Sludge carbonization device

Abstract

The utility model relates to the field of sludge carbonization, in particular to a sludge carbonization device. The technical problems that in the sludge carbonization process, secondary pollution is likely to be caused, meanwhile, energy of a treated product cannot be utilized, the treatment environment is severe, and the treatment mode is single are solved. According to the technical scheme, the sludge carbonization device comprises a hearth support, and a hearth is arranged at the top end of the hearth support; the device further comprises a conveying chain assembly, a feeding port assembly, a discharging port assembly, an exhaust fume collecting hood assembly, a motor assembly, an ash falling assembly and an air inlet valve assembly. According to the utility model, the smoke outlet oxygen concentration sensor is arranged to control the opening and closing of the discharge port, the oxygen content required by carbonization in the furnace, the temperature of the thermocouple is detected to control the big and small fire of the burner and the temperature of the whole hearth, so that the personal safety of operators is ensured, the sludge is finely carbonized, and carbonized products can be utilized; and secondary pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sludge carbonization, in particular to a sludge carbonization device. Background Art

[0002] With the rapid development of urbanization and national economy, the treatment rates of urban sewage and industrial sewage are constantly improving, and the generation and amount of sludge are increasing sharply. Sludge disposal will become a professional emerging industry. However, the existing sludge carbonization devices are mostly used in harmless processing such as breaking up, dehydration and drying or incineration during use. A large amount of waste gas will be generated during the processing, and the sludge waste gas cannot be completely treated, which is easy to cause secondary pollution. At the same time, the energy of the treated product cannot be utilized. The treatment environment is relatively harsh and the treatment method is relatively single. Utility Model Content

[0003] In order to overcome the problems of secondary pollution easily caused in the process of sludge carbonization, the energy of the treated products cannot be utilized, the treatment environment is relatively harsh and the treatment method is relatively single.

[0004] The technical solution of the utility model is: a sludge carbonization device, including a furnace support, and a furnace is arranged at the top of the furnace support; it also includes a conveyor chain assembly, a feed port assembly, a discharge port assembly, a smoke hood assembly, a motor assembly, an ash falling assembly, and an air intake valve assembly. The furnace at the top of the furnace support is provided with a conveyor chain assembly, the top of the conveyor chain assembly is provided with a feed port assembly, the bottom end of the furnace at the top of the furnace support is provided with a discharge port assembly, the rear end of the feed port assembly is provided with a smoke hood assembly, the front end of the left end furnace support is provided with a motor assembly, the rear side of the bottom end of the furnace at the top of the furnace support is provided with an ash falling assembly, and the interior of the smoke hood assembly is provided with an air intake valve assembly.

[0005] Preferably, an oxygen concentration sensor is set at the smoke exhaust port to control the discharge port switch, the oxygen content required for carbonization in the furnace is controlled, the thermocouple temperature detection controls the size of the burner fire, and the temperature of the entire furnace is controlled to ensure the personal safety of the operator, and the sludge is finely carbonized. The carbonized product can be utilized to avoid secondary pollution. The sludge is carbonized at high temperature and the carbonized product is used as fuel to reduce or eliminate sludge pollution. The data is detected by thermocouples and oxygen concentration sensors and transmitted to the human-machine interface, which is simple and clear. At the same time, accurate research data can be obtained to cope with various research directions, achieving diversity and scientificity.

[0006] Preferably, the conveyor chain assembly includes sprocket shaft one, sprocket shaft two, supporting channel steel, chain support frame, and conveyor chain. Sprocket shaft one is arranged inside the furnace, sprocket shaft two is arranged on one side of sprocket shaft one, conveyor chains are arranged on the outer sides of sprocket shaft one and sprocket shaft two, chain support frames are arranged inside the conveyor chain, and supporting channel steels are arranged between the chain support frames. The sludge is input into the carbonization furnace through the conveyor chain assembly, the sludge treatment process can be remotely controlled, and the safety of operators is guaranteed.

[0007] Preferably, the feed port assembly includes a feed port bracket, a feed hopper, a feed port adjustment plate, a feed port cover, a welding plate, and a pentagonal external thread mounting handle. A feed port bracket is arranged at the top of the furnace, a feed hopper is arranged at the top of the feed port bracket, the top of the feed hopper is movably connected to the feed port adjustment plate, the top of the feed hopper is movably connected to the feed port cover, welding plates are arranged on the left and right sides of the feed hopper, and the front end of the feed port adjustment plate is movably connected to the pentagonal external thread mounting handle. The setting of the feed assembly facilitates the entry of sludge and improves safety in use.

