Oil-gas separation and recovery device

By using staggered baffles and a multi-stage filter frame structure in the oil-gas separation device, the problem of incomplete separation of small oil droplets was solved, thereby improving the oil-gas separation efficiency and enhancing the recovery benefits.

CN224194333UActive Publication Date: 2026-05-05ZHENJIANG RUICHI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENJIANG RUICHI ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-01-20
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing oil-gas separation devices cannot effectively separate small oil droplets, resulting in poor oil-gas separation performance and reduced recovery efficiency.

Method used

The oil-gas separator is equipped with multiple staggered baffles and filter frames. The inclined design of the baffles and the guide groove accelerate the droplet falling. Combined with the multi-stage filtration of the filter frame, the filtration efficiency of the oil droplets is improved. The stability of the component is enhanced by the guide plate and guide groove.

Benefits of technology

This improves the efficiency of oil-gas separation, ensures that small oil droplets are effectively filtered and collected, reduces the loss of oil droplets in the gas flow, and enhances the overall efficiency of the recovery unit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil-gas recovery devices, in particular to an oil-gas separation and recovery device which comprises an oil-gas separation pipe, a gas collection chamber is arranged at the top of the oil-gas separation pipe, an oil liquid collection box communicated with the oil-gas separation pipe is arranged at the bottom of the oil-gas separation pipe, and an oil-gas circulation pipe perpendicular to the oil-gas separation pipe is arranged on one side of the oil-gas separation pipe. A plurality of uniformly distributed first spoilers are arranged on the inner side wall of the oil-gas separation pipe above the oil-gas circulation pipe, and a plurality of second spoilers staggered with the first spoilers are arranged on the inner side wall of the oil-gas separation pipe on the opposite sides of the first spoilers; according to the oil-gas separation device, oil drops running away along with gas can be separated and recycled, the recycling effect of the oil-gas separation device is improved, meanwhile, recycled oil liquid can be filtered, and the oil liquid quality is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of oil and gas recovery devices, and specifically to an oil and gas separation and recovery device. Background Technology

[0002] Natural gas refers to all gases that exist naturally in nature, including gases formed by various natural processes in the atmosphere, hydrosphere, and lithosphere, such as oilfield gas, gas field gas, mud volcano gas, coalbed methane, and biogenic gas. However, the commonly used definition of "natural gas" is a narrow definition from an energy perspective, referring to a mixture of hydrocarbon and non-hydrocarbon gases naturally stored in strata. In petroleum geology, it usually refers to oilfield gas and gas field gas.

[0003] Existing oil-gas separation devices can only separate large oil droplets from gas, while small oil droplets are lost with the gas. The oil-gas separation effect is poor, which reduces the recycling efficiency of the device and is not conducive to the recycling benefits. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an oil-gas separation and recovery device. This device can only separate large oil droplets from the gas, while small oil droplets are lost with the gas, resulting in poor oil-gas separation and reduced recovery efficiency, which is detrimental to the recovery benefits.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An oil-gas separation and recovery device includes an oil-gas separation pipe, a gas collection chamber at the top of the oil-gas separation pipe, an oil collection tank connected to the bottom of the oil-gas separation pipe, an oil-gas flow pipe perpendicular to one side of the oil-gas separation pipe, a plurality of uniformly distributed first flow-blocking plates on the inner wall of the oil-gas separation pipe above the oil-gas flow pipe, and a plurality of second flow-blocking plates arranged alternately on the inner wall of the oil-gas separation pipe on the opposite side of the first flow-blocking plates.

[0007] The first baffle plate and the second baffle plate gradually slope downward from one end near the inner wall of the oil-gas separator to the end away from the inner wall of the oil-gas separator. Several equally spaced guide grooves are opened on the top end face of the first baffle plate and the second baffle plate. The bottom of the first baffle plate and the second baffle plate is provided with a flow block with a triangular cross-section.

