Solid waste automatic crushing, screening and packing process and system

Abstract

The present application belongs to the technical field of solid waste treatment, and particularly relates to a solid waste automatic crushing, screening and packaging process and system, which comprises a crushing mechanism, a screening mechanism, a packaging mechanism and a finished product warehouse, the packaging mechanism comprises a rack and a feeding hopper fixed by means of the rack, a hook for hooking a ton bag is arranged on the rack, the ton bag is hooked below a discharge pipe of the feeding hopper by means of the hook, a telescopic sleeve is further sleeved on the discharge pipe, an air supply channel is arranged on the side of the telescopic sleeve, the telescopic sleeve has a freedom degree of extending into and withdrawing from the ton bag along a feeding opening of the ton bag by means of a lifting telescopic cylinder fixedly connected with the rack, and an air supply pipe inflates and expands in the ton bag along the air supply channel. In the present application, the telescopic sleeve with the air supply channel is additionally arranged, the telescopic sleeve extends into the ton bag and air is supplied, the flat ton bag is inflated by air, so that the ton bag is completely expanded, and the solid waste filling amount in the ton bag is ensured.

Description

Technical Field

[0001] This invention belongs to the field of solid waste treatment technology, specifically relating to an automated crushing, screening, and packaging process and system for solid waste. Background Technology

[0002] Desulfurization gypsum is a solid waste produced by removing sulfur dioxide (SO2) from flue gas after the combustion of high-sulfur fuels such as coal or heavy oil. However, flue gas desulfurization gypsum has certain economic value, so it is usually crushed and packaged into finished products of different specifications for sale.

[0003] Currently, flue gas desulfurization gypsum is generally packaged in ton bags. A ton bag is a large packaging bag, including the bag body and handles around the bag body, with a volume of generally 1*1m. 3 In order to facilitate transportation and storage, ton bags are usually flattened when purchased. Therefore, when filling flue gas desulfurization gypsum into ton bags, it is necessary to manually unfold the ton bags. However, due to the large volume of the ton bags and the fact that the unfolding position is located under the frame of the packing equipment, it is difficult to fully unfold the ton bags manually in the limited space, which affects the filling amount of flue gas desulfurization gypsum in the ton bags. Summary of the Invention

[0004] To address the problems existing in the prior art, the present invention provides an automated crushing, screening, and packaging process and system for solid waste. By adding a telescopic sleeve with an air supply channel, the telescopic sleeve extends into the ton bag and supplies air, using the air force to inflate the flat ton bag, thereby allowing the ton bag to fully expand and ensuring the amount of solid waste loaded inside the ton bag.

[0005] The specific technical solution adopted in this invention is as follows:

[0006] An automated solid waste crushing, screening, and packaging system includes a crushing mechanism, a screening mechanism, a packaging mechanism, and a finished product warehouse. Solid waste is crushed by the crushing mechanism and then enters the feed end of the screening mechanism. The fine material discharge end of the screening mechanism is connected to the feed end of the packaging mechanism. The packaged finished product is transported to the finished product warehouse via a conveying unit. The packaging mechanism includes a frame and a feeding hopper fixed to the frame. The frame is equipped with hooks for hanging ton bags. The ton bags are hung below the discharge pipe of the feeding hopper by the hooks. A telescopic sleeve is also fitted onto the discharge pipe. An air supply channel is provided on the side of the telescopic sleeve. The telescopic sleeve has the freedom to extend into and out of the ton bag via a lifting telescopic cylinder fixed to the frame. The air supply pipe inflates and expands into the ton bag along the air supply channel.

[0007] The packaging mechanism also includes a swing assembly and two sets of semi-circular hoop rings. The openings of the two sets of hoop rings are arranged facing each other and are respectively facing the telescopic sleeve. The hoop rings have the freedom to fit into and move away from the telescopic sleeve by means of the swing assembly. A dustproof skirt is provided at the inlet of the ton bag. The dustproof skirt swings upward by means of the air outlet of the air supply pipe and covers the surface of the telescopic sleeve. The dustproof skirt covering the surface of the telescopic sleeve is clamped to the telescopic sleeve by means of the hoop rings on both sides and forms a clamping seal.

