Purification equipment for recycling waste engine oil

Abstract

The invention belongs to the technical field of waste engine oil, particularly relates to waste engine oil recycling purification equipment, and aims at solving the problem that an existing handheld pipeline is poor in mixing effect, the following scheme is provided, the waste engine oil recycling purification equipment comprises an engine oil precipitation tank, and a supporting frame is connected to the top of the engine oil precipitation tank through a bolt; the top of the supporting frame is in bolted connection with a waste engine oil recycling, purifying and heating tank, a transmission box is in bolted connection between the engine oil settling tank and the left side of the waste engine oil recycling, purifying and heating tank, a rotating shaft is rotationally sleeved with the waste engine oil recycling, purifying and heating tank, and the surface of the rotating shaft is in bolted connection with a stirring frame; the top of the engine oil settling tank is in bolted connection with an oil well pump, a filter head can be driven to ascend and descend, the height of the filter head can be adjusted, and the position of the filter head can be fixed, so that hand holding by a worker is not needed, the labor intensity of the worker is reduced, and the interior of the waste engine oil recycling, purifying and heating tank can be stirred and mixed through a rotating shaft and a stirring frame; the mixing effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of waste engine oil, and in particular to a purification device for recycling waste engine oil. Background Art

[0002] The Chinese patent document with application number 201710644797.2 discloses a waste oil purifier and a waste oil purification and regeneration method. The purifier includes H2O2, O3 and an organic acid solution. The molar ratio of H2O2, O3 and the organic acid solution is 5-30:5-30:50-90; the organic acid solution is a composite organic acid solution with a pH value of 1.5-5.5; 50%-95% of the composite organic acid solution is an organic acid containing at least two carboxyl groups; the purifier is obtained by fully mixing H2O2, O3 and the composite organic acid solution at 20-35°C. The purifier of the present invention uses H2O2, O3 and an organic acid solution to achieve the effect of decolorizing waste oil, wherein H2O2 and O3 are mainly used to catalyze and oxidize organic compounds such as sulfur and nitrogen in the waste oil, increase its polarity, and promote the migration of such organic matter from the oil phase to the water phase. The organic acid solution provides an acidic environment to improve the decolorization efficiency. The purification and regeneration method of the present invention fully utilizes the purified engine oil produced in the decolorization reaction and the acid water removed from the waste engine oil for recycling, which is environmentally friendly and safe.

[0003] However, there are also some problems with the waste oil purifier and the waste oil purification and regeneration method. For example, when pouring the reagent into the sedimentation, in order to extract the liquid from different sedimentation layers, the pipe can only be inserted manually and the liquid extraction end is inserted into the appropriate position by hand, so that the liquid at the appropriate position can be extracted. In addition, the mixing device used has a poor mixing effect. Summary of the invention

[0004] Based on the technical problems that the background technology requires a handheld pipe and has a poor mixing effect, the present invention proposes a purification device for recycling waste engine oil.

[0005] The present invention proposes a waste oil recycling purification device, comprising a machine oil sedimentation tank, the top of the machine oil sedimentation tank is bolted to a support frame, the top of the support frame is bolted to a waste oil recycling purification heating tank, a transmission box is bolted to the left side of the machine oil sedimentation tank and the waste oil recycling purification heating tank, the internal rotating sleeve of the waste oil recycling purification heating tank is connected with a rotating shaft, the surface of the rotating shaft is bolted to a stirring frame, the top of the machine oil sedimentation tank is bolted to an oil pump, the liquid inlet end of the oil pump is connected to a liquid extraction hose, and the oil inlet end of the liquid extraction hose is connected to a filter The left side of the oil sedimentation tank is hinged with a transmission rod, the right end of the transmission rod is hinged with a connecting clip, the inner side of the connecting clip is clamped with the surface of the filter head, the left end key of the rotating shaft is connected with a reciprocating mechanism, and the top bolt of the transmission rod is connected with a lifting mechanism. The filter head can be driven to rise and fall through the transmission of the structure, so that the height of the filter head can be adjusted, and the position of the filter head can be fixed, so that there is no need for workers to hold it, reducing the labor intensity of workers, and the interior of the waste oil recycling purification heating tank can be stirred and mixed through the rotating shaft and the stirring rack to improve the mixing effect.

