Solid-liquid separation device and method for waste oil processing

Abstract

The present application provides a solid-liquid separation device and method for waste oil processing, which relates to the technical field of waste mining oil separation. The device comprises a mounting plate fixedly connected to the top of a reaction tower, a filter cartridge detachably connected to the mounting plate, a partition plate fixedly connected to the filter cartridge, the partition plate separating the filter cartridge into a filter chamber and a storage chamber, and the filter chamber is arranged on a side close to the mounting plate. A rotating shaft is rotatably connected to the filter chamber, a stirring blade is fixedly connected to the rotating shaft, and the stirring blade is used to drive the waste mineral oil in the filter chamber to move. An abutment plate is slidably connected to the rotating shaft, and the abutment plate is arranged in the storage chamber. The abutment plate is used to receive solid particles that fall from the filter chamber, and a connecting port is opened on the partition plate for allowing impurities in the filter chamber to fall into the storage chamber. The present application can regularly clean impurities in the filter chamber, reducing the probability of reduced filtration efficiency of the filter chamber due to long-term filtration.

Description

Technical Field

[0001] The present application relates to the technical field of waste mining oil separation, and in particular to a solid-liquid separation device and method for waste oil processing. Background Art

[0002] Mineral waste oil contains a variety of toxic substances. If it is discharged directly without treatment, it will cause serious harm to the environment and human body. By separating the solid mineral particles from the liquid phase in the waste oil, it is convenient for the safe disposal of fixed waste. Through multi-stage screening, the waste oil is recycled. In the process of waste oil recovery, solid-liquid separation is usually set at the front end of the process flow to preliminarily screen out solid particles that are insoluble in the oil.

[0003] Reference publication number CN113713500A, the subject name is a waste mineral oil filtration and separation device, which pours waste mineral oil onto a mesh plate, and during the stirring process, salvages and adsorbs impurities in the mineral oil, while scraping the surface of the coarse filter, thereby achieving preliminary filtration of the waste mineral oil and avoiding environmental pollution caused by direct discharge.

[0004] Existing filtration and separation devices usually also use a hydrogenation reactor to remove harm and recycle waste mineral oil. At the top of the hydrogenation reactor, a distribution plate and a dirt collection basket are usually used to perform preliminary impurity removal on the waste mineral oil. After the preliminary impurity removal, the waste mineral oil is allowed to flow downward to the catalyst support plate and cooling box, where it is cooled and mixed. The mixed gas-liquid mixture is evenly cut onto the catalyst bed below. The hydrocracking reaction is completed under the action of the catalyst, and the waste mineral oil is discharged after the reaction.

[0005] According to the above technical solution, during the preliminary impurity removal of waste mineral oil, the distribution plate distributes the waste mineral oil into the scale basket, and the solid particulate impurities are removed in the scale basket. During this process, due to the accumulation of solid particulate impurities, there are more impurities in the scale basket, and the filtering effect of the scale basket on impurities is reduced. At the same time, due to the accumulation of solid particles, the filtration rate of the waste mineral oil is reduced, affecting the normal progress of the work. Summary of the Invention

[0006] In view of this, the present application provides a solid-liquid separation device and method for waste oil processing, aiming to solve the problem that excessive impurities in the scale basket affect the filtering effect during operation.

[0007] In the first aspect, a solid-liquid separation device for waste oil processing adopts the following technical solution:

[0008] The present application provides a solid-liquid separation device for waste oil processing, which adopts the following technical solution, including a reaction tower, a transmission mechanism and a liquid inlet; the top position of the reaction tower is fixedly connected to a mounting plate, and a filter cartridge is detachably connected to the mounting plate, and a partition plate is fixedly connected to the filter cartridge, and the partition plate separates the filter cartridge into a filter bin and a storage bin, and the filter bin is arranged on a side close to the mounting plate; the filter bin is rotatably connected to a rotating shaft, and a stirring blade is fixedly connected to the rotating shaft, and the stirring blade is used to drive the waste mineral oil in the filter bin to move, and an abutment plate is slidably connected to the rotating shaft, and the abutment plate is arranged in the storage bin, and the abutment plate is used to receive solid particles that fall from the filter bin, and a connecting port is provided on the partition plate, for allowing impurities in the filter bin to fall into the storage bin.

