Continuous waste tire microwave cracking equipment

Abstract

The utility model relates to the technical field of cracking equipment, and discloses continuous waste tire microwave cracking equipment which comprises a cracking box, the middle of the left end of the cracking box is communicated and fixedly connected with a feeding cylinder, and a spiral conveying rod is rotatably mounted in the feeding cylinder; the middle of the upper end of the spiral conveying rod communicates with and is fixedly provided with a feeding hopper, a rotating cylinder is rotationally installed in the middle of the interior of the feeding hopper, sealing concave plates are fixedly installed on the front inner wall and the rear inner wall of the feeding hopper correspondingly, a material groove is formed in the upper end of the rotating cylinder, the spiral conveying rod is designed to be hollow, and smoke holes are evenly distributed in the spiral conveying rod. Leakage-proof nets are arranged in the positions, inside the smoke holes, of the spiral conveying rod. According to the feeding device for the waste tires, continuous and stable feeding of the waste tires is achieved, efficient sealing in the feeding process is ensured through close fit between the sealing concave plate and the feeding barrel, and the product quality is improved by ingeniously utilizing high-temperature oil smoke generated in the cracking process.

Description

TECHNICAL FIELD

[0001] The utility model relates to pyrolysis equipment technical field especially relates to a continuous waste tire microwave pyrolysis equipment. BACKGROUND

[0002] With the rapid development of automobile industry, the number of waste tires is growing. If the waste tires are not properly treated, not only a large amount of land resources are occupied, but also the environment is seriously polluted. Therefore, how to efficiently and environmentally treat waste tires has become a problem to be solved.

[0003] At present, microwave pyrolysis technology as a new method of waste tire treatment, because of its high pyrolysis efficiency, high value-added products, small environmental pollution and other advantages and attention. However, the existing waste tire microwave pyrolysis equipment still has some deficiencies in practical application.

[0004] On the one hand, the feeding process is not continuous and stable. Many devices use traditional manual feeding or intermittent feeding method, which not only is low in efficiency, but also is easy to appear uneven feeding, resulting in poor pyrolysis reaction effect. At the same time, in the feeding process, due to the lack of effective sealing measures, the toxic and harmful gas such as oil smoke generated subsequently is easy to leak, which causes harm to the health of the operator and the environment.

[0005] On the other hand, the existing equipment is easy to appear the problem of blockage when treating waste. The crushing degree, humidity and other factors of waste may cause blockage in the conveying process, thereby affecting the orderly progress of the whole processing process, increasing the maintenance cost and downtime of the equipment.

[0006] In addition, the high temperature oil smoke generated in the pyrolysis process is not treated reasonably. Part of the equipment fails to make full use of the waste heat of oil smoke, causing energy waste, and also fails to effectively recycle the oil smoke, resulting in the utilization rate and quality of the pyrolysis products to be improved. UTILITY MODEL CONTENT

[0007] In view of the deficiencies of the prior art, the utility model provides a continuous waste tire microwave pyrolysis equipment, which has the advantages of continuous feeding, avoiding blockage, effectively treating high temperature oil smoke and improving pyrolysis efficiency and product quality, and solves some problems in the background art.

[0008] The utility model provides following technical scheme: a kind of continuous waste tyre microwave pyrolysis equipment, including pyrolysis box, the left end middle part of the pyrolysis box is connected with and is fixedly connected with feed cylinder, the inside rotation of the feed cylinder is equipped with spiral conveying rod, the upper end middle part of the spiral conveying rod is connected with and is fixedly installed with feed hopper, the inside middle part of the feed hopper is rotatably installed with rotating drum, the front and rear inner wall of the feed hopper is fixedly installed with sealing concave plate, the sealing concave plate is attached between the rotating drum, the upper end of the rotating drum is provided with trough, the spiral conveying rod is hollow design and it is provided with evenly distributed smoke hole, the spiral conveying rod is provided with leakage-proof net inside the smoke hole.

[0009] Further, the left end of the rotating drum is fixedly connected with a rotating shaft, a speed reducer motor is fixedly installed on the left side of the feed cylinder, the left end of the spiral conveying rod penetrates the feed cylinder and is fixedly connected with the speed reducer motor, a pulley transmission assembly is provided between the outer side of the spiral conveying rod and the rotating shaft between the feed cylinder and the speed reducer motor, the spiral conveying rod is drivingly connected between the pulley transmission assembly and the rotating shaft, which reduces energy consumption and improves the use efficiency of the speed reducer motor.

