CN219689637U - Waste single thermal cracking system - Google Patents

Abstract

The utility model relates to a waste single thermal cracking system, which comprises a feeding module, a cracking furnace, a gas and liquid treatment module and a solid treatment module, wherein raw materials are subjected to heating phase change after being fed by the feeding module and are converted into gas-liquid-solid tri-states and enter the cracking furnace, the cracking furnace is used for gasifying liquid materials in the entering tri-state materials, the gasified gaseous materials and other gaseous materials enter the gas and liquid treatment module for liquefaction treatment, liquefied liquid and non-liquefied gas are produced, solid materials in the cracking furnace enter the solid treatment module for sublimation treatment, the sublimated gaseous materials enter the gas and liquid treatment module for producing non-sublimated solid materials, the purpose of decomposing the raw materials into gas-liquid-solid tri-state products is achieved, the cracking is more thorough, the waste of resources and the environmental pollution can be effectively avoided, and the raw materials are treated efficiently and environmentally-friendly.

Description

Waste single thermal cracking system

Technical Field

The utility model relates to the field of chemical industry, in particular to a waste single thermal cracking system.

Background

With the continuous improvement of living standard, the produced living waste is also continuously increased, and the waste plastic is a common living waste. Waste plastics pollute the environment and require pyrolysis treatment. However, in the current single thermal cracking system for waste materials, the cracking is not complete, and a large amount of harmful gases generated in the cracking process still pollute the environment.

Disclosure of Invention

In view of the above, the utility model aims to provide a waste single thermal cracking system which can effectively avoid resource waste and environmental pollution and process raw materials efficiently and environmentally friendly.

The waste single thermal cracking system of the embodiment of the utility model comprises: the feeding module is provided with a feeding heater, and the feeding heater is used for converting the phase of the entering material into gas, liquid and solid three states; the cracking furnace is connected with the feeding module, and is provided with a cracking heater for gasifying the entering liquid material; the gas and liquid treatment module is connected with the cracking furnace and is provided with a plurality of condensers for at least partially liquefying the entering gaseous materials; the solid treatment module is connected with the cracking furnace and is provided with at least one solid heater, the solid heater is used for at least partially sublimating the entering solid materials, and gaseous materials after the solid materials are sublimated in the solid treatment module enter the gas and liquid treatment module through the cracking furnace.

According to a preferred embodiment of the utility model, the condenser is connected with an oil drum for storing liquefied material.

According to a preferred embodiment of the utility model, the condenser is connected with a U-shaped elbow for avoiding the reverse flow of the gas.

According to a preferred embodiment of the utility model, the gas and liquid treatment module comprises a catalytic basket connected to the pyrolysis furnace.

According to a preferred embodiment of the present utility model, the gas and liquid treatment module includes a first oil tank, a second oil tank, and a third oil tank sequentially disposed; the first oil drum and the second oil drum, and the second oil drum and the third oil drum are connected through at least one condenser.

According to a preferred embodiment of the utility model, the solids processing module further comprises: at least one powder drying barrel connected with the cracking furnace, wherein the solid heater is arranged on the powder drying barrel; and the cooling barrel is connected with the powder baking barrel, and a cooling device is arranged in the cooling barrel.

According to a preferred embodiment of the present utility model, the solid processing module includes a first powder drying barrel and a second powder drying barrel which are sequentially connected, the first powder drying barrel is connected with the cracking furnace, the second powder drying barrel is connected with the cooling barrel, and the solid heater is arranged on each of the first powder drying barrel and the second powder drying barrel; the sublimated gaseous materials in the first powder drying barrel enter the gas and liquid treatment module through the cracking furnace, and the non-sublimated solid materials in the first powder drying barrel enter the second powder drying barrel from the bottom; the sublimated gaseous materials in the second powder drying barrel enter the gas and liquid treatment module through the first powder drying barrel and the cracking furnace, and the non-sublimated solid materials in the second powder drying barrel enter the cooling barrel from the bottom; wherein, the bottoms of the first powder drying barrel and the second powder drying barrel are spherical.

According to a preferred embodiment of the utility model, the heating temperature of the feed heater is gradually increased in the feed direction.

