Incinerator slag multi-stage separation system

Abstract

The invention discloses an incineration slag multi-stage sorting system, and relates to the technical field of slag sorting, the incineration slag multi-stage sorting system comprises a machine body and an outer cylinder, one end of the machine body is provided with a driving mechanism, the bottom of the machine body is provided with a discharging mechanism, the outer cylinder is internally provided with a crushing mechanism, and the discharging mechanism is internally provided with a conveying mechanism. By adopting the mode that the inner cylinder and the outer cylinder are separated, then the first spiral blade and the second spiral blade rotate in the rotating direction and the crushing plate is designed, the effects of synchronous crushing and coarse and fine separation of slag are achieved, meanwhile, the conveying mechanism is combined with an electromagnet and a permanent magnet roller, sorting of iron attribute metal and non-iron metal is automatically completed, and the sorting efficiency is improved. And the number of equipment and intermediate transfer links are reduced, so that the slag separation efficiency and the resource recovery rate are greatly improved, and the technical problems that multiple kinds of equipment occupy space, slag conveying occupies a large amount of time in the whole slag separation process, and the overall slag separation efficiency is low are solved.

Description

Technical Field

[0001] This invention relates to the field of slag sorting technology, specifically to a multi-stage sorting system for incinerator slag. Background Technology

[0002] When disposing of daily household waste, it is usually sorted. Reusable household waste is then sorted and recycled separately. Paper and plastic waste are recycled, metal waste is melted down for recycling, while mixed waste such as vegetable and kitchen waste is generally processed by incineration.

[0003] By incinerating waste and producing slag, the slag is collected as solid waste and transformed into renewable resources, such as soil conditioners and composting materials. It is collected by a resource recycling treatment device to facilitate its transformation into renewable resources, thereby reducing the consumption of natural resources. The resource recycling treatment device for municipal solid waste incinerator slag not only improves resource utilization efficiency but also contributes to environmental protection and sustainable development.

[0004] In existing technologies, after slag is removed from the incinerator, it needs to be crushed and then screened. The slag is then transported to different equipment via a conveying device for sorting, thus classifying the slag. However, this method of slag sorting requires the use of multiple devices, and each device needs a conveying device to transport the slag. Multiple devices occupy a lot of space, and transporting the slag also takes up a lot of time in the entire slag sorting process, resulting in low overall efficiency of slag sorting. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide a multi-stage sorting system for incinerator slag to solve the technical problem that multiple devices occupy a lot of space and transporting slag takes up a lot of time in the entire slag sorting process, which leads to low overall efficiency of slag sorting.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-stage sorting system for incinerator slag, comprising a body and an outer cylinder. A drive mechanism is installed at one end of the body, and a discharge mechanism is installed at the bottom of the body. A crushing mechanism is installed inside the outer cylinder, and a conveying mechanism is installed inside the discharge mechanism. The crushing mechanism includes an inner cylinder, a first spiral blade, a second spiral blade, a crushing plate, and screen holes. The inner cylinder is rotatably connected to the inside of the outer cylinder. The first spiral blade is fixedly installed on the inner wall of the inner cylinder, and the second spiral blade is fixedly installed on the outer wall of the inner cylinder, with the second spiral blade located between the outer cylinder and the inner cylinder. The crushing plate is located inside the inner cylinder and is rotatably connected to the outer cylinder. The crushing plate, in cooperation with the first and second spiral blades, separates fine and coarse materials. Multiple sets of screen holes are opened on the outer wall of the inner cylinder, and the screen holes connect the inside and outside of the inner cylinder, allowing fine slag to detach from the inner cylinder.

[0007] By adopting the above technical solution, this invention achieves the effect of simultaneous crushing and separation of coarse and fine slag by using an inner and outer cylinder separation method, and then using the rotation direction of the first and second spiral blades and the design of the crushing plate. At the same time, the conveying mechanism, combined with electromagnets and permanent magnet rollers, automatically completes the separation of ferrous metals and non-ferrous metals, reducing the number of equipment and intermediate transfer links, thereby significantly improving the slag sorting efficiency and resource recovery rate. It solves the technical problem that multiple pieces of equipment occupy a lot of space and that transporting slag takes up a lot of time in the entire slag sorting process, resulting in low overall efficiency of slag sorting.