[0010] Further, the upper end of the feed hopper is fixedly connected with a storage bin, and the front end of the storage bin is provided with a charging port near the upper side. During the continuous pyrolysis process, sufficient storage is ensured for automatic and continuous charging operation.

[0011] Further, the right end middle part of the pyrolysis box is connected with a buffer tank through a pipeline, the upper end middle part of the buffer tank is fixedly installed with a T-shaped pipe, the upper end of the T-shaped pipe is fixedly connected with a reflux pipe, and the oil fume that has not been fully pyrolyzed is reintroduced into the equipment for recycling and reprocessing operation.

[0012] Further, a sealing bearing is fixedly installed in the other port of the reflux pipe, and the reflux pipe is rotatably connected with the left end of the spiral conveying rod through the sealing bearing and is in communication, that is, the sealing bearing is used to avoid oil fume leakage at the connection, and the spiral conveying rod will not be hindered by the reflux pipe when rotating.

[0013] Further, the T-shaped pipe is provided with an intelligent valve near the upper port and the right port, and the right end of the T-shaped pipe is fixedly installed with a separation equipment. The separation equipment is used for automatically separating the oil fume produced by the fully pyrolyzed reaction, and this technology is relatively mature at present, so it is not described here.

[0014] The utility model has the following effects:

[0015] 1. The utility model discloses a spiral feed rod is rotated through the reduction motor drive, and the rotation of the rotation shaft is made through the pulley transmission assembly and is further driven the rotary drum rotation, when the trough on the rotary drum rotates, can realize the continuous falling of the waste in the storage bin into the feeding cylinder and finally into the cracking box, reaches the continuous feeding, simultaneously, cooperation sealed concave board's design makes the feeding cylinder inside and the feeding hopper between always keep sealed state, effectively avoided the leakage of the toxic and harmful gas such as oil fume produced subsequently, in addition, this design structure is simple and ingenious, avoided the possible jam situation in the feeding process, guaranteed the orderly of processing process, and through the transmission design between structure reduced the use energy consumption and cost.

[0016] 2. The high temperature oil fume produced in the cracking process enters the buffer tank, when the target product content in the cracking gas is not up to the standard or is in the increasing state through the integrated sensing device monitoring, the oil fume enters the spiral feed rod inside through the reflux pipe, and the waste material of conveying state is preheated through the smoke hole, improves the cracking efficiency and quality of the waste material in the cracking box, and moreover these oil fumes will finally enter the cracking box again and participate in the microwave cracking treatment, carry out the sufficient cracking reaction, improve the utilization rate and quality of the cracking product, when the target product concentration in the cracking gas reaches stable or no longer increases significantly, can introduce the oil fume into the separation equipment and carries out the final product separation and collection. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0018] Fig. 2 It is the local structure schematic diagram of the utility model;

[0019] Fig. 3 It is the local sectional structure schematic diagram of the utility model.

