Spiral electromagnetic heating oil sludge treatment device and use method thereof

Abstract

The invention belongs to the technical field of oil sludge treatment, and particularly relates to a spiral electromagnetic heating oil sludge treatment device and a using method thereof.The spiral electromagnetic heating oil sludge treatment device comprises a machining body and a feeding assembly arranged on one side of the machining body and further comprises a stirring mechanism and a heating mechanism, the stirring mechanism is arranged on the machining body, and the heating mechanism is arranged on the machining body; the stirring mechanism comprises a stirring assembly and a nitrogen filling assembly, the stirring assembly is arranged on the processing main body, and the nitrogen filling assembly is arranged on one side of the stirring assembly; through the steam heating assembly, the temperature of the oil sludge can be increased through steam heating, oil and water in the oil sludge can be separated more easily at the high temperature, the physical properties of the oil and the water can change along with temperature rising, and therefore separation of the oil and the water is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of oil sludge treatment, and specifically refers to a spiral electromagnetic heating oil sludge treatment device and a use method thereof. Background Art

[0002] Oil sludge, as an inevitable byproduct in the process of oil extraction, refining, storage and transportation, is mainly composed of heavy hydrocarbons, colloids, asphaltene, mud, water and a small amount of inorganic salts. Its composition is complex and difficult to use directly. If it is not handled properly, it will cause serious pollution to the environment. Therefore, efficient and environmentally friendly oil sludge treatment technology is particularly important.

[0003] Most traditional sludge treatment devices use direct heating to promote the decomposition of heavy hydrocarbons in the sludge, i.e., the pyrolysis process, to achieve effective separation of oil, sludge, and water. However, such devices generally have the problem of low pyrolysis efficiency in practical applications. Direct heating often leads to uneven heat distribution, making it difficult for the pyrolysis reaction inside the sludge to proceed fully. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a spiral electromagnetic heating sludge treatment device and a method of using the same.

[0005] The technical solution adopted by the present invention is as follows: The present invention provides a spiral electromagnetic heating sludge processing device, including a processing body and a feeding assembly arranged on one side of the processing body, and also including a stirring mechanism and a heating mechanism. The stirring mechanism is arranged on the processing body, and the heating mechanism is arranged on the processing body; the stirring mechanism includes a stirring assembly and a nitrogen filling assembly. The stirring assembly is arranged on the processing body, and the nitrogen filling assembly is arranged on one side of the stirring assembly.

[0006] Furthermore, the processing body includes a support frame, a interlayer is provided on the support frame, a stirring tank is provided in the interlayer, a support block is provided at the upper end of the support frame, a detachable sealing cover is provided at the upper end of the stirring tank, an opening and closing door is provided on the stirring tank and the interlayer, and a discharge valve is provided at the lower end of the stirring tank.

[0007] Further, the stirring assembly includes a motor 1, which is arranged in a support block, and a bevel gear 1 is provided at the output end of the motor 1. A driving tube is rotatably provided at the lower end of the support block, and a bevel gear 2 is sleeved on the upper end of the driving tube. The bevel gear 1 and the bevel gear 2 are meshed and rotatably connected. A spiral blade 1 is provided on the side wall of the driving tube, and a vent hole 1 is opened at the lower end of the side wall of the driving tube. A driven tube is rotatably provided at the upper end of the stirring tank, and a spiral blade 2 is provided on the side wall of the driven tube. A vent hole 2 is opened at the lower end of the side wall of the driven tube. A gear 4 is sleeved on the driving tube, and a gear 3 is sleeved on the driven tube. The gear 4 and the gear 3 are meshed and rotatably connected.

[0008] Further, the nitrogen filling assembly includes a nitrogen storage tank, which is arranged on one side of the interior of the support block, the output end of the nitrogen storage tank is connected to one end of the output pipe, the other end of the output pipe is connected to the fixed end of the rotary joint one, the rotating end of the rotary joint one is connected to the upper end of the driving pipe, the output pipe is provided with a pressure reducing valve, the output pipe is provided with an electronic valve one, the side wall of the output pipe is connected to one end of the branch pipe, the other end of the branch pipe is connected to the fixed end of the rotary joint two, and the rotating end of the rotary joint two is connected to the upper end of the driven pipe.

[0009] Furthermore, the heating mechanism comprises a steam heating component and an exhaust gas treatment component, the steam heating component is arranged in the support block, and the exhaust gas treatment component is arranged on one side of the support frame.

