A three-phase separator inlet buffer liquid distribution device

Abstract

The application discloses a kind of three-phase separator entrance buffer liquid distribution devices, and its technical scheme main points are: including three-phase separator body, the liquid inlet buckle fixed sleeve of three-phase separator body is equipped with conveying pipe, the inside fixed connection of three-phase separator body is equipped with baffle;Desymmetrization plate, the desymmetrization plate fixed connection in the inside of conveying pipe;When staff connects with liquid pipeline after connecting disc, so that mixed liquid first enters the inside of three-phase separator body through conveying pipe, when flowing through desymmetrization plate, first eliminate liquid flow rotation kinetic energy, then after buffer cover reduces fluid impact speed, subsequently liquid is evenly dispersed after entering the inside of three-phase separator body through the water hole of control board and buffer cover on buffer cover, finally baffle further blocks high-speed liquid flow and guides liquid to diffuse steadily, reduces liquid flow bias flow and local impact, so that the liquid flow distribution that enters the inside of three-phase separator body is more uniform, creates good flow field condition for subsequent oil, water and gas stable separation.

Description

Technical Field

[0001] This invention relates to the field of three-phase separator technology, and more specifically to a three-phase separator inlet buffer liquid distribution device. Background Technology

[0002] Three-phase separators are widely used in oil extraction, natural gas processing, oilfield gathering and transportation, chemical separation, and wastewater treatment. Their main function is to efficiently separate oil, water, and natural gas, three different phase media. In actual production processes, the mixed fluid from the wellhead or pipeline usually has a high flow velocity and carries a large number of bubbles, droplets, and solid particles. When the high-speed fluid directly enters the three-phase separator, it creates a large impact force and turbulence zone, resulting in significant fluctuations in the liquid level inside the separator. This leads to gas-liquid remixing, affecting oil droplet coalescence, water droplet settling, and gas escape, thereby reducing the overall separation efficiency.

[0003] For example, Chinese patent CN204798904U discloses a three-phase separator, which includes a three-phase separator and its internal components such as an energy separator, baffles, weirs, water pipes, oil pipes, a mist-catching assembly, and a coalescing packing device. The three-phase separator is horizontal, equipped with lifting lugs, and has end caps welded to both ends, supported by a saddle. The inlet oil-gas-water medium is pre-separated by the energy separator before entering the three-phase separator for further separation. The baffles divide the separator into multiple shell passes, where oil-gas-water three-phase separation occurs. Between adjacent shell passes, water and oil phases are introduced into the next shell pass via water and oil pipes respectively for continued phase separation. This invention overcomes the drawback of traditional horizontal three-phase separators having a large footprint, features a simple structure, high separation efficiency, and enables automatic continuous separation of crude oil, making it suitable for oil, gas, and water treatment processes in onshore oil and gas fields and offshore platforms. However, in practical applications, this scheme only has simple guide plates, impact plates, or baffle structures at the inlet of the three-phase separator. Although the high-speed mixed fluid can reduce some of the flow velocity after impacting the baffle, the liquid flow is still prone to concentrate and flow to local areas, forming obvious flow deviation. This results in uneven liquid distribution, excessively high flow velocity in some areas, and insufficient flow in other areas, which can easily cause short-circuiting, backflow, and secondary disturbances. This is not conducive to subsequent gravity settling and oil-water stratification. To solve the above problems, we propose a buffer liquid distribution device at the inlet of a three-phase separator. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a buffer liquid distribution device for the inlet of a three-phase separator, which solves the problem that the liquid flow is still prone to concentrate in local areas, forming obvious flow deviation, resulting in uneven liquid distribution, excessively high flow velocity in local areas, and insufficient flow in other areas, which easily leads to short-circuiting, backflow, and secondary disturbance, which is not conducive to subsequent gravity settling and oil-water stratification.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: A three-phase separator inlet buffer liquid distribution device, comprising: The three-phase separator body has a liquid inlet buckle fixedly fitted with a conveying pipe, and a baffle is fixedly connected inside the three-phase separator body. An anti-swirl plate is fixedly connected inside the conveying pipe, and a buffer cover is fixedly connected inside the conveying pipe. A control board is movably fitted inside the conveying pipe. Water flow holes are provided on the outer wall of the buffer cover and one side of the control board. An installation frame is fixedly connected to one end of the conveying pipe. Two adjusting plates are disposed inside the mounting frame, and a connecting plate is fixedly connected to one end of the conveying pipe; An anti-swirl component is disposed on one side of the anti-swirl plate to eliminate swirling currents; A connecting component is disposed on one side of the control panel and is used to connect the control panel to the adjustment plate.