[0008] Furthermore, the machine body includes an outer cylinder, a feed inlet, a feed end, and a discharge end, wherein the feed end is fixedly installed at one end of the outer cylinder and the feed end is generally conical, the feed inlet is fixedly installed at the top of the feed end, and the discharge end is fixedly installed at the other end of the outer cylinder.

[0009] By adopting the above technical solution, the slag enters the feed end from the feed inlet. Since the feed end is cone-shaped, the slag will slide into the inner cylinder under the action of gravity.

[0010] Furthermore, the driving mechanism includes a drive motor, a drive shaft, a first sprocket set, and a rotating shaft. The drive motor is fixedly installed on the top side of the discharge mechanism, and the output end of the drive motor is fixedly connected to the drive shaft. The first sprocket set is fixedly installed on the outer wall of the drive shaft. The drive shaft is movably connected to the rotating shaft through the first sprocket set, and multiple sets of crushing plates are fixedly installed on the outer wall of the rotating shaft. The driving mechanism also includes a gear and a gear ring. The gear is fixedly installed at the end of the drive shaft, and the gear ring is fixedly installed at one end of the outer wall of the inner cylinder. The gear and the gear ring mesh with each other through teeth.

[0011] By adopting the above technical solution, the drive motor will drive the drive shaft fixed on its output end to rotate when it is powered on. The first sprocket set is installed on the drive shaft and is connected to the rotating shaft through the first sprocket set. Therefore, the rotating shaft will rotate together with the drive shaft when it rotates.

[0012] Furthermore, the crushing mechanism also includes a fine material discharge port and a coarse material discharge port, wherein the fine material discharge port is fixedly installed at the bottom of one end of the outer cylinder, and the coarse material discharge port is fixedly installed at the bottom of the discharge end. The machine body is connected to the discharge mechanism through the fine material discharge port and the coarse material discharge port.

[0013] By adopting the above technical solution, the harder slag will continue to be carried towards the feed end and then enter the coarse material discharge port. When the inner cylinder rotates, it will drive the crushed slag towards the fine material discharge port through the first spiral blade.

[0014] Furthermore, the conveying mechanism includes a conveying motor, a second sprocket set, and a conveyor belt. The conveying motor is fixedly installed on the outside of one side of the discharge mechanism. The output end of the conveying motor is fixedly connected to the second sprocket set. A conveyor belt is movably connected between the two sets of second sprocket sets, and the two sets of conveyor belts are respectively located at the bottom of the fine material discharge port and the coarse material discharge port. The conveying mechanism also includes a permanent magnet roller and an electromagnet. The electromagnet is fixedly installed inside the conveyor belt and is fixedly connected to the fixed shell. The permanent magnet roller is fixedly installed inside one end of the conveyor belt and is rotatably connected to the fixed shell. One end of the outer wall of the conveyor belt is installed at an angle, and the angles of the outer walls of the two sets of conveyor belts are respectively located directly below the fine material discharge port and the coarse material discharge port.

[0015] By adopting the above technical solution, after the fine and coarse materials fall onto the conveyor belt, they first come into contact with the inclined surface of the conveyor belt. At this time, an electromagnet is installed at the bottom of the inclined surface of the conveyor belt. When the electromagnet is energized, it generates a magnetic field. The ferrous metals in the fine and coarse materials are attracted to the conveyor belt by the electromagnet and are carried to the third discharge port. The ferrous metals are then transported to the ferrous metal recycling point by the conveying device installed at the bottom of the third discharge port. After the non-ferrous metals reach the permanent magnet roller, they will jump to the first discharge port due to the inherent characteristics of the permanent magnet roller, thus completing the separation of non-ferrous metals from the slag.

