A fuel dispensing station vapor condensing and separating apparatus

Abstract

This utility model discloses an oil-gas condensation separation device for gas stations, relating to the field of oil-gas separation technology. It includes a support frame and casters fixed at the four corners of the bottom of the support frame. A push handle is fixedly mounted on the top of the support frame, and a support frame is also fixedly mounted on the top of the support frame. An oil-gas pump is fixedly embedded inside the support frame. The inlet and outlet ends of the oil-gas pump are respectively connected to an inlet pipe and an outlet pipe. A separation chamber is fixedly fitted at the end of the outlet pipe. A separation membrane is fixedly mounted inside the separation chamber. A cover plate is provided at the bottom of the separation chamber, and a filter cartridge is fixedly inserted inside the cover plate. A filter cover is provided at the bottom of the filter cartridge, and a filter element is fixedly mounted on the top of the filter cover. The filter element is inserted into the filter cartridge, and a guide pipe is connected to the side of the filter cartridge. This utility model enables quick positioning and replacement of the filter element while simultaneously performing oil-gas condensation separation at gas stations, ensuring that internal impurities are fully filtered during oil-gas condensation, thus improving the oil-gas separation effect.

Description

Technical Field

[0001] This utility model relates to the field of oil-gas separation technology, specifically to an oil-gas condensation separation device for gas stations. Background Technology

[0002] Oil vapors are generated during refueling and the storage tanks at gas stations. To avoid waste and potential hazards, effective recovery of these vapors is necessary. A common recovery method is condensation and collection. For example, patent document CN215463087U discloses a novel membrane-based oil vapor recovery device for gas stations. This device consists of a membrane separation chamber, a filtration chamber, and a condensation chamber. The membrane separation chamber is pressurized, and the membrane separates the oil and water. The oil vapor then enters the filtration chamber, where a ceramic filter removes impurities. The condensation chamber cools the oil vapor, causing the high-temperature fuel vapor to condense into a liquid. Finally, the liquid is recovered through the outlet pipe. This significantly improves the processing capacity of the oil vapor treatment device for waste gas and waste oil, allowing it to recover different types of oil vapors.

[0003] When the above-mentioned device filters impurities from oil and gas, the filter element is fixedly installed in the sealed cavity. As the collection work continues, impurities accumulate on the surface of the filter element, affecting the filtration effect. Furthermore, the filter element is not easy to replace, which reduces the oil and gas separation and collection effect. Utility Model Content

[0004] In view of the problems existing in the current oil-gas condensation separation device of gas station, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide an oil-gas condensation separation device for gas stations, which solves the problem that in the existing oil-gas separation and collection process, the filter element that filters internal impurities of oil and gas is prone to surface accumulation of impurities and cannot be replaced.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A gas station oil-gas condensation separation device includes a support frame and movable wheels fixedly installed at the four corners of the bottom of the support frame. A push handle is fixedly installed on the top of the support frame, and a support frame is fixedly installed on the top of the support frame. An oil-gas pump is fixedly embedded inside the support frame. The inlet and outlet ends of the oil-gas pump are respectively connected to an inlet pipe and an outlet pipe. A separation chamber is fixedly sleeved at the end of the outlet pipe, and a separation membrane is fixedly installed inside the separation chamber. The bottom of the separation chamber is provided with a cover plate, and a filter cylinder is fixedly inserted inside the cover plate. The bottom of the filter cylinder is covered with a filter cover, and the top of the filter cover is fixedly provided with a filter element. The filter element is inserted into the filter cylinder. A guide pipe is connected to the side of the filter cylinder. A condenser chamber is fixedly sleeved at the end of the guide pipe. A condenser pipe is fixedly inserted to the side of the condenser chamber. The condenser pipe is serpentine in shape and communicates with the guide pipe. A semiconductor refrigeration chip is fixedly embedded in the top of the condenser chamber.

[0007] Preferably, the cover plate is fixed to the bottom of the separation chamber by screws.

