Gas-liquid separation device

By designing a gravity separation device that utilizes the density difference between liquids and gases, combined with a demister and a conical tube structure, the problem of easy clogging of the filter medium was solved, achieving efficient and pollution-free gas-liquid separation, reducing operating costs and improving separation efficiency.

CN223959347UActive Publication Date: 2026-03-03ZHONGJING XINKE ENERGY EQUIP (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202520289058.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-03-03
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

In existing technologies, filter media are prone to clogging during gas and liquid separation processes, leading to reduced separation efficiency, increased operating costs and labor intensity, and potential introduction of secondary pollution.

Method used

The gas-liquid separation device, designed based on the principle of gravity separation, utilizes the fact that the density of liquid is greater than that of gas to achieve natural separation through the space formed by the bottom and upper chambers. Combined with a demister and a conical tube structure, it ensures effective separation of gas and liquid, avoiding the introduction of impurities by using chemical substances or filter media.

Benefits of technology

It achieves efficient and pollution-free gas and liquid separation, avoids filter media clogging, reduces operating costs, and improves separation efficiency and equipment operation stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas-liquid separation, and discloses a gas-liquid separation device which comprises a bottom bin and an upper bin, the upper bin is installed on the surface of the bottom bin, the bottom bin is communicated with the upper bin, the surface of the upper bin is communicated with an inlet pipe, the surface of the upper bin is communicated with a gas outlet pipe, the surface of the bottom bin is communicated with a liquid outlet pipe, and the liquid outlet pipe is communicated with a liquid outlet pipe. According to the gas-liquid separation equipment, after a gas-liquid mixture enters a space formed by the bottom bin and the upper bin, due to the fact that the density of the liquid is larger than that of the gas, the liquid naturally sinks under the action of gravity, the gas rises, the liquid falls into the conical pipe and then is discharged from the liquid outlet pipe, and the rising gas enters the gas outlet pipe from the gas collecting pipe; in the settling process, natural separation is generally carried out through gravity, new impurities cannot be introduced, and secondary pollution is not prone to being caused.
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Description

Technical Field

[0001] This utility model relates to the field of gas-liquid separation technology, specifically to a gas-liquid separation device. Background Technology

[0002] In many chemical production processes, reaction products are often mixtures of gases and liquids. Gas-liquid separation is the process of separating the mixed gases and liquids to obtain pure gases or liquids, or to recover both at the same time, to recover and reuse some valuable gaseous or liquid components, to maximize the utilization of resources and reduce production costs.

[0003] When separating a gas-liquid mixture into separate gases and liquids using filtration, the trapped liquid or impurities gradually accumulate on the surface of the filter medium as the filtration process proceeds, leading to a continuous increase in filtration resistance and a gradual decrease in filtration speed. To maintain a certain filtration speed, the filter medium needs to be cleaned or replaced periodically, increasing operating costs and labor intensity. For gas-liquid mixtures containing a large amount of solid impurities or with high viscosity, the filter medium is easily clogged, affecting the separation effect and the normal operation of the equipment. Therefore, we propose a gas-liquid separation device. Utility Model Content

[0004] The purpose of this invention is to provide a gas-liquid separation device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a gas-liquid separation device, comprising a bottom chamber and an upper chamber, wherein the upper chamber is installed on the surface of the bottom chamber, the bottom chamber is connected to the upper chamber, an inlet pipe is connected to the surface of the upper chamber, an outlet pipe is connected to the surface of the upper chamber, and an outlet pipe is connected to the surface of the bottom chamber.

[0006] Preferably, an air collecting pipe is fixedly connected to the inner wall of the upper compartment, the air collecting pipe is connected to the air outlet pipe, and a demister is installed on the inner wall of the air collecting pipe.

[0007] Preferably, a conical tube is fixedly connected to the inner wall of the bottom compartment, the conical tube is connected to the liquid outlet pipe, two limiting rods are fixedly connected to the inner wall of the conical tube, baffles are slidably connected to the surfaces of the two limiting rods, float rings are fixedly connected to the surfaces of the baffles, and the baffles are in contact with the inner wall of the conical tube.

[0008] Preferably, a groove is provided on the side of the bottom compartment near the upper compartment, and an annular plate is fixedly connected to the side of the upper compartment near the bottom compartment. The annular plate slides against the inner wall of the groove. A fixing plate is fixedly connected to the arc surface of the bottom compartment. A threaded rod is rotatably connected to the surface of the fixing plate. An extension plate is threadedly connected to the surface of the threaded rod. The extension plate is fixedly connected to the arc surface of the upper compartment.

