Gas-liquid separator
By designing non-communicating channels and a gas-liquid isolation membrane structure in the gas-liquid separator, the problem of unstable separation effect in the existing technology is solved, achieving stable and efficient gas-liquid separation, and facilitating maintenance.
Patent Information
- Application Number
- CN202520384055.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In existing technologies, the separation effect of gas-liquid separators is unstable, gravity sedimentation and centrifugal separation are difficult to control, and membrane separation methods require frequent replacement and are easily damaged, resulting in unstable gas-liquid separation operation.
Design a gas-liquid separator with two non-conductive channels A and B inside the gas filter guide column. Channel A is used for impurity deposition, and channel B is equipped with a gas-liquid isolation membrane structure. By combining physical sedimentation and molecular membrane purification, gas-liquid separation is achieved.
It achieves stable gas-liquid separation, facilitates disassembly, cleaning, and replacement of the gas-liquid separation membrane, and improves the service life and separation efficiency of the equipment.
Smart Images

Figure CN223818403U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of gas-liquid separation, and more specifically, to a gas-liquid separator. Background Technology
[0002] Gas-liquid separation refers to the separation of gas and liquid mixtures. It is applied in most industrial production fields. In gas detection, the probe of the detection instrument cannot be corroded by oil and water impurities in the gas. Therefore, gas-liquid separation is required to protect the gas detection instrument. When dealing with the problem of water and oil impurities in the gas, gravity sedimentation, centrifugation, or membrane separation methods are usually used. Gravity sedimentation and centrifugation are physical separations, and the separation effect is difficult to control. Membrane separation requires regular membrane replacement, and the membrane is easily damaged, resulting in loss of gas-liquid separation efficiency, which makes the gas-liquid separation work unstable and needs to be improved. Therefore, we propose a gas-liquid separator. Utility Model Content
[0003] In view of the above-mentioned technical problems in related technologies, this utility model provides a gas-liquid separator that can solve the above problems.
[0004] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows:
[0005] A gas-liquid separator includes a gas filter interface rod, a gas filter upper shell, a gas filter liquid storage cylinder, and a gas filter lower shell. The gas filter interface rod is threadedly connected to the inlet end of the gas filter upper shell. The gas filter upper shell and the gas filter lower shell are threadedly connected to both ends of the gas filter liquid storage cylinder. A gas filter guide post is embedded inside the gas filter liquid storage cylinder. Both ends of the gas filter guide post are embedded and connected to the gas channels of the gas filter upper shell and the gas filter lower shell, respectively. The two ends of the gas filter guide post have non-communicating channels A and B. Channel A is connected to the gas channel of the gas filter upper shell, and channel B is connected to the gas channel of the gas filter lower shell. The end of channel A has a vertical air passage A that communicates with the inner cavity of the gas filter liquid storage cylinder. The beginning end of channel B has an oblique air passage B that communicates with the inner cavity of the gas filter liquid storage cylinder. A gas-liquid separation membrane structure is embedded at the opening end of the oblique air passage B.
[0006] Furthermore, the gas-liquid isolation membrane structure includes an annular seat and a gas-liquid isolation membrane fixed to the inner wall of the annular seat.
[0007] Furthermore, a sealing ring A is inlaid on the outer circumferential surface of the annular seat. The sealing ring A is made of nitrile rubber, and a lifting buckle is fixedly installed on both sides of the end face of the annular seat.
[0008] Furthermore, the gas filter interface rod head is snapped into the output interface, and the output interface is installed in close contact with the gas filter upper shell head through the gas filter interface rod.
[0009] Furthermore, a rubber ring B is embedded in the inner cavity of the gas filter interface rod head end, and a rubber ring C is embedded in the inner cavity of the gas filter interface rod tail end.
[0010] Furthermore, rubber rings D are provided at both ends of the gas filter storage cylinder, and rubber ring E is embedded between the tail end of the gas filter guide column and the gas channel of the lower shell of the gas filter. Rubber ring B is made of nitrile rubber, and rubber rings C, D, and E are all made of fluororubber.
[0011] Furthermore, the lower shell of the gas filter has a right-angle air passage that communicates with the inner cavity of the gas filter's liquid storage cylinder. The outlet end of the right-angle air passage is threaded with a drain knob, and a rubber ring F is embedded in the outlet end of the right-angle air passage. The rubber ring F is made of nitrile rubber.
[0012] The beneficial effects of this utility model are as follows: The gas filter guide column of this application device is provided with two non-conductive three-way air channels. The gas carrying water-liquid mixture impurities enters the liquid storage cylinder through the first three-way air channel. The water-liquid mixture impurities are placed in the liquid storage cylinder. The gas enters the gas filter guide column through the second three-way air channel and is discharged. Furthermore, the inlet end of the second three-way air channel is provided with a gas-liquid isolation membrane structure to allow the gas to pass through and isolate the water-liquid macromolecular mixture impurities, thereby achieving the function of gas-liquid separation and purification.
