Plasma cracking furnace

Abstract

The application relates to the technical field of melting furnaces, and discloses a plasma cracking furnace which comprises a shell, a water outlet pipe is fixedly connected to the inner wall of the shell, a water inlet pipe is fixedly connected to the bottom of the shell, a reduction bin is fixedly connected to the outer wall of the shell, a collecting pipe is fixedly connected to the top of the reduction bin, a connecting pipe one is fixedly connected to the bottom of the reduction bin, an air inlet is fixedly connected to the top of the reduction bin, and the application further comprises a buffer bin which is arranged in the shell and is internally provided with a flow guide mechanism. The application can guide the combustion gas after recycling to the collecting pipe through the backflow pipe, can carry out a reduction reaction on the accumulated carbon in the collecting pipe by using the high temperature generated by cracking in the cracking furnace, can increase the combustible gas concentration, can reduce the accumulated carbon in the collecting pipe, can collect the sufficient combustible gas for combustion and backflow, can carry out secondary combustion, and can fully utilize the combustible gas generated in the cracking furnace.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of melting furnace, in particular to a plasma cracking furnace. BACKGROUND

[0002] With the rapid development of industrialization, garbage disposal conflicts are highlighted, traditional landfill occupies a large amount of land, pollutes soil and groundwater, incineration produces harmful gases, endangers the environment and human health, the discovery of the high temperature characteristics of plasma provides a direction for solving this dilemma, it can decompose waste in an oxygen-free or oxygen-deficient environment, avoid the drawbacks of traditional incineration, and can also recycle resources.

[0003] The patent application with the application number CN201420780511.5 discloses a kind of plasma cracking furnace, belongs to mechanical technical field, it solves the problem of short service life of existing plasma cracking furnace, the present application relates to the technical field of melting furnace, in particular to a plasma cracking furnace., the plasma cracking furnace includes the furnace body with feed inlet and discharge outlet, is equipped with incineration cavity in furnace body, incineration cavity is communicated with feed inlet and discharge outlet, is also provided with gas outlet in communication with incineration cavity on furnace body, the lower part of furnace body is uniformly provided with three plasma generators.

[0004] However, the existing cracking furnace cannot completely crack the solid waste when cracking, resulting in a large amount of impurities remaining in the cracking furnace, causing a large amount of carbon deposition in the recovery pipeline during the recovery process of combustible gas, causing the combustible gas pipeline to be blocked, affecting the efficiency of combustible gas recovery combustion. SUMMARY

[0005] The present application relates to the technical field of melting furnace, in particular to a plasma cracking furnace.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a plasma cracking furnace, comprising a shell, an outlet pipe is fixedly connected to the inner wall of the shell, a water inlet pipe is fixedly connected to the bottom of the shell, a reduction bin is fixedly connected to the outer wall of the shell, a collection pipe is fixedly connected to the top of the reduction bin, a connecting pipe one is fixedly connected to the bottom of the reduction bin, an air inlet is fixedly connected to the top of the reduction bin, a separation bin is fixedly connected to the inner wall of the shell, an electrode is inserted into the shell, and the plasma cracking furnace further comprises:

[0007] A buffer bin is arranged inside the shell, a reflux pipe is fixedly connected to the bottom of the buffer bin, a connecting pipe two is fixedly connected to the top of the buffer bin, a connecting pipe three is fixedly connected to the inner wall of the collection pipe, a partition plate is fixedly connected to the inner wall of the separation bin, a flow guide mechanism is arranged inside the separation bin, activated carbon is added to the reduction bin for adsorbing and filtering collected gas, and the activated carbon also reacts with gas generated after combustion at high temperature, the collection pipe is used for guiding the gas generated by cracking solid waste, the partition plate is used for isolating solid waste and combustible gas, and the air inlet is used for supplementing combustion-supporting gas.

[0008] According to the above technical scheme, one end of the collection pipe away from the reduction bin is fixedly connected with the inner wall of the shell, one end of the connecting pipe away from the reduction bin penetrates the outer wall of the shell and is fixedly connected with the isolation bin, one end of the reflux pipe away from the buffer bin is fixedly connected with the inside of the isolation bin, and the connecting pipe is used for reflux combustion of the gas generated by solid waste cracking.

