A waste oil impurity removal device and method

Abstract

This invention discloses a waste oil impurity removal device and method, relating to the field of waste oil impurity removal technology. The waste oil impurity removal device includes a shell, with a base plate fixedly installed inside the shell. A collection chamber is installed below the base plate inside the shell. A partition is installed between one end of the base plate and the inner wall of the shell. A second sealing plate is elastically connected to the two side walls of the partition. Square grooves that slide and adapt to the second sealing plate are provided on the side walls of the base plate and the shell near the second sealing plate. A driving component is installed at the center of the partition, and an auxiliary component is installed on the base plate. In use, the second sealing plate protrudes from the two side walls of the partition and extends into the square groove to fit against the first sealing plate, thereby sealing the gap between the partition, the base plate, and the shell, and avoiding the problem of oil leakage caused by the gap at the outlet.

Description

Technical Field

[0001] This invention relates to the field of waste oil impurity removal technology, specifically a waste oil impurity removal device and method. Background Technology

[0002] Waste lubricating oil refers to lubricating oil that has been replaced during use in various machines and equipment due to oxidation, thermal decomposition, and contamination by impurities. Its physical and chemical properties have reached their respective oil replacement standards. The oil contains impurities, so the removal of impurities is an essential part of the waste lubricating oil regeneration process.

[0003] Chinese Patent Publication No. CN218980793U discloses a waste oil recycling device for lubricating oil, including a processing tank and a storage tank. The bottom of the processing tank is provided with a cleaning mechanism, and the upper part of the processing tank is provided with a dirt removal mechanism. The dirt removal mechanism includes a filter basket, a support, and a shell. The support is welded to the top outer wall of the processing tank. The filter basket is inserted into the processing tank near the upper end. The shell is welded into the processing tank and located below the filter basket. The bottom of the filter basket has several sets of filter holes.

[0004] The aforementioned device removes, settles, and cleans impurities from waste oil through a processing tank and an impurity collection chamber. The two are separated by a rotating movable plate and a fixed guide plate. However, in actual use, since the movable plate needs to be tightly fitted and sealed with the guide plate, in the above scheme, if the movable plate and the guide plate are sealed together, they cannot rotate, thus preventing the impurities in the processing tank from being discharged. If the movable plate can rotate, there will be a gap between the movable plate and the guide plate. This will cause the waste oil to flow out from the gap before it has been cleaned.

[0005] Therefore, it is necessary to provide a waste oil impurity removal device and method to solve the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide a waste oil impurity removal device and method to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a waste oil removal device, comprising a housing, a bottom plate disposed inside the housing; a collection chamber disposed below the bottom plate inside the housing; a partition disposed between one end of the bottom plate and the inner wall of the housing; a second sealing plate elastically connected to the inner side walls of the partition; square grooves that slide and adapt to the second sealing plates are provided on the side walls of the bottom plate and the housing near the second sealing plates; a driving component is disposed at the center of the partition; an auxiliary component is disposed on the bottom plate; when the driving component rotates, the driving component drives the second sealing plate to move inward into the partition; when the second sealing plate moves inward into the partition and can no longer move, the driving component drives the partition to rotate.

[0008] As a further aspect of the present invention: the drive assembly includes a drive shaft; the drive shaft passes through the center of both ends of the partition, and the two ends of the drive shaft are rotatably connected to the side wall of the outer shell; a sleeve is sleeved around the drive shaft, and the sleeve is rotatably disposed inside the partition; a pull rope is fixedly disposed at the center of one end of the second sealing plate near the sleeve, and the end of the pull rope away from the second sealing plate is fixedly connected to the sleeve; a stop bar is disposed below the partition, and the two ends of the stop bar are fixedly connected to the outer shell.

[0009] As a further aspect of the present invention: cylinders are fixedly provided on the inner walls of both ends of the sleeve, and an annular groove is provided on the drive shaft to slide and fit with the cylinders, and a notch is provided on the side of the annular groove near the end of the sleeve.

[0010] As a further aspect of the present invention: a sliding groove is provided at the bottom of the partition, the sliding groove is symmetrically arranged along the bottom center of the partition, a trigger plate is slidably arranged in the sliding groove, and a fixing plate is provided on both sides of the outer periphery of the sleeve, the bottom of the fixing plate slides through the side wall of the partition, and the bottom of the fixing plate is fixedly connected to the top of the trigger plate.

[0011] As a further embodiment of the present invention: a movable groove is provided on the fixed plate, a rotating ring is rotatably connected to the outer periphery of the end of the sleeve, an extension column extending into the movable groove is fixedly provided on the outer periphery of the rotating ring, and a one-way block is elastically connected to the drive shaft, the one-way block being correspondingly positioned in the annular groove.

