Oil-water separation equipment for oil refining

Abstract

The present invention provides an oil-water separation device for oil refining. When working, the feed amount at the feed pipe is controlled by a valve, and the material flows to the filter cartridge. The installation cartridge is driven by a driving mechanism to drive the filter cartridge to rotate. The material is filtered through the filter area on the filter cartridge under the action of centrifugal force, and large particles in the material are transported by the inner spiral blades and discharged to the discharge trough. The oil-water mixture in the material is filtered to the annular channel and pushed to the end cover through the outer spiral blades. The oil-water mixture is stratified by the centrifugal force, and the outer layer of water flows to the outer ring discharge component through the outer connecting port and the outer ring cavity, and the inner layer of oil flows to the inner ring discharge component through the inner connecting port and the inner ring cavity, thereby realizing oil-water separation. The clutch mechanism is used to drive the inner triangular groove and the outer triangular groove to move relative to the strip groove, so that the position and size of the inner connecting port and the outer connecting port can be adjusted according to the pre-calculated oil-water stratification boundary, thereby improving the oil-water separation effect and efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of petrochemical industry, in particular to an oil-water separation device for oil refining. Background Art

[0002] Petrochemical refining is a process of distilling crude oil or other oils to change their molecular structure, that is, cracking crude oil into fuels such as kerosene, gasoline, diesel, heavy oil, etc. that are suitable for use in internal combustion engines. Before refining, it is usually necessary to remove the water from the crude oil, that is, oil-water separation. Only after the water is removed can refining work be carried out. Currently, gravity sedimentation is often used to achieve oil-water separation. During separation, there are usually oil layers, oil-water mixed layers, and water layers. The ratio of oil to water in different batches of wastewater is different, which leads to different actual sedimentation times and the position of the oil-water interface after sedimentation. Therefore, in the separation process, after the water and oil are extracted, the water layer and the oil layer will be mixed with the oil-water mixture, making it difficult to achieve the desired separation effect. Summary of the Invention

[0003] The purpose of the present invention is to address the deficiencies in the above-mentioned technologies and to provide an oil-water separation device for oil refining, aiming to solve the above-mentioned problems.

[0004] The present invention provides an oil-water separation device for oil refining, comprising:

[0005] A frame, a filter cartridge is rotatably provided on the frame, one end of the filter cartridge is connected to a feed pipe, the filter cartridge can rotate relative to the feed pipe, a valve capable of adjusting the amount of water inlet is provided at the feed pipe, a filtration area composed of a filter screen is provided on the filter cartridge, an outer spiral blade is provided on the outer wall of the filter cartridge, and an inner spiral blade is provided on the inner wall of the filter cartridge;

[0006] a mounting cylinder, the mounting cylinder being sleeved on the outside of the filter cartridge and forming an annular channel for liquid flow between the filter cartridge and the filter cartridge; a sealing cover connected to the filter cartridge is provided at one end of the mounting cylinder, and an end cap for sealing the annular channel is rotatably provided at the other end of the mounting cylinder; a discharge trough for receiving material discharged from the filter cartridge is provided on the frame;

[0007] An annular cylinder, the annular cylinder is rotatably mounted on the end cover, the annular cylinder is provided with an annular partition plate, the partition plate divides the annular cylinder into an inner annular cavity and an outer annular cavity, the end cover is provided with a strip groove, an inner ring plate is provided at the inner annular cavity, and an outer ring plate is provided at the outer annular cavity, the inner ring plate and the outer ring plate are respectively provided with an inner triangular groove and an outer triangular groove, the inner triangular groove can be staggered with the strip groove to form an inner connecting port connecting the inner annular cavity and the annular channel, the outer triangular groove can be staggered with the strip groove to form an outer connecting port connecting the outer annular cavity and the annular channel, the frame is provided with an inner ring discharge component for collecting materials discharged from the inner annular cavity and an outer ring discharge component for collecting materials discharged from the outer annular cavity;

[0008] a driving mechanism, the driving mechanism being in driving connection with the mounting barrel and capable of driving the mounting barrel to rotate;

[0009] A clutch mechanism is provided, wherein the clutch mechanism is capable of adjusting the fastening state among the annular cylinder, the frame and the end cover to drive the annular cylinder to rotate along with the end cover or to drive the end cover to rotate relative to the annular cylinder.

