Solid waste harmless treatment device based on pyrolysis technology

Abstract

The invention discloses a solid waste harmless treatment device based on a pyrolysis technology, and relates to the technical field of solid waste harmless treatment. According to the solid waste harmless treatment device based on the pyrolysis technology, by arranging a partition plate, a rotating disc, a furnace disc, a storage box, a large belt wheel, a small belt wheel, a transmission belt, a first rotating rod, a second motor, a sleeve rod, a first connecting rod, a hollow rod, a sleeve rod, a storage box body and a reciprocating screw rod, the function that the storage box body moves up and down while rotating in a pyrolysis furnace is achieved; the crushed garbage is in full contact with high-temperature gas in the pyrolyzing furnace, so that pyrolysis is realized; by arranging a cyclone separator, a second connecting pipe, a spraying tower, an outlet, a spraying pipe, a spraying head and an activated carbon plate, the function of treating pyrolysis gas is achieved, the pyrolysis gas is purified and discharged after reaching the standard, harmless treatment of solid waste is achieved, and pollution to the environment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of harmless treatment of solid waste, and in particular to a harmless treatment device for solid waste based on pyrolysis technology. Background Art

[0002] The harmlessness of solid waste refers to the process of making solid waste or its harmful components harmless to the environment or converting them into substances that are harmless to the environment after proper treatment or disposal. This disposal process is the harmlessness of solid waste. Commonly used methods include landfill, incineration, composting, disassembly, chemical methods, etc. With the acceleration of urbanization and population growth, the amount of solid waste generated is increasing. Traditional solid waste disposal methods, such as landfill and incineration, have many disadvantages. Landfill not only occupies a large amount of land resources, but also may cause soil and groundwater pollution; incineration will produce harmful gases such as dioxins, causing serious pollution to the atmospheric environment.

[0003] Therefore, Chinese patent announcement No. CN 119216344 A proposes a harmless treatment device for solid waste based on pyrolysis technology, including a treatment frame, a pyrolysis positioning cylinder is fixedly installed at the bottom end of the treatment frame, a hydraulic push rod is inserted and fixedly installed on the upper part of the treatment frame, and the extended end of the hydraulic push rod is fixedly connected to a compaction diversion component, and the compaction diversion component includes a filter hole compaction frame fixedly connected to the extended end of the hydraulic push rod, which is beneficial to the sanitary landfill method in the process of compacting solid waste, and can separate the sludge and waste liquid adsorbed by the compressed solid waste, avoid the situation where the internal sludge and waste liquid are mixed and there are elastic gaps after compaction, improve the storage and compaction carrying capacity, and when adding solid waste, other garbage can be carried to affect the filling and compaction efficiency, so as to ensure the overall efficiency and quality of sanitary landfill. However, when in use, the solid waste harmless treatment device based on pyrolysis technology cannot allow the solid waste to be pyrolyzed to fully contact with the high-temperature gas, the pyrolysis efficiency is low, and the gas generated during pyrolysis cannot be treated, resulting in defects in the use of the device. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a solid waste harmless treatment device based on pyrolysis technology to solve the problems raised in the above background technology: When in use, the harmless treatment device for solid waste based on pyrolysis technology cannot allow the solid waste to be pyrolyzed to fully contact with the high-temperature gas, the pyrolysis efficiency is low, and the gas generated during pyrolysis cannot be treated, resulting in defects in the use of the device.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A harmless treatment device for solid waste based on pyrolysis technology comprises a pyrolysis furnace, a heating wire is provided inside the pyrolysis furnace, a furnace plate is slidably connected inside the pyrolysis furnace, a storage box is detachably connected to the top of the furnace plate, a through hole penetrating the surface of the furnace plate is provided on one side of the furnace plate, a conveying pipe is fixedly connected inside the pyrolysis furnace, an end of the conveying pipe away from the pyrolysis furnace is fixedly connected to the conveying box, a crushing box is fixedly connected to the bottom of the conveying box, a fourth rotating rod is symmetrically rotatably connected inside the crushing box, a crushing roller is fixedly connected to the outer side of the fourth rotating rod, a first connecting pipe is fixedly connected to the top of the pyrolysis furnace, a cyclone separator is fixedly connected to the end of the first connecting pipe away from the pyrolysis furnace, a second connecting pipe is fixedly connected to the top of the cyclone separator, and a spray tower is fixedly connected to the end of the second connecting pipe away from the cyclone separator.