According to a preferred embodiment of the utility model, the feed module comprises a feed screw driven in rotation to advance the material screw in the screw gap; the heating range of the feed heater covers the feed screw.

According to a preferred embodiment of the utility model, the feeding module further comprises a feeding hopper, a driving motor and a reduction gearbox, wherein an outlet of the feeding hopper is connected to one end of the feeding screw, the driving motor is connected with the reduction gearbox, and the reduction gearbox is connected with the feeding screw.

According to a preferred embodiment of the utility model, the pyrolysis furnace, the oil drum and the powder drying drum are movably provided with rotating shafts; one end of the rotating shaft is positioned outside the cracking furnace, the oil drum and the powder drying drum and is connected with a driving source; the other end of the rotating shaft is positioned in the cracking furnace, the oil drum and the powder drying drum and is connected with at least one blade.

According to a preferred embodiment of the utility model, the rotating shaft is a hollow shaft, and a lifting shaft is movably arranged in the rotating shaft in a penetrating manner; one end of the lifting shaft is connected with a driving source; the other end of the lifting shaft extends out of the rotating shaft into the cracking furnace and is connected with at least one rotating blade.

According to the waste single thermal cracking system provided by the embodiment of the utility model, the raw materials are decomposed into gas, liquid and solid states in the feeding module, the gas, liquid and solid processing modules enter the cracking furnace, the gas and liquid processing modules and the solid processing modules for further processing, and sublimated gas in the solid processing modules enters the gas and liquid processing modules again, so that the raw materials can be thoroughly decomposed, the generation of harmful gas is effectively avoided, the waste of resources and the environmental pollution are avoided, and the raw materials are processed efficiently and environmentally.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a waste single thermal cracking system according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a pyrolysis furnace according to an embodiment of the present utility model;

FIG. 3 is a schematic view, partially in section, of a pyrolysis furnace according to an embodiment of the present utility model;

FIG. 4 is a schematic view, partially in section, of a pyrolysis furnace according to an embodiment of the present utility model;

FIG. 5 is a schematic partial cross-sectional view of a pyrolysis furnace at position C according to an embodiment of the utility model.

Detailed Description

The description of the embodiments of this specification should be taken in conjunction with the accompanying drawings, which are a complete description of the embodiments. In the drawings, the shape or thickness of the embodiments may be enlarged and indicated simply or conveniently. Furthermore, portions of the structures in the drawings will be described in terms of separate descriptions, and it should be noted that elements not shown or described in the drawings are in a form known to those of ordinary skill in the art.

Any references to directions and orientations in the description of the embodiments herein are for convenience only and should not be construed as limiting the scope of the utility model in any way. The following description of the preferred embodiments will refer to combinations of features, which may be present alone or in combination, and the utility model is not particularly limited to the preferred embodiments. The scope of the utility model is defined by the claims.

FIG. 1 is a schematic diagram of a waste single thermal cracking system according to an embodiment of the utility model. The waste single thermal cracking system comprises a feeding module 1, a cracking furnace 2, a gas and liquid treatment module 3 and a solid treatment module 4. The feed module has a feed heater (not shown) that converts the incoming feedstock phase into gaseous, liquid and solid tri-states. The pyrolysis furnace 2 is connected with the feeding module 1, and a pyrolysis heater (not shown) is arranged on the pyrolysis furnace 2, and the pyrolysis heater is used for gasifying the entering liquid material. The gas and liquid treatment module 3 is connected to the pyrolysis furnace 2, the gas and liquid treatment module 3 having at least one condenser 34, the condenser 34 providing for at least partial liquefaction of the incoming gaseous material. The solid treatment module 4 is connected with the cracking furnace 2, the solid treatment module 4 is provided with at least one solid heater (not shown), the solid heater is used for at least partially sublimating the entering solid material, and the gaseous material sublimated from the solid material in the solid treatment module 4 enters the gas and liquid treatment module 3 through the cracking furnace 2. Wherein the liquefied liquid material, the non-liquefied gaseous material, and the non-sublimated solid material in the gas and liquid treatment module 3 and the solid treatment module 4 are treated in the next process, respectively.