[0009] By cleaning the solid impurities on the side wall of the filter bin, the probability of reduced filtration efficiency of the filter bin due to long-term filtration can be reduced. At the same time, by moving the impurities in the filter bin, the filter bin can have a longer filtration time.

[0010] Optionally, a cleaning block is fixedly connected to the rotating shaft, and the cleaning block is arranged to abut the partition plate and the side wall of the filter bin, an abutment block is fixedly connected to the cleaning block, a connecting rod is fixedly connected to the abutment plate, and the connecting rod is arranged to pass through the partition plate, and a reset spring is fixedly connected to the connection between the abutment plate and the rotating shaft.

[0011] By regularly opening and closing the connecting port, solid impurities can fall into the storage bin regularly, reducing the probability of reduced filtration efficiency of the filter bin due to accumulation of solid impurities. At the same time, regular cleaning of impurities can enhance the filtration efficiency of the filter bin.

[0012] Optionally, a connecting plate is hinged on the partition plate, and the connecting plate is arranged at the connecting port. A torsion spring is fixedly connected to the connection between the connecting plate and the partition plate for driving the connecting plate to reset.

[0013] The connecting plate is driven to rotate by the torsion spring to block the connecting port, thereby reducing the probability of liquid flowing directly into the storage bin.

[0014] Optionally, a liquid inlet is provided at the top of the filter cartridge, a Y-shaped groove is provided at the liquid inlet on the filter cartridge and is arranged deep into the filter chamber, and a cleaning scraper for cleaning the Y-shaped groove is fixedly connected to the rotating shaft.

[0015] By setting it deep into the filter chamber, the liquid can flow directly to the deep part of the filter chamber, and the upward movement of solid particles caused by liquid impact can be reduced.

[0016] Optionally, a plurality of diverter rods are fixedly connected to the rotating shaft, and the diverter rods are used to reduce the impact force of the waste oil falling into the storage bin.

[0017] Optionally, a first scraper is fixedly connected to the side wall of the partition plate close to the storage bin, a second scraper is provided on the abutting plate, and both the first scraper and the second scraper are configured to be arc-shaped.

[0018] By rotating the solid particles to move them to the middle position, the impact of the solid particles on the interior of the storage bin can be reduced. At the same time, a small amount of liquid is thrown out during the rotation of the abutment plate, which can further enhance the separation of solids and liquids.

[0019] Optionally, an arc-shaped scraper capable of scraping the side wall of the filter bin is fixedly connected to the stirring blade, and the arc-shaped scraper is used to reduce solid particles on the side wall of the filter bin.

[0020] In a second aspect, the present application provides a solid-liquid separation method for waste oil processing, wherein the separation method is:

[0021] S1, the solid-liquid mixture is passed from the Y-shaped groove into the filter chamber through the liquid inlet and falls into the diverter rod, which drives the rotating shaft to rotate, buffering the solid-liquid mixture, and the stirring blade rotates to stir the solid-liquid mixture, and the liquid flows out from the opening on the filter chamber;

[0022] S2, the arc scraper scrapes off the solid particles located on the side wall of the filter bin. The solid particles fall to the bottom and are collected during the rotation of the cleaning block and moved to the center axis position of the filter bin.

[0023] S3, the abutment block on the rotating block abuts the connecting rod, causing the connecting rod to move downward. The solid particles, under the action of gravity, push the connecting plate to rotate, and the solid particles in the middle position move downward. The torsion spring drives the connecting plate to flip, thus blocking the connecting port.

[0024] S4, the abutment plate rotates, the first scraper and the second scraper abut against each other, and in the process of abutment, the solid particles are driven to move toward the middle position, and in this process, any liquid that may exist is thrown toward the side wall of the storage bin, further realizing solid-liquid separation.

[0025] In summary, compared with the prior art, this application has at least one of the following beneficial technical effects:

[0026] 1. By cleaning the solid impurities on the side wall of the filter chamber, the probability of reduced filtration efficiency of the filter chamber due to long-term filtration can be reduced. At the same time, by moving the impurities in the filter chamber, the filter chamber can have a longer filtration time.

