Oil and gas purification device with high purification efficiency

Abstract

The invention discloses an oil and gas purification device with high purification efficiency, and the invention relates to the technical field of oil and gas purification. The oil and gas purification device with high purification efficiency can sequentially complete condensation separation and filtration separation of the transported oil and gas through the polymer filter membrane installed in the condenser and the filter cartridge, and can improve the filtering effect of the oil and gas secondary filtration through the setting of the polymer filter membrane, which is better than the traditional purification device, and at the same time ensures the operation efficiency of the equipment, and can automatically stretch under pressure when blocked through the setting of the polymer filter membrane, and complete the automatic cleaning operation of the polymer filter membrane through the operation of the cleaning rod and the cleaning scraper, effectively avoiding the polymer filter membrane from being affected by the filtering effect due to the adhesion of impurities when in use, and effectively improving the purification effect of the oil and gas.

Description

Technical Field

[0001] The invention relates to the technical field of oil and gas purification, and in particular to an oil and gas purification device with high purification efficiency. Background Art

[0002] The oil and gas purification device is mainly suitable for the pollutant treatment of volatile oil products such as gasoline and ethanol gasoline. Referring to the Chinese patent, the announcement number is "CN102921296B" "An integrated oil and gas recovery and purification device", which points out that the existing equipment is difficult to process and purify oil and gas more completely, and its application in many occasions is limited; but the above equipment still has the problems of low purification efficiency and inconvenience in maintenance and cleaning of the equipment. In this regard, we propose an oil and gas purification device with high purification efficiency to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides an oil and gas purification device with high purification efficiency, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an oil and gas purification device with high purification efficiency, comprising a body, the bottom of which is connected to an oil and gas delivery pipe for delivering the collected oil and gas;

[0005] A condenser is fixed inside the machine body, and a condensing coil is installed inside the condenser to condense and recover the oil molecules in the transported oil and gas;

[0006] A filter cartridge is fixed on the side of the body away from the condenser, and a polymer filter membrane is installed inside the filter cartridge. A connecting pipe is connected between the condenser and the filter cartridge to transport the filtered oil and gas. The polymer filter membrane is used to perform secondary separation of oil molecules in the oil and gas.

[0007] An assembly chassis is inserted into the bottom of the filter cartridge, and a plurality of assembly rods are fixed on one side of the assembly chassis close to the polymer filter membrane, and an assembly ring is fixedly installed through the assembly rods. The assembly ring is used to fix the polymer filter membrane to the inside of the filter cartridge, and a limited sleeve is fixed inside the assembly chassis, and an oil drain pipe is slidably connected inside the limited sleeve. The end of the oil drain pipe is fixedly connected to the middle of the polymer filter membrane for recovering the filtered oil molecules.

[0008] The initial shape of the polymer filter membrane is a cone, which can be expanded under pressure when blocked. A cleaning rod is rotatably connected inside the oil discharge pipe, and a cleaning scraper is fixed on the outside of the cleaning rod. The cleaning scraper is used to clean the stretched polymer filter membrane.

[0009] Preferably, a limit frame is installed inside the oil drain pipe for sliding up and down, and spring bodies are fixedly installed between both ends of the limit frame and the inner wall of the oil drain pipe, the end of the cleaning rod is rotatably connected to the inside of the limit frame, and a driving end head is fixedly installed at the center position of the top surface of the filter cartridge, and the end of the cleaning rod away from the limit frame is inserted into the inside of the driving end head.

[0010] Preferably, a servo motor is fixedly mounted on the top surface of the filter cartridge, and the output end of the servo motor is connected to the driving end head via a coupling to drive the driving end head to operate.

[0011] Preferably, a positioning plate is rotatably mounted on the bottom of the assembly chassis, and the positioning plate and the filter cartridge are fixed as a whole by means of threaded engagement.

[0012] Preferably, a vent plate is fixedly mounted on the inner top surface of the filter cartridge, a plurality of vent holes are symmetrically provided on the bottom of the vent plate, and the end of the connecting pipe passes through the filter cartridge and is fixedly connected to the vent plate.

