Garbage crushing treatment device

Abstract

The utility model provides a garbage crushing treatment device. The garbage crushing treatment device comprises a primary crushing tank, a magnetic separation tank and a secondary crushing tank, the primary crushing groove comprises a crushing groove hopper, a rolling wheel set and an adjusting mechanism which are arranged on the rack, and the rolling wheel set comprises a roller pair set composed of two crushing rollers, crushing teeth, a compression spring and an arc scraping piece. According to the garbage crushing treatment device, the arc scraping pieces are arranged on the crushing rollers, the through holes corresponding to the crushing teeth in number and position one by one are formed in the arc scraping pieces, and the compression springs stretch out and draw back to enable the crushing teeth to penetrate through the through holes back and forth; the crushed objects pricked on the crushing teeth can be scraped and rubbed by the edges of the through holes along with the recovery of the arc scraping blades, so that the crushed objects pricked and attached to the crushing teeth fall off, the phenomenon that the crushed objects pricked and attached to the crushing teeth cause tooth clamping is avoided, and after the magnetic materials are crushed through the first-stage crushing groove, the magnetic materials are separated through the magnetic separation groove; and the materials enter the secondary crushing tank for further separation, so that a better crushing effect can be obtained.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection equipment, and particularly relates to a garbage crushing and processing device. Background Art

[0002] When dealing with and cleaning garbage such as waste and domestic garbage, it is necessary to first crush the garbage for easy transportation. Currently, there are also devices or equipment for processing garbage through a crushing method. However, when the crushing roller is crushing, after the garbage is punctured by the teeth of the crushing roller, it does not fall off the teeth, which easily causes the garbage to get stuck on the crushing teeth and affects the crushing efficiency. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a garbage crushing and processing device.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a garbage crushing and processing device, which includes a primary crushing tank, a magnetic separation tank, and a secondary crushing tank;

[0005] The primary crushing tank includes a crushing tank hopper arranged on a frame, a rolling wheel group arranged in the crushing tank hopper, and an adjusting mechanism for adjusting the rolling distance of the rolling wheel group. The rolling wheel group includes a pair of rollers composed of two crushing rollers, crushing teeth integrally arranged on the crushing rollers, compression springs, and arc-shaped scraping plates. The crushing teeth are arranged in an array on the circumferential surface of the crushing rollers. The arc-shaped scraping plates are provided with a row of a plurality of through holes along the central axis direction of the arc-shaped scraping plates. On each crushing roller, there are a rows of crushing teeth along the central axis direction of the crushing roller. On each crushing roller, a arc-shaped scraping plates are connected through the compression springs. Each arc-shaped scraping plate is connected to the crushing roller through at least two compression springs. a is an integer not less than 4. The a arc-shaped scraping plates on each crushing roller are centrosymmetric along the central axis of the crushing roller. A row of through holes on each arc-shaped scraping plate corresponds to a row of crushing teeth along the central axis direction of the crushing roller on the crushing roller. The compression springs expand and contract so that the crushing teeth can pass through the through holes back and forth; the magnetic separation tank is connected in series between the primary crushing tank and the secondary crushing tank, and the structure of the secondary crushing tank is the same as that of the primary crushing tank.

