A cleaning and recovery device for metallic silicon in polysilicon cutting waste

Abstract

The utility model discloses a cleaning and recovery device for metal silicon in polysilicon cutting waste, including a box body, a bracket is arranged between the two sides of the box body, a feeding hopper is arranged at the top of the box body, a liquid discharge port is arranged at one side of the bottom end of the box body, and a touch panel is arranged at the bottom of one side of the front end of the box body. By arranging a backwashing component below the filter screen, after the device has been running for a long time, the backwashing pump is started to extract flushing water from the water tank through the pumping pipe and convey it to the inside of the flushing pipe through the water pipe, and then the backwashing water is sprayed from bottom to top at the bottom of the filter screen through the flushing nozzle, so as to flush out the fine metal silicon particles that block the filter screen mesh, avoid the fine metal silicon blocking the filter screen after the device is used for a long time and affect the normal operation of the device, and the filter screen cleaning operation is convenient and quick without stopping the machine, which greatly reduces the maintenance cost of the device, ensures the efficiency of cleaning and recovering metal silicon of the device, and has strong feasibility.

Description

Technical Field

[0001] The utility model relates to the technical field of solid material cleaning and recovery, in particular to a cleaning and recovery device for metal silicon in polysilicon cutting waste. Background Art

[0002] Polysilicon is an important material for manufacturing photovoltaic panels. The silicon wafers of photovoltaic panels made of polysilicon need to be cut during processing. The waste generated during cutting is cleaned and recycled using a cleaning and recycling device to recover the metal silicon contained in it, so as to improve resource utilization and reduce the production cost of photovoltaic panels.

[0003] As disclosed in the utility model with the authorization announcement number CN212292823U, a cleaning and recovery device for metal silicon in polysilicon cutting waste includes a cleaning table and a crushing box; the cleaning table includes a workbench, a spray device arranged on the workbench, a transmission device and a liquid collecting device; the crushing box includes a crushing device, a heating device and a collecting box; the crushing device includes a first passive crushing roller, a second passive crushing roller, an active crushing roller, a filtering device and a spiral feeding structure; the rolling teeth of the active crushing roller are staggered with the rolling teeth of the first and second passive crushing rollers respectively; the overall structural design of the utility model is reasonable, which can save the workload of the staff in actual use; and the utility model device can perform secondary crushing of the material, effectively improving the crushing efficiency. However, during the application process, the technical solution prevents the filter from being blocked by oscillation, and the high-frequency vibration liquid easily causes the fine metal silicon particles to be blocked at a deeper level of the filter mesh, thereby making the filter blockage condition more serious. There is a technical problem that the filter cannot be backwashed to wash away the metal silicon particles that initially block the filter mesh to ensure the continuous operation of the device. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a cleaning and recovery device for metallic silicon in polysilicon cutting waste, which can solve the problem of preventing filter clogging by oscillation. However, high-frequency vibration liquid can easily cause tiny metallic silicon particles to be blocked at deeper levels of the filter mesh, thereby making the filter clogging condition more serious. There is a technical problem that the filter cannot be backwashed to wash away the metallic silicon particles that initially block the filter mesh to ensure the continuous operation of the device.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a cleaning and recovery device for metallic silicon in polysilicon cutting waste, comprising a box body, a bracket is arranged between the two sides of the box body, a feeding hopper is arranged at the top of the box body, a drainage port is arranged on one side of the bottom end of the box body, a touch panel is arranged at the bottom of one side of the front end of the box body, a filter screen is arranged at a position near the bottom between the two sides of the inside of the box body, a water inlet is arranged at the middle position of the top of one side of the box body, a discharge port is arranged at the middle position near the bottom of the other side of the box body, and the box body is provided with a plurality of cleaning and recovery devices. A cleaning pipe is provided at the top between the two inner sides, and cleaning nozzles are provided at both ends of the bottom of the cleaning pipe, a water tank is provided at one side of the bottom of the rear end of the box body, a backwash pump is provided at the middle position of the bottom of the rear end of the box body, a suction pipe is provided at the input end of the backwash pump, a filling port is provided at one side of the top of the rear end of the water tank, a water delivery pipe is provided at the output end of the backwash pump, a flushing pipe is provided at the bottom between the two inner sides of the box body, and flushing nozzles are provided at both ends of the top of the flushing pipe, and a flipping and conveying assembly is provided at the middle position of the bottom end of the filter.