[0016] Furthermore, the discharge mechanism includes a fixed shell, a first discharge port, a second discharge port, and a third discharge port. The fixed shell is fixedly installed at the bottom of the outer cylinder. Two sets of the first discharge ports are respectively opened at both ends of the outer wall of the fixed shell. Two sets of the second discharge ports are opened at both ends of the interior of the fixed shell. The third discharge port is opened at the center of the interior of the fixed shell. Conveying devices are respectively installed at the bottom of the first discharge port, the second discharge port, and the third discharge port. The conveying devices at the bottom of the first discharge port, the second discharge port, and the third discharge port serve to convey slag of different compositions.

[0017] By adopting the above technical solution, the remaining slag will fall into the two sets of second discharge ports under the action of gravity. The bottom of the two sets of second discharge ports is also equipped with a conveying device, and the two sets of conveying devices will transport the fine slag and the coarse slag to different positions respectively.

[0018] In summary, the present invention has the following advantages: By adopting a method of separating the inner and outer cylinders, and then using the rotation direction of the first and second spiral blades and the design of the crushing plate, the present invention achieves the effect of simultaneous crushing and separation of coarse and fine slag. At the same time, the conveying mechanism, combined with electromagnets and permanent magnet rollers, automatically completes the separation of ferrous metals and non-ferrous metals, reducing the number of equipment and intermediate transfer links, thereby significantly improving the slag sorting efficiency and resource recovery rate. It solves the technical problem that multiple pieces of equipment occupy a lot of space and that transporting slag takes up a lot of time in the entire slag sorting process, resulting in low overall efficiency of slag sorting. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional view of some parts of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A; Figure 4 This is a cross-sectional view of a portion of the parts of this invention.

[0020] Figure 5 For the present invention Figure 4 Enlarged view of point B; Figure 6 This is a side sectional view of a partial part of the present invention; Figure 7 This is a cross-sectional view of the material discharge mechanism of the present invention; Figure 8 This is a side sectional view of the discharge mechanism of the present invention; Figure 9 For the present invention Figure 7 Enlarged view of point C.

[0021] In the diagram: 1. Machine body; 101. Outer cylinder; 102. Feed inlet; 103. Feeding end; 104. Discharge end; 2. Drive mechanism; 201. Drive motor; 202. Drive shaft; 203. First sprocket assembly; 204. Rotating shaft; 205. Gear; 206. Gear ring; 3. Discharge mechanism; 301. Fixed shell; 302. First discharge port; 303. Second discharge port; 304. Third discharge port; 4. Crushing mechanism; 401. Inner cylinder; 402. First spiral blade; 403. Second spiral blade; 404. Crushing plate; 405. Screen hole; 406. Fine material discharge port; 407. Coarse material discharge port; 5. Conveying mechanism; 501. Conveying motor; 502. Second sprocket assembly; 503. Conveyor belt; 504. Permanent magnet roller; 505. Electromagnet. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0023] The embodiments of the present invention will now be described.

