A magnetic separation device for waste treatment

Abstract

The present invention provides a magnetic separation device for waste treatment, which belongs to the technical field of solid waste treatment, and includes a frame, a magnetic separation cylinder, a feed plate, a material through hole, a material retaining ring plate, a feed hopper and a feed port; a receiving hopper is also swingably arranged below the feed port in the front-back direction, a discharge channel is formed between the front side panel of the receiving hopper and the magnetic separation cylinder, and a connecting plate is also slidably arranged in the left-right direction on the left and right sides of the receiving hopper close to the discharge channel, and a plurality of material-moving claws compatible with the magnetic separation cylinder are vertically arranged on the connecting plate, and a driving module for driving the connecting plate to perform reciprocating linear motion is arranged on the frame. The magnetic separation device for waste treatment according to the present invention can not only make the solid waste thinly distributed on the magnetic separation cylinder, but also extend the sorting and processing path of the solid waste, thereby realizing sufficient magnetic separation and processing of the solid waste.

Description

Technical Field

[0001] The invention belongs to the technical field of solid waste treatment, and in particular relates to a magnetic separation device for waste treatment. Background Art

[0002] Solid waste, referred to as solid waste, refers to solid, semi-solid and gaseous items in containers that have lost their original value or have not lost their value but have been discarded or abandoned in production, life and other activities. These wastes are of various types and come from a wide range of sources, including industrial solid waste, domestic garbage, agricultural waste, etc. Many solid wastes are actually recyclable resources. Through classified collection, sorting, processing and other treatment processes, useful components in the waste can be extracted and reused as raw materials or energy. This can not only reduce the demand for new resources, but also reduce production costs and improve economic benefits. Magnetic separation is a material separation method that uses the magnetic differences of various substances in solid waste to separate magnetic substances (such as iron, steel, nickel, etc.) from the mixture through magnetic and mechanical forces. This process not only helps to recover valuable metal resources, but also reduces metal pollution in subsequent treatment processes and improves resource recovery and utilization rates.

[0003] Existing magnetic separation devices for waste treatment usually put solid materials directly onto the rotating magnetic separation drum for sorting. During the sorting process, the materials will slide directly on the magnetic separation drum, causing the magnetic materials to fall to the non-magnetic material sorting side together with the non-magnetic materials, resulting in incomplete sorting. In addition, because the materials are prone to uneven falling on the magnetic separation drum, the magnetic materials far away from the magnetic system are prone to fall to the non-magnetic material sorting side together with the non-magnetic materials, resulting in mis-sorting and further unsatisfactory sorting effect.

[0004] For example, the patent document with announcement number CN105797845B discloses a dry magnetic roller and a magnetic separator. In the technical solution of this patent, the material is placed on the outside of a roller with a magnetic system inside, so that the non-magnetic material falls first under the action of gravity, and the magnetic material falls later due to the adsorption of the magnetic system, thereby realizing the sorting of magnetic and non-magnetic materials. Because the material is easy to accumulate thickly in the top area of ​​the roller, the magnetic material far away from the magnetic system cannot be fully adsorbed, so it is easy to cause some magnetic materials to be engulfed by the non-magnetic material and cannot be separated. Because the material is easy to slip on the roller, the sorting path of the material is short, which affects the thoroughness of the sorting, and cannot fully meet people's usage needs. Summary of the invention

[0005] In view of this, the present invention provides a magnetic separation device for waste treatment to solve the technical problems that solid waste is easy to slip off the magnetic separation drum, resulting in a shorter material sorting path, thereby affecting the material sorting effect, and solid waste is easy to accumulate thickly on the magnetic separation drum, resulting in an inability to fully sort and process the material.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a magnetic separation device for waste treatment, comprising a frame, a magnetic separation cylinder is rotatably arranged on the frame, a material discharge plate adapted to the axial side end of the magnetic separation cylinder is arranged on the frame, the material discharge plate is located below the magnetic separation cylinder, a material through hole is left between the material discharge plate and the magnetic separation cylinder, both ends of the magnetic separation cylinder are provided with a material retaining ring plate located outside the material discharge plate, and a material discharge hopper is also arranged on the top of the frame;

[0007] A material discharge port is vertically arranged at the bottom of the material discharge hopper, which is offset backward from the center position of the top of the magnetic separation cylinder. A material receiving hopper is also swingably arranged along the front-to-back direction below the material discharge port. A material discharge channel is formed between the front side panel of the material receiving hopper and the magnetic separation cylinder. Connecting plates are also slidably arranged along the left-right direction on the left and right side ends of the material receiving hopper close to the material discharge channel. A plurality of material removing claws compatible with the magnetic separation cylinder are vertically arranged on the connecting plate. A driving module for driving the connecting plate to perform reciprocating linear motion is arranged on the frame.