[0013] The output interface, gas filter interface rod, gas filter upper shell, gas filter liquid storage cylinder, and gas filter lower shell of this device all adopt threaded connection, which facilitates disassembly and cleaning of the inner cavity and cleaning and replacement of the gas-liquid isolation membrane structure. A drain knob is set to periodically drain water-liquid mixture impurities. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] The present invention will now be described in further detail with reference to the accompanying drawings.
[0016] Figure 1 This is a schematic diagram of the external structure of a gas-liquid separator;
[0017] Figure 2 This is a cross-sectional view of the internal structure of a gas-liquid separator;
[0018] Figure 3 This is a schematic diagram of the gas-liquid separation membrane structure.
[0019] In the picture:
[0020] 1. Output interface; 2. Rubber ring B; 3. Gas filter interface rod; 4. Rubber ring C; 5. Gas filter upper shell; 6. Gas filter liquid reservoir; 7. Rubber ring D; 8. Gas filter lower shell; 9. Rubber ring E; 10. Rubber ring F; 11. Drain knob; 12. Gas filter guide post; 13. Gas-liquid isolation membrane structure; 1301. Annular seat; 1302. Gas-liquid isolation membrane; 1303. Sealing ring A; 1304. Lifting buckle. 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.
[0022] like Figure 1-3 As shown, this utility model discloses a gas-liquid separator, including a gas filter interface rod 3, a gas filter upper shell 5, a gas filter storage cylinder 6, and a gas filter lower shell 8. The gas filter interface rod 3 is threadedly connected to the inlet end of the gas filter upper shell 5. The gas filter upper shell 5 and the gas filter lower shell 8 are respectively threadedly connected to both ends of the gas filter storage cylinder 6. A gas filter guide post 12 is embedded inside the gas filter storage cylinder 6. Both ends of the gas filter guide post 12 are respectively embedded and connected to the gas channels of the gas filter upper shell 5 and the gas filter lower shell 8. The two ends of the gas filter guide post 12 are respectively provided with non-communicating channels A and B. Channel A is connected to the gas channel of the gas filter upper shell 5. The gas filter is connected to the gas channel of the lower shell 8 of the gas filter. At the end of the channel A, a vertical air passage A is opened, which is connected to the inner cavity of the gas filter reservoir 6. At the beginning of the channel B, an oblique air passage B is opened, which is connected to the inner cavity of the gas filter reservoir 6. The oblique air passage B is conducive to guiding the water-oil mixture into the inner cavity of the gas filter reservoir 6, and at the same time plays a certain role in preventing backflow. The opening end of the oblique air passage B is inlaid with a gas-liquid isolation membrane structure 13. The side wall of the lower shell 8 of the gas filter is opened with a right-angle air passage that is connected to the inner cavity of the gas filter reservoir 6. The outlet end of the right-angle air passage is threaded with a drain knob 11. The outlet end of the right-angle air passage is inlaid with a rubber ring F10, which is made of nitrile rubber.
[0023] Example 1: The gas filter interface rod 3 has a channel inside. The head end of the gas filter interface rod 3 is T-shaped. The gas filter interface rod 3 is first embedded and fitted into the output interface 1. Then, the tail end of the gas filter interface rod 3 is threaded and fitted into the head end of the gas filter upper shell 5. The output interface 1 and the head end of the gas filter upper shell 5 can be closely connected. The inner cavity of the head end of the output interface 1 is threaded for mating with the equipment interface. Before the tail end of the gas filter interface rod 3 is threaded and fitted into the head end of the gas filter upper shell 5, a rubber ring C4 is inserted to improve the sealing performance.
[0024] Gas filter guide post 12 is installed inside the gas filter storage cylinder 6. The head end of the gas filter guide post 12 is engaged with the internal channel of the upper gas filter shell 5, and the tail end of the gas filter guide post 12 is engaged with the internal channel of the lower gas filter shell 8. The upper gas filter shell 5 and the lower gas filter shell 8 are respectively threaded to both ends of the gas filter storage cylinder 6. Before engagement, rubber rings D7 are inserted into both ends of the gas filter storage cylinder 6 to improve sealing.
[0025] Before the drain knob 11 is screwed into the right-angle air passage, a rubber ring F10 is inserted. The gas containing water-liquid macromolecular impurities passes through the output interface 1, the gas filter interface rod 3, and the upper shell of the gas filter 5 in sequence. Then it enters from the channel A at the head of the gas filter guide column 12. Channel A is a three-channel. The gas containing water-liquid macromolecular impurities enters from the single channel and exits from the double channel. It enters the gas filter storage cylinder 6. Due to the weight of the water-liquid macromolecular impurities, they will settle near the drain knob 11. The gas passes through the gas-liquid isolation membrane structure 13 and enters the channel B. Finally, the purified gas is discharged from the output channel of the lower shell 8 of the gas filter.
[0026] The gas-liquid separation membrane 1302 of the gas-liquid separation membrane structure 13 is made of polytetrafluoroethylene membrane or porous carbon membrane. Polytetrafluoroethylene membrane has excellent chemical stability and corrosion resistance. The polytetrafluoroethylene membrane achieves the function of gas passage and separation of large molecular water and oil molecules through micro-opening process.