[0010] Preferably, the inner ring discharge assembly includes a convex ring cylinder and an inner ring sleeve, the convex ring cylinder is arranged on the annular cylinder and is connected to the inner ring cavity, the inner ring sleeve is sleeved on the outside of the convex ring cylinder and can rotate relative to the convex ring cylinder, a plurality of first discharge ports are provided on the cylinder wall of the convex ring cylinder, a first discharge port is provided at the bottom of the inner ring sleeve, and a first collection box for receiving the first discharge port is provided on the frame.

[0011] Preferably, the outer ring discharge assembly includes an outer ring sleeve and a partition, the outer ring sleeve is sleeved on the annular cylinder and can rotate relative to the annular cylinder, the annular cylinder is provided with a plurality of second discharge ports connected with the outer ring cavity, the bottom of the outer ring sleeve is provided with a second discharge port, the frame is provided with a second collection box for receiving the second discharge port, the partition is provided at the interval between the outer ring sleeve and the inner ring sleeve and is used to separate the first collection box and the second collection box.

[0012] Preferably, the clutch mechanism includes a mounting plate, an elastic member and a magnetic attraction component, the mounting plate is movably mounted on the annular cylinder and the mounting plate cannot rotate relative to the annular cylinder, a crown gear and a bevel gear are respectively provided on the front and rear plate surfaces of the mounting plate, the filter cylinder is provided with a crown tooth portion for the crown gear to engage with, the frame is provided with a fixing ring, and the fixing ring is provided with a bevel tooth groove for the bevel gear to engage with, the elastic member can act on the mounting plate to drive the crown gear to engage with the crown tooth portion and drive the bevel gear away from the bevel tooth groove, and the magnetic attraction component can act on the mounting plate to drive the crown gear away from the crown tooth portion and drive the bevel gear to engage with the bevel tooth groove.

[0013] Preferably, a plurality of guide pillars are provided on the annular cylinder, the mounting plate is slidably mounted on the guide pillars, the elastic member is a spring, and each of the guide pillars is sleeved with the spring, and the spring can push the mounting plate to drive the crown gear to engage with the crown tooth portion and drive the bevel gear away from the bevel tooth groove.

[0014] Preferably, the magnetic attraction assembly includes an electromagnet and a magnetic block, the electromagnet is arranged on the fixing ring, and the magnetic block is arranged on the mounting plate, and the electromagnet can attract the magnetic block to drive the crown gear away from the crown tooth portion and drive the bevel gear to engage with the bevel tooth groove.

[0015] Preferably, the driving mechanism is a servo motor, which is in transmission connection with the mounting cylinder and can drive the mounting cylinder to rotate.

[0016] Preferably, a control panel electrically connected to the driving mechanism, the clutch mechanism and the valve is provided on the frame.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] During operation, the feeding amount at the feed pipe is controlled by the valve, the material flows to the filter cartridge, and the installation cartridge is driven by the driving mechanism to drive the filter cartridge to rotate. The material is first filtered through the filtering area on the filter cartridge under the action of centrifugal force, and the large particles in the material are transported by the inner spiral blades and discharged to the discharge trough. The oil-water mixture in the material is filtered to the annular channel and pushed to the end cover through the outer spiral blades. The oil-water mixture is stratified by the centrifugal force, and the outer layer of water flows to the outer ring discharge component through the outer connecting port and the outer ring cavity, and the inner layer of oil flows through the inner connecting port and The inner annular cavity flows to the inner annular discharge assembly to realize oil-water separation. By utilizing the clutch mechanism, when the annular cylinder is tightly connected to the frame, the end cover rotates relative to the annular cylinder, and the inner triangular groove and the outer triangular groove move relative to the strip groove, thereby realizing the position and size adjustment of the inner and outer connecting ports. After the adjustment, the fastening state of the annular cylinder and the frame is released and the annular cylinder and the end cover are fixed. The annular cylinder rotates with the end cover to perform centrifugal separation, which is convenient for adjusting the position and size of the inner and outer connecting ports according to the pre-calculated oil-water stratification boundary, thereby improving the oil-water separation effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic structural diagram of an embodiment of the present invention;

[0021] Figure 2 is a cross-sectional view of an embodiment of the present invention;

[0022] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0024] Figure 5 for Figure 2 Enlarged view of point C in the middle;

[0025] Figure 6 This is a structural diagram of the annular cylinder in one embodiment of the present invention;

[0026] Figure 7 Schematic diagram of the structure of the end cover in one embodiment of the present invention.

