High-temperature pyrolysis equipment for household garbage and sludge

By using a high-temperature resistant synchronous belt drive and a stable support structure design, the problem of high-temperature effects on servo motors has been solved, enabling stable operation and convenient maintenance of the high-temperature pyrolysis equipment for municipal solid waste and sludge, and improving the pyrolysis efficiency and safety of the equipment.

CN224680780UActive Publication Date: 2026-08-25LIAONING EQUIPMENT MACHINERY MANUFACTURING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202522149940.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-08-25
Estimated Expiration
2035-10-11

AI Technical Summary

Technical Problem

In existing high-temperature pyrolysis equipment for municipal solid waste and sludge, the output shaft of the servo motor is easily affected by high temperature, resulting in unstable operation. Furthermore, the connection between the cylinder and the servo motor directly conducts high temperature, affecting the stability and ease of maintenance of the equipment.

Method used

The system employs a high-temperature resistant synchronous belt drive system. The drive motor's power output shaft and the synchronous pulley on the outer periphery of the vertical shaft are driven by a high-temperature resistant synchronous belt. The synchronous pulley and synchronous belt are located on the outside of the pyrolysis furnace body. The retaining shaft at the bottom of the vertical shaft is engaged with the cylinder and fixed by a screw pin. The pin hole on the outer periphery of the cylinder is screwed into the pin hole of the retaining shaft. The design of the triangular shaft seat, ring seat, and shaft cylinder provides stable support and limit. The protruding rod at the bottom of the cylinder fits into the ring seat, and the inclined groove inside the ring seat connects to the shaft cylinder. The asbestos ring provides heat insulation. The C-shaped ring at the connection between the vertical shaft and the retaining shaft provides limit, achieving stable transmission at high temperatures and convenient assembly and disassembly.

Benefits of technology

It effectively reduces the impact of high temperature on the drive motor, ensures stable equipment operation, facilitates the disassembly and maintenance of the cylinder and spiral mesh plate, and improves pyrolysis efficiency and equipment safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224680780U_ABST
    Figure CN224680780U_ABST
Patent Text Reader

Abstract

The utility model relates to domestic waste and sludge treatment equipment technical field, and specifically is a kind of domestic waste and sludge high-temperature pyrolysis equipment, including pyrolysis furnace main part, the top surface of pyrolysis furnace main part is equipped with the top cover for plugging by bolt, and the top cover top opening end is equipped with the disc seat for plugging by screw assembly, the disc seat inboard is rotatably installed the vertical shaft for transmission by pivot, and the top cover outer wall surface is equipped with the ring frame for supporting by bolt assembly;In the process of using domestic waste and sludge high-temperature pyrolysis equipment, synchronous pulley on the power output shaft of driving motor and the synchronous pulley between the outer periphery of vertical shaft are driven by high-temperature-resistant synchronous belt, and synchronous pulley and synchronous belt are all located the outside of pyrolysis furnace main part, it is convenient to reduce the influence caused by high temperature when pyrolyzing domestic waste and sludge in pyrolysis furnace main part, so that driving motor can more stably assist when pyrolyzing domestic waste and sludge.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of municipal solid waste and sludge treatment equipment, specifically to a high-temperature pyrolysis device for municipal solid waste and sludge. Background Technology

[0002] The treatment of municipal solid waste and sludge is an important aspect of urban management and environmental protection. Municipal solid waste mainly consists of waste generated in daily life, including kitchen waste, plastic waste, paper, and metals. Sludge, on the other hand, is waste generated during wastewater treatment, containing large amounts of organic matter, heavy metals, and pathogens. If these wastes are not properly treated, they can cause serious environmental pollution. Therefore, effective treatment methods are needed, such as high-temperature pyrolysis gasification equipment for municipal solid waste and sludge. Patent number CN202420164204.8 discloses a high-temperature pyrolysis gasification equipment for municipal solid waste and sludge. Opening the side cover of the feeding port facilitates the addition of municipal solid waste and sludge into the inner furnace. Connecting the servo motor power supply allows the servo motor to drive the rotation of the annular mesh plate on the cylinder, thereby evenly adding the municipal solid waste and sludge to the top of the annular mesh plate. To prevent the accumulation of municipal solid waste and sludge, which would affect the efficiency of high-temperature pyrolysis and gasification, the flue gas generated during combustion is discharged through the exhaust pipe. A pressure gauge facilitates the monitoring of the pressure inside the furnace, allowing personnel to easily assess the situation. When the pressure exceeds the safe level inside the furnace, the pressure relief valve on the pressure relief pipe is opened for rapid pressure release. However, during the use of the high-temperature pyrolysis equipment for biological waste and sludge, the inner furnace cylinder and annular mesh plate evenly distribute the biological waste and sludge, and the output shaft of the servo motor is directly connected to the cylinder. The high temperature generated during pyrolysis is conducted through the cylinder to the output shaft of the servo motor, which can easily affect its operation. Therefore, we propose a high-temperature pyrolysis device for municipal solid waste and sludge. Utility Model Content

[0003] To address the problems in the existing technology, this utility model provides a high-temperature pyrolysis device for municipal solid waste and sludge.

