High-precision oil removal device and oil removal process for feed liquid

Abstract

The invention discloses a feed liquid high-precision oil removal device and an oil removal process, and relates to the technical field of oil removal devices.The feed liquid high-precision oil removal device comprises a device body, a bottom plate is fixedly connected to the bottom face of the device body, a control table is fixedly installed on the surface of the device body, and a first fixing seat is fixedly installed on one side of the device body; a first bag type filter is detachably mounted on the first fixing seat, a butt joint pipe is fixedly connected to the first bag type filter, a first pipeline is fixedly connected to the bottom end of the first bag type filter, and the other end of the first pipeline is fixedly connected to the device body; a partition plate is fixedly connected to the middle end position in the device body. The oil removal device is reasonable in structure, an oil-containing feed liquid solution is treated for multiple times through a coalescence filter element and a retardation filter element on the filter assembly, finally, the feed liquid solution is injected into the second treatment bin, and further precise oil removal work is conducted on the feed liquid solution through an activated carbon plate in the second treatment bin.

Description

Technical Field

[0001] The invention relates to the technical field of oil removal devices, and in particular to a high-precision oil removal device for liquid feed and an oil removal process. Background Art

[0002] In the process of recycling high-purity raw materials for new energy batteries from waste resources, the raw materials need to be purified through extraction-strip extraction-extraction-strip extraction, evaporation and crystallization of the feed liquid, etc. Based on the quality requirements of the product and the process requirements of the production process, it is necessary to reduce the organic phase (sulfonated kerosene plus extraction agent) in the feed liquid to 20ppm or below during the purification process of the feed liquid.

[0003] When traditional processes are used to treat oil-containing liquid solutions, most of them use ultrasonic flotation technology to treat the oil-containing liquid solutions. However, this treatment method has defects such as poor separation effect, inability to recover resources, and large footprint. Summary of the invention

[0004] The purpose of the present application is to provide a high-precision liquid oil removal device and oil removal process, which performs multiple treatments on the oil-containing liquid solution through the coalescing filter element and the blocking filter element on the filter assembly, and finally injects the liquid solution into the interior of the second processing bin, and performs further precision oil removal on the liquid solution through the activated carbon plate inside the second processing bin.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a high-precision liquid oil removal device and oil removal process, comprising a device body, a bottom plate is fixedly connected to the bottom surface of the device body, a control console is fixedly installed on the surface of the device body, a first fixed seat is fixedly installed on one side of the device body, a first bag filter is detachably installed on the first fixed seat, a butt pipe is fixedly connected to the first bag filter, a first pipe is fixedly connected to the bottom end of the first bag filter, the other end of the first pipe is fixedly connected to the device body, a partition is fixedly connected to the middle end of the device body, and a first processing device is provided on one side of the partition. A second processing bin is arranged on the other side of the partition, a second pipe is fixedly connected to the other side of the device body, a second bag filter is fixedly installed on the other end of the second pipe, the second bag filter is detachably installed on the second fixed seat, and a liquid outlet pipe is fixedly connected to the second bag filter; it also includes a filter assembly, a limit assembly and a docking assembly, the filter assembly is arranged inside the device body to cooperate with the first bag filter for use, the limit assembly is arranged inside the second processing bin for use with the filter assembly, and the docking assembly is arranged inside the second processing bin to be used in conjunction with the activated carbon plate.

[0006] Preferably, the filtering assembly includes a third pipe fixedly connected to the inner wall of the first processing chamber, the third pipe is interconnected with the partition, the other end of the third pipe is fixedly connected to the equipment box, both sides of the equipment box are fixedly connected with fixing frames, the fixing frames are fixedly connected to the inner wall of the partition, and the bottom position of the equipment box is fixedly connected with a separation tube, one end of the separation tube extends outside the device body.

[0007] Preferably, a coalescing filter element is detachably installed inside the equipment box, one end of the coalescing filter element is interconnected with the other end of the third pipe, the other end of the coalescing filter element is connected to the fourth pipe, the other end of the fourth pipe is connected to one end of a blocking filter element, the blocking filter element is detachably installed inside the equipment box, the other end of the blocking filter element is connected to the fifth pipe, the other end of the fifth pipe is fixedly connected to the main pipe, the other end of the main pipe is fixedly connected to one side of the partition, the other side of the partition is fixedly connected to the sixth pipe, and the sixth pipe is interconnected with the main pipe.