[0008] The swing assembly is symmetrically arranged in two sets. The swing assembly includes a swing telescopic cylinder and two sets of L-shaped swing rods arranged symmetrically on the left and right. The included angle of the two sets of swing rods faces each other. The top of the swing rods is hinged to the frame. The bottom of the two sets of swing rods is fixedly connected to the adjacent ends of the two sets of hoop rings. The two ends of the swing telescopic cylinder are respectively hinged to the middle of the swing rods on both sides. The two sets of swing rods swing by means of the extension and retraction of the swing telescopic cylinder and drive the hoop rings to fit against and move away from the telescopic sleeve.

[0009] The crushing mechanism includes a housing and a crushing blade shaft located inside the housing. The surface of the crushing blade shaft is provided with swing hammers. The crushing blade shaft has the freedom of rotation by means of a crushing motor. An arc-shaped baffle is fitted over the crushing blade shaft. The surface of the baffle is provided with a gap for the swing hammers to pass through. A pressing block is also provided inside the housing. The pressing block has the freedom of approaching and moving away from the baffle by means of a compression telescopic cylinder. Large-diameter solid waste inside the housing is pre-crushed by the compression of the pressing block and the baffle.

[0010] The hammer blade is hinged to the crushing blade shaft. The hammer blade has the degree of freedom to swing along the plane of the rotation direction of the crushing blade shaft. The end of the hammer blade has the degree of freedom to pass through the baffle and switch freely between the two sides of the baffle.

[0011] The screening mechanism includes a screening drum and a pair of crushing rollers located inside the screening drum. The solid waste, after being crushed by the crushing mechanism, is transported to the screening drum. The solid waste inside the screening drum is further crushed by the crushing rollers and screened along the screen holes on the surface of the screening drum to form solid waste powder.

[0012] The process specifically includes the following steps:

[0013] S1. Crushing: The solid waste is poured into the machine casing and crushed by the push block and the baffle together to form pre-crushed solid waste. The pre-crushed solid waste is then crushed once by the swing hammer to obtain the crushed solid waste material.

[0014] S2. Screening: Solid waste pulverized material enters the inlet of the screening mechanism from the outlet of the crushing mechanism for screening. Solid waste powder with qualified particle size is screened out along the fine material outlet of the screening mechanism and sent into the feeding hopper of the packaging mechanism.

[0015] S311. Packaging: Hook the handle of the ton bag onto the hook of the packaging mechanism, and attach the inlet of the ton bag to the outlet of the feeding hopper.

[0016] S312. The telescopic sleeve of the packaging mechanism extends downward and into the ton bag through the feed port. The air supply pipe delivers air along the air supply channel and inflates the ton bag. The dustproof skirt of the ton bag swings upward with the help of the wind.

[0017] S313, the air supply pipe stops supplying air, the hoop moves with the help of the swing component and swings upward and puts on the dustproof skirt of the telescopic sleeve to form a clamping seal on the telescopic sleeve, and then the discharge pipe is opened to discharge the material until the ton bag is full of solid waste powder.

[0018] S314. Close the shut-off valve of the discharge pipe, then use the swing assembly to open the hoop, and then move the telescopic sleeve upward to pull out the ton bag. The worker ties the inlet of the ton bag to complete the packaging operation. Finally, the ton bag is unloaded from the hook and the packaged ton bag is sent to the finished product warehouse using the conveyor unit located below the ton bag.

[0019] S315. Repeat steps S311-S314 to pack the next batch of solid waste.

[0020] The beneficial effects of this invention are:

[0021] 1. The packaging mechanism of the present invention is equipped with a telescopic sleeve with an air supply channel. The telescopic sleeve extends into the ton bag and supplies air. The air force blows the flat ton bag, thereby making the ton bag fully expand and ensuring the amount of solid waste filled in the ton bag.

[0022] Meanwhile, the dust-proof skirt of this invention can swing upward under the action of wind force by air supply, so as to ensure that the dust-proof skirt of the ton bag is clamped and sealed by the hoop ring, reducing the leakage of solid waste powder during the loading process, avoiding the waste of solid waste powder and improving the environmental coefficient of the workshop. At the same time, since no manual operation is required, it also avoids the health impact of workers inhaling solid waste powder.

