust port of the second liquid separation cylinder 29. In other embodiments, the number of the liquid separation cylinders 2 is at least three, and the liquid separation device 1 comprises a total exhaust cylinder 11 communicated with the exhaust ports 26 of the plurality of liquid separation cylinders 2, in which case the plurality of liquid separation cylinders 2 can be arranged side by side in the same direction, and the total exhaust cylinder 11 is enclosed in front of the first end wall 21 of each liquid separation cylinder; or arranged in a radial or array manner, and the front part of the first end wall 21 of the plurality of liquid separation cylinders is surrounded with the exhaust cylinder 11. So, the liquid separation device 1 of this application can arrange one or two and a plurality of liquid separation section of thick bamboo 2, carries out liquid separation simultaneously, and separation efficiency improves greatly, and on the other hand, through the modularized design of a plurality of liquid separation section of thick bamboo 2, reduces each partial pressure drop in flow field, increases this application oil gas treatment device's throughput.

The liquid separation cylinders 2 can be placed horizontally or vertically, when the liquid separation cylinders are placed horizontally, the first liquid separation cylinders 28 and the second liquid separation cylinders 29 are symmetrical side by side along the axis of the liquid separation cylinders 2, the first end walls 21 of the liquid separation cylinders of the first liquid separation cylinders 28 and the first end walls 21 of the liquid separation cylinders of the second liquid separation cylinders 29 are connected oppositely to form a total exhaust cylinder 11, and are arranged in parallel, when the liquid separation cylinders are placed vertically, the first end walls 28 of the liquid separation cylinders of the first liquid separation cylinders 28 and the first end walls 21 of the liquid separation cylinders of the second liquid separation cylinders 29 are connected with the total exhaust cylinder 11, and the total exhaust cylinder 11 is arranged in parallel. So, through the modularized design of a plurality of liquid separation section of thick bamboo 2, a plurality of liquid separation section of thick bamboo 2 can connect in parallel handle the oil-gas separation process, reduce each partial pressure drop in flow field, increase this application oil gas processing apparatus 1's throughput, improve this application oil gas processing apparatus 1's treatment effeciency.

Further, first, to improve the separation efficiency of the liquid separation device 1 of the present application, in some embodiments, the diameter of the cross-section of the liquid separation cartridge first end wall 21 of the liquid separation cartridge 2 is smaller than the diameter of the cross-section of the liquid separation cartridge second end wall 22. At this moment, the liquid separation cylinder 2 is in a circular truncated cone shape, the oil discharge port 27 is arranged at a position close to the second end wall 22 of the liquid separation cylinder, so that oil drops can flow to the second end wall 22 of the liquid separation cylinder from the first end wall 21 of the liquid separation cylinder along the inner side of the bottom of the first cylinder wall 23 of the liquid separation cylinder 2, and then are discharged through the oil discharge port 27 close to the second end wall 22 of the liquid separation cylinder, thereby reducing the retention of the oil drops in the first separation cavity 24 and accelerating the separation efficiency of the liquid separation device 1.

In some embodiments, the oil discharge port 27 at the bottom of the liquid separation cylinder 2 includes a first oil discharge port 271 disposed at the first cylinder wall 23, the second end wall 22 of the liquid separation cylinder is open and can be used for discharging oil, and in addition, oil drops flow out through the first oil discharge port 271, the number of the first oil discharge ports 271 is plural, and the plural first oil discharge ports 271 are disposed at the bottom of the first cylinder wall 23 in an array. In the illustrated embodiment, the oil outlets 27 are equally spaced, and in other embodiments, the oil outlets 27 may be spaced more closely below the air inlet 25, thereby increasing oil droplet drainage and separation efficiency. In the illustrated embodiment, the liquid separation cylinder 2 can be horizontally placed, the diameter of the cross section of the first end wall 21 of the liquid separation cylinder is smaller than that of the cross section of the second end wall 22 of the liquid separation cylinder, and the plurality of first oil discharge ports 271 are arranged at the bottom of the first cylinder wall 23, so that oil droplets can be gradually discharged from the plurality of oil discharge ports 27 in the process of slowly flowing from the first end wall 21 of the liquid separation cylinder to the second end wall 22 of the liquid separation cylinder, and the oil discharge efficiency is further improved, so that the liquid separation device 1 of the present application has high efficiency.