[0006] Preferably, the reciprocating mechanism includes an electric push rod, a rack, a pinion and a transmission assembly. The output end of the electric push rod is connected to the top bolt of the rack, the teeth of the rack are meshed with the teeth of the pinion, the pinion is key-connected to the transmission assembly, and the power of the electric push rod is turned on. The electric push rod is controlled by a controller, the electric push rod can drive the rack to move up and down, the rack can drive the pinion to rotate forward and reverse, and the pinion can drive the transmission assembly.

[0007] Preferably, the transmission assembly includes a main sprocket, a chain, a secondary sprocket and a gear assembly, the rear side of the pinion is key-connected to the surface of the main sprocket, the teeth of the main sprocket are meshed with the top end of the chain, the bottom end of the chain is meshed with the teeth of the secondary sprocket, the secondary sprocket is key-connected to the gear assembly, the pinion can drive the main sprocket to rotate forward and reverse, the main sprocket can drive the chain to rotate, the chain can drive the secondary sprocket to rotate forward and reverse, the size of the main sprocket is larger than the size of the secondary sprocket, which can produce an acceleration effect on the secondary sprocket, and the secondary sprocket can drive the gear assembly to rotate.

[0008] Preferably, the gear assembly includes a large bevel gear and a small bevel gear, the rear side of the secondary sprocket is connected to the surface key of the large bevel gear, the teeth of the large bevel gear are meshed with the teeth of the small bevel gear, and the axis of the small bevel gear is connected to the left end key of the rotating shaft. The secondary sprocket can drive the large bevel gear to rotate, and the large bevel gear can drive the small bevel gear to rotate. The sizes of the large bevel gear and the small bevel gear can produce an acceleration effect on the small bevel gear, and the small bevel gear can drive the rotating shaft to rotate.

[0009] Preferably, the bottom of the electric push rod is bolted to the top of the transmission box, the rear side of the rack is slidably connected to the inside of the transmission box, the axis of the main sprocket is rotationally connected to the inside of the transmission box, the axis of the large bevel gear is rotationally connected to the inside of the transmission box, the electric push rod is fixed to the transmission box to ensure the stability of the electric push rod, the rack is slidably set with the transmission box through a slide rail to guide the rack, the main sprocket is rotatably set with the transmission box through a bearing to ensure the smooth rotation of the main sprocket, and the large bevel gear is rotationally set with the transmission box through a bearing.

[0010] Preferably, the lifting mechanism includes a rotating rod, a driving wheel, a transmission belt and a driving assembly, both ends of the rotating rod are rotatably sleeved with the interior of the transmission box, the surface of the rotating rod is keyed to the axis of the driving wheel, the interior of the driving wheel is transmission-connected to the top end of the interior of the transmission belt, the transmission belt is transmission-connected to the driving assembly, the left end of the rotating rod is keyed to a handle, the handle can be used to drive the rotating rod to rotate, the rotating rod is rotatably arranged with the transmission box through a bearing to ensure the stability of the rotation of the rotating rod, the rotating rod can drive the driving wheel to rotate, the driving wheel can drive the transmission belt to rotate, and the transmission belt can drive the driving assembly to rotate.

[0011] Preferably, the driving assembly includes a passive wheel, a worm, a worm wheel and a lifting assembly. The bottom end of the transmission belt is connected to the internal transmission of the passive wheel. The axis of the passive wheel is key-connected to the left end of the worm surface. Both ends of the worm are rotatably sleeved into the internal part of the transmission box. The surface of the worm meshes with the teeth of the worm wheel. The worm wheel is key-connected to the lifting assembly. The transmission belt can drive the passive wheel to rotate. The size of the active wheel is larger than that of the passive wheel, which can produce an acceleration effect on the passive wheel. The passive wheel can drive the worm to rotate. The worm is arranged to rotate with the transmission box through a bearing to ensure the stability of the rotation of the worm. The worm can drive the worm wheel to rotate.