[0013] Preferably, an oil collecting hood is fixedly installed at the end of the condenser for recovering the condensed oil, a condensed oil delivery pipe is fixedly installed at the bottom of the oil collecting hood, and a sealing cover is fixedly installed on the top surface of the body.

[0014] Preferably, an exhaust frame is fixedly installed on the outer side of the machine body for discharging the treated gas, and an exhaust pipe is connected between the exhaust frame and the filter cartridge.

[0015] Preferably, a fixing ring is fixedly sleeved on the outer side of the exhaust frame, and the fixing ring is fixedly installed on the outer side of the machine body.

[0016] Preferably, a spray rack is fixedly installed inside the exhaust rack, and interconnected liquid inlet pipes are installed inside the spray rack. The ends of the liquid inlet pipes pass through the exhaust rack and remain sealed therewith, and a sewage pipe is fixed to the bottom of the exhaust rack.

[0017] Preferably, the spray rack is annular in shape, and a plurality of atomizing nozzles are installed at the bottom of the spray rack.

[0018] The present invention provides an oil and gas purification device with high purification efficiency. Compared with the prior art, it has the following beneficial effects:

[0019] (1) The oil and gas purification device with high purification efficiency can complete condensation separation and filtration separation of the transported oil and gas in turn through the condenser and the polymer filter membrane installed inside the filter cartridge. The setting of the polymer filter membrane can improve the filtration effect during the secondary filtration of the oil and gas. Compared with the traditional purification device, the effect is better and the operating efficiency of the equipment is guaranteed at the same time.

[0020] (2) The oil and gas purification device with high purification efficiency can automatically stretch under pressure when blocked through the setting of the polymer filter membrane, and complete the automatic cleaning operation of the polymer filter membrane through the operation of the cleaning rod and the cleaning scraper, effectively avoiding the filtration effect of the polymer filter membrane being affected by the adhesion of impurities during use, and effectively improving the purification effect of oil and gas.

[0021] (3) The oil and gas purification device with high purification efficiency has a spray rack inside the exhaust rack. When the oil and gas are discharged after two separations, it can introduce cleaning water into the liquid inlet pipe, so that the cleaning water is sprayed out through the spray rack and multiple atomizing nozzles, so that the particles in the oil and gas can be separated from them and discharged through the drain pipe along with the cleaning water, thereby further improving the treatment effect of the oil and gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 For the present invention Figure 1 Schematic diagram of the cross-section structure;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the condenser and the filter cartridge of the present invention;

[0025] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For the present invention Figure 3 Front view;

[0027] Figure 6 It is a schematic diagram of the cross-sectional structure of the polymer filtration membrane of the present invention;

[0028] Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle;

[0029] Figure 8 It is a schematic diagram of the extended structure of the polymer filtration membrane of the present invention;

[0030] Fig. 9 It is a schematic diagram of the cross-sectional structure of the exhaust frame of the present invention;

[0031] Fig.10 It is a schematic diagram of the process of the present invention.

[0032] In the figure: 1. body; 101. cover; 2. oil and gas delivery pipe; 3. condenser; 301. oil collecting cover; 302. condensing coil; 4. connecting pipe; 401. ventilation plate; 5. exhaust rack; 501. drain pipe; 502. fixing ring; 6. spray rack; 601. liquid inlet pipe; 7. filter cartridge; 701. exhaust pipe; 8. servo motor; 9. drive end; 10. assembly chassis; 1001. positioning plate; 11. oil drain pipe; 1101. limiting shaft sleeve; 12. cleaning rod; 1201. cleaning scraper; 1202. limiting rack; 1203. spring body; 13. polymer filter membrane; 14. assembly rod; 1401. assembly ring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 10 The present invention provides two technical solutions, which specifically include the following embodiments:

[0035] Example 1: Reference Figure 1 , an oil and gas purification device with high purification efficiency, including a body 1, the bottom of the body 1 is connected with an oil and gas delivery pipe 2 for delivering the collected oil and gas, and during operation, the pump body is connected to the oil and gas delivery pipe 2, and the collected oil and gas are delivered to the inside of the body 1 through the oil and gas delivery pipe 2 through the operation of the pump body, and is suitable for volatile polluted oil and gas such as gasoline and ethanol gasoline. The pump body is an existing device and is not shown in the figure;

[0036] In the embodiment of the present invention, reference Figure 2-Figure 3 A condenser 3 is fixed inside the machine body 1, and a condensing coil 302 is installed inside the condenser 3 for condensing and recovering the oil molecules in the transported oil gas. The condensing coil 302 is an existing device. As the transported oil gas enters the condenser 3, the oil molecules in the oil gas can be cooled and condensed into oil through the low-temperature condensing coil 302, thereby recovering the oil molecules in the oil gas.

[0037] Specifically, a filter cartridge 7 is fixed on a side of the body 1 away from the condenser 3, and a polymer filter membrane 13 is installed inside the filter cartridge 7. A connecting pipe 4 is connected between the condenser 3 and the filter cartridge 7 for conveying the filtered oil and gas. The polymer filter membrane 13 is used for secondary separation of oil molecules in the oil and gas. As the oil and gas that have completed condensation through the condenser 3 enter the filter cartridge 7, they can contact with the polymer filter membrane 13 to achieve secondary separation of oil molecules in the oil and gas, further improving the purification effect of the oil and gas.

[0038] Furthermore, an assembly chassis 10 is inserted into the bottom of the filter cartridge 7, and a plurality of assembly rods 14 are fixed on one side of the assembly chassis 10 close to the polymer filter membrane 13, and an assembly ring piece 1401 is fixedly installed through the assembly rod 14, and the assembly ring piece 1401 is used to fix the polymer filter membrane 13 to the inside of the filter cartridge 7, and a limiting shaft sleeve 1101 is fixed inside the assembly chassis 10, and an oil drain pipe 11 is slidably connected inside the limiting shaft sleeve 1101, and the end of the oil drain pipe 11 is fixedly connected to the middle of the polymer filter membrane 13 for recovering the filtered oil molecules. Through the cooperation of the assembly chassis 10, the polymer filter membrane 13 can be easily disassembled and replaced. After the polymer filter membrane 13 has been used for a period of time, as the assembly chassis 10 is pulled outward, the assembly rod 14 and the assembly ring piece 1401 can be driven to move outward, so that the polymer filter membrane 13 installed on the outside of the assembly ring piece 1401 is pulled out, and reinserted into the filter cartridge 7 after replacement is completed, which further improves the convenience of equipment maintenance.

[0039] Specifically, the oil drain pipe 11 can be used to transport the separated oil molecules. A solenoid valve is provided inside the limiting sleeve 1101. During the operation, the solenoid valve is in a closed state to prevent the oil gas from being discharged through the oil drain pipe 11. As the polymer filter membrane 13 filters the oil molecules in the oil gas, the oil molecules can enter the oil drain pipe 11 until the solenoid valve is opened after the filtering operation is completed, thereby realizing the discharge operation of the oil molecules.

[0040] Specifically, the oil molecules can be assisted by a negative pressure device during the discharge process, which will not be described here;

[0041] Specifically, the initial shape of the polymer filtration membrane 13 is a frustum, referring to Figure 6At this time, the surface of the polymer filter membrane 13 has multiple folds. When the oil and gas come into contact with the polymer filter membrane 13, the contact area between the oil and gas and the polymer filter membrane 13 can be increased, thereby further improving the filtering effect. At the same time, when the impurity particles in the oil and gas are adsorbed on the surface of the polymer filter membrane 13 and cause it to be blocked, as the polymer filter membrane 13 is pressurized, it can drive the oil drain pipe 11 to slide downward and insert into the inside of the limiting shaft sleeve 1101. At this time, the polymer filter membrane 13 can be compressed and expanded, and a cleaning rod 12 is rotatably connected to the inside of the oil drain pipe 11, and a cleaning scraper 1201 is fixed to the outside of the cleaning rod 12. The cleaning scraper 1201 is used to clean the stretched polymer filter membrane 13. Figure 8 The figure is a diagram showing the expansion of the polymer filtration membrane 13. As the polymer filtration membrane 13 is expanded, the operation of the cleaning rod 12 can drive the outer cleaning scraper 1201 to run along the surface of the polymer filtration membrane 13 to clean the attached impurities, thereby further ensuring the filtering effect on the oil molecules.