According to the waste single thermal cracking system provided by the embodiment of the utility model, the raw materials are decomposed into gas, liquid and solid states in the feeding module 1, enter the cracking furnace 2, the gas and liquid treatment module 3 and the solid treatment module 4 for further treatment, and sublimated gas in the solid treatment module 4 enters the gas and liquid treatment module 3 again, so that the raw materials can be thoroughly decomposed, the generation of harmful gas is effectively avoided, the waste of resources and the environmental pollution are avoided, and the raw materials are treated efficiently and environmentally.

In the following, this embodiment is described taking waste plastics as an example, the waste plastics are in three states of oil gas, oil liquid and carbon powder after being decomposed, the oil gas and the oil liquid are treated by the gas and liquid treatment module 3, and the carbon powder is treated by the solid treatment module 4. It should be understood that the waste single thermal cracking system of this embodiment may also be used for cracking other materials.

As shown in fig. 1, in the present embodiment, the feeding module 1 includes a feeding screw 11, a feed hopper 12, a driving motor 13, and a reduction gearbox 14. The feeding screw 11 is a structure in which a screw is arranged in a cylindrical shell, the feeding screw 11 can be one or a plurality of feeding screws in series, the inlet end of the feeding screw 11 is connected with the outlet of the feed hopper 12, the outlet end of the feeding screw 11 is connected with the cracking furnace 2, the driving motor 13 is connected with the reduction gearbox 14, and the reduction gearbox 14 is connected with the feeding screw 11 and drives the feeding screw 11 to rotate. After the raw material enters the feed screw 11 from the feed hopper 12, the feed screw 11 is rotated by the drive of the drive motor 13 and the reduction gearbox 14, the raw material is spirally advanced in the screw clearance of the feed screw 11, and finally enters the cracking furnace 2. The heating range of the feed heater covers the feed screw 11 so that the raw material is heated gradually as it advances spirally in the feed screw 11 and is decomposed into three-phase raw material when it enters the pyrolysis furnace 2.

In this embodiment, the feeding heater is disposed on the feeding screw 11, and the feeding heater may have one or more feeding heaters, which may be, but not limited to, a high-frequency heater or an infrared heater, and the heating temperature of the feeding heater is gradually increased along the feeding direction of the feeding screw 11, so that the raw material is gradually warmed, and the raw material is gradually changed into a tri-state during the feeding process. For example, the feeding heaters may be high-frequency heaters which are arranged in groups from the feeding end to the discharging end, and each feeding heater is heated locally, so that the purpose of heating the raw materials gradually along the feeding direction is achieved.

In this embodiment, a feeder (not shown) is further disposed between the outlet of the feeding hopper 12 and the feeding screw 11, and is electrically driven to apply pressure to the raw material in the feeding hopper 12, so as to press the raw material near the outlet of the feeding hopper 12 into the feeding screw 11, thereby increasing the feeding efficiency and avoiding the raw material from accumulating in the feeding hopper 12.

In this embodiment, the pipe diameter of the feeding screw 11 is gradually reduced near the discharge end connected with the cracking furnace 2, and a certain pressure is generated so that the gas-liquid-solid three-phase raw material is easier to enter the cracking furnace 2.

As shown in fig. 1, in the present embodiment, a pyrolysis heater is provided on the pyrolysis furnace 2, which may be an infrared radiation heater or a high frequency heater. After the three-phase raw materials are injected into the cracking furnace 2 through the feeding screw 11, the coating is arranged on the surface of the inner wall of the cracking furnace 2, the liquid materials are gasified into gas by heating of the cracking heater, and enter the upper gas and liquid treatment module 3 together with the original gas materials, and the solid materials enter the lower solid treatment module 4 downwards. If part of the solid material is gasified, the gasified gas also enters the gas and liquid treatment module 3 together upwards. In addition, in this embodiment, the pyrolysis furnace 2 is further provided with a vane mechanism for uniformly coating the inner wall surface with the incoming material, which will be described in detail later.

In this embodiment, pressure and temperature sensors (not shown) are further provided on the pyrolysis furnace 2 for sensing the pressure in the pyrolysis furnace 2 to control the gas inlet amount and sensing the temperature in the pyrolysis furnace 2 to control the heating temperature, respectively.