[0006] Preferably, a partition is fixedly connected inside the pyrolysis furnace, a turntable is rotatably connected to the top of the partition, a hollow rod is symmetrically fixedly connected to the top of the turntable, a first connecting rod is slidably connected inside the hollow rod, and the top of the first connecting rod is fixedly connected to the furnace plate.

[0007] Preferably, a connecting frame is fixedly connected to the top of the turntable, a sleeve rod is slidably connected to the interior of the connecting frame, and the top of the sleeve rod is fixedly connected to the furnace plate.

[0008] Preferably, a connecting ring is fixedly connected to the bottom of the turntable, the bottom of the connecting ring passes through the bottom of the partition and is fixedly connected to a large pulley, the inside of the pyrolysis furnace is rotatably connected to a first rotating rod, the top outer side of the first rotating rod is fixedly connected to a small pulley, and the small pulley is connected to the large pulley through a transmission belt.

[0009] Preferably, the top of the crushing box is fixedly connected with an inlet, the bottom of the cyclone separator is fixedly connected with a dust collecting box, and one side of the pyrolysis furnace is hinged with a door panel.

[0010] Preferably, a rotating plate is fixedly connected to the outer side of the bottom of the first rotating rod, a plurality of gear teeth are provided on one side of the rotating plate, an arc-shaped connecting plate is fixedly connected to the side of the rotating plate away from the gear teeth, a connecting column is fixedly connected to the top of the arc-shaped connecting plate, the internal rotation of the pyrolysis furnace is connected to a fan-shaped gear, one side of the fan-shaped gear is fixedly connected to a second connecting rod, and one side of the fan-shaped gear is meshed with the gear teeth.

[0011] Preferably, a second motor is fixedly connected to the interior of the pyrolysis furnace, and an output end of the second motor is fixedly connected to the first rotating rod.

[0012] Preferably, a reciprocating screw is fixedly connected to the center of one side of the sector gear, the top end of the reciprocating screw passes through one side of the turntable, and the outer side of the reciprocating screw is threadedly connected to the sleeve rod.

[0013] Preferably, an outlet is fixedly connected to the top of the spray tower, a spray pipe is fixedly connected to the inside of the spray tower, a plurality of nozzles are provided on the outside of the spray pipe, and an activated carbon plate is fixedly connected to the inside of the spray tower and above the spray pipe.

[0014] Preferably, one side of the crushing box is fixedly connected to a first motor, two groups of fourth rotating rods are provided, one end of the two groups of fourth rotating rods pass through one side of the crushing box and are fixedly connected to a first gear, two groups of first gears are provided, the two groups of first gears are meshed and connected, and one group of fourth rotating rods passes through one side of the crushing box and is fixedly connected to the output end of the first motor.

[0015] The present invention provides a harmless treatment device for solid waste based on pyrolysis technology. Compared with the prior art, it has the following beneficial effects: 1. The harmless treatment device for solid waste based on pyrolysis technology realizes the function of the storage box rotating and moving up and down in the pyrolysis furnace by arranging a partition, a turntable, a furnace plate, a storage box, a large pulley, a small pulley, a transmission belt, a first rotating rod, a second motor, a sleeve rod, a first connecting rod, a hollow rod, a sleeve rod, a storage box, and a reciprocating screw, so that the storage box can be rotated in the pyrolysis furnace and move up and down at the same time, so that the crushed garbage can be fully contacted with the high-temperature gas in the pyrolysis furnace to realize pyrolysis.

[0016] 2. The harmless treatment device for solid waste based on pyrolysis technology realizes the function of crushing solid waste by setting a crushing box, an inlet, a crushing roller, a fourth rotating rod, a first motor and a first gear, breaking large pieces of solid waste into small pieces, increasing the contact area between the solid waste and the pyrolysis gas, and improving the pyrolysis efficiency.

[0017] 3. The harmless treatment device for solid waste based on pyrolysis technology realizes the function of treating pyrolysis gas by arranging a cyclone separator, a second connecting pipe, a spray tower, an outlet, a spray pipe, a nozzle and an activated carbon plate. The pyrolysis gas is purified to meet the emission standards, thereby achieving harmless treatment of solid waste and reducing pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the internal structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 3 It is a rear view of the present invention; Figure 4 It is a schematic diagram of the local structure of the present invention Figure 1 ; Figure 5 An exploded view of the present invention; Figure 6It is a schematic diagram of the local structure of the present invention Figure 2 ; Figure 7 It is a schematic diagram of the enlarged structure of the local A in the present invention; Figure 8 It is a schematic diagram of the enlarged structure of local B in the present invention.

