Household garbage cracking treatment system

Abstract

The invention belongs to the technical field of household garbage treatment, and particularly relates to a household garbage cracking treatment system which comprises a conveying assembly, a crushing assembly and a distillation retort, the conveying assembly comprises a conveying belt and a rolling shaft, household garbage is poured on the conveying belt during working, the crushing assembly is arranged in the middle of the conveying belt, and the conveying belt penetrates through the crushing assembly; according to the household garbage crushing device, the conveying belt is arranged, so that household garbage on the conveying belt can be directly conveyed into the crushing assembly to be crushed, through the design, the household garbage can be crushed while being conveyed, and the conveying efficiency is improved; the household garbage crushed by the crushing assembly enters the distillation retort to be subjected to high-temperature treatment, organic matter is subjected to thermal cracking, the original molecular structure form is changed, and macromolecular organic matter is converted into micromolecular combustible gas, liquid fuel and solid fuel.

Description

Technical Field

[0001] This invention belongs to the field of municipal solid waste treatment technology, specifically a municipal solid waste pyrolysis treatment system. Background Technology

[0002] With the rapid development of my country's social economy, the acceleration of urbanization, and the rapid improvement of people's living standards, the amount of garbage and waste generated in urban production and life has also increased. Household waste occupies land, making waste disposal increasingly difficult, and the resulting environmental pollution problems have gradually attracted widespread attention from all sectors of society. In order to achieve the industrialization, resource utilization, reduction, and harmlessness of urban household waste, my country must deal with the challenges of mixed collection, low content and calorific value of recyclable materials, and high moisture content and biodegradable organic content of household waste. In response to these problems, a variety of technologies have emerged.

[0003] Currently, my country uses landfill, incineration, and pyrolysis gasification to treat municipal solid waste. Direct landfill involves filling the waste into a prepared pit, covering and compacting it to allow biological, physical, and chemical changes to occur, decomposing organic matter, but the decomposition cycle is relatively long. Incineration involves placing the waste in a high-temperature furnace to fully oxidize the combustible components, but this can cause air pollution.

[0004] The pyrolysis gasification method involves crushing waste into waste fragments, which are then transported to a pyrolysis furnace for pyrolysis gasification. In this process, the crushing and pyrolysis of waste are completed relatively independently using specialized crushing and pyrolysis equipment. Only after the waste has been crushed can it be transferred to the pyrolysis equipment using transportation equipment (such as conveyor belts, grabs, etc.) to complete the pyrolysis. This results in poor production continuity and low efficiency.

[0005] In view of this, the present invention designs a municipal solid waste pyrolysis treatment system to solve the above-mentioned technical problems. Summary of the Invention

[0006] The technical problem to be solved by this invention is that the existing methods for treating household waste are mostly landfill and incineration. These two methods do not effectively achieve the recycling and utilization of household waste, which is a waste of resources.

[0007] This invention provides a municipal solid waste pyrolysis treatment system, comprising:

[0008] Conveying assembly; the conveying assembly includes a conveyor belt and a roller shaft;

[0009] A crushing component, which is penetrated by a conveyor belt, is used to crush domestic waste on the conveyor belt;

[0010] A distillation tank is connected to a conveyor belt, which feeds the crushed household waste into the distillation tank for distillation.

[0011] Preferably, a magnet is fixed inside the conveyor belt.

[0012] Preferably, the crushing component includes:

[0013] A housing, which is penetrated by a conveyor belt;

[0014] A pusher component, located inside the housing and above the conveyor belt, is used to push household waste on the conveyor belt.

[0015] A crushing component, located above the conveyor belt, is used to crush domestic waste on the conveyor belt.

[0016] Preferably, the pusher includes:

[0017] A chassis, on which a push plate is rotatably connected; and a rotating shaft is fixedly connected to the chassis.

[0018] The upper plate and the base plate are located on opposite sides of the push plate, and the upper plate and the base plate are rotatably connected.

[0019] The upper plate is rotatably connected to the shell.

[0020] Preferably, the crushing component is a roller, a clamping plate is fixedly attached to the outer surface of the roller, and a No. 1 motor is fixedly attached to one side of the crushing component.