[0012] Preferably, the lifting assembly includes a connecting shaft, a winding wheel, a lifting rope and a guide wheel. The axis of the passive wheel is key-connected to the top end of the connecting shaft, the surface of the connecting shaft is rotatably sleeved with the hole on the top of the oil sedimentation tank, the bottom end of the connecting shaft is key-connected to the axis of the winding wheel, the interior of the winding wheel is wound around the top end of the lifting rope, the bottom end of the lifting rope is bolted to the top of the transmission rod, the axis of the guide wheel is rotatably connected to the top end of the interior of the oil sedimentation tank, the surface of the lifting rope is slidably connected to the inner side of the guide wheel, the worm gear can drive the connecting shaft to rotate, the connecting shaft is rotatably arranged with the oil sedimentation tank through a bearing to ensure the stability of the rotation of the connecting shaft, the connecting shaft can drive the winding wheel to rotate, the winding wheel can wind up and drive the lifting rope, the lifting rope is guided by the guide wheel, and can drive the transmission rod to rotate upward.

[0013] Preferably, the top of the oil sedimentation tank is connected to a closing valve, the top of the closing valve is connected to the bottom of the waste oil recycling purification and heating tank, the oil pump is located between the oil sedimentation tank and the waste oil recycling purification and heating tank, and by opening the closing valve, the waste oil inside the waste oil recycling purification and heating tank can be poured into the oil sedimentation tank through the closing valve.

[0014] Preferably, the top of the waste oil recycling purification and heating tank is connected to an oil inlet hopper, the stirring frame includes a stirring rod and a stirring plate connected to one end of the stirring rod, the stirring plate of the stirring frame is in contact with the inner wall of the waste oil recycling purification and heating tank, the oil inlet hopper is used to pour the waste oil into the interior of the waste oil recycling purification and heating tank, the rotating shaft can drive the stirring rod to rotate, the stirring rod can drive the stirring plate to rotate, and the stirring plate can scrape the interior of the larger waste oil recycling purification and heating tank.

[0015] The beneficial effects of the present invention are as follows: the filter head can be driven to rise and fall through the transmission of the structure, so that the height of the filter head can be adjusted, and the position of the filter head can be fixed, so that workers do not need to hold it, thereby reducing the labor intensity of workers; the interior of the waste oil recycling purification heating tank can be stirred and mixed through the rotating shaft and the stirring frame, thereby improving the mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a purification device for recycling waste oil proposed by the present invention;

[0017] Figure 2 A schematic diagram of the reciprocating mechanism structure of a waste oil recycling purification device proposed by the present invention;

[0018] Figure 3 A rear view structural diagram of a lifting mechanism of a waste oil recycling purification device proposed by the present invention;

[0019] Figure 4 A three-dimensional schematic diagram of a main sprocket of a waste oil recycling purification device proposed by the present invention;

[0020] Figure 5 This is a three-dimensional schematic diagram of a reel of a waste oil recycling purification device proposed by the present invention.

[0021] In the figure: 1. engine oil sedimentation tank; 2. support frame; 3. waste engine oil recycling purification heating tank; 4. transmission box; 5. oil pump; 6. liquid extraction hose; 7. filter head; 8. electric push rod; 9. rack; 10. pinion; 11. main sprocket; 12. chain; 13. secondary sprocket; 14. large bevel gear; 15. small bevel gear; 16. rotating rod; 17. driving wheel; 18. transmission belt; 19. driven wheel; 20. worm; 21. worm wheel; 22. connecting shaft; 23. winding wheel; 24. lifting rope; 25. guide wheel; 26. transmission rod; 27. connecting clamp; 28. closing valve; 29. ​​oil inlet bucket; 30. rotating shaft; 31. stirring frame. DETAILED DESCRIPTION

[0022] The present invention will be further explained below in conjunction with specific embodiments.

