Waste tire thermal cracking feeding device

By introducing an air suction pump and a decomposition and screening mechanism into the waste tire pyrolysis feeding device, the problems of dust dispersion and equipment blockage have been solved, achieving efficient dust removal and fragment screening, and improving the working environment and system efficiency.

CN223747703UActive Publication Date: 2026-01-02LIAONING DIHUA LONG ZINC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422945166.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2026-01-02
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing waste tire pyrolysis feeding devices lack dust collection and screening functions, causing dust to scatter everywhere, affecting the working environment and health. At the same time, larger pieces can easily clog the feeder, reducing the applicability of the feeding device.

Method used

A feeding device including an air pump and an air mesh was designed to suck up dust and to screen tire fragments through a decomposition and screening mechanism. Larger fragments are pushed out of the discharge port by an electric push rod to avoid blockage.

Benefits of technology

It effectively removes dust, improves the working environment, prevents equipment blockage, and enhances the applicability of the feeding device and the working efficiency of the pyrolysis system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223747703U_ABST
    Figure CN223747703U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of waste tire thermal cracking, in particular to a waste tire thermal cracking feeding device which comprises a feeding barrel, a feeding hopper is fixedly connected to the upper surface of the feeding barrel, and a decomposition screening mechanism is arranged on the upper surface of the feeding hopper. A filter screen is selected according to requirements, a motor is started to drive a decomposition knife, decomposed fragments and dust fall into a screening box, an air suction pump sucks dust from a feeding barrel, an air net can filter tire fragments, the dust enters a cavity of the air suction pump, the dust is prevented from flying around, the filter screen screens large tire fragments, small fragments enter a feeding hopper, and the dust is prevented from flying around. And large fragments are pushed out of the discharging opening through cooperation with the electric push rod, it is guaranteed that the materials in the feeding barrel are small fragments, dust is effectively prevented from drifting around in a working place, meanwhile, large tire fragments are screened out, the interior of equipment is prevented from being blocked, and smooth operation of the feeding device is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to waste and old tire heat cracking technical field especially relates to a waste and old tire heat cracking feeding device. BACKGROUND

[0002] Waste and old tire as a kind of difficult natural degradation waste, its quantity increases sharply with the rapid development of automobile industry, has become global environmental problem, traditional waste and old tire processing mode, such as landfill and stacking, not only occupies large land resources, also can cause long-term pollution to soil and underground water due to the exudation of harmful substances in tire, incineration processing can reduce volume, but will produce a large amount of harmful gas emissions, cause serious damage to atmospheric environment, heat cracking technology as a kind of more environmentally friendly and can realize resource recycling processing method arises at the historic moment, in waste and old tire heat cracking process, waste and old tire is heated to high temperature under the condition of oxygen deficiency or inert atmosphere, so that the macromolecule of rubber in it occurs rupture and decomposition, generates a variety of valuable products, however, the existing waste and old tire heat cracking feeding mode has many defects, therefore, especially need a waste and old tire heat cracking feeding device.

[0003] But the existing old tire heat cracking feeding device, due to the limitation of design, often does not have dust absorption function, leads to unable to carry out dust absorption treatment to the dust generated when tire is crushed, causes dust to easily drift everywhere, influence working environment and staff's health, meanwhile, feeding device also does not have screening function, cannot carry out screening treatment to the crushed tire, causes larger tire fragments to enter feeder, the inside of feeder is prone to jam, and then the applicability of feeding device is reduced. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of waste and old tire heat cracking feeding device, to solve the problem that the existing old tire heat cracking feeding device is proposed in above-mentioned background art, due to the limitation of design, often does not have dust absorption function, leads to unable to carry out dust absorption treatment to the dust generated when tire is crushed, causes dust to easily drift everywhere, influence working environment and staff's health, simultaneously, feeding device also does not have screening function, cannot carry out screening treatment to the crushed tire, causes larger tire fragments to enter feeder, the inside of feeder is prone to jam phenomenon, and then the applicability of feeding device is reduced.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste tire pyrolysis feeding device, comprising a feeding barrel, a barrel cover slidably connected to one side surface of the feeding barrel, a feeding funnel fixedly connected to the upper surface of the feeding barrel, a support frame fixedly connected to the lower part of the feeding barrel, a load-bearing plate fixedly connected to the upper surface of the support frame, an air suction pump fixedly connected to the upper surface of the load-bearing plate, a switch fixedly connected to one side surface of the air suction pump, an air pipe fixedly connected to one side surface of the air suction pump, an air mesh fixedly connected to one side surface of the air pipe, a main support frame fixedly connected to the lower surface of the support frame, a connecting column fixedly connected to the lower surface of the main support frame, a displacement frame fixedly connected to the lower surface of the connecting column, casters fixedly connected to the lower surface of the displacement frame, and a decomposition and screening mechanism provided on the upper surface of the feeding funnel;