[0024] A multi-stage sorting system for incinerator slag, such as Figure 1-9 As shown, it includes a body 1 and an outer cylinder 101. A drive mechanism 2 is installed at one end of the body 1, and a discharge mechanism 3 is installed at the bottom of the body 1. A crushing mechanism 4 is installed inside the outer cylinder 101, and a conveying mechanism 5 is installed inside the discharge mechanism 3. The user will feed untreated slag into the body 1 through the feeding device. Furthermore, the crushing mechanism 4 includes an inner cylinder 401, a first spiral blade 402, a second spiral blade 403, a crushing plate 404, and a screen 405. The inner cylinder 401 is rotatably connected to the inside of the outer cylinder 101. The first spiral blade 402 is fixedly installed on the inner wall of the inner cylinder 401, and the second spiral blade 403 is fixedly installed on the outer wall of the inner cylinder 401, with the second spiral blade 403 located between the outer cylinder 101 and the inner cylinder 401. The crushing plate 404 is located inside the inner cylinder 401 and is rotatably connected to the outer cylinder 101. The crushing plate 404 is located in the inner cylinder 401. The cooperation of the first spiral blade 402 and the second spiral blade 403 plays the role of separating fine materials from coarse materials. Multiple sets of screen holes 405 are opened on the outer wall of the inner cylinder 401, and the screen holes 405 connect the inside and outside of the inner cylinder 401, so that the fine slag can be separated from the inner cylinder 401. By adopting the method of separating the inner cylinder 401 and the outer cylinder 101, and then using the rotation direction of the first spiral blade 402 and the second spiral blade 403 and the design of the crushing plate 403 rotating inside the inner cylinder 401, the slag is simultaneously crushed and separated from coarse materials. Furthermore, the drive mechanism 2 includes a drive motor 201, a drive shaft 202, a first sprocket set 203, and a rotating shaft 204. The drive motor 201 is fixedly installed on the top side of the discharge mechanism 3. The output end of the drive motor 201 is fixedly connected to the drive shaft 202. The first sprocket set 203 is fixedly installed on the outer wall of the drive shaft 202. The drive shaft 202 is movably connected to the rotating shaft 204 through the first sprocket set 203. Multiple sets of crushing plates 404 are fixedly installed on the outer wall of the rotating shaft 204. The drive mechanism 2 also includes a gear 205 and a gear ring 206. When the drive motor 201 is powered, it drives the drive shaft 202 fixed on its output end to rotate. The first sprocket set 203 is installed on the drive shaft 202 and is connected to the rotating shaft 204 through the first sprocket set 203. Therefore, when the drive shaft 202 rotates, it will drive the rotating shaft 204 to rotate together. The gear 205 is fixedly installed at the end of the drive shaft 202, and the gear ring 206 is fixedly installed at one end of the outer wall of the inner cylinder 401. The gear 205 and the gear ring 206 are meshed by teeth. In the example, the machine body 1 includes an outer cylinder 101, a feed inlet 102, a feed end 103, and a discharge end 104. The feed end 103 is fixedly installed at one end of the outer cylinder 101 and is generally conical. The feed inlet 102 is fixedly installed at the top of the feed end 103, and the discharge end 104 is fixedly installed at the other end of the outer cylinder 101. The slag enters the feed end 103 from the feed inlet 102. Since the feed end 103 is generally conical, the slag will slide into the inner cylinder 401 under the action of gravity. In the example, the crushing mechanism 4 also includes a fine material discharge port 406 and a coarse material discharge port 407, wherein the fine material discharge port 406 is fixedly installed at the bottom of one end of the outer cylinder 101, and the coarse material discharge port 407 is fixedly installed at the bottom of the discharge end 104. The machine body 1 is connected to the discharge mechanism 3 through the fine material discharge port 406 and the coarse material discharge port 407. The harder slag will continue to be carried towards the feed end 103 and then enter the coarse material discharge port 407. When the inner cylinder 401 rotates, it will drive the crushed slag towards the fine material discharge port 406 through the first spiral blade 402. In the example, the conveying mechanism 5 includes a conveying motor 501, a second sprocket set 502, and a conveyor belt 503. The conveying motor 501 is fixedly installed on the outside of one side of the discharge mechanism 3. The output end of the conveying motor 501 is fixedly connected to the second sprocket set 502. The conveyor belt 503 is movably connected between the two sets of second sprocket sets 502. The two sets of conveyor belts 503 are located at the bottom of the fine material discharge port 406 and the coarse material discharge port 407, respectively. The conveying mechanism 5 also includes a permanent magnet roller 504 and an electromagnet 505. The electromagnet 505 is fixedly installed inside the conveyor belt 503 and is fixedly connected to the fixed housing 301. The permanent magnet roller 504 is fixedly installed inside one end of the conveyor belt 503 and is rotatably connected to the fixed housing 301. When fine and coarse materials fall onto the conveyor belt 503, they first come into contact with the inclined surface of the conveyor belt 503. At this time, an electromagnet 505 is installed at the bottom of the inclined surface of the conveyor belt 503. When the electromagnet 505 is energized, it generates a magnetic field. At this time, the ferrous metals in the fine and coarse materials are attracted to the conveyor belt 503 by the electromagnet 505. The ferrous metals are carried to the third discharge port 304 and fall down. They are then transported to the ferrous metal recycling point by the conveying device installed at the bottom of the third discharge port 304. After the non-ferrous metals reach the permanent magnet roller 504, the non-ferrous metals will jump to the first discharge port 302 under the characteristics of the permanent magnet roller 504, thereby completing the separation of non-ferrous metals in the slag. One end of the outer wall of the conveyor belt 503 is installed with an inclined surface, and the inclined surfaces of the outer walls of the two sets of conveyor belts 503 are located directly below the fine material discharge port 406 and the coarse material discharge port 407, respectively. In the example, the discharge mechanism 3 includes a fixed shell 301, a first discharge port 302, a second discharge port 303, and a third discharge port 304. The fixed shell 301 is fixedly installed at the bottom of the outer cylinder 101. Two sets of first discharge ports 302 are respectively opened at both ends of the outer wall of the fixed shell 301. Two sets of second discharge ports 303 are opened at both ends of the interior of the fixed shell 301. The third discharge port 304 is opened at the center of the interior of the fixed shell 301. Conveying devices are respectively installed at the bottom of the first discharge port 302, the second discharge port 303, and the third discharge port 304. The conveying devices at the bottom of the first discharge port 302, the second discharge port 303, and the third discharge port 304 play the role of conveying slag of different compositions. The remaining slag will fall into the two sets of second discharge ports 303 under the action of gravity. The bottom of the two sets of second discharge ports 303 is also equipped with a conveying device, which will transport the fine slag and the coarse slag to different locations respectively.