[0009] Preferably, a turntable is fixedly connected to the end of the threaded rod away from the fixed plate, and the cross-section of the turntable is in the shape of a cross.

[0010] Preferably, two sealing rings are fixedly connected to the side of the bottom compartment near the upper compartment. The sealing rings are located on both sides of the groove and slide against the surface of the annular plate.

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

[0012] This utility model

[0013] After the gas and liquid mixture enters the space formed by the bottom and upper chambers, the liquid, being denser than the gas, naturally sinks under gravity, while the gas rises. The liquid falls into the conical tube and is then discharged from the liquid outlet pipe. The rising gas enters the gas outlet pipe from the gas collection pipe and is then discharged from the gas outlet pipe, thus achieving the separation of gas and liquid. The sedimentation process usually relies solely on gravity for natural separation, without the addition of other chemical substances or the use of filter media that may contaminate the materials. It does not introduce new impurities and is unlikely to cause secondary pollution, thereby ensuring the separation effect of gas and liquid. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a structural schematic diagram of the present invention from another angle;

[0016] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 4 This utility model Figure 3 Enlarged view of point A in the image;

[0018] Figure 5 This is a schematic diagram of the structure of the gas collecting pipe of this utility model;

[0019] Figure 6 This is a schematic diagram of the tapered tube section of this utility model.

[0020] In the diagram: 1. Bottom compartment; 2. Upper compartment; 3. Inlet pipe; 4. Outlet pipe; 5. Liquid outlet pipe; 6. Gas collecting pipe; 7. Demister; 8. Conical tube; 9. Baffle; 10. Limiting rod; 11. Floating ring; 12. Groove; 13. Annular plate; 14. Fixing plate; 15. Threaded rod; 16. Extension plate; 17. Turntable; 18. Sealing ring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-3 This utility model provides a technical solution: a gas-liquid separation device, including a bottom chamber 1 and an upper chamber 2. The upper chamber 2 is installed on the surface of the bottom chamber 1. The bottom chamber 1 and the upper chamber 2 are connected. An inlet pipe 3 is connected to the surface of the upper chamber 2. An outlet pipe 4 is connected to the surface of the upper chamber 2. An outlet pipe 5 is connected to the surface of the bottom chamber 1.

[0023] By setting up the above technical solution, during the use of this gas-liquid separation structure, the pipeline for conveying the mixture is first connected to the inlet pipe 3, and then the outlet pipe 4 and the liquid outlet pipe 5 are connected to the pipeline for diversion and discharge in sequence. At this time, a separation space is formed in the space connecting the bottom chamber 1 and the upper chamber 2. The mixture will enter the space formed by the bottom chamber 1 and the upper chamber 2 from the inlet pipe 3. After the mixture enters, since the liquid density is greater than that of the gas, the liquid will naturally sink under the action of gravity, while the gas will rise. The liquid will fall into the conical pipe 8 and then be discharged from the liquid outlet pipe 5. The rising gas will enter the outlet pipe 4 from the gas collecting pipe 6 and then be discharged from the outlet pipe 4, thereby achieving the separation of gas and liquid. The sedimentation process usually only uses gravity for natural separation and does not involve the addition of other chemical substances or the use of filter media that may pollute the materials. Generally, no new impurities are introduced, and secondary pollution is not likely to occur.

[0024] Please see Figure 5 The inner wall of the upper chamber 2 is fixedly connected to an air collecting pipe 6, which is connected to an air outlet pipe 4. A demister 7 is installed on the inner wall of the air collecting pipe 6.

[0025] By setting up the above technical solution, when the gas from the sedimentation separation point enters the gas collecting pipe 6, the gas will pass through the demister 7. The demister 7 will capture the liquid droplets carried in the gas, improve the separation efficiency of gas and liquid, and further prevent the liquid from being carried out by the gas.

[0026] Please see Figure 6 A conical tube 8 is fixedly connected to the inner wall of the bottom compartment 1. The conical tube 8 is connected to the liquid outlet pipe 5. Two limiting rods 10 are fixedly connected to the inner wall of the conical tube 8. Baffles 9 are slidably connected to the surfaces of the two limiting rods 10. Floating rings 11 are fixedly connected to the surfaces of the baffles 9. The baffles 9 are in contact with the inner wall of the conical tube 8.

[0027] By setting up the above technical solution, when the liquid flows into the conical tube 8, the liquid will accumulate inside the conical tube 8 because the baffle 9 blocks the connection between the conical tube 8 and the outlet pipe 5. When the liquid in the conical tube 8 reaches a certain height, it will completely seal the baffle 9. Since the floating ring 11 on the surface of the baffle 9 is hollow and contains gas, the floating ring 11 will drive the baffle 9 to move by its own buoyancy in the liquid. The baffle 9 will gradually open to the position where the conical tube 8 and the outlet pipe 5 are connected, so that the liquid can be discharged from the outlet pipe 5. This structure maintains a sufficient liquid level in the conical tube 8 to achieve the effect of sealing the liquid, ensuring that gas is prevented from being discharged from the outlet pipe 5 when the liquid is discharged, and further improving the effect of separating gas and liquid.