[0008] By adopting the above technical scheme, using a receiving hopper that swings along and against the rotation direction of the magnetic separation drum, the receiving hopper can be used to stir and dilute the solid waste that falls on the magnetic separation drum, so that the magnetic material in the solid waste can be fully adsorbed by the magnetic separation drum, thereby improving the thoroughness of the separation of the magnetic material in the solid waste; the receiving hopper can also buffer and block the sliding process of the solid waste that falls on the magnetic separation drum, avoiding the solid waste from sliding directly after falling on the magnetic separation drum, thereby extending the sorting path of the solid waste on the magnetic separation drum, so as to more fully magnetically separate the solid waste.

[0009] As a further improvement, a baffle is provided on the side of the receiving hopper away from the discharge port, the baffle is vertically slidably connected to the side end of the receiving hopper, the vertical parts of multiple material removing claws are vertically slidably connected to the connecting plate, and the vertical parts of multiple material removing claws are slidably connected to the baffle along the left and right directions.

[0010] By adopting the above technical scheme, the baffle plate can be vertically slidably adjusted relative to the side end of the receiving hopper, so as to change the height of the discharge channel, thereby meeting the discharge requirements of solid waste of various sizes. While the baffle plate can be vertically slidably adjusted relative to the side end of the receiving hopper, multiple material-push-claws can also be vertically slidably adjusted relative to the connecting plate, so that the material-push-claws can continue to effectively pry the solid waste, and the position of the connecting plate relative to the magnetic separation cylinder will not change, so that the connecting plate can continue to slide relative to the receiving hopper, drive the material-push-claws to slide, and pry the solid waste.

[0011] As a further improvement, the left and right side ends of the receiving hopper are respectively provided with connecting slide grooves, the left and right side ends of the baffle are respectively provided with connecting slide plates slidably connected to the corresponding connecting slide grooves, and the left and right side ends of the receiving hopper are also respectively provided with limit plates located on the outside of the baffle, and the two limit plates are respectively screwed with limit screws that can rest on the outer wall of the baffle to limit the baffle.

[0012] By adopting the above technical solution, the sliding adjustment of the baffle relative to the receiving hopper can be completed by simply sliding the connecting slide relative to the connecting slide groove and allowing the limit screw to pass through the side wall of the limit plate and rest against the outer wall of the baffle.

[0013] As a further improvement, a push plate is commonly provided at the top end of the vertical parts of the plurality of material-moving claws, a transverse hole is provided on the push plate along the axial direction of the magnetic separation cylinder, and a fixing block slidably connected to the transverse hole is provided on the inner side wall of the baffle.

[0014] By adopting the above technical solution, through the cooperation of the push plate, the transverse hole and the fixed block, the plurality of material-moving claws and the connecting plate can slide relative to the baffle plate.

[0015] As a further improvement, the driving module includes rollers rotatably arranged on the left and right sides of the connecting plate, one side end of the frame is provided with a limit block 1 with an arc-shaped convex structure adapted to the corresponding roller, and the other side end of the frame is provided with a limit block 2 with an arc-shaped concave structure adapted to the corresponding roller.

[0016] By adopting the above technical scheme, when the receiving hopper drives the connecting plate and multiple material-discharging claws to swing, the rollers at both ends of the connecting plate contact the limit block 1 and the limit block 2 respectively, so that the connecting plate drives the push plate to make the material-discharging claws move back and forth, so that the multiple material-discharging claws can not only swing in the front and rear directions, but also reciprocate in the left and right directions, so that the multiple material-discharging claws can not only perform a swinging movement to displace and stir the solid waste, but also perform a linear reciprocating movement to displace and stir the solid waste, so as to better disperse the solid waste and allow the solid waste to pass through the discharge channel more smoothly and leave the receiving hopper.

[0017] As a further improvement, a material discharge adjustment module for controlling the discharge process of the material discharge port is also provided on the frame. The material discharge adjustment module includes a fixed plate provided at the side end of the frame, a telescopic push rod is provided on the inner side wall of the fixed plate, a blocking plate plugged and fixed with the material discharge port is provided on the output shaft of the telescopic push rod, and a through hole adapted to the blocking plate is provided at the side end of the material discharge port.

[0018] By adopting the above technical solution, the discharge port can be opened and closed in the process that the telescopic push rod drives the blocking plate to move back and forth relative to the discharge hopper.

[0019] As a further improvement, a first mounting plate is arranged at the side end of the frame along the left and right directions, and a discharge plate is arranged on the first mounting plate; a discharge plate is also arranged at the bottom of the discharge plate along the axial direction of the magnetic separation cylinder; a second mounting plate is also arranged on the side of the frame relative to the discharge plate, and a discharge plate is also arranged on the second mounting plate and is located at the axial side end of the magnetic separation cylinder, and the discharge plate is located between the two retaining ring plates.

[0020] By adopting the above technical scheme, the dropping process of magnetic materials can be guided by the dropping plate, and the dropping process of non-magnetic materials passing through the gap between the side of the receiving hopper away from the baffle and the magnetic separation cylinder can be guided by the discharge plate to avoid mixing with the magnetic materials.