[0008] Preferably, the limiting assembly includes a pair of support plates fixedly mounted on the inner wall of the second processing bin, the pair of support plates being fixedly connected with a support plate, the top of the support plate being fixedly connected with a cross plate, both ends of the cross plate being fixedly connected with a limiting rod, the other end of the limiting rod being fixedly connected with a baffle, the limiting rod being slidably connected with an adjustment box, the limiting rod being sleeved with a first spring, and both ends of the first spring being fixedly connected with one side of the baffle and the inner wall of the adjustment box, respectively.

[0009] Preferably, a through slot is provided in the middle of the adjustment box, a sliding column is slidably connected inside the through slot, the bottom end of the sliding column is fixedly connected to the support plate, a docking seat is fixedly connected to the middle of the inner wall of the adjustment box, and a pull rod is fixedly connected to the docking seat.

[0010] Preferably, a card slot is provided on the regulating box, a card plate is provided inside the card slot, a top end of the card plate is fixedly connected to a side plate, and one end of the side plate is fixedly connected to a collecting hopper.

[0011] Preferably, the docking assembly includes a frame fixedly connected to the inner wall of the second processing chamber, and the frame has accommodating grooves on both sides of the top surface. A box body is provided inside the accommodating groove, and two sets of guide rails are fixedly connected to the inner wall of the box body. Sliders are slidably connected inside the two sets of guide rails, and the slides are fixedly connected to the activated carbon plate.

[0012] Preferably, a positioning rod is fixedly connected to the interior of the box body, a sleeve block is slidably connected to the positioning rod, the sleeve block is fixedly connected to the middle position of the activated carbon plate, a control block is fixedly connected to the top of the sleeve block, a card block is fixedly connected to the interior of the control block, one side of the card block is attached to the surface of the positioning rod, and a guide groove is provided on the control block.

[0013] Preferably, both sides of the control block are fixedly connected with axle seats, the axle seats are fixedly connected with side rods, the side rods are slidably connected with sleeves, the side rods are sleeved with a second spring, one end of the sleeve extends through the axle seat to the interior of the control block and is fixedly connected to the pressure block, one side of the pressure block is fitted on the positioning rod, the other side of the pressure block is fixedly connected with an arc groove, a convex shaft is fitted on the inner wall of the arc groove, both ends of the convex shaft are rotatably connected to the hinge seat, and the hinge seat is fixedly connected to the control block.

[0014] The present invention also provides a high-precision liquid oil removal process, comprising the following steps:

[0015] The oil-containing liquid solution is injected into the interior of the first bag filter through the butt joint, the oil-containing liquid solution is pre-treated by the first bag filter, and then enters the interior of the device body through the first pipe, and a coalescing filter element and a blocking filter element are arranged in the interior of the first processing bin, and the oil in the oil-containing liquid solution is separated by the use of the coalescing filter element and the blocking filter element, and then enters the interior of the sixth pipe through the main pipe on the fifth pipe, and the sixth pipe discharges the liquid solution into the interior of the second processing bin, and further precision oil removal is performed through the activated carbon plate, and finally the liquid solution is processed and discharged through the second bag filter.

[0016] In summary, the present invention has the following beneficial effects:

[0017] 1. The structure of the present invention is reasonable. The pipeline of the feed liquid solution is connected with the docking pipe, and then the oil-containing feed liquid solution enters the interior of the first bag filter through the docking pipe. The first bag filter can remove impurities such as suspended matter and some colloids in the solution, and then the solution enters the interior of the device body through the first pipeline. An equipment box is arranged inside the first processing bin, and a coalescing filter element is arranged inside the equipment box. The liquid of the feed liquid solution flows from the inside to the outside inside the coalescing filter element. The dispersed small liquid droplets collide and merge on the surface of the gradient precision fiber filaments on the coalescing filter element, gradually merge and become larger until the volume increases to be able to settle and be discharged to the outside of the coalescing filter element. Large particles will float to the top of the equipment box and be discharged regularly. Small organic phase particles enter the interior of the next-level blocking filter element through the fourth pipeline along with the water flow. The blocking filter element has a very strong oleophobicity and will gradually become larger and gather on the surface of the material, thereby achieving a separation effect.