[0006] The above-mentioned garbage crushing and processing device is provided with arc-shaped scraping blades on the crushing rollers. Through holes corresponding to the number and positions of the crushing teeth one by one are arranged on the arc-shaped scraping blades. The compression springs expand and contract to enable the crushing teeth to pass through the through holes back and forth. In this way, when the crushing rollers approach and rotate for extrusion, the compression springs are compressed to drive the arc-shaped scraping blades to approach the circumferential surface of the crushing rollers, that is, move from the tips of the crushing teeth to the tails of the crushing teeth fixed on the crushing rollers. When the crushing rollers rotate, the arc-shaped scraping blades far away from the extrusion position of the two crushing rollers are no longer extruded, and the compression springs recover to move the arc-shaped scraping blades from the tails of the crushing teeth fixed on the crushing rollers to the tips of the crushing teeth. Then, during the crushing process, the crushed materials stuck on the crushing teeth will be scraped and rubbed against the edges of the through holes as the arc-shaped scraping blades return to their original positions, so that the crushed materials stuck on the crushing teeth will fall off, avoiding the situation where the crushed materials are stuck on the crushing teeth and causing tooth jamming. Since the crushing rollers are cylindrical, the smaller the circumference formed by all the crushing teeth at the position closer to the crushing rollers, and the larger the circumference formed by all the crushing teeth at the position farther away from the crushing rollers. That is, at the position closer to the crushing rollers, the distance between adjacent crushing teeth is smaller, and at the position farther away from the crushing rollers, the distance between adjacent crushing teeth is larger. One column of through holes on each arc-shaped scraping blade of the above-mentioned garbage crushing and processing device corresponds to the positions of one column of crushing teeth along the central axis direction of the crushing rollers on the crushing rollers, that is, each arc-shaped scraping blade corresponds to one column of crushing teeth, avoiding the situation where the arc-shaped scraping blades cannot penetrate through the crushing teeth and move freely normally due to the inconsistent distances between adjacent crushing teeth at the positions closer to and farther away from the crushing rollers. The magnetic separation tank is connected in series between the primary crushing tank and the secondary crushing tank. After being crushed in the primary crushing tank, the magnetic separation tank separates magnetic materials and then enters the secondary crushing tank for further separation, so as to obtain a better crushing effect.

[0007] Preferably, a discharge port and a first screen are arranged below the primary crushing tank at the discharge port. A transmission component is arranged below the discharge port of the primary crushing tank to convey the materials discharged from the discharge port of the crushing tank to the magnetic separation tank. The magnetic separation tank is provided with a non-magnetic material discharge port and a magnetic material discharge port. The feed port of the secondary crushing tank is arranged below the non-magnetic material discharge port.

[0008] Preferably, the primary crushing tank further includes a crushing motor arranged on the frame. The crushing motor is connected to the rotating shaft of the rolling wheel group through a connecting piece, and the rolling wheel group is connected to the adjusting mechanism.

[0009] The above-mentioned garbage crushing and processing device realizes crushing by driving the crushing rollers to rotate through a motor.

[0010] Preferably, a is an integer from 6 to 16.

[0011] When a is an integer from 6 to 16, that is, there are 6 to 16 columns of crushing teeth along the central axis direction of the crushing rollers on the crushing rollers, the crushing effect is better.

[0012] Preferably, the shape of the crushing teeth is conical or quasi-conical, and the shape of the through holes on the arc-shaped scraping blade is geometrically similar to the shape of the cross-section of the crushing teeth.

[0013] Through the setting of the shapes of the through holes and the crushing teeth, the distance between the edge of the through hole and the crushing teeth is closer, which better improves the scraping effect of the arc-shaped scraping blade on the crushed materials punctured and attached to the crushing teeth.

[0014] Preferably, when the compression spring has no elastic deformation, the arc-shaped scraping blade is located at the tip of the crushing teeth, and the area of the through holes on the arc-shaped scraping blade is 1.05 - 1.2 times the cross-sectional area of the tail end of the crushing teeth.

[0015] Through the setting of the shapes and sizes of the through holes and the crushing teeth, the distance between the edge of the through hole and the crushing teeth is closer, which better improves the scraping effect of the arc-shaped scraping blade on the crushed materials punctured and attached to the crushing teeth.

[0016] Preferably, the curvature of the arc-shaped scraping blade is not greater than the curvature of the outer circumference of the crushing roller.

[0017] Preferably, the length of the arc chord of each arc-shaped scraping blade meets the following condition: when the compression spring is fully compressed, there is a certain interval between adjacent two arc-shaped scraping blades.

[0018] The above-mentioned garbage crushing and processing device avoids the blocking and jamming between adjacent two arc-shaped scraping blades. As long as the circumferential perimeter of the circumferential surface formed by all the arc-shaped scraping blades on the crushing roller is not greater than the outer circumferential perimeter of the crushing roller when the compression spring is fully compressed, there will be no situation of blocking and jamming between adjacent two arc-shaped scraping blades.

[0019] Preferably, an electromagnet and a metal collection tank are arranged in the magnetic separation tank. The electromagnet includes a magnetic layer and a protective mesh layer, and the electromagnet is switchably electrically connected to an external power source.