[0021] Preferably, the end of the card plate away from the roller is pointed.

[0022] Preferably, a scraper is fixed to the bottom of the housing, and the scraper is located below the conveyor belt.

[0023] Preferably, the distillation tank has an internal cavity, and a heating barrel is rotatably connected inside the cavity. The heating barrel has an internal cavity, and a stirring rod is rotatably connected inside the cavity.

[0024] Preferably, a resistance wire is fixedly connected inside the heating tank and the stirring rod.

[0025] Preferably, a first drive wheel is fixedly connected to the outer side of the heating barrel, a second drive wheel is fixedly connected to the inner side of the heating barrel, and a third drive wheel is fixedly connected to the outer side of the stirring rod. The second drive wheel and the third drive wheel mesh with each other, so that the heating barrel and the stirring rod can move together.

[0026] The present invention has the following advantages over the prior art:

[0027] 1. The present invention improves the efficiency of material feeding by incorporating crushing components on the conveyor belt, which is different from the prior art that requires manual sorting and crushing before transportation. This is because the conveyor belt can perform crushing while transporting materials.

[0028] 2. By designing the distillation tank as a hollow structure, with a heating barrel and a stirring rod inside the cavity, the heating becomes more uniform. At the same time, the heating barrel and the stirring rod can break up the ash inside the distillation tank, allowing the ash to be discharged more smoothly. Attached Figure Description

[0029] The invention will now be further described with reference to the accompanying drawings.

[0030] Figure 1 This is an overall positional diagram of the present invention;

[0031] Figure 2 This is a schematic diagram of the internal structure of the crushing component of the present invention;

[0032] Figure 3 This is a schematic diagram showing the connection between the pusher and the crusher of the present invention;

[0033] Figure 4 This is a top view of the pusher component of the present invention;

[0034] Figure 5 This is a main drawing of the pusher component of the present invention;

[0035] Figure 6 This is a schematic diagram of the internal structure of the distillation vessel of the present invention.

[0036] The invention will now be further described with reference to the accompanying drawings.

[0037] Conveying assembly 1, conveyor belt 11, rolling shaft 12, magnet 13, crushing component 2, shell 21, pusher component 22, chassis 222, pusher plate 223, upper plate 224, crushing component 23, clamping plate 231, scraper 24, distillation tank 3, heating tank 31, first transmission wheel 311, second transmission wheel 312, stirring rod 32, third transmission wheel 321, resistance wire 33. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] The drawback of existing municipal solid waste pyrolysis treatment systems is that the crushing and pyrolysis of waste are completed relatively independently using specialized crushing and pyrolysis equipment. Only after the waste is crushed can it be transferred to the pyrolysis equipment using transportation equipment (such as conveyor belts, grabs, etc.) to complete the pyrolysis. This results in poor production continuity and low efficiency.

[0040] To solve the above problems, the main concept adopted in this embodiment is: by setting crushing components on the conveyor belt, the conveyor belt can perform crushing processing while conveying, which effectively improves the feeding efficiency.

[0041] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0042] This invention provides a municipal solid waste pyrolysis treatment system, comprising:

[0043] Conveying component 1; the conveying component 1 includes a conveyor belt 11 and a rolling shaft 12;

[0044] Crushing component 2, which is penetrated by conveyor belt 11, is used to crush domestic waste on conveyor belt 11;

[0045] Distillation tank 3 is connected to conveyor belt 11, which feeds the crushed household waste from the crushing component 2 into distillation tank 3 for distillation.

[0046] When daily waste needs to be collected and cleaned up, the staff dumps the waste onto the conveyor belt 11. The conveyor belt 11 has a crushing component 2 in the middle, and the conveyor belt 11 passes through the crushing component 2. The equipment is equipped with an electric drive control system, which is existing technology. The staff operates the electric drive control system so that the waste on the conveyor belt 11 can be directly transported into the crushing component 2 for crushing.

[0047] In the existing technology, the crushing and pyrolysis of waste are completed relatively independently using specialized crushing equipment and pyrolysis equipment. Only after the waste is crushed can it be transferred to the pyrolysis equipment using transportation equipment (such as conveyor belts, grabs, etc.) to complete the pyrolysis. This results in poor production continuity and low efficiency.