[0028] Please see Figure 2-4 A groove 12 is provided on the side of the bottom compartment 1 near the upper compartment 2. An annular plate 13 is fixedly connected to the side of the upper compartment 2 near the bottom compartment 1. The annular plate 13 slides against the inner wall of the groove 12. A fixed plate 14 is fixedly connected to the arc surface of the bottom compartment 1. A threaded rod 15 is rotatably connected to the surface of the fixed plate 14. An extension plate 16 is threadedly connected to the surface of the threaded rod 15. The extension plate 16 is fixedly connected to the arc surface of the upper compartment 2. A turntable 17 is fixedly connected to the end of the threaded rod 15 away from the fixed plate 14. The cross-section of the turntable 17 is cross-shaped. Two sealing rings 18 are fixedly connected to the side of the bottom compartment 1 near the upper compartment 2. The sealing rings 18 are located on both sides of the groove 12 and slide against the surface of the annular plate 13.

[0029] By setting up the above technical solution, rotating the turntable 17 will drive the threaded rod 15 to rotate. The threaded rod 15 will rotate on the surface of the fixed plate 14. The rotation of the threaded rod 15 will drive the extension plate 16 to move through the thread. The movement of the extension plate 16 will drive the upper compartment 2 to move away from the bottom compartment 1. The movement of the upper compartment 2 will drive the annular plate 13 to slide in the groove 12. The movement of the annular plate 13 will gradually disengage from the groove 12. As the upper compartment 2 moves, the internal space formed by the bottom compartment 1 and the upper compartment 2 will gradually increase.

[0030] Specifically, the space in the bottom chamber 1 and the upper chamber 2 is adjusted according to the efficiency of the gas and liquid mixture being discharged from the inlet pipe, thereby providing sufficient space for gas and liquid separation. When the annular plate 13 moves, the sealing ring 18 slides along its surface, thereby improving the sealing effect of the annular plate 13 when it moves in the groove 12, thus preventing the gas entering the bottom chamber 1 and the upper chamber 2 from flowing out from the gap between the groove 12 and the annular plate 13.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gas liquid separation device comprising a lower chamber (1) and an upper chamber (2), characterized in that: The upper chamber (2) is installed on the surface of the lower chamber (1). The lower chamber (1) is connected to the upper chamber (2). The surface of the upper chamber (2) is connected to the inlet pipe (3). The surface of the upper chamber (2) is connected to the outlet pipe (4). The surface of the lower chamber (1) is connected to the liquid outlet pipe (5). The inner wall of the upper chamber (2) is fixedly connected to the gas collecting pipe (6). The gas collecting pipe (6) is connected to the outlet pipe (4). The inner wall of the gas collecting pipe (6) is equipped with a demister (7). The inner wall of the lower chamber (1) is fixedly connected to the conical pipe (8). The conical pipe (8) is connected to the liquid outlet pipe (5). The inner wall of the conical pipe (8) is fixedly connected to two limiting rods (10). The surfaces of the two limiting rods (10) are slidably connected to baffles (9). The surfaces of the baffles (9) are fixedly connected to float rings (11). The baffles (9) are in contact with the inner wall of the conical pipe (8).

2. A gas-liquid separation device according to claim 1, wherein: The bottom compartment (1) has a groove (12) on the side near the upper compartment (2). The upper compartment (2) is fixedly connected to an annular plate (13) on the side near the bottom compartment (1). The annular plate (13) slides against the inner wall of the groove (12). The arc surface of the bottom compartment (1) is fixedly connected to a fixing plate (14). The surface of the fixing plate (14) is rotatably connected to a threaded rod (15). The surface of the threaded rod (15) is threadedly connected to an extension plate (16). The extension plate (16) is fixedly connected to the arc surface of the upper compartment (2).

3. A gas-liquid separation device according to claim 2, wherein: The threaded rod (15) is fixedly connected to a turntable (17) at the end away from the fixed plate (14), and the cross-section of the turntable (17) is "+".

4. A gas-liquid separation device according to claim 3, wherein: Two sealing rings (18) are fixedly connected to the side of the bottom compartment (1) near the upper compartment (2). The sealing rings (18) are located on both sides of the groove (12) and slide against the surface of the annular plate (13).