[0023] Example

[0024] refer to Figure 1-5 In the present embodiment, a purification device for recycling waste oil is proposed, including a machine oil sedimentation tank 1, a support frame 2 is bolted to the top of the machine oil sedimentation tank 1, a waste oil recycling purification heating tank 3 is bolted to the top of the support frame 2, a transmission box 4 is bolted between the machine oil sedimentation tank 1 and the left side of the waste oil recycling purification heating tank 3, a rotating shaft 30 is sleeved inside the waste oil recycling purification heating tank 3, a stirring frame 31 is bolted to the surface of the rotating shaft 30, an oil pump 5 is bolted to the top of the machine oil sedimentation tank 1, a liquid suction hose 6 is connected to the liquid inlet end of the oil pump 5, and a filter head 7 is connected to the oil inlet end of the liquid suction hose 6, a transmission rod 26 is hinged to the left side of the inside of the machine oil sedimentation tank 1, a connecting clip 27 is hinged to the right end of the transmission rod 26, the inner side of the connecting clip 27 is clamped with the surface of the filter head 7, a reciprocating mechanism is keyed to the left end of the rotating shaft 30, and a lifting mechanism is bolted to the top of the transmission rod 26;

[0025] The reciprocating mechanism includes an electric push rod 8, a rack 9, a pinion 10 and a transmission assembly. The output end of the electric push rod 8 is connected to the top bolt of the rack 9, the teeth of the rack 9 are meshed with the teeth of the pinion 10, and the pinion 10 is key-connected to the transmission assembly. When the power of the electric push rod 8 is turned on, the electric push rod 8 is controlled by a controller, the electric push rod 8 can drive the rack 9 to move up and down, the rack 9 can drive the pinion 10 to rotate forward and reverse, and the pinion 10 can drive the transmission assembly;

[0026] The transmission assembly includes a main sprocket 11, a chain 12, a secondary sprocket 13 and a gear assembly. The rear side of the pinion 10 is key-connected with the surface of the main sprocket 11. The teeth of the main sprocket 11 mesh with the top of the chain 12. The bottom of the chain 12 meshes with the teeth of the secondary sprocket 13. The secondary sprocket 13 is key-connected with the gear assembly. The pinion 10 can drive the main sprocket 11 to rotate forward and reverse. The main sprocket 11 can drive the chain 12 to rotate. The chain 12 can drive the secondary sprocket 13 to rotate forward and reverse. The size of the main sprocket 11 is larger than that of the secondary sprocket 13, which can produce an acceleration effect on the secondary sprocket 13. The secondary sprocket 13 can drive the gear assembly to rotate.

[0027] The gear assembly includes a large bevel gear 14 and a small bevel gear 15. The rear side of the secondary sprocket 13 is keyed to the surface of the large bevel gear 14. The teeth of the large bevel gear 14 mesh with the teeth of the small bevel gear 15. The axis of the small bevel gear 15 is keyed to the left end of the rotating shaft 30. The secondary sprocket 13 can drive the large bevel gear 14 to rotate, and the large bevel gear 14 can drive the small bevel gear 15 to rotate. The sizes of the large bevel gear 14 and the small bevel gear 15 can produce an acceleration effect on the small bevel gear 15, and the small bevel gear 15 can drive the rotating shaft 30 to rotate.

[0028] The bottom of the electric push rod 8 is connected with the top bolt of the transmission box 4, the rear side of the rack 9 is connected to the inside of the transmission box 4 by sliding, the axis of the main sprocket 11 is connected to the inside of the transmission box 4 by rotation, the axis of the large bevel gear 14 is connected to the inside of the transmission box 4 by rotation, the electric push rod 8 is fixed by the transmission box 4 to ensure the stability of the electric push rod 8, the rack 9 is set to slide with the transmission box 4 through the slide rail to guide the rack 9, the main sprocket 11 is set to rotate with the transmission box 4 through the bearing to ensure the stability of the main sprocket 11, and the large bevel gear 14 is set to rotate with the transmission box 4 through the bearing;

[0029] The lifting mechanism includes a rotating rod 16, a driving wheel 17, a transmission belt 18 and a driving assembly. Both ends of the rotating rod 16 are rotatably sleeved with the inside of the transmission box 4. The surface of the rotating rod 16 is keyed to the axis of the driving wheel 17. The inside of the driving wheel 17 is transmission-connected to the top of the inside of the transmission belt 18. The transmission belt 18 is transmission-connected to the driving assembly. The left end of the rotating rod 16 is keyed to a handle, through which the rotating rod 16 can be driven to rotate. The rotating rod 16 is rotationally arranged with the transmission box 4 through a bearing to ensure the stability of the rotation of the rotating rod 16. The rotating rod 16 can drive the driving wheel 17 to rotate, the driving wheel 17 can drive the transmission belt 18 to rotate, and the transmission belt 18 can drive the driving assembly to rotate.