[0027] In the figure, 1-frame; 11-discharge trough; 12-first collection box; 13-second collection box; 14-fixing ring; 141-conical tooth groove; 2-filter cartridge; 21-feed pipe; 22-filtration area; 23-outer spiral blade; 24-inner spiral blade; 25-crown tooth portion; 3-mounting cylinder; 4-circulation channel; 5-end cover; 51-strip groove; 6-annular cylinder; 61-partition plate; 62-inner ring cavity; 63-outer ring cavity; 64-inner ring plate; 641-inner triangular groove; 65-outer ring plate; 651-outer triangular groove ;66-internal connecting port;67-external connecting port;68-second discharge port;69-guide column;7-inner ring discharge assembly;71-convex ring cylinder;711-first discharge port;72-inner ring sleeve;721-first discharge port;8-outer ring discharge assembly;81-outer ring sleeve;811-second discharge port;82-partition;9-clutch mechanism;91-mounting plate;911-crown gear;912-bevel gear;92-elastic part;93-magnetic attraction assembly;931-electromagnet;932-magnetic block;10-driving mechanism. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0029] Example 1:

[0030] Reference Figures 1 to 7 The present invention provides an oil-water separation device for oil refining, comprising:

[0031] A frame 1 is provided with a filter cartridge 2 rotatably mounted on the frame 1. One end of the filter cartridge 2 is connected to a feed pipe 21. The filter cartridge 2 can rotate relative to the feed pipe 21. A valve capable of adjusting the amount of water inlet is provided at the feed pipe 21. A filtering area 22 composed of a filter screen is provided on the filter cartridge 2. An outer spiral blade 23 is provided on the outer wall of the filter cartridge 2, and an inner spiral blade 24 is provided on the inner wall of the filter cartridge 2.

[0032] The mounting cylinder 3 is sleeved on the outside of the filter cartridge 2 and forms an annular channel 4 for liquid flow between the mounting cylinder 3 and the filter cartridge 2. A sealing cover connected to the filter cartridge 2 is provided at one end of the mounting cylinder 3, and an end cap 5 for sealing the annular channel 4 is rotatably provided at the other end of the mounting cylinder 3. A discharge trough 11 for receiving material discharged from the filter cartridge 2 is provided on the frame 1;

[0033] The annular cylinder 6 is rotatably mounted on the end cover 5. An annular partition plate 8261 is provided on the annular cylinder 6. The partition plate 8261 divides the annular cylinder 6 into an inner annular cavity 62 and an outer annular cavity 63. A strip groove 51 is provided on the end cover 5. An inner annular plate 64 is provided at the inner annular cavity 62. An outer annular plate 65 is provided at the outer annular cavity 63. An inner triangular groove 641 and an outer triangular groove 651 are provided on the inner annular plate 64 and the outer annular plate respectively. The inner triangular groove 641 can be staggered with the strip groove 51 to form an inner connecting port 66 connecting the inner annular cavity 62 and the annular channel 4. The outer triangular groove 651 can be staggered with the strip groove 51 to form an outer connecting port 67 connecting the outer annular cavity 63 and the annular channel 4. An inner annular discharge component 7 for collecting materials discharged from the inner annular cavity 62 and an outer annular discharge component 8 for collecting materials discharged from the outer annular cavity 63 are provided on the frame 1.

[0034] A driving mechanism 10 is connected to the mounting barrel 3 and is capable of driving the mounting barrel 3 to rotate;

[0035] The clutch mechanism 9 can adjust the fastening state among the annular cylinder 6 , the frame 1 and the end cover 5 to drive the annular cylinder 6 to rotate along with the end cover 5 or drive the end cover 5 to rotate relative to the annular cylinder 6 .