[0006] Preferably, the despinning component includes: A control hole is provided on one side of the anti-swirl plate, and an adjusting rod is rotatably installed inside the control hole; Several diverting plates are fixedly connected to the outer wall of the regulating rod. The top, bottom, left and right sides of the anti-swirl plate are provided with placement grooves. The diverting plates are movably fitted together with the placement grooves. An adjusting component is disposed on one side of the anti-swirl plate and is used to adjust the position of the flow divider plate.

[0007] Preferably, the adjusting member includes: A main bevel gear is fixedly connected to one end of the adjusting rod, and a placement box is fixedly connected to one side of the anti-rotation plate. A rotation hole is opened on the top surface of the placement box. A rotating rod is rotatably mounted inside the rotating hole, and a secondary bevel gear is fixedly connected to the bottom end of the rotating rod. The primary bevel gear meshes with the secondary bevel gear.

[0008] Preferably, the top surface of the conveying pipe has a through hole, the rotating rod is rotatably mounted together with the through hole, a plurality of sealing rings are fixedly connected to the outer wall surface of the rotating rod, the top surface of the rotating rod has a connecting groove, a connecting block is slidably mounted inside the connecting groove, and a rotating plate is fixedly connected to the top surface of the connecting block.

[0009] Preferably, the connecting component includes: A connecting rod is fixedly connected to one side of the control panel, and a pull plate is rotatably mounted on both the top and bottom surfaces of the connecting rod; Mounting plate, which is fixedly connected to one side of the adjusting plate, and is rotatably mounted together with the pulling plate; A positioning element is disposed inside the mounting frame and is used to position the adjustment plate.

[0010] Preferably, the positioning element includes: A plurality of rotating slots are respectively formed on the top and bottom surfaces inside the mounting frame. The top and bottom surfaces of the adjusting plate are fixedly connected to rotating shafts, and the rotating shafts are rotatably mounted together with the rotating slots. A plurality of sliding grooves are formed on the inner wall of the conveying pipe, and a plurality of sliding blocks are fixedly connected to the outer wall of the control plate, the sliding blocks being slidably installed together with the sliding grooves.

[0011] Preferably, a tension spring is fixedly connected to one side of the sliding groove, one end of the tension spring is fixedly connected to one side of the sliding block, a limit frame is fixedly connected inside the conveying pipe, and the connecting rod is movably sleeved with the limit frame.

[0012] Preferably, a flow guide is fixedly connected to one side of the buffer cover, a fixed frame is fixedly connected to the bottom surface of the rotating plate, a fixed groove is provided on the outer wall of the conveying pipe, and the fixed frame and the fixed groove are movably fitted together.