[0008] Preferably, the discharge port assembly includes a discharge port, a discharge port plug plate, an electric push rod mounting plate, an electric push rod, and a push rod fixing frame. The discharge port is provided at the bottom end of the furnace at the top end of the furnace bracket, the discharge port plug plate is provided at the bottom end of the discharge port, the electric push rod mounting plate is provided on the right side of the discharge port, the electric push rod mounting plate is provided at the top end of the electric push rod mounting plate, and the top end of the discharge port plug plate is movably connected with a push rod fixing frame. The setting of the discharge assembly facilitates the discharge of carbonized sludge and is convenient for the staff to collect and store it.

[0009] Preferably, the smoke hood assembly includes an inner smoke hood, an outer smoke hood, a smoke hood bracket, an explosion-proof door, an explosion-proof door frame, an asbestos pad for the explosion-proof door, a hinge, and thermal insulation cotton for the explosion-proof door. The inner smoke hood is arranged inside the top of the furnace at the top of the furnace bracket, the outer smoke hood is arranged outside the inner smoke hood, and the outer smoke hood is arranged at the top of the furnace at the top of the furnace bracket. The outer side of the outer smoke hood is movably connected to an oxygen concentration sensor, and the bottom of the outer smoke hood is provided with a smoke hood bracket. An explosion-proof door is arranged between the inner cover and the smoke collecting outer cover, an explosion-proof door frame is arranged on the outside of the explosion-proof door, and the explosion-proof door frame is arranged on the surface of the smoke collecting outer cover, an explosion-proof door asbestos pad is arranged between the explosion-proof door frame and the explosion-proof door, a hinge is arranged between the explosion-proof door and the explosion-proof door frame, and explosion-proof door insulation cotton is arranged between the explosion-proof door asbestos pad and the explosion-proof door frame. The setting of the smoke collecting hood assembly is convenient for collecting the gas generated during the high-temperature carbonization of the sludge, so as to avoid the leakage of harmful gas and harm to the environment.

[0010] Preferably, the motor assembly includes an output conveyor belt, a torque limiter, and a frequency conversion motor. The front end of the left furnace bracket is provided with a frequency conversion motor, the output end of the frequency conversion motor is connected to the output conveyor belt, and a torque limiter is provided between the output conveyor belts of the frequency conversion motor. The ash removal assembly includes an outer shell, an inner shell, an ash removal door, a handle screw, and an ash removal hopper. A plurality of ash removal hoppers are equidistantly provided at the bottom end of the furnace at the top end of the furnace bracket. The ash removal hopper is provided with an outer shell, and an inner shell is provided inside the outer shell. The inner shell is movably connected to the ash removal door, and a handle screw is provided on one side surface of the outer shell, and the handle screw is connected to the ash removal door. The motor assembly provides power to the sludge carbonization device to enable it to operate.

[0011] Preferably, the air intake valve assembly includes a DN25 ball valve, a DN50 main air pipe, a DN20 branch air pipe, and a 100,000 kcal burner. A DN50 main air pipe is provided at the air intake end of the air intake pipe, a DN25 ball valve is provided at the connection between the DN50 main air pipe and the air intake pipe, a DN20 branch air pipe is provided at the air outlet end of the DN50 main air pipe, and a 100,000 kcal burner is connected to the air outlet end of the DN20 branch air pipe. A smoke exhaust hood is provided at the top of the furnace at the top of the furnace support, a thermocouple is provided inside the smoke collecting inner hood, and four sets of maintenance doors are provided on the furnace surface at the top of the furnace support. Detection is carried out by thermocouples and oxygen concentration sensors, and data is transmitted to the human-machine interface, which is simple and clear.

[0012] Preferably, an oxygen concentration sensor is provided on the left side of the furnace at the top of the furnace support, a material baffle is provided inside the furnace at the top of the furnace support, and the material baffle is provided between the conveyor chains, and a plurality of tension springs are provided inside between the conveyor chains. The discharge port switch is controlled by the smoke exhaust port oxygen concentration sensor to control the oxygen content required for carbonization in the furnace, and the thermocouple temperature detection controls the size of the burner fire to control the temperature of the entire furnace.

