Multi-kettle series-connection waste rubber and plastic pyrolysis equipment

Abstract

The utility model provides waste rubber and plastic pyrolysis equipment with multiple serially-connected kettles, which belongs to the technical field of waste rubber and plastic pyrolysis and comprises at least two pyrolysis reaction kettles, the pyrolysis reaction kettles are connected in series side by side and have the same volume, and the rotation directions of the two connected pyrolysis reaction kettles are opposite; the pyrolysis reaction kettles are connected through the discharging and feeding device; the heating device is used for providing heat for each pyrolytic reaction kettle and comprises an electromagnetic heating coil wound outside the kettle body of the pyrolytic reaction kettle; the fixed cover is sleeved outside the electromagnetic heating coil; and the control cabinet is electrically connected with the electromagnetic heating coil. The waste rubber and plastic pyrolysis equipment solves the technical problems that existing waste rubber and plastic pyrolysis equipment is low in pyrolysis efficiency and poor in heating uniformity, and has the advantages of being high in pyrolysis efficiency and good in pyrolysis effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waste rubber and plastic pyrolysis technical field especially relates to a kind of multi-kettle series waste rubber and plastic pyrolysis equipment. BACKGROUND

[0002] Waste tire thermal cracking refers to the irreversible thermochemical reaction of organic matter in waste tire under the atmosphere of no oxygen or oxygen deficiency, using high temperature to make volatile products escape and form solid coke. In the process of incomplete thermal degradation, gas, liquid and solid products can be formed, and this method can completely crack waste tires into pyrolysis oil, pyrolysis carbon black and pyrolysis non-condensable gas and other useful products. However, the existing waste rubber and plastic pyrolysis equipment still has the problems of low pyrolysis efficiency and poor heating uniformity. SUMMARY

[0003] The details of one or more embodiments of the utility model are presented in the following drawings and description, so that other features, purposes and advantages of the present application are more concise and easy to understand.

[0004] The utility model provides a kind of multi-kettle series waste rubber and plastic pyrolysis equipment, solve the technical problems that the existing waste rubber and plastic pyrolysis equipment still has low pyrolysis efficiency and poor heating uniformity, with the characteristics of high pyrolysis efficiency and good pyrolysis effect.

[0005] The utility model discloses a kind of multi-kettle series waste rubber and plastic pyrolysis equipment, comprising: at least 2 pyrolysis reactors, each pyrolysis reactor is connected in parallel and is connected in series, volume is identical, and the rotation direction of the two pyrolysis reactors connected is opposite;Out feed device, each pyrolysis reactor is connected by the out feed device;Heating device, for providing heat to each pyrolysis reactor, including: electromagnetic heating coil, is wound on the kettle body outside of pyrolysis reactor;Fixed cover, is sleeved in the electromagnetic heating coil outside;Control cabinet, with the electromagnetic heating coil electric connection.

[0006] In some embodiments, the pyrolysis reactor includes a first pyrolysis reactor and a second pyrolysis reactor;The out feed device includes: a first axial force outfeed screw, which is arranged axially parallel to the first pyrolysis reactor, and the feed inlet is connected to the discharge port of the first pyrolysis reactor;A first radial force outfeed screw is arranged radially parallel to the first pyrolysis reactor, and the feed inlet is connected to the discharge port of the first axial force outfeed screw;A second axial force outfeed screw is arranged axially parallel to the second pyrolysis reactor, and the feed inlet is connected to the discharge port of the first radial force outfeed screw.

[0007] In some of the embodiments, the pyrolysis reactor is an outer-rotating type; a front sealing cabin is movably and fixedly connected to the feeding end of the pyrolysis reactor, and a rear sealing cabin is movably and fixedly connected to the discharging end of the pyrolysis reactor; the feeding port of the pyrolysis reactor is arranged on the front sealing cabin, and the discharging port of the pyrolysis reactor is arranged on the rear sealing cabin.

[0008] In some of the embodiments, the feeding port of the pyrolysis reactor is arranged at the middle part of the front sealing cabin, and the discharging port of the pyrolysis reactor is arranged at the lower part of the rear sealing cabin.