[0027] 2. By regularly opening and closing the connecting port, solid impurities can fall into the storage bin regularly, reducing the probability of reduced filtration efficiency of the filter bin due to the accumulation of solid impurities. At the same time, regular cleaning of impurities can enhance the filtration efficiency of the filter bin.

[0028] 3. By rotating the solid particles to move to the middle position, the impact of the solid particles on the interior of the storage bin can be reduced. At the same time, a small amount of liquid is thrown out during the rotation of the abutment plate, which can further enhance the separation of solids and liquids. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic structural diagram of a solid-liquid separation device for waste oil processing according to this embodiment;

[0030] Figure 2 Schematic diagram of the structure inside the reaction tower of this embodiment;

[0031] Figure 3 Schematic diagram of the structure of the transmission mechanism and filter cartridge of this embodiment;

[0032] Figure 4 This is a schematic diagram of the structure inside the filter cartridge of this embodiment;

[0033] Figure 5 This is a structural diagram of the storage bin in this embodiment;

[0034] Figure 6 Schematic diagram of the structure of the abutment plate of this embodiment;

[0035] Figure 7 Schematic diagram of the structure of the partition plate of this embodiment.

[0036] Explanation of the accompanying symbols: 1. Reaction tower; 11. Transmission mechanism; 12. Liquid inlet; 2. Mounting plate; 3. Filter cartridge; 31. Partition plate; 32. Filter bin; 33. Storage bin; 34. Rotating shaft; 35. Stirring blade; 36. Abutment plate; 37. Connecting port; 4. Cleaning block; 41. Abutment block; 42. Connecting rod; 43. Return spring; 5. Connecting plate; 6. Liquid inlet; 61. Y-shaped groove; 62. Cleaning scraper; 7. Diverter rod; 8. First scraper bar; 81. Second scraper bar; 9. Arc scraper. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the embodiments of the present application Figure 1-Figure 7 , clearly and completely describes the technical solutions of the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the described embodiments of this application, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of this application.

[0038] In the first aspect, a solid-liquid separation device for waste oil processing adopts the following technical solution:

[0039] like Figure 1 As shown, this embodiment provides a solid-liquid separation device for waste oil processing, including a transmission mechanism 11, a filtering mechanism, a connecting mechanism, a storage mechanism and a liquid separation mechanism. The device is usually arranged at the top position of the reaction tower 1, and a solid-liquid mixture that needs to be processed for waste oil is introduced into the filtering mechanism through the liquid inlet 12. The solid-liquid mixture is diverted through the diversion mechanism and enters the filtering mechanism after diversion. The solid-liquid mixture is filtered in the filtering mechanism and stirred in the filtering mechanism under the drive of the transmission mechanism 11. After a certain period of time, the connecting mechanism is opened to move the solid impurities in the connecting mechanism from the filtering mechanism to the storage mechanism, and the solid impurities are stored in the storage mechanism.

[0040] like Figure 2 and Figure 3 As shown, the transmission mechanism 11 includes: a rotating motor, a first turntable, a second turntable and a rotating shaft 34. The rotating motor is fixedly connected to the upper end position of the reaction tower 1. The first turntable is fixedly connected to the output shaft of the rotating motor and is located in the internal position of the reaction tower 1. There are multiple second turntables, and the multiple second turntables are circumferentially distributed on the side wall of the first turntable. The first turntable and the second turntable are both provided with rotating teeth, and the first turntable can engage with the second turntable. The second turntable is detachably connected to the rotating shaft 34, and the rotational torque of the rotating motor is transmitted to the second turntable through the first turntable, and the rotating shaft 34 is driven to rotate under the drive of the second turntable.

[0041] like Figure 2 and Figure 3 As shown, a mounting plate 2 is fixedly connected to the top of the reaction tower 1, a filter cartridge 3 is detachably connected to the mounting plate 2, a partition plate 31 is fixedly connected in the filter cartridge 3, a filtering mechanism is provided above the filter cartridge 3, and a storage mechanism is provided below the filter cartridge 3.