[0012] As a further aspect of the present invention: the top two ends of the trigger plate are symmetrically connected to a limiting plate along the center, and an airbag is provided between the side of the limiting plate away from the fixed plate and the inner wall of the trigger plate, and multiple sets of air holes communicating with the airbag are arranged in an array on both sides of the trigger plate.

[0013] As a further aspect of the present invention: the auxiliary component includes a scraper; a spiral frame is sleeved around the scraper, and connecting posts are fixedly provided at both ends of the spiral frame. A conveyor belt is rotatably connected to the end of the connecting post away from the spiral frame. An auxiliary shaft is driven and engaged at both ends of the conveyor belt. A groove is provided on the inner wall of the outer shell, and both the conveyor belt and the auxiliary shaft are disposed in the groove. The bottom of the scraper is slidably attached to the top of the base plate.

[0014] As a further aspect of the present invention: a guide rod is fixedly provided on the top of the scraper, and guide grooves that slide and fit with the guide rod are provided on both sides of the inner wall of the outer shell.

[0015] As a further embodiment of the present invention: a driven shaft is rotatably connected inside the stop rod, a toothed plate is slidably connected to the center of the side wall of the stop rod, a first toothed ring is provided at the end of a set of auxiliary shafts near the partition, the first toothed ring is fixedly provided at the end of the auxiliary shaft away from the scraper, a second toothed ring is fixedly provided on the periphery of the end of the drive shaft away from the partition, an L-plate is rotatably connected on the periphery of the end of the driven shaft away from the partition, and a gear is rotatably connected on the end of the L-plate away from the driven shaft, the gear being in transmission engagement with both the first toothed ring and the second toothed ring.

[0016] A method for removing impurities from waste oil using any of the waste oil removal devices described above includes the following steps:

[0017] S1. Add the waste oil to be treated and the flocculant into the shell through the feed port;

[0018] S2. Start the stirring rod to fully mix the flocculant and waste oil, and then let the impurities settle on the bottom plate;

[0019] S3. Start the drive assembly to move the second sealing plate into the partition and separate it from the square groove. Then, when the second sealing plate moves to its maximum position in the partition, the drive assembly drives the partition to rotate to a vertical position, and then discharges impurities from the bottom plate.

[0020] S4. After cleaning the impurities on the bottom plate, start the drive assembly to make the partition rotate and reset.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: Through the cooperation of the first sealing plate, the second sealing plate, and the square groove, in use, the second sealing plate protrudes from both sides of the partition and extends into the square groove to fit against the first sealing plate, thereby sealing the gap between the partition, the bottom plate, and the outer shell, avoiding the problem of oil leakage caused by the gap in the outlet. Then, the drive assembly is activated. The drive assembly rotates clockwise to first move the second sealing plate into the partition and separate it from the square groove. Then, when the second sealing plate moves into the partition until it can no longer move, the drive assembly causes the partition to rotate clockwise through the second sealing plate to open the outlet. Then, when the partition rotates 90°, the drive assembly drives the auxiliary assembly to move relative to the partition on the bottom plate, thereby scraping away the impurities deposited on the bottom plate towards the outlet, realizing rapid cleaning of the bottom plate, thus saving the time required for impurities to flow through gravity on the bottom plate and improving production efficiency. Attached Figure Description

[0022] Figure 1 This is a frontal three-dimensional structural diagram of the present invention.

[0023] Figure 2 This is a schematic diagram of the structure of the collection bin and the bottom plate in this invention.

[0024] Figure 3 For the present invention Figure 2 A schematic diagram of the structure at point A in the middle.

[0025] Figure 4 This is a schematic diagram of the top cross-section of the partition in this invention.

[0026] Figure 5 This is a schematic diagram of the bottom structure of the partition in this invention.

[0027] Figure 6 This is a schematic diagram of the driving component in this invention.

[0028] Figure 7 This is a schematic diagram of the trigger plate and fixing plate in this invention.

[0029] Figure 8 This is a schematic diagram of the structure of the annular groove and the unidirectional block in this invention.

[0030] Figure 9 This is a schematic diagram of the positioning hole and positioning post in this invention.

[0031] Figure 10 This is a schematic diagram of the auxiliary component in this invention.

[0032] Figure 11 This is a schematic diagram of the structure of the L-plate in this invention.