[0019] In the figure: 1, pyrolysis furnace; 2, heating wire; 3, furnace plate; 4, storage box; 5, through hole; 6, partition; 7, first connecting pipe; 8, cyclone separator; 9, second connecting pipe; 10, spray tower; 11, outlet; 12, spray pipe; 13, nozzle; 14, activated carbon plate; 15, first connecting rod; 16, hollow rod; 17, sleeve rod; 18, connecting frame; 19, reciprocating screw rod; 20, turntable; 21, large pulley; 22, small pulley Pulley; 23, transmission belt; 24, first rotating rod; 25, rotating plate; 26, gear teeth; 27, arc-shaped connecting plate; 28, sector gear; 29, second connecting rod; 30, connecting column; 32, connecting ring; 33, crushing box; 34, inlet; 35, crushing roller; 36, fourth rotating rod; 37, first motor; 38, first gear; 39, conveying box; 40, conveying pipe; 41, dust collecting box; 42, door panel; 43, second motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-8The present invention provides a technical solution: a harmless treatment device for solid waste based on pyrolysis technology, comprising a pyrolysis furnace 1, wherein a heating wire 2 is arranged inside the pyrolysis furnace 1, and the heating wire 2 heats the inside of the pyrolysis furnace 1; a furnace plate 3 is slidably connected to the inside of the pyrolysis furnace 1, and the outer side of the furnace plate 3 is in contact with the inner wall of the pyrolysis furnace 1; the furnace plate 3 moves up and down and rotates along the inner wall of the pyrolysis furnace 1; a storage box 4 is detachably connected to the top of the furnace plate 3, and the top of the furnace plate 3 is threadedly connected to the storage box 4; a through hole 5 penetrating through the surface of the furnace plate 3 is provided on one side of the furnace plate 3, so that the circulation in the pyrolysis furnace 1 is facilitated; a conveying pipe 40 is fixedly connected to the inside of the pyrolysis furnace 1, and the crushed garbage enters the storage box 4 through the conveying pipe 40; a conveying box 39 is fixedly connected to the end of the conveying pipe 40 away from the pyrolysis furnace 1; the conveying box 39 comprises a conveying rod, a spiral blade, a driving motor and a box body; the driving motor rotates with the spiral blade through the conveying rod, and the rotating blade rotates to convey the crushed garbage into the box body, and then passes through the conveying pipe 4 0 enters the storage box 4 in the pyrolysis furnace 1, the bottom of the conveying box 39 is fixedly connected to the crushing box 33, the inside of the crushing box 33 is symmetrically rotatably connected to the fourth rotating rod 36, the outer side of the fourth rotating rod 36 is fixedly connected to the crushing roller 35, the fourth rotating rod 36 rotates with the crushing roller 35 to rotate, the solid waste with a lower volume is crushed, the contact area with the high-temperature gas is increased, and the pyrolysis efficiency is improved, the top of the pyrolysis furnace 1 is fixedly connected to the first connecting pipe 7, the end of the first connecting pipe 7 far from the pyrolysis furnace 1 is fixedly connected to the cyclone separator 8, the gas after pyrolysis in the pyrolysis furnace 1 enters the cyclone separator 8 through the first connecting pipe 7, the cyclone separator 8 separates the solid particles in the pyrolysis gas, the top of the cyclone separator 8 is fixedly connected to the second connecting pipe 9, the end of the second connecting pipe 9 far from the cyclone separator 8 is fixedly connected to the spray tower 10, the separated gas enters the inside of the spray tower 10 through the second connecting pipe 9, and the spray tower 10 sprays the pyrolysis gas.

[0022] Furthermore, a partition 6 is fixedly connected to the inside of the pyrolysis furnace 1, and a turntable 20 is rotatably connected to the top of the partition 6. A hollow rod 16 is symmetrically fixedly connected to the top of the turntable 20. The turntable 20 rotates and causes the hollow rod 16 to rotate. The inside of the hollow rod 16 is slidably connected to a first connecting rod 15, and the first connecting rod 15 moves along the inside of the hollow rod 16. The rotation of the hollow rod 16 causes the first connecting rod 15 to rotate. The top of the first connecting rod 15 is fixedly connected to the furnace plate 3, and the rotation or movement of the first connecting rod 15 causes the furnace plate 3 to rotate or move.