Because it can have very big promotion to liquid separation effect to increase the cyclone stroke, saves liquid separating device 1's occupation space simultaneously, in some embodiments, can set up double-deck cylinder for oil-gas mixture separates at the skin earlier, and reentrant inlayer separates, with the stroke that increases oil-gas mixture cyclone. Referring to fig. 2-3, in the illustrated embodiment, the liquid separation barrel 2 further includes an inner separation barrel 3 disposed in the first separation chamber 24 and disposed coaxially with the liquid separation barrel 2, the inner separation barrel 3 has a smaller diameter than the liquid separation barrel 2, and the liquid separation barrel 2 includes a second barrel wall and a second separation chamber surrounded by the second barrel wall; the inner separation cylinder 3 comprises an inner separation cylinder first end wall 31 close to the liquid separation cylinder first end wall 21 and an inner separation cylinder second end wall 32 close to the liquid separation cylinder second end wall 22, the exhaust port 26 is close to the inner separation cylinder first end wall 31, the oil-gas mixture enters the first separation cavity 24 through the air inlet pipeline 4, cyclone separation is carried out in the first separation cavity 24, the liquid separation cylinder second end wall 22 comes from the liquid separation cylinder first end wall 21, and then the oil-gas mixture returns to the liquid separation cylinder first end wall 21 according to a cyclone separation path, at this time, the inner separation cylinder 3 with a smaller diameter can be designed on the cyclone separation path, the diameter of the inner separation cylinder 3 is matched with that of the outer liquid separation cylinder 2, the cyclone separation path can be obtained through simulation of the airflow of the liquid separation cylinder 2, and then the size of the inner separation cylinder 3 and the position of the inner separation cylinder 3 relative to the outer liquid separation cylinder 2 are determined, and the design is reasonable. From the second end of the liquid separation cartridge 2, it returns to the first end wall 21 of the liquid separation cartridge, is treated by the single or multiple wick separator 16, and is discharged through the vent 26, thus effecting liquid separation.

The liquid separation section of thick bamboo 2 of this application utilizes cyclone's principle, has promoted the separation effect, simultaneously because the liquid separation device 1 of this application includes outside liquid separation section of thick bamboo 2 and interior cylinder 3, prolongs oil-gas mixture and carries out cyclone's distance to further promote liquid separation efficiency, the liquid separation device 1 separation efficiency of this application is high, separates effectually.

Secondly, to further improve the separation effect of the liquid separation device 1 of the present application, in some embodiments, in order to prevent the oil-gas mixture from escaping from the surroundings, and to ensure the separation effect, the edge of the first end wall 21 of the liquid separation cartridge is connected in a closed manner with the edge of the first end wall 31 of the inner separation cartridge, so that the first separation chamber 24 is closed with the first end wall 31 of the inner separation cartridge; the first separation chamber 24 communicates with the inner cartridge second end wall 32. At this time, the first end wall 31 of the inner separation cylinder may be opened as the main exhaust cylinder 11 and communicated with the main exhaust port 12, referring to fig. 3, the liquid separation cylinder 2 is in a double-cylinder design, the first end of the liquid separation cylinder 2 and the second end of the inner separation cylinder 3 are closed and communicated, so that the gas enters from the first separation cavity 24 formed by the liquid separation cylinder 2, enters the second separation cavity formed by the inner separation cylinder 3 after cyclone separation, performs cyclone separation again, and finally the gas is discharged through the first end of the inner separation cavity. So the liquid separation device 1 of this application has increased the distance of liquid separation under the condition that occupies less space for oil drips can fully fall with section of thick bamboo wall contact, and the liquid separation device 1 separation of this application is effectual, and occupation space is little.