[0042] like Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the filtering mechanism includes a filter chamber 32, a stirring blade 35, a cleaning block 4, and an arc-shaped scraper 9. The filter chamber 32 is disposed in the filter cartridge 3 and is disposed on a side near the mounting plate 2. The stirring blade 35 is fixedly connected to the stirring shaft and is disposed in the filter chamber 32. The arc-shaped scraper 9 is fixedly connected to the stirring blade 35 and abuts against the side wall of the filter chamber 32 to scrape the side wall of the filter chamber 32. The cleaning block 4 is fixedly connected to the rotating shaft 34 and is capable of collecting solid particles located at the bottom of the filter chamber 32. The rotating shaft 34 rotates to drive the stirring blade 35 to disturb the waste oil in the filter chamber 32, and in this process, the cleaning block 4 and the arc-shaped scraper 9 clean the bottom and side walls of the filter chamber 32.

[0043] like Figure 4 、 Figure 5 and Figure 6 As shown, the connecting mechanism includes: a partition plate 31, a connecting plate 5 and a torsion spring. The partition plate 31 is set to a concave shape at one end of the filter bin 32, and a connecting port 37 is opened on the partition plate 31. The connecting plate 5 is hinged at one end of the partition plate 31 in the storage bin. The torsion spring is fixedly connected to the connection between the connecting plate 5 and the partition plate 31, and is sleeved on the connecting plate 5. When there is a lot of solid material on the partition plate 31, the connecting plate 5 is driven to flip toward the storage bin under the action of gravity, so that the solid material falls into the storage bin 33. After the material falls, the connecting plate 5 is driven to reset toward the filter bin under the action of the torsion spring, thereby blocking the connecting port 37.

[0044] like Figure 5 As shown, the storage mechanism includes: a storage bin 33, an abutment block 41, an abutment plate 36 and a connecting rod 42. The storage bin 33 is arranged below the filter bin 32. The abutment plate 36 is slidably connected to the rotating shaft 34, and the abutment plate 36 moves toward and away from the filter bin 32. The connecting rod 42 is fixedly connected to the abutment plate 36 and penetrates the partition plate 31. The abutment block 41 is fixedly connected to the cleaning block 4, and the abutment block 41 is tilted. During the rotation of the rotating shaft 34, the abutment block 41 is driven to push the connecting rod 42 downward, pushing the abutment plate 36 downward, so that solid particles fall from the connecting port 37 onto the abutment plate 36.

[0045] like Figure 6 and Figure 7 As shown, a first scraper 8 is fixedly connected to the side wall of the partition plate 31 close to the storage bin 33. The first scraper 8 is arranged in an arc shape and is arranged counterclockwise. A second scraper 81 is fixedly connected to the abutment plate 36. The second scraper 81 is arranged in an arc shape and is arranged clockwise. By rotating the abutment plate 36, the first scraper 8 and the second scraper 81 move the solid particles to a position close to the axial center of the abutment plate 36.

[0046] like Figure 4 As shown, the liquid separation mechanism includes: a liquid inlet 6, a Y-shaped groove 61, and a diverter rod 7. The liquid inlet 6 is opened at the top position of the filter cylinder 3, the Y-shaped groove 61 is opened in the liquid inlet 12, and the diverter rod 7 is fixedly connected to the rotating shaft 34, and is axially fixedly connected to the rotating shaft 34. The liquid enters from the liquid inlet 6 and enters the filter chamber 32 through the Y-shaped groove 61. After being blocked by the diverter rod 7, the liquid enters the filter chamber 32 more slowly.

[0047] When the present application is in use, the solid-liquid mixture needs to be first introduced into the liquid inlet 12. After entering the liquid inlet 12, the rotating motor is started so that the rotating motor drives the first turntable to rotate, and the first turntable drives the engaged second turntable to rotate. The second turntable rotates, driving the engaged rotating shaft 34 on the second turntable to rotate. The solid-liquid mixture flows through the liquid inlet 12 to the multiple filter cartridges 3, and flows from the liquid inlet 6 on the filter cartridge 3 to the Y-shaped groove 61. Since the Y-shaped groove 61 penetrates into the filter bin 32, the solid-liquid mixture falls directly into the bottom surface of the filter bin 32 and is buffered under the disturbance of the diverter rod 7 in the filter bin 32.