[0023] Furthermore, a connecting frame 18 is fixedly connected to the top of the turntable 20, a sleeve rod 17 is slidably connected to the interior of the connecting frame 18, the top of the sleeve rod 17 is fixedly connected to the furnace plate 3, and the movement of the sleeve rod 17 brings the furnace plate 3 with it.

[0024] Furthermore, a connecting ring 32 is fixedly connected to the bottom of the turntable 20, and the connecting ring 32 rotates to rotate the turntable 20. The bottom of the connecting ring 32 passes through the bottom of the partition 6 and is fixedly connected to a large pulley 21, and the large pulley 21 rotates to rotate the connecting ring 32. The inside of the pyrolysis furnace 1 is rotatably connected to a first rotating rod 24, and a small pulley 22 is fixedly connected to the top outer side of the first rotating rod 24. The first rotating rod 24 rotates to rotate the small pulley 22. The small pulley 22 is connected to the large pulley 21 through a transmission belt 23, and the small pulley 22 rotates the large pulley 21 through the transmission belt 23.

[0025] Furthermore, an inlet 34 is fixedly connected to the top of the crushing box 33, and garbage is poured into the crushing box 33 from the inlet 34. The inlet 34 is inclined so that the solid garbage can better fall into the middle of the two sets of crushing rollers 35 for crushing. A dust collecting box 41 is fixedly connected to the bottom of the cyclone separator 8 to collect the separated solid particles for better subsequent treatment of the solid particles. A door panel 42 is hinged on one side of the pyrolysis furnace 1 to take out the storage box 4 in the pyrolysis furnace 1, so as to facilitate the centralized treatment of the decomposed solid residue in the storage box 4.

[0026] Furthermore, a rotating plate 25 is fixedly connected to the outer side of the bottom of the first rotating rod 24, and the first rotating rod 24 rotates with the rotating plate 25, and a plurality of gear teeth 26 are provided on one side of the rotating plate 25, and the rotating plate 25 rotates with the gear teeth 26, and an arc-shaped connecting plate 27 is fixedly connected to the side of the rotating plate 25 away from the gear teeth 26, and the rotating plate 25 rotates with the arc-shaped connecting plate 27, and the top of the arc-shaped connecting plate 27 is fixedly connected with a connecting column 30, and the arc-shaped connecting plate 27 rotates with the connecting column 30, and the internal rotation of the pyrolysis furnace 1 is connected to a fan gear 28, and a second connecting rod 29 is fixedly connected to one side of the fan gear 28, and the connecting column When 30 moves to one side of the second connecting rod 29, the fan gear 28 is rotated by the second connecting rod 29, and one side of the fan gear 28 is meshed with the gear teeth 26. When the rotating plate 25 and the fan gear 28 rotate to allow the gear teeth 26 to mesh with the toothed side of the fan gear 28, the rotating plate 25 continues to rotate with the fan gear 28. When the gear teeth 26 leave one side of the fan gear 28, the arc-shaped connecting plate 27 continues to rotate in contact with the toothless side of the fan gear 28. At this time, the fan gear 28 returns to a stationary state. Therefore, the rotating plate 25 rotates intermittently with the fan gear 28 under the cooperation of the gear teeth 26 and the arc-shaped connecting plate 27.

[0027] Furthermore, a second motor 43 is fixedly connected inside the pyrolysis furnace 1 , and an output end of the second motor 43 is fixedly connected to the first rotating rod 24 . When the second motor 43 is turned on, the first rotating rod 24 is rotated.

[0028] Furthermore, a reciprocating screw 19 is fixedly connected to the center of one side of the fan gear 28, and the fan gear 28 rotates to drive the reciprocating screw 19 to rotate intermittently. The top end of the reciprocating screw 19 passes through one side of the turntable 20, and the outer side of the reciprocating screw 19 is not in contact with the connecting ring 32, the large pulley 21 and the turntable 20. The outer side of the reciprocating screw 19 is threadedly connected to the sleeve rod 17, and the reciprocating screw 19 rotates to drive the sleeve rod 17 to move, so that the storage box 4 intermittently moves up and down while rotating in the pyrolysis furnace 1.

[0029] Furthermore, an outlet 11 is fixedly connected to the top of the spray tower 10, so that the treated gas leaves the interior of the spray tower 10 through the outlet 11. A spray pipe 12 is fixedly connected to the interior of the spray tower 10, and the spray liquid is connected to the spray pipe 12. A plurality of nozzles 13 are provided on the outside of the spray pipe 12. The nozzles 13 spray the liquid in the spray pipe 12 to spray the gas after pyrolysis. An activated carbon plate 14 is fixedly connected to the interior of the spray tower 10 and above the spray pipe 12. The activated carbon plate 14 adsorbs residual organic pollutants in the pyrolysis gas.