[0009] In some of the embodiments, the feeding end of the pyrolysis reactor penetrates into the front sealing cabin, and a front movable and fixed sealing sleeve is arranged between the pyrolysis reactor and the front sealing cabin; the discharging end of the pyrolysis reactor penetrates into the rear sealing cabin, and a rear movable and fixed sealing sleeve is arranged between the pyrolysis reactor and the rear sealing cabin.

[0010] In some of the embodiments, helical blades are arranged on the inner side of the pyrolysis reactor.

[0011] In some of the embodiments, the multi-reactor series waste rubber and plastic pyrolysis device further comprises a feeding buffer bin and a raking screw conveyor arranged below the discharging port of the feeding buffer bin.

[0012] In some of the embodiments, the multi-reactor series waste rubber and plastic pyrolysis device further comprises a metering belt scale connected to the discharging port of the raking screw conveyor, and a self-sealing feeding screw connected to the metering belt scale, and the discharging port of the self-sealing feeding screw is connected to the feeding port of the pyrolysis reactor.

[0013] In some of the embodiments, the multi-reactor series waste rubber and plastic pyrolysis device further comprises a U-shaped water-cooled discharging screw conveyor connected to the discharging port of the pyrolysis reactor.

[0014] In some of the embodiments, the U-shaped water-cooled discharging screw conveyor comprises a first U-shaped water-cooled discharging screw conveyor and a second U-shaped water-cooled discharging screw conveyor connected in sequence.

[0015] Compared with the prior art, the multi-reactor series waste rubber and plastic pyrolysis device has the following beneficial effects:

[0016] This utility model provides a multi-tank series waste rubber and plastic pyrolysis equipment. By limiting the setting method, rotation direction and volume of the pyrolysis reactors, it is beneficial to reduce the floor space occupied by the series-connected pyrolysis reactors. On the other hand, the series connection of multiple reactors can realize continuous polymerization reaction, and the volume of each reactor is equal. The change in material density during the polymerization reaction can be ignored, which is a constant volume process. The space time (average residence time) of each material in the reactor is equal. Each reactor conforms to the fully mixed flow model and operates under isothermal steady state. The use of electromagnetic heating avoids open flame and high temperature, reduces the risk of fire and burns, and improves production safety. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the multi-tank series waste rubber and plastic pyrolysis equipment provided in this embodiment of the utility model;

[0019] Figure 2 This is another structural schematic diagram of the multi-tank series waste rubber and plastic pyrolysis equipment provided in this embodiment of the utility model;

[0020] In the above figures: 101, First pyrolysis reactor; 102, Second pyrolysis reactor; 201, First axial relay discharge screw conveyor; 202, First radial relay discharge screw conveyor; 203, Second axial relay discharge screw conveyor; 301, Electromagnetic heating coil; 302, Fixed cover; 303, Control cabinet; 4, Feed buffer silo; 5, Feeding screw conveyor; 6, Metering belt scale; 7, Self-sealing feeding screw conveyor; 801, Primary U-shaped water-cooled slag discharge screw conveyor; 802, Secondary U-shaped water-cooled slag discharge screw conveyor. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be described and explained below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments provided by this utility model without inventive effort are within the scope of protection of this utility model.

[0022] This utility model embodiment provides a multi-tank series waste rubber and plastic pyrolysis equipment. Figure 1 , 2 This is a schematic diagram of a multi-tank series waste rubber and plastic pyrolysis equipment according to an embodiment of the present invention. (Reference) Figure 1 ,2 As shown, the multi-kettle series waste rubber and plastic pyrolysis equipment comprises: at least two pyrolysis kettles, each pyrolysis kettle is connected in parallel and series, has the same volume, and the rotation directions of the two connected pyrolysis kettles are opposite; an in-out feeding device for sealingly conveying the material output from one pyrolysis kettle to another pyrolysis kettle for pyrolysis, each pyrolysis kettle is connected through the in-out feeding device; a heating device for providing heat to each pyrolysis kettle, comprising: an electromagnetic heating coil 301 wound outside the kettle body of the pyrolysis kettle; a fixed cover 302 sleeved outside the electromagnetic heating coil 301; a control cabinet 303 electrically connected with the electromagnetic heating coil 301.