[0025] The working principle of this invention is as follows: When in use, the power is turned on, and the user can first feed the untreated slag into the machine body 1 through the feeding device. The slag will enter the feeding end 103 from the feeding port 102. Since the feeding end 103 is cone-shaped, the slag will slide into the inner cylinder 401 under the action of gravity. At this time, the drive mechanism 2 will be powered on and start. The drive motor 201 will be powered on and drive the drive shaft 202 fixed on its output end to rotate. The first sprocket set 203 is installed on the drive shaft 202 and is connected to the rotating shaft 204 through the first sprocket set 203. Therefore, when the drive shaft 202 rotates, it will drive the rotating shaft 204 to rotate together. A gear 205 is installed at the end of the drive shaft 202. The teeth of the gear 205 mesh with the teeth of the gear ring 206. Therefore, when the gear 205 rotates, it will drive the gear ring 206 to rotate through the meshing of the teeth. So the inner cylinder 401 will rotate with the drive shaft 202 under the action of the meshing of the gear 205 and the gear ring 206. The inner cylinder 401 is equipped with a second spiral blade 403. When the inner cylinder 401 rotates, the second spiral blade 403 drives the slag inside the inner cylinder 401 to move towards the discharge end 104. During the movement of the slag inside the inner cylinder 401, multiple sets of crushing plates 404 are installed on the rotating shaft 204. Each pair of crushing plates 404 are staggered. Therefore, when the rotating shaft 204 rotates, the crushing plates 404 will rotate synchronously, thereby continuously impacting the slag. After the slag is impacted by the crushing plate 404, the harder slag, such as slag containing metal or glass components, will not be crushed, while the more brittle slag, such as slag containing charcoal components, will be crushed. The crushed slag will fall through the multiple sets of screen holes 405 on the outer wall of the inner cylinder 401 into the space between the inner cylinder 401 and the outer cylinder 101. The harder slag will continue to be carried towards the feed end 103 and then enter the coarse material discharge port 407. When the inner cylinder 401 rotates, the outer wall of the inner cylinder 401 is equipped with a first spiral blade 402, and the first spiral blade 402 and the second spiral blade 403 rotate in opposite directions. Therefore, when the inner cylinder 401 rotates, it will drive the crushed slag to move towards the fine material discharge port 406 through the first spiral blade 402. The slag, which is divided into fine material and coarse material, will fall from the fine material discharge port 406 and the coarse material discharge port 407 respectively, and will fall onto the conveying mechanism 5 respectively. The two sets of conveying mechanisms 5 are symmetrically distributed in the discharge mechanism 3. Therefore, after the fine and coarse materials fall onto the conveyor belt 503, they will first come into contact with the inclined surface of the conveyor belt 503. At this time, an electromagnet 505 is installed at the bottom of the inclined surface of the conveyor belt 503. When the electromagnet 505 is energized, it will generate a magnetic field. At this time, the ferrous metals in the fine and coarse materials will be attracted to the conveyor belt 503 by the electromagnet 505. When the conveyor motor 501 in the conveyor mechanism 5 is powered on and started, it will drive the conveyor belt 503 to move through the second sprocket set 502. The two sets of conveyor motors 501 drive the rotation in opposite directions, so the two sets of conveyor belts 503 will move towards each other. The moving speed of the conveyor belts 503 is low, so that the ferrous metal can be carried along. Then the ferrous metal will be brought to the third discharge port 304 and fall down. It will be transported to the ferrous metal recycling point by the conveying device installed at the bottom of the third discharge port 304. Non-ferrous metals will slide down the inclined surface of the conveyor belt 503 under the action of gravity. When they slide to the bottom of the inclined surface of the conveyor belt 503, permanent magnet rollers 504 are installed inside the conveyor belt 503. The two sets of permanent magnet rollers 504 have different cross-sectional diameters and are used to separate non-ferrous metals in fine and coarse materials. After the non-ferrous metals reach the permanent magnet rollers 504, they will jump to the first discharge port 302 under the characteristics of the permanent magnet rollers 504, thus completing the separation of non-ferrous metals in the slag. The remaining slag will fall into the two sets of second discharge ports 303 under the action of gravity. The bottom of the two sets of second discharge ports 303 is also equipped with a conveying device. The two sets of conveying devices will transport the fine slag and the coarse slag to different positions for further processing. The above structure can solve the technical problem that multiple pieces of equipment occupy a lot of space and that transporting slag takes up a lot of time in the entire slag sorting process, resulting in low overall efficiency of slag sorting.