[0033] In the diagram: 1. Outer shell; 2. Cleaning plate; 3. Feed port; 4. First motor; 5. Stirring rod; 6. Collection bin; 7. Bottom plate; 8. Scraper; 801. Guide rod; 802. U-shaped frame; 803. Connecting column; 9. Guide groove; 10. Conveyor belt; 101. Auxiliary shaft; 11. Partition plate; 12. First sealing plate; 13. Second sealing plate; 14. Stop bar; 15. Driven shaft; 151. L-plate; 152. Gear; 16. Gear plate; 17. 171. Drive shaft; 172. Annular groove; 173. One-way block; 18. Pull rope; 19. Sleeve; 191. Rotary ring; 192. Cylinder; 20. Fixing plate; 201. Moving groove; 202. Positioning hole; 203. Positioning post; 21. Limiting plate; 210. Air hole; 22. Trigger plate; 23. Airbag; 24. Square groove; 25. Notch; 26. Slide groove; 27. Extension post; 28. Groove; 29. ​​First toothed ring; 30. Second toothed ring. Detailed Implementation

[0034] Please see Figures 1-10 In this embodiment of the invention, a waste oil removal device includes a housing 1, a feeding port 3 is provided on the top of the housing 1, a bottom plate 7 is fixedly provided inside the housing 1, a stirring rod 5 is rotatably provided above the bottom plate 7 inside the housing 1, a collection chamber 6 is provided below the bottom plate 7 inside the housing 1, a partition 11 is provided between one end of the bottom plate 7 and the inner wall of the housing 1, and the two ends of the partition 11 are slidably attached to the inner wall of the housing 1.

[0035] Preferably, since the partition 11 needs to rotate, there is a gap between the partition 11 and the end of the bottom plate 7, and between the side of the partition 11 away from the bottom plate 7 and the inner wall of the outer shell 1. Therefore, the two side walls of the partition 11 are elastically connected to the second sealing plate 13 by springs. The side walls of the bottom plate 7 and the outer shell 1 near the second sealing plate 13 are provided with square grooves 24 that are slidably adapted to the second sealing plate 13. The square grooves 24 are elastically connected to the first sealing plate 12 that are slidably adapted to the second sealing plate 13 by springs. In use, the second sealing plate 13 protrudes from the two side walls of the partition 11 and extends into the square grooves 24 to fit against the first sealing plate 12, thereby sealing the gap between the partition 11 and the bottom plate 7 and the outer shell 1. A driving component is provided at the center of the partition 11, and an auxiliary component is provided on the bottom plate 7. When the driving component rotates, the driving component causes the second sealing plate 13 to move into the partition 11. When the second sealing plate 13 moves into the partition 11 and can no longer move, the driving component drives the partition 11 to rotate.

[0036] Preferably, two sets of feeding ports 3 are provided on the top of the outer shell 1 and are located on one side of the top of the outer shell 1. The top of the bottom plate 7 is inclined and has a drainage surface. The higher end of the top of the bottom plate 7 is fixed to the inner wall of the outer shell 1, and the lower end is the impurity discharge port between it and the outer shell 1. The partition plate 11 is rotatably installed in the discharge port, and the two ends of the partition plate 11 away from the second sealing plate 13 are tightly slidably attached to the inner wall of the outer shell 1, that is, the wide side of the partition plate 11 is tightly slidably attached to the inner wall of the outer shell 1. The top of the stirring rod 5 is driven by a second motor, which is fixedly installed at the center of the top of the outer shell 1. A cleaning plate 2 is provided on the lower side wall of the outer shell 1. The cleaning plate 2 is located at the end of the collection chamber 6 near the partition plate 11. The collection chamber 6 can collect impurities on the bottom plate 7. By opening the cleaning plate 2, the impurities in the collection chamber 6 can be cleaned. The partition plate 11 is rotatably connected to the outer shell 1 through a drive assembly.

[0037] In use, when removing impurities from waste oil using flocculation, the waste oil and flocculant to be removed are added to the outer casing 1 through the feed port 3. Then, the second motor is started, and its rotation drives the stirring rod 5 to rotate via its output end. The rotation of the stirring rod 5 stirs the waste oil and flocculant in the outer casing 1, ensuring thorough mixing. Subsequently, floating impurities in the waste oil settle onto the drainage surface of the bottom plate 7 under the action of the flocculant. During this process, the end of the second sealing plate 13 near the square groove 24 extends into the square groove 24 and slides against the first sealing plate 12, thereby sealing the gap between the bottom plate 7 and the outer casing 1 (i.e., sealing the outlet) and preventing oil from entering the collection chamber 6. After the flocculation of the waste oil is completed, i.e., after the flocculant has fully mixed with the impurities in the oil and sedimentation is complete, the waste oil is extracted using an external extraction device. After impurities are removed from the outer casing 1, the oil is extracted (the extraction device is a pump and delivery pipe commonly used in the prior art for extracting oil; the specific structure and working principle will not be described in detail here). Then, the drive assembly is started. The drive assembly rotates clockwise to first move the second sealing plate 13 into the partition 11 and separate it from the square groove 24. Then, when the second sealing plate 13 moves into the partition 11 until it can no longer move, the drive assembly causes the partition 11 to rotate clockwise through the second sealing plate 13 to open the discharge port. Then, when the partition 11 rotates 90°, the drive assembly drives the auxiliary assembly to move relative to the partition 11 on the bottom plate 7, thereby scraping off the impurities deposited on the bottom plate 7 towards the discharge port, achieving rapid cleaning of the bottom plate 7, thus saving the time required for impurities to flow through gravity on the bottom plate 7 and improving production efficiency.