[0036] During operation, the material is pumped into the feed pipe 21 through the pump body and the feed amount at the feed pipe 21 is controlled by the valve. The material flows to the filter cartridge 2, and the installation cylinder 3 is driven by the driving mechanism 10 to drive the filter cartridge 2 to rotate. The material is first filtered through the filter area 22 on the filter cartridge 2 under the action of centrifugal force, and the large particles in the material are transported by the inner spiral blades 24 and discharged to the discharge trough 11. The oil-water mixture in the material is filtered to the annular channel 4 and pushed to the end cover 5 through the outer spiral blades 23. The oil-water mixture is stratified by the centrifugal force. The outer layer of water flows to the outer ring discharge component 8 through the external connecting port 67 and the outer ring cavity 63, and the inner layer of oil flows through the inner connecting port 67 and the outer ring cavity 63. The through port 66 and the inner ring cavity 62 flow to the inner ring discharge assembly 7 to achieve oil-water separation. Utilizing the clutch mechanism 9, when the annular cylinder 6 is tightly connected to the frame 1, the end cover 5 rotates relative to the annular cylinder 6, and the inner triangular groove 641 and the outer triangular groove 651 move relative to the strip groove 51, thereby achieving position and size adjustment of the inner communication port 66 and the outer communication port 67. After adjustment, the fastening state of the annular cylinder 6 and the frame 1 is released and the annular cylinder 6 and the end cover 5 are fixed. The annular cylinder 6 rotates with the end cover 5 to perform centrifugal separation, which facilitates adjustment of the position and size of the inner communication port 66 and the outer communication port 67 according to the pre-calculated oil-water stratification boundary, thereby improving the oil-water separation effect and efficiency.

[0037] The oil outlet and water outlet (equivalent to the internal connecting port 66 and the external connecting port 67 in this application) in conventional oil-water separation equipment are fixed in position. When applied to different oil-water mixtures (the position of the oil-water stratification of oil-water mixtures with different proportions of oil and water changes during the centrifugation process), the present application can adjust the position and size of the internal connecting port 66 and the external connecting port 67, making it convenient to adjust the position and size of the internal connecting port 66 and the external connecting port 67 according to the pre-calculated oil-water stratification boundary, thereby improving the oil-water separation effect and efficiency.

[0038] Specifically, the inner ring discharge assembly 7 includes a convex ring cylinder 71 and an inner ring sleeve 72. The convex ring cylinder 71 is arranged on the annular cylinder 6 and is connected to the inner ring cavity 62. The inner ring sleeve 72 is sleeved on the outside of the convex ring cylinder 71 and can rotate relative to the convex ring cylinder 71. Several first discharge ports 711 are provided on the cylinder wall of the convex ring cylinder 71, and a first discharge port 721 is provided at the bottom of the inner ring sleeve 72. A first collecting box 12 for receiving the first discharge port 721 is provided on the frame 1.

[0039] Specifically, the outer ring discharge assembly 8 includes an outer ring sleeve 81 and a partition 82. The outer ring sleeve 81 is sleeved on the annular cylinder 6 and can rotate relative to the annular cylinder 6. The annular cylinder 6 is provided with several second discharge ports 68 connected to the outer ring cavity 63. The bottom of the outer ring sleeve 81 is provided with a second discharge port 811. The frame 1 is provided with a second collection box 13 for receiving the second discharge port 811. The partition 82 is provided at the interval between the outer ring sleeve 81 and the inner ring sleeve 72 and is used to separate the first collection box 12 and the second collection box 13.

[0040] The centrifugally layered oil flows to the convex ring cylinder 71 through the internal connecting port 66 and the inner ring cavity 62. As the convex ring cylinder 71 rotates with the mounting cylinder 3, the oil inside it is discharged to the inner ring sleeve 72 through several first discharge ports 711 on its cylinder wall under the action of centrifugal force, and flows to the first collection box 12 through the first discharge port 721 at the lower end of the inner ring sleeve 72, thereby realizing the separation and recovery of the oil.

[0041] The water after centrifugal stratification flows to the outer ring cavity 63 through the external connecting port 67. During the rotation of the annular cylinder 6 with the mounting cylinder 3, the water in the outer ring cavity 63 is discharged to the outer ring sleeve 81 through several second discharge ports 68 on its cylinder wall under the action of centrifugal force, and flows to the second collecting box 13 through the second discharge port 811 at the lower end of the outer ring sleeve 81, thereby realizing the separation and recovery of the water.