In this embodiment, the gas and liquid treatment module 3 further comprises an oil drum, a U-bend 33 and a catalytic drum 31, as shown in fig. 1. The oil drum is used for storing liquefied materials, and comprises a first oil drum 32, a second oil drum 35 and a third oil drum 36, wherein a U-shaped elbow 33 is used for avoiding gas backflow, and a catalyst is arranged in the catalytic drum 31 and is used for catalyzing the entering gaseous materials.

Specifically, the catalytic barrel 31 is disposed at the front end of the gas and liquid processing module 3, and is connected to the cracking furnace 2, the gaseous material coming out from the outlet above the cracking furnace 2 enters the catalytic barrel 31 first, the catalytic barrel 31 is filled with a catalyst, and the catalytic gaseous material (oil gas in this embodiment) increases the cetane number, reduces the polymer chain, and reduces the viscosity. The catalytic barrel 31 is also provided with a heater (not shown) for heating the material during the catalytic process to improve the catalytic efficiency. The catalytic basket 31 is provided with pressure and temperature sensors (not shown) for sensing the pressure in the catalytic basket 31 to control the gas inflow amount and sensing the temperature in the pyrolysis furnace 2 to control the heating temperature, respectively. In addition, in the present embodiment, a vane mechanism is further provided in the catalytic bucket 31 for preventing the catalyst from sticking, and the specific structure will be described later.

The catalyzed gaseous material enters the first oil drum 32 from the catalytic drum 31, the inlet of the first oil drum 32 is positioned at the upper part of the side surface of the first oil drum, the entering gaseous material enters along the tangent line of the side wall, and the gaseous material swirls in the first oil drum 32 to exchange cold and heat with air, thereby realizing temperature reduction. A portion of the gaseous material is liquefied and phase-changed into a liquid state and deposited at the bottom of the first oil drum 32, and the non-liquefied gaseous material enters the U-bend 33.

The gaseous material enters the U-shaped elbow 33 and then continues to enter the condenser 34, in the process, the gaseous material flowing in the U-shaped elbow 33 is partially liquefied under the temperature reduction of air, and is deposited at the bottom of the U-shaped elbow 33 in a liquid state, and the other part of the non-liquefied gaseous material enters the condenser 34. After a period of deposition, the U-shaped bottom of the U-bend 33 is filled with liquid, preventing backflow of gaseous material into the condenser 34.

The U-bend 33 may be followed by one or more condensers 34, for example two in this embodiment, the condensers 34 being multitube heat exchangers, the exterior of the multitube being water cooled, the gas passing from the interior of the multitube so that the gas is at least partially liquefied. The gaseous material is partially liquefied after entering the condenser 34, the liquefied gas enters the second oil drum 35 and is deposited at the bottom of the second oil drum 35, and the gaseous material which is not liquefied enters the second oil drum 35 and then enters the other group of condensers 34 again through the top outlet of the second oil drum 35. The condenser 34 may likewise be provided with one or more, in this embodiment one. After gas-liquid separation again by the condenser 34, liquid is deposited at the bottom of the third oil drum 36, and the non-liquefiable gaseous material is a combustible gas.

As shown in fig. 1, in the present embodiment, a compressor 37 is connected to the third oil drum 36, and the other side of the compressor 37 is connected to an air storage drum 38. The combustible gas which cannot be liquefied in the third oil tank 36 is detected by the compressor 37 with a small change in pressure, and then is sent to the gas storage tank 38 for storage by the compressor 37. The gas storage barrel 38 is provided with a pressure gauge, a safety valve and a safety alarm device for ensuring the safety of the combustible gas.

In addition, a conveying pipe (not shown) may be connected to each of the first, second and third oil tanks 32, 35 and 36 for conveying the accumulated liquid material to a storage container for subsequent processing. Therefore, the gas and liquid materials are subjected to cracking treatment through the gas and liquid treatment module 3, the gas materials are fully cracked through the multistage liquefaction process, the produced gas and liquid products are respectively stored in the respective containers and are ready for the treatment of the next working procedure, the pollution of harmful gas/liquid to the environment is avoided, and the efficient and environment-friendly treatment is achieved.