[0004] The technical solution adopted by this utility model to solve its technical problem is a high-temperature pyrolysis device for municipal solid waste and sludge, including a pyrolysis furnace body. The top surface of the pyrolysis furnace body is bolted with a top cover for sealing, and the top opening of the top cover is bolted with a disk seat for sealing. The inner side of the disk seat is rotatably mounted with a vertical shaft for transmission, and the outer wall surface of the top cover is bolted with a ring frame for support. The bottom surface of the ring frame is bolted with a drive motor, and the drive motor power output end and the outer periphery of the vertical shaft are both equipped with synchronous pulleys for transmission. A synchronous belt for transmission is assembled between the two sets of synchronous pulleys. The vertical shaft is integrally constructed with a retaining shaft at one end inside the pyrolysis furnace body, and the end of the retaining shaft away from the vertical shaft is engaged with a cylinder located inside the pyrolysis furnace body. The outer periphery of the cylinder is equipped with a spiral mesh plate for evenly distributing domestic waste and sludge, and the outer periphery surface of the cylinder and the outer periphery surface of the retaining shaft are both provided with pin holes for limiting, and there are multiple sets of pin holes. The inner side of the pin holes is screwed with a screw for fixing.

[0005] By adopting the above technical solution, during the use of the high-temperature pyrolysis equipment for municipal solid waste and sludge, the synchronous pulley on the power output shaft of the drive motor and the synchronous pulley on the outer periphery of the vertical shaft are driven by a high-temperature resistant synchronous belt. Both the synchronous pulley and the synchronous belt are located on the outside of the pyrolysis furnace body, which helps to reduce the impact of the high temperature on the drive motor when pyrolyzing municipal solid waste and sludge inside the pyrolysis furnace body, so that the drive motor can provide more stable assistance when pyrolyzing municipal solid waste and sludge. During the use of the high-temperature pyrolysis equipment for municipal solid waste and sludge, the retaining shaft at the bottom of the vertical shaft engages with the cylinder. Then, the screw pins are screwed into the pin holes on the outer periphery of the cylinder and into the pin holes on the outer periphery of the retaining shaft. This facilitates the retaining shaft and cylinder to be locked in place and fixed, and is easy to disassemble and assemble. It also makes it easy to disassemble, maintain or replace the cylinder and its outer spiral mesh plates. The operation is simple and convenient.

[0006] Specifically, a triangular bearing for support is bolted to the bottom inner surface of the pyrolysis furnace body, and a ring bearing for support is bolted to the end of the cylinder near the triangular bearing. A shaft cylinder that engages with the triangular bearing is rotatably mounted on the inner side of the ring bearing via a bearing.

[0007] By adopting the above technical solution, the triangular bearing can easily engage with the rotating cylinder in the bottom ring seat of the cylinder, which facilitates the auxiliary support for the rotation of the cylinder, so that the cylinder can rotate more stably and drive the spiral mesh plate to evenly distribute biological waste and sludge.

[0008] Specifically, the side of the cylinder near the ring seat has an integrally formed protrusion that fits into the ring seat, and there are multiple sets of protrusions.

[0009] By adopting the above technical solution, the protruding rod at the bottom of the cylinder can easily fit into the hole on the ring seat, which facilitates the improvement of the stability of the ring seat when it is installed at the bottom of the cylinder.

[0010] Specifically, the inner circumferential surface of the ring seat is provided with an inclined groove that communicates with the shaft cylinder.

[0011] By adopting the above technical solution, the inclined groove on the ring seat is connected to the shaft cylinder, so that the shaft cylinder inside the ring seat can be more smoothly engaged and connected with the triangular shaft seat.

[0012] Specifically, the outer periphery of the tray is fitted with an asbestos ring that matches the top cover.

[0013] By adopting the above technical solution, the asbestos ring can provide a certain degree of heat insulation, thereby improving the tightness of the connection between the plate and the top cover and reducing the leakage of high temperature through the gap between them.