[0020] In the drawing: 1, cracking box;2, feeding cylinder;3, spiral feed rod;4, feeding hopper;5, rotary drum;6, sealed concave board;7, trough;8, rotation shaft;9, pulley transmission assembly;10, reduction motor;11, storage bin;12, feeding port;13, buffer tank;14, T type pipe;15, reflux pipe;16, sealed bearing;17, smoke hole;18, leakage prevention net;19, intelligent valve;20, separation equipment. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] See Figs. 1-3The utility model provides a kind of continuous waste tire microwave pyrolysis equipment, including cracking box 1, the left end of cracking box 1 middle part is connected and is fixedly connected with feed cylinder 2, rotatingly installed with spiral feeding rod 3 in the inside of feed cylinder 2, the upper end middle part of spiral feeding rod 3 is connected and is fixedly installed with feed hopper 4, rotatingly installed with rotary drum 5 in the inside middle part of feed hopper 4, feed hopper 4's front and back inner wall is fixedly installed with sealing concave plate 6, sealing concave plate 6 and rotary drum 5 are pasted, the upper end of rotary drum 5 is provided with trough 7, spiral feeding rod 3 is hollow design and its upper is provided with evenly distributed smoke hole 17, spiral feeding rod 3 is provided with leakage-proof net 18 in the inside of smoke hole 17, rotary drum 5's left end is fixedly connected with rotating shaft 8, feed cylinder 2's left side position is fixedly installed with speed reducer 10, the left end of spiral feeding rod 3 is fixedly connected between feed cylinder 2 and speed reducer 10, the outside of spiral feeding rod 3 is provided with pulley transmission assembly 9 between feed cylinder 2 and speed reducer 10 and between rotating shaft 8, spiral feeding rod 3 is drivingly connected between pulley transmission assembly 9 and rotating shaft 8, the upper end of feed hopper 4 is fixedly connected with storage bin 11, the front end of storage bin 11 is provided with feeding opening 12 at near upper side, first, waste tire waste material crushed into powder is poured into the inside of storage bin 11 through feeding opening 12, when using, by opening speed reducer 10 can make it drive spiral feeding rod 3 rotation, and spiral feeding rod 3 rotation can make rotating shaft 8 rotate by pulley transmission assembly 9, rotating shaft 8 rotation can drive rotary drum 5 rotation, when the trough 7 on rotary drum 5 is at upper side, can make the waste material in storage bin 11 fall into its inside, when rotary drum 5 rotation makes trough 7 rotate to lower side, can make the waste material in its inside fall into the inside of feed cylinder 2, in this process, cooperate the design of sealing concave plate 6 can make the inside of feed cylinder 2 and feed hopper 4 always keep sealed state, effectively avoid the leakage of subsequent generated oil fume and other toxic and harmful gas, simple and ingenious structure not only realizes continuous feeding, simultaneously avoids the possible jamming in the process of feeding, guarantees the orderly progress of processing process, and the transmission design between structure reduces the use energy consumption and cost, further, under the rotation of spiral feeding rod 3 ultimately can make waste material enter the inside of cracking box 1, by opening cracking box 1 can carry out microwave pyrolysis operation to the waste material in its inside, worth mentioning, the right end of spiral feeding rod 3 is connected with turnover mechanism in cracking box 1, so that waste material can be uniformly pyrolyzed, high-temperature oil fume will be generated in the process of pyrolysis, these oil fume will enter the inside of buffer tank 13, by integrating sensing device for monitoring the concentration and temperature of pyrolysis gas on buffer tank 13, when the target product content in pyrolysis gas does not reach the standard or is in increasing state, by opening intelligent valve 19 on the upper end of T-shaped pipe 14, these oil fume can enter the inside of spiral feeding rod 3 through backflow pipe 15, then come out to the outside through smoke hole 17, by leakage-proof net 18 can avoid waste material to enter the inside of spiral feeding rod 3, so that it can be preheated to the waste material in conveying state by its high temperature,Further improve its in the cracking box 1 in the cracking efficiency and quality, while these oil fume will eventually re-enter into the cracking box 1 inside participate in microwave cracking processing, carry out the full cracking reaction, improve the utilization and product quality.

[0023] Please refer to Figs. 1-3 The right end of the cracking box 1 is connected with a buffer tank 13 through a pipeline, the upper end of the buffer tank 13 is fixedly installed with a T-shaped pipe 14, the upper end of the T-shaped pipe 14 is fixedly connected with a backflow pipe 15, the other end of the backflow pipe 15 is fixedly installed with a sealing bearing 16, the backflow pipe 15 is rotatably connected with the left end of the spiral conveying rod 3 through the sealing bearing 16 and communicates with each other, the T-shaped pipe 14 is provided with intelligent valves 19 near the upper end and the right end, the right end of the T-shaped pipe 14 is fixedly installed with a separation equipment 20, when the concentration of the target product in the cracking gas collected in the buffer tank 13 reaches stable or is not significantly increased, the intelligent valve 19 on the upper side of the T-shaped pipe 14 is closed and the intelligent valve 19 at the right end position is opened, so that the oil fume generated by the cracking reaction can enter into the separation equipment 20 to carry out the final product separation and collection operation.