[0008] The oil-gas separation pipe below the oil-gas flow pipe is equipped with a first filter frame and a second filter frame, which are detachably installed from top to bottom. Both the first filter frame and the second filter frame have multiple evenly distributed filter holes, and the diameter of the filter holes in the second filter frame is smaller than the diameter of the filter holes in the first filter frame.

[0009] As a preferred technical solution of this utility model, the first filter frame and the second filter frame are symmetrically provided with guide plates on both sides, and the oil-gas separation pipe is provided with guide grooves that fit the guide plates on both inner side walls.

[0010] The above technical solution, by using the guide plate and guide groove, improves the stability of the first filter frame and the second filter frame installed in the oil-gas separator pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, the oil-gas mixture enters the oil-gas separation pipe through the oil-gas flow pipe. Oil droplets in the oil-gas mixture drip downwards and pass through the first and second filter frames to filter impurities in the oil droplets. The filtered oil droplets fall into the oil collection tank for collection. Due to its lower density, the gas in the oil-gas mixture floats to the top of the oil-gas separation pipe and enters the gas collection chamber. As the gas escapes, the oil droplets are blocked by the staggered first and second baffle plates, causing the oil droplets to drip downwards and fall into the oil collection tank after being filtered by the first and second filter frames. The inclined arrangement of the first and second baffle plates, combined with the guide groove and the flow separation block, accelerates the falling speed of the oil droplets adhering to the first and second baffle plates, thereby improving the efficiency of the device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the present invention;

[0015] Figure 3 This is a schematic diagram of the structure of the first filter frame of this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the first flow-blocking plate of this utility model;

[0017] In the diagram: 1. Oil-gas separator pipe; 2. Gas collection chamber; 3. Oil-gas flow pipe; 4. Oil collection tank; 5. First filter frame; 6. Second filter frame; 7. First baffle plate; 8. Guide groove; 9. Guide plate; 10. Filter hole; 11. Flow block; 12. Guide groove; 13. Second baffle plate. Detailed Implementation

[0018] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0019] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Example

[0020] This utility model provides an oil-gas separation and recovery device, referenced... Figure 1-4 As shown, the system includes an oil-gas separator 1, a gas collection chamber 2 at the top of the oil-gas separator 1, and an oil collection tank 4 connected to the bottom of the oil-gas separator 1. An oil-gas flow pipe 3 perpendicular to the oil-gas separator 1 is provided on one side of the oil-gas separator 1. The oil-gas flow pipe 3 is connected to the oil-gas separator 1. Multiple evenly distributed first flow-blocking plates 7 are fixed on the inner wall of the oil-gas separator 1 above the oil-gas flow pipe 3. Multiple second flow-blocking plates 13, arranged alternately with the first flow-blocking plates 7, are fixed on the inner wall of the oil-gas separator 1 on the opposite side of the first flow-blocking plates 7. A first filter frame 5 and a second filter frame 6 are detachably installed from top to bottom inside the oil-gas separator 1 below the oil-gas flow pipe 3. The first filter frame 5 and the second filter frame 6 allow for multiple filtrations of impurities in the oil, improving oil quality. Furthermore, the detachable design of the first filter frame 5 and the second filter frame 6 from the oil-gas separator 1 facilitates the cleaning of filtered impurities by the operator.

[0021] The first baffle plate 7 and the second baffle plate 13 gradually tilt downwards from one end near the inner wall of the oil-gas separator 1 to the end away from the inner wall of the oil-gas separator 1. By setting the first baffle plate 7 and the second baffle plate 13 to tilt downwards, the loss of small oil droplets in the airflow can be blocked. At the same time, it is convenient for small oil droplets to flow downwards naturally along the tilt angle of the first baffle plate 7 and the second baffle plate 13 and drip into the oil collection tank 4.

[0022] Both the first filter frame 5 and the second filter frame 6 have multiple evenly distributed filter holes 10. The diameter of the filter holes 10 in the second filter frame 6 is smaller than that in the first filter frame 5. By setting the diameter of the filter holes 10 in the second filter frame 6 to be smaller than that in the first filter frame 5, impurities of different sizes in the oil can be filtered, thereby improving the filtration effect on impurities in the oil.