[0013] In summary, the present invention has the following main beneficial effects: By setting up a three-phase separator body, when the operator connects the connecting plate to the liquid pipeline, the mixed liquid first enters the three-phase separator body through the delivery pipe. When it flows through the deswirl plate, the rotational kinetic energy of the liquid flow is eliminated. Then, it passes through the buffer cover to reduce the fluid impact velocity. Subsequently, the liquid is evenly dispersed through the water flow holes on the control plate and the buffer cover before entering the three-phase separator body. Finally, the baffle further blocks the high-speed liquid flow and guides the liquid to diffuse smoothly, thereby reducing the inlet flow velocity, reducing liquid flow deviation and local impact, and making the liquid flow distribution inside the three-phase separator body more uniform. This creates good flow field conditions for the subsequent stable separation of oil, water and gas. At the same time, the two regulating plates can adjust the angle of the liquid flowing out of the delivery pipe, so that the liquid can be dispersed at different positions of the baffle, avoiding the liquid flow from concentrating in local areas. This ensures sufficient flow in other areas of the three-phase separator body, which facilitates subsequent gravity sedimentation and oil-water stratification. By setting an adjusting rod, when the adjusting rod is rotated, it can drive several diverting plates to rotate synchronously, causing the diverting plates to extend or retract into the placement tank respectively. This changes the guiding angle and flow area of ​​the internal flow channel of the anti-swirl plate, cutting and diverting the swirling flow entering the delivery pipe, weakening the liquid rotation speed, and allowing the liquid to be evenly dispersed into the buffer cover area. This reduces the liquid flow bias to one side, improves the uniformity of liquid distribution at the inlet, and reduces subsequent liquid disturbance. By setting a connecting rod, when the liquid flow impact in the delivery pipe is large, the flowing liquid can impact the control plate, causing the control plate to move inside the delivery pipe. At this time, the connecting rod can drive the adjusting plates on both sides to rotate synchronously by pulling the plate, so that the adjusting plates change the guiding angle according to the position of the control plate, allowing the liquid to be evenly distributed to different areas of the baffle, reducing concentrated liquid flow impact, and improving the uniformity of liquid distribution. By setting a tension spring, when the control plate moves downstream due to the impact of the liquid flow, the sliding block can stretch the tension spring. At this time, the control plate automatically adjusts its position according to the inlet flow rate, changing the distance between the buffer cover and the control plate. When the inlet flow rate decreases, the tension spring releases its tension and pulls the control plate to reset, so that the device automatically returns to its initial state, realizing adaptive buffering adjustment under different flow conditions. At the same time, the limit frame can guide and limit the connecting rod, ensuring that the connecting rod maintains stable movement during the movement of the control plate. This allows the liquid flow to complete continuous processing of deswirl, buffering and liquid distribution before entering the three-phase separator body, effectively reducing short-circuiting, backflow and secondary disturbances, improving the uniformity of the inlet flow field of the three-phase separator and the efficiency of subsequent oil, gas and water three-phase separation. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the baffle structure of the present invention; Figure 3 This is a schematic diagram of the conveying pipe structure of the present invention; Figure 4 This is a schematic diagram of the control board structure of the present invention; Figure 5 This is a schematic diagram of the anti-spin plate structure of the present invention; Figure 6 yes Figure 4 A magnified schematic diagram of the structure of part A in the diagram; Figure 7 This is a schematic diagram of the rotating rod structure of the present invention; Figure 8 This is a schematic diagram of the mounting frame structure of the present invention; Figure 9 This is a schematic diagram of the buffer cover structure of the present invention.

[0015] Reference numerals in the attached drawings: 1. Three-phase separator body; 2. Conveying pipe; 3. Baffle; 4. Anti-swirl plate; 5. Buffer cover; 6. Control plate; 7. Mounting frame; 8. Adjusting plate; 9. Connecting plate; 10. Control hole; 11. Adjusting rod; 12. Diverter plate; 13. Placement slot; 14. Main bevel gear; 15. Placement box; 16. Rotation hole; 17. Rotating rod; 18. Secondary bevel gear; 19. Through hole; 20. Sealing ring; 21. Connecting slot; 22. Connecting block; 23. Rotating plate; 24. Connecting rod; 25. Pulling plate; 26. Mounting plate; 27. Rotation slot; 28. Rotating shaft; 29. ​​Sliding slot; 30. Sliding block; 31. Water flow hole; 32. Tension spring; 33. Limiting frame; 34. Flow guide cover; 35. Fixing frame; 36. Fixing slot. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] refer to Figure 1 - Figure 9 A three-phase separator inlet buffer liquid distribution device includes: a three-phase separator body 1, a conveying pipe 2 fixedly sleeved on the liquid inlet buckle of the three-phase separator body 1, a baffle 3 fixedly connected inside the three-phase separator body 1, an anti-swirl plate 4 fixedly connected inside the conveying pipe 2, a buffer cover 5 fixedly connected inside the conveying pipe 2, a control plate 6 movably sleeved inside the conveying pipe 2, water flow holes 31 opened on the outer wall of the buffer cover 5 and one side of the control plate 6, an installation frame 7 fixedly connected to one end of the conveying pipe 2, two adjusting plates 8, both adjusting plates 8 are set inside the installation frame 7, a connecting plate 9 fixedly connected to one end of the conveying pipe 2, an anti-swirl component provided on one side of the anti-swirl plate 4 for eliminating swirling flow, and a connecting component provided on one side of the control plate 6 for connecting the control plate 6 and the adjusting plate 8. By setting up the three-phase separator body 1, when the operator connects the connecting plate 9 to the liquid pipeline, the mixed liquid first enters the interior of the three-phase separator body 1 through the delivery pipe 2. When it flows through the deswirl plate 4, the rotational kinetic energy of the liquid flow is eliminated. Then, it passes through the buffer cover 5 to reduce the fluid impact velocity. Subsequently, the liquid is evenly dispersed through the control plate 6 and the water flow holes 31 on the buffer cover 5 before entering the interior of the three-phase separator body 1. Finally, the baffle 3 further blocks the high-speed liquid flow and guides the liquid to diffuse smoothly, thereby reducing the inlet flow velocity, reducing liquid flow deviation and local impact, and making the liquid flow distribution inside the three-phase separator body 1 more uniform. This creates good flow field conditions for the subsequent stable separation of oil, water and gas. At the same time, the two regulating plates 8 can adjust the angle of the liquid flowing out of the delivery pipe 2, so that the liquid can be dispersed at different positions of the baffle 3, avoiding the liquid flow from concentrating in local areas. This ensures sufficient flow in other areas of the three-phase separator body 1, which facilitates subsequent gravity sedimentation and oil-water stratification.