[0008] Preferably, a support ring is fixedly sleeved on the outer wall of the filter cover, an mounting plate is fixedly mounted on the top of the support ring, a positioning rod is slidably inserted inside the mounting plate, the end of the positioning rod is inserted into the filter cylinder, a positioning groove is opened on the outer wall of the filter cylinder to cooperate with the positioning rod, a pull block is fixedly mounted on the other end of the positioning rod, a spring is sleeved on the rod wall of the positioning rod, and the two ends of the spring are fixedly connected to the mounting plate and the positioning rod respectively.

[0009] Preferably, a guide slope is provided on the upper side of the end of the positioning rod that is inserted into the positioning groove.

[0010] Furthermore, a first sealing ring is fixedly provided on the upper end of the inner wall of the filter cartridge, and an annular sealing groove is provided at the bottom of the first sealing ring. The upper end of the filter element is inserted into the annular sealing groove, and a second sealing ring is fixedly provided on the top of the filter cover. The second sealing ring is in contact with the bottom of the filter cartridge.

[0011] Preferably, a top frame is fixedly provided on the top of the support frame, and the top frame is in contact with the bottom of the condensation chamber.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows: 1. This utility model, through the provided separation chamber, filter cartridge, filter element, filter cover, support ring, mounting plate, positioning rod and positioning groove, and condensation chamber, can facilitate the quick positioning and replacement of the filter element while performing condensation separation of oil and gas at gas stations, ensuring that internal impurities can be fully filtered during oil and gas condensation, thus improving the oil and gas separation effect.

[0013] 2. This utility model, by providing a separation chamber, a cover plate, a separation membrane, a support frame, and a top frame, allows the bottom of the separation chamber to be opened for inspection and maintenance of the separation membrane. At the same time, the entire device is easy to move and convenient to use in gas stations. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective; Figure 3 This is a schematic diagram of the connection structure between the filter cartridge and the filter cover of this utility model; Figure 4 This is an internal cross-sectional view of the filter cartridge of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Support frame; 2. Casters; 3. Push handle; 4. Support frame; 5. Oil / air pump; 6. Inlet pipe; 7. Outlet pipe; 8. Separation chamber; 9. Separation membrane; 10. Cover plate; 11. Filter cartridge; 12. Filter cover; 13. Filter element; 14. Guide pipe; 15. Condensation chamber; 16. Condensation pipe; 17. Semiconductor cooling chip; 18. Support ring; 19. Mounting plate; 20. Positioning rod; 21. Positioning groove; 22. Pull block; 23. Spring; 24. First sealing ring; 25. Annular sealing groove; 26. Second sealing ring; 27. Top frame. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0018] This utility model discloses an oil-gas condensation separation device for gas stations.

[0019] This utility model provides, for example Figure 1-4 The oil-gas condensation separation device shown includes a support frame 1 and movable wheels 2 fixed at the four corners of the bottom of the support frame 1. A push handle 3 is fixedly provided on the top of the support frame 1, and a support frame 4 is fixedly provided on the top of the support frame 1. An oil-gas pump 5 is fixedly embedded inside the support frame 4. An inlet pipe 6 and an outlet pipe 7 are respectively connected to the inlet and outlet ends of the oil-gas pump 5. A separation chamber 8 is fixedly sleeved at the end of the outlet pipe 7, and a separation membrane 9 is fixedly provided inside the separation chamber 8. The bottom of the separation chamber 8 is provided with a cover plate 10, and a filter cylinder 11 is fixedly inserted inside the cover plate 10. The bottom of the filter cylinder 11 is covered with a filter cover 12, and the top of the filter cover 12 is fixedly provided with a filter element 13. The filter element 13 is inserted into the filter cylinder 11. A guide pipe 14 is connected to the side of the filter cylinder 11. A condensing chamber 15 is fixedly sleeved at the end of the guide pipe 14. A condensing pipe 16 is fixedly inserted to the side of the condensing chamber 15. The condensing pipe 16 is arranged in a serpentine shape and communicates with the guide pipe 14. A semiconductor cooling chip 17 is fixedly embedded in the top of the condensing chamber 15. A support ring 18 is fixedly sleeved on the outer wall of the filter cover 12. A mounting plate 19 is fixedly sleeved on the top of the support ring 18. A positioning rod 20 is slidably inserted inside the mounting plate 19. The end of the positioning rod 20 is inserted into the filter cylinder 11. A positioning groove 21 is opened on the outer wall of the filter cylinder 11 to cooperate with the positioning rod 20. A guide slope is opened on the upper side of the end of the positioning rod 20 that is inserted into the positioning groove 21. A pull block 22 is fixedly sleeved on the other end of the positioning rod 20. A spring 23 is sleeved on the rod wall of the positioning rod 20. The two ends of the spring 23 are fixedly connected to the mounting plate 19 and the positioning rod 20 respectively. A first sealing ring 24 is fixedly provided on the upper end of the inner wall of the filter cartridge 11. An annular sealing groove 25 is provided at the bottom of the first sealing ring 24. The upper end of the filter element 13 is inserted into the annular sealing groove 25. A second sealing ring 26 is fixedly provided on the top of the filter cover 12. The second sealing ring 26 is in contact with the bottom of the filter cartridge 11.