[0048] The rotating shaft 34 rotates, driving the diverter rod 7 to rotate, so that the liquid is distributed more evenly. During the rotation of the rotating shaft 34, the liquid in the stirring chamber is stirred by the rotation of the stirring blade 35, so that the solid-liquid mixture is evenly distributed in the filter chamber 32. The solid particles in the solid-liquid mixture are blocked by the openings on the filter chamber 32, so that the solid particles remain in the filter chamber 32, while the liquid flows out from the snap holes on the filter chamber 32.

[0049] During the rotation of the rotating shaft 34, the arc scraper 9 is driven to rotate, so that the solid particles remaining in the openings on the side walls of the filter bin 32 fall to the bottom of the filter bin 32, and during the rotation of the rotating shaft 34, the cleaning block 4 is driven to rotate, so that the impurities at the bottom of the cleaning bin are collected and moved to the central axis position of the filter bin 32 after collection.

[0050] The rotating block rotates, and the abutment block 41 on the rotating block abuts against the connecting rod 42, and pushes the connecting rod 42 to move downward. Since the connecting rod 42 and the connecting plate 5 are fixedly connected, the connecting plate 5 moves downward, and the solid particles located in the filter bin 32 push the connecting plate 5 to rotate under the action of gravity. The rotating block moves the solid particles at the middle position downward from the connecting port 37 to the storage bin 33. After the solid particles move downward, the torsion spring drives the connecting plate 5 to move upward, so that the connecting plate 5 blocks the connecting port 37.

[0051] The abutment plate 36 rotates under the drive of the rotating shaft 34, causing the abutment plate 36 to rotate, and the first scraper 8 and the second scraper 81 to abut, and in the process of abutment, drive the solid particles to move to the middle position. In this process, any liquid that may exist is thrown out to the side wall of the storage bin 33, further realizing solid-liquid separation.

[0052] In this embodiment, impurities on the side walls of the filter bin 32 are screened to prevent impurities from entering the liquid again, and scraping the side walls of the filter bin 32 can reduce the blockage of the side walls of the filter bin 32, thereby ensuring the continuity and efficiency of the filtration process, and at the same time reducing the probability of reduced filtration efficiency due to blockage by solid particles during long-term use.

[0053] In this embodiment, the impurities in the filter bin 32 are regularly discharged into the storage bin 33, which can prevent the filter system from overloading to a certain extent, thereby maintaining its efficient filtering capacity, and can effectively manage the impurities generated during the filtering process, ensuring the continuous and stable operation of the filter system. In addition, by regularly cleaning the impurities in the filter bin 32 and discharging them into the storage bin 33, the overall maintenance frequency of the filter system can be reduced, which helps to extend the service life of the filter system.

[0054] In this embodiment, by extending the liquid inlet 6 deeper into the filter chamber 32, the impact and disturbance of the newly entered solid mixed solution on the solid particles that have settled below can be reduced, which helps to maintain the stability of the sedimentation layer and thus improve the solid-liquid separation effect.

[0055] In this embodiment, the solid particles are moved to the middle position by rotating the first scraper 8 and the second scraper 81 in opposite directions, which can effectively roll up the solid particles and have a certain shear impact force to move the solid particles to the middle position. In this process, due to the fluidity of the liquid, it will be thrown out to the side wall of the storage bin 33, further enhancing the separation of solids and liquids.

[0056] In a second aspect, the present application provides a solid-liquid separation method for waste oil processing, wherein the separation method is:

[0057] S1, the solid-liquid mixture is passed from the Y-shaped groove 61 into the filter chamber 32 through the liquid inlet 12 and falls into the diverter rod 7, which drives the rotating shaft 34 to rotate, buffering the solid-liquid mixture, and the stirring blade 35 rotates to stir the solid-liquid mixture, and the liquid flows out from the opening on the filter chamber 32;

[0058] S2, the arc-shaped scraper 9 scrapes off the solid particles located on the side wall of the filter bin 32, and the solid particles fall to the bottom position and are collected during the rotation of the cleaning block 4 and moved to the central axis position of the filter bin 32.