[0020] In the magnetic separation tank of the above-mentioned garbage crushing and processing device, an electromagnet and a metal collection tank are arranged. When crushing, the electromagnet is energized. After the electromagnetic winding inside the electromagnet is energized, a certain magnetism can be generated on the surface of the magnetic layer. When the magnetic layer has magnetism, it will adsorb the metal in the crushing materials, so that the metal will not be mixed with other materials. When adsorbing the metal, the protective mesh layer will block some larger metals, so that the metal will not accumulate on the surface of the magnetic layer to form a shield and weaken the magnetism. When the adsorbed metal gradually increases, stop feeding and turn off the power supply to demagnetize the electromagnet, and the metal will fall off into the metal collection tank.

[0021] Preferably, the material of the protective net layer is an organic polymer material, and the organic polymer material is at least one of polyethylene, polypropylene, polytetrafluoroethylene, and polyvinyl chloride.

[0022] Preferably, a discharge port and a second screen are provided below the secondary crushing tank, and the mesh area of the first screen is 2 to 5 times that of the second screen.

[0023] The above-mentioned garbage crushing and processing device connects the primary crushing tank, the magnetic separation tank, and the secondary crushing tank in sequence. After the primary crushing tank crushes, the magnetic separation tank collects and separates the magnetic materials, and the non-magnetic materials enter the secondary crushing tank for crushing. Moreover, the mesh area of the first screen is 2 to 5 times that of the second screen. In the primary crushing tank, due to the presence of materials such as steel and iron, the crushing particle size is large and it is easy to leak from the first screen into the magnetic separation tank. After the magnetic separation tank collects the large-particle-size magnetic materials such as steel and iron, the non-magnetic materials enter the secondary crushing tank for crushing, obtaining a better crushing effect and reducing the risk of tooth jamming.

[0024] Preferably, the number of arc-shaped scraping blades and compression springs connected to each crushing roller is equal to the number of crushing teeth. One compression spring sleeves one crushing tooth, and both ends of the compression spring are respectively connected to the arc-shaped scraping blade and the crushing roller.

[0025] The above-mentioned garbage crushing and processing device enables the spring restoring force to be enhanced by sleeving one compression spring on one crushing tooth and connecting both ends of the compression spring to the arc-shaped scraping blade and the crushing roller respectively, enhancing the scraping force of the arc-shaped scraping blade on the crushed materials punctured and attached to the crushing teeth, and making the arc-shaped scraping blade evenly stressed. Moreover, the compression spring sleeving the crushing tooth avoids tooth jamming caused by spring skew.

[0026] The beneficial effects of the present utility model are as follows: The present utility model provides a garbage crushing and processing device. The garbage crushing and processing device of the present utility model connects the primary crushing tank, the magnetic separation tank, and the secondary crushing tank in sequence. After the primary crushing tank crushes, the magnetic separation tank collects and separates the magnetic materials, and the non-magnetic materials enter the secondary crushing tank for crushing. Moreover, the mesh area of the first screen is 2 to 5 times that of the second screen. In the primary crushing tank, due to the presence of materials such as steel and iron, the crushing particle size is large and it is easy to leak into the magnetic separation tank through the first screen. After the magnetic separation tank collects the large-particle-size magnetic materials such as steel and iron, the non-magnetic materials enter the secondary crushing tank for crushing, obtaining a better crushing effect and reducing the risk of tooth jamming. The garbage crushing and processing device of the present utility model is provided with arc-shaped scraping blades on the crushing rollers. Through holes corresponding to the number and positions of the crushing teeth one by one are provided on the arc-shaped scraping blades. The compression springs expand and contract so that the crushing teeth can pass through the through holes back and forth. In this way, when the crushing rollers approach and rotate and squeeze, the compression springs are compressed and drive the arc-shaped scraping blades to approach the circumferential surface of the crushing rollers, that is, move from the tips of the crushing teeth to the tails of the crushing teeth fixed on the crushing rollers. When the crushing rollers rotate, the arc-shaped scraping blades far away from the squeezing position of the two crushing rollers are no longer squeezed, and the compression springs recover, causing the arc-shaped scraping blades to move from the tails of the crushing teeth fixed on the crushing rollers to the tips of the crushing teeth. Then, during the crushing process, the crushed materials stuck on the crushing teeth will be scraped and rubbed against the edges of the through holes as the arc-shaped scraping blades return to their original positions, causing the crushed materials stuck on the crushing teeth to fall off, avoiding the crushed materials from sticking to the crushing teeth and causing tooth jamming. The crushing rollers are cylindrical. The closer to the crushing rollers, the smaller the circumference formed by all the crushing teeth at this position, and the farther away from the crushing rollers, the larger the circumference formed by all the crushing teeth at this position. That is, at the position close to the crushing rollers, the distance between adjacent crushing teeth is smaller, and at the position far away from the crushing rollers, the distance between adjacent crushing teeth is larger. In the garbage crushing and processing device of the present utility model, a row of through holes on each arc-shaped scraping blade corresponds to the positions of a row of crushing teeth along the central axis direction of the crushing rollers on the crushing rollers, that is, each arc-shaped scraping blade corresponds to a row of crushing teeth, avoiding the arc-shaped scraping blades from not being able to move through the crushing teeth normally and freely due to the inconsistent distances between adjacent crushing teeth at the positions close to and far away from the crushing rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic structural diagram of a garbage crushing and processing device according to an embodiment of the present utility model.