[0021] As a further improvement, a motor 1 is provided at one side end of the frame, a rocker arm is provided on the output shaft of the motor 1, a rocker arm is rotatably provided at the free end of the rocker arm, a fan-shaped side plate is rotatably provided at the free end of the rocker arm, a connecting rod is provided between the upper end of the side plate and the upper end of the hopper; a connecting frame is provided at one side end of the frame, a rotating shaft rotatably connected to the connecting frame is provided on the side plate, the rotating shaft rotates coaxially with the magnetic separation drum, an arc track is provided at the other side end of the frame, and a cross bar rotatably connected to the arc track is provided at the other side end of the hopper.

[0022] As a further improvement, a reducer is provided at the other side end of the frame, and a second motor close to the reducer is also provided on the frame. A driving pulley is provided on the output shaft of the second motor, and a driven pulley is provided on the input shaft of the reducer. A transmission belt is provided between the driving pulley and the driven pulley. A connecting shaft is provided through the left and right side ends of the magnetic separation cylinder, one end of the connecting shaft is connected to the output shaft of the reducer, and a bearing seat connected to the other end of the connecting shaft is also provided on the frame.

[0023] As a further improvement, a support bearing whose inner ring is connected to the output shaft of motor 1 is also provided at the side end of the frame.

[0024] In summary, compared with the prior art, the present invention includes at least one of the following beneficial technical effects:

[0025] 1. The pushing module can make the connecting plate perform reciprocating linear motion in the left and right directions relative to the receiving hopper, thereby driving the multiple material-dispensing claws to slide, and then the solid waste is moved and stirred along the axial direction of the magnetic separation drum, so that the magnetic material and the non-magnetic material are fully dispersed, so that the magnetic separation drum can more fully adsorb the magnetic material, and then more fully separate the magnetic material from the non-magnetic material, and can make the solid waste smoothly pass through the discharge channel and leave the receiving hopper by stirring the solid waste, avoiding blockage during the discharge process; the receiving hopper can drive the connecting plate and the multiple material-dispensing claws to swing, so as to stir and scatter the solid waste in a forward and reverse manner, so that the magnetic material and the non-magnetic material are fully dispersed, so that the magnetic separation drum can more fully adsorb the magnetic material, and then more fully separate the magnetic material from the non-magnetic material.

[0026] 2. The material discharge adjustment module can conveniently control the process of starting and stopping the material discharge from the material discharge hopper to the magnetic separation drum to add solid waste to be screened and processed.

[0027] 3. The output shaft of the motor 1 can be auxiliary supported by the support bearing, so that the motor 1 can run more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0030] Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ;

[0031] Figure 3 It is a structural schematic diagram of the material feeding and regulating module of the present invention;

[0032] Figure 4 It is a schematic structural diagram of the connecting plate, the material-moving claws and the baffle plate of the present invention;

[0033] Figure 5 It is a structural schematic diagram of the receiving hopper, baffle and connecting chute of the present invention;

[0034] Figure 6 It is a structural schematic diagram of the magnetic separation cylinder, the limit block 1 and the arc track of the present invention;

[0035] Figure 7 It is a schematic diagram of the structure of the second limit block, the arc track and the connecting shaft of the present invention;

[0036] Figure 8It is a schematic structural diagram of the material-moving claw, the push plate and the transverse hole of the present invention;

[0037] Fig. 9 It is a schematic structural diagram of the baffle, connecting slide plate and fixing block of the present invention.

[0038] In the figure: 1, frame; 2, magnetic separator; 3, unloading plate; 4, baffle plate; 5, unloading hopper; 6, unloading port; 7, receiving hopper; 8, connecting plate; 9, material claw; 10, first mounting plate; 11, unloading plate; 12, second mounting plate; 13, unloading plate; 21, baffle plate; 22, connecting slide; 23, connecting slide plate; 24, limit plate; 25, limit screw; 26, push plate; 27, transverse hole; 28, fixing block; 31, roller; 32, limit Position block one; 33, limit block two; 41, fixed plate; 42, telescopic push rod; 43, blocking plate; 51, motor one; 52, rocker arm; 53, rocker; 54, side plate; 55, connecting rod; 56, connecting frame; 57, rotating shaft; 58, arc track; 59, cross bar; 510, supporting bearing; 61, reducer; 62, motor two; 63, driving pulley; 64, driven pulley; 65, transmission belt; 66, connecting shaft; 67, bearing seat. DETAILED DESCRIPTION

[0039] In order to better understand the present invention, the content of the present invention is further clearly set forth in conjunction with the embodiments below, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are provided in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0040] Reference Figure 1 The present embodiment provides a magnetic separation device for waste treatment, including a frame 1, a magnetic separation cylinder 2, a material discharge plate 3, a material retaining ring plate 4, a material discharge hopper 5 and a material receiving hopper 7.