[0014] Specifically, a groove is provided at the connection between the vertical shaft and the locking shaft, and a C-shaped ring for limiting the position is engaged inside the groove.

[0015] By adopting the above technical solution, the groove at the connection between the vertical shaft and the locking shaft facilitates the C-ring locking, which provides a certain limiting performance when the locking shaft and the cylinder are locked together, and facilitates the subsequent locking and tightening of the locking shaft and the cylinder after the screw and pin hole are connected.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The technical solution of this application, through the design of the top cover, disc base, ring frame, drive motor, vertical shaft, synchronous pulley and synchronous belt, enables the synchronous pulley on the power output shaft of the drive motor to be driven by the synchronous pulley on the outer periphery of the vertical shaft during the use of the high temperature pyrolysis equipment for municipal solid waste and sludge. The synchronous pulley and synchronous belt are both located on the outside of the pyrolysis furnace body, which helps to reduce the impact of the high temperature inside the pyrolysis furnace body on the drive motor during the pyrolysis of municipal solid waste and sludge, so that the drive motor can provide more stable assistance during the pyrolysis of municipal solid waste and sludge.

[0017] 2. The technical solution of this application, through the design of the clamping shaft, cylinder, spiral mesh plate, pin hole and screw, allows the clamping shaft at the bottom of the vertical shaft to engage with the cylinder during the use of the high-temperature pyrolysis equipment for municipal solid waste and sludge. Subsequently, the screw is screwed into the pin hole on the outer periphery of the cylinder and into the pin hole on the outer periphery of the clamping shaft. This facilitates the limiting and fixing of the clamping shaft and cylinder after engagement, and is easy to disassemble and assemble. It also facilitates the disassembly, maintenance or replacement of the cylinder and its outer spiral mesh plate, making the operation simple and convenient. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is an isometric view of the present invention; Figure 2 This is an exploded view of the connection structure between the disc base and the cylinder of this utility model; Figure 3 This is a schematic diagram of the structure at point A on the outer periphery of the cylindrical body of this utility model; In the diagram: 1. Main body of the pyrolysis furnace; 2. Top cover; 3. Disc base; 4. Ring frame; 5. Drive motor; 6. Vertical shaft; 7. Synchronous pulley; 8. Synchronous belt; 9. Shaft clamp; 10. Cylinder; 11. Spiral mesh plate; 12. Pin hole; 13. Screw pin; 14. Triangular shaft seat; 15. Ring seat; 16. Shaft cylinder; 17. Inclined groove; 18. Protruding rod; 19. Asbestos ring; 20. Ring groove; 21. C-shaped ring. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figure 1-3 This utility model provides a technical solution: a high-temperature pyrolysis device for municipal solid waste and sludge, comprising a pyrolysis furnace body 1, a top cover 2 for sealing is bolted to the top surface of the pyrolysis furnace body 1, and a sealing disc 3 is bolted to the top opening of the top cover 2, a vertical shaft 6 for transmission is rotatably mounted on the inner side of the disc 3 via a rotating shaft, and a supporting ring frame 4 is bolted to the outer wall surface of the top cover 2, a drive motor 5 is bolted to the bottom surface of the ring frame 4, and the drive motor power output end is connected to the outer periphery of the vertical shaft 6. The system is equipped with synchronous pulleys 7 for transmission, and synchronous belts 8 for transmission are installed between the two sets of synchronous pulleys 7. One end of the vertical shaft 6 located inside the pyrolysis furnace body 1 is integrally constructed with a retaining shaft 9, and the end of the retaining shaft 9 away from the vertical shaft 6 is connected to a cylinder 10 located inside the pyrolysis furnace body 1. The outer periphery of the cylinder 10 is equipped with a spiral mesh plate 11 for evenly distributing domestic waste and sludge, and the outer periphery surfaces of the cylinder 10 and the retaining shaft 9 are both provided with pin holes 12 for limiting, and there are multiple sets of pin holes 12. Screw pins 13 for fixing are screwed into the inner side of the pin holes 12.