[0048] This invention allows household waste to be crushed while being transported, improving transportation efficiency. At the same time, a distillation tank 3 is provided at the end of the conveyor belt 11, so that the household waste crushed by the crushing component 2 enters the distillation tank 3 for high-temperature treatment, causing the organic matter to undergo thermal decomposition.

[0049] In one specific embodiment of the present invention, the crushing component 2 includes:

[0050] Housing 21, which is penetrated by conveyor belt 11;

[0051] Pusher 22, located inside housing 21, is positioned above conveyor belt 11 and is used to push domestic waste on conveyor belt 11;

[0052] Crushing component 23, located above conveyor belt 11, is used to crush domestic waste on conveyor belt 11;

[0053] In one specific embodiment of the present invention, the pusher 22 includes:

[0054] A chassis 222, on which a push plate 223 is rotatably connected, and a rotating shaft is fixedly connected to the chassis 222;

[0055] Upper plate 224, which is located on both sides of the push plate 223 and the base plate 222, is rotatably connected to the base plate 222 and the housing 21;

[0056] In one specific embodiment of the present invention, the crushing component 23 is a roller, a clamping plate 231 is fixedly connected to the outer surface of the roller, and a No. 1 motor is fixedly connected to one side of the crushing component 23.

[0057] like Figure 2 As shown, the crushing component 2 includes a housing 21, a pusher 22, and a crushing component 23. Since the domestic waste on the conveyor belt 11 needs to be crushed before entering the distillation tank 3, the present invention provides a crushing component 2 in the middle of the conveyor belt 11. The crushing component 2 includes a housing 21, through which the conveyor belt 11 passes. The crushing component 23 is located above the conveyor belt 11 and is a roller. The operator controls the electric drive control system to activate a first motor. A first motor is fixedly connected to one side of the crushing component 23, and the output of the first motor drives the crushing component 23 to rotate. The roller is rotatably connected to the housing 21. By providing a crushing component 23, when the domestic waste above the conveyor belt 11 is transported to the crushing component 23, the crushing component 23 can crush the domestic waste. At the same time, since the conveyor belt 11 is flexible, a support plate is provided below the conveyor belt 11. The conveyor belt 11 is 5-10cm above the support plate, so that the support plate can provide support for the crushing component 23 during crushing. Furthermore, since the crushing component 23 moves in a rolling manner, it will push away the domestic waste that is close to the crushing component 23. Therefore, the present invention provides a pusher 22 on the side of the crushing component 23 away from the distillation tank 3 to improve the crushing efficiency of the crushing component 23.

[0058] like Figure 3-5As shown, the pusher component 22 includes a base 222, an upper plate 224, and a push plate 223. A second motor is fixedly connected to one side of the base 222, and a rotating shaft is fixedly connected to the output end of the second motor. The rotating shaft passes through the center of the base 222, allowing the pusher component 22 to move. Simultaneously, a rotating shaft is fixedly connected above the base 222, and the push plate 223 is rotatably connected to the side of the rotating shaft away from the second motor. This allows the push plate 223 to move together when the base 222 rotates. Since the push plate 223 and the base 222 are only rotatably connected via the rotating shaft, the direction of the push plate 223 cannot be guaranteed during movement. Therefore, this invention provides an upper plate 224 above the push plate 223, and a limiting shaft is fixedly connected above the upper plate 224. The limiting shaft and the push plate 223 are rotatably connected. By limiting the push plate 223 through the limiting shaft and the rotating shaft, the push plate 223 can maintain its position as it rotates with the base plate. Figure 4 The direction shown remains unchanged, such as Figure 2 As shown, when the No. 1 motor controls the crushing component 23 to work, the No. 2 motor drives the pushing component 22 to move in the opposite direction. The pushing component 22 can push the domestic waste on the conveyor belt 11 to the crushing component 23 for crushing. By providing the pushing component 22, the possibility of the crushing component 23 being affected by the rotating crushing component 23 during operation is reduced, thereby improving the working efficiency of the crushing component 23.