[0027] In the preferred technical solution, the gas-liquid isolation membrane structure 13 includes an annular seat 1301 and a gas-liquid isolation membrane 1302 fixed to the inner wall of the annular seat 1301. A sealing ring A1303 is embedded on the outer circumferential surface of the annular seat 1301. The sealing ring A1303 is made of nitrile rubber. Lifting buckles 1304 are fixedly provided on both sides of the end face of the annular seat 1301. The sealing ring A1303 helps to improve the stability of the gas-liquid isolation membrane structure 13 installation. The lifting buckles 1304 facilitate the removal of the gas-liquid isolation membrane structure 13 for cleaning or replacement.
[0028] In the preferred technical solution, the end of the gas filter interface rod 3 is embedded inside the output interface 1, and the output interface 1 is tightly fitted to the end of the gas filter upper shell 5 through the gas filter interface rod 3.
[0029] In the preferred technical solution, a rubber ring B2 is embedded in the inner cavity of the gas filter interface rod 3 at the head end, a rubber ring C4 is embedded in the inner cavity of the gas filter interface rod 3 at the tail end, rubber rings D7 are provided at both ends of the gas filter storage cylinder 6, and a rubber ring E9 is embedded between the tail end of the gas filter guide post 12 and the gas channel of the lower shell 8 of the gas filter. The rubber ring B2 is made of nitrile rubber, while the rubber rings C4, D7, and E9 are all made of fluororubber. Fluororubber and nitrile rubber have strong oil resistance, high temperature resistance, and chemical corrosion resistance. Compared with nitrile rubber, fluororubber has better insulation properties.
[0030] In summary, the gas filter guide column 12 is equipped with two non-communicating three-way air passages. The gas carrying water-liquid mixture impurities enters the gas filter storage tank 6 through the first three-way air passage. The water-liquid mixture impurities are placed in the gas filter storage tank 6, and the gas enters the gas filter guide column 12 through the second three-way air passage and is discharged. Furthermore, the inlet end of the second three-way air passage is equipped with a gas-liquid isolation membrane structure to allow the gas to pass through while isolating the large water-liquid molecule mixture impurities. Combined with physical sedimentation separation and molecular membrane purification, the gas-liquid separation and purification function is achieved.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A gas-liquid separator characterized by, The system includes a gas filter interface rod (3), a gas filter upper shell (5), a gas filter reservoir (6), and a gas filter lower shell (8). The gas filter interface rod (3) is threadedly connected to the inlet end of the gas filter upper shell (5). The gas filter upper shell (5) and the gas filter lower shell (8) are threadedly connected to both ends of the gas filter reservoir (6). A gas filter guide post (12) is embedded inside the gas filter reservoir (6). The two ends of the gas filter guide post (12) are respectively connected to the gas filter upper shell (5) and the gas filter lower shell (8). The gas channels of the gas filter guide column (12) are inlaid and connected. The two ends of the gas filter guide column (12) are respectively provided with channels A and B that do not communicate with each other. Channel A is connected to the gas channel of the upper shell (5) of the gas filter, and channel B is connected to the gas channel of the lower shell (8) of the gas filter. The end of channel A is vertically provided with a vertical air passage A that communicates with the inner cavity of the gas filter storage cylinder (6). The head end of channel B is provided with an oblique air passage B that communicates with the inner cavity of the gas filter storage cylinder (6). The opening end of the oblique air passage B is inlaid with a gas-liquid isolation membrane structure (13).
2. A gas-liquid separator according to claim 1, characterized in that The gas-liquid isolation membrane structure (13) includes an annular seat (1301) and a gas-liquid isolation membrane (1302) fixed to the inner wall of the annular seat (1301).
3. A gas-liquid separator according to claim 2, wherein A sealing ring A (1303) is inlaid on the outer circumferential surface of the annular seat (1301). The sealing ring A (1303) is made of nitrile rubber. Buckles (1304) are fixedly provided on both sides of the end face of the annular seat (1301).
4. A gas-liquid separator according to claim 1, wherein The head end of the gas filter interface rod (3) is embedded inside the output interface (1), and the output interface (1) is tightly fitted to the head end of the gas filter upper shell (5) through the gas filter interface rod (3).
5. A gas-liquid separator according to claim 1, wherein A rubber ring B (2) is embedded in the inner cavity of the head end of the gas filter interface rod (3), and a rubber ring C (4) is embedded in the inner cavity of the tail end of the gas filter interface rod (3).
6. A gas-liquid separator according to claim 5, wherein Both ends of the gas filter storage cylinder (6) are provided with rubber rings D (7), and the tail end of the gas filter guide post (12) is inlaid with a rubber ring E (9) between the gas channel of the lower shell (8) of the gas filter. The rubber ring B (2) is made of nitrile rubber, and the rubber rings C (4), D (7) and E (9) are all made of fluororubber.
7. A gas-liquid separator according to claim 1, wherein The lower shell (8) of the gas filter has a right-angle air passage that communicates with the inner cavity of the gas filter storage cylinder (6). The outlet end of the right-angle air passage is threaded with a drain knob (11). The outlet end of the right-angle air passage is inlaid with a rubber ring F (10), which is made of nitrile rubber.