[0038] Please see Figures 2-6Preferably, the drive assembly includes a drive shaft 17; the drive shaft 17 passes through the centers of both ends of the partition 11, and both ends of the drive shaft 17 are rotatably connected to the sidewalls of the housing 1; a sleeve 19 is sleeved around the drive shaft 17, and the sleeve 19 is rotatably disposed inside the partition 11; a pull rope 18 is fixedly disposed at the center of one end of the second sealing plate 13 near the sleeve 19, and the end of the pull rope 18 away from the second sealing plate 13 is fixedly connected to the sleeve 19; the drive shaft 17 and the partition 11 are rotatably fitted together, and the end of the pull rope 18 away from the second sealing plate 13 slides through... The side wall of the partition 11 is fixed to the sleeve 19; one end of the drive shaft 17 is connected to the first motor 4, which is fixedly installed on the side wall of the outer shell 1, and the output shaft of the first motor 4 can rotate freely when not started. A stop bar 14 is provided below the partition 11, and both ends of the stop bar 14 are fixedly connected to the outer shell 1. The stop bar 14 is positioned on the side away from the bottom plate 7 when the partition 11 is rotated 90° clockwise from the horizontal state, i.e., the partition 11 is in a vertical state. This forms a restriction on the rotation angle of the partition 11.

[0039] In use, when the partition 11 is in a horizontal position and the outlet is blocked, the second sealing plate 13 slides and fits against the first sealing plate 12, and the second sealing plate 13 extends into the square groove 24, sealing the gap between the partition 11, the bottom plate 7, and the outer casing 1, preventing oil from leaking out through the gap. When it is necessary to discharge impurities on the bottom plate 7 inside the outer casing 1, the first motor 4 is started to rotate forward. The first motor 4 drives the drive shaft 17 to rotate clockwise through the output shaft. The clockwise rotation of the drive shaft 17 first drives the sleeve 19 to rotate clockwise. The rotation of the sleeve 19 winds the pull rope 18. At this time, since the second sealing plate 13 is in the square groove 24 and both ends of the partition 11 are closed, the second sealing plate 13 is in a horizontal position and the outlet is blocked. The partition 11 and the outer shell 1 are in a tight fit, meaning that the friction between the partition 11 and the outer shell 1 is relatively large. Therefore, when the pull rope 18 is wound up, it will cause the second sealing plate 13 to move inward into the partition 11, separating the second sealing plate 13 from the square groove 24. When the second sealing plate 13 moves to its maximum movement state and can no longer move, the drive shaft 17 continues to rotate, which will drive the partition 11 to rotate clockwise through the pull rope 18 and the second sealing plate 13. After the partition 11 rotates 90° clockwise, it contacts the stop bar 14, and then the partition 11 will stop rotating. At this time, the partition 11 is in a vertical state, that is, the outlet is opened, so that the impurities on the bottom plate 7 can flow into the collection chamber 6 through the outlet.

[0040] Please see Figures 6-8Preferably, cylinders 192 are fixedly provided on the inner walls of both ends of the sleeve 19. Multiple sets of cylinders 192 are arranged in a circular array along the central axis of the sleeve 19. An annular groove 171 is provided on the drive shaft 17 to slide against the cylinders 192. A notch 25 is provided on the side of the annular groove 171 near the end of the sleeve 19. Multiple sets of notches 25 are arranged in a circular array along the central axis of the drive shaft 17, and the number and size of the notches 25 are adapted to the cylinders 192. In use, When the partition 11 is in a horizontal state, the cylinder 192 is inside the notch 25. When it is necessary to open the outlet, the first motor 4 is started to rotate forward, causing the drive shaft 17 to rotate clockwise. The rotation of the drive shaft 17 drives the sleeve 19 to rotate clockwise through the cooperation between the notch 25 and the cylinder 192. The rotation of the sleeve 19 winds the pull rope 18, thereby causing the second sealing plate 13 to move into the partition 11, and then driving the partition 11 to rotate 90° clockwise to open the outlet.