[0041] Among them, refer to Figure 1 , the magnetic separation cylinder 2 is rotatably arranged on the frame 1 along the left-right direction; the unloading plate 3 is arranged on the frame 1 along the left-right direction, and corresponds to the axial side end of the magnetic separation cylinder 2, the unloading plate 3 is also located below the magnetic separation cylinder 2, and a material through hole is formed between the unloading plate 3 and the magnetic separation cylinder 2, and the retaining ring plate 4 is arranged at both ends of the magnetic separation cylinder 2 and located on the outside of the unloading plate 3;

[0042] Reference Figure 1 and Figure 4, the lower hopper 5 is arranged at the top of the frame 1, and the material discharge direction of the lower hopper 5 is inclined against the rotation direction of the magnetic separation cylinder 2. The bottom of the lower hopper 5 is vertically provided with a material discharge port 6 which deviates backward from the center position of the top of the magnetic separation cylinder 2. The receiving hopper 7 is arranged between the lower part of the material discharge port 6 and the upper part of the magnetic separation cylinder 2, and the receiving hopper 7 swings coaxially with the magnetic separation cylinder 2 in the front-to-back direction. A discharge channel is formed between the front side panel of the receiving hopper 7 and the magnetic separation cylinder 2. The left and right side ends of the receiving hopper 7 are close to the discharge channel. The side is also provided with a connecting plate 8 sliding along the left and right directions. The connecting plate 8 is vertically provided with a plurality of material-discharging claws 9 adapted to the magnetic separation cylinder 2. The frame 1 is provided with a driving module for driving the connecting plate 8 to perform reciprocating linear motion. The side end of the frame 1 is provided with a first mounting plate 10 along the left and right directions, and the lowering plate 3 is provided on the first mounting plate 10.

[0043] The user can first make the receiving hopper 7 run against the rotation direction of the magnetic separation cylinder 2 to a position corresponding to the lowering hopper 5. The hopper will cooperate with the magnetic separation cylinder 2 to form a receiving cavity with a bottom inclined against the rotation direction of the magnetic separation cylinder 2. Then the lowering port 6 can be opened to add a certain amount of solid waste into the chamber formed by the receiving hopper and the magnetic separation cylinder 2, and then the lowering port 6 can be closed again.

[0044] After that, the magnetic separation cylinder 2 can be rotated, so that the receiving hopper 7 first rotates along the rotation direction of the magnetic separation cylinder 2, and then rotates against the rotation direction of the magnetic separation cylinder 2. During the rotation of the magnetic separation cylinder 2 and the receiving hopper 7, the receiving hopper 7 will push the solid waste to rotate relative to the magnetic separation cylinder 2, so that the solid waste is diluted and stirred on the magnetic separation cylinder 2, so that the magnetic material and the non-magnetic material are fully dispersed, so that the magnetic material is fully adsorbed by the magnetic separation cylinder 2, and the non-magnetic material will not be adsorbed by the magnetic separation cylinder 2, and the magnetic material and the non-magnetic material After the materials pass through the uphill sorting path of the magnetic separation cylinder 2 and enter the downhill path on the magnetic separation cylinder 2, the non-magnetic materials will slide relative to the magnetic separation cylinder 2, and fall onto the discharge plate 3 after passing through the material passing hole, and then slide to the non-magnetic material collection side under the guidance of the discharge plate 3. The magnetic materials will continue to pass through the discharge channel after passing through the material passing hole due to the adsorption effect of the magnetic separation cylinder 2, and after running to the bottom of the discharge plate 3, they will leave the magnetic separation cylinder 2 due to the loss of the adsorption effect of the magnetic separation cylinder 2 and fall to the magnetic material collection side, thereby realizing the separation of magnetic materials and non-magnetic materials. A magnetic system is arranged inside the magnetic separation cylinder 2. The magnetic system can be a fixed cylindrical shape in which only part of the circumference is magnetic and part of the circumference is not magnetic, or it can be a sector-shaped shape in which part of the circumference is magnetic. The adsorption range of the magnetic system inside the magnetic separation cylinder 2 is sector-shaped. One side boundary of the adsorption range of the internal magnetic system of the magnetic separation cylinder 2 for magnetic materials is: when the receiving hopper 7 is reset to a position compatible with the discharge port 6, the side wall of the magnetic separation cylinder 2 corresponds to the position of the rear side panel of the receiving hopper 7; the other side boundary of the adsorption range of the internal magnetic system of the magnetic separation cylinder 2 for magnetic materials is: the side wall of the magnetic separation cylinder 2 corresponds to the position of the discharge plate 3.

[0045] After the receiving hopper 7 swings along the rotation direction of the magnetic separation drum 2 for a certain angle, it will swing back and forth in the opposite direction of the rotation of the magnetic separation drum 2. During the resetting swing, the magnetic separation drum 2 will continue to thin and break up the solid waste, and with the cooperation of the magnetic separation drum 2, continue to sort the solid waste.

[0046] Before the receiving hopper 7 is reset to a position compatible with the discharge port 6, the sorting and processing of the solid waste added last time will be completed. When the receiving hopper 7 is reset to a position compatible with the discharge port 6, solid waste can be added to the receiving hopper 7 again through the discharge hopper 5, until the receiving hopper 7 can no longer continue to receive the solid waste in the discharge hopper 5, and the discharge is ended. After that, it is only necessary to repeat the swinging operation of the receiving hopper 7 along the running direction of the magnetic separation drum 2, and reset the swing after swinging for a certain angle, and start the discharge process again. Then, the solid waste can be sorted and processed.