[0023] The above multi-kettle series waste rubber and plastic pyrolysis equipment limits the setting mode, rotation direction and volume of the pyrolysis kettle, which on the one hand helps to reduce the floor area of the series multi-pyrolysis kettle, and on the other hand the multi-kettle series can realize continuous polymerization reaction, the volume of each kettle is equal, the polymerization reaction process can ignore the change of material density, it is a constant volume process, the space-time (average residence time) of each material in the kettle is equal, each kettle meets the complete mixing flow model, and it is operated under isothermal steady state, electromagnetic heating is used to avoid open fire and high temperature, reduce the risk of fire and scald, and improve the production safety.

[0024] Further, the pyrolysis kettle comprises a first pyrolysis kettle 101 and a second pyrolysis kettle 102; the in-out feeding device comprises: a first axial auxiliary discharge screw 201 arranged axially parallel to the first pyrolysis kettle 101, a feeding port connected with a discharge port of the first pyrolysis kettle 101; a first radial auxiliary discharge screw 202 arranged radially parallel to the first pyrolysis kettle 101, a feeding port connected with a discharge port of the first axial auxiliary discharge screw 201; a second axial auxiliary discharge screw 203 arranged axially parallel to the second pyrolysis kettle 102, a feeding port connected with a discharge port of the first radial auxiliary discharge screw 202. By limiting the structure of the in-out feeding device, it is ensured that the material output from the pyrolysis kettle and the material input into the pyrolysis kettle can be output or input into the pyrolysis kettle along the direction of movement in the pyrolysis kettle, ensuring smooth transmission of the material between the pyrolysis kettles, and at the same time, by arranging the radial auxiliary discharge screw, the two pyrolysis kettles are connected while the compactness of the equipment is ensured.

[0025] In some embodiments, the pyrolysis reactor is an outer rotating type; the feed end of the pyrolysis reactor is connected with a front sealing cabin through dynamic and static sealing, and the discharge end is connected with a rear sealing cabin through dynamic and static sealing; the feed inlet of the pyrolysis reactor is arranged on the front sealing cabin, and the discharge outlet of the pyrolysis reactor is arranged on the rear sealing cabin. Further, the feed inlet of the pyrolysis reactor is arranged at the middle part of the front sealing cabin, and the discharge outlet of the pyrolysis reactor is arranged at the lower part of the rear sealing cabin. In order to realize the conveying of the material in the pyrolysis reactor, the inner side of the reactor body is spirally provided with spiral blades.

[0026] In order to ensure the sealing connection of the dynamic and static connection, the feed end of the pyrolysis reactor is connected with the front sealing cabin, and the front dynamic and static sealing sleeve is arranged between the reactor body and the front sealing cabin; the discharge end of the pyrolysis reactor is connected with the rear sealing cabin, and the rear dynamic and static sealing sleeve is arranged between the reactor body and the rear sealing cabin.

[0027] The above waste rubber and plastic pyrolysis system is composed of multiple pyrolysis reactors, which are connected in series to form a 1# pyrolysis reactor assembly, a 2# pyrolysis reactor assembly, and a 3# pyrolysis reactor assembly, and the operating mode of each is an outer rotating type. The rotating directions of the three groups of pyrolysis reactors are as follows: the 1# pyrolysis reactor rotates clockwise, the 2# pyrolysis reactor rotates counterclockwise, and the 3# pyrolysis reactor rotates clockwise.

[0028] The three groups of reactor bodies are different in that:

[0029] The 1# pyrolysis reactor assembly is provided with a 1# pyrolysis reactor, a 1# front sealing cabin is arranged on the left side of the reactor body, the reactor body passes through the 1# front sealing cabin, a front dynamic and static sealing sleeve is arranged between the reactor body and the 1# front sealing cabin, and an outer gland is used to press tightly to prevent oil vapor leakage. A 1# rear sealing cabin is arranged on the right side of the reactor body, the reactor body passes through the 1# rear sealing cabin, a rear dynamic and static sealing sleeve is arranged between the reactor body and the 1# rear sealing cabin, and an outer gland is used to press tightly to prevent oil vapor leakage.