[0028] Figure 2 It is a schematic structural diagram of the primary crushing tank and the secondary crushing tank of a garbage crushing and processing device according to an embodiment of the present utility model.

[0029] Figure 3 It is a schematic structural diagram of the crushing rollers of the primary crushing tank and the secondary crushing tank of a garbage crushing and processing device according to an embodiment of the present utility model.

[0030] Figure 4 This is a schematic structural diagram of an arc scraping blade of a garbage crushing and processing device according to an embodiment of the present invention.

[0031] Among them, 1. Crushing tank, 2. Magnetic separation tank, 3. Density screening tank, 4. Transmission component, 5. Frame, 6. Crushing tank hopper, 7. Roller group arranged in the crushing tank hopper, 8. Adjusting mechanism for adjusting the rolling distance of the roller group, 9. Crushing roller, 10. Crushing teeth, 11. Arc scraping blade, 12. Compression spring, 13. Screen, 14. Discharge port of the crushing tank, 15. Metal collection tank, 16. Rotating shaft of the crushing roller, 17. Through hole. Specific embodiments

[0032] To better illustrate the purpose, technical solution and advantages of the present invention, the present invention will be further described below in conjunction with specific embodiments. Embodiment 1

[0033] As a garbage crushing and processing device according to an embodiment of the present invention, it includes a primary crushing tank (1), a magnetic separation tank (2) and a secondary crushing tank (3);

[0034] The primary crushing tank (1) includes a crushing tank hopper (6) arranged on the frame (5), a roller group (7) arranged in the crushing tank hopper, and an adjusting mechanism (8) for adjusting the rolling distance of the roller group. The roller group (7) includes a pair of roller group composed of two crushing rollers (9), crushing teeth (10) integrally arranged on the crushing rollers, compression springs (12) and arc scraping blades (11). The crushing teeth (10) are arranged in an array on the circumferential surface of the crushing roller (9). A column of a plurality of through holes (25) in the same direction along the central axis of the arc scraping blade is arranged on the arc scraping blade (11). A column of crushing teeth (10) along the central axis direction of the crushing roller is arranged on each crushing roller (9). A arc scraping blades (11) are connected to each crushing roller (9) through compression springs (12). Each arc scraping blade (11) is connected to the crushing roller (9) through at least two compression springs (12). a is an integer not less than 4. The a arc scraping blades (11) on each crushing roller (9) are centrosymmetric along the central axis of the crushing roller (9). A column of through holes (25) on each arc scraping blade (11) corresponds to a column of crushing teeth (10) along the central axis direction of the crushing roller (9) in position. The compression spring (12) expands and contracts so that the crushing teeth (10) can pass through the through holes (17) back and forth; The magnetic separation tank (2) is serially arranged between the primary crushing tank (1) and the secondary crushing tank (3). The structural composition of the secondary crushing tank (3) is the same as that of the primary crushing tank (1);

[0035] Below the primary crushing tank (1), there is a discharge port (14) and a first screen (13) arranged at the discharge port. Below the discharge port (14) of the primary crushing tank, a conveying assembly is provided to convey the materials discharged from the discharge port (14) of the primary crushing tank to the magnetic separation tank (2). The magnetic separation tank (2) is provided with a non-magnetic material discharge port (4) and a magnetic material discharge port. Below the non-magnetic material discharge port (4), there is a feed port of the secondary crushing tank (3).