[0009] According to the above technical scheme, the flow guide mechanism comprises a support rod one, a connecting plate is fixedly connected to the bottom of the support rod one, the bottom of the connecting plate is fixedly connected with the inner wall of the fan through a rotating shaft penetrating the partition plate, a centrifugal block is fixedly connected to the outer wall of the fan, a stirring assembly is arranged on the outer wall of the support rod one, the fan is used for stirring the gas in the isolation bin, and the centrifugal block is used for increasing the centrifugal force of the fan rotation.

[0010] According to the above technical scheme, the stirring assembly comprises a sliding sleeve, a support rod two is fixedly connected to the outer wall of the sliding sleeve, an extrusion block is rotatably connected to the outer wall of the support rod two, a stirring block is slidably connected to the outer wall of the extrusion block, a positioning groove is formed in the outer wall of the stirring block, a support wheel is rotatably connected to the inner wall of the stirring block through a rotating shaft, an elastic plate is fixedly connected to the outer wall of the stirring block, and the other end of the elastic plate is fixedly connected with the outer wall of the extrusion block. The stirring block is used for stirring the solid waste, and the extrusion block is used for extruding and crushing the solid waste.

[0011] According to the above technical scheme, the positions of the connecting pipe two and the connecting pipe three are on the same axis, the outer wall of the buffer bin is fixedly connected with the inner wall of the shell, and the gap between the connecting pipe two and the connecting pipe three is connected through a one-way valve, so that the gas enters the connecting pipe three from the connecting pipe two through the one-way valve.

[0012] According to the above technical scheme, the number of the collection pipes and the connecting pipes one is three groups, three groups of the collection pipes and the connecting pipes one are equidistantly arranged on the outer wall of the reduction bin with the center line of the shell as the rotating shaft, the number of the reflux pipes is three groups, three groups of the reflux pipes are equidistantly arranged on the bottom of the buffer bin with the center line of the isolation bin as the rotating shaft, and the reflux pipes are used for guiding the gas after combustion.

[0013] According to the above technical scheme, the number of the support rods one is two groups, the two groups of support rods one are symmetrically arranged on the top of the connecting plate with the center line of the connecting plate as the symmetric axis, the bottom of the connecting plate is rotatably connected with the surface of the partition plate through a bearing, the support rod one is used for stirring the solid waste, and the centrifugal block is used for conducting plasma current and igniting the combustible gas at the bottom of the partition plate.

[0014] According to the technical scheme, the support wheel outer wall rolls along the isolation bin inner wall, the extrusion block slides along the support rod two outer wall, the extrusion block inner wall supports the support rod two through the hydraulic damping, and the extrusion block outer wall conducts the plasma current by being in contact with the electrode outer wall.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] 1. The plasma cracking furnace recovers the combustible gas after combustion, conducts the recovered gas into the collecting pipe, uses the high temperature of cracking in the cracking furnace to perform a reduction reaction with the accumulated carbon in the collecting pipe, increases the combustible gas concentration, reduces the accumulated carbon in the collecting pipe, collects sufficient combustible gas for combustion, performs secondary combustion, fully utilizes the generated combustible gas in the cracking furnace, and makes the working efficiency of the cracking furnace higher.

[0017] 2. The plasma cracking furnace stirs the solid waste in the cracking furnace through the flow guide mechanism, makes the solid waste in the cracking furnace be heated in all directions, fully cracks the solid waste, contacts the plasma anode, conducts the plasma current to the gas recovery combustion position to ignite the recovered gas, increases the combustion efficiency of the recovered gas, and fully releases energy.

[0018] 3. The plasma cracking furnace stirs the solid waste in the cracking furnace through the stirring assembly, uniformly conducts the cracking temperature of the solid waste in the cracking furnace, fully cracks the solid waste, and assists in crushing the solid waste, prevents the solid waste particles from being too large and difficult to crack, and increases the cracking efficiency of the solid waste in the cracking furnace.

[0019] 4. The plasma cracking furnace filters the collected combustible gas through the reduction bin, prevents the gas generated by the plasma cracking from containing a large amount of solid impurities, affects the combustion efficiency of the recovered gas, introduces the combustion-supporting gas, mixes the recovered combustible gas, and makes the recovered combustible gas fully burn. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The figure is a structural schematic diagram of the application;

[0021] Figure 2 The figure is a sectional view of the application Figure One ;

[0022] Figure 3 The figure is a sectional view of the application Figure Two ;

[0023] Figure 4 The figure is a sectional view of the application Figure Three ;

[0024] Figure 5 The figure is a sectional view of the application Figure Four ;

[0025] Figure 6 It is a structural schematic view of the flow guide mechanism of the present application.