[0047] Because the bottom of the receiving chamber is inclined against the rotation direction of the magnetic separation drum 2 and because it is received and blocked by the receiving hopper 7, the solid waste will not slide directly on the magnetic separation drum 2, so the sorting path of the solid waste being sorted and processed by the magnetic separation drum 2 can be extended; and because the receiving hopper 7 swings along and against the rotation direction of the magnetic separation drum 2, the solid waste will be moved and diluted relative to the magnetic separation drum 2, and the solid waste will be scattered and dispersed, so the magnetic material and the non-magnetic material can be fully separated, so that the magnetic separation drum 2 can fully perform magnetic separation on the solid waste.

[0048] When the receiving hopper 7 swings along and against the rotation direction of the magnetic separation drum 2, it will drive the connecting plate 8 and multiple material-discharging claws 9 to swing relative to the magnetic separation drum 2, so as to stir and scatter the solid waste, so that the magnetic waste and non-magnetic materials are fully separated for sorting; when the connecting plate 8 and multiple material-discharging claws 9 swing driven by the receiving hopper 7, they will also slide in the left and right directions relative to the lower hopper 5 under the drive of the pushing module, so as to stir and scatter the solid waste in the left and right directions, so that the magnetic waste and non-magnetic materials are fully separated for sorting; and the stirring action of the material-discharging claws 9 can make the solid waste pass through the material hole more smoothly for discharge, avoiding blockage.

[0049] Reference Figure 4 and Figure 5 A baffle 21 is provided on the side of the receiving hopper 7 away from the material discharge port 6. The baffle 21 is vertically slidably connected to the side end of the receiving hopper 7. The vertical parts of the plurality of material-discharging claws 9 are vertically slidably connected to the connecting plate 8. The vertical parts of the plurality of material-discharging claws 9 are slidably connected to the baffle 21 along the left-right direction. The left and right side ends of the baffle 21 are respectively vertically provided with connecting slides 23. The left and right side ends of the receiving hopper 7 are respectively vertically provided with connecting chutes 22 slidably connected to the corresponding connecting slides 23. The left and right side ends of the receiving hopper 7 are also respectively provided with limit plates 24 located outside the baffle 21. The two limit plates 24 are respectively screwed with limit screws 25 that can abut against the outer wall of the baffle 21 to limit the baffle 21.

[0050] Reference Figure 4 , Figure 8 and Fig. 9 A push plate 26 is commonly provided at the top of the vertical parts of the plurality of material-moving claws 9 , a transverse hole 27 is provided on the push plate 26 along the axial direction of the magnetic separation cylinder 2 , and a fixing block 28 slidably connected to the transverse hole 27 is provided on the inner side wall of the baffle 21 .

[0051] It is only necessary to loosen the limit screw 25 first to release the fixation on the connection between the limit plate 24 and the baffle 21, so that the connecting slide plate 23 can be adjusted vertically to a certain displacement relative to the connecting slide groove 22, and the baffle 21 can be adjusted vertically to a certain displacement relative to the receiving hopper 7. Then, the limit screw 25 can be passed through the side wall of the limit plate 24 and abutted against the outer wall of the baffle 21 again, so that the limit plate 24 and the baffle 21 can be fixed together again and the baffle 21 can be fixed together again with the side end of the receiving hopper 7; in the process of vertically sliding adjustment of the baffle 21 relative to the receiving hopper 7, the baffle 21 will drive the push plate 26 to slide vertically synchronously through the fixing block 28, so that multiple material removing claws 9 and the connecting plate 8 can be slidably adjusted relative to the baffle 21.

[0052] The baffle 21 is adjusted to slide vertically relative to the side end of the receiving hopper 7, so as to change the height of the discharge channel, thereby meeting the needs of sorting and discharging solid waste of various sizes. After the multiple material-push-claws 9 are synchronously adjusted to slide vertically relative to the connecting plate 8, the material-push-claws 9 can continue to effectively move the solid waste, and the position of the connecting plate 8 relative to the magnetic separation cylinder 2 will not change, so that the connecting plate 8 can continue to slide relative to the receiving hopper 7, and drive the material-push-claws 9 to slide, so as to move the solid waste.

[0053] Reference Figure 1 and Figure 2 The frame 1 is also provided with a material discharging regulating module for controlling the discharging process of the material discharging port 6. The frame 1 is provided with a first driving mechanism for swinging the docking hopper 7 and a second driving mechanism for rotating the magnetic separation drum 2.

[0054] Reference Figure 1 and Figure 3 The material discharge adjustment module includes a fixed plate 41 arranged at the side end of the frame 1, a telescopic push rod 42 is arranged on the inner side wall of the fixed plate 41, a blocking plate 43 plugged and fixed with the material discharge port 6 is arranged on the output shaft of the telescopic push rod 42, and a through hole adapted to the blocking plate 43 is arranged at the side end of the material discharge port 6. The blocking plate 43 passes through the through hole and contacts the inner side wall of the material discharge port 6 away from the through hole, so as to block the material discharge port 6. The telescopic push rod 42 is a hydraulic cylinder. In another embodiment, the material discharge adjustment module can also be a control valve arranged at the material discharge port 6, which will not be described here.