[0006] The decomposition and screening mechanism includes a screening box, a filter screen, a hinge, a push gate, an electric push rod, a support table, a connecting block, a motor, a main rotating shaft, a decomposition knife, a bearing, a decomposition box, a rotating connecting box, and a driven rotating shaft. The screening box is fixedly connected to the upper surface of the feeding funnel. A filter screen is slidably connected to one side surface of the screening box. A hinge is fixedly connected to one side surface of the screening box. A push gate is fixedly connected to one side surface of the hinge. An electric push rod is slidably connected to one side surface of the screening box. A support table is fixedly connected to the lower surface of the electric push rod. A connecting block is fixedly connected to the upper surface of the electric push rod. A motor is fixedly connected to the upper surface of the connecting block. A main rotating shaft is fixedly connected to one side surface of the motor. A decomposition knife is disposed on the outer surface of the main rotating shaft. A bearing is disposed on one side surface of the main rotating shaft. A decomposition box is fixedly connected to the outer surface of the bearing. A rotating connecting box is fixedly connected to one side surface of the decomposition box. A driven rotating shaft is rotatably connected to one side surface of the rotating connecting box.

[0007] Preferably, the suction pump is located on one side of the feed hopper. After the switch is turned on, the suction pump starts to suck up dust from the feed hopper. The air mesh can filter tire debris, allowing the dust to enter the chamber of the suction pump.

[0008] Preferably, a set of connecting columns and casters are provided at each of the four corners of the displacement frame, and the support frame, load-bearing plate, main support frame and displacement frame constitute a fixed structure to fix each module.

[0009] Preferably, the filter screen can be slidably pulled out from the lower surface of the screening box. Users can select a suitable filter screen for installation and screening according to their needs. Two sets of hinges are symmetrically arranged on one side surface of the screening box, and the push door is rotated by the hinges.

[0010] Preferably, the support table is fixedly connected to the upper surface of the bearing plate, the air suction pump is matched with the electric push rod, the air suction pump sucks the tire fragments to the upper side of the filter screen, and then the electric push rod can push the larger tire fragments to the discharge port, so that the small tire fragments fall into the feeding barrel.

[0011] Preferably, the driven shaft is provided with two groups, one group is arranged on the other side of the main shaft symmetrical to the disintegration box, and the other group is arranged below the two groups of symmetrical surfaces, and the three are distributed in an isosceles triangle shape, the outer surfaces of the main shaft and the driven shaft are provided with a plurality of groups of disintegration knives, each group of disintegration knives is centered on the central axis of the main shaft or the driven shaft, and a plurality of blades are arranged at equal intervals around each group of disintegration knives.

[0012] Preferably, the main shaft and the driven shaft are each provided with a group of bearings at two ends, and the main shaft drives the rotation of the driven shaft through the rotary connection box.

[0013] The beneficial effects of the utility model are:

[0014] 1. The air suction pump sucks dust from the feeding barrel, the air net can filter tire fragments, the dust enters the cavity of the air suction pump, and the dust is prevented from scattering everywhere, so that the air quality of the working place is greatly improved.

[0015] 2. By arranging two groups of driven shafts, one group is arranged on the other side of the main shaft symmetrical to the disintegration box, and the other group is arranged below the two groups of symmetrical surfaces, and the three are distributed in an isosceles triangle shape, the outer surfaces of the main shaft and the driven shaft are provided with a plurality of groups of disintegration knives, each group of disintegration knives is centered on the central axis of the main shaft or the driven shaft, and a plurality of blades are arranged at equal intervals around each group of disintegration knives. In use, such a layout greatly increases the contact area of the disintegration knife with the waste tire during rotation, multiple cutting tools work simultaneously, can cut and disintegrate the waste tire in a large area in a short time, improve the crushing efficiency, make the waste tire can be disintegrated into smaller fragments faster, meet the processing speed requirement of the continuous feeding device for materials.