[0030] The pyrolysis reactor is fed by a self-sealing feed screw 7, the operating direction of the reactor body is clockwise, the entering material is moved from the feed end to the discharge end under the action of the built-in spiral blades in the reactor body, the pyrolyzed material falls into the 1# rear sealing cabin discharge outlet, a 1# axial booster discharge screw is arranged at the discharge outlet, and the output material is transferred to a 1# radial booster discharge screw.

[0031] 2# thermal cracking reactor is arranged in the 2# thermal cracking reactor assembly, a 2# front sealing bin is arranged on the right side of the reactor body, the reactor body passes through the 2# front sealing bin, a front dynamic and static sealing sleeve is arranged between the reactor body and the 2# front sealing bin, and an outer gland is used to press tightly to prevent oil vapor leakage. A 2# rear sealing bin is arranged on the left side of the reactor body, the reactor body passes through the 2# rear sealing bin, a front dynamic and static sealing sleeve is arranged between the reactor body and the 2# rear sealing bin, and an outer gland is used to press tightly to prevent oil vapor leakage. The 2# front sealing bin is provided with a 2# axial force feeding screw, which is connected with the 1# radial force discharging screw, so as to convey the conveyed material into the 2# thermal cracking reactor, and the 2# thermal cracking reactor rotates counterclockwise. Under the action of the spiral blade arranged in the reactor body, the material moves from the feeding end to the 2# rear sealing bin, the pyrolysis material falls into the discharging port of the 2# rear sealing bin, the 2# axial force discharging screw is arranged in the discharging port, and the output material is transmitted to the 2# radial force discharging screw.

[0032] 3# thermal cracking reactor is arranged in the 3# thermal cracking reactor assembly, a 3# front sealing bin is arranged on the left side of the reactor body, the reactor body passes through the 3# front sealing bin, a front dynamic and static sealing sleeve is arranged between the reactor body and the 3# front sealing bin, and an outer gland is used to press tightly to prevent oil vapor leakage. A 3# rear sealing bin is arranged on the right side of the reactor body, the reactor body passes through the 3# rear sealing bin, a front dynamic and static sealing sleeve is arranged between the reactor body and the 3# rear sealing bin, and an outer gland is used to press tightly to prevent oil vapor leakage.

[0033] The 3# front sealing bin is provided with a 3# axial force feeding screw, which is connected with the 2# radial force discharging screw, so as to convey the conveyed material into the 3# thermal cracking reactor, and the 3# thermal cracking reactor rotates clockwise.

[0034] The three groups of reactor bodies have the following common features:

[0035] The first is the transmission device, the transmission devices of the three groups of kettle bodies are arranged at the discharge end of the kettle body, and are driven by the transmission gear arranged on the pyrolysis kettle body and the transmission speed reducer arranged on the base platform. The second is the outer rotary kettle body lifting, the three groups of kettle bodies are provided with left side wheel belts on the left side, which cooperate with the left side supporting wheels arranged on the platform base; the middle part of the kettle body is provided with a middle wheel belt, which cooperates with the middle supporting wheel arranged on the platform base; the right side of the kettle body is provided with a right side wheel belt, which cooperates with the right side supporting wheel arranged on the platform base, and the three groups of supporting wheels jointly lift the kettle body to run. The third is that the pyrolysis kettle is provided with a spiral blade, which can push the material in the kettle from the feeding end to the discharging end according to the different rotation directions of each kettle. The fourth is that the three groups of kettle bodies adopt the electromagnetic heating mode, and the kettle body is divided from the middle wheel belt, and each group of electromagnetic heating line fixed cover 302 is arranged on the left side and the right side, and each group of electromagnetic heating line fixed cover 302 is provided with two groups of electromagnetic heating coils 301, and each group of electromagnetic heating coils 301 is provided with one group of electromagnetic heating control cabinet 303, which provides the heat required for pyrolysis for each kettle.

[0036] In some embodiments, the multi-kettle series waste rubber and plastic pyrolysis equipment further comprises a feeding buffer bin 4 and a raking screw conveyor 5 arranged below the discharge port of the feeding buffer bin 4. Further, the multi-kettle series waste rubber and plastic pyrolysis equipment further comprises a metering belt scale 6 connected to the discharge port of the raking screw conveyor 5, and a self-sealing feeding screw 7 connected to the metering belt scale 6, and the discharge port of the self-sealing feeding screw 7 is connected to the feeding port of the pyrolysis kettle.