In terms of oil discharge, referring to fig. 2 and 3, the separated oil drops flow down from the second end wall 32 of the inner separation cylinder communicating with the first separation chamber 24 in the inner separation cylinder 3, fall into the bottom of the first cylinder wall 23, and are finally discharged through the oil discharge port 27. At this time, the oil discharge port 27 includes a first oil discharge port 271 provided in the first cylinder wall 23 and a second oil discharge port 272 provided in the inner separation cylinder 3, and in the illustrated embodiment, in order to further accelerate the outflow of the oil droplets in the inner separation cylinder 3, the inner separation cylinder 3 is horizontally disposed, and the diameter of the cross section of the first end wall 31 of the inner separation cylinder is larger than the diameter of the cross section of the second end wall 32 of the inner separation cylinder, so that the inner separation cylinder 3 is in a circular truncated cone shape with a wide portion opposite to the outer liquid separation cylinder 2, and the first end wall 31 of the inner separation cylinder is opened as the second oil discharge port 272, so that the first end wall 31 of the inner separation cylinder simultaneously serves as the air discharge port 26 and the second oil discharge port 272, and the oil droplets flow out from the first end wall 31 of the inner separation cylinder. In other embodiments, the inner separation cylinder 3 is horizontally disposed, the diameter of the cross section of the first end wall 31 of the inner separation cylinder is smaller than the diameter of the cross section of the second end wall 32 of the inner separation cylinder, so that the inner separation cylinder 3 is also circular truncated cone-shaped, the wide portion of the inner separation cylinder is the same as the outer liquid separation cylinder 2, the second end wall 32 of the inner separation cylinder is open and serves as a second oil discharge port 272, and oil drops flow into the first separation chamber 24 from the second end wall 32 of the inner separation cylinder and then are discharged from the first oil discharge port 271 of the first cylinder wall 23. The liquid separation device 1 with the large gap has reasonable structure, and oil cannot be retained at the bottom of the cylinder wall of the double cylinders.

In some embodiments, the liquid separation cartridge 2 comprises a first liquid separation cartridge 21 and a second liquid separation cartridge 22, and in order to reduce the space occupied by the two liquid separation cartridges, the first end wall 31 of the inner separation cartridge of the first liquid separation cartridge 28 and the first end wall 31 of the inner separation cartridge of the second liquid separation cartridge 29 can be connected in a sealing manner to form the total exhaust cartridge 11. The gas from which the oil drops are separated by the first liquid separating cylinder 28 and the gas from which the oil drops are separated by the second liquid separating cylinder 29 escape from the first end wall 31 of the respective opposite inner separating cylinder, and are mixed in the main exhaust cylinder 11, split and pass through a single core or multiple cores, and then are discharged through the main exhaust port 12.

In some embodiments, the liquid separation device 1 comprises a plurality of liquid separation cartridges 2, the liquid separation cartridges 2 comprise a plurality of liquid separation cartridges 2, at least comprising a first liquid separation cartridge 28 and a second liquid separation cartridge 29 arranged side by side along an axis of the liquid separation cartridge 2, the first liquid separation cartridge first end wall 21 and the second liquid separation cartridge first end wall 21 are opposite, the liquid separation device 1 comprises a general exhaust cartridge 11 and a general exhaust port 12 communicating with the general exhaust cartridge 11; the oil discharge port 27 of the first liquid separation tube 28 and the oil discharge port 27 of the second liquid separation tube 29 communicate with the outside, and the separated oil droplets are discharged. In the above embodiment, the oil discharge port 27 includes the first oil discharge port 271 and the second oil discharge port 272, if the inner separation cylinder 3 is horizontally placed, the diameter of the cross section of the first end wall 31 of the inner separation cylinder is greater than the diameter of the cross section of the second end wall 32 of the inner separation cylinder, at this time, the first end walls 31 of the inner separation cylinders of the plurality of liquid separation cylinders 2 simultaneously serve as the air discharge port 26 and the second oil discharge port 272, the oil discharge port 27 of the first liquid separation cylinder 28 is the first end wall 31 of the inner separation cylinder of the first liquid separation cylinder 28, the oil discharge port 27 of the second liquid separation cylinder 29 is the first end wall 31 of the inner separation cylinder of the second liquid separation cylinder 29, although the oil-gas mixture at this time is separated by the inner and outer separation cylinders, a small number of oil droplets still remain, and therefore, the oil droplets may also adhere to and drip on the inner wall of the total exhaust cylinder 11, and may flow back into the inner separation cylinders 3 at both sides through accumulation, and the partial oil discharge port 13 may be disposed at the bottom of the total exhaust cylinder 11. Thus ensuring that oil drops can be discharged in time and improving the separation effect.