[0016] 3. By matching the air suction pump with the electric push rod, the air suction pump sucks the tire fragments to the upper side of the filter screen, and then the electric push rod can push the larger tire fragments to the discharge port, so that the small tire fragments fall into the feeding barrel, which can effectively prevent larger tire fragments from entering the subsequent feeder and other equipment, prevent the internal blockage of the equipment, ensure the smooth operation of the feeding device, and improve the working efficiency of the whole waste tire thermal cracking system. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a side view of the appearance structure of the utility model;

[0018] Figure 2 It is base part and dust collection module structure schematic view of the utility model;

[0019] Figure 3 It is decomposition module structure schematic view of the utility model;

[0020] Figure 4 It is screening module structure schematic view of the utility model.

[0021] In the drawing: 1, feed bucket;2, bucket cover;3, feed hopper;4, support frame;5, bearing plate;6, suction air pump;7, switch;8, air pipe;9, air net;10, total support frame;11, connecting column;12, displacement frame;13, universal wheel;14, decomposition and screening mechanism;1401, screening box;1402, filter screen;1403, hinge;1404, push door;1405, electric push rod;1406, support table;1407, connecting block;1408, motor;1409, main rotating shaft;1410, decomposition knife;1411, bearing;1412, decomposition box;1413, rotary connection box;1414, driven rotating shaft. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of waste tyre thermal cracking feed device, including feed bucket 1, the surface of one side of feed bucket 1 is slidably connected with bucket cover 2, the upper surface of feed bucket 1 is fixedly connected with feed hopper 3, the lower fixed connection of feed bucket 1 has support frame 4, the upper surface of support frame 4 is fixedly connected with bearing plate 5, the upper surface of bearing plate 5 is fixedly connected with suction air pump 6, the surface of one side of suction air pump 6 is fixedly connected with switch 7, the surface of one side of suction air pump 6 is fixedly connected with air pipe 8, the surface of one side of air pipe 8 is fixedly connected with air net 9, the lower surface of support frame 4 is fixedly connected with total support frame 10, the lower surface of total support frame 10 is fixedly connected with connecting column 11, the lower surface of connecting column 11 is fixedly connected with displacement frame 12, the lower surface of displacement frame 12 is fixedly connected with universal wheel 13, the upper surface of feed hopper 3 is provided with decomposition and screening mechanism 14;

[0024] The decomposition screening mechanism 14 comprises a screening box 1401, a filter screen 1402, a hinge 1403, a push door 1404, an electric push rod 1405, a support table 1406, a connecting block 1407, a motor 1408, a main rotating shaft 1409, a decomposition knife 1410, a bearing 1411, a decomposition box 1412, a rotating connecting box 1413, and a driven rotating shaft 1414. The upper surface of the feeding hopper 3 is fixedly connected with the screening box 1401. One side surface of the screening box 1401 is slidably connected with the filter screen 1402. One side surface of the screening box 1401 is fixedly connected with the hinge 1403. One side surface of the hinge 1403 is fixedly connected with the push door 1404. One side surface of the screening box 1401 is slidably connected with the electric push rod 1405. The lower surface of the electric push rod 1405 is fixedly connected with the support table 1406. The upper surface of the electric push rod 1405 is fixedly connected with the connecting block 1407. The upper surface of the connecting block 1407 is fixedly connected with the motor 1408. One side surface of the motor 1408 is fixedly connected with the main rotating shaft 1409. The outer side surface of the main rotating shaft 1409 is provided with the decomposition knife 1410. One side surface of the main rotating shaft 1409 is provided with the bearing 1411. The outer side surface of the bearing 1411 is fixedly connected with the decomposition box 1412. One side surface of the decomposition box 1412 is fixedly connected with the rotating connecting box 1413. One side surface of the rotating connecting box 1413 is rotatably connected with the driven rotating shaft 1414. Through the setting of the screening box 1401, the filter screen 1402, the hinge 1403, the push door 1404, the electric push rod 1405, the support table 1406, the connecting block 1407, the motor 1408, the main rotating shaft 1409, the decomposition knife 1410, the bearing 1411, the decomposition box 1412, the rotating connecting box 1413, and the driven rotating shaft 1414, when in use, the device keeps overall stability through the fixing structure formed by the support frame 4, the bearing plate 5, the total support frame 10, the connecting column 11, and the displacement frame 12. The universal wheels 13 below the displacement frame 12 facilitate the device to move to a suitable position for work. According to the size of the tire fragments to be screened, the appropriate filter screen 1402 is selected and installed on one side surface of the screening box 1401, so that it can slide below the screening box 1401. The waste tire is put into the decomposition box 1412. The motor 1408 is started. The motor 1408 drives the main rotating shaft 1409 to rotate. The multiple groups of decomposition knives 1410 on the outer side surface of the main rotating shaft 1409 and the bearings 1411 at both ends of the main rotating shaft 1409 ensure the stable rotation of the main rotating shaft 1409. At the same time, the rotating connecting box 1413 drives the two groups of driven rotating shafts 1414 to rotate. The decomposed tire fragments and dust fall into the screening box 1401. The suction air pump 6 is started. The dust is sucked from the feeding barrel 1. The air net 9 can filter the tire fragments, so that the dust enters the cavity inside the suction air pump 6, avoiding the dust from flying everywhere. At the same time, the filter screen 1402 slidably connected on one side of the screening box 1401 screens the tire fragments. The smaller fragments fall into the feeding hopper 3 below through the filter screen 1402.And the larger pieces left on the filter screen 1402, electric push rod 1405 is installed on one side of the screening box 1401 and can slide, below which is fixed on the support table 1406, electric push rod 1405 is connected with motor 1408 through connecting block 1407, start electric push rod 1405, push the larger tire pieces left on the filter screen 1402 to the push door 1404, because the push door 1404 is connected on one side of the decomposition box 1412 through the hinge 1403, can be rotated to open, facilitate the larger pieces to push out the discharge port, so as to ensure that the material falling into the feed bucket 1 is small piece of tire pieces, the device can suck dust from the feed bucket 1 through the suction air pump 6, the air net 9 can filter tire pieces, so that the dust enters the cavity inside the suction air pump 6, avoids the dust to fly everywhere, greatly improves the air quality of the workplace, and in combination with the operation of electric push rod 1405 to push the larger pieces out of the discharge port, can effectively avoid the larger tire pieces into the subsequent feeder and other equipment, so as to prevent the blockage phenomenon in the interior of these devices, ensure the smooth operation of the feeding device, improve the working efficiency of the whole waste tire thermal cracking system.