[0020] To allow for easy access and maintenance of the separation membrane by opening the bottom of the separation chamber, and to facilitate the movement of the entire device, such as... Figure 1-2 As shown, the cover plate 10 is fixed to the bottom of the separation chamber 8 by screw connection, and the top of the support frame 1 is fixedly provided with a top frame 27, which is in contact with the bottom of the condensation chamber 15.

[0021] Working principle: First, the device is pushed to the designated position for oil and gas recovery in the gas station by the cooperation of the moving wheels 2 at the bottom of the support frame 1 and the push handle 3 at the top, ensuring that the whole device can be easily moved and used in the gas station. The top frame 27 at the top of the support frame 1 can support the bottom of the condensing chamber 15 to ensure the stable installation of the condensing chamber 15. Then, the air inlet pipe 6 is connected to the oil storage tank or the oil and gas escaping end of the fuel dispenser in the gas station, and the oil and gas pump 5 is started. The oil and gas pump 5 draws the oil and gas generated in the gas station to the air outlet pipe 7 through the air inlet pipe 6. Then, the oil and gas enter the interior of the separation chamber 8 through the air outlet pipe 7. The separation membrane 9 in the separation chamber 8 first performs preliminary separation of oil and gas, intercepting some of the larger-sized impurities and liquid oil droplets in the oil and gas. After preliminary separation, the oil and gas continue to flow downward, passing through the cover plate 10 screwed to the bottom of the separation chamber 8, and entering the filter cartridge 11 fixed inside the cover plate 10. Inside the filter cartridge 11, the oil and gas pass through the filter element 13 fixed at the top of the filter cover 12 and inserted into the filter cartridge 11. The filter element 13 further filters the fine impurities remaining in the oil and gas. At this time, the first sealing ring 24 at the upper end of the inner wall of the filter cartridge 11 cooperates with the annular sealing groove 25 inserted at the upper end of the filter element 13, and the second sealing ring 26 at the top of the filter cover 12 contacts and cooperates with the bottom of the filter cartridge 11, which can effectively prevent the oil and gas from leaking from the gaps during the filtration process and ensure the filtration sealing. The filtered oil and gas enter the condensing chamber 15 through the guide pipe 14 connected to the side of the filter cartridge 11. The semiconductor cooling chip 17 fixedly embedded at the top of the condensing chamber 15 is activated to cool the internal space of the condensing chamber 15 below the semiconductor cooling chip 17. At the same time, the condensing pipe 16 fixedly inserted through the side of the condensing chamber 15 in a serpentine shape is connected to the guide pipe 14. The serpentine structure of the condensing pipe 16 increases the contact area between the oil and gas and the condensing environment, so that the oil and gas entering the condensing pipe 16 can fully exchange heat with the low temperature environment. The liquid hydrocarbon components in the oil and gas condense into liquid under the action of low temperature, realizing the oil and gas condensation separation. The liquid gasoline formed by the final condensation can be discharged and recovered from the drain port at the bottom of the condensing chamber 15. The exhaust gas that is not completely condensed can be connected to the subsequent treatment device for further treatment according to actual needs. When the filter element 13 accumulates surface impurities after long-term use, affecting the filtration effect, the operator can pull the pull block 22 on the top mounting plate 19 of the outer wall support ring 18 of the filter cover 12. The pull block 22 will move the positioning rod 20 away from the filter cartridge 11, compressing the spring 23 until the end of the positioning rod 20 disengages from the positioning groove 21 on the outer wall of the filter cartridge 11. At this point, the filter cover 12 can be removed from the bottom of the filter cartridge 11, allowing the filter element 13 to be disassembled and replaced. When replacing the filter element 13, the filter element 13 should be reinserted into the filter cartridge 11. Release the pull block 22, and the spring 23 will reset and push the positioning rod 20. The end of the positioning rod 20 will be inserted into the positioning groove 21 of the filter cartridge 11 under the guidance of the guide slope, thus completing the quick positioning and installation of the filter element 13. This ensures that internal impurities can be continuously and fully filtered during oil and gas condensation, maintaining a good oil and gas separation effect. If the separation membrane 9 in the separation chamber 8 needs to be inspected and maintained, the bolts connecting the cover plate 10 to the bottom of the separation chamber 8 can be unscrewed, the cover plate 10 can be opened, and the separation membrane 9 in the separation chamber 8 can be inspected or replaced.