[0055] By simply extending the output shaft of the telescopic push rod 42 by a certain length, the end of the blocking plate 43 can be made to come into contact with the inner wall of the material discharge port 6 away from the through hole, thereby blocking the material discharge port 6 and thus suspending material discharge; by simply shortening the output shaft of the telescopic push rod 42 by a certain length, a material discharge gap can be created between the blocking plate 43 and the inner wall of the material discharge port 6 away from the through hole, thereby opening the material discharge port 6 and thus starting material discharge.

[0056] Reference Figure 2 The first driving mechanism includes a motor 51, a rocker arm 52, a rocker rod 53, a side plate 54, and a connecting rod 55. The side plate 54 is fan-shaped. The motor 51 is arranged at a side end of the frame 1. One end of the rocker arm 52 is fixedly connected to the output shaft of the motor 51, the other end of the rocker arm 52 is rotatably connected to one end of the rocker rod 53, and the other end of the rocker rod 53 is rotatably connected to the side plate 54. The two ends of the connecting rod 55 are respectively connected to the upper end of the side plate 54 and the upper end of the receiving hopper 7; a connecting frame 56 is also provided at one side end of the frame 1, and a rotating shaft 57 connected to the side end is rotatably provided on the connecting frame 56, and the rotating shaft 57 rotates coaxially with the magnetic separation drum 2. An arc track 58 is provided at the other side end of the frame 1, and a cross bar 59 whose inner end is connected to the side end of the receiving hopper 7 is rotatably provided in the arc track 58.

[0057] Reference Figure 1 The second driving mechanism includes a reducer 61, a second motor 62, a driving pulley 63, a driven pulley 64 and a transmission belt 65. The reducer 61 is arranged at the other side end of the frame 1, the second motor 62 is arranged on the frame 1 and is arranged close to the reducer 61, the driving pulley 63 is arranged on the output shaft of the second motor 62, the driven pulley 64 is arranged on the input shaft of the reducer 61, and the transmission belt 65 is wound around the driving pulley 63 and the driven pulley 64 together. A connecting shaft 66 is also penetrated through the left and right side ends of the magnetic separation cylinder 2, one end of the connecting shaft 66 is connected to the output shaft of the reducer 61, and a bearing seat 67 connected to the other end of the connecting shaft 66 is also arranged on the frame 1.

[0058] The user only needs to start the motor 51 to make the rocker arm 52 rotate, and the rocker arm 52 will drive the rocker rod 53 to rotate. Because one end of the hopper 7 can swing through the cooperation of the side plate 54, the rotating shaft 57, and the connecting frame 56, and the other end of the hopper 7 can swing through the cooperation of the cross bar 59 and the arc track 58, the hopper 7 can swing in the same direction and in the opposite direction relative to the magnetic separation cylinder 2.

[0059] The user only needs to start the second motor 62 to rotate the reducer 61 through the driving pulley 63, the driven pulley 64 and the transmission belt 65, thereby rotating the connecting shaft 66 and the magnetic separation drum 2.

[0060] Reference Figure 4 , Figure 5 , Figure 6 and Figure 7 The driving module includes two rollers 31, a limit block 1 32 and a limit block 2 33. The limit block 1 32 is an arc-shaped convex structure, and the limit block 2 33 is an arc-shaped concave structure. The two rollers 31 are rotatably arranged on the left and right side ends of the connecting plate 8, respectively. The limit block 1 32 is arranged on one side end of the frame 1, and the limit block 2 33 is arranged on the side end of the arc track 58. One roller 31 is adapted to the limit block 1 32, and the other roller 31 is adapted to the limit block 1 32.

[0061] When the receiving hopper 7 drives the connecting plate 8 and the plurality of material-discharging claws 9 to swing, the limit block 1 32 applies a pushing action to the corresponding roller 31, while the limit block 2 33 applies a supporting and guiding action to the corresponding roller 31. When the limit block 1 32 applies a supporting and guiding action to the corresponding roller 31, the limit block 2 33 applies a pushing action to the corresponding roller 31, so that the plurality of material-discharging claws 9 can swing in the left and right directions while also performing a reciprocating swing in the left and right directions, so that the plurality of material-discharging claws 9 can perform a linear reciprocating swing and stir the solid waste while performing a swinging motion to disperse the solid waste, so as to enable the solid waste to pass through the discharge channel more smoothly and leave the receiving hopper 7 for discharge and sorting.