[0023] 2. The crushing mechanism in this invention is equipped with a baffle plate, which has a hammer crushing section and a compression crushing section. The hammer blades extend out of the gap in the baffle plate in the hammer crushing section by means of the rotation of the cutter shaft. The compression crushing section is located behind the hammer crushing section along the rotation direction of the cutter shaft. Solid waste that has been hammered but not crushed is pushed to the compression crushing section. A pushing block is set on the compression crushing section. By pushing the hammer blades, large-particle solid waste that is difficult to cut by the hammer blades can be pushed to the compression crushing section for compression, avoiding the accumulation of a large amount of large-particle solid waste in the hammer crushing section, improving crushing efficiency while reducing the wear of large-particle solid waste on the hammer blades. Attached Figure Description

[0024] Figure 1 This is a process flow diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the packing mechanism when the hoop opens;

[0026] Figure 3 This is a schematic diagram of the packing mechanism when the hoop is closed;

[0027] Figure 4 This is a cross-sectional structural diagram of the packaging mechanism;

[0028] Figure 5 This is a bottom-view structural diagram of the packaging mechanism;

[0029] Figure 6 This is a schematic diagram of the cross-sectional structure of the crushing mechanism;

[0030] Figure 7 This is a side view of the crushing mechanism.

[0031] Figure 8 This is a top view schematic diagram of the crushing mechanism;

[0032] Figure 9 This is a schematic diagram of the screening mechanism;

[0033] Figure 10 This is a cross-sectional structural diagram of the screening mechanism;

[0034] In the attached diagram, 1. Frame, 2. Feed hopper, 3. Ton bag, 4. Hook, 5. Discharge pipe, 6. Telescopic sleeve, 7. Air supply channel, 8. Lifting telescopic cylinder, 9. Air supply pipe, 10. Hoop, 11. Dustproof skirt, 12. Swing telescopic cylinder, 13. Swing rod, 14. Machine housing, 15. Crushing blade shaft, 16. Hammer blade, 17. Crushing motor, 18. Baffle, 1801. Hammer crushing section, 1802. Extrusion crushing section, 19. Pressing block, 20. Screening drum, 21. Crushing roller, 22. Extrusion telescopic cylinder, 23. Fan. Detailed Implementation

[0035] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0036] Specific embodiments, such as Figure 1-10As shown, this invention provides an automated solid waste crushing, screening, and packaging system, including a crushing mechanism, a screening mechanism, a packaging mechanism, and a finished product warehouse. After being crushed by the crushing mechanism, the solid waste enters the feed end of the screening mechanism. The fine material discharge end of the screening mechanism is connected to the feed end of the packaging mechanism. The finished product packaged by the packaging mechanism is transported to the finished product warehouse by a conveying unit. The packaging mechanism includes a frame 1 and a feeding hopper 2 fixed by the frame 1. The frame 1 is provided with hooks 4 for hanging ton bags 3. The ton bags 3 are hung below the discharge pipe 5 of the feeding hopper 2 by the hooks 4. The discharge pipe 5 is also fitted with a telescopic sleeve 6. The telescopic sleeve 6 is provided with an air supply channel 7 on its side. The telescopic sleeve 6 has the freedom to extend into and out of the ton bag 3 along the feed inlet of the ton bag 3 by means of a lifting telescopic cylinder 8 fixedly connected to the frame 1. The air supply pipe 9 inflates and expands into the ton bag 3 along the air supply channel 7.

[0037] Currently, flue gas desulfurization gypsum is generally packaged in ton bags (3). A ton bag (3) is a large packaging bag, including the bag body and handles around the bag body. Its volume is generally over 1*1m3. To facilitate transportation and storage, ton bags (3) are usually purchased in a flattened state. Therefore, when filling flue gas desulfurization gypsum into ton bags (3), it is necessary to manually unfold the ton bag (3). However, due to the large volume of the ton bag (3) and the fact that the unfolding position is located below the packaging equipment frame 1, it is difficult to fully unfold the ton bag (3) manually in the limited space, which affects the filling amount of flue gas desulfurization gypsum in the ton bag (3).

[0038] Therefore, the packaging mechanism in this invention is equipped with a telescopic sleeve 6 with an air supply channel 7, such as... Figure 2-5 As shown, the telescopic sleeve 6 is inserted into the ton bag 3, and the blower 23 sends air along the air supply channel 7 of the telescopic sleeve 6 through the air supply pipe 9. The air force blows the flat ton bag 3, so that the ton bag 3 is fully expanded, ensuring the amount of solid waste filled in the ton bag 3.