[0030] The driving assembly includes a passive wheel 19, a worm 20, a worm wheel 21 and a lifting assembly. The bottom end of the transmission belt 18 is connected to the internal transmission of the passive wheel 19. The axis of the passive wheel 19 is key-connected to the left end of the surface of the worm 20. Both ends of the worm 20 are rotatably sleeved with the inside of the transmission box 4. The surface of the worm 20 is meshed with the teeth of the worm wheel 21. The worm wheel 21 is key-connected to the lifting assembly. The transmission belt 18 can drive the passive wheel 19 to rotate. The size of the active wheel 17 is larger than that of the passive wheel 19, which can produce an acceleration effect on the passive wheel 19. The passive wheel 19 can drive the worm 20 to rotate. The worm 20 is rotatably arranged with the transmission box 4 through a bearing to ensure the stability of the rotation of the worm 20. The worm 20 can drive the worm wheel 21 to rotate, and the worm wheel 21 can drive the lifting assembly.

[0031] The lifting assembly includes a connecting shaft 22, a winding wheel 23, a lifting rope 24 and a guide wheel 25. The axis of the passive wheel 19 is key-connected to the top of the connecting shaft 22. The surface of the connecting shaft 22 is rotatably sleeved with the hole on the top of the oil sedimentation tank 1. The bottom end of the connecting shaft 22 is key-connected to the axis of the winding wheel 23. The inside of the winding wheel 23 is wound with the top of the lifting rope 24. The bottom end of the lifting rope 24 is bolted to the top of the transmission rod 26. The axis of the guide wheel 25 is rotatably connected to the top of the inside of the oil sedimentation tank 1. The surface of the lifting rope 24 is slidably connected to the inner side of the guide wheel 25. The worm gear 21 can drive the connecting shaft 22 to rotate. The connecting shaft 22 is rotatably arranged with the oil sedimentation tank 1 through a bearing to ensure the stability of the rotation of the connecting shaft 22. The connecting shaft 22 can drive the winding wheel 23 to rotate. The winding wheel 23 can reel in and drive the lifting rope 24. The lifting rope 24 is guided by the guide wheel 25 and can drive the transmission rod 26 to rotate upward.

[0032] The top of the oil settling tank 1 is connected with a closing valve 28, and the top of the closing valve 28 is connected with the bottom of the waste oil recycling purification heating tank 3. The oil pump 5 is located between the oil settling tank 1 and the waste oil recycling purification heating tank 3. When the closing valve 28 is opened, the waste oil in the waste oil recycling purification heating tank 3 can be poured into the oil settling tank 1 through the closing valve 28;

[0033] The top of the waste oil recycling purification heating tank 3 is connected to an oil inlet hopper 29, and a stirring frame 31 includes a stirring rod and a stirring plate connected to one end of the stirring rod. The stirring plate of the stirring frame 31 contacts the inner wall of the waste oil recycling purification heating tank 3. The oil inlet hopper 29 is used to pour waste oil into the waste oil recycling purification heating tank 3. The rotating shaft 30 can drive the stirring rod to rotate, and the stirring rod can drive the stirring plate to rotate. The stirring plate can scrape the interior of the waste oil recycling purification heating tank 3.

[0034] The transmission of the structure can drive the filter head 7 to rise and fall, so that the height of the filter head 7 can be adjusted, and the position of the filter head 7 can be fixed, so that workers do not need to hold it, thereby reducing the labor intensity of workers. The interior of the waste oil recycling purification heating tank 3 can be stirred and mixed through the rotating shaft 30 and the stirring frame 31 to improve the mixing effect.