[0026] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A multi-stage sorting system for incinerator slag, comprising a body (1) and an outer cylinder (101), characterized in that: A drive mechanism (2) is installed at one end of the machine body (1), a discharge mechanism (3) is installed at the bottom of the machine body (1), a crushing mechanism (4) is provided inside the outer cylinder (101), and a conveying mechanism (5) is provided inside the discharge mechanism (3). The crushing mechanism (4) includes an inner cylinder (401), a first spiral blade (402), a second spiral blade (403), a crushing plate (404), and a screen (405). The inner cylinder (401) is rotatably connected to the inside of the outer cylinder (101). The first spiral blade (402) is fixedly installed on the inner wall of the inner cylinder (401), and the second spiral blade (403) is fixedly installed on the outer wall of the inner cylinder (401). The second spiral blade (403) is located between the outer cylinder (101) and the inner cylinder (405). Between 01), the crushing plate (404) is located inside the inner cylinder (401), and the crushing plate (404) is rotatably connected to the outer cylinder (101). The crushing plate (404) plays the role of separating fine materials and coarse materials in cooperation with the first spiral blade (402) and the second spiral blade (403). Multiple sets of screen holes (405) are opened on the outer wall of the inner cylinder (401), and the screen holes (405) play the role of connecting the inside and outside of the inner cylinder (401), so that fine slag can be separated from the inner cylinder (401).