[0025] Further, the suction air pump 6 is arranged on one side of the feed bucket 1, and after the switch 7 is turned on, the suction air pump 6 sucks dust from the feed bucket 1, and the air net 9 can filter tire pieces, so that the dust enters the cavity inside the suction air pump 6. Through the setting of the suction air pump 6 and the air net 9, when in use, the suction air pump 6 sucks dust from the feed bucket 1, which can effectively reduce the diffusion of dust in the working area, and can provide a relatively clean working environment for the workers, reducing the risk of occupational diseases.

[0026] Further, a group of connecting columns 11 and universal wheels 13 are arranged at four corners of the displacement frame 12, the support frame 4, the bearing plate 5, the total support frame 10 and the displacement frame 12 constitute a fixed structure, and each module is fixed. Through the setting of the connecting column 11 and the universal wheel 13, when in use, the setting of the universal wheel 13 enables the device to have the function of moving, which facilitates the workers to move the device to the appropriate working position, and the layout of the four universal wheels 13 helps to accurately control the moving direction of the device, so that the positioning is more accurate, thereby better docking with other waste tire processing equipment, improving the efficiency of the whole processing process.

[0027] Further, the filter screen 1402 can be slid out from the lower surface of the screening box 1401, and the user can select and install a suitable filter screen for screening processing according to needs. The hinge 1403 is provided symmetrically on the left and right sides of the surface of the screening box 1401, and the push door 1404 is rotated through the hinge 1403. Through the arrangement of the filter screen 1402 and the screening box 1401, the user can select a suitable filter screen according to the specific situation of the waste tire during use. This flexibility can better adapt to different working scenes and process requirements, and optimize the screening effect.

[0028] Further, the support table 1406 is fixedly connected to the upper surface of the bearing plate 5, and the air suction pump 6 cooperates with the electric push rod 1405. The air suction pump 6 sucks the tire fragments to the upper surface of the filter screen 1402, and then the electric push rod 1405 can push the larger tire fragments to the discharge port, so that the small tire fragments falling into the feeding barrel 1. Through the arrangement of the air suction pump 6 and the electric push rod 1405, the tire fragments can be effectively screened and pretreated during use, and the smaller old tire fragments are screened out, which helps to improve the efficiency and product quality of thermal cracking, such as improving the yield and quality of cracking oil, and improving the generation quality of carbon black.