[0035] Working principle: Pour the waste oil to be treated into the waste oil recycling purification and heating tank 3, heat the waste oil in the waste oil recycling purification and heating tank 3, and pour in active clay and other agents, turn on the power of the electric push rod 8, the electric push rod 8 is controlled by a controller, the electric push rod 8 can drive the rack 9 to move up and down, the rack 9 can drive the pinion 10 to rotate forward and reverse, the pinion 10 can drive the main sprocket 11 to rotate forward and reverse, the main sprocket 11 can drive the chain 12 to rotate, the chain 12 can drive the secondary sprocket 13 to rotate forward and reverse, the size of the main sprocket 11 is larger than the size of the secondary sprocket 13, and the secondary sprocket 1 3 produces an acceleration effect, the secondary sprocket 13 can drive the large bevel gear 14 to rotate, the large bevel gear 14 can drive the small bevel gear 15 to rotate, the sizes of the large bevel gear 14 and the small bevel gear 15 can produce an acceleration effect on the small bevel gear 15, the small bevel gear 15 can drive the rotating shaft 30 to rotate, the rotating shaft 30 can drive the stirring frame 31 to rotate, the stirring frame 31 can stir the interior of the waste oil recycling purification heating tank 3, so that the waste oil is fully heated and mixed evenly, and then open the closing valve 28 to pour the mixed waste oil into the interior of the oil sedimentation tank 1, the waste oil is stratified after sedimentation, and the left side of the rotating rod 16 The end key is connected with a handle, through which the rotating rod 16 can be driven to rotate. The rotating rod 16 is rotated through the bearing and the transmission box 4 to ensure the smooth rotation of the rotating rod 16. The rotating rod 16 can drive the driving wheel 17 to rotate. The driving wheel 17 can drive the transmission belt 18 to rotate. The transmission belt 18 can drive the passive wheel 19 to rotate. The size of the driving wheel 17 is larger than that of the passive wheel 19, which can produce an acceleration effect on the passive wheel 19. The passive wheel 19 can drive the worm 20 to rotate. The worm 20 is rotated through the bearing and the transmission box 4 to ensure the smooth rotation of the worm 20. The worm 20 can drive the worm wheel 21 to rotate. The worm gear 21 can drive the connecting shaft 22 to rotate. The connecting shaft 22 is arranged to rotate with the oil sedimentation tank 1 through the bearing to ensure the smooth rotation of the connecting shaft 22. The connecting shaft 22 can drive the winding wheel 23 to rotate. The winding wheel 23 can wind up and drive the lifting rope 24. The lifting rope 24 is guided by the guide wheel 25 and can drive the transmission rod 26 to rotate upward. The transmission rod 26 can drive the connecting clamp 27 to move upward. The connecting clamp 27 can drive the filter head 7 to move upward. After reaching the appropriate height, the power supply of the oil pump 5 is turned on. The oil pump 5 can generate suction inside the filter head 7 through the liquid extraction hose 6 to extract liquid.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A purification device for recycling waste engine oil, comprising an engine oil sedimentation tank (1), characterized in that: The top of the engine oil sedimentation tank (1) is bolted to a support frame (2), the top of the support frame (2) is bolted to a waste oil recycling purification heating tank (3), a transmission box (4) is bolted between the engine oil sedimentation tank (1) and the left side of the waste oil recycling purification heating tank (3), a rotating shaft (30) is sleeved inside the waste oil recycling purification heating tank (3), a stirring frame (31) is bolted to the surface of the rotating shaft (30), and the top bolt of the engine oil sedimentation tank (1) is bolted to the left side of the engine oil sedimentation tank (1). A pump (5) is connected, the liquid inlet end of the pump (5) is connected to a liquid extraction hose (6), the oil inlet end of the liquid extraction hose (6) is connected to a filter head (7), a transmission rod (26) is hingedly connected to the left side of the inside of the oil sedimentation tank (1), a connecting clamp (27) is hingedly connected to the right end of the transmission rod (26), the inner side of the connecting clamp (27) is clamped with the surface of the filter head (7), the left end of the rotating shaft (30) is key-connected to a reciprocating mechanism, and the top of the transmission rod (26) is bolt-connected to a lifting mechanism.