[0030] Furthermore, a first motor 37 is fixedly connected to one side of the crushing box 33, and two groups of fourth rotating rods 36 are provided. One end of the two groups of fourth rotating rods 36 passes through one side of the crushing box 33 and is fixedly connected to the first gear 38. There are two groups of first gears 38, and the two groups of first gears 38 are meshed and connected. With the cooperation of the first gear 38, the two groups of fourth rotating rods 36 rotate at the same time, and one group of fourth rotating rods 36 passes through one side of the crushing box 33 and is fixedly connected to the output end of the first motor 37. After the first motor 37 is turned on, it drives one group of fourth rotating rods 36 to rotate, so that the two groups of first gears 38 rotate at the same time.

[0031] When in use, the first motor 37, the heating wire 2, the second motor 43, the cyclone separator 8 and the nozzle 13 are turned on, the first motor 37 rotates with a set of fourth rotating rods 36 and the first gear 38, and the two sets of first gears 38 cooperate with the fourth rotating rod 36 to rotate with the two sets of crushing rollers 35, and garbage is put into the inlet 34, and the crushing rollers 35 crush the input garbage and transmit it to the storage box 4 in the pyrolysis furnace 1 through the conveying box 39 and the conveying pipe 40, and the second motor 43 rotates with the first rotating rod 24, and the first rotating rod 24 rotates with the small pulley 22 and the rotating plate 25, and the small pulley 22 rotates with the large pulley 21 through the transmission belt 23, the large pulley 21 rotates with the connecting ring 32, the connecting ring 32 rotates with the turntable 20, the turntable 20 rotates with the furnace plate 3 through the hollow rod 16 and the first connecting rod 15, the furnace plate 3 rotates with the storage box 4, when the rotating plate 25 rotates, the arc connecting plate 27 rotates on the side without teeth of the fan gear 28, at this time the fan gear 28 does not rotate, when the connecting column 30 rotates to one side of the second connecting rod 29, the connecting column 30 rotates with the fan gear 28 through the second connecting rod 29, until When one side of the sector gear 28 meshes with the gear teeth 26, the rotating plate 25 continues to rotate with the sector gear 28 through the gear teeth 26. When the gear teeth 26 leave one side of the sector gear 28, the arc-shaped connecting plate 27 continues to rotate in contact with the toothless side of the sector gear 28. At this time, the sector gear 28 returns to a stationary state. Therefore, the rotating plate 25 rotates intermittently with the sector gear 28 under the cooperation of the gear teeth 26 and the arc-shaped connecting plate 27. The rotation of the sector gear 28 rotates the reciprocating screw rod 19, and the rotation of the reciprocating screw rod 19 moves the sleeve rod 17. The sleeve rod 17 moves the furnace plate 3 and the storage box 4. The position of the storage box 4 is adjusted so that the storage box 4 intermittently moves up and down while rotating in the pyrolysis furnace 1, so that the crushed garbage is fully in contact with the high-temperature gas in the pyrolysis furnace 1 to achieve pyrolysis. The gas during pyrolysis enters the cyclone separator 8 through the first connecting pipe 7. The cyclone separator 8 removes solid particles in the pyrolysis gas. The nozzle 13 sprays the alkaline solution in the spray pipe 12 to wash the pyrolysis gas and remove the acidic gas therein. The washed gas continues to move upward, and the activated carbon plate 14 adsorbs the residual organic pollutants in the pyrolysis gas, so that the purified gas meets the emission standards.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solid waste harmless treatment device based on pyrolysis technology, comprising a pyrolysis furnace (1), characterized in that: The pyrolysis furnace (1) is provided with a heating wire (2) inside, a furnace plate (3) is slidably connected inside the pyrolysis furnace (1), a storage box (4) is detachably connected to the top of the furnace plate (3), a through hole (5) penetrating the surface of the furnace plate (3) is provided on one side, a conveying pipe (40) is fixedly connected inside the pyrolysis furnace (1), a conveying box (39) is fixedly connected to one end of the conveying pipe (40) away from the pyrolysis furnace (1), a crushing box (33) is fixedly connected to the bottom of the conveying box (39), and the A fourth rotating rod (36) is symmetrically rotatably connected inside the crushing box (33), a crushing roller (35) is fixedly connected to the outer side of the fourth rotating rod (36), a first connecting pipe (7) is fixedly connected to the top of the pyrolysis furnace (1), a cyclone separator (8) is fixedly connected to one end of the first connecting pipe (7) away from the pyrolysis furnace (1), a second connecting pipe (9) is fixedly connected to the top of the cyclone separator (8), and a spray tower (10) is fixedly connected to one end of the second connecting pipe (9) away from the cyclone separator (8).