[0023] The first filter frame 5 and the second filter frame 6 are symmetrically provided with trapezoidal guide plates 9 on both sides. The two inner walls of the oil-gas separation pipe 1 are provided with guide grooves 8 that fit with the guide plates 9. The arrangement of the guide plates 9 and the guide grooves 8 improves the stability of the first filter frame 5 and the second filter frame 6 installed in the oil-gas separation pipe 1.

[0024] Furthermore, both the first baffle plate 7 and the second baffle plate 13 have several equally spaced guide grooves 12 on their top surfaces. The guide grooves 12 improve the dripping speed of oil droplets from the first baffle plate 7 and the second baffle plate 13.

[0025] Furthermore, both the first baffle plate 7 and the second baffle plate 13 are provided with a flow separation block 11 with a triangular cross-section at their bottom. By setting the flow separation block 11, oil droplets cannot adhere to or extend on the bottom of the first baffle plate 7 and the second baffle plate 13, thus realizing the automatic flow separation of oil droplets.

[0026] The working principle of this utility model is as follows:

[0027] In this invention, the oil-gas mixture enters the oil-gas separation pipe 1 through the oil-gas flow pipe 3. Oil droplets in the oil-gas mixture drip downwards and are filtered by the first filter frame 5 and the second filter frame 6 to remove impurities. The filtered oil droplets fall into the oil collection tank 4 for collection. The gas in the oil-gas mixture, due to its low density, floats above the oil-gas separation pipe 1 and enters the gas collection chamber 2. As the gas escapes, the oil droplets are blocked by the staggered first baffle plate 7 and the second baffle plate 13, causing the oil droplets to drip downwards and fall into the oil collection tank 4 after being filtered by the first filter frame 5 and the second filter frame 6. The inclined arrangement of the first baffle plate 7 and the second baffle plate 13, combined with the guide groove 12 and the flow separation block 11, accelerates the dripping speed of the oil droplets adhering to the first baffle plate 7 and the second baffle plate 13, thereby improving the efficiency of the device.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. An oil-gas separation and recovery device, comprising an oil-gas separation pipe (1), characterized in that: The top of the oil-gas separator (1) is provided with a gas collection chamber (2), the bottom of the oil-gas separator (1) is provided with an oil collection tank (4) connected to it, one side of the oil-gas separator (1) is provided with an oil-gas flow pipe (3) perpendicular to it, the inner wall of the oil-gas separator (1) above the oil-gas flow pipe (3) is provided with a plurality of evenly distributed first flow-blocking plates (7), the inner wall of the oil-gas separator (1) on the opposite side of the first flow-blocking plates (7) is provided with a plurality of second flow-blocking plates (13) interleaved with it. The first baffle plate (7) and the second baffle plate (13) gradually slope downward from one end close to the inner wall of the oil-gas separation pipe (1) to the other end away from the inner wall of the oil-gas separation pipe (1). Several guide grooves (12) are provided at equal intervals on the top end face of the first baffle plate (7) and the second baffle plate (13). The bottom of the first baffle plate (7) and the second baffle plate (13) is provided with a flow block (11) with a triangular cross-section. The oil-gas separation pipe (1) below the oil-gas flow pipe (3) is provided with a first filter frame (5) and a second filter frame (6) respectively, which are detachable from top to bottom. Both the first filter frame (5) and the second filter frame (6) are provided with a plurality of evenly distributed filter holes (10), and the aperture of the filter hole (10) in the second filter frame (6) is smaller than the aperture of the filter hole (10) in the first filter frame (5).

2. The oil and gas separation and recovery device according to claim 1, characterized in that: The first filter frame (5) and the second filter frame (6) are symmetrically provided with guide plates (9) on both sides, and the oil-gas separation pipe (1) is provided with guide grooves (8) that fit the guide plates (9) on both inner side walls.