[0062] In another embodiment, the driving module includes a U-shaped mounting frame arranged on one side of the receiving hopper 7 and sleeved on the outside of the connecting plate 8, and an electric telescopic rod corresponding to the connecting plate 8 is arranged on the mounting frame, and the output shaft of the electric telescopic rod is connected to the outer end of the connecting plate 8. The connecting plate 8 can drive the multiple material-pickling claws 9 to move back and forth in the left and right directions through the telescopic adjustment of the output shaft of the electric telescopic rod, so as to stir and pry the solid waste, so that the solid waste can be sorted more fully and discharged more smoothly; after the multiple material-pickling claws 9 are adjusted to slide vertically relative to the connecting plate 8, the connecting plate 8 and the multiple material-pickling claws 9 can still be effectively driven to swing in the left and right directions through the telescopic adjustment of the output shaft of the electric telescopic rod.

[0063] Reference Figure 1 , Figure 2 and Figure 3 A blanking plate 11 is also provided at the bottom of the blanking plate 3 along the axial direction of the magnetic separation cylinder 2; a second mounting plate 12 is also provided on one side of the frame 1 relative to the blanking plate 3, and a discharge plate 13 located at the axial side end of the magnetic separation cylinder 2 is also provided on the second mounting plate 12, and the discharge plate 13 is located between the two retaining ring plates 4.

[0064] The dropping plate 11 can guide the dropping process of the magnetic material so that the magnetic material can easily fall into the magnetic material collection side; the discharge plate 13 can guide the dropping process of the non-magnetic material passing through the gap between the side of the receiving hopper 7 away from the baffle 21 and the magnetic separation cylinder 2 to avoid it from being mixed with the magnetic material.

[0065] Reference Figure 2 A support bearing 510 is also provided at the side end of the frame 1, the outer ring of the support bearing 510 is connected to the frame 1, and the inner ring of the support bearing 510 is connected to the output shaft of the motor 1 51. The support bearing 510 can provide auxiliary support to the free end of the output shaft of the motor 1 51, so that the motor 1 51 can run more smoothly and extend the service life of the motor 1 51.

[0066] The implementation principle of the magnetic separation device for waste treatment in the embodiment of the present invention is as follows:

[0067] Since a magnetic system is arranged inside the magnetic separation cylinder 2, the magnetic system can be a fixed cylindrical shape with only part of the circumference being magnetic and part of the circumference being non-magnetic, or a sector shape with part of the circumference being magnetic. After the solid material falls onto the magnetic separation cylinder 2, the magnetic material will be adsorbed on the outside of the magnetic separation cylinder 2 under the action of the magnetic system and move with the magnetic separation cylinder 2, while the non-magnetic material will fall from one side of the discharge plate under the action of gravity. The magnetic material will fall when it moves with the magnetic separation cylinder 2 to a position without a magnetic system distribution, thereby realizing the separation of the magnetic material from the non-magnetic material.

[0068] During operation, the reducer 61 is driven by the second driving mechanism to drive the magnetic separation drum 2 to rotate, so as to prepare for magnetic separation of solid waste, so that the discharge hopper 5 is swung to a position deviating from the top center of the magnetic separation drum 2, and the discharge port 6 is opened through the discharge adjustment module, and a certain amount of solid waste is put into the receiving hopper 7, and then the discharge adjustment module is used to close the discharge port 6. After that, the driving mechanism 1 is started to make the receiving hopper 7 swing first along the rotation direction of the magnetic separation drum 2, and then swing against the direction of the magnetic separation drum 2, and drive the solid waste to move on the magnetic separation drum 2, thereby increasing the contact area between the solid waste and the magnetic separation drum 2, and making the solid waste thin on the magnetic separation drum 2, thereby increasing the sorting path of the solid waste. diameter, thereby improving the sorting effect; in this process, materials higher than the height of the discharge port will accumulate on one side of the inside of the receiving hopper 7. Under the action of the receiving hopper 7, the thickness of the materials passing through the surface of the magnetic separation cylinder 2 is controlled to prevent the materials from being too thick. The accumulated materials will be distributed on the surface of the magnetic separation cylinder 2 during the swinging of the receiving hopper 7 to the right, preventing them from accumulating for a long time; during the swinging of the receiving hopper 7, the rollers 31 at both ends of the connecting plate 8 contact the limit blocks 1 32 and the limit blocks 1 32 respectively, so that the connecting plate 8 drives the push plate 26 to make the material claw 9 move back and forth. The reciprocating material claw 9 can not only improve the laying and thinning effect of the accumulated materials, but also move one end of the long strip of materials to change its posture and prevent it from being blocked at the discharge hopper. The baffle 21 is connected to the receiving hopper 7 through the connecting hole and the screw, and the height of the discharge port can be adjusted according to actual use requirements.

[0069] Before the receiving hopper 7 returns to the bottom of the lower hopper 5 against the rotation direction of the magnetic separation cylinder 2, the sorting process of the previous batch of solid waste will be completed. After the receiving hopper 7 returns to the bottom of the receiving hopper 7 against the rotation direction of the magnetic separation cylinder 2, solid waste can continue to be added to the lower hopper 5. Before the receiving hopper 7 continues to move against the rotation direction of the magnetic separation cylinder 2 to a position deviating from the lower hopper 5, the feeding process will be completed. After that, the feeding can be suspended, and the receiving hopper 7 will start to swing along the rotation direction of the magnetic separation cylinder 2 first, and then swing against the rotation direction of the magnetic separation cylinder 2, so as to continue to sort the solid waste.