Referring to fig. 1-3, in the illustrated embodiment, a liquid separation device 1 of the present application includes a housing 14, a main exhaust pipe 11, a main exhaust port 12, and two circular truncated cone-shaped double-layer liquid separation pipes 2 arranged oppositely, and first, after two times of cyclone separation, oil drops fall into the bottom of an inclined pipe wall through collision with the pipe wall, are concentrated at a lower end, and finally flow to the outside through an oil discharge port 27, and a trace amount of oil-containing gas overflows from an exhaust port 26 to the main exhaust pipe 11, and then flows to the outside through the main exhaust port 12, so as to complete liquid separation, so that the liquid separation device 1 of the present application has a good separation effect and a high separation efficiency.

In addition to the configuration of the liquid separation cartridge 2, fig. 4 is a cross-sectional view of the filter device 15 of the liquid separation device 1 of the embodiment shown in fig. 1, referring to fig. 4, in order to further improve the purity of the separated gas, in some embodiments, the liquid separation device 1 further includes a filter device 15 disposed between the main exhaust cartridge 11 and the main exhaust port 12, and the filter device 15 includes a filter device housing 151 and one or more filter oil cartridges 16 disposed inside the filter device housing 151. A plurality of filter cores 16 can cooperate liquid separation section of thick bamboo 2 to further filter the oil-gas mixture, improve the filter effect. The utility model provides a liquid separation device 1 is compatible single core or multicore simultaneously and is handled, if use single filtration wick 16, with low costs, if use a plurality of filtration wicks 16, the filter effect is good, and the quantity of required filtration wick 16 can be adjusted according to the result of use of liquid separation section of thick bamboo 2, and the filtration wick 16 of this application can be changed alone simultaneously, is convenient for maintain. In some embodiments, the filter cartridge 16 may be a multi-core or shell-type cartridge, and most of the oil droplets have flowed back to the bottom of the liquid separator 1 and very little has been conducted away by the suction tube under the filter cartridge 16.

Referring to fig. 3, in some embodiments, a filtering splitter plate and an oil core mounting plate may be further disposed at a connection position between the main exhaust stack 11 and the filtering device housing 151 in a limited space of the housing 14 of the liquid separating device 1, and since the filtering splitter plate occupies a small space, the liquid separating effect of the liquid separating device 1 of the present application may be further improved on the premise of saving space, and meanwhile, a small amount of oil-containing gas discharged through the main exhaust stack 11 may be diverted and flow-stabilized to the upper filtering oil core 16, so as to improve filtering efficiency, and in some embodiments, a second filter plate (not shown) may be further disposed between the main exhaust stack 11 and the filtering device 15.

In some embodiments, the filter device 15 and the filter diverter plate of the present application are detachable, and when the liquid separation cartridge 2 is sufficient to meet the liquid separation requirement, the liquid separation can be performed only by using the liquid separation cartridge 2.

The liquid separation device provided in the embodiments of the present application is described in detail above. The liquid separation device of the embodiments of the present application is illustrated herein by using specific examples, and the above description of the embodiments is only for assisting understanding of the core ideas of the present application and is not intended to limit the present application. It should be noted that, for those skilled in the art, without departing from the spirit and principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications should also fall within the scope of protection of the appended claims of the present application.

Claims (11)

1. A liquid separation device for separating oil and gas in an oil-gas mixture is characterized by comprising:

the liquid separation cylinder comprises at least two liquid separation cylinders, wherein each liquid separation cylinder is cylindrical and comprises a first end wall of the liquid separation cylinder, a second end wall of the liquid separation cylinder and a first cylinder wall which is connected with the first end wall of the liquid separation cylinder and the second end wall of the liquid separation cylinder, the first cylinder wall, the first end wall of the liquid separation cylinder and the second end wall of the liquid separation cylinder are enclosed to form a first separation cavity, the first cylinder wall is provided with an air inlet, an air outlet and an oil outlet which are communicated with the first separation cavity, the oil outlet is arranged at the bottom of the first cylinder wall, and the air inlet is close to the first end wall of the liquid separation cylinder relative to the second end wall of the liquid separation cylinder;

the air inlet pipeline is connected with the air inlet, extends out of the liquid separation barrel and obliquely extends relative to the axial direction of the liquid separation barrel, so that the oil-gas mixture moves along the first barrel wall in a rotating separation mode in the first separation cavity and moves from the first end wall of the liquid separation barrel to the second end wall of the liquid separation barrel;

at least two liquid separation section of thick bamboo include in the axial of liquid separation section of thick bamboo side by side symmetry, the first liquid separation section of thick bamboo and the second liquid separation section of thick bamboo that parallel arrangement, liquid separation device is including total aiutage, total aiutage is equipped with total gas vent, total aiutage intercommunication first liquid separation section of thick bamboo the gas vent with the second liquid separation section of thick bamboo the gas vent.