2. The solid waste harmless treatment device based on pyrolysis technology according to claim 1 is characterized by: A partition (6) is fixedly connected inside the pyrolysis furnace (1), a turntable (20) is rotatably connected to the top of the partition (6), a hollow rod (16) is symmetrically fixedly connected to the top of the turntable (20), a first connecting rod (15) is slidably connected inside the hollow rod (16), and the top of the first connecting rod (15) is fixedly connected to the furnace plate (3).

3. The solid waste harmless treatment device based on pyrolysis technology according to claim 2 is characterized by: The top of the rotating disk (20) is fixedly connected to a connecting frame (18), the interior of the connecting frame (18) is slidably connected to a sleeve rod (17), and the top of the sleeve rod (17) is fixedly connected to the furnace plate (3).

4. The device for harmless treatment of solid waste based on pyrolysis technology according to claim 3 is characterized by: The bottom of the rotating disk (20) is fixedly connected to a connecting ring (32), the bottom of the connecting ring (32) passes through the bottom of the partition (6) and is fixedly connected to a large belt pulley (21), the interior of the pyrolysis furnace (1) is rotatably connected to a first rotating rod (24), the top outer side of the first rotating rod (24) is fixedly connected to a small belt pulley (22), and the small belt pulley (22) is transmission-connected to the large belt pulley (21) via a transmission belt (23).

5. The solid waste harmless treatment device based on pyrolysis technology according to claim 1 is characterized by: The top of the crushing box (33) is fixedly connected to an inlet (34), the bottom of the cyclone separator (8) is fixedly connected to a dust collecting box (41), and one side of the pyrolysis furnace (1) is hingedly connected to a door panel (42).

6. The device for harmless treatment of solid waste based on pyrolysis technology according to claim 4 is characterized by: A rotating plate (25) is fixedly connected to the outer side of the bottom of the first rotating rod (24), a plurality of gear teeth (26) are provided on one side of the rotating plate (25), an arc-shaped connecting plate (27) is fixedly connected to the side of the rotating plate (25) away from the gear teeth (26), a connecting column (30) is fixedly connected to the top of the arc-shaped connecting plate (27), a fan-shaped gear (28) is rotatably connected to the inside of the pyrolysis furnace (1), a second connecting rod (29) is fixedly connected to one side of the fan-shaped gear (28), and one side of the fan-shaped gear (28) is meshingly connected to the gear teeth (26).

7. The device for harmless treatment of solid waste based on pyrolysis technology according to claim 6 is characterized by: A second motor (43) is fixedly connected inside the pyrolysis furnace (1), and an output end of the second motor (43) is fixedly connected to the first rotating rod (24).

8. The device for harmless treatment of solid waste based on pyrolysis technology according to claim 6 is characterized by: A reciprocating screw rod (19) is fixedly connected to the center of one side of the sector gear (28), the top end of the reciprocating screw rod (19) passes through one side of the rotating disk (20), and the outer side of the reciprocating screw rod (19) is threadedly connected to the sleeve rod (17).

9. The device for harmless treatment of solid waste based on pyrolysis technology according to claim 1, characterized in that: The top of the spray tower (10) is fixedly connected to an outlet (11), the interior of the spray tower (10) is fixedly connected to a spray pipe (12), the outside of the spray pipe (12) is provided with a plurality of spray heads (13), and an activated carbon plate (14) is fixedly connected to the interior of the spray tower (10) and above the spray pipe (12).

10. The solid waste harmless treatment device based on pyrolysis technology according to claim 1, characterized in that: A first motor (37) is fixedly connected to one side of the crushing box (33); two groups of fourth rotating rods (36) are provided, one end of the two groups of fourth rotating rods (36) pass through one side of the crushing box (33) and are fixedly connected to a first gear (38); two groups of the first gear (38) are provided, the two groups of the first gear (38) are meshed and connected, and one group of the fourth rotating rods (36) passes through one side of the crushing box (33) and is fixedly connected to an output end of the first motor (37).

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