[0041] Please see Figures 4-7 Preferably, the bottom of the partition 11 is provided with a sliding groove 26, which is symmetrically arranged along the center of the bottom of the partition 11 and is arranged along its width at the bottom of the partition 11. A trigger plate 22 is slidably arranged in the sliding groove 26. Fixing plates 20 are provided on both sides of the outer periphery of the sleeve 19. The bottom of the fixing plate 20 slides through the side wall of the partition 11, and the bottom of the fixing plate 20 is fixedly connected to the top of the trigger plate 22. A moving groove 201 is provided on the fixing plate 20. A rotating ring 19 is rotatably connected to the outer periphery of the end of the sleeve 19. 1. An extension column 27 is fixedly installed on the periphery of the rotating ring 191 and extends into the moving groove 201. The two ends of the sliding groove 26 face the bottom plate 7 and the side of the outer shell 1 near the cleaning plate 2, respectively. The end of the trigger plate 22 near the bottom plate 7 protrudes from the side wall of the partition 11 and slides with the bottom of the bottom plate 7. The end of the trigger plate 22 away from the bottom plate 7 is in the sliding groove 26 and does not affect the opening and closing of the outlet by the rotation of the partition 11. The moving groove 201 is inclined, and the inclination direction of the moving groove 201 on the multiple sets of fixed plates 20 is the same.

[0042] Please see Figure 9Preferably, positioning holes 202 are provided on both side walls of the fixing plate 20. Multiple sets of positioning holes 202 are arranged vertically on the side walls of the fixing plate 20. The inner wall of the partition plate 11 is elastically connected by a spring to a positioning post 203 that slides and adapts to the positioning holes 202. The end of the positioning post 203 is semi-circular, and the inner wall of the positioning hole 202 is an arc-shaped structure that adapts to the end of the positioning post 203. In this way, after the fixing plate 20 moves, the corresponding positioning hole 202 will slide and adapt to the positioning post 203. When the fixing plate 20 is subjected to a large external force, the positioning post 203 will move and retract into the partition plate 11. That is, when the fixing plate 20 moves relative to the sleeve 19, the positioning post 203 will slide and separate from the set of positioning holes 202 and slide and adapt to the next set of positioning holes 202. Through the setting of positioning holes 202 and positioning posts 203, the positioning of the fixing plate 20 is realized, avoiding the problem of the fixing plate 20 easily moving.

[0043] In use, in the initial state, i.e., when the partition 11 is horizontal, the second sealing plate 13 is in the square groove 24, and the cylinder 192 is in the notch 25, the trigger plate 22 is at the bottom of the partition 11, i.e., the top of the trigger plate 22 is close to the bottom of the partition 11, and the rotating ring 191 is at the top of the moving groove 201. The end of the trigger plate 22 protruding from the side wall of the partition 11 slides and fits against the bottom of the base plate 7. At this time, the positioning post 203 is adapted to a set of positioning holes 202. When the drive shaft 17 rotates clockwise, through the cooperation of the notch 25, the cylinder 192, the sleeve 19, and the pull rope 18, The second sealing plate 13 moves into the partition 11. Then, the partition 11 rotates 90° clockwise. Under the action of the stop bar 14, the trigger plate 22 moves into the slide groove 26. The movement of the trigger plate 22 into the slide groove 26 causes the fixed plate 20 to move into the sleeve 19. Then, through the cooperation of the moving groove 201 and the rotating ring 191, the sleeve 19 moves away from the notch 25 on the drive shaft 17. This causes the cylinder 192 to move into the annular groove 171. Then, the drive assembly can drive the auxiliary assembly to move relative to the partition 11 on the base plate 7 to complete the scraping work on the base plate 7.

[0044] Please see Figures 2-3 , Figures 7-9Preferably, a one-way block 172 is elastically connected to the drive shaft 17 via a spring. The one-way block 172 is positioned at a position corresponding to the annular groove 171, and multiple sets of one-way blocks 172 are arranged in an array along the central axis of the drive shaft 17. Preferably, the number of one-way blocks 172 corresponds to the notch 25. One end of the one-way block 172 extending into the annular groove 171 is provided with a slope. In use, when the cylinder 192 is in the annular groove 171, the drive shaft 17 rotates clockwise, causing the one-way block 172 to rotate clockwise. At this time, when the one-way block 172 contacts the cylinder 192 through the slope, the one-way block 172 will slide and retract into the drive shaft 17, that is, the one-way block 172 will not conflict with the cylinder 192 when the drive shaft 17 rotates clockwise. However, when the drive shaft 17 rotates counterclockwise, the one-way block 172 rotates counterclockwise, and at this time, the one-way block 172 will conflict with the cylinder. When cylinder 192 collides with cylinder 192, the side of one-way block 172 that collides with cylinder 192 is flush with the side of notch 25, thus facilitating the subsequent movement and reset of cylinder 192 to notch 25. Subsequently, the drive shaft 17 rotates counterclockwise, which drives sleeve 19 to rotate counterclockwise through the collision between one-way block 172 and cylinder 192, thereby causing partition 11 to rotate and reset counterclockwise. The rotation and reset of partition 11 will cause trigger plate 22 to engage with the bottom side wall of base plate 7, and cause trigger plate 22 to move and reset. After trigger plate 22 moves and resets, it restricts the rotation and reset of partition 11. Furthermore, the movement and reset of trigger plate 22 will also cause cylinder 192 to move and reset into notch 25 through the engagement of fixed plate 20, moving groove 201, and extension column 27. Subsequently, second sealing plate 13 elastically moves and resets, extending into square groove 24 and engaging with first sealing plate 12 to form a blockage of the outlet.