[0013] Beneficial effects of the utility model:

[0014] 1. The oxygen concentration sensor at the exhaust port is set to control the discharge port switch, control the oxygen content required for carbonization in the furnace, and the thermocouple temperature detection controls the size of the burner fire and the temperature of the entire furnace, thereby ensuring the personal safety of the operator, and finely carbonizing the sludge. The carbonized product can be used to avoid secondary pollution;

[0015] 2. The sludge is carbonized at high temperature and the carbonized product is used as fuel to reduce or eliminate sludge pollution. The data is detected by thermocouples and oxygen concentration sensors, and transmitted to the human-machine interface. It is simple and clear. At the same time, accurate research data is obtained to cope with various research directions, achieving diversity and scientificity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1What is shown is a first three-dimensional structural schematic diagram of the sludge carbonization device of the utility model;

[0017] Figure 2 What is shown is a schematic diagram of the internal structure of the peatification device of the utility model;

[0018] Figure 3 What is shown is a first structural schematic diagram of a conveyor chain assembly of a sludge carbonization device of the utility model;

[0019] Figure 4 What is shown is a second structural schematic diagram of the conveyor chain assembly of the sludge carbonization device of the utility model;

[0020] Figure 5 What is shown is a schematic diagram of the first structure of the feed inlet assembly of the sludge carbonization device of the utility model;

[0021] Figure 6 What is shown is a second structural schematic diagram of the feed port assembly of the sludge carbonization device of the utility model;

[0022] Figure 7 What is shown is a first structural schematic diagram of a discharge port assembly of a sludge carbonization device of the utility model;

[0023] Figure 8 The first structural schematic diagram of the dust collecting cover assembly of the sludge carbonization device of the utility model is shown;

[0024] Fig. 9 The second structural schematic diagram of the dust collecting cover assembly of the sludge carbonization device of the utility model is shown;

[0025] Fig.10 What is shown is a schematic diagram of the structure of the ash falling component of the sludge carbonization device of the utility model;

[0026] Fig.11The figure shows the schematic diagram of the air intake valve assembly structure of the sludge carbonization device of the utility model. Explanation of the figure numbers: 1-exhaust hood, 2-oxygen concentration sensor, 3-thermocouple, 4-furnace bracket, 5-maintenance door, 6-gas valve group, 7-blocking plate, 8-tensioning spring, 9-ash hopper, 10-output conveyor belt, 11-torque limiter, 12-frequency motor, 100-conveying chain assembly, 200-feeding port assembly, 300-discharging port assembly, 400-smoke hood assembly, 500-motor assembly, 600-ash dropping assembly, 700-intake valve assembly, 101-sprocket shaft one, 102-sprocket shaft two, 103-support channel steel, 104-chain support frame, 105-conveying chain, 201-feeding port bracket, 202-feeding hopper, 203-feeding port adjustment plate, 2 04-feed port cover, 205-welding plate, 206-pentagonal external thread mounting handle, 301-discharge port, 302-discharge port plug plate, 303-electric push rod mounting plate, 304-electric push rod, 305-push rod fixing bracket, 401-smoke collector inner cover, 402-smoke collector outer cover, 403-smoke collector bracket, 404-explosion-proof door, 405-explosion-proof door frame, 406-explosion-proof door asbestos pad, 407-hinge, 408-explosion-proof door insulation cotton, 601-outer shell, 602-inner shell, 603-ash falling door, 604-handle screw, 701-DN25 ball valve, 702-DN50 main gas pipe, 703-DN20 gas distribution pipe, 704-100,000 kcal burner. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-2 The utility model provides an embodiment: a sludge carbonization device, including a furnace support 4, and a furnace is arranged at the top of the furnace support 4; it also includes a conveyor chain assembly 100, a feed port assembly 200, a discharge port assembly 300, a smoke hood assembly 400, a motor assembly 500, an ash falling assembly 600, and an air intake valve assembly 700. The furnace at the top of the furnace support 4 is provided with a conveyor chain assembly 100, the top of the conveyor chain assembly 100 is provided with a feed port assembly 200, and the bottom of the furnace at the top of the furnace support 4 is provided with a discharge port assembly. Part 300, a smoke hood assembly 400 is provided at the rear end of the feed port assembly 200, a motor assembly 500 is provided at the front end of the left end furnace bracket 4, an ash falling assembly 600 is provided on the rear side of the bottom end of the furnace at the top end of the furnace bracket 4, and an air intake valve assembly 700 is provided inside the smoke hood assembly 400; an oxygen concentration sensor 2 is provided on the left side of the furnace at the top end of the furnace bracket 4, a material baffle plate 7 is provided inside the furnace at the top end of the furnace bracket 4, and the material baffle plate 7 is provided between the conveying chains 105, and a plurality of tensioning springs 8 are provided inside between the conveying chains 105.