[0006] As an optimal technical solution of the utility model, one end of the water suction pipe passes through one side of the bottom of the rear end of the water tank, the front end of the water supply pipe passes through the rear end of the box body and is fixedly connected to the rear end of the flushing pipe, and the water supply pipe and the flushing pipe are connected.

[0007] As a preferred technical solution of the utility model, the flushing pipe is in a "U" shape, and the flushing nozzles are arranged at equal intervals at both ends of the top of the flushing pipe.

[0008] As a preferred technical solution of the utility model, one side of the water inlet is fixedly connected to the middle position of one side of the cleaning pipe, the cleaning pipe is "U" shaped, and the cleaning nozzles are arranged at equal intervals at both ends of the bottom of the cleaning pipe.

[0009] As a preferred technical solution of the utility model, the flipping and conveying assembly includes a conveying auger, which is arranged at the middle position of the bottom end of the filter, a reduction motor is arranged at the middle position of one side of the box body near the bottom, and a sealing sleeve is penetrated at the middle position of one side of the box body near the bottom.

[0010] As a preferred technical solution of the utility model, one side of the conveying auger extends to the inside of the discharge port, and the other side of the conveying auger penetrates the sealing sleeve and is fixedly connected to the output end of the reduction motor.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By arranging a backwashing assembly under the filter, after the device has been running for a long time, the backwashing pump is started to extract flushing water from the water tank through the pumping pipe and transport it to the inside of the flushing pipe through the water pipe, and then the backwashing water is sprayed from bottom to top on the bottom of the filter through the flushing nozzle to flush out the fine metal silicon particles that block the filter mesh, so as to avoid the fine metal silicon blocking the filter after the device has been used for a long time and affecting the normal operation of the device. In addition, the filter cleaning operation is convenient and quick without stopping the device, which greatly reduces the maintenance cost of the device, ensures the cleaning and recovery efficiency of the metal silicon of the device, and has strong feasibility;

[0013] 2. A turning and conveying assembly is provided at the middle position of the bottom end of the filter. When the device is running, the reduction motor is started to drive the conveying auger to rotate at the bottom end of the filter. The metal silicon particles trapped inside the filter after cleaning are turned and conveyed by the conveying auger to the discharge port. The device can continuously clean and recycle the metal silicon in the polysilicon cutting waste, and the metal silicon particles can be turned over during the conveying process to make the cleaning more comprehensive and thorough, further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the side cross-sectional structure of the box body of the utility model;

[0017] Figure 4 It is a schematic diagram of a partial cross-sectional structure of a box body of the utility model when viewed from above.

[0018] Among them: 1. Box body; 2. Drain port; 3. Bracket; 4. Reducer motor; 5. Feed hopper; 6. Discharge port; 7. Touch panel; 8. Water inlet; 9. Filling port; 10. Water tank; 11. Suction pipe; 12. Backwash pump; 13. Flushing pipe; 14. Conveying auger; 15. Filter; 16. Cleaning pipe; 17. Cleaning nozzle; 18. Water pipe; 19. Flushing nozzle; 20. Sealing sleeve. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Example

[0021] Please refer to Figure 1-4 As shown, the utility model provides a cleaning and recovery device for metal silicon in polysilicon cutting waste, comprising a box body 1, a bracket 3 is arranged between the two sides of the box body 1, a feeding hopper 5 is arranged at the top of the box body 1, and the metal silicon to be cleaned and recovered is put into the box body 1 through the feeding hopper 5, a drainage port 2 is arranged on one side of the bottom end of the box body 1, a touch panel 7 is arranged at the bottom of one side of the front end of the box body 1, a filter screen 15 is arranged near the bottom between the two sides inside the box body 1, a water inlet 8 is penetrated at the middle position of the top of one side of the box body 1, and the other side of the box body 1 is provided with a water inlet 8. A discharge port 6 is provided at the middle position near the bottom of the side, a "U"-shaped cleaning pipe 16 is provided at the top between the two sides inside the box body 1, one side of the water inlet 8 is fixedly connected to the middle position of one side of the cleaning pipe 16, cleaning nozzles 17 are provided at both ends of the bottom of the cleaning pipe 16, and the cleaning nozzles 17 are arranged at equal intervals at both ends of the bottom of the cleaning pipe 16, while the metal silicon is put into the box body 1, the cleaning water is input into the inside of the cleaning pipe 16 through the water inlet 8, and the metal silicon is cleaned by spraying out through the cleaning nozzles 17;