[0045] Please see Figures 6-7Preferably, the top two ends of the trigger plate 22 are symmetrically connected to the limiting plate 21. A spring is provided between the limiting plate 21 and the inner wall of the trigger plate 22. An airbag 23 is provided between the side of the limiting plate 21 away from the fixed plate 20 and the inner wall of the trigger plate 22. Multiple sets of air holes 210 communicating with the airbag 23 are arranged on the side walls of the trigger plate 22. When the trigger plate 22 is engaged with the bottom plate 7, the top height of the limiting plate 21 is lower than the bottom height of the second sealing plate 13, so as not to affect the movement of the second sealing plate 13 in the partition 11. When the trigger plate 22 moves into the slide groove 26, the limiting plate 21 extends into the partition 11 to limit the position of the second sealing plate 13. In use, when the partition 11 is rotated 90° clockwise, the trigger plate 22 moves into the slide groove 26 under the action of the stop rod 14, so that the limiting plate 21 moves into the partition 11. At this time, the second sealing plate 13 is in a position close to the sleeve 19, and the second sealing plate The end of the second sealing plate 13 away from the sleeve 19 is located on the side of the limiting plate 21 near the sleeve 19. When the trigger plate 22 moves into the slide groove 26, the cylinder 192 moves into the annular groove 171. Therefore, the second sealing plate 13 will move and reset under elastic action. At this time, the second sealing plate 13 will push the limiting plate 21 to move. The movement of the limiting plate 21 will stretch its corresponding spring and compress the airbag 23. The compression of the airbag 23 will cause the gas to be ejected through the air hole 210, thereby cleaning the end of the second sealing plate 13, preventing impurities from adhering to it, which would affect the subsequent sealing state and extend its service life. By setting the first sealing plate 12 in the square groove 24, impurities will not accumulate in the square groove 24. When the second sealing plate 13 is separated from the square groove 24, the first sealing plate 12 will move towards the opening of the square groove 24 under the action of the corresponding spring, preventing impurities from flowing into the square groove 24 and affecting its subsequent sealing effect.

[0046] Please see Figures 2-3 , Figures 10-11Preferably, the auxiliary component includes a scraper 8; a U-shaped frame 802 is sleeved around the scraper 8, and connecting posts 803 are fixedly provided at both ends of the U-shaped frame 802. A conveyor belt 10 is rotatably connected to the end of the connecting post 803 away from the U-shaped frame 802. An auxiliary shaft 101 is driven and engaged at both ends inside the conveyor belt 10. A groove 28 is provided on the inner wall of the outer shell 1. The conveyor belt 10 and the auxiliary shaft 101 are both located in the groove 28. The groove 28 is parallel to the drainage surface. Horizontal plates are provided on both sides of the scraper 8. Springs are provided at the top of the horizontal plate and the loop frame 802. The bottom of the scraper 8 slides and fits against the top of the base plate 7. In use, when the auxiliary shaft 101 rotates clockwise, the conveyor belt 10 rotates clockwise, which in turn causes the connecting column 803 to rotate clockwise. The rotation of the connecting column 803 drives the loop frame 802 to move on the base plate 7 toward the partition 11. During this process, the scraper 8 scrapes away impurities on the base plate 7, allowing the impurities on the base plate 7 to be quickly transported into the collection bin 6, thus improving efficiency.