[0010] Furthermore, the steam heating component includes an electromagnetic heater, which is arranged in the interlayer. A steam generator is provided on the other side of the support block. The output end of the steam generator is connected to one end of a steam delivery pipe, and the other end of the steam delivery pipe is connected to the side wall of the output pipe. An electronic valve 2 is provided on the steam delivery pipe, and an air pump is provided on the steam delivery pipe.

[0011] Furthermore, the exhaust gas treatment component includes a desulfurization tank, which is arranged on one side of the support frame, and an alkaline solution is provided in the desulfurization tank. A denitrification pipe is provided on one side of the desulfurization tank, and a potassium permanganate solution is provided in the denitrification pipe. One end of an outlet pipe is provided at the upper end of one side of the interior of the stirring tank, and the other end of the outlet pipe is arranged in the alkaline solution. One end of a connecting pipe is provided at the upper end of the interior of the desulfurization tank, and the other end of the connecting pipe is arranged in the potassium permanganate solution. An exhaust port is opened at the upper end of the side wall of the denitrification pipe.

[0012] Furthermore, the feeding assembly includes a feeding pipe, one end of which is arranged at the upper end of the other side of the interior of the stirring tank, a driving motor 2 is arranged on the outside of the other end of the feeding pipe, an output end of the driving motor 2 is connected to one end of a spiral dragon, a fixing part is arranged at the top inner end of the feeding pipe, a vent hole 1 is arranged at one end of the fixing part, the vent hole is connected to the other end of the spiral dragon, the upper end of the outer wall of the feeding pipe is through-connected to the feeding port, and a supporting part is arranged at the lower end of the outer wall of the feeding pipe.

[0013] Furthermore, the stirring tank is made of stainless steel.

[0014] The present invention also discloses a method for using a spiral electromagnetic heating sludge treatment device, which mainly comprises the following steps: Step 1: Start the second drive motor, the output end of the second drive motor rotates to drive the spiral dragon to rotate, pour the sludge from the feeding port into the feeding pipe, and transport the sludge to the mixing tank through the spiral dragon; Step 2: The output end of the motor 1 rotates to drive the bevel gear to rotate, the bevel gear 1 rotates to drive the bevel gear 2, the bevel gear 2 rotates to drive the driving tube to rotate, the driving tube rotates to drive the gear 4 and the spiral blade 1 to rotate, the gear 4 rotates to drive the gear 3, the gear 3 rotates to drive the spiral blade 2, the spiral blade 1 and the spiral blade 2 tumble and stir the oil sludge in the mixing tank, and at the same time, turn on the electromagnetic heater to heat the outer wall of the mixing tank, open the pressure reducing valve, the electronic valve 1 and the electronic valve 2, start the steam generator and the air pump, the steam generated by the steam generator enters the output pipe through the steam delivery pipe, and enters the driving pipe after mixing with nitrogen, and is sprayed into the oil sludge through the vent 1, the steam and nitrogen are mixed and enter the branch pipe from the output pipe, and enter the driven pipe from the branch pipe, and are sprayed into the oil sludge through the vent 2, while the oil sludge is pyrolyzed, an oxygen-free environment is created by nitrogen, and the interior of the oil sludge is heated by steam, and the water vapor can react with the organic matter in the oil sludge at high temperature to generate hydrogen and carbon monoxide combustible gases, which can be further used as heat sources in the pyrolysis process to improve the pyrolysis efficiency; Step 3: The tail gas generated by the pyrolysis of the sludge enters the alkaline solution through the outlet pipe for desulfurization treatment. The desulfurized tail gas enters the potassium permanganate solution through the connecting pipe for denitrification treatment. The treated tail gas is discharged through the exhaust port. After the pyrolysis is completed, the sludge will be stratified, with the upper layer being light oil products and the lower layer being solid residues and inorganic matter. Open the sealing cover and use the oil pump to extract the light oil products. Then open the opening and closing door and the discharge valve to clean the solid residues and inorganic matter inside the mixing tank.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows: (1) Setting of steam heating components. Steam heating can increase the temperature of the sludge, making it easier to separate the oil and water in the sludge at a higher temperature. As the temperature increases, the physical properties of oil and water will change, which is conducive to their separation.

[0016] (2) Setting of steam heating components. Steam heating can provide the required heat for sludge pyrolysis, so that the pyrolysis reaction can proceed smoothly. At the same time, the addition of steam can also help regulate the temperature and pressure of the reaction system, optimize the pyrolysis conditions, and improve the pyrolysis efficiency.

[0017] (3) The setting of the nitrogen filling component is not easy to react chemically with other substances. The introduction of nitrogen during the sludge pyrolysis process can create an oxygen-free or micro-oxygen environment, effectively preventing the oxidation