[0070] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A magnetic separation device for waste treatment, comprising a frame, a magnetic separation drum is rotatably arranged on the frame, a material discharge plate adapted to the axial side end of the magnetic separation drum is arranged on the frame, the material discharge plate is located below the magnetic separation drum, a material through hole is left between the material discharge plate and the magnetic separation drum, both ends of the magnetic separation drum are provided with a material retaining ring plate located outside the material discharge plate, and a material discharge hopper is also arranged on the top of the frame, characterized in that: The bottom of the lower hopper is vertically provided with a feeding port which deviates backward from the center position of the top of the magnetic separation drum, and a receiving hopper is also swingably provided below the feeding port along the front-back direction. The receiving hopper cooperates with the magnetic separation drum to form a receiving cavity whose bottom is inclined against the rotation direction of the magnetic separation drum, and a discharging channel is formed between the front side panel of the receiving hopper and the magnetic separation drum. A connecting plate is also slidably provided along the left-right direction on the left and right side ends of the receiving hopper close to the discharging channel, and a plurality of material-discharging claws matched with the magnetic separation drum are vertically provided on the connecting plate, and a driving module for driving the connecting plate to perform reciprocating linear motion is provided on the frame; the driving module includes rollers which are rotatably provided on the left and right side ends of the connecting plate, and one side end of the frame is provided with a limit block 1 with an arc-shaped convex structure matched with the corresponding roller, and the other side end of the frame is provided with a limit block 2 with an arc-shaped concave structure matched with the corresponding roller; A motor 1 is provided at one side end of the frame, a rocker arm is provided on the output shaft of the motor 1, a rocker arm is rotatably provided at the free end of the rocker arm, a fan-shaped side plate is rotatably provided at the free end of the rocker arm, a connecting rod is provided between the upper end of the side plate and the upper end of the hopper; a connecting frame is provided at one side end of the frame, a rotating shaft rotatably connected to the connecting frame is provided on the side plate, the rotating shaft rotates coaxially with the magnetic separation drum, an arc track is provided at the other side end of the frame, and a cross bar rotatably connected to the arc track is provided at the other side end of the hopper.

2. The magnetic separation device for waste treatment according to claim 1, characterized in that: A baffle is provided on the side of the receiving hopper away from the discharge port, the baffle is vertically slidably connected to the side end of the receiving hopper, the vertical parts of multiple material-discharging claws are vertically slidably connected to the connecting plate, and the vertical parts of multiple material-discharging claws are slidably connected to the baffle along the left and right directions.

3. The magnetic separation device for waste treatment according to claim 2, characterized in that: The left and right side ends of the receiving hopper are respectively provided with connecting slide grooves, and the left and right side ends of the baffle are respectively provided with connecting slide plates slidably connected to the corresponding connecting slide grooves. The left and right side ends of the receiving hopper are also respectively provided with limit plates located on the outside of the baffle, and the two limit plates are respectively screwed with limit screws that can rest on the outer wall of the baffle to limit the baffle.

4. The magnetic separation device for waste treatment according to claim 3, characterized in that: A push plate is commonly arranged at the top of the vertical parts of the plurality of material-moving claws. A transverse hole is arranged on the push plate along the axial direction of the magnetic separation cylinder. A fixing block slidably connected to the transverse hole is arranged on the inner side wall of the baffle.

5. The magnetic separation device for waste treatment according to claim 1, characterized in that: The frame is also provided with a material discharge regulating module for controlling the discharge process of the material discharge port.

6. The magnetic separation device for waste treatment according to claim 5, characterized in that: The material discharge adjustment module includes a fixed plate arranged at the side end of the frame, a telescopic push rod is arranged on the inner side wall of the fixed plate, a blocking plate which is plugged and fixed with the material discharge port is arranged on the output shaft of the telescopic push rod, and a through hole which is adapted to the blocking plate is arranged at the side end of the material discharge port.

7. The magnetic separation device for waste treatment according to claim 1, characterized in that: A first mounting plate is arranged at the side end of the frame along the left and right directions, and a discharge plate is arranged on the first mounting plate; a discharge plate is also arranged at the bottom of the discharge plate along the axial direction of the magnetic separation cylinder; a second mounting plate is also arranged on the side of the frame opposite to the discharge plate, and a discharge plate is also arranged on the second mounting plate and is located at the axial side end of the magnetic separation cylinder, and the discharge plate is located between the two retaining ring plates.

8. The magnetic separation device for waste treatment according to claim 1, characterized in that: A reducer is provided at the other side end of the frame, and a second motor close to the reducer is also provided on the frame. A driving pulley is provided on the output shaft of the second motor, and a driven pulley is provided on the input shaft of the reducer. A transmission belt is provided between the driving pulley and the driven pulley. A connecting shaft is penetrated through the left and right side ends of the magnetic separation cylinder, and one end of the connecting shaft is connected to the output shaft of the reducer. A bearing seat connected to the other end of the connecting shaft is also provided on the frame.

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