2. The waste oil recycling purification equipment according to claim 1, characterized in that: The reciprocating mechanism comprises an electric push rod (8), a rack (9), a pinion (10) and a transmission assembly, wherein the output end of the electric push rod (8) is bolted to the top of the rack (9), the teeth of the rack (9) are meshed with the teeth of the pinion (10), and the pinion (10) is key-connected to the transmission assembly.

3. The waste oil recycling purification equipment according to claim 2, characterized in that: The transmission assembly comprises a main sprocket (11), a chain (12), a secondary sprocket (13) and a gear assembly, wherein the rear side of the pinion (10) is key-connected to the surface of the main sprocket (11), the teeth of the main sprocket (11) are meshed with the top end of the chain (12), the bottom end of the chain (12) is meshed with the teeth of the secondary sprocket (13), and the secondary sprocket (13) is key-connected to the gear assembly.

4. The waste oil recycling purification equipment according to claim 3, characterized in that: The gear assembly comprises a large bevel gear (14) and a small bevel gear (15); the rear side of the secondary sprocket (13) is key-connected to the surface of the large bevel gear (14); the teeth of the large bevel gear (14) are meshed with the teeth of the small bevel gear (15); and the axis of the small bevel gear (15) is key-connected to the left end of the rotating shaft (30).

5. The waste oil recycling purification equipment according to claim 4, characterized in that: The bottom of the electric push rod (8) is bolted to the top of the transmission box (4), the rear side of the rack (9) is slidably connected to the inside of the transmission box (4), the axis of the main sprocket (11) is rotationally connected to the inside of the transmission box (4), and the axis of the large bevel gear (14) is rotationally connected to the inside of the transmission box (4).

6. The waste oil recycling purification equipment according to claim 1, characterized in that: The lifting mechanism comprises a rotating rod (16), a driving wheel (17), a transmission belt (18) and a driving assembly. Both ends of the rotating rod (16) are rotatably sleeved inside the transmission box (4). The surface of the rotating rod (16) is key-connected with the axis of the driving wheel (17). The interior of the driving wheel (17) is transmission-connected with the top end of the interior of the transmission belt (18). The transmission belt (18) is transmission-connected with the driving assembly.

7. The waste oil recycling purification device according to claim 6, characterized in that: The driving assembly comprises a driven wheel (19), a worm (20), a worm wheel (21) and a lifting assembly. The bottom end of the driving belt (18) is connected to the inside of the driven wheel (19) by transmission. The axis of the driven wheel (19) is key-connected to the left end of the surface of the worm (20). Both ends of the worm (20) are rotatably sleeved to the inside of the transmission box (4). The surface of the worm (20) is meshed with the teeth of the worm wheel (21). The worm wheel (21) is key-connected to the lifting assembly.

8. The waste oil recycling purification equipment according to claim 7, characterized in that: The lifting assembly comprises a connecting shaft (22), a winding wheel (23), a lifting rope (24) and a guide wheel (25); the axis of the passive wheel (19) is key-connected to the top end of the connecting shaft (22); the surface of the connecting shaft (22) is rotatably sleeved to a hole at the top of the oil sedimentation tank (1); the bottom end of the connecting shaft (22) is key-connected to the axis of the winding wheel (23); the inside of the winding wheel (23) is wound around the top end of the lifting rope (24); the bottom end of the lifting rope (24) is bolt-connected to the top of the transmission rod (26); the axis of the guide wheel (25) is rotatably connected to the top end of the inside of the oil sedimentation tank (1); and the surface of the lifting rope (24) is slidably connected to the inner side of the guide wheel (25).

9. The waste oil recycling purification device according to claim 1, characterized in that: The top end of the engine oil sedimentation tank (1) is connected to a closing valve (28), the top end of the closing valve (28) is connected to the bottom of the waste oil recycling purification heating tank (3), and the oil pump (5) is located between the engine oil sedimentation tank (1) and the waste oil recycling purification heating tank (3).

10. The waste oil recycling purification equipment according to claim 1, characterized in that: The top end of the waste oil recycling purification heating tank (3) is connected to an oil inlet hopper (29), and the stirring frame (31) comprises a stirring rod and a stirring plate connected to one end of the stirring rod, and the stirring plate of the stirring frame (31) contacts the inner wall of the waste oil recycling purification heating tank (3).

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