[0029] See also Figure 3-4 In this embodiment, the conveyor chain assembly 100 includes a sprocket shaft 101, a sprocket shaft 102, a support channel steel 103, a chain support frame 104, and a conveyor chain 105. The sprocket shaft 101 is arranged inside the furnace, and the sprocket shaft 102 is arranged on one side of the sprocket shaft 101. The conveyor chain 105 is arranged outside the sprocket shaft 101 and the sprocket shaft 102. The chain support frame 104 is arranged inside the conveyor chain 105, and the support channel steel 103 is arranged between the chain support frames 104; the feed port assembly 200 includes a feed port bracket 201, a feed port bracket 202, and a feed port bracket 203. A hopper 202, a feed port adjusting plate 203, a feed port cover plate 204, a welding plate 205, and a pentagonal external thread mounting handle 206. A feed port bracket 201 is arranged at the top of the furnace, a feed hopper 202 is arranged at the top of the feed port bracket 201, a feed port adjusting plate 203 is movably connected to the top of the feed hopper 202, a feed port cover plate 204 is movably connected to the top of the feed hopper 202, welding plates 205 are arranged on the left and right sides of the inside of the feed hopper 202, and a pentagonal external thread mounting handle 206 is movably connected to the front end of the feed port adjusting plate 203.

[0030] See also Figure 5-9In this embodiment, the discharge port assembly 300 includes a discharge port 301, a discharge port plug plate 302, an electric push rod mounting plate 303, an electric push rod 304, and a push rod fixing frame 305. The bottom end of the furnace at the top of the furnace bracket 4 is provided with a discharge port 301, the bottom end of the discharge port 301 is provided with a discharge port plug plate 302, the right side of the discharge port 301 is provided with an electric push rod mounting plate 303, the top of the electric push rod mounting plate 303 is provided with an electric push rod 304, and the discharge port The top of the plug plate 302 is movably connected with a push rod fixing frame 305; the smoke hood assembly 400 includes a smoke collecting inner hood 401, a smoke collecting outer hood 402, a smoke collecting hood bracket 403, an explosion-proof door 404, an explosion-proof door frame 405, an explosion-proof door asbestos pad 406, a hinge 407, and an explosion-proof door insulation cotton 408. The top of the furnace at the top of the furnace bracket 4 is provided with a smoke collecting inner hood 401, and the outer side of the smoke collecting inner hood 401 is provided with a smoke collecting outer hood 402, and the smoke collecting outer hood 402 is provided at The top of the furnace at the top of the furnace support 4, the outer side of the smoke collecting cover 402 is movably connected with the oxygen concentration sensor 2, the bottom of the smoke collecting cover 402 is provided with a smoke collecting cover support 403, an explosion-proof door 404 is provided between the smoke collecting inner cover 401 and the smoke collecting cover 402, an explosion-proof door 404 is provided with an explosion-proof door frame 405 on the outer side of the explosion-proof door 404, and the explosion-proof door frame 405 is provided on the surface of the smoke collecting cover 402, and an explosion-proof door asbestos pad 406 is provided between the explosion-proof door frame 405 and the explosion-proof door 404, A hinge 407 is provided between the explosion-proof door 404 and the explosion-proof door frame 405, and an explosion-proof door insulation cotton 408 is provided between the explosion-proof door asbestos pad 406 and the explosion-proof door frame 405; the motor assembly 500 includes an output conveyor belt 10, a torque limiter 11, and a frequency conversion motor 12. The front end of the left furnace bracket 4 is provided with a frequency conversion motor 12, and the output end of the frequency conversion motor 12 is connected to the output conveyor belt 10, and a torque limiter 11 is provided between the frequency conversion motor 12 and the output conveyor belt 10.