[0039] like Figure 2-5 As shown, the packaging mechanism also includes a swing assembly and two sets of semi-circular hoop rings 10. The openings of the two sets of hoop rings 10 are arranged facing each other and are respectively facing the telescopic sleeve 6. The hoop rings 10 have the freedom to fit into and move away from the telescopic sleeve 6 by means of the swing assembly. A dustproof skirt 11 is provided at the inlet of the ton bag 3. The dustproof skirt 11 swings upward by means of the air outlet of the air supply pipe 9 and covers the surface of the telescopic sleeve 6. The dustproof skirt 11 covering the surface of the telescopic sleeve 6 is clamped to the telescopic sleeve 6 by means of the hoop rings 10 on both sides and forms a clamping seal.

[0040] In traditional packaging mechanisms, the dustproof skirt 11 needs to be manually lifted and stood upright before being tightened and sealed with the clamping ring 10. However, in this invention, due to the presence of the telescopic sleeve 6 and the air supply pipe 9, the dustproof skirt 11 can be lifted upward by the air supply, ensuring that the dustproof skirt 11 of the ton bag 3 is tightened and sealed by the clamping ring 10. This reduces the leakage of solid waste powder during the loading process, avoids the waste of solid waste powder, and improves the environmental coefficient of the workshop. At the same time, since no manual operation is required, it also avoids the health impact of workers inhaling solid waste powder.

[0041] like Figure 2 and Figure 5 As shown, the swing assembly is symmetrically arranged in two sets. The swing assembly includes a swing telescopic cylinder 12 and two sets of L-shaped swing rods 13 symmetrically arranged on the left and right. The included angle of the two sets of swing rods 13 is facing each other. The top of the swing rods 13 is hinged to the frame 1. The bottom of the two sets of swing rods 13 is fixedly connected to the adjacent ends of the two sets of hoop rings 10 respectively. The two ends of the swing telescopic cylinder 12 are respectively hinged to the middle of the swing rods 13 on both sides. The two sets of swing rods 13 swing by means of the extension and retraction of the swing telescopic cylinder 12 and drive the hoop rings 10 to fit and move away from the telescopic sleeve 6. In this invention, the opening and closing of the two sets of hoop rings 10 is carried out by means of the swing assembly. The extension and retraction of the swing telescopic cylinder 12 will drive the swing rods 13 to swing to both sides, so that the hoop rings 10 also swing to both sides and move away from the telescopic sleeve 6.

[0042] like Figure 6-8 As shown, the crushing mechanism includes a housing 14 and a crushing blade shaft 15 located inside the housing 14. The surface of the crushing blade shaft 15 is provided with swing hammers 16. The crushing blade shaft 15 has rotational freedom via a crushing motor 17. An arc-shaped baffle 18 is fitted over the crushing blade shaft 15. The surface of the baffle 18 is provided with slits for the swing hammers 16 to pass through. A pressing block 19 is also provided inside the housing 14. The pressing block 19 has the freedom to move closer to and further away from the baffle 18 via a compression telescopic cylinder 22. Large-diameter solid waste inside the housing 14 is pre-crushed by the compression of the pressing block 19 and the baffle 18. The baffle 18 forms a cage-like structure that covers the blade shaft by means of the slits. The baffle 18 is equipped with a hammer crushing section 1801 and a compression crushing section 1802. The hammer blade 16 extends out of the gap of the baffle 18 through the hammer crushing section 1801 by means of the rotation of the cutter shaft. The compression crushing section 1802 is located behind the hammer crushing section 1801 along the rotation direction of the cutter shaft. Solid waste that has been hammered but not crushed is pushed to the compression crushing section 1802. The push block 19 is set on the compression crushing section 1802. By pushing the hammer blade 16, large-particle solid waste that is difficult to be crushed by the hammer blade 16 can be pushed to the compression crushing section 1802 for compression, avoiding the accumulation of a large amount of large-particle solid waste in the hammer crushing section 1801, improving the crushing efficiency and reducing the wear of the hammer blade by large-particle solid waste.

[0043] like Figure 6 As shown, the swing hammer 16 is hinged to the crushing blade shaft 15. The swing hammer 16 has the degree of freedom to swing along the plane of rotation of the crushing blade shaft 15. The end of the swing hammer 16 has the degree of freedom to pass through the baffle 18 and switch freely between the two sides of the baffle 18. The dotted line in the figure represents the maximum distance rotation path of the swing hammer 16. The hinged design of the swing hammer 16 can prevent the swing hammer 16 from getting stuck. When the crushing blade shaft 15 rotates at high speed, the swing hammer 16 is perpendicular to the crushing blade shaft 15 under the action of centrifugal force. At this time, the swing hammer 16 not only crushes the small-particle solid waste in the crushing chamber, but the end of the swing hammer 16 also passes through the baffle 18 and contacts the large-particle solid waste in the hammer crushing section 1801. The force generated keeps the hammer blade 16 in a vertical position when splitting large-particle solid waste. When the large-particle solid waste is too hard and the hammer blade 16 cannot split it, the hammer blade 16 will be blocked by the large-particle solid waste. Since the hammer blade 16 is hinged, the end of the hammer blade 16 will rotate and detach from the large-particle solid waste, which will not affect the rotation of the crushing blade shaft 15 and avoid the crushing motor 17 from burning out. At the same time, the movement of the hammer blade 16 can also push the large-particle solid waste to the extrusion crushing section 1802 for extrusion.