[0036] Similarly, the feed port of the magnetic separation tank (2) can also be arranged directly below the discharge port (14) of the primary crushing tank so that the materials discharged from the discharge port (14) of the primary crushing tank can directly fall into the magnetic separation tank (2).

[0037] In the garbage crushing and processing device of the embodiment of the present utility model, the magnetic separation tank is connected in series between the primary crushing tank and the secondary crushing tank. After being crushed by the primary crushing tank, the magnetic separation tank separates the magnetic materials, and then enters the secondary crushing tank for further separation, which can obtain a better crushing effect. In the above garbage crushing and processing device, arc-shaped scraping blades are arranged on the crushing rollers. Through holes corresponding to the number and positions of the crushing teeth one by one are arranged on the arc-shaped scraping blades. The compression springs expand and contract to enable the crushing teeth to pass through the through holes back and forth. In this way, when the crushing rollers approach and rotate and squeeze, the compression springs are compressed to drive the arc-shaped scraping blades to approach the circumferential surface of the crushing rollers, that is, move from the tips of the crushing teeth to the tails of the crushing teeth fixed on the crushing rollers. When the crushing rollers rotate, the arc-shaped scraping blades far away from the squeezing position of the two crushing rollers are no longer squeezed, and the compression springs recover to make the arc-shaped scraping blades move from the tails of the crushing teeth fixed on the crushing rollers to the tips of the crushing teeth. Then, during the crushing process, the crushed materials stuck on the crushing teeth will be scraped and rubbed by the edges of the through holes as the arc-shaped scraping blades return to their original positions, so that the crushed materials stuck on the crushing teeth will fall off, avoiding the crushing teeth being stuck due to the crushed materials sticking to the crushing teeth. If the crushing rollers are cylindrical, the smaller the circumference formed by all the crushing teeth at the position closer to the crushing rollers, and the larger the circumference formed by all the crushing teeth at the position farther away from the crushing rollers. That is, at the position closer to the crushing rollers, the distance between adjacent crushing teeth is smaller, and at the position farther away from the crushing rollers, the distance between adjacent crushing teeth is larger. In the above garbage crushing and processing device, a row of through holes on each arc-shaped scraping blade corresponds to the position of a row of crushing teeth along the central axis direction of the crushing rollers on the crushing rollers, that is, each arc-shaped scraping blade corresponds to a row of crushing teeth, avoiding the arc-shaped scraping blades being unable to move through the crushing teeth normally and freely due to the inconsistent distances between adjacent crushing teeth at the positions closer to and farther away from the crushing rollers.

[0038] Furthermore, the primary crushing tank (1) further includes a crushing motor arranged on the frame. The crushing motor is connected to the rotating shaft (16) of the rolling wheel group through a connecting piece, and the rolling wheel group is connected to the adjusting mechanism (8).

[0039] The garbage crushing and processing device according to the embodiment of the present utility model realizes crushing by driving the crushing roller to rotate through a motor.

[0040] Further, a is an integer from 6 to 16.

[0041] When a is an integer from 6 to 16, that is, there are 6 to 16 columns of crushing teeth along the central axis direction of the crushing roller, and the crushing effect is better.

[0042] Further, the shape of the crushing tooth (10) is conical or quasi-conical, and the shape of the through-hole on the arc-shaped scraping blade (11) is geometrically similar to the shape of the cross-section of the crushing tooth.

[0043] The garbage crushing and processing device according to the embodiment of the present utility model, through the setting of the through-hole and the shape of the crushing tooth, makes the distance between the edge of the through-hole and the crushing tooth closer, and better improves the scraping effect of the arc-shaped scraping blade on the crushed matter punctured and attached to the crushing tooth.