As shown in fig. 1, in this embodiment, the solid processing module 4 further includes a first powder drying barrel 41, a second powder drying barrel 42 and a cooling barrel 43 that are sequentially connected, where the first powder drying barrel 41 is connected with the cracking furnace 2, a first valve 441 is disposed between the cracking furnace 2 and the first powder drying barrel 41, a second valve 442 is disposed between the first powder drying barrel 41 and the second powder drying barrel 42, a third valve 443 is disposed between the second powder drying barrel 42 and the cooling barrel 43, a fourth valve 444 is disposed at an outlet of the cooling barrel 43, and solid heaters, which may be infrared heaters or high-frequency heaters, are disposed on the first powder drying barrel 41 and the second powder drying barrel 42. It should be understood that the two baking barrels (the first baking barrel 41 and the second baking barrel 42) are not limited to the embodiment, and the number of the baking barrels may be one, two or more.

In this embodiment, specifically, the solid material in the cracking furnace 2 enters the first powder drying barrel 41 from below through the first valve 441, and a blade mechanism is provided in the first powder drying barrel 41, and the specific structure of the blade mechanism will be described later. Under the rotation of the blades, the solid material always moves towards the bottom of the first drying tub 41. The bottom of the first powder drying tub 41 is formed in a spherical shape so that the solid material approaches the bottom. Under the heating of the solid heater, a part of the solid material in the first powder drying barrel 41 sublimates into a gaseous material, and the gaseous material enters the gas and liquid treatment module 3 through the first valve 441 and the cracking furnace 2 for treatment, and the non-sublimated solid material enters the second powder drying barrel 42 from the bottom of the first powder drying barrel 41 through the second valve 442. The first powder drying tub 41 is further provided with pressure and temperature sensors (not shown) for sensing the pressure in the first powder drying tub 41 to control the gas inlet amount and sensing the temperature in the first powder drying tub 41 to control the heating temperature, respectively.

The second powder drying barrel 42 has the same structure as the first powder drying barrel 41, and after the solid material enters the second powder drying barrel 42, the solid material approaches the spherical bottom of the second powder drying barrel 42 under the rotation of the blade. Simultaneously, the solid material is partially sublimated by heating, the generated gaseous material enters the cracking furnace 2 through the second valve 442, the first powder drying barrel 41 and the first valve 441 and is treated by the gas and liquid treatment module 3, and the bottom of the non-sublimated solid material second powder drying barrel 42 enters the cooling barrel 43 through the third valve 443. Pressure and temperature sensors (not shown) are also provided on the second powder drying tub 42 for sensing the pressure in the second powder drying tub 42 to control the gas inlet amount and sensing the temperature in the second powder drying tub 42 to control the heating temperature, respectively.

As shown in fig. 1, in this embodiment, the bottom of the cooling barrel 43 is also spherical, and the cooling barrel 43 is provided with a vane mechanism, which will be described in detail later, and the solid material always moves toward the bottom center of the cooling barrel 43 under the rotation of the vane. The bottom of the cooling tub 43 is water-cooled with a barrier, however, in other embodiments, other cooling devices having the same effect as water-cooled with a barrier may be provided on the cooling tub 43, so that the solid material entering the cooling tub 43 is further cooled. Because the temperature of the solid material is higher when the solid material enters the cooling channel 43 from the second powder drying barrel 42, the solid material needs to be stirred by the blades and cooled by water, and after the solid material is cooled to normal temperature, the solid material enters a storage tank (not shown) for storage through a fourth valve 444 at the bottom of the cooling barrel 43.