[0044] In addition, when using the hinged hammer blade 16, if the solid waste has low hardness and is easy to cut, the pressing block 19 is not required for pressing, and the hammer blade 16 can be used alone.

[0045] like Figure 9-10 As shown, the screening mechanism includes a screening drum 20 and crushing rollers 21 located inside the screening drum 20. Solid waste, after being crushed by the crushing mechanism, is conveyed into the screening drum 20. The solid waste inside the screening drum 20 undergoes secondary crushing by the crushing rollers 21 and is screened along the screen holes on the surface of the screening drum 20 to form solid waste powder. The screen holes on the surface of the screening drum 20 are the fine material output end of the screening mechanism; the powder passing through the screen holes is solid waste powder that meets the particle size requirements for sale.

[0046] like Figure 1 As shown, the automated solid waste crushing, screening, and packaging process includes the following steps:

[0047] S1. Crushing: The solid waste is poured into the machine casing 14 and the extrusion cylinder 22 is activated. The push block 19 and the baffle 18 together crush the solid waste to form pre-crushed solid waste. The pre-crushed solid waste is then crushed once by the swing hammer 16 to obtain the crushed solid waste material.

[0048] S2, Screening: Solid waste pulverized material enters the inlet of the screening mechanism from the outlet of the crushing mechanism for screening. Solid waste powder with qualified particle size is screened out along the fine material outlet of the screening mechanism and sent into the feeding hopper 2 of the packaging mechanism.

[0049] S311. Packaging: Hang the handle of the ton bag 3 on the hook 4 of the packaging mechanism, and attach the inlet of the ton bag 3 to the outlet of the feeding hopper 2.

[0050] S312, The telescopic sleeve 6 of the packaging mechanism extends downward and enters the ton bag 3 through the inlet of the ton bag 3. The air supply pipe 9 supplies air along the air supply channel 7 and inflates the ton bag 3. The dustproof skirt 11 of the ton bag 3 swings upward with the help of the wind.

[0051] S313, the air supply pipe 9 stops supplying air, the hoop 10 moves with the help of the swing component and swings upward and puts on the dustproof skirt 11 of the telescopic sleeve 6 to form a clamping seal on the telescopic sleeve 6, and then the discharge pipe 5 is opened to discharge the material until the ton bag 3 is full of solid waste powder.

[0052] S314. Close the shut-off valve of the discharge pipe 5, then use the swing assembly to open the hoop 10, then move the telescopic sleeve 6 up to pull out the ton bag 3, the worker ties the inlet of the ton bag 3 to complete the packaging operation, and finally unload the ton bag 3 from the hook 4, and use the conveyor unit located below the ton bag 3 to send the packaged ton bag 3 away to the finished product warehouse.

[0053] S315. Repeat steps S311-S314 to pack the next batch of solid waste.

[0054] The discharge pipe 5 in this invention is equipped with a shut-off valve, which can control the opening and closing of the discharge pipe 5. The conveying unit can be a conveyor belt or a transport vehicle.

[0055] This invention, through its system and process steps, not only automates the crushing, screening, and packaging of solid waste, but also increases the filling capacity of the packaging and reduces the waste of solid waste powder during the packaging process, thereby improving processing efficiency.