[0044] Further, when the compression spring (12) has no elastic deformation, the arc-shaped scraping blade (11) is located at the tip of the crushing tooth (10), and the area of the through-hole on the arc-shaped scraping blade (11) is 1.05 to 1.2 times the cross-sectional area of the tail end of the crushing tooth (10).

[0045] The garbage crushing and processing device according to the embodiment of the present utility model, through the setting of the shape and size of the through-hole and the crushing tooth, makes the distance between the edge of the through-hole and the crushing tooth closer, and better improves the scraping effect of the arc-shaped scraping blade on the crushed matter punctured and attached to the crushing tooth.

[0046] Further, the curvature of the arc-shaped scraping blade (11) is not greater than the curvature of the outer circumference of the crushing roller (9).

[0047] Further, the length of the arc chord of each arc-shaped scraping blade (11) meets the following conditions: when the compression spring (12) is completely compressed, there is a certain interval between adjacent two arc-shaped scraping blades (11).

[0048] The garbage crushing and processing device according to the embodiment of the present utility model avoids the blockage and jamming between adjacent two arc-shaped scraping blades. As long as the circumferential perimeter of the circumferential surface formed by all the arc-shaped scraping blades on the crushing roller is not greater than the outer circumferential perimeter of the crushing roller when the compression spring is completely compressed, there will be no situation of blockage and jamming between adjacent two arc-shaped scraping blades.

[0049] Further, an electromagnet and a metal collection tank (15) are arranged in the magnetic separation tank (2). The electromagnet includes a magnetic layer and a protective mesh layer, and the electromagnet is switchably electrically connected to an external power supply.

[0050] In the magnetic separation tank of the garbage crushing and processing device according to the embodiment of the present utility model, an electromagnet and a metal collection tank are provided. When crushing, the electromagnet is energized. After the electromagnetic winding inside the electromagnet is energized, a certain magnetism can be generated on the surface of the magnetic layer. When the magnetic layer has magnetism, it will adsorb the metal in the crushed materials, so that the metal will not be mixed with other materials. When the metal is adsorbed, the protective net layer will block larger metals, so that the metal will not accumulate on the surface of the magnetic layer to form a shield and weaken the magnetism. When the adsorbed metal gradually increases, the feeding is stopped, the power supply is turned off to demagnetize the electromagnet, and the metal falls into the metal collection tank.

[0051] Further, the material of the protective net layer is an organic polymer material, and the organic polymer material is at least one of polyethylene, polypropylene, polytetrafluoroethylene, and polyvinyl chloride.

[0052] Further, a discharge port and a second screen are provided below the secondary crushing tank, and the mesh area of the first screen is 2 to 5 times that of the second screen.

[0053] The garbage crushing and processing device according to the embodiment of the present utility model connects the primary crushing tank, the magnetic separation tank, and the secondary crushing tank in sequence. After the primary crushing tank crushes, the magnetic separation tank collects and separates the magnetic materials, and the non-magnetic materials enter the secondary crushing tank for crushing. Moreover, the mesh area of the first screen is 2 to 5 times that of the second screen. In the primary crushing tank, due to the presence of materials such as steel and iron, the crushing particle size is large and it is easy to leak from the first screen into the magnetic separation tank. After the magnetic separation tank collects the large-particle-size magnetic materials such as steel and iron, the non-magnetic materials enter the secondary crushing tank for crushing, obtaining a better crushing effect and reducing the risk of tooth jamming.

[0054] Further, the number of arc-shaped scraping blades (11) and compression springs (12) connected to each crushing roller (9) is equal to the number of crushing teeth (10). A compression spring sleeve (12) is sleeved on one crushing tooth (10), and both ends of the compression spring (12) are respectively connected to the arc-shaped scraping blade (11) and the crushing roller (9).