[0042] Example 2:

[0043] Reference Figures 1 to 7, combined with the technical solution of Example 1, in this embodiment, the clutch mechanism 9 includes a mounting plate 91, an elastic member 92 and a magnetic attraction assembly 93. The mounting plate 91 is movably mounted on the annular cylinder 6 and the mounting plate 91 cannot rotate relative to the annular cylinder 6. A crown gear 911 and a bevel gear 912 are respectively provided on the front and rear surfaces of the mounting plate 91. The filter cartridge 2 is provided with a crown tooth portion 25 for the crown gear 911 to engage with. A fixing ring 14 is provided on the frame 1. The fixing ring 14 is provided with a bevel tooth groove 141 for the bevel gear 912 to engage with. The elastic member 92 can act on the mounting plate 91 to drive the crown gear 911 to engage with the crown tooth portion 25 and drive the bevel gear 912 away from the bevel tooth groove 141. The magnetic attraction assembly 93 can act on the mounting plate 91 to drive the crown gear 911 away from the crown tooth portion 25 and drive the bevel gear 912 to engage with the bevel tooth groove 141.

[0044] Specifically, a plurality of guide posts 69 are provided on the annular cylinder 6, and a mounting plate 91 is slidably mounted on the guide posts 69. The elastic member 92 is a spring, and each guide post 69 is sleeved with a spring. The spring can push the mounting plate 91 to drive the crown gear 911 to engage with the crown tooth portion 25 and drive the bevel gear 912 away from the bevel tooth groove 141.

[0045] Specifically, the magnetic attraction assembly 93 includes an electromagnet 931 and a magnetic block 932. The electromagnet 931 is set on the fixing ring 14, and the magnetic block 932 is set on the mounting plate 91. The electromagnet 931 can attract the magnetic block 932 to drive the crown gear 911 away from the crown tooth portion 25 and drive the bevel gear 912 to engage with the bevel tooth groove 141.

[0046] When the positions of the inner communication port 66 and the outer communication port 67 need to be adjusted, the electromagnet 931 is energized and attracts the magnetic block 932 to drive the mounting plate 91 to move, and the bevel gear 912 on the mounting plate 91 engages with the bevel tooth groove 141 on the fixing ring 14. At this time, the spring is in a compressed state, and the crown gear 911 is away from the crown tooth portion 25 on the filter cartridge 2, that is, the annular cylinder 6 is fastened to the fixing ring 14 of the frame 1. At this time, the driving mechanism 10 can drive the mounting cylinder 3 to rotate relative to the annular cylinder 6, so that the cover plate can rotate relative to the inner ring plate 64 and the outer ring plate 65, that is, the strip groove 51 moves relative to the inner triangular groove 641 and the outer triangular groove 651. The inner and outer connecting ports 66 and 67 are moved to adjust the positions and sizes of the inner and outer connecting ports 66 and 67. After the adjustment work is completed, the electromagnet 931 is powered off, and the spring pushes the mounting plate 91 to drive the bevel gear 912 away from the bevel tooth groove 141 and drive the crown gear 911 to engage with the crown tooth portion 25, that is, the annular cylinder 6 is re-tightened and installed on the filter cartridge 2. At this time, the inner and outer ring plates 64 and 65 can rotate with the cover plate, that is, the positions of the inner and outer connecting ports 66 and 67 will not change, so that the positions and sizes of the inner and outer connecting ports 66 and 67 can be adjusted according to the pre-calculated oil-water stratification boundary, thereby improving the oil-water separation effect and efficiency.

[0047] Specifically, the driving mechanism 10 is a servo motor, which is connected to the mounting cylinder 3 and can drive the mounting cylinder 3 to rotate. The servo motor can drive the mounting cylinder 3 to rotate in a gear transmission or pulley transmission manner.

[0048] Specifically, a control panel electrically connected to the driving mechanism 10 , the clutch mechanism 9 and the valve is provided on the frame 1 .

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, use the above technical content to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention shall fall within the scope of protection of the present technical solution.