[0059] S3: The abutment block 41 on the rotating block abuts the connecting rod 42, causing the connecting rod 42 to move downward. The solid particles, under the action of gravity, push the connecting plate 5 to rotate, and the solid particles in the middle position move downward. The torsion spring drives the connecting plate 5 to flip, thereby blocking the connecting port 37.

[0060] S4, the abutment plate 36 rotates, the first scraper 8 and the second scraper 81 abut against each other, and in the process of abutment, the solid particles are driven to move toward the middle position, and in this process, any liquid that may exist is thrown toward the side wall of the storage bin 33, further realizing solid-liquid separation.

[0061] The implementation principle of a solid-liquid separation device for waste oil processing in the embodiment of the present application is as follows: the solid-liquid mixture needs to be introduced into the liquid inlet 12 first. After it is introduced into the liquid inlet 12, the rotating motor is started to drive the rotating motor to rotate the first turntable, and the first turntable drives the meshed second turntable to rotate. The second turntable rotates, driving the meshed rotating shaft 34 on the second turntable to rotate. The solid-liquid mixture flows into the multiple filter cartridges 3 through the liquid inlet 12, and flows from the liquid inlet 6 on the filter cartridge 3 to the Y-shaped groove 61. Since the Y-shaped groove 61 penetrates into the filter bin 32, the solid-liquid mixture falls directly into the bottom surface of the filter bin 32 and is buffered under the disturbance of the diverter rod 7 in the filter bin 32.

[0062] The rotating shaft 34 rotates, driving the diverter rod 7 to rotate, so that the liquid is distributed more evenly. During the rotation of the rotating shaft 34, the liquid in the stirring chamber is stirred by the rotation of the stirring blade 35, so that the solid-liquid mixture is evenly distributed in the filter chamber 32. The solid particles in the solid-liquid mixture are blocked by the openings on the filter chamber 32, so that the solid particles remain in the filter chamber 32, while the liquid flows out from the openings on the filter chamber 32.

[0063] During the rotation of the rotating shaft 34, the arc scraper 9 is driven to rotate, so that the solid particles remaining in the openings on the side walls of the filter bin 32 fall to the bottom of the filter bin 32, and during the rotation of the rotating shaft 34, the cleaning block 4 is driven to rotate, so that the impurities at the bottom of the cleaning bin are collected and moved to the central axis position of the filter bin 32 after collection.

[0064] The rotating block rotates, and the abutment block 41 on the rotating block abuts against the connecting rod 42, and pushes the connecting rod 42 to move downward. Since the connecting rod 42 and the connecting plate 5 are fixedly connected, the connecting plate 5 moves downward, and the solid particles located in the filter bin 32 push the connecting plate 5 to rotate under the action of gravity. The rotating block moves the solid particles at the middle position downward from the connecting port 37 to the storage bin 33. After the solid particles move downward, the torsion spring drives the connecting plate 5 to move upward, so that the connecting plate 5 blocks the connecting port 37.

[0065] The abutment plate 36 rotates under the drive of the rotating shaft 34, causing the abutment plate 36 to rotate, and the first scraper 8 and the second scraper 81 to abut, and in the process of abutment, drive the solid particles to move to the middle position. In this process, any liquid that may exist is thrown out to the side wall of the storage bin 33, further realizing solid-liquid separation.