[0042] Specifically, a limit frame 1202 is installed inside the oil drain pipe 11 for sliding up and down, and spring bodies 1203 are fixedly installed between the two ends of the limit frame 1202 and the inner wall of the oil drain pipe 11, and the end of the cleaning rod 12 is rotatably connected to the inside of the limit frame 1202. A driving end head 9 is fixedly installed at the center position of the top surface of the filter cartridge 7, and the end of the cleaning rod 12 away from the limit frame 1202 is inserted into the driving end head 9. Through the cooperation of the limit frame 1202 and the spring body 1203, the cleaning scraper 1201 can always fit the surface of the polymer filter membrane 13 to ensure the cleaning effect. The driving end head 9 is used to realize the driving operation. The internal shape of the driving end head 9 and the end shape of the cleaning rod 12 are both regular hexagons. The end of the cleaning rod 12 is used to insert into the driving end head 9 to realize the transmission operation.

[0043] Specifically, a servo motor 8 is fixedly mounted on the top surface of the filter cartridge 7, and the output end of the servo motor 8 is connected to the driving end head 9 through a coupling to drive the driving end head 9 to operate. The servo motor 8 is an existing device;

[0044] Specifically, a positioning plate 1001 is rotatably mounted on the bottom of the assembly chassis 10, and the positioning plate 1001 and the filter cartridge 7 are fixed as a whole by means of threaded engagement, and the positioning plate 1001 is used to lock the assembly chassis 10;

[0045] Specifically, an exhaust pipe 701 is installed outside the filter cartridge 7 to discharge the filtered gas;

[0046] Specifically, an oil collecting hood 301 is fixedly installed at the end of the condenser 3 for recovering the condensed oil, a condensed oil delivery pipe is fixedly installed at the bottom of the oil collecting hood 301, and a cover 101 is fixedly installed on the top surface of the body 1. When the oil molecules in the oil gas are condensed, they can enter the oil collecting hood 301 for collection, and are discharged through the condensed oil delivery pipe after the operation is completed;

[0047] Embodiment 2: Based on Embodiment 1, refer to Figure 1-Figure 10 , an oil and gas purification device with high purification efficiency, including a body 1, the bottom of the body 1 is connected with an oil and gas delivery pipe 2 for delivering the collected oil and gas, and during operation, the pump body is connected to the oil and gas delivery pipe 2, and the collected oil and gas are delivered to the inside of the body 1 through the oil and gas delivery pipe 2 through the operation of the pump body, and is suitable for volatile polluted oil and gas such as gasoline and ethanol gasoline. The pump body is an existing device and is not shown in the figure;

[0048] In the embodiment of the present invention, reference Figure 2-Figure 3 A condenser 3 is fixed inside the machine body 1, and a condensing coil 302 is installed inside the condenser 3 for condensing and recovering the oil molecules in the transported oil gas. The condensing coil 302 is an existing device. As the transported oil gas enters the condenser 3, the oil molecules in the oil gas can be cooled and condensed into oil through the low-temperature condensing coil 302, thereby recovering the oil molecules in the oil gas.

[0049] Specifically, a filter cartridge 7 is fixed on a side of the body 1 away from the condenser 3, and a polymer filter membrane 13 is installed inside the filter cartridge 7. A connecting pipe 4 is connected between the condenser 3 and the filter cartridge 7 for conveying the filtered oil and gas. The polymer filter membrane 13 is used for secondary separation of oil molecules in the oil and gas. As the oil and gas that have completed condensation through the condenser 3 enter the filter cartridge 7, they can contact with the polymer filter membrane 13 to achieve secondary separation of oil molecules in the oil and gas, further improving the purification effect of the oil and gas.