Claims

1. An automated solid waste crushing, screening, and packaging system, comprising a crushing mechanism, a screening mechanism, a packaging mechanism, and a finished product warehouse, wherein solid waste is crushed by the crushing mechanism and enters the feed end of the screening mechanism, the fine material discharge end of the screening mechanism is connected to the feed end of the packaging mechanism, and the finished product packaged by the packaging mechanism is transported to the finished product warehouse by a conveying unit, wherein the packaging mechanism comprises a frame (1) and a feeding hopper (2) fixed by the frame (1), wherein the frame (1) is provided with hooks (4) for hanging ton bags (3), and the ton bags (3) are hung below the discharge pipe (5) of the feeding hopper (2) by means of the hooks (4), wherein the system is characterized in that, The discharge pipe (5) is also fitted with a telescopic sleeve (6), and the telescopic sleeve (6) is provided with an air supply channel (7) on its side. The telescopic sleeve (6) has the freedom to extend into and out of the ton bag (3) along the feed inlet of the ton bag (3) by means of the lifting telescopic cylinder (8) which is fixedly connected to the frame (1). The air supply pipe (9) inflates and expands into the ton bag (3) along the air supply channel (7). The crushing mechanism includes a housing (14) and a crushing blade shaft (15) located inside the housing (14). The surface of the crushing blade shaft (15) is provided with a hammer blade (16). The crushing blade shaft (15) has the freedom of rotation by means of a crushing motor (17). An arc-shaped baffle (18) is fitted over the crushing blade shaft (15). The surface of the baffle (18) is provided with a gap for the hammer blade (16) to pass through. A pressing block (19) is also provided inside the housing (14). The pressing block (19) has the freedom to move closer to and away from the baffle (18) by means of a compression telescopic cylinder (22). Large-diameter solid waste inside the housing (14) is pre-crushed by the compression of the pressing block (19) and the baffle (18). The baffle (18) forms a cage-like structure that covers the cutter shaft by means of the gap. The baffle (18) is provided with a hammer crushing section (1801) and a compression crushing section (1802). The hammer blade (16) extends out of the gap of the baffle (18) in the hammer crushing section (1801) by means of the rotation of the cutter shaft. The compression crushing section (1802) is located on the rear side of the hammer crushing section (1801) along the rotation direction of the cutter shaft. Solid waste that has been hammered but not crushed is pushed to the compression crushing section (1802). The push block (19) is set on the compression crushing section (1802). By pushing the hammer blade (16), large-particle solid waste that is difficult to be cut by the hammer blade (16) can be pushed to the compression crushing section (1802) for compression, avoiding the accumulation of a large amount of large-particle solid waste in the hammer crushing section (1801), improving the crushing efficiency while reducing the wear of large-particle solid waste on the hammer blade. The hammer blade (16) is hinged to the crushing blade shaft (15). The hammer blade (16) has the freedom to swing along the plane of the rotation direction of the crushing blade shaft (15). The end of the hammer blade (16) has the freedom to pass through the baffle (18) and switch freely between the two sides of the baffle (18).

2. The automated solid waste crushing, screening, and packaging system according to claim 1, characterized in that, The packaging mechanism also includes a swing assembly and two sets of semi-circular hoop rings (10). The openings of the two sets of hoop rings (10) are arranged facing each other and respectively facing the telescopic sleeve (6). The hoop rings (10) have the freedom to fit into and move away from the telescopic sleeve (6) by means of the swing assembly. A dustproof skirt (11) is provided at the inlet of the ton bag (3). The dustproof skirt (11) swings upward by means of the air outlet of the air supply pipe (9) and covers the surface of the telescopic sleeve (6). The dustproof skirt (11) covering the surface of the telescopic sleeve (6) is clamped to the telescopic sleeve (6) by means of the hoop rings (10) on both sides and forms a clamping seal.

3. The automated solid waste crushing, screening, and packaging system according to claim 2, characterized in that, The swing assembly is symmetrically arranged in two sets. The swing assembly includes a swing telescopic cylinder (12) and two sets of L-shaped swing rods (13) arranged symmetrically on the left and right. The included angle of the two sets of swing rods (13) is facing each other. The top of the swing rod (13) is hinged to the frame (1). The bottom of the two sets of swing rods (13) is fixedly connected to the adjacent ends of the two sets of hoop rings (10). The two ends of the swing telescopic cylinder (12) are hinged to the middle of the swing rods (13) on both sides. The two sets of swing rods (13) swing by means of the extension and retraction of the swing telescopic cylinder (12) and drive the hoop ring (10) to fit against and move away from the telescopic sleeve (6).

4. The automated solid waste crushing, screening, and packaging system according to claim 1, characterized in that, The screening mechanism includes a screening drum (20) and a crushing roller (21) located inside the screening drum (20). The solid waste crushed by the crushing mechanism is transported to the screening drum (20). The solid waste inside the screening drum (20) is crushed a second time by the crushing roller (21) and screened along the screen holes on the surface of the screening drum (20) to form solid waste powder.

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