[0047] Furthermore, preferably, a guide rod 801 is fixedly provided on the top of the scraper 8, and guide grooves 9 are provided on both sides of the inner wall of the outer casing 1 to slide and fit with the guide rod 801. The guide grooves 9 and the drainage surface are arranged in a parallel state. The end of the guide groove 9 near the partition 11 is the lifting part, corresponding to the end of the conveyor belt 10 near the partition 11, and the end of the guide groove 9 away from the partition 11 is the descending part, corresponding to the end of the conveyor belt 10 away from the partition 11. In use, when the scraper 8 moves, the guide rod 801 slides in the guide groove 9. When the connecting column 803 moves close to the partition 11 and then moves towards the top of the groove 28, the guide rod 801 moves to the end of the guide groove 9 and then moves towards the side of the guide groove 9 away from the groove 28. At this time, the conveyor belt 10 continues to move, so that the connecting column 803 moves towards the partition 11 and then moves towards the top of the groove 28. The column 803 moves back away from the partition 11, allowing the guide rod 801 to move upward a certain distance via the lifting part of the guide groove 9. The movement of the guide rod 801 causes the scraper 8 to move upward and separate from the top of the bottom plate 7. Subsequently, when the connecting column 803 and the guide rod 801 move to the end of the conveyor belt 10 away from the partition 11 and the descending part of the guide groove 9, respectively, the scraper 8, under the action of the spring corresponding to the horizontal plate, once again adheres to the top of the bottom plate 7, thus facilitating the cleaning of the top of the bottom plate 7 again. During the process of the scraper 8 moving back away from the partition 11, the upward movement of the scraper 8 creates a gap between it and the bottom plate 7, thus avoiding the problem of the scraper 8 remaining adhered to the bottom plate 7 during the return journey, which would prevent impurities from being cleaned.

[0048] Furthermore, preferably, a driven shaft 15 is rotatably connected inside the stop lever 14, and a toothed plate 16 is slidably connected to the center of the side wall of the stop lever 14. A first magnet is provided at one end of the toothed plate 16 near the bottom plate 7, and a second magnet adapted to the first magnet is embedded in the bottom side wall of the partition plate 11. The magnetic poles of the first magnet and the second magnet are opposite at opposite ends. The toothed plate 16 is positioned above the driven shaft 15, and the outer periphery of the driven shaft 15 is provided with toothed grooves that mesh with the toothed plate 16. A first toothed ring 29 is fixedly provided on a set of auxiliary shafts 101 near the partition plate 11. The first toothed ring 29 is fixedly mounted on the auxiliary shafts 101. At the end away from the scraper 8, the drive shaft 17 is fixedly provided with a second toothed ring 30 at the outer periphery of the end away from the partition 11. The driven shaft 15 is rotatably connected to the outer periphery of the end away from the partition 11. The two ends of the driven shaft 15 are provided with threads. The inner side wall of the L plate 151 is provided with threads that are compatible with the threads on the driven shaft 15. The end of the L plate 151 away from the driven shaft 15 is rotatably connected to a gear 152. The gear 152 is in transmission cooperation with the first toothed ring 29 and the second toothed ring 30. The L plate 151, the gear 152, the first toothed ring 29, and the second toothed ring 30 are all provided inside the side wall of the outer casing 1.

[0049] In practical use, when the partition 11 rotates clockwise, it pushes the toothed plate 16 to move away from the base plate 7, thereby causing the driven shaft 15 to rotate counterclockwise. The rotation of the driven shaft 15 causes the L plate 151 to move towards the partition 11, which in turn causes the gear 152 to move towards the partition 11, thus achieving a state of adaptation with the first toothed ring 29 and the second toothed ring 30. At this time, the rotation of the drive shaft 17 drives the auxiliary shaft 101 to rotate clockwise through the second toothed ring 30, the gear 152, and the first toothed ring 29. When the partition 11 rotates counterclockwise, the toothed plate 16 moves and resets due to the attraction of the first magnet and the second magnet. At this time, the toothed plate 16 drives the driven shaft 15 to move clockwise, causing the L plate 151 to move and reset, thereby causing the gear 152 to separate from the first toothed ring 29 and the second toothed ring 30, thus causing the auxiliary shaft 101 to stop rotating.

[0050] A method for removing impurities from waste oil using any of the above-mentioned waste oil removal devices includes the following steps:

[0051] S1. Add the waste oil to be treated and the flocculant into the outer shell 1 through the feed port 3;

[0052] S2. Start the stirring rod 5. The stirring rod 5 rotates to fully mix the flocculant and waste oil, and then allow the impurities in the waste oil to settle on the bottom plate 7.

[0053] S3. Start the drive assembly. The drive assembly causes the second sealing plate 13 to move into the partition 11 and separate from the square groove 24. Then, when the second sealing plate 13 moves to the maximum state in the partition 11, the drive assembly drives the partition 11 to rotate to the vertical state, and then discharges the impurities on the bottom plate 7.

[0054] S4. After cleaning the impurities on the bottom plate 7, start the drive assembly to make the partition 11 rotate and reset. The rotation and reset of the partition 11 causes the second sealing plate 13 to move and extend into the square groove 24 to reset. Then, the next batch of waste oil impurity removal work is carried out.