[0059] In one specific embodiment of the present invention, a magnet 13 is fixedly connected inside the conveyor belt 11;

[0060] In one specific embodiment of the present invention, the end of the card plate 231 away from the roller is pointed;

[0061] The crushing component 23 is a roller, and a clamping plate 231 is fixedly attached to the surface of the roller. The end of the clamping plate 231 away from the roller is pointed. Through the above design, the clamping plate 231 can cut and crush the household waste in contact with the clamping plate 231, so that longer household waste can be cut into shorter pieces that meet the requirements. At the same time, a magnet 13 is fixedly attached inside the conveyor belt 11, which can attract the small iron filings that have not been sorted out in the household waste. Then, when the conveyor belt 11 passes under the crushing component 2, a scraper 24 is fixedly attached inside the housing 21. The scraper 24 is located below the conveyor belt 11 and can scrape off the iron filings attracted on the conveyor belt 11.

[0062] In one specific embodiment of the present invention, the distillation tank 3 has a cavity inside, and a heating barrel 31 is rotatably connected inside the cavity. The heating barrel 31 has a cavity inside, and a stirring rod 32 is rotatably connected inside the cavity.

[0063] In one specific embodiment of the present invention, a first transmission wheel 311 is fixedly connected to the outer side of the heating barrel 31, a second transmission wheel 312 is fixedly connected to the inner side of the heating barrel 31, and a third transmission wheel 321 is fixedly connected to the outer side of the stirring rod 32. The second transmission wheel 312 and the third transmission wheel 321 mesh with each other, so that the heating barrel 31 and the stirring rod 32 can be linked together.

[0064] like Figure 6 As shown, the end of the conveyor belt 11 extends into the interior of the distillation tank 3, allowing the municipal solid waste on the conveyor belt 11 to be crushed and directly fed into the distillation tank 3 for thermal pyrolysis. Thermal pyrolysis utilizes the thermal instability of organic matter in the waste, heating it under anaerobic or hypoxic conditions to cause thermal pyrolysis, altering the original molecular structure and transforming large organic molecules into smaller combustible gases, liquid fuels, and solid fuels. Therefore, sufficient heating is crucial for ensuring thermal pyrolysis. Consequently, the present invention includes a cavity inside the distillation tank 3, with a heating barrel 31 rotatably connected inside the cavity. A stirring rod 32 is rotatably connected inside the heating barrel 31, and the heating barrel 31 and stirring rod 32 are connected by gears, allowing them to move together. For example, when municipal solid waste enters the distillation tank 3 through the feed inlet above the heating barrel 31, a first motor located at the bottom of the distillation tank 3 is activated. A gear is fixed to the output shaft of the first motor. The gear shown meshes with the first transmission wheel 311 fixed to the outer wall of the heating tank 31, so the first motor can drive the heating tank 31 to rotate. Furthermore, a second transmission wheel 312 is fixed inside the heating tank 31, and the second transmission wheel 312 meshes with a third transmission wheel 321 fixed to the outer wall of the stirring rod 32, thereby enabling the stirring rod 32 to rotate. At the same time, protrusions are formed on the outer surfaces of the heating tank 31 and the stirring rod 32. When the first motor drives the heating tank 31 and the stirring rod 32 to rotate, the protrusions can agitate the domestic waste in the distillation tank 3, making the domestic waste more evenly distributed inside the distillation tank 3, reducing the gaps between domestic waste, and increasing the amount of domestic waste that the distillation tank 3 can process in a single batch. At the same time, a solenoid valve is fixed inside the feed inlet. When the domestic waste inside the distillation tank 3 begins to be heated, the solenoid valve closes the feed inlet to prevent the flammable gas generated by the decomposition of domestic waste from leaking out through the feed inlet. In this invention, a resistance wire 33 is fixed inside the distillation tank 3 to heat the domestic waste inside the distillation tank 3.