[0018] 2. In the present invention, when the collecting hopper is removed to replace the activated carbon plate, the pull rod is pulled, the bottom end of the pull rod is fixedly connected to the docking seat, and the docking seat is fixedly installed on the adjustment box. The pull of the pull rod drives the adjustment box to slide on the limit rod through the docking seat, and then a card slot is opened on the adjustment box, and a card plate is carded inside the card slot. The card plate is separated from the inside of the card slot by the movement of the adjustment box, so that the collecting hopper can be removed as a whole;

[0019] 3. In the present invention, the treated liquid solution will enter the interior of the second processing chamber through the sixth pipe. An activated carbon plate is arranged inside the second processing chamber. The activated carbon plate will perform further precision oil removal on the liquid solution. When the activated carbon plate is disassembled, the cam shaft is rotated to make one side of the pressing block separate from the surface of the positioning rod through the rotation of the cam shaft, and then the sleeve on the pressing block will slide on the side rod to increase the stability of the movement of the pressing block, thereby facilitating the disassembly and replacement of the activated carbon plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the device body;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the device body from a top view;

[0023] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the device body;

[0024] Figure 4 It is a schematic diagram of the cross-section three-dimensional structure of the equipment box;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the device body from a side view;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the aggregate hopper;

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the support plate;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the box;

[0029] Fig. 9 This is a schematic diagram of the three-dimensional structure of the box when viewed from above;

[0030] Fig.10 for Figure 8 Enlarged structural diagram at A in the middle.

[0031] In the figure: 1. device body; 101. bottom plate; 102. control console; 103. first fixing seat; 104. first bag filter; 105. butt joint; 106. first pipeline; 107. partition; 108. first processing chamber; 109. second processing chamber; 110. second pipeline; 112. second bag filter; 113. second fixing seat; 114. liquid outlet pipe; 2. third pipeline; 201. equipment box; 202. fixing frame; 203. separation pipe; 204. coalescing filter element; 205. fourth pipeline; 206. blocking filter element; 207. fifth pipeline; 208. main pipeline; 209. sixth pipeline; 3. support plate; 301. support plate; 302. Horizontal plate; 303, limit rod; 304, baffle; 305, adjustment box; 306, first spring; 307, through groove; 308, slide column; 309, docking seat; 310, pull rod; 311, clamping groove; 312, clamping plate; 313, side plate; 314, collecting hopper; 4, frame; 402, accommodating groove; 403, box body; 404, guide rail; 405, slider; 406, activated carbon plate; 407, positioning rod; 408, sleeve block; 5, control block; 501, clamping block; 502, guide groove; 503, shaft seat; 504, side rod; 505, sleeve seat; 506, second spring; 507, pressure block; 508, arc groove; 509, convex shaft; 510, hinge seat. DETAILED DESCRIPTION

[0032] 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.

[0033] Example: Reference Figure 1 - Fig.10The device and process for removing oil from liquid with high precision shown in the figure include a device body 1, a bottom plate 101 is fixedly connected to the bottom surface of the device body 1, a control console 102 is fixedly installed on the surface of the device body 1, a first fixing seat 103 is fixedly installed on one side of the device body 1, a first bag filter 104 is detachably installed on the first fixing seat 103, a butt pipe 105 is fixedly connected to the first bag filter 104, a first pipe 106 is fixedly connected to the bottom end of the first bag filter 104, the other end of the first pipe 106 is fixedly connected to the device body 1, a partition 107 is fixedly connected to the middle end of the device body 1, a first processing chamber 108 is arranged on one side of the partition 107, and the partition A second processing chamber 109 is provided on the other side of 107, and a second pipe 110 is fixedly connected to the other side of the device body 1, and a second bag filter 112 is fixedly installed on the other end of the second pipe 110. The second bag filter 112 is detachably installed on a second fixed seat 113, and a liquid outlet pipe 114 is fixedly connected to the second bag filter 112; it also includes a filter assembly, a limit assembly and a docking assembly. The filter assembly is arranged inside the device body 1 to cooperate with the first bag filter 104 for use, the limit assembly is arranged inside the second processing chamber 109 for use with the filter assembly, and the docking assembly is arranged inside the second processing chamber 109 for use with the activated carbon plate 406.