[0029] Further, the driven shaft 1414 is provided with two groups, one group is provided on the other side of the main shaft 1409 symmetrically with the decomposition box, and the other group is provided below the two symmetric faces. The three are distributed in an isosceles triangle. The outer surfaces of the main shaft 1409 and the driven shaft 1414 are provided with a plurality of decomposition knives 1410. Each group of decomposition knives 1410 is centered on the central axis of the main shaft 1409 or the driven shaft 1414, and each group of decomposition knives 1410 is provided with a plurality of blades at equal intervals. In use, such a layout greatly increases the contact area of the decomposition knife 1410 with the waste tire during rotation, and multiple cutting tools work simultaneously to cut and decompose the waste tire in a large area in a short time, thereby improving the crushing efficiency and allowing the waste tire to be decomposed into smaller fragments more quickly to meet the processing speed requirements of the continuous feeding device.

[0030] Further, the main shaft 1409 and the driven shaft 1414 are each provided with a group of bearings 1411 at the two ends. The main shaft 1409 drives the driven shaft 1414 to rotate through the rotating connection box 1413. Through the arrangement of the bearings 1411, the bearings 1411 can effectively reduce such vibration and deviation during high-speed rotation of the shaft, ensure stable rotation of the shaft, and make the entire crushing process more stable, which is conducive to improving the crushing efficiency and quality.

[0031] Working principle: the device keeps overall stability through the fixed structure composed of the support frame 4, the bearing plate 5, the total support frame 10, the connecting column 11 and the displacement frame 12, the universal wheel 13 below the displacement frame 12 facilitates the device to move to a suitable position for work, according to the size of the tire fragments to be screened, the appropriate filter screen 1402 is selected and installed on the side surface of the screening box 1401, so that it can slide below the screening box 1401, the waste tire is put into the decomposition box 1412, the motor 1408 is started, the motor 1408 drives the multiple groups of decomposition knives 1410 on the outer surface of the main rotating shaft 1409 to rotate, the bearings 1411 at both ends of the main rotating shaft 1409 ensure the stable rotation of the main rotating shaft 1409, at the same time, the two groups of driven rotating shafts 1414 are driven to rotate through the rotating connecting box 1413, the decomposed tire fragments and dust fall into the screening box 1401, the suction air pump 6 is started, the dust is sucked from the feeding barrel 1, the air net 9 can filter the tire fragments, so that the dust enters the cavity inside the suction air pump 6, avoiding the dust to float everywhere, at the same time, the filter screen 1402 connected to the side of the screening box 1401 screens the tire fragments, the smaller fragments fall into the feeding hopper 3 below through the filter screen 1402, while the larger fragments remain on the filter screen 1402, the electric push rod 1405 is installed on the side of the screening box 1401 and can slide, it is fixed below the support table 1406, the electric push rod 1405 is connected with the motor 1408 through the connecting block 1407, the electric push rod 1405 is started, the larger tire fragments remaining on the filter screen 1402 are pushed to the pushing door 1404, since the pushing door 1404 is connected to the side of the screening box 1401 through the hinge 1403 and can rotate to open, it is convenient to push the larger tire fragments out of the discharge port, so as to ensure that the materials falling into the feeding barrel 1 are small tire fragments, the device sucks the dust from the feeding barrel 1 through the suction air pump 6, the air net 9 can filter the tire fragments, so that the dust enters the cavity inside the suction air pump 6, avoiding the dust to float everywhere, greatly improving the air quality of the working place, and in combination with the operation of the electric push rod 1405 to push the larger fragments out of the discharge port, the larger tire fragments can be effectively avoided to enter the subsequent feeder and other equipment, so as to prevent the blockage phenomenon in the inside of these equipment, ensuring the smooth operation of the feeding device and improving the working efficiency of the whole waste tire thermal cracking system, wherein the model of the motor 1408 is YE2-132S-4.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waste tire thermal pyrolysis feeding device comprising a feeding bucket (1), characterized in that: The side surface of the feeding barrel (1) is slidably connected with a barrel cover (2), the upper surface of the feeding barrel (1) is fixedly connected with a feeding hopper (3), the lower surface of the feeding barrel (1) is fixedly connected with a support frame (4), the upper surface of the support frame (4) is fixedly connected with a bearing plate (5), the upper surface of the bearing plate (5) is fixedly connected with a suction air pump (6), the side surface of the suction air pump (6) is fixedly connected with a switch (7), the side surface of the suction air pump (6) is fixedly connected with an air pipe (8), the side surface of the air pipe (8) is fixedly connected with an air net (9), the lower surface of the support frame (4) is fixedly connected with a total support frame (10), the lower surface of the total support frame (10) is fixedly connected with a connecting column (11), the lower surface of the connecting column (11) is fixedly connected with a displacement frame (12), the lower surface of the displacement frame (12) is fixedly connected with a universal wheel (13), and the upper surface of the feeding hopper (3) is provided with a decomposition screening mechanism (14). The decomposition screening mechanism (14) comprises a screening box (1401), a filter screen (1402), a hinge (1403), a pushing door (1404), an electric push rod (1405), a supporting table (1406), a connecting block (1407), a motor (1408), a main rotating shaft (1409), a decomposition knife (1410), a bearing (1411), a decomposition box (1412), a rotating connecting box (1413) and a driven rotating shaft (1414), the upper surface of the feeding hopper (3) is fixedly connected with the screening box (1401), the side surface of the screening box (1401) is slidably connected with the filter screen (1402), the side surface of the screening box (1401) is fixedly connected with the hinge (1403), the side surface of the hinge (1403) is fixedly connected with the pushing door (1404), the side surface of the screening box (1401) is slidably connected with the electric push rod (1405), the lower surface of the electric push rod (1405) is fixedly connected with the supporting table (1406), the upper surface of the electric push rod (1405) is fixedly connected with the connecting block (1407), the upper surface of the connecting block (1407) is fixedly connected with the motor (1408), the side surface of the motor (1408) is fixedly connected with the main rotating shaft (1409), the outer side surface of the main rotating shaft (1409) is provided with the decomposition knife (1410), the side surface of the main rotating shaft (1409) is provided with the bearing (1411), the outer side surface of the bearing (1411) is fixedly connected with the decomposition box (1412), the side surface of the decomposition box (1412) is fixedly connected with the rotating connecting box (1413), and the side surface of the rotating connecting box (1413) is rotatably connected with the driven rotating shaft (1414).