[0037] After the waste rubber and plastic is crushed to the particle size required for pyrolysis, it is input into the feeding buffer bin 4 by the conveying device for standby. The feeding port of the feeding buffer bin 4 is arranged at the upper part of the bin body, and a level meter is arranged at the upper part of the bin body of the feeding buffer bin 4, which is interlocked with the external feeding device to control the upper level in the bin. The lower discharge port of the feeding buffer bin 4 is provided with a feeding raking screw conveyor 5 for uniformly feeding the lower automatic metering belt scale 6. The discharge port of the feeding raking screw conveyor 5 is arranged at the lower left side and connected to the feeding port of the automatic metering belt scale 6.

[0038] The automatic metering belt scale 6 is an automatic metering device of the pyrolysis feeding system. The feeding port is vertically arranged on the upper left side of the automatic metering belt scale 6, and the discharging port is arranged on the lower right side of the automatic metering belt scale 6. The discharging port of the automatic metering belt scale 6 is connected with the feeding port of the self-sealing feeding screw 7. The feeding end of the self-sealing feeding screw 7 is provided with a conical cylinder, and the inside of the cylinder is provided with non-equidistant spiral blades. This arrangement can fully extrude the entering material and prevent high-temperature oil vapor from returning during pyrolysis. The left side of the self-sealing feeding screw 7 is provided with a driving device. The feeding port is vertically arranged on the upper left side of the spiral cylinder, and the discharging end is connected with the feeding port of the 1# front sealing bin to send the pyrolysis material into the left cylinder of the 1# pyrolysis reactor.

[0039] In some embodiments, the multi-kettle series waste rubber and plastic pyrolysis equipment further comprises a U-shaped water-cooled slag discharge screw conveyor connected with the discharging port of the pyrolysis reactor. Further, the U-shaped water-cooled slag discharge screw conveyor comprises a first U-shaped water-cooled slag discharge screw conveyor 801 and a second U-shaped water-cooled slag discharge screw conveyor 802 connected in sequence. Specifically, under the action of the spiral blades arranged in the cylinder, the material moves from the feeding end to the discharging end of the 3# rear sealing bin. The pyrolysis material falls into the discharging port of the 3# rear sealing bin. The 3# axial force discharge screw conveyor is arranged at the discharging port. The output carbon residue is transferred to the first U-shaped water-cooled slag discharge screw conveyor 801 and the second U-shaped water-cooled slag discharge screw conveyor 802 which are divided into two stages of water-cooled screw. The output carbon residue is sent to the next process.

[0040] The working process of the above-mentioned multi-kettle series waste rubber and plastic pyrolysis equipment is as follows:

[0041] The waste rubber and plastic enters the first pyrolysis reactor for pyrolysis, and the heating device provides the heat required for pyrolysis of the pyrolysis reactor. The pyrolyzed material enters the next pyrolysis reactor through the feeding and discharging device for pyrolysis. The material realizes continuous polymerization reaction in the multi-kettle series pyrolysis reactor. The volume of each kettle is equal, the polymerization reaction process can ignore the change of material density, and it is a constant volume process. The space-time (average residence time) of each material in the kettle is equal, and each kettle body conforms to the complete mixing flow model. It is operated under isothermal steady state. The use of electromagnetic heating avoids open flame and high temperature, reduces the risk of fire and scald, and improves the production safety.

[0042] The above-mentioned multi-kettle series waste rubber and plastic pyrolysis equipment is a multi-kettle series electromagnetic heating waste rubber and plastic pyrolysis type, which has the following advantages:

[0043] 1. High-efficiency heating capacity doubling: Electromagnetic heating technology generates eddy currents through electromagnetic induction, causing the molecules inside the tire to move rapidly and generate heat. This heating method directly acts on the material, has a fast heating speed and high efficiency. Multiple reaction steps can be integrated in one device through multiple reactor series connection, reducing reaction time and operation steps and significantly improving reaction efficiency.