[0034] Specifically, it should be noted that the oil-containing liquid solution enters the interior of the first bag filter 104 through the docking tube 105. The first bag filter 104 can remove impurities such as suspended matter and some colloids in the oil-containing liquid solution. Then, after treatment, it enters the interior of the second bag filter 112 through the second pipe 110 for further treatment. The specific processing principle is referenced by the existing technology and will not be elaborated on here.

[0035] As an implementation method in this embodiment, the filtering component includes a third pipe 2 fixedly connected to the inner wall of the first processing chamber 108, the third pipe 2 and the partition 107 are interconnected, the other end of the third pipe 2 is fixedly connected to the equipment box 201, and the two sides of the equipment box 201 are fixedly connected with a fixing frame 202, the fixing frame 202 is fixedly connected to the inner wall of the partition 107, and the bottom position of the equipment box 201 is fixedly connected with a separation tube 203, one end of the separation tube 203 extends to the outside of the device body 1, and the interior of the equipment box 201 is detachably installed with a coalescing filter element 204, and the coalescing filter element 204 One end is interconnected with the other end of the third pipe 2, the other end of the coalescing filter element 204 is connected to the fourth pipe 205, the other end of the fourth pipe 205 is connected to one end of the blocking filter element 206, the blocking filter element 206 is detachably installed inside the equipment box 201, the other end of the blocking filter element 206 is connected to the fifth pipe 207, the other end of the fifth pipe 207 is fixedly connected to the main pipe 208, the other end of the main pipe 208 is fixedly connected to one side of the partition 107, the other side of the partition 107 is fixedly connected to the sixth pipe 209, and the sixth pipe 209 and the main pipe 208 are interconnected.

[0036] Specifically, the pipeline of the feed liquid solution is connected to the docking pipe 105, and then the oil-containing feed liquid solution enters the interior of the first bag filter 104 through the docking pipe 105. The first bag filter 104 can remove impurities such as suspended matter and some colloids in the solution, and then the solution enters the interior of the device body 1 through the first pipe 106. An equipment box 201 is arranged inside the first processing warehouse 108, and a coalescing filter element 204 is arranged inside the equipment box 201. The liquid of the feed liquid solution flows from the inside to the outside inside the coalescing filter element 204, and the dispersed small liquid droplets collide and merge on the surface of the gradient precision fiber filaments on the coalescing filter element 204, gradually merge and become larger until the volume increases to be able to settle and be discharged to the outside of the coalescing filter element 204, and the large particles will float to the top of the equipment box 201 and be discharged regularly. The small organic phase particles enter the interior of the next-level blocking filter element 206 through the fourth pipe 205 along with the water flow. The blocking filter element 206 has a very strong oleophobicity and will gradually become larger and gather on the surface of the material, thereby achieving a separation effect.

[0037] As an implementation method in this embodiment, the limiting assembly includes a pair of support plates 3 fixedly installed on the inner wall of the second processing chamber 109, the pair of support plates 3 are fixedly connected with a support plate 301, the top of the support plate 301 is fixedly connected with a cross plate 302, both ends of the cross plate 302 are fixedly connected with a limiting rod 303, the other end of the limiting rod 303 is fixedly connected with a baffle 304, the limiting rod 303 is slidably connected with an adjustment box 305, the limiting rod 303 is sleeved with a first spring 306, and the two ends of the first spring 306 are respectively connected with one side of the baffle 304 and the adjustment box The inner wall of 305 is fixedly connected, a through slot 307 is provided in the middle position of the adjusting box 305, a sliding column 308 is slidably connected inside the through slot 307, and the bottom end of the sliding column 308 is fixedly connected to the support plate 3, a docking seat 309 is fixedly connected to the middle position of the inner wall of the adjusting box 305, a pull rod 310 is fixedly connected to the docking seat 309, a card slot 311 is provided on the adjusting box 305, a card plate 312 is carded inside the card slot 311, the top end of the card plate 312 is fixedly connected to the side plate 313, and one end of the side plate 313 is fixedly connected to the collecting hopper 314.