[0066] Furthermore, it should be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0067] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A solid-liquid separation device for waste oil processing, comprising a reaction tower (1), a transmission mechanism (11) and a liquid inlet (12), characterized in that: The top of the reaction tower (1) is fixedly connected to a mounting plate (2), a filter cartridge (3) is detachably connected to the mounting plate (2), a liquid inlet (6) is provided at the top of the filter cartridge (3), a partition plate (31) is fixedly connected to the filter cartridge (3), the partition plate (31) separates the filter cartridge (3) into a filter bin (32) and a storage bin (33), and the filter bin (32) is arranged on a side close to the mounting plate (2), a rotating shaft (34) is rotatably connected to the filter bin (32), a stirring blade (35) is fixedly connected to the rotating shaft (34), and the stirring blade (35) is used to drive the waste mineral oil in the filter bin (32) to move, and an abutment plate (36) is slidably connected to the rotating shaft (34), and the abutment plate (36) is arranged The abutment plate (36) is arranged in the storage bin (33), and is used to receive solid particles dropped from the filter bin (32). The partition plate (31) is provided with a communication port (37) for allowing impurities in the filter bin (32) to drop into the storage bin (33). A first scraper (8) is fixedly connected to the side wall of the partition plate (31) on the side close to the storage bin (33). A second scraper (81) is provided on the abutment plate (36), and both the first scraper (8) and the second scraper (81) are arranged in an arc shape. The abutment plate (36) is driven by the rotating shaft (34) to rotate, so that the abutment plate (36) rotates, the first scraper (8) and the second scraper (81) abut against each other, and in the process of abutting, the solid particles are driven to move toward the middle position.

2. The solid-liquid separation device for waste oil processing according to claim 1, characterized in that: A cleaning block (4) is fixedly connected to the rotating shaft (34), and the cleaning block (4) is arranged to abut against the partition plate (31) and the side wall of the filter bin (32). An abutting block (41) is fixedly connected to the cleaning block (4). A connecting rod (42) is fixedly connected to the abutting plate (36), and the connecting rod (42) passes through the partition plate (31). A return spring (43) is fixedly connected to the connection between the abutting plate (36) and the rotating shaft (34).

3. The solid-liquid separation device for waste oil processing according to claim 2, characterized in that: A connecting plate (5) is hingedly connected to the partition plate (31), and the connecting plate (5) is arranged at the connecting port (37). A torsion spring for driving the connecting plate (5) to reset is fixedly connected at the connection between the connecting plate (5) and the partition plate (31).

4. The solid-liquid separation device for waste oil processing according to claim 3, characterized in that: A Y-shaped groove (61) is provided at the liquid inlet (6) on the filter cartridge (3) and is disposed deep into the filter bin (32). A cleaning scraper (62) for cleaning the Y-shaped groove (61) is fixedly connected to the rotating shaft (34).

5. The solid-liquid separation device for waste oil processing according to claim 4, characterized in that: A plurality of diverter rods (7) are fixedly connected to the rotating shaft (34), and the diverter rods (7) are used to reduce the impact force of waste oil falling into the storage bin (33).

6. The solid-liquid separation device for waste oil processing according to claim 1, characterized in that: An arc-shaped scraper (9) capable of scraping the side wall of the filter bin (32) is fixedly connected to the stirring blade (35), and the arc-shaped scraper (9) is used to reduce solid particles on the side wall of the filter bin (32).

7. A solid-liquid separation method for waste oil processing, applied to the solid-liquid separation device for waste oil processing according to claim 6, characterized in that: S1, the solid-liquid mixture is passed from the Y-shaped groove (61) into the filter chamber (32) through the liquid inlet (12), and falls into the diverter rod (7), which drives the rotating shaft (34) to rotate, buffering the solid-liquid mixture, and the stirring blade (35) rotates to stir the solid-liquid mixture, and the liquid flows out from the opening on the filter chamber (32); S2, the arc-shaped scraper (9) scrapes off the solid particles located on the side wall of the filter chamber (32), and the solid particles fall to the bottom position and are collected during the rotation of the cleaning block (4) and moved to the center axis position of the filter chamber (32); S3, the abutting block (41) on the rotating block abuts against the connecting rod (42), causing the connecting rod (42) to move downward, and the solid particles push the connecting plate (5) to rotate under the action of gravity, and the solid particles at the middle position move downward, and the torsion spring drives the connecting plate (5) to flip, thereby blocking the connecting port (37); In step S4, the abutting plate (36) rotates, and the first scraper (8) and the second scraper (81) abut against each other. During the abutting process, the solid particles are driven to move toward the middle position, and during this process, any liquid that may exist is thrown toward the side wall of the storage bin (33), thereby further achieving solid-liquid separation.

Images