[0055] In the garbage crushing and processing device according to the embodiment of the present utility model, by sleeving one compression spring on one crushing tooth and connecting both ends of the compression spring to the arc-shaped scraping blade and the crushing roller respectively, the spring restoring force can be enhanced, the scraping force of the arc-shaped scraping blade on the crushed materials punctured and attached to the crushing teeth can be enhanced, and the arc-shaped scraping blade can be evenly stressed. Moreover, the compression spring sleeving the crushing tooth avoids tooth jamming caused by the spring skewing.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A garbage crushing and processing device, characterized in that: The garbage crushing and processing device comprises a primary crushing tank, a magnetic separation tank and a secondary crushing tank; The primary crushing trough comprises a crushing trough bucket arranged on a frame, a rolling wheel group arranged in the crushing trough bucket, and an adjusting mechanism for adjusting the rolling spacing of the rolling wheel group, the rolling wheel group comprises a pair of rollers composed of two crushing rollers, crushing teeth, a compression spring and an arc scraper integrally arranged on the crushing roller, the crushing teeth are distributed in an array on the circumferential surface of the crushing roller, the arc scraper is provided with a row of a plurality of through holes in the same direction along the central axis of the arc scraper, each crushing roller is provided with a row of crushing teeth in the direction of the central axis of the crushing roller, a circular arc scraper is connected to each crushing roller through the compression spring, each circular arc scraper is connected to the crushing roller through at least two compression springs, a is an integer not less than 4, a circular arc scraper on each crushing roller is symmetrical along the central axis of the crushing roller, a row of through holes on each circular arc scraper corresponds to a row of crushing teeth on the crushing roller in the direction of the central axis of the crushing roller, and the compression spring is extended and retracted so that the crushing teeth can pass through the through holes back and forth; The magnetic separation tank is arranged in series between the primary crushing tank and the secondary crushing tank, and the structural composition of the secondary crushing tank is the same as that of the primary crushing tank.

2. The garbage crushing and processing device according to claim 1, characterized in that: A discharge port and a first screen arranged at the discharge port are arranged below the primary crushing trough, a transmission component is arranged below the discharge port of the primary crushing trough to transmit the material discharged from the discharge port of the crushing trough to the magnetic separation trough, the magnetic separation trough is provided with a non-magnetic material discharge port and a magnetic material discharge port, and a feed port of the secondary crushing trough is arranged below the non-magnetic material discharge port.

3. The garbage crushing and processing device according to claim 1, characterized in that: The primary crushing tank also includes a crushing motor arranged on a frame, the crushing motor is connected to the rotating shaft of the rolling wheel group through a connecting piece, and the rolling wheel group is connected to the adjusting mechanism.

4. The garbage crushing and processing device according to claim 1, characterized in that: a is an integer of 6 to 16, the shape of the crushing tooth is conical or quasi-conical, and the shape of the through hole on the arc scraper is geometrically similar to the shape of the cross section of the crushing tooth.

5. The garbage crushing and processing device according to claim 4, characterized in that: When the compression spring has no elastic deformation, the arc scraper is located at the tip of the crushing tooth, the area of ​​the through hole on the arc scraper is 1.05 to 1.2 times the cross-sectional area of ​​the tail end of the crushing tooth, and the curvature of the arc scraper is not greater than the curvature of the outer circumference of the crushing roller.

6. The garbage crushing and processing device according to claim 1, characterized in that: The length of the arc chord of each circular arc scraper blade meets the following condition: when the compression spring is fully compressed, a certain interval is maintained between two adjacent circular arc scrapers.

7. The garbage crushing and processing device according to claim 1, characterized in that: The magnetic separation tank is provided with an electromagnet and a metal collecting tank, the electromagnet comprises a magnetic layer and a protective net layer, and the electromagnet is electrically connected to an external power source in a switchable manner.

8. The garbage crushing and processing device according to claim 7, characterized in that: The material of the protective net layer is an organic polymer material, and the organic polymer material is at least one of polyethylene, polypropylene, polytetrafluoroethylene, and polyvinyl chloride.

9. The garbage crushing and processing device according to claim 2, characterized in that: A discharge port and a second screen arranged at the discharge port are arranged below the secondary crushing trough, and the mesh area of ​​the first screen is 2 to 5 times the mesh area of ​​the second screen.

10. The garbage crushing and processing device according to claim 1, characterized in that: The number of compression springs connecting the arc scraper and the crushing roller on each crushing roller is equal to the number of crushing teeth, one compression spring covers one crushing tooth and the two ends of the compression spring are respectively connected to the arc scraper and the crushing roller.

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