[0026] Figure 7 It is a structural schematic view of the stirring assembly of the present application.

[0027] Figure 8 It is a sectional view of the stirring assembly of the present application.

[0028] In the figure: 1, shell; 101, water outlet pipe; 102, reduction bin; 103, air inlet; 104, collection pipe; 105, electrode; 106, connecting pipe one; 107, water inlet pipe; 108, buffer bin; 109, isolation bin; 110, backflow pipe; 111, partition; 112, connecting pipe two; 113, connecting pipe three; 2, flow guide mechanism; 201, support rod one; 202, connecting plate; 203, fan; 204, centrifugal block; 3, stirring assembly; 301, sliding sleeve; 302, support rod two; 303, extrusion block; 304, stirring block; 305, elastic plate; 306, positioning groove; 307, support wheel. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Embodiment one, please refer to Figures 1-5 The present application provides the technical solution: the plasma cracking furnace, including the shell 1, the inner wall of the shell 1 is fixedly connected with the water outlet pipe 101, the bottom of the shell 1 is fixedly connected with the water inlet pipe 107, the outer wall of the shell 1 is fixedly connected with the reduction bin 102, the top of the reduction bin 102 is fixedly connected with the collection pipe 104, the bottom of the reduction bin 102 is fixedly connected with the connecting pipe one 106, the top of the reduction bin 102 is fixedly connected with the air inlet 103, the inner wall of the shell 1 is fixedly connected with the isolation bin 109, the electrode 105 is inserted in the inner wall of the shell 1, and further comprising:

[0031] The buffer bin 108 is arranged inside the shell 1, the bottom of the buffer bin 108 is fixedly connected with the return pipe 110, the top of the buffer bin 108 is fixedly connected with the connecting pipe two 112, the inner wall of the collecting pipe 104 is fixedly connected with the connecting pipe three 113, the inner wall of the isolation bin 109 is fixedly connected with the partition plate 111, the isolation bin 109 is internally provided with the flow guide mechanism 2, the reduction bin 102 is internally added with activated carbon for adsorbing and filtering the collected gas, and at the same time, the activated carbon is used for carrying out the original reaction with the gas generated after combustion through high temperature, the collecting pipe 104 is used for guiding the gas generated by solid waste cracking, the partition plate 111 is used for isolating the solid waste and the combustible gas, the gas inlet 103 is used for supplementing the combustion-supporting gas, when the plasma cracking furnace is put into use, the solid waste is put into the isolation bin 109, the cooling water is injected from the water inlet pipe 107 and flows out from the water outlet pipe 101, the isolation bin 109 and the shell 1 are heat-isolated, the electrode 105 is electrified, the solid waste in the isolation bin 109 is plasma-cracked through the electrode 105, in the cracking process, the combustible gas generated by the solid waste melting enters the collecting pipe 104, the combustible gas is guided into the reduction bin 102 through the collecting pipe 104, the impurities attached to the collected combustible gas are filtered through the activated carbon in the reduction bin 102, the filtered combustible gas is guided into the isolation bin 109 through the connecting pipe one 106, the plasma current is guided into the bottom of the partition plate 111 through the flow guide mechanism 2 and the anode, the combustible gas output by the connecting pipe one 106 is ignited, the partition plate 111 is heated, the solid waste is cracked, as the temperature in the isolation bin 109 increases, the combustible gas output efficiency increases, the flow guide mechanism 2 is driven to rotate in the isolation bin 109, the solid waste in the isolation bin 109 is stirred and crushed, the gas after combustion is collected through the return pipe 110, and after being cooled by the cooling water, the gas enters the buffer bin 108, enters the connecting pipe three 113 through the connecting pipe two 112 and the one-way valve, the gas enters the collecting pipe 104 through the connecting pipe three 113, the high temperature generated by the cracking furnace is used for carrying out the reduction reaction with the accumulated carbon attached to the collecting pipe 104, combustible gas is generated and continuously used, the gas after combustion which does not participate in the reaction enters the reduction bin 102, the reduction reaction is carried out through the activated carbon in the reduction bin 102, combustible gas is generated and continuously used, the cracking efficiency of the cracking furnace is increased, until the solid waste cracking is completed, the electrode 105 is de-energized, after the temperature in the isolation bin 109 decreases, the inside of the isolation bin 109 is cleaned, and the next cracking work is carried out;

[0032] The collection pipe 104 is fixedly communicated with the inner wall of the shell 1 away from one end of the reduction bin 102, the connecting pipe one 106 is fixedly communicated with the isolation bin 109 away from one end of the reduction bin 102, the reflux pipe 110 is fixedly communicated with the inside of the isolation bin 109 away from one end of the buffer bin 108, the connecting pipe one 106 is used for reflux combustion of the gas generated by the solid waste cracking, in the cracking process, the combustible gas generated by the melting of the solid waste enters the collection pipe 104, and the combustible gas is guided into the reduction bin 102 through the collection pipe 104, the active carbon in the reduction bin 102 filters the impurities attached to the collected combustible gas, and the filtered combustible gas is guided into the isolation bin 109 through the connecting pipe one 106, and the plasma current is guided into the bottom of the partition plate 111 to ignite the combustible gas output by the connecting pipe one 106 through the flow guide mechanism 2 and the anode;

[0033] The connecting pipe two 112 and the connecting pipe three 113 are located on the same axis, the buffer bin 108 is fixedly connected with the inner wall of the shell 1, and the connecting pipe two 112 and the connecting pipe three 113 are connected through a one-way valve at the gap, so that the gas enters the connecting pipe three 113 through the one-way valve from the connecting pipe two 112, the gas after combustion is collected through the reflux pipe 110, and after being cooled by cooling water, enters the buffer bin 108, and then enters the connecting pipe three 113 through the connecting pipe two 112 and the one-way valve, so that the gas enters the collection pipe 104 through the connecting pipe three 113;

[0034] The collection pipe 104 and the connecting pipe one 106 are three groups, the three groups of collection pipes 104 and the connecting pipe one 106 are equidistantly arrayed on the outer wall of the reduction bin 102 with the center line of the shell 1 as the rotation axis, the reflux pipe 110 is three groups, the three groups of reflux pipes 110 are equidistantly arrayed on the bottom of the buffer bin 108 with the center line of the isolation bin 109 as the rotation axis, the reflux pipe 110 is used for guiding the gas after combustion, the gas after combustion is guided into the buffer bin 108 through the reflux pipe 110, enters the connecting pipe three 113 through the connecting pipe two 112 and the one-way valve, so that the gas enters the collection pipe 104 through the connecting pipe three 113, and the high temperature generated by the cracking furnace is used for reduction reaction with the accumulated carbon in the collection pipe 104 to generate combustible gas, and the combustible gas is continuously combusted.

[0035] Example two, based on example one, please refer to Figure 6The application provides the technical scheme: the flow guide mechanism 2 includes a support rod one 201, the bottom of the support rod one 201 is fixedly connected with a connecting plate 202, the bottom of the connecting plate 202 is fixedly connected with the inner wall of a fan 203 through a rotating shaft penetrating a partition plate 111, the outer wall of the fan 203 is fixedly connected with a centrifugal block 204, the outer wall of the support rod one 201 is provided with a stirring assembly 3, the fan 203 is used for stirring the gas inside the isolation bin 109, the centrifugal block 204 is used for increasing the rotating centrifugal force of the fan 203, during the cracking process, the recovered combustible gas enters the bottom of the partition plate 111 through a connecting pipe one 106, as the temperature in the isolation bin 109 increases, the solid waste melts, the flow rate of the combustible gas increases, drives the fan 203 to rotate, and drives the support rod one 201 to rotate in the isolation cabin through the connecting plate 202, stirs the solid waste, simultaneously drives the stirring assembly 3 to rotate in the isolation bin 109, contacts the anode through the stirring assembly 3, directs the plasma current to the centrifugal block 204 through the support rod one 201, ignites the combustible gas, heats the partition plate 111, accelerates the cracking reaction, simultaneously the flow rate of the combustible gas continues to increase, the rotating counterweight of the fan 203 is increased through the centrifugal block 204, the stirring intensity of the stirring assembly 3 in the isolation bin 109 is increased, and the fan 203 fully stirs the combustible gas, improves the efficiency of the cracking reaction;

[0036] The number of the support rod one 201 is two groups, the two groups of support rod one 201 are symmetrically arranged on the top of the connecting plate 202 with the center line of the connecting plate 202 as the axis of symmetry, the bottom of the connecting plate 202 is rotatably connected with the surface of the partition plate 111 through a bearing, the support rod one 201 is used for stirring the solid waste, the centrifugal block 204 is used for conducting the plasma current, igniting the combustible gas at the bottom of the partition plate 111, the recovered combustible gas enters the bottom of the partition plate 111 through the connecting pipe one 106, as the temperature in the isolation bin 109 increases, the solid waste melts, the flow rate of the combustible gas increases, drives the fan 203 to rotate, and drives the support rod one 201 to rotate in the isolation cabin through the connecting plate 202, stirs the solid waste.

[0037] Example three, based on example one and example two, please refer to Figures 7-8The application provides the technical scheme: the stirring assembly 3 includes a sliding sleeve 301, a support rod two 302 is fixedly connected to the outer wall of the sliding sleeve 301, a pressing block 303 is rotatably connected to the outer wall of the support rod two 302, a stirring block 304 is slidably connected to the outer wall of the pressing block 303, a positioning groove 306 is formed in the outer wall of the stirring block 304, a support wheel 307 is rotatably connected to the inner wall of the stirring block 304 through a rotating shaft, an elastic plate 305 is fixedly connected to the outer wall of the stirring block 304, and the other end of the elastic plate 305 is fixedly connected to the outer wall of the pressing block 303; the stirring block 304 is used for stirring solid waste; the pressing block 303 is used for extruding and crushing the solid waste; when the support rod one 201 is rotated in the isolation bin 109 under the action of the connecting plate 202, the stirring block 304 is in contact with the solid waste, drives the pressing block 303 to rotate on the outer wall of the support rod two 302, and the stirring block 304 stirs the solid waste; when the support wheel 307 is in contact with the inner wall of the isolation bin 109, the pressing block 303 supports the stirring block 304 through hydraulic damping, the stirring block 304 extrudes the elastic plate 305 to slide on the outer wall of the pressing block 303, the pressing block 303 is inserted into the positioning groove 306, and the solid waste is crushed; after the crushing is completed, the stirring block 304 is guided through a guide wheel, drives the pressing block 303 to slide on the outer wall of the support rod two 302 through compressed hydraulic damping, prevents the stirring block 304 from colliding with the inner wall of the isolation bin 109, the outer wall of the pressing block 303 is in contact with the outer wall of the electrode 105, the plasma current is guided to the centrifugal block 204 through the anode to ignite the combustible gas, the electrode 105 is in contact with the outer wall of the pressing block 303, drives the sliding sleeve 301 to rotate on the outer wall of the support rod one 201, and the solid waste in the isolation bin 109 is stirred to prevent the electrode 105 from interfering with the pressing block 303.

[0038] The outer wall of the support wheel 307 rolls along the inner wall of the isolation bin 109, the pressing block 303 slides along the outer wall of the support rod two 302, the inner wall of the pressing block 303 supports the support rod two 302 through hydraulic damping, the outer wall of the pressing block 303 conducts the plasma current through contact with the outer wall of the electrode 105, when the support wheel 307 is in contact with the inner wall of the isolation bin 109, the pressing block 303 supports the stirring block 304 through hydraulic damping, the stirring block 304 extrudes the elastic plate 305 to slide on the outer wall of the pressing block 303, the pressing block 303 is inserted into the positioning groove 306, and the solid waste is crushed; after the crushing is completed, the stirring block 304 is guided through a guide wheel, drives the pressing block 303 to slide on the outer wall of the support rod two 302 through compressed hydraulic damping, prevents the stirring block 304 from colliding with the inner wall of the isolation bin 109, the outer wall of the pressing block 303 is in contact with the outer wall of the electrode 105, the plasma current is guided to the centrifugal block 204 through the anode to ignite the combustible gas.

[0039] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A plasma pyrolysis furnace, comprising a shell (1), wherein an outlet pipe (101) is fixedly connected to the inner wall of the shell (1), an inlet pipe (107) is fixedly connected to the bottom of the shell (1), a reduction chamber (102) is fixedly connected to the outer wall of the shell (1), a collection pipe (104) is fixedly connected to the top of the reduction chamber (102), a connecting pipe (106) is fixedly connected to the bottom of the reduction chamber (102), an air inlet (103) is fixedly connected to the top of the reduction chamber (102), an isolation chamber (109) is fixedly connected to the inner wall of the shell (1), and an electrode (105) is inserted into the inner wall of the shell (1), characterized in that, Also include: The buffer bin (108) is arranged inside the shell (1), the bottom of the buffer bin (108) is fixedly communicated with the backflow pipe (110), the top of the buffer bin (108) is fixedly communicated with the connecting pipe two (112), the inner wall of the collecting pipe (104) is fixedly communicated with the connecting pipe three (113), the inner wall of the isolation bin (109) is fixedly connected with the partition plate (111), the inside of the isolation bin (109) is provided with a flow guide mechanism (2), the inside of the reduction bin (102) is added with activated carbon for adsorbing and filtering the collected gas, and the original reaction is carried out with the gas generated after combustion through high temperature, the collecting pipe (104) is used for guiding the gas generated by solid waste cracking, the partition plate (111) is used for isolating solid waste and combustible gas, and the gas inlet (103) is used for supplementing combustion-supporting gas.

2. The plasma cracking furnace of claim 1, wherein: The collecting pipe (104) is fixedly communicated with the inner wall of the shell (1) away from the reduction bin (102), one end of the connecting pipe one (106) away from the reduction bin (102) penetrates the outer wall of the shell (1) and is fixedly communicated with the isolation bin (109), one end of the backflow pipe (110) away from the buffer bin (108) is fixedly communicated with the inside of the isolation bin (109), and the connecting pipe one (106) is used for backflow combustion of the gas generated by solid waste cracking.

3. The plasma cracking furnace of claim 1, wherein: The flow guide mechanism (2) comprises a supporting rod one (201), the bottom of the supporting rod one (201) is fixedly connected with a connecting plate (202), the bottom of the connecting plate (202) is fixedly connected with the inner wall of a fan (203) through a rotating shaft penetrating the partition plate (111), the outer wall of the fan (203) is fixedly connected with a centrifugal block (204), the outer wall of the supporting rod one (201) is provided with a stirring assembly (3), the fan (203) is used for stirring the gas in the isolation bin (109), and the centrifugal block (204) is used for increasing the rotating centrifugal force of the fan (203).

4. The plasma cracking furnace of claim 3, wherein: The stirring assembly (3) comprises a sliding sleeve (301), the outer wall of the sliding sleeve (301) is fixedly connected with a supporting rod two (302), the outer wall of the supporting rod two (302) is rotatably connected with an extrusion block (303), the outer wall of the extrusion block (303) is slidably connected with a stirring block (304), the outer wall of the stirring block (304) is provided with a positioning groove (306), the inner wall of the stirring block (304) is rotatably connected with a supporting wheel (307) through a rotating shaft, the outer wall of the stirring block (304) is fixedly connected with an elastic plate (305), the other end of the elastic plate (305) is fixedly connected with the outer wall of the extrusion block (303), the stirring block (304) is used for stirring solid waste, and the extrusion block (303) is used for extruding and crushing solid waste.

5. The plasma cracking furnace of claim 1, wherein: The connecting pipe two (112) and the connecting pipe three (113) are located on the same axis, the outer wall of the buffer bin (108) is fixedly connected with the inner wall of the shell (1), and the gap between the connecting pipe two (112) and the connecting pipe three (113) is connected through a one-way valve, so that the gas passes through the one-way valve from the connecting pipe two (112) into the connecting pipe three (113).

6. The plasma cracking furnace of claim 2, wherein: The collecting pipe (104) and the connecting pipe one (106) are three groups, three groups of the collecting pipe (104) and the connecting pipe one (106) are equidistant array in the reduction bin (102) outer wall with the center line of the shell (1) as the rotating shaft, the backflow pipe (110) is three groups, three groups of the backflow pipe (110) are equidistant array in the buffer bin (108) bottom with the center line of the isolation bin (109) as the rotating shaft, the backflow pipe (110) is used for guiding the flow of the gas after combustion.

7. The plasma cracking furnace of claim 3, wherein: The support rod one (201) is two groups, two groups of the support rod one (201) are symmetrically arranged on the connecting plate (202) top with the center line of the connecting plate (202) as the symmetric axis, the connecting plate (202) bottom is rotatably connected with the surface of the partition plate (111) through the bearing, the support rod one (201) is used for stirring the solid waste, the centrifugal block (204) is used for conducting the plasma current, igniting the combustible gas at the bottom of the partition plate (111).

8. The plasma cracking furnace of claim 4, wherein: The support wheel (307) outer wall rolls along the isolation bin (109) inner wall, the extrusion block (303) slides along the support rod two (302) outer wall, the extrusion block (303) inner wall supports the support rod two (302) through the hydraulic damping, the extrusion block (303) outer wall conducts the plasma current by contacting with the electrode (105) outer wall.

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