[0050] Furthermore, an assembly chassis 10 is inserted into the bottom of the filter cartridge 7, and a plurality of assembly rods 14 are fixed on one side of the assembly chassis 10 close to the polymer filter membrane 13, and an assembly ring piece 1401 is fixedly installed through the assembly rod 14, and the assembly ring piece 1401 is used to fix the polymer filter membrane 13 to the inside of the filter cartridge 7, and a limiting shaft sleeve 1101 is fixed inside the assembly chassis 10, and an oil drain pipe 11 is slidably connected inside the limiting shaft sleeve 1101, and the end of the oil drain pipe 11 is fixedly connected to the middle of the polymer filter membrane 13 for recovering the filtered oil molecules. Through the cooperation of the assembly chassis 10, the polymer filter membrane 13 can be easily disassembled and replaced. After the polymer filter membrane 13 has been used for a period of time, as the assembly chassis 10 is pulled outward, the assembly rod 14 and the assembly ring piece 1401 can be driven to move outward, so that the polymer filter membrane 13 installed on the outside of the assembly ring piece 1401 is pulled out, and reinserted into the filter cartridge 7 after replacement is completed, which further improves the convenience of equipment maintenance.

[0051] Specifically, the oil drain pipe 11 can be used to transport the separated oil molecules. A solenoid valve is provided inside the limiting sleeve 1101. During the operation, the solenoid valve is in a closed state to prevent the oil gas from being discharged through the oil drain pipe 11. As the polymer filter membrane 13 filters the oil molecules in the oil gas, the oil molecules can enter the oil drain pipe 11 until the solenoid valve is opened after the filtering operation is completed, thereby realizing the discharge operation of the oil molecules.

[0052] Specifically, the oil molecules can be assisted by a negative pressure device during the discharge process, which will not be described here;

[0053] Specifically, the initial shape of the polymer filtration membrane 13 is a frustum, referring to Figure 6 At this time, the surface of the polymer filter membrane 13 has multiple folds. When the oil and gas come into contact with the polymer filter membrane 13, the contact area between the oil and gas and the polymer filter membrane 13 can be increased, thereby further improving the filtering effect. At the same time, when the impurity particles in the oil and gas are adsorbed on the surface of the polymer filter membrane 13 and cause it to be blocked, as the polymer filter membrane 13 is pressurized, it can drive the oil drain pipe 11 to slide downward and insert into the inside of the limiting shaft sleeve 1101. At this time, the polymer filter membrane 13 can be compressed and expanded, and a cleaning rod 12 is rotatably connected to the inside of the oil drain pipe 11, and a cleaning scraper 1201 is fixed to the outside of the cleaning rod 12. The cleaning scraper 1201 is used to clean the stretched polymer filter membrane 13. Figure 8 The figure is a diagram showing the expansion of the polymer filtration membrane 13. As the polymer filtration membrane 13 is expanded, the operation of the cleaning rod 12 can drive the outer cleaning scraper 1201 to run along the surface of the polymer filtration membrane 13 to clean the attached impurities, thereby further ensuring the filtering effect on the oil molecules.

[0054] Specifically, a limit frame 1202 is installed inside the oil drain pipe 11 for sliding up and down, and spring bodies 1203 are fixedly installed between the two ends of the limit frame 1202 and the inner wall of the oil drain pipe 11, and the end of the cleaning rod 12 is rotatably connected to the inside of the limit frame 1202. A driving end head 9 is fixedly installed at the center position of the top surface of the filter cartridge 7, and the end of the cleaning rod 12 away from the limit frame 1202 is inserted into the driving end head 9. Through the cooperation of the limit frame 1202 and the spring body 1203, the cleaning scraper 1201 can always fit the surface of the polymer filter membrane 13 to ensure the cleaning effect. The driving end head 9 is used to realize the driving operation. The internal shape of the driving end head 9 and the end shape of the cleaning rod 12 are both regular hexagons. The end of the cleaning rod 12 is used to insert into the driving end head 9 to realize the transmission operation.