[0018] As a further embodiment of the present invention, the anti-swirl component includes a control hole 10, which is located on one side of the anti-swirl plate 4. An adjusting rod 11 is rotatably mounted inside the control hole 10. Several diverting plates 12 are fixedly connected to the outer wall of the adjusting rod 11. Placement slots 13 are provided on the top surface, bottom surface, and left and right sides of the anti-swirl plate 4. The diverting plates 12 are movably fitted together with the placement slots 13. An adjusting member is provided on one side of the anti-swirl plate 4 for adjusting the position of the diverting plates 12. By setting the regulating rod 11, when the regulating rod 11 is rotated, the regulating rod 11 can drive several diverting plates 12 to rotate synchronously, so that the diverting plates 12 extend or retract into the placement tank 13 respectively, thereby changing the guiding angle and flow area of ​​the internal flow channel of the anti-swirl plate 4, cutting and diverting the swirling flow entering the delivery pipe 2, weakening the liquid rotation speed, making the liquid evenly dispersed into the buffer cover 5 area, reducing the liquid flow bias to one side, improving the uniformity of inlet liquid distribution, and reducing subsequent liquid disturbance.

[0019] As a further embodiment of the present invention, the adjusting component includes a main bevel gear 14, which is fixedly connected to one end of the adjusting rod 11. A placement box 15 is fixedly connected to one side of the anti-rotation plate 4. A rotation hole 16 is provided on the top surface of the placement box 15. A rotating rod 17 is rotatably installed inside the rotation hole 16. A secondary bevel gear 18 is fixedly connected to the bottom end of the rotating rod 17. The main bevel gear 14 and the secondary bevel gear 18 mesh together. By setting the main bevel gear 14, when the rotating rod 17 is rotated, the secondary bevel gear 18 can drive the main bevel gear 14 to rotate synchronously, thereby driving the regulating rod 11 to rotate, so that several diverting plates 12 can be adjusted at the same angle. The anti-swirl structure adjustment can be completed without disassembling the delivery pipe 2. The flow guiding state can be quickly adjusted according to different flow rates and different flow velocity conditions, so that the liquid flow always maintains a good flow uniformity effect and improves the adaptability of the device.

[0020] As a further embodiment of the present invention, the top surface of the conveying pipe 2 is provided with a through hole 19, the rotating rod 17 is rotatably mounted together with the through hole 19, a plurality of sealing rings 20 are fixedly connected to the outer wall surface of the rotating rod 17, the top surface of the rotating rod 17 is provided with a connecting groove 21, a connecting block 22 is slidably mounted inside the connecting groove 21, and a rotating plate 23 is fixedly connected to the top surface of the connecting block 22. By setting the rotating rod 17, when the rotating rod 17 can pass through the through hole 19 and rotate to connect with the conveying pipe 2, the sealing ring 20 can seal the connection between the rotating rod 17 and the conveying pipe 2 to prevent liquid leakage. At the same time, after the operator rotates the rotating plate 23, the rotating plate 23 can rotate the rotating rod 17 through the connecting block 22, thereby adjusting the position of the diverter plate 12.