[0038] Specifically, when the collecting hopper 314 is removed to replace the activated carbon plate 406, the pull rod 310 is pulled, and the bottom end of the pull rod 310 is fixedly connected to the docking seat 309, and the docking seat 309 is fixedly installed on the adjusting box 305. The pulling of the pull rod 310 drives the adjusting box 305 to slide on the limiting rod 303 through the docking seat 309, and then a slot 311 is opened on the adjusting box 305, and a card plate 312 is clamped inside the slot 311. The card plate 312 is separated from the inside of the slot 311 by the movement of the adjusting box 305, so as to facilitate the removal of the collecting hopper 314 as a whole.

[0039] As an implementation method in this embodiment, the docking assembly includes a frame 4 fixedly connected to the inner wall of the second processing chamber 109, and the top surface of the frame 4 is provided with a receiving groove 402 on both sides, and the interior of the receiving groove 402 is provided with a box body 403, and the inner wall of the box body 403 is fixedly connected with two sets of guide rails 404, and the interior of the two sets of guide rails 404 is slidably connected with a slider 405, and the slider 405 is fixedly connected to the activated carbon board 406, and the interior of the box body 403 is fixedly connected with a positioning rod 407, and the positioning rod 407 is slidably connected with a sleeve block 408, and the sleeve block 408 is fixedly connected to the middle position of the activated carbon board 406, and the top of the sleeve block 408 is fixedly connected with a control block 5, and the interior of the control block 5 is fixedly connected with a card block 501 One side of the card block 501 is attached to the surface of the positioning rod 407, a guide groove 502 is provided on the control block 5, and shaft seats 503 are fixedly connected on both sides of the control block 5, and side rods 504 are fixedly connected to the shaft seats 503, and sleeve seats 505 are slidably connected to the side rods 504. A second spring 506 is sleeved on the side rods 504, and one end of the sleeve seat 505 extends through the shaft seat 503 to the interior of the control block 5 and is fixedly connected to the pressing block 507. One side of the pressing block 507 is attached to the positioning rod 407, and the other side of the pressing block 507 is fixedly connected to an arc groove 508, and a convex shaft 509 is attached to the inner wall of the arc groove 508. Both ends of the convex shaft 509 are rotatably connected to the hinge seat 510, and the hinge seat 510 is fixedly connected to the control block 5.

[0040] Specifically, the treated liquid solution will enter the interior of the second processing chamber 109 through the sixth pipe 209. An activated carbon plate 406 is arranged inside the second processing chamber 109. The activated carbon plate 406 will further precisely remove oil from the liquid solution. When the activated carbon plate 406 is disassembled, the cam 509 is rotated. Through the rotation of the cam 509, one side of the pressing block 507 is separated from the surface of the positioning rod 407, and then the sleeve 505 on the pressing block 507 slides on the side rod 504, thereby increasing the stability of the movement of the pressing block 507, thereby facilitating the disassembly and replacement of the activated carbon plate 406.

[0041] The working principle of the present invention is as follows: the pipeline of the feed liquid solution is docked with the docking pipe 105, and then the oil-containing feed liquid solution enters the interior of the first bag filter 104 through the docking pipe 105. The first bag filter 104 can remove impurities such as suspended matter and some colloids in the solution, and then the solution enters the interior of the device body 1 through the first pipe 106. An equipment box 201 is arranged inside the first processing warehouse 108, and a coalescing filter element 204 is arranged inside the equipment box 201. The liquid of the feed liquid solution flows from the inside to the outside inside the coalescing filter element 204, and the dispersed small liquid droplets collide and merge on the surface of the gradient precision fiber filaments on the coalescing filter element 204, gradually merge and become larger until the volume increases to be able to settle and be discharged to the outside of the coalescing filter element 204, and the large particles will float to the top of the equipment box 201 and be discharged regularly. The small organic phase particles enter the interior of the next-level blocking filter element 206 through the fourth pipe 205 along with the water flow. The blocking filter element 206 has a very strong oleophobicity and will gradually become larger and gather on the surface of the material, thereby achieving the separation effect;

[0042] When the collecting hopper 314 is removed to replace the activated carbon plate 406, the pull rod 310 is pulled, and the bottom end of the pull rod 310 is fixedly connected to the docking seat 309, and the docking seat 309 is fixedly installed on the adjustment box 305. The pulling of the pull rod 310 drives the adjustment box 305 to slide on the limit rod 303 through the docking seat 309, and then a slot 311 is opened on the adjustment box 305, and a card plate 312 is clamped inside the slot 311. The card plate 312 is separated from the inside of the slot 311 by the movement of the adjustment box 305, so that the collecting hopper 314 can be removed as a whole.