[0022] During use, when the high-temperature pyrolysis equipment for municipal solid waste and sludge is used, the synchronous pulley 7 on the power output shaft of the drive motor 5 and the synchronous pulley 7 on the outer periphery of the vertical shaft 6 are driven by a high-temperature resistant synchronous belt 8. Both the synchronous pulley 7 and the synchronous belt 8 are located on the outside of the pyrolysis furnace body 1, which helps to reduce the impact of the high temperature inside the pyrolysis furnace body 1 on the drive motor 5 during the pyrolysis of municipal solid waste and sludge, so that the drive motor 5 can provide more stable assistance during the pyrolysis of municipal solid waste and sludge. During the use of the high-temperature pyrolysis equipment for municipal solid waste and sludge, the retaining shaft 9 at the bottom of the vertical shaft 6 engages with the cylinder 10. Then, the screw pin 13 engages with the pin hole 12 on the outer periphery of the cylinder 10 and with the pin hole 12 on the outer periphery of the retaining shaft 9. This facilitates the retaining shaft 9 and the cylinder 10 to be engaged and fixed, and is easy to disassemble and assemble. It also facilitates the disassembly, maintenance or replacement of the cylinder 10 and its outer spiral mesh plate 11. The operation is simple and convenient.

[0023] like Figure 2 and Figure 3 As shown, a triangular bearing 14 for support is bolted to the inner bottom surface of the pyrolysis furnace body 1, and a ring bearing 15 for support is bolted to one end of the cylinder 10 near the triangular bearing 14. A shaft cylinder 16 that is engaged with the triangular bearing 14 is rotatably mounted on the inner side of the ring bearing 15.

[0024] In use, the triangular bearing 14 can easily engage with the shaft cylinder 16 rotatably installed in the bottom ring seat 15 of the cylinder body 10, which facilitates the auxiliary support for the rotation of the cylinder body 10, so that the cylinder body 10 can rotate more stably and drive the spiral mesh plate 11 to evenly distribute biological waste and sludge.

[0025] like Figure 2 and Figure 3 As shown, the side of the cylinder 10 near the ring seat 15 has an integrally constructed protrusion 18 that matches the ring seat 15, and there are multiple sets of protrusions 18.

[0026] When in use, the protruding rod 18 at the bottom of the cylinder 10 can easily fit into the hole on the ring seat 15, which can improve the stability of the ring seat 15 when it is installed at the bottom of the cylinder 10.

[0027] like Figure 2 and Figure 3 As shown, the inner circumferential surface of the ring seat 15 is provided with an inclined groove 17 that communicates with the shaft cylinder 16.

[0028] During use, the inclined groove 17 on the ring seat 15 is connected to the shaft cylinder 16, so that the shaft cylinder 16 inside the ring seat 15 can be more smoothly engaged with the triangular shaft seat 14.

[0029] like Figure 2 As shown, an asbestos ring 19 that fits into the top cover 2 is snapped onto the outer periphery of the base 3.

[0030] When in use, the asbestos ring 19 provides a certain degree of thermal insulation, thereby improving the tightness of the connection between the plate base 3 and the top cover 2, and reducing the leakage of high temperature through the gap between them.

[0031] like Figure 2 As shown, a groove 20 is provided at the connection between the vertical shaft 6 and the locking shaft 9, and a C-shaped ring 21 for limiting is engaged inside the groove 20.

[0032] In use, the groove 20 at the connection between the vertical shaft 6 and the locking shaft 9 facilitates the engagement of the C-ring 21, providing a certain limiting performance when the locking shaft 9 and the cylinder 10 are engaged with each other, and making it convenient for the subsequent screw pin 13 and pin hole 12 to cooperate with each other to limit and lock the locking shaft 9 and the cylinder 10 after they are connected.