[0021] As a further embodiment of the present invention, the connecting component includes a connecting rod 24, which is fixedly connected to one side of the control plate 6. A pull plate 25 is rotatably mounted on both the top and bottom surfaces of the connecting rod 24. An mounting plate 26 is fixedly connected to one side of the adjusting plate 8. The mounting plate 26 and the pull plate 25 are rotatably mounted together. A positioning component is provided inside the mounting frame 7 for positioning the adjusting plate 8. By setting the connecting rod 24, when the liquid flow impact in the delivery pipe 2 is large, the flowing liquid can impact the control plate 6, causing the control plate 6 to move inside the delivery pipe 2. At this time, the connecting rod 24 can drive the adjusting plates 8 on both sides to rotate synchronously by pulling the plate 25, so that the adjusting plates 8 change the guiding angle according to the position of the control plate 6, so that the liquid can be evenly distributed to different areas of the baffle 3, reducing the concentrated impact of the liquid flow and improving the uniformity of liquid distribution.

[0022] As a further embodiment of the present invention, the positioning component includes a plurality of rotating grooves 27, which are respectively opened on the top and bottom surfaces inside the mounting frame 7. The top and bottom surfaces of the adjusting plate 8 are fixedly connected to rotating shafts 28, which are rotatably mounted together with the rotating grooves 27. The inner wall surface of the conveying pipe 2 is provided with a plurality of sliding grooves 29, and the outer wall surface of the control plate 6 is fixedly connected with a plurality of sliding blocks 30, which are slidably mounted together with the sliding grooves 29. By setting the rotating shaft 28, since the rotating shaft 28 and the rotating groove 27 are rotatably installed together, the adjusting plate 8 can be rotated and adjusted stably; the sliding block 30 on the outer wall of the control plate 6 is slidably engaged with the sliding groove 29, which can guide and limit the control plate 6, so that the control plate 6 always moves smoothly along the axis of the conveying pipe 2, avoids the control plate 6 from tilting, improves the adjustment accuracy, and enables the adjusting plate 8 to maintain synchronous flow guidance, thereby improving the uniform distribution effect of the inlet liquid flow.

[0023] As a further embodiment of the present invention, a tension spring 32 is fixedly connected to one side of the sliding groove 29, one end of the tension spring 32 is fixedly connected to one side of the sliding block 30, and a limit frame 33 is fixedly connected inside the conveying pipe 2, with the connecting rod 24 movably sleeved together with the limit frame 33. By setting the tension spring 32, when the control plate 6 is impacted by the liquid flow and moves downstream, the sliding block 30 can stretch the tension spring 32. At this time, the control plate 6 automatically adjusts its position according to the inlet flow rate, changing the distance between the buffer cover 5 and the control plate 6. When the inlet flow rate decreases, the tension spring 32 releases its tension and pulls the control plate 6 to reset, so that the device automatically returns to its initial state, realizing adaptive buffer adjustment under different flow conditions. At the same time, the limit frame 33 can guide and limit the connecting rod 24 to ensure that the connecting rod 24 maintains stable movement during the movement of the control plate 6.

[0024] As a further embodiment of the present invention, a flow guide 34 is fixedly connected to one side of the buffer cover 5, a fixed frame 35 is fixedly connected to the bottom surface of the rotating plate 23, and a fixed groove 36 is opened on the outer wall surface of the conveying pipe 2. The fixed frame 35 and the fixed groove 36 are movably fitted together. By setting the flow guide shroud 34, the flow guide shroud 34 can guide the liquid flow to spread evenly in all directions, avoiding the liquid directly impacting the buffer shroud 5 to form a local high-speed flow zone; thus, the liquid flow completes continuous processing of deswirl, buffering and liquid distribution before entering the interior of the three-phase separator body 1, effectively reducing short-circuiting, backflow and secondary disturbance, improving the uniformity of the inlet flow field of the three-phase separator and the subsequent oil, gas and water three-phase separation efficiency.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A buffer liquid distribution device for the inlet of a three-phase separator, characterized in that, include: The three-phase separator body (1) has a conveying pipe (2) fixedly sleeved on its inlet buckle, and a baffle (3) is fixedly connected inside the three-phase separator body (1). An anti-swirl plate (4) is fixedly connected inside the conveying pipe (2), and a buffer cover (5) is fixedly connected inside the conveying pipe (2). The control board (6) is movably sleeved inside the conveying pipe (2). The outer wall of the buffer cover (5) and one side of the control board (6) are provided with water flow holes (31). One end of the conveying pipe (2) is fixedly connected to the mounting frame (7). Two adjusting plates (8) are provided inside the mounting frame (7), and a connecting plate (9) is fixedly connected to one end of the conveying pipe (2). An anti-swirl component is disposed on one side of the anti-swirl plate (4) for eliminating swirling flow; A connecting component is disposed on one side of the control plate (6) for connecting the control plate (6) to the adjustment plate (8).