[0055] Specifically, a servo motor 8 is fixedly mounted on the top surface of the filter cartridge 7, and the output end of the servo motor 8 is connected to the driving end head 9 through a coupling to drive the driving end head 9 to operate. The servo motor 8 is an existing device;

[0056] Specifically, a positioning plate 1001 is rotatably mounted on the bottom of the assembly chassis 10, and the positioning plate 1001 and the filter cartridge 7 are fixed as a whole by means of threaded engagement, and the positioning plate 1001 is used to lock the assembly chassis 10;

[0057] Furthermore, a vent plate 401 is fixedly mounted on the inner top surface of the filter cartridge 7, and a plurality of vent holes are symmetrically opened at the bottom of the vent plate 401. The end of the connecting pipe 4 passes through the filter cartridge 7 and is fixedly connected to the vent plate 401. The vent plate 401 is used to transport oil and gas. When the oil and gas enter the vent plate 401 through the connecting pipe 4, they can be discharged into the filter cartridge 7 through the plurality of vent holes, so that the transported oil and gas can be in uniform contact with the surface of the polymer filter membrane 13, thereby ensuring the filtering effect.

[0058] Specifically, an oil collecting hood 301 is fixedly installed at the end of the condenser 3 for recovering the condensed oil, a condensed oil delivery pipe is fixedly installed at the bottom of the oil collecting hood 301, and a cover 101 is fixedly installed on the top surface of the body 1. When the oil molecules in the oil gas are condensed, they can enter the oil collecting hood 301 for collection, and are discharged through the condensed oil delivery pipe after the operation is completed;

[0059] Specifically, an exhaust frame 5 is fixedly installed on the outside of the body 1 for discharging the treated gas. An exhaust pipe 701 is connected between the exhaust frame 5 and the filter cartridge 7. The oil and gas after secondary separation can be transported to the inside of the exhaust frame 5 through the exhaust pipe 701, and then discharged from the exhaust frame 5.

[0060] Specifically, a fixing ring 502 is fixedly sleeved on the outer side of the exhaust frame 5, and the fixing ring 502 is fixedly installed on the outer side of the body 1;

[0061] Furthermore, a spray rack 6 is fixedly installed inside the exhaust rack 5, and a liquid inlet pipe 601 that is interconnected is installed inside the spray rack 6. The end of the liquid inlet pipe 601 passes through the exhaust rack 5 and remains sealed therewith, and a sewage pipe 501 is fixed to the bottom of the exhaust rack 5; the spray rack 6 is annular in shape, and a plurality of atomizing nozzles are installed at the bottom of the spray rack 6. When the treated oil and gas are discharged, cleaning water can be introduced into the liquid inlet pipe 601 through the pump body, so that the cleaning water is sprayed out through the spray rack 6 and the plurality of atomizing nozzles, so that the particles in the oil and gas can be separated from them, and can be discharged through the sewage pipe 502 along with the cleaning water, thereby further improving the treatment effect of the oil and gas.