[0065] The specific workflow is as follows:

[0066] This invention provides a municipal solid waste pyrolysis treatment system, including a conveying assembly 1, a crushing assembly 2, and a distillation tank 3. The conveying assembly 1 includes a conveyor belt 11 and a rolling shaft 12. During operation, municipal solid waste is poured onto the conveyor belt 11. The crushing assembly 2 is located in the middle of the conveyor belt 11, and the conveyor belt 11 passes through the crushing assembly 2, allowing the municipal solid waste on the conveyor belt 11 to be directly transported into the crushing assembly 2 for crushing. Simultaneously, a distillation tank 3 is located at the end of the conveyor belt 11, allowing the municipal solid waste crushed by the crushing assembly 2 to enter the distillation tank 3 for high-temperature treatment. This invention features a system in the middle of the conveyor belt 11... There is a crushing component 2, which includes a housing 21. A conveyor belt 11 passes through the housing 21. A crushing element 23, which is a roller, is located above the conveyor belt 11. The operator operates an electric drive control system to activate a first motor. The first motor is fixed to one side of the crushing element 23, and its output drives the crushing element 23 to rotate. The roller is rotatably connected to the housing 21. By providing the crushing element 23, when household waste is transported above the conveyor belt 11 to the crushing element 23, the crushing element 23 can crush the waste. Meanwhile, because the conveyor belt 11 is flexible, the crushing element 23 can also crush the waste below the conveyor belt 11. A support plate is provided, and the conveyor belt 11 is positioned 5-10 cm above the support plate, allowing the support plate to provide support for the crushing component 23 during crushing. Furthermore, since the crushing component 23 moves in a rolling motion, it will push away household waste near the crushing component 23, resulting in low crushing efficiency. Therefore, this invention provides a pusher component 22 on one side of the crushing component 23. The pusher component 22 includes a base 222, an upper plate 224, and a pusher plate 223. A second motor is fixedly connected to one side of the base 222, and a rotating shaft is fixedly connected to the output end of the second motor. The rotating shaft passes through the center of the base 222, allowing the pusher component 22 to move. At the same time, a rotating shaft is fixedly connected above the chassis 222. A push plate 223 is rotatably connected to the side of the rotating shaft away from the No. 2 motor, so that the push plate 223 can move together when the chassis 222 rotates. Since the push plate 223 and the chassis 222 are only rotatably connected by the rotating shaft, the direction of the push plate 223 cannot be guaranteed during movement. Therefore, the present invention provides an upper plate 224 above the push plate 223. A limiting shaft is fixedly connected above the upper plate 224. The limiting shaft is rotatably connected to the push plate 223. By limiting the push plate 223 through the limiting shaft and the rotating shaft, the push plate 223 can maintain its position as the chassis rotates. Figure 4 The direction shown remains unchanged, such as Figure 2 As shown, when the No. 1 motor controls the crushing component 23 to work, the No. 2 motor drives the pushing component 22 to move in the opposite direction. The pushing component 22 can push the domestic waste on the conveyor belt 11 to the crushing component 23 for crushing. By providing the pushing component 22, the possibility of the crushing component 23 being affected by the rotating crushing component 23 is reduced when it is working, thereby improving the working efficiency of the crushing component 23.