[0024] Working principle: in use, by opening the reduction motor 10 can make it drive screw feed rod 3 rotation, and screw feed rod 3 rotation can be through the pulley transmission assembly 9 makes the rotating shaft 8 rotation, through the rotating shaft 8 rotation can drive rotary drum 5 rotation, when the rotary drum 5 on the trough 7 is in the upper side can make the waste in the storage bin 11 fall into its inside, when rotary drum 5 rotation makes trough 7 rotation to the lower side can make its inside waste fall into the inside of the feeding cylinder 2, in this process, cooperate with the design of sealing concave plate 6 can make the inside of feeding cylinder 2 and feeding hopper 4 always keep sealed state, further, under the rotation of screw feed rod 3 drive finally can make the waste into the inside of the cracking box 1, by opening the cracking box 1 can carry out microwave cracking operation to its inside waste, cracking process will produce high temperature oil fume, these oil fume will enter into the inside of buffer tank 13, through the integration for monitoring cracking gas concentration and temperature sensor device on buffer tank 13, when the target product content in cracking gas does not reach the standard or is in the increasing state, by opening the intelligent valve 19 on the upper end of T type pipe 14 can make these oil fume enter into the inside of screw feed rod 3 through the backflow pipe 15, then through the smoke hole 17 to the outside, through the leakage prevention net 18 can avoid the waste into the inside of screw feed rod 3, so as to utilize its high temperature can carry out preheating treatment to the conveying state waste, at the same time these oil fume will finally enter into the inside of cracking box 1 again participate in microwave cracking treatment, when detecting the concentration of target product in cracking gas collected in buffer tank 13 reaches stable or is not in significant increase, close the intelligent valve 19 on the upper side of T type pipe 14 and open the intelligent valve 19 at the right end position, so that the oil fume produced by cracking reaction enters into the separation equipment 20 for final product separation and collection operation.

Claims

1. A continuous waste tire microwave pyrolysis apparatus comprising a pyrolysis box (1), characterized by: The left end of the cracking box (1) is connected with the feeding cylinder (2), the inside of the feeding cylinder (2) is rotatably connected with the spiral feeding rod (3), the upper end of the spiral feeding rod (3) is connected with the feeding hopper (4), the inside of the feeding hopper (4) is rotatably connected with the rotating drum (5), the front and rear inner walls of the feeding hopper (4) are fixedly connected with the sealing concave plate (6), the sealing concave plate (6) is attached to the rotating drum (5), the upper end of the rotating drum (5) is provided with the trough (7), the spiral feeding rod (3) is hollow and is provided with the uniformly distributed smoke hole (17), the inside of the smoke hole (17) is provided with the leakage-proof net (18).

2. A continuous waste tire microwave pyrolysis apparatus according to claim 1, characterized in that: The left end of the rotating drum (5) is fixedly connected with the rotating shaft (8), the left side of the feeding cylinder (2) is fixedly connected with the speed reducer (10), the left end of the spiral feeding rod (3) penetrates the feeding cylinder (2) and is fixedly connected with the speed reducer (10), the outside of the spiral feeding rod (3) is provided with the pulley transmission assembly (9) between the feeding cylinder (2) and the speed reducer (10) and the rotating shaft (8), the spiral feeding rod (3) is drivingly connected between the pulley transmission assembly (9) and the rotating shaft (8).

3. A continuous waste tire microwave pyrolysis apparatus as claimed in claim 1, wherein: The upper end of the feeding hopper (4) is fixedly connected with the storage bin (11), the front end of the storage bin (11) is provided with the feeding opening (12) near the upper side.

4. A continuous waste tire microwave pyrolysis apparatus as claimed in claim 1, wherein: The right end of the cracking box (1) is connected with the buffer tank (13) through the pipeline, the upper end of the buffer tank (13) is fixedly connected with the T-shaped pipe (14), the upper end of the T-shaped pipe (14) is fixedly connected with the return pipe (15).

5. A continuous waste tire microwave pyrolysis apparatus as claimed in claim 4, wherein: The other end of the return pipe (15) is fixedly connected with the sealing bearing (16), the return pipe (15) is rotatably connected with the left end of the spiral feeding rod (3) through the sealing bearing (16) and is connected.

6. A continuous waste tire microwave pyrolysis apparatus as claimed in claim 4, wherein: The T-shaped pipe (14) is provided with the intelligent valve (19) near the upper port and the right port, the right end of the T-shaped pipe (14) is fixedly connected with the separation equipment (20).

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