[0031] See also Figure 10-11In this embodiment, the ash falling assembly 600 includes an outer shell 601, an inner shell 602, an ash falling door 603, a handle screw 604, and an ash falling hopper 9. A plurality of ash falling hoppers 9 are equidistantly arranged at the bottom of the furnace at the top of the furnace support 4. The ash falling hopper 9 is provided with an outer shell 601, and an inner shell 602 is arranged inside the outer shell 601. The inner shell 602 is movably connected with the ash falling door 603. A handle screw 604 is arranged on one side surface of the outer shell 601, and the handle screw 604 is connected to the ash falling door 603. The air inlet valve assembly 700 includes a DN25 ball valve 701, a DN50 A main air pipe 702, a DN20 branch air pipe 703, and a 100,000 kcal burner 704. A DN50 main air pipe 702 is provided at the air inlet end of the air inlet pipe. A DN25 ball valve 701 is provided at the connection between the DN50 main air pipe 702 and the air inlet pipe. A DN20 branch air pipe 703 is provided at the air outlet end of the DN50 main air pipe 702. The air outlet end of the DN20 branch air pipe 703 is connected to a 100,000 kcal burner 704. A smoke exhaust hood 1 is provided at the top of the furnace at the top of the furnace bracket 4. A thermocouple 3 is provided inside the smoke collecting inner hood 401. Four sets of maintenance doors 5 are provided on the furnace surface at the top of the furnace bracket 4.

[0032] During operation, the sludge is input into the carbonization furnace through the feed hopper 202 with the maintenance door 5, falls on the first-layer conveyor chain 105, flows in the direction of the arrow, to the far left, and then falls along the baffle plate to the second-layer conveyor chain 105, flows to the far right, falls along the baffle plate 7 to the third-layer conveyor chain 105, flows to the far left, falls along the baffle plate 7 to the fourth-layer conveyor chain 105, flows to the far right, opens and closes the door along the discharge port 301 with the electric push rod 304, and falls to the output conveyor belt 10.

[0033] Thermocouple 3 monitors the temperature and when it reaches the set value, the burner turns to low fire. The smoke exhaust hood 1 is provided with a maintenance door 5, which can control the smoke exhaust flow rate. The oxygen concentration sensor 2 outputs data to control the opening and closing of the discharge port 301 with an electric push rod 304.

[0034] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A sludge carbonization device, comprising a furnace support (4), wherein a furnace is arranged at the top of the furnace support (4); characterized in that: The invention also includes a conveyor chain assembly (100), a feed port assembly (200), a discharge port assembly (300), a smoke hood assembly (400), a motor assembly (500), an ash falling assembly (600), and an air intake valve assembly (700). The conveyor chain assembly (100) is arranged inside the furnace at the top of the furnace support (4), the feed port assembly (200) is arranged at the top of the conveyor chain assembly (100), the discharge port assembly (300) is arranged at the bottom end of the furnace at the top of the furnace support (4), the smoke hood assembly (400) is arranged at the rear end of the feed port assembly (200), the motor assembly (500) is arranged at the front end of the left furnace support (4), the ash falling assembly (600) is arranged on the rear side of the bottom end of the furnace at the top of the furnace support (4), and the air intake valve assembly (700) is arranged inside the smoke hood assembly (400).

2. The sludge carbonization device according to claim 1, characterized in that: The conveyor chain assembly (100) comprises a sprocket shaft one (101), a sprocket shaft two (102), a supporting channel steel (103), a chain support frame (104), and a conveyor chain (105). The sprocket shaft one (101) is arranged inside the furnace, the sprocket shaft two (102) is arranged on one side of the sprocket shaft one (101), the conveyor chain (105) is arranged on the outer sides of the sprocket shaft one (101) and the sprocket shaft two (102), the chain support frame (104) is arranged inside the conveyor chain (105), and the supporting channel steel (103) is arranged between the chain support frames (104).

3. The sludge carbonization device according to claim 2, characterized in that: The feed port assembly (200) comprises a feed port bracket (201), a feed hopper (202), a feed port adjustment plate (203), a feed port cover plate (204), a welding plate (205), and a pentagonal external thread mounting handle (206). The feed port bracket (201) is arranged at the top of the furnace, the feed hopper (202) is arranged at the top of the feed port bracket (201), the top of the feed hopper (202) is movably connected to the feed port adjustment plate (203), the top of the feed hopper (202) is movably connected to the feed port cover plate (204), the left and right sides of the feed hopper (202) are both provided with welding plates (205), and the front end of the feed port adjustment plate (203) is movably connected to the pentagonal external thread mounting handle (206).