[0022] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A gas station oil-gas condensation separation device, comprising a support frame (1) and movable wheels (2) fixedly disposed at the four corners of the bottom of the support frame (1), characterized in that, The top of the support frame (1) is fixedly provided with a push handle (3), the top of the support frame (1) is fixedly provided with a support frame (4), the inside of the support frame (4) is fixedly embedded with an oil and gas pump (5), the inlet and outlet ends of the oil and gas pump (5) are respectively connected to an inlet pipe (6) and an outlet pipe (7), the end of the outlet pipe (7) is fixedly fitted with a separation chamber (8), and the inside of the separation chamber (8) is fixedly provided with a separation membrane (9). The bottom of the separation chamber (8) is provided with a cover plate (10), and a filter cylinder (11) is fixedly inserted inside the cover plate (10). The bottom of the filter cylinder (11) is covered with a filter cover (12), and the top of the filter cover (12) is fixedly provided with a filter element (13). The filter element (13) is inserted into the filter cylinder (11). A guide pipe (14) is connected to the side of the filter cylinder (11). A condenser chamber (15) is fixedly sleeved at the end of the guide pipe (14). A condenser pipe (16) is fixedly inserted through the side of the condenser chamber (15). The condenser pipe (16) is arranged in a serpentine shape and communicates with the guide pipe (14). A semiconductor refrigeration chip (17) is fixedly embedded at the top of the condenser chamber (15).

2. The gas station oil-gas condensation separation device according to claim 1, characterized in that, The cover plate (10) is fixed to the bottom of the separation chamber (8) by screw connection.

3. The oil-gas condensation and separation device for gas stations according to claim 1, characterized in that, The outer wall of the filter cover (12) is fixedly fitted with a support ring (18), and the top of the support ring (18) is fixedly fitted with an installation plate (19). A positioning rod (20) is slidably inserted inside the installation plate (19). The end of the positioning rod (20) is inserted into the filter cylinder (11). The outer wall of the filter cylinder (11) is provided with a positioning groove (21) that is compatible with the positioning rod (20). The other end of the positioning rod (20) is fixedly fitted with a pull block (22). A spring (23) is fitted on the rod wall of the positioning rod (20). The two ends of the spring (23) are fixedly connected to the installation plate (19) and the positioning rod (20) respectively.

4. The gas station oil-gas condensation separation device according to claim 3, characterized in that, The upper side of the end of the positioning rod (20) that is inserted into the positioning groove (21) is provided with a guide slope.

5. The oil-gas condensation separation device for gas stations according to claim 1, characterized in that, The filter cartridge (11) has a first sealing ring (24) fixedly installed on the upper end of its inner wall. The bottom of the first sealing ring (24) has an annular sealing groove (25). The upper end of the filter element (13) is inserted into the annular sealing groove (25). The top of the filter cover (12) has a second sealing ring (26) fixedly installed. The second sealing ring (26) is in contact with the bottom of the filter cartridge (11).

6. The oil-gas condensation separation device for gas stations according to claim 1, characterized in that, The top of the support frame (1) is fixedly provided with a top frame (27), which is in contact with the bottom of the condensation chamber (15).

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