[0043] The treated liquid solution will enter the interior of the second processing chamber 109 through the sixth pipe 209. An activated carbon plate 406 is arranged inside the second processing chamber 109. The activated carbon plate 406 will further precisely remove oil from the liquid solution. When the activated carbon plate 406 is disassembled, the cam 509 is rotated to make one side of the pressing block 507 detach from the surface of the positioning rod 407 through the rotation of the cam 509, and then the sleeve 505 on the pressing block 507 will slide on the side rod 504 to increase the stability of the movement of the pressing block 507, thereby facilitating the disassembly and replacement of the activated carbon plate 406.

[0044] The present invention also provides a high-precision liquid oil removal process, comprising the following steps:

[0045] The oil-containing liquid solution is injected into the interior of the first bag filter 104 through the docking tube 105, and the oil-containing liquid solution is pre-treated by the first bag filter 104, and then enters the interior of the device body 1 through the first pipe 106. A coalescing filter element 204 and a blocking filter element 206 are arranged in the interior of the first processing chamber 108. The coalescing filter element 204 and the blocking filter element 206 are used together to separate the oil in the oil-containing liquid solution, and then enter the interior of the sixth pipe 209 through the main pipe 208 on the fifth pipe 207. The sixth pipe 209 discharges the liquid solution into the interior of the second processing chamber 109, and further precision oil removal is performed through the activated carbon plate 406. Finally, the liquid solution is processed and discharged through the second bag filter 112.

[0046] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision liquid oil removal device, comprising a device body (1), characterized in that: The bottom surface of the device body (1) is fixedly connected to a bottom plate (101); a control console (102) is fixedly mounted on the surface of the device body (1); a first fixing seat (103) is fixedly mounted on one side of the device body (1); a first bag filter (104) is detachably mounted on the first fixing seat (103); a butt pipe (105) is fixedly connected to the first bag filter (104); a first pipe (106) is fixedly connected to the bottom end of the first bag filter (104); the other end of the first pipe (106) is fixedly connected to the device body (1); A partition (107) is fixedly connected to the middle end of the device body (1); a first processing chamber (108) is provided on one side of the partition (107); a second processing chamber (109) is provided on the other side of the partition (107); a second pipe (110) is fixedly connected to the other side of the device body (1); a second bag filter (112) is fixedly installed at the other end of the second pipe (110); the second bag filter (112) is detachably installed on a second fixing seat (113); and a liquid outlet pipe (114) is fixedly connected to the second bag filter (112); It also includes a filter component, a limit component and a docking component, wherein the filter component is arranged inside the device body (1) to be used in conjunction with the first bag filter (104), the limit component is arranged inside the second processing chamber (109) to be used in conjunction with the filter component, and the docking component is arranged inside the second processing chamber (109) to be used in conjunction with the activated carbon plate (406).

2. A high-precision liquid oil removal device according to claim 1, characterized in that: The filtering assembly comprises a third pipe (2) fixedly connected to the inner wall of the first processing chamber (108); the third pipe (2) and the partition (107) are interconnected; the other end of the third pipe (2) is fixedly connected to the equipment box (201); fixed frames (202) are fixedly connected to both sides of the equipment box (201); the fixed frames (202) are fixedly connected to the inner wall of the partition (107); a separation pipe (203) is fixedly connected to the bottom of the equipment box (201); one end of the separation pipe (203) extends to the outside of the device body (1).

3. A high-precision liquid oil removal device according to claim 2, characterized in that: A coalescing filter element (204) is detachably installed inside the equipment box (201); one end of the coalescing filter element (204) is in communication with the other end of the third pipe (2); the other end of the coalescing filter element (204) is connected to a fourth pipe (205); the other end of the fourth pipe (205) is connected to one end of a blocking filter element (206); the blocking filter element (206) is detachably installed inside the equipment box (201); the other end of the blocking filter element (206) is connected to a fifth pipe (207); the other end of the fifth pipe (207) is fixedly connected to a main pipe (208); the other end of the main pipe (208) is fixedly connected to one side of the partition (107); the other side of the partition (107) is fixedly connected to a sixth pipe (209); the sixth pipe (209) and the main pipe (208) are in communication with each other.