[0044] 2. Uniform heating and cost savings: Multiple reaction steps can be completed in one device through multiple reactor series connection, reducing the number of devices and floor area compared to using multiple reaction vessels separately, thereby reducing production costs. Electromagnetic heating can heat the inside and outside of the tire simultaneously, avoiding the problem of large temperature difference between the inside and outside in traditional heating methods, and ensuring the uniformity of heating.

[0045] 3. Precise control, energy saving and environmental protection: If an advanced control system is configured simultaneously, precise control of reaction temperature, pressure, flow and other parameters can be achieved, avoiding uncertainty and instability in the reaction process. Electromagnetic heating does not require traditional combustion equipment, reducing fuel consumption and carbon emissions and meeting environmental protection requirements. In addition, almost all the heat generated during electromagnetic heating is used for heating the tire, the energy utilization rate is high, and energy waste is reduced.

[0046] 4. High safety and simple operation: Multiple reactor series connection adopts a closed design, which can avoid leakage of hazardous substances during the reaction process and protect the safety of operators. Electromagnetic heating equipment is simple to operate and has high automation, reducing manual operation and labor intensity.

[0047] 5. Continuous operation and simple structure: Multiple reactor series connection can realize continuous polymerization reaction. The volumes of the reactors are equal, the polymerization reaction process can ignore the change of material density, and it is a constant volume process. The space-time (average residence time) of each reactor is equal, and each reactor meets the complete mixing flow model. It is operated under isothermal steady state. Electromagnetic heating avoids open flames and high temperatures, reducing the risk of fire and burns and improving production safety.

[0048] The technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not contradict, they should be considered as within the scope of the present disclosure.

[0049] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A multi-reactor series waste rubber and plastic pyrolysis apparatus, characterized in that, The application relates to a multi-kettle series waste rubber and plastic pyrolysis equipment. The pyrolysis kettle comprises a first pyrolysis kettle and a second pyrolysis kettle. The feeding and discharging device comprises a first axial force transmission discharging screw, a first radial force transmission discharging screw, and a second axial force transmission discharging screw. The pyrolysis kettle is of an outer rotation type. The feeding end of the pyrolysis kettle is connected with a front sealing bin through dynamic and static sealing, and the discharging end of the pyrolysis kettle is connected with a rear sealing bin through dynamic and static sealing. The feeding port of the pyrolysis kettle is arranged on the middle part of the front sealing bin, and the discharging port of the pyrolysis kettle is arranged on the lower part of the rear sealing bin. The feeding end of the pyrolysis kettle is connected with the front sealing bin, and the discharging end of the pyrolysis kettle is connected with the rear sealing bin.

2. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 1, wherein, The inner side of the kettle body of the pyrolysis kettle is spirally provided with spiral blades. The multi-kettle series waste rubber and plastic pyrolysis equipment further comprises a feeding buffer bin, a discharging screw conveyor arranged below the discharging port of the feeding buffer bin, a metering belt scale connected with the discharging port of the discharging screw conveyor, and a self-sealing feeding screw connected with the metering belt scale and connected with the feeding port of the pyrolysis kettle. The multi-kettle series waste rubber and plastic pyrolysis equipment further comprises a U-shaped water-cooled discharging screw conveyor connected with the discharging port of the pyrolysis kettle. The U-shaped water-cooled discharging screw conveyor comprises a first-stage U-shaped water-cooled discharging screw conveyor and a second-stage U-shaped water-cooled discharging screw conveyor connected in sequence. The first-stage U-shaped water-cooled discharging screw conveyor is connected with the discharging port of the first pyrolysis kettle, and the second-stage U-shaped water-cooled discharging screw conveyor is connected with the discharging port of the second pyrolysis kettle.

3. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 2, wherein, ​ 4. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 3, wherein, ​ 5. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 3, wherein, ​ 6. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 4, wherein, ​ 7. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 1, wherein, ​ 8. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 7, wherein, ​ 9. The multiple reactor in series waste rubber and plastic pyrolysis apparatus of claim 1, wherein, ​ 10. The multiple reactor in series waste rubber and plastic pyrolysis apparatus according to claim 9, wherein, ​

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