[0033] The working principle and usage process of this utility model are as follows: In use, first, install the corresponding structural components in suitable positions. When the equipment is running, first, add the domestic waste and sludge to be processed into the pyrolysis furnace body 1 through the feeding port on the outside of the pyrolysis furnace body 1, and then seal it with the furnace cover. The asbestos ring 19 on the outer periphery of the plate seat 3 on the surface of the top cover 2 enhances the sealing performance and reduces high-temperature leakage. Then, after starting the drive motor 5 using the controller, the synchronous wheel 7 at its power output end drives the synchronous wheel 7 on the outer periphery of the vertical shaft 6 to rotate via the synchronous belt 8, thereby driving the vertical shaft 6 to rotate. Since both the synchronous wheel 7 and the synchronous belt 8 are located on the outside of the pyrolysis furnace body 1, the adverse effects of high temperatures inside the furnace on the drive motor 5 can be effectively avoided, ensuring stable power transmission. Subsequently, when the vertical shaft 6 rotates, it drives the cylinder 10 to rotate synchronously through the bottom retaining shaft 9 (the retaining shaft 9 and the cylinder 10 are firmly connected by screw pins 13 threaded through corresponding pin holes 12, and the C at the connection between the vertical shaft 6 and the retaining shaft 9...). The ring further improves the smoothness of connection, and during the rotation of the cylinder 10, the spiral mesh plate 11 on its outer periphery rotates accordingly, stirring and pushing the domestic waste and sludge in the furnace to achieve uniform material distribution. This ensures that the material can burn and be heated evenly in a high-temperature environment, improving the pyrolysis efficiency. Subsequently, the operation of other structural components of the pyrolysis furnace body 1 facilitates the pyrolysis of biological waste and sludge, thereby processing them more smoothly. At the same time, the bottom of the cylinder 10 is connected to the shaft cylinder 16 through the ring seat 15, and the shaft cylinder 16 can rotate inside the ring seat 15. The shaft cylinder 16 engages with the triangular shaft seat 14 at the bottom inner side of the pyrolysis furnace body 1, and the inclined groove 1 in the ring seat 15... 7. Ensure smooth connection between the shaft cylinder 16 and the triangular bearing 14, providing stable rotational support for the cylinder 10 and preventing the cylinder 10 from shifting or shaking during high-speed rotation. In addition, the multiple sets of protruding rods 18 at the bottom of the cylinder 10 fit with the ring seat 15, further enhancing the stability of the connection between the ring seat 15 and the cylinder 10. Throughout the process, the various structures work together to achieve efficient and uniform pyrolysis of materials. Through reasonable transmission layout and connection design, the stability and safety of equipment operation are ensured. At the same time, it is convenient to disassemble, maintain or replace the cylinder 10 and the spiral mesh plate 11 in the later stage, so that the pyrolysis furnace body 1 can process domestic waste and sludge more conveniently and stably.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-temperature pyrolysis device for municipal solid waste and sludge, characterized in that, The pyrolysis furnace body (1) is equipped with a top cover (2) for sealing by bolts on the top surface of the pyrolysis furnace body (1), and a plate seat (3) for sealing is equipped with screws on the top opening end of the top cover (2). A vertical shaft (6) for transmission is rotatably installed on the inner side of the plate seat (3) by a rotating shaft, and a ring frame (4) for support is equipped with bolts on the outer wall surface of the top cover (2). A drive motor (5) is equipped with bolts on the bottom surface of the ring frame (4), and a synchronous pulley (7) for transmission is equipped on both the drive motor power output end and the outer periphery of the vertical shaft (6). A synchronous belt (8) for transmission is assembled between the two sets of synchronous pulleys (7). The vertical shaft (6) is integrally constructed with a retaining shaft (9) at one end inside the pyrolysis furnace body (1), and the end of the retaining shaft (9) away from the vertical shaft (6) is connected to a cylinder (10) located inside the pyrolysis furnace body (1). The outer periphery of the cylinder (10) is equipped with a spiral mesh plate (11) for evenly distributing domestic waste and sludge, and the outer periphery surface of the cylinder (10) and the outer periphery surface of the retaining shaft (9) are both provided with pin holes (12) for limiting, and there are multiple sets of pin holes (12). The inner side of the pin holes (12) is screwed with a screw pin (13) for fixing.

2. The high-temperature pyrolysis equipment for municipal solid waste and sludge according to claim 1, characterized in that, The bottom inner surface of the pyrolysis furnace body (1) is bolted with a triangular bearing seat (14) for support, and the end of the cylinder (10) near the triangular bearing seat (14) is bolted with a ring seat (15) for support. The inner side of the ring seat (15) is rotatably mounted with a shaft cylinder (16) that engages with the triangular bearing seat (14).

3. The high-temperature pyrolysis equipment for municipal solid waste and sludge according to claim 2, characterized in that, The cylindrical body (10) has an integrally constructed protrusion (18) on the side near the ring seat (15) that fits into the ring seat (15), and there are multiple sets of protrusions (18).

4. The high-temperature pyrolysis equipment for municipal solid waste and sludge according to claim 2, characterized in that, The inner circumferential surface of the ring seat (15) is provided with an inclined groove (17) that communicates with the shaft cylinder (16).

5. The high-temperature pyrolysis equipment for municipal solid waste and sludge according to claim 1, characterized in that, The outer periphery of the plate base (3) is fitted with an asbestos ring (19) that fits with the top cover (2).

6. The high-temperature pyrolysis equipment for municipal solid waste and sludge according to claim 1, characterized in that, A groove (20) is provided at the connection between the vertical shaft (6) and the locking shaft (9), and a C-shaped ring (21) for limiting is engaged inside the groove (20).

Citation Information

Patent Citations

  • High-temperature pyrolysis gasification equipment for household garbage and sludge

    CN222417455U