2. The liquid separation apparatus of claim 1, wherein the liquid separation cartridges are horizontally or vertically positionable, wherein the first liquid separation cartridge and the second liquid separation cartridge are symmetrically positioned side by side along an axis of the liquid separation cartridges when horizontally positioned, the first end wall of the liquid separation cartridge of the first liquid separation cartridge and the first end wall of the liquid separation cartridge of the second liquid separation cartridge are oppositely connected as the total exhaust cartridge to form a parallel arrangement, and wherein the first end wall of the liquid separation cartridge of the first liquid separation cartridge and the first end wall of the liquid separation cartridge of the second liquid separation cartridge are positioned side by side when vertically positioned, and the first end wall of the liquid separation cartridge of the first liquid separation cartridge and the first end wall of the liquid separation cartridge of the second liquid separation cartridge are communicated with the total exhaust cartridge to form a parallel arrangement.

3. The liquid separation device of claim 1, wherein the liquid separation cartridge further comprises an inner separation cartridge disposed within the first separation chamber and positioned coaxially with the liquid separation cartridge, the liquid separation cartridge comprising a second cartridge wall and a second separation chamber defined by the second cartridge wall.

4. The liquid separation device of claim 3, wherein the inner separation cartridge comprises an inner separation cartridge first end wall proximate the liquid separation cartridge first end wall and an inner separation cartridge second end wall proximate the liquid separation cartridge second end wall; the air outlet is close to the first end wall of the inner separation cylinder, and the edge of the first end wall of the liquid separation cylinder is connected with the edge of the first end wall of the inner separation cylinder in a closed mode, so that the first separation cavity is closed with the first end wall of the inner separation cylinder; the first separation cavity is communicated with the second end wall of the inner separation barrel; the first end wall of the inner separation cylinder is opened to serve as the exhaust port.

5. The liquid separation device of claim 3, wherein the oil discharge port comprises a first oil discharge port disposed in the first cylinder wall and a second oil discharge port disposed in the inner separation cylinder;

the inner separation cylinder is horizontally arranged, the diameter of the cross section of the first end wall of the inner separation cylinder is larger than that of the cross section of the second end wall of the inner separation cylinder, and the first end wall of the inner separation cylinder is opened to serve as the second oil discharge port.

6. The liquid separation device of claim 5, wherein the oil discharge port of the first liquid separation cartridge and the oil discharge port of the second liquid separation cartridge of the liquid separation device communicate with the outside;

the bottom of the main exhaust cylinder is also provided with a branch oil discharge port which is communicated with the outside.

7. The liquid separation device of claim 5, further comprising a filter device disposed between the total chimney and the total vent, the filter device comprising a filter device housing and one or more filter cartridges disposed within the filter device housing.

8. The liquid separation device of claim 7, wherein the liquid separation device filter further comprises a filter diverter plate disposed at a junction of the main chimney and the filter housing.

9. The liquid separation device of claim 1, wherein the oil discharge port comprises a plurality of first oil discharge ports disposed on the first cylinder wall, and a plurality of first oil discharge ports are arranged at the bottom of the first cylinder wall.

10. The liquid separation device of claim 1 wherein the liquid separation cartridge is horizontally oriented, the diameter of the cross-section of the first end wall of the liquid separation cartridge is smaller than the diameter of the cross-section of the second end wall of the liquid separation cartridge, and the oil drain is proximate the second end wall of the liquid separation cartridge.

11. The liquid separation device of claim 1, wherein the liquid separation includes at least three of the liquid separation cartridges, the liquid separation device including a total chimney in communication with the gas vents of the plurality of liquid separation cartridges.

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