[0022] As a further implementation of this embodiment, Figure 1-4As shown, a water tank 10 is provided on one side of the bottom rear end of the box body 1, a backwash pump 12 is provided at the middle position of the bottom rear end of the box body 1, a water pumping pipe 11 is provided at the input end of the backwash pump 12, one end of the water pumping pipe 11 passes through one side of the bottom rear end of the water tank 10, a filling port 9 is provided on one side of the top rear end of the water tank 10, a water delivery pipe 18 is provided at the output end of the backwash pump 12, a "U"-shaped flushing pipe 13 is provided at the bottom between the two sides inside the box body 1, the front end of the water delivery pipe 18 passes through the rear end of the box body 1 and is fixedly connected to the rear end of the flushing pipe 13, and the water delivery pipe 18 and the flushing pipe 13 are connected, and the two ends of the top of the flushing pipe 13 are provided with flushing nozzles 19, The flushing nozzles 19 are arranged at equal intervals at both ends of the top of the flushing pipe 13. The flushing water is drawn from the water tank 10 through the backwashing pump 12 via the water pumping pipe 11 and transported to the inside of the flushing pipe 13 through the water delivery pipe 18. Then, the flushing water is sprayed from bottom to top at the bottom of the filter screen 15 through the flushing nozzles 19 to perform backwashing operations, so as to achieve the purpose of flushing out the fine metal silicon particles that block the mesh of the filter screen 15, so as to avoid the fine metal silicon blocking the filter screen 15 after the device is used for a long time and affecting the normal operation of the device. In addition, the operation of cleaning the filter screen 15 is convenient and quick without stopping the device, which greatly reduces the maintenance cost of the device, ensures the efficiency of cleaning and recovering metal silicon of the device, and has strong feasibility.

[0023] After the device has been running for a long time, the backwash pump 12 is started to extract flushing water from the water tank 10 through the water pumping pipe 11 and transport it to the inside of the flushing pipe 13 through the water delivery pipe 18. Then, the flushing water is sprayed from bottom to top on the bottom of the filter screen 15 through the flushing nozzle 19 to flush out the fine metal silicon particles that block the mesh of the filter screen 15. The operation of cleaning the filter screen 15 is convenient and quick without stopping the machine.

[0024] As a further implementation of this embodiment, Figure 1-4 As shown, a flipping and conveying assembly is arranged at the middle position of the bottom end of the filter 15, and the flipping and conveying assembly includes a conveying auger 14, which is arranged at the middle position of the bottom end of the filter 15, and a reduction motor 4 is arranged at the middle position near the bottom of one side of the box body 1. A sealing sleeve 20 is penetrated at the middle position near the bottom of one side of the box body 1, and the other side of the conveying auger 14 penetrates the sealing sleeve 20 and is fixedly connected with the output end of the reduction motor 4. When the cleaning and recovery operation is in progress, the reduction motor 4 is started to drive the conveying auger 14 to rotate at the bottom end of the filter 15, and one side of the conveying auger 14 extends to the inside of the discharge port 6. The metal silicon particles filtered and trapped inside the filter 15 after cleaning are flipped and conveyed by the conveying auger 14 to be output from the discharge port 6, and the metal silicon particles can be flipped during the conveying process to make the cleaning more comprehensive and thorough, so that the device can continuously clean and recover the metal silicon in the polysilicon cutting waste, and can further improve the cleaning effect;

[0025] When the device is running, the reduction motor 4 is started to drive the conveying auger 14 to rotate at the bottom end inside the filter 15, and the metal silicon particles filtered and trapped inside the filter 15 after cleaning are turned over and transported by the conveying auger 14 to the discharge port 6 for output;

[0026] Specific working principle:

[0027] When using the cleaning and recycling device, firstly, the water supply pipeline is connected to the water inlet 8, and the metal silicon to be cleaned and recycled is put into the box body 1 through the feeding hopper 5. While the metal silicon is put into the box body 1, the cleaning water is input into the inside of the cleaning pipe 16 through the water inlet 8, and the cleaning water is sprayed out through the cleaning nozzle 17 to clean the metal silicon, and the cleaned metal silicon is filtered through the filter 15, and the cleaning waste water is discharged through the drain port 2. At the same time, the reduction motor 4 is started to drive the conveying auger 14 to rotate at the bottom end inside the filter 15, and the cleaned metal silicon is turned over and transported by the conveying auger 14. The filter screen 15 filters the metallic silicon particles trapped inside it and outputs them to the discharge port 6, and the metallic silicon is continuously turned over during the transportation process, so that the cleaning is more comprehensive. After the device has been running for a long time, the backwash pump 12 is started to draw flushing water from the water tank 10 through the suction pipe 11 and transport it to the inside of the flushing pipe 13 through the water pipe 18. Then, the flushing water is sprayed from bottom to top at the bottom of the filter screen 15 through the flushing nozzle 19 to flush out the fine metallic silicon particles that block the mesh of the filter screen 15. The cleaning operation of the filter screen 15 is convenient and quick, and there is no need to stop the machine, so the cleaning and recovery operation of the metallic silicon is continuously carried out.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cleaning and recovery device for metallic silicon in polysilicon cutting waste, comprising a housing (1), characterized in that: A bracket (3) is provided between the two sides of the box body (1), a feeding hopper (5) is provided at the top of the box body (1), a liquid discharge port (2) is provided on one side of the bottom end of the box body (1), a touch panel (7) is provided at the bottom of one side of the front end of the box body (1), a filter screen (15) is provided at a position close to the bottom between the two sides of the inside of the box body (1), a water inlet (8) is provided at the middle position of the top of one side of the box body (1), a discharge port (6) is provided at the middle position close to the bottom of the other side of the box body (1), a cleaning pipe (16) is provided at the top between the two sides of the inside of the box body (1), and two ends of the bottom of the cleaning pipe (16) are provided. A cleaning nozzle (17) is provided. A water tank (10) is provided on one side of the bottom of the rear end of the box body (1). A backwash pump (12) is provided at the middle position of the bottom of the rear end of the box body (1). A water suction pipe (11) is provided at the input end of the backwash pump (12). A filling port (9) is provided on one side of the top of the rear end of the water tank (10). A water delivery pipe (18) is provided at the output end of the backwash pump (12). A flushing pipe (13) is provided at the bottom between the two sides of the box body (1). Flushing nozzles (19) are provided at both ends of the top of the flushing pipe (13). A flipping and conveying assembly is provided at the middle position of the bottom end of the filter screen (15).

2. The cleaning and recovery device for metallic silicon in polysilicon cutting waste according to claim 1, characterized in that: One end of the water extraction pipe (11) passes through one side of the bottom of the rear end of the water tank (10), and the front end of the water delivery pipe (18) passes through the rear end of the tank body (1) and is fixedly connected to the rear end of the flushing pipe (13), and the water delivery pipe (18) and the flushing pipe (13) are in communication.

3. The cleaning and recovery device for metallic silicon in polysilicon cutting waste according to claim 1, characterized in that: The flushing pipe (13) is in a "U" shape, and the flushing nozzles (19) are arranged at equal intervals at both ends of the top of the flushing pipe (13).

4. The cleaning and recovery device for metallic silicon in polysilicon cutting waste according to claim 1, characterized in that: One side of the water inlet (8) is fixedly connected to the middle position of one side of the cleaning pipe (16); the cleaning pipe (16) is in a "U" shape; and the cleaning nozzles (17) are arranged at equal intervals at both ends of the bottom of the cleaning pipe (16).

5. The cleaning and recovery device for metallic silicon in polysilicon cutting waste according to claim 1, characterized in that: The flipping conveying assembly comprises a conveying auger (14), the conveying auger (14) being arranged at a middle position of the bottom end inside the filter screen (15), a reduction motor (4) being arranged at a middle position near the bottom on one side of the box body (1), and a sealing sleeve (20) being passed through a middle position near the bottom on one side of the box body (1).

6. The cleaning and recovery device for metallic silicon in polysilicon cutting waste according to claim 5, characterized in that: One side of the conveying auger (14) extends to the inside of the discharge port (6), and the other side of the conveying auger (14) passes through the sealing sleeve (20) and is fixedly connected to the output end of the reduction motor (4).

Images