4. The sludge carbonization device according to claim 3, characterized in that: The discharge port assembly (300) comprises a discharge port (301), a discharge port plug plate (302), an electric push rod mounting plate (303), an electric push rod (304), and a push rod fixing frame (305); the discharge port (301) is arranged at the bottom end of the furnace at the top end of the furnace support (4); the discharge port plug plate (302) is arranged at the bottom end of the discharge port (301); the electric push rod mounting plate (303) is arranged on the right side of the discharge port (301); the electric push rod (304) is arranged at the top end of the electric push rod mounting plate (303); and the push rod fixing frame (305) is movably connected to the top end of the discharge port plug plate (302).

5. The sludge carbonization device according to claim 4, characterized in that: The smoke collecting hood assembly (400) comprises a smoke collecting inner hood (401), a smoke collecting outer hood (402), a smoke collecting hood support (403), an explosion-proof door (404), an explosion-proof door frame (405), an explosion-proof door asbestos pad (406), a hinge (407), and an explosion-proof door insulation cotton (408). The smoke collecting inner hood (401) is arranged inside the top of the furnace at the top of the furnace support (4), the smoke collecting outer hood (402) is arranged outside the smoke collecting inner hood (401), and the smoke collecting outer hood (402) is arranged at the top of the furnace at the top of the furnace support (4). The outer side of the smoke collecting outer hood (402) is movably connected to an oxygen concentration sensor (2). A smoke collecting hood support (403) is arranged at the bottom end of the hood (402); an explosion-proof door (404) is arranged between the smoke collecting inner hood (401) and the smoke collecting outer hood (402); an explosion-proof door frame (405) is arranged outside the explosion-proof door (404); and the explosion-proof door frame (405) is arranged on the surface of the smoke collecting outer hood (402); an explosion-proof door asbestos pad (406) is arranged between the explosion-proof door frame (405) and the explosion-proof door (404); a hinge (407) is arranged between the explosion-proof door (404) and the explosion-proof door frame (405); and an explosion-proof door thermal insulation cotton (408) is arranged between the explosion-proof door asbestos pad (406) and the explosion-proof door frame (405).

6. The device for sludge carbonization according to claim 5, characterized in that: The motor assembly (500) includes an output conveyor belt (10), a torque limiter (11), and a variable frequency motor (12). The front end of the left furnace support (4) is provided with a variable frequency motor (12). The output end of the variable frequency motor (12) is connected to the output conveyor belt (10). The torque limiter (11) is provided between the variable frequency motor (12) and the output conveyor belt (10). The ash removal assembly (600) includes an outer shell (601), an inner shell (602), an ash removal door (603), and a hand A handle screw (604), an ash hopper (9), a plurality of ash hoppers (9) are equidistantly arranged at the bottom end of the furnace at the top end of the furnace support (4), an outer shell (601) is arranged on the ash hopper (9), an inner shell (602) is arranged inside the outer shell (601), an ash door (603) is movably connected to the inner part of the inner shell (602), a handle screw (604) is arranged on one side surface of the outer shell (601), and the handle screw (604) is connected to the ash door (603).

7. The device for sludge carbonization according to claim 5, characterized in that: The air intake valve assembly (700) comprises a DN25 ball valve (701), a DN50 main air pipe (702), a DN20 air branch pipe (703), and a 100,000 kcal burner (704). The air intake end of the air intake pipe is provided with a DN50 main air pipe (702), the connection between the DN50 main air pipe (702) and the air intake pipe is provided with a DN25 ball valve (701), the air outlet end of the DN50 main air pipe (702) is provided with a DN20 air branch pipe (703), the air outlet end of the DN20 air branch pipe (703) is connected to the 100,000 kcal burner (704), a smoke exhaust hood (1) is provided at the top of the furnace at the top of the furnace support (4), a thermocouple (3) is provided inside the smoke collecting inner hood (401), and four groups of maintenance doors (5) are provided on the furnace surface at the top of the furnace support (4).

8. The sludge carbonization device according to claim 5, characterized in that: An oxygen concentration sensor is arranged on the left side of the furnace at the top of the furnace support (4), a material baffle plate (7) is arranged inside the furnace at the top of the furnace support (4), and the material baffle plate (7) is arranged between the conveyor chains (105), and a plurality of tension springs (8) are arranged inside between the conveyor chains (105).

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