2. The multi-stage sorting system for incinerator slag according to claim 1, characterized in that: The machine body (1) includes an outer cylinder (101), a feed inlet (102), a feed end (103), and a discharge end (104). The feed end (103) is fixedly installed at one end of the outer cylinder (101), and the feed end (103) is generally conical. The feed inlet (102) is fixedly installed at the top of the feed end (103), and the discharge end (104) is fixedly installed at the other end of the outer cylinder (101).

3. The multi-stage sorting system for incinerator slag according to claim 1, characterized in that: The drive mechanism (2) includes a drive motor (201), a drive shaft (202), a first sprocket set (203), and a rotating shaft (204). The drive motor (201) is fixedly installed on the top side of the discharge mechanism (3). The output end of the drive motor (201) is fixedly connected to the drive shaft (202). The first sprocket set (203) is fixedly installed on the outer wall of the drive shaft (202). The drive shaft (202) is movably connected to the rotating shaft (204) through the first sprocket set (203). Multiple sets of crushing plates (404) are fixedly installed on the outer wall of the rotating shaft (204).

4. The multi-stage sorting system for incinerator slag according to claim 3, characterized in that: The drive mechanism (2) further includes a gear (205) and a gear ring (206), wherein the gear (205) is fixedly installed at the end of the drive shaft (202), and the gear ring (206) is fixedly installed at one end of the outer wall of the inner cylinder (401), and the gear (205) and the gear ring (206) are engaged by teeth.

5. The multi-stage sorting system for incinerator slag according to claim 2, characterized in that: The crushing mechanism (4) further includes a fine material discharge port (406) and a coarse material discharge port (407), wherein the fine material discharge port (406) is fixedly installed at the bottom of one end of the outer cylinder (101), and the coarse material discharge port (407) is fixedly installed at the bottom of the discharge end (104). The machine body (1) is connected to the discharge mechanism (3) through the fine material discharge port (406) and the coarse material discharge port (407).

6. The multi-stage sorting system for incinerator slag according to claim 5, characterized in that: The conveying mechanism (5) includes a conveying motor (501), a second sprocket set (502), and a conveyor belt (503). The conveying motor (501) is fixedly installed on the outside of one side of the discharge mechanism (3). The output end of the conveying motor (501) is fixedly connected to the second sprocket set (502). The two sets of second sprocket sets (502) are movably connected to the conveyor belt (503), and the two sets of conveyor belts (503) are located at the bottom of the fine material discharge port (406) and the coarse material discharge port (407), respectively.

7. The multi-stage sorting system for incinerator slag according to claim 1, characterized in that: The discharge mechanism (3) includes a fixed shell (301), a first discharge port (302), a second discharge port (303) and a third discharge port (304). The fixed shell (301) is fixedly installed at the bottom of the outer cylinder (101). Two sets of first discharge ports (302) are respectively opened at both ends of the outer wall of the fixed shell (301). Two sets of second discharge ports (303) are opened at both ends inside the fixed shell (301). The third discharge port (304) is opened at the center inside the fixed shell (301).

8. The multi-stage sorting system for incinerator slag according to claim 7, characterized in that: The conveying mechanism (5) further includes a permanent magnet roller (504) and an electromagnet (505), wherein the electromagnet (505) is fixedly installed inside the conveyor belt (503) and is fixedly connected to the fixed shell (301), and the permanent magnet roller (504) is fixedly installed inside one end of the conveyor belt (503) and is rotatably connected to the fixed shell (301).

9. The multi-stage sorting system for incinerator slag according to claim 5, characterized in that: The outer wall of the conveyor belt (503) is installed at one end with an inclined surface, and the inclined surfaces of the outer walls of the two sets of conveyor belts (503) are located directly below the fine material discharge port (406) and the coarse material discharge port (407), respectively.

10. The multi-stage sorting system for incinerator slag according to claim 1, characterized in that: The bottom of the first discharge port (302), the second discharge port (303) and the third discharge port (304) are respectively equipped with conveying devices, and the conveying devices at the bottom of the first discharge port (302), the second discharge port (303) and the third discharge port (304) play the role of conveying slag of different compositions.

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