2. The device for feeding waste tire into thermal pyrolysis according to claim 1, characterized in that: The suction air pump (6) is arranged on one side of the feeding barrel (1), and after the switch (7) is opened, the suction air pump (6) sucks dust from the feeding barrel (1), and the air net (9) can filter tire fragments so that the dust enters the cavity of the suction air pump (6).

3. The device for feeding waste tire into a thermal cracking system according to claim 1, wherein: The connecting columns (11) and universal wheels (13) are arranged in groups at four corners of the displacement frame (12), and the support frame (4), the bearing plate (5), the total support frame (10) and the displacement frame (12) constitute a fixed structure to fix the modules.

4. The device for feeding waste tire into thermal pyrolysis according to claim 1, characterized in that: The filter screen (1402) can be slid out from the lower surface of the screening box (1401), the hinges (1403) are arranged in two groups on the left and right sides of the surface of the screening box (1401), and the material pushing door (1404) is rotated through the hinges (1403).

5. The device for feeding waste tire into thermal pyrolysis according to claim 1, characterized in that: The support table (1406) is fixedly connected to the upper surface of the bearing plate (5), the suction air pump (6) cooperates with the electric push rod (1405), the suction air pump (6) sucks the tire fragments to the upper surface of the filter screen (1402), then the electric push rod (1405) pushes the material, the material larger than the pore size of the filter screen (1402) is isolated above the filter screen (1402), and the material smaller than the pore size of the filter screen (1402) falls into the feeding barrel (1).

6. The device for feeding waste tire into thermal pyrolysis according to claim 1, characterized in that: The driven shaft (1414) is arranged in two groups, one group is arranged on the other side of the main shaft (1409) symmetrically with the decomposition box (1412), and the other group is arranged below the two groups of symmetrical surfaces, and the three are distributed in an isosceles triangle shape, the outer surfaces of the main shaft (1409) and the driven shaft (1414) are provided with a plurality of groups of decomposition knives (1410), each group of decomposition knives (1410) is centered on the central axis of the main shaft (1409) or the driven shaft (1414), and each group of decomposition knives (1410) is provided with a plurality of blades at equal intervals.

7. The device for feeding waste tire into thermal pyrolysis according to claim 1, characterized in that: The two ends of the main shaft (1409) and the driven shaft (1414) are each provided with a group of bearings (1411), and the main shaft (1409) drives the driven shaft (1414) to rotate through the rotary connection box (1413).