[0067] The crushing component 23 is a roller, and a clamping plate 231 is fixedly attached to the surface of the roller. The end of the clamping plate 231 away from the roller is pointed. Through the above design, the clamping plate 231 can cut and crush the household waste in contact with the clamping plate 231, so that longer household waste can be cut into shorter pieces that meet the requirements. The end of the conveyor belt 11 extends into the interior of the distillation tank 3, so that the household waste on the conveyor belt 11 can be directly fed into the distillation tank 3 for thermal pyrolysis after crushing. The thermal pyrolysis method utilizes the thermal instability of organic matter in the waste, and is carried out under anaerobic or hypoxic conditions. Heat causes organic matter to undergo pyrolysis, altering its original molecular structure and transforming large organic molecules into smaller combustible gases, liquid fuels, and solid fuels. Therefore, sufficient heating is a crucial step in ensuring pyrolysis. Consequently, this invention incorporates a cavity inside the distillation tank 3, with a heating barrel 31 rotatably connected within this cavity. A stirring rod 32 is rotatably connected within the heating barrel 31, and the heating barrel 31 and stirring rod 32 are connected by gears, allowing them to move together. For example, when household waste undergoes pyrolysis... When the feed inlet above the heating tank 31 enters the distillation tank 3, the No. 1 motor located at the bottom of the distillation tank 3 is activated. A gear is fixedly connected to the output shaft of the No. 1 motor, and this gear meshes with the first transmission wheel 311 fixed to the outer wall of the heating tank 31. Therefore, the No. 1 motor can drive the heating tank 31 to rotate. Furthermore, a second transmission wheel 312 is fixedly connected inside the heating tank 31, and the second transmission wheel 312 meshes with the third transmission wheel 321 fixed to the outer wall of the stirring rod 32, thereby enabling the stirring rod 32 to rotate. Simultaneously, protrusions are formed on the outer surfaces of both the heating tank 31 and the stirring rod 32. When the No. 1 motor... When the machine drives the heating tank 31 and stirring rod 32 to rotate, the protrusions can agitate the domestic waste in the distillation tank 3, making the domestic waste more evenly distributed inside the distillation tank 3 and reducing the gaps between the domestic waste, thereby increasing the amount of domestic waste that the distillation tank 3 can process at one time. At the same time, solenoid valves are fixedly connected inside the feed inlet. When the domestic waste inside the distillation tank 3 begins to be heated, the solenoid valves close the feed inlet to prevent the flammable gas generated by the decomposition of domestic waste from leaking out through the feed inlet. In this invention, a resistance wire 33 is fixedly connected inside the distillation tank 3 to heat the domestic waste inside the distillation tank 3.

[0068] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A system for processing household waste by pyrolysis, characterized in that it comprises: The utility model relates to a household garbage treatment device, which comprises: a conveying assembly (1), the conveying assembly (1) comprising a conveying belt (11) and a rolling shaft (12); a crushing assembly (2) penetrated by the conveying belt (11) and used for crushing household garbage on the conveying belt (11); a distillation tank (3) in communication with the conveying belt (11), the conveying belt (11) conveying the household garbage crushed by the crushing assembly (2) into the distillation tank (3) for distillation.

2. The household garbage pyrolysis processing system according to claim 1, wherein The crushing assembly (2) comprises: a shell (21) penetrated by the conveying belt (11); a pushing member (22) located inside the shell (21) and above the conveying belt (11) and used for pushing the household garbage on the conveying belt (11); a crushing member (23) located above the conveying belt (11) and used for crushing the household garbage on the conveying belt (11).

3. The household garbage pyrolysis processing system according to claim 2, wherein The pushing member (22) comprises: a bottom disc (222) to which a pushing plate (223) is rotatably connected, and a rotating shaft fixed to the bottom disc (222); an upper disc (224) located on both sides of the pushing plate (223) with the bottom disc (222), the upper disc (224) being rotatably connected with the bottom disc (222) and the shell (21).

4. The household garbage pyrolysis processing system according to claim 1, wherein A magnet (13) is fixed inside the conveying belt (11).

5. The household garbage pyrolysis processing system according to claim 3, wherein The crushing member (23) is a roller, the outer surface of the roller is fixed with a clamping plate (231), and one side of the crushing member (23) is fixed with a motor.

6. The household garbage pyrolysis processing system according to claim 5, wherein The end of the clamping plate (231) away from the roller is in the shape of a sharp end.

7. The household garbage pyrolysis processing system according to claim 3, wherein A scraper (24) is fixed to the bottom of the shell (21) and located below the conveying belt (11).

8. The household garbage pyrolysis processing system according to claim 1, wherein The distillation tank (3) is internally provided with a cavity, the cavity is rotatably connected with a heating barrel (31), the heating barrel (31) is internally provided with a cavity, and the cavity is rotatably connected with a stirring rod (32).

9. The household garbage pyrolysis processing system according to claim 8, wherein, Resistance wires (33) are fixed inside the heating barrel (31) and the stirring rod (32).

10. The household waste pyrolysis processing system according to claim 8, wherein, A first transmission wheel (311) is fixed to the outside of the heating barrel (31), a second transmission wheel (312) is fixed to the inside of the heating barrel (31), a third transmission wheel (321) is fixed to the outside of the stirring rod (32), and the second transmission wheel (312) is engaged with the third transmission wheel (321) so that the heating barrel (31) and the stirring rod (32) can be linked.

Images