2. The three-phase separator inlet buffer liquid distribution device according to claim 1, characterized in that, The desiccation component includes: A control hole (10) is provided on one side of the anti-swirl plate (4), and an adjusting rod (11) is rotatably installed inside the control hole (10). Several diversion plates (12) are fixedly connected to the outer wall of the regulating rod (11). The top, bottom and left and right sides of the anti-swirl plate (4) are provided with placement slots (13). The diversion plates (12) and the placement slots (13) are movably fitted together. An adjusting member is provided on one side of the anti-swirl plate (4) for adjusting the position of the diverter plate (12).

3. The inlet buffer liquid distribution device for a three-phase separator according to claim 2, characterized in that, The adjusting element includes: The main bevel gear (14) is fixedly connected to one end of the adjusting rod (11), and a placement box (15) is fixedly connected to one side of the anti-rotation plate (4). A rotation hole (16) is opened on the top surface of the placement box (15). A rotating rod (17) is rotatably installed inside the rotating hole (16). A secondary bevel gear (18) is fixedly connected to the bottom end of the rotating rod (17). The main bevel gear (14) meshes with the secondary bevel gear (18).

4. The inlet buffer liquid distribution device for a three-phase separator according to claim 3, characterized in that, The top surface of the conveying pipe (2) is provided with a through hole (19), the rotating rod (17) is rotatably installed together with the through hole (19), a number of sealing rings (20) are fixedly connected to the outer wall surface of the rotating rod (17), the top surface of the rotating rod (17) is provided with a connecting groove (21), a connecting block (22) is slidably installed inside the connecting groove (21), and a rotating plate (23) is fixedly connected to the top surface of the connecting block (22).

5. The inlet buffer liquid distribution device for a three-phase separator according to claim 1, characterized in that, The connecting component includes: A connecting rod (24) is fixedly connected to one side of the control panel (6), and a pull plate (25) is rotatably installed on both the top and bottom surfaces of the connecting rod (24). Mounting plate (26), which is fixedly connected to one side of the adjusting plate (8), and the mounting plate (26) is rotatably mounted together with the pulling plate (25); A positioning element is disposed inside the mounting frame (7) for positioning the adjustment plate (8).

6. The inlet buffer liquid distribution device for a three-phase separator according to claim 5, characterized in that, The positioning element includes: A plurality of rotating slots (27) are respectively opened on the top and bottom surfaces inside the mounting frame (7). The top and bottom surfaces of the adjusting plate (8) are fixedly connected to rotating shafts (28), and the rotating shafts (28) are rotatably mounted together with the rotating slots (27). A number of sliding grooves (29) are provided on the inner wall of the conveying pipe (2). A number of sliding blocks (30) are fixedly connected to the outer wall of the control plate (6). The sliding blocks (30) are slidably installed together with the sliding grooves (29).

7. The inlet buffer liquid distribution device for a three-phase separator according to claim 6, characterized in that, A tension spring (32) is fixedly connected to one side of the sliding groove (29), and one end of the tension spring (32) is fixedly connected to one side of the sliding block (30). A limit frame (33) is fixedly connected inside the conveying pipe (2), and the connecting rod (24) is movably sleeved with the limit frame (33).

8. The inlet buffer liquid distribution device for a three-phase separator according to claim 4, characterized in that, A flow guide (34) is fixedly connected to one side of the buffer cover (5), a fixed frame (35) is fixedly connected to the bottom surface of the rotating plate (23), and a fixed groove (36) is opened on the outer wall of the conveying pipe (2). The fixed frame (35) and the fixed groove (36) are movably fitted together.

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