Claims

1. A waste oil removal device, comprising a housing, wherein a bottom plate is disposed within the housing; characterized in that, A collection chamber is provided inside the outer shell below the bottom plate. A partition is provided between one end of the bottom plate and the inner wall of the outer shell. A second sealing plate is elastically connected to the inner side walls of the partition. The side walls of the bottom plate and the outer shell near the second sealing plate are provided with square grooves that slide to fit the second sealing plate. A driving component is provided at the center of the partition. An auxiliary component is provided on the bottom plate. When the driving component rotates, it drives the second sealing plate to move inward into the partition. When the second sealing plate moves inward into the partition and can no longer move, the driving component drives the partition to rotate. When the partition rotates, the drive component drives the auxiliary component to move relative to the partition on the base plate; The drive assembly includes a drive shaft; the drive shaft passes through the center of both ends of the partition, and the two ends of the drive shaft are rotatably connected to the side wall of the housing. A sleeve is fitted around the drive shaft, and the sleeve is rotatably disposed inside the partition. A pull rope is fixedly installed at the center of one end of the second sealing plate near the sleeve, and the end of the pull rope away from the second sealing plate is fixedly connected to the sleeve. A stop bar is provided below the partition, and the two ends of the stop bar are fixedly connected to the housing. When the partition rotates from a horizontal position to a vertical position, the rotation angle of the partition is limited by a stop located on one side of the bottom plate. The inner walls of both ends of the sleeve are fixedly provided with cylinders, and the drive shaft is provided with an annular groove that slides and fits with the cylinders. The annular groove is provided with a communicating notch on the side of the end of the sleeve near the end of the sleeve. The bottom of the partition is provided with a sliding groove, which is symmetrically arranged along the center of the bottom of the partition. A trigger plate is slidably arranged in the sliding groove. Fixing plates are provided on both sides of the outer periphery of the sleeve. The bottom of the fixing plate slides through the side wall of the partition, and the bottom of the fixing plate is fixedly connected to the top of the trigger plate. The top two ends of the trigger plate are symmetrically connected to the limiting plate along the center. An air bladder is provided between the side of the limiting plate away from the fixed plate and the inner wall of the trigger plate. The two side walls of the trigger plate are arrayed with multiple sets of air holes communicating with the air bladder. The auxiliary component includes a scraper; a spiral frame is sleeved around the scraper, and connecting posts are fixedly installed at both ends of the spiral frame. A conveyor belt is rotatably connected to the end of the connecting post away from the spiral frame. An auxiliary shaft is driven and engaged at both ends of the conveyor belt. A groove is provided on the inner wall of the outer shell, and the conveyor belt and the auxiliary shaft are both installed in the groove. The bottom of the scraper slides against the top of the base plate. The fixed plate is provided with a movable groove, and a rotating ring is rotatably connected to the outer periphery of the end of the sleeve. An extension column extending into the movable groove is fixedly provided on the outer periphery of the rotating ring. A one-way block is elastically connected to the drive shaft, and the one-way block is correspondingly set at the position of the annular groove. A guide rod is fixedly installed on the top of the scraper, and guide grooves that slide and fit with the guide rod are provided on both sides of the inner wall of the outer shell. When the scraper moves, the guide rod slides in the guide groove. The stop rod is rotatably connected to a driven shaft, and a toothed plate is slidably connected to the center of the side wall of the stop rod. A first toothed ring is provided at the end of a set of auxiliary shafts near the partition. The first toothed ring is fixedly provided at the end of the auxiliary shaft away from the scraper. A second toothed ring is fixedly provided on the periphery of the end of the drive shaft away from the partition. An L-plate is rotatably connected on the periphery of the end of the driven shaft away from the partition. A gear is rotatably connected on the end of the L-plate away from the driven shaft. The gear is in transmission engagement with both the first toothed ring and the second toothed ring. The driven shaft is provided with toothed grooves that mesh with the toothed plate.

2. A method for removing impurities from waste oil using the waste oil removal device as described in any one of claims 1, characterized in that, Includes the following steps: S1. Add the waste oil to be treated and the flocculant into the shell through the feed port; S2. Start the stirring rod to fully mix the flocculant and waste oil, and then let the impurities settle on the bottom plate; S3. Extract the cleaned oil from the casing using an external extraction device; S4. Start the drive assembly to move the second sealing plate into the partition and separate it from the square groove. Then, when the second sealing plate moves to its maximum position in the partition, the drive assembly drives the partition to rotate to a vertical position, and then discharges the impurities on the bottom plate. S5. After cleaning the impurities on the bottom plate, start the drive assembly to make the partition rotate and reset.

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