Claims

1. An oil-water separation device for oil refining, characterized in that: include: A frame, a filter cartridge is rotatably provided on the frame, one end of the filter cartridge is connected to a feed pipe, the filter cartridge can rotate relative to the feed pipe, a valve capable of adjusting the amount of water inlet is provided at the feed pipe, a filtration area composed of a filter screen is provided on the filter cartridge, an outer spiral blade is provided on the outer wall of the filter cartridge, and an inner spiral blade is provided on the inner wall of the filter cartridge; a mounting cylinder, the mounting cylinder being sleeved on the outside of the filter cartridge and forming an annular channel for liquid flow between the filter cartridge and the filter cartridge; a sealing cover connected to the filter cartridge is provided at one end of the mounting cylinder, and an end cap for sealing the annular channel is rotatably provided at the other end of the mounting cylinder; a discharge trough for receiving material discharged from the filter cartridge is provided on the frame; An annular cylinder, the annular cylinder is rotatably mounted on the end cover, the annular cylinder is provided with an annular partition plate, the partition plate divides the annular cylinder into an inner annular cavity and an outer annular cavity, the end cover is provided with a strip groove, an inner ring plate is provided at the inner annular cavity, and an outer ring plate is provided at the outer annular cavity, the inner ring plate and the outer ring plate are respectively provided with an inner triangular groove and an outer triangular groove, the inner triangular groove can be staggered with the strip groove to form an inner connecting port connecting the inner annular cavity and the annular channel, the outer triangular groove can be staggered with the strip groove to form an outer connecting port connecting the outer annular cavity and the annular channel, the frame is provided with an inner ring discharge component for collecting materials discharged from the inner annular cavity and an outer ring discharge component for collecting materials discharged from the outer annular cavity; a driving mechanism, the driving mechanism being in driving connection with the mounting barrel and capable of driving the mounting barrel to rotate; A clutch mechanism is provided, wherein the clutch mechanism is capable of adjusting the fastening state among the annular cylinder, the frame and the end cover to drive the annular cylinder to rotate along with the end cover or to drive the end cover to rotate relative to the annular cylinder.

2. The oil-water separation equipment for oil refining according to claim 1, characterized in that: The inner ring discharge assembly includes a convex ring cylinder and an inner ring sleeve. The convex ring cylinder is arranged on the annular cylinder and is connected to the inner ring cavity. The inner ring sleeve is sleeved on the outside of the convex ring cylinder and can rotate relative to the convex ring cylinder. Several first discharge ports are provided on the cylinder wall of the convex ring cylinder, and a first discharge port is provided at the bottom of the inner ring sleeve. A first collection box for receiving the first discharge port is provided on the frame.

3. The oil-water separation equipment for oil refining according to claim 2, characterized in that: The outer ring discharge assembly includes an outer ring sleeve and a partition. The outer ring sleeve is sleeved on the annular cylinder and can rotate relative to the annular cylinder. The annular cylinder is provided with several second discharge ports connected to the outer ring cavity. The bottom of the outer ring sleeve is provided with a second discharge port. The frame is provided with a second collection box for receiving the second discharge port. The partition is provided at the interval between the outer ring sleeve and the inner ring sleeve and is used to separate the first collection box and the second collection box.

4. The oil-water separation equipment for oil refining according to claim 1, characterized in that: The clutch mechanism includes a mounting plate, an elastic member and a magnetic attraction component. The mounting plate is movably mounted on the annular cylinder and the mounting plate cannot rotate relative to the annular cylinder. A crown gear and a bevel gear are respectively provided on the front and rear surfaces of the mounting plate. The filter cylinder is provided with a crown tooth portion for the crown gear to engage with. The frame is provided with a fixing ring, and the fixing ring is provided with a bevel tooth groove for the bevel gear to engage with. The elastic member can act on the mounting plate to drive the crown gear to engage with the crown tooth portion and drive the bevel gear away from the bevel tooth groove. The magnetic attraction component can act on the mounting plate to drive the crown gear away from the crown tooth portion and drive the bevel gear to engage with the bevel tooth groove.

5. The oil-water separation equipment for oil refining according to claim 4, characterized in that: A plurality of guide pillars are provided on the annular cylinder, and the mounting plate is slidably mounted on the guide pillars. The elastic member is a spring, and each of the guide pillars is sleeved with the spring. The spring can push the mounting plate to drive the crown gear to engage with the crown tooth portion and drive the bevel gear away from the bevel tooth groove.

6. The oil-water separation equipment for oil refining according to claim 4, characterized in that: The magnetic attraction assembly includes an electromagnet and a magnetic block. The electromagnet is arranged on the fixing ring, and the magnetic block is arranged on the mounting plate. The electromagnet can attract the magnetic block to drive the crown gear away from the crown tooth portion and drive the bevel gear to engage with the bevel tooth groove.

7. The oil-water separation equipment for oil refining according to claim 1, characterized in that: The driving mechanism is a servo motor, which is transmission-connected to the mounting cylinder and can drive the mounting cylinder to rotate.

8. The oil-water separation equipment for oil refining according to claim 1, characterized in that: The frame is provided with a control panel electrically connected to the driving mechanism, the clutch mechanism and the valve.

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