As shown in fig. 2 to 5, a schematic cross-sectional view of the pyrolysis furnace according to this embodiment is shown. The pyrolysis furnace 2 is provided with a blade mechanism, and specifically, the pyrolysis furnace 2 is provided with a first frame formed by mounting a first frame riser 505 and a first frame riser support plate 506, and a second frame riser 508. The second reducing motor 525 is installed on the upper portion of the second frame 508, the second reducing motor 525 is connected with the rotating shaft 518 and drives the rotating shaft 518 to rotate, the first sealing ring 516 is installed on the bottom of the rotating shaft 518 in the cracking furnace 2 for high-temperature sealing, and the shaft bottom blank cap 515 is arranged for sealing a cover to prevent internal gas leakage. A shaft housing 514 having a key groove is mounted to the bottom of the rotation shaft 518, and a blade (not shown) is mounted to an external key groove of the shaft housing 514. To ensure concentric rotation of the rotary shaft 518 within the furnace 2, a bearing housing 512 and a knuckle bearing 519 (high temperature bearing) are installed inside the lower surface of the flange cover of the furnace 2, positioned by the bearing housing positioning seat 511, and covered by the bearing housing cover 513. The cooling jacket 520 is arranged above the flange cover of the cracking furnace 2 to avoid the transmission of the height Wen Xiangshang. The rotary shaft 518 is arranged on the upper part of the flange cover of the cracking furnace 2 to prevent heat from being transferred upwards, the flange cover 521 is provided with a water jacket 521, the upper part and the lower part of the water jacket 521 are connected by a high-temperature sealing ring to prevent the high Wen Xieliu, and the water jacket 521 is also provided with a mechanical seal 522 to prevent gas in the cracking furnace 2 from leaking. The upper part of the rotary shaft 518 is fixed in a shaft sleeve of a second gear motor 525, the top is sealed by a second sealing ring 527, and the rotary shaft 518 is fixed by a spindle nut 526.

In order to prevent blockage in the cracking furnace 2 from being blocked, the rotary shaft 518 is provided with a hollow shaft, and a lifting shaft 517 is movably arranged inside the rotary shaft 518. The bottom of the lifting shaft 517 is provided with a rotary blade 531, the rotary blade is fixed by a shaft bottom bolt 530, the lower part of the lifting shaft 517 is fixed in the first sealing ring 516, the top is provided with a linear bearing 529, the linear bearing 529 is used for fixing the central positioning of the lifting shaft 517, and an oil seal blank cap 528 is arranged below the linear bearing 529 and used for sealing the cover. The top of the lifting shaft 517 is fixed in a shaft sleeve of the first gear motor 501, and is driven by the first gear motor 501 to rotate, and the lifting shaft 517 further drives a screw (not shown) to perform up-and-down movement by the worm and gear assembly 503. The lifting and rotating movement of the lifting shaft 517 can push the material at the bottom of the cracking furnace 2 to move, so as to avoid material blockage.

The middle part of the lifting shaft 517 is also provided with a fixed water jacket 523, a rotary water jacket 524 is arranged above the fixed water jacket 523, the rotary water jacket 524 is connected to a cooling water system through a pipeline (not shown), after cooling water circulates into the rotary water jacket 524, the rotary water jacket 523 and the lifting shaft 517 synchronously rotate, and cooling water in the rotary water jacket 523 flows into the fixed water jacket 523 for recycling and discharging, so that the lifting shaft 517 is cooled to avoid high temperature spreading above the lifting shaft 517.

In addition, the first gear motor 501 is disposed on the first gear motor lower plate 502, the second gear motor 525 is disposed on the second gear motor lower plate 507, the second gear motor support upper plate 509 and the second gear motor support lower plate 510, and the worm gear assembly 503 is disposed on the worm gear lower plate 504, which is not described herein in detail.

The above is the structure of the vane mechanism in the pyrolysis furnace 2, and in addition, the same vane structure may be provided in the catalytic tub 31, the first powder drying tub 41 and the second powder drying tub 42, so that the present embodiment is not further illustrated and described herein, and the structure and function thereof will be widely understood by those skilled in the art.

According to the waste single thermal cracking system provided by the embodiment of the utility model, the raw materials are decomposed into gas, liquid and solid states in the feeding module, the gas, liquid and solid processing modules enter the cracking furnace, the gas and liquid processing modules and the solid processing modules for further processing, and sublimated gas in the solid processing modules enters the gas and liquid processing modules again, so that the raw materials can be thoroughly decomposed, the generation of harmful gas is effectively avoided, the waste of resources and the environmental pollution are avoided, and the raw materials are processed efficiently and environmentally.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (12)

1. A waste single thermal cracking system, comprising:

a feed module (1) having a feed heater for phase change of an incoming feedstock into gaseous, liquid, solid tri-states;

the cracking furnace (2) is connected with the feeding module (1), and a cracking heater is arranged on the cracking furnace (2) and used for gasifying the entering liquid material;

a gas and liquid treatment module (3) connected with the cracking furnace (2), wherein the gas and liquid treatment module (3) is provided with a plurality of condensers (34), and the condensers (34) are used for at least partially liquefying the entering gaseous materials;

the solid treatment module (4) is connected with the cracking furnace (2), the solid treatment module (4) is provided with at least one solid heater, the solid heater is used for at least partially sublimating the entering solid material, and the gaseous material sublimated by the solid material in the solid treatment module (4) enters the gas and liquid treatment module (3) through the cracking furnace (2).