4. The high-precision liquid oil removal device according to claim 1, characterized in that: The limiting assembly comprises a pair of supporting plates (3) fixedly mounted on the inner wall of the second processing chamber (109), the pair of supporting plates (3) being fixedly connected with a supporting plate (301), the top end of the supporting plate (301) being fixedly connected with a transverse plate (302), both ends of the transverse plate (302) being fixedly connected with a limiting rod (303), the other end of the limiting rod (303) being fixedly connected with a blocking piece (304), the limiting rod (303) being slidably connected with an adjusting box (305), the limiting rod (303) being sleeved with a first spring (306), the two ends of the first spring (306) being fixedly connected with one side of the blocking piece (304) and the inner wall of the adjusting box (305), respectively.

5. A high-precision liquid oil removal device according to claim 4, characterized in that: A through slot (307) is provided in the middle of the regulating box (305), a sliding column (308) is slidably connected inside the through slot (307), the bottom end of the sliding column (308) is fixedly connected to the support plate (3), a docking seat (309) is fixedly connected to the middle of the inner wall of the regulating box (305), and a pull rod (310) is fixedly connected to the docking seat (309).

6. A high-precision liquid oil removal device according to claim 5, characterized in that: The regulating box (305) is provided with a card slot (311), a card plate (312) is provided inside the card slot (311), the top end of the card plate (312) is fixedly connected to the side plate (313), and one end of the side plate (313) is fixedly connected to the collecting hopper (314).

7. The high-precision liquid oil removal device according to claim 3 is characterized in that: The docking assembly comprises a frame (4) fixedly connected to the inner wall of the second processing chamber (109), the top surface of the frame (4) is provided with accommodating grooves (402) on both sides, the interior of the accommodating groove (402) is provided with a box body (403), the inner wall of the box body (403) is fixedly connected with two groups of guide rails (404), the interior of the two groups of guide rails (404) is slidably connected with a slider (405), and the slider (405) is fixedly connected to the activated carbon plate (406).

8. The high-precision liquid oil removal device according to claim 7, characterized in that: A positioning rod (407) is fixedly connected inside the box body (403), a sleeve block (408) is slidably connected to the positioning rod (407), the sleeve block (408) is fixedly connected to the middle position of the activated carbon plate (406), the top of the sleeve block (408) is fixedly connected to a control block (5), the control block (5) is fixedly connected inside with a clamping block (501), one side of the clamping block (501) is attached to the surface of the positioning rod (407), and a guide groove (502) is provided on the control block (5).

9. The high-precision liquid oil removal device according to claim 8, characterized in that: The control block (5) is fixedly connected with an axle seat (503) on both sides, and a side rod (504) is fixedly connected to the axle seat (503), and a sleeve seat (505) is slidably connected to the side rod (504), and a second spring (506) is sleeved on the side rod (504), and one end of the sleeve seat (505) extends through the axle seat (503) to the inside of the control block (5) and is fixedly connected to a pressure block (507), and one side of the pressure block (507) is affixed to the positioning rod (407), and the other side of the pressure block (507) is fixedly connected with an arc groove (508), and a convex shaft (509) is affixed to the inner wall of the arc groove (508), and both ends of the convex shaft (509) are rotatably connected to an articulated seat (510), and the articulated seat (510) is fixedly connected to the control block (5).

10. A high-precision liquid oil removal process, based on a high-precision liquid oil removal device according to any one of claims 1 to 9, characterized in that: The steps include: The oil-containing feed solution is injected into the interior of the first bag filter (104) through the butt joint (105), and the oil-containing feed solution is pre-treated by the first bag filter (104), and then enters the interior of the device body (1) through the first pipe (106). A coalescing filter element (204) and a blocking filter element (206) are arranged in the interior of the first processing chamber (108). The coalescing filter element (204) and the blocking filter element (206) are used in combination to separate the oil in the oil-containing feed solution, and then enter the interior of the sixth pipe (209) through the main pipe (208) on the fifth pipe (207). The sixth pipe (209) discharges the feed solution into the interior of the second processing chamber (109), and further precision oil removal is performed through the activated carbon plate (406). Finally, the feed solution is processed and discharged through the second bag filter (112).

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