[0062] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0063] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. An oil and gas purification device with high purification efficiency, comprising a body (1), characterized in that: The bottom of the body (1) is connected to an oil and gas delivery pipe (2) for delivering the collected oil and gas; A condenser (3) is fixed inside the machine body (1), and a condensing coil (302) is installed inside the condenser (3) for condensing and recovering oil molecules in the transported oil gas; A filter cartridge (7) is fixed on a side of the body (1) away from the condenser (3), and a polymer filter membrane (13) is installed inside the filter cartridge (7). A connecting pipe (4) is connected between the condenser (3) and the filter cartridge (7) for transporting filtered oil and gas, and the polymer filter membrane (13) is used for secondary separation of oil molecules in the oil and gas. An assembly chassis (10) is inserted into the bottom of the filter cartridge (7); a plurality of assembly rods (14) are fixed to a side of the assembly chassis (10) close to the polymer filter membrane (13); and an assembly ring (1401) is fixedly installed via the assembly rods (14); the assembly ring (1401) is used to fix the polymer filter membrane (13) to the inside of the filter cartridge (7); a limiting shaft sleeve (1101) is fixed inside the assembly chassis (10); and an oil drain pipe (11) is slidably connected inside the limiting shaft sleeve (1101); the end of the oil drain pipe (11) is fixedly connected to the middle of the polymer filter membrane (13) and is used to recover filtered oil molecules; The polymer filter membrane (13) is initially in a cone shape and can be expanded under pressure when blocked. A cleaning rod (12) is rotatably connected to the inside of the oil discharge pipe (11), and a cleaning scraper (1201) is fixed to the outside of the cleaning rod (12). The cleaning scraper (1201) is used to clean the expanded polymer filter membrane (13).

2. The oil and gas purification device with high purification efficiency according to claim 1 is characterized in that: A limit frame (1202) is slidably mounted inside the oil drain pipe (11) up and down, and spring bodies (1203) are fixedly mounted between the two ends of the limit frame (1202) and the inner wall of the oil drain pipe (11), the end of the cleaning rod (12) is rotatably connected to the inside of the limit frame (1202), a driving end head (9) is fixedly mounted at the center position of the top surface of the filter cartridge (7), and the end of the cleaning rod (12) away from the limit frame (1202) is inserted into the inside of the driving end head (9).

3. The oil and gas purification device with high purification efficiency according to claim 2 is characterized in that: A servo motor (8) is fixedly mounted on the top surface of the filter cartridge (7); an output end of the servo motor (8) is connected to a drive end head (9) via a coupling, and is used to drive the drive end head (9) to operate.

4. The oil and gas purification device with high purification efficiency according to claim 1 is characterized in that: A positioning plate (1001) is rotatably mounted on the bottom of the assembly chassis (10), and the positioning plate (1001) and the filter cartridge (7) are fixed as a whole by means of threaded engagement.

5. The oil and gas purification device with high purification efficiency according to claim 1 is characterized in that: A vent plate (401) is fixedly mounted on the inner top surface of the filter cartridge (7), a plurality of vent holes are symmetrically provided on the bottom of the vent plate (401), and an end of the connecting pipe (4) passes through the filter cartridge (7) and is fixedly connected to the vent plate (401).

6. The oil and gas purification device with high purification efficiency according to claim 1 is characterized by: An oil collecting hood (301) is fixedly mounted on the end of the condenser (3) for recovering condensed oil, a condensed oil delivery pipe is fixedly mounted on the bottom of the oil collecting hood (301), and a sealing cover (101) is fixedly mounted on the top surface of the machine body (1).

7. The oil and gas purification device with high purification efficiency according to claim 1 is characterized by: An exhaust frame (5) is fixedly mounted on the outside of the machine body (1) for discharging the treated gas, and an exhaust pipe (701) is connected between the exhaust frame (5) and the filter cartridge (7).

8. The oil and gas purification device with high purification efficiency according to claim 7 is characterized in that: A fixing ring (502) is fixedly sleeved on the outer side of the exhaust frame (5), and the fixing ring (502) is fixedly mounted on the outer side of the machine body (1).

9. The oil and gas purification device with high purification efficiency according to claim 7, characterized in that: A spray rack (6) is fixedly mounted inside the exhaust rack (5), and interconnected liquid inlet pipes (601) are mounted inside the spray rack (6), the ends of the liquid inlet pipes (601) pass through the exhaust rack (5) and remain sealed therewith, and a sewage discharge pipe (501) is fixed at the bottom of the exhaust rack (5).

10. The oil and gas purification device with high purification efficiency according to claim 9, characterized in that: The spray rack (6) is annular in shape, and a plurality of atomizing nozzles are installed at the bottom of the spray rack (6).

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