2. Waste single thermal cracking system according to claim 1, characterized in that the condenser (34) is connected with an oil drum for storing liquefied material.

3. Waste single thermal cracking system according to claim 1, characterized in that the condenser (34) is connected with a U-bend (33) for avoiding the backflow of gases.

4. Waste single thermal cracking system according to claim 1, characterized in that the gas and liquid treatment module (3) comprises a catalytic drum (31) connected to the cracking furnace (2).

5. Waste single thermal cracking system according to claim 2, characterized in that the gas and liquid treatment module (3) comprises a first oil drum (32), a second oil drum (35) and a third oil drum (36) arranged in sequence;

the first oil drum (32) and the second oil drum (35) and the third oil drum (36) are connected through at least one condenser (34).

6. The waste single thermal cracking system according to claim 5, wherein the solids processing module (4) further comprises:

at least one powder drying barrel connected with the cracking furnace (2), wherein the solid heater is arranged on the powder drying barrel; and

and the cooling barrel (43) is connected with the powder baking barrel, and a cooling device is arranged in the cooling barrel (43).

7. The waste single thermal cracking system according to claim 6, wherein the solid processing module (4) comprises a first powder drying barrel (41) and a second powder drying barrel (42) which are sequentially connected, the first powder drying barrel (41) is connected with the cracking furnace (2), the second powder drying barrel (42) is connected with the cooling barrel (43), and the solid heater is arranged on each of the first powder drying barrel (41) and the second powder drying barrel (42);

the sublimated gaseous materials in the first powder drying barrel (41) enter the gas and liquid treatment module (3) through the cracking furnace (2), and the non-sublimated solid materials in the first powder drying barrel (41) enter the second powder drying barrel (42) from the bottom;

the sublimated gaseous materials in the second powder drying barrel (42) enter the gas and liquid treatment module (3) through the first powder drying barrel (41) and the cracking furnace (2), and the non-sublimated solid materials in the second powder drying barrel (42) enter the cooling barrel (43) from the bottom;

wherein, the bottoms of the first powder drying barrel (41) and the second powder drying barrel (42) are spherical.

8. The waste single thermal cracking system of claim 1, wherein the heating temperature of the feed heater is gradually increased along the feed direction.

9. The waste single thermal cracking system according to claim 8, characterized in that the feed module (1) comprises a feed screw (11), the feed screw (11) being driven in rotation, advancing the material in the screw gap in a spiral;

the heating range of the feed heater covers the feed screw (11).

10. The waste single thermal cracking system according to claim 9, wherein the feeding module (1) further comprises a feeding hopper (12), a driving motor (13) and a reduction gearbox (14), wherein an outlet of the feeding hopper (12) is connected to one end of the feeding screw (11), the driving motor (13) is connected to the reduction gearbox (14), and the reduction gearbox (14) is connected to the feeding screw (11).

11. The waste single thermal cracking system according to claim 6, wherein rotary shafts (518) are movably provided on the cracking furnace (2), the oil drum and the baking powder drum;

one end of the rotating shaft (518) is positioned outside the cracking furnace (2), the oil drum and the powder drying drum and is connected with a driving source;

the other end of the rotating shaft (518) is positioned in the cracking furnace (2), the oil drum and the powder drying drum, and is connected with at least one blade.

12. The waste single thermal cracking system according to claim 11, wherein the rotating shaft (518) is a hollow shaft, and a lifting shaft (517) is movably arranged in the rotating shaft (518);

one end of the lifting shaft (517) is connected with a driving source;

the other end of the lifting shaft (517) extends out of the rotating shaft (518) into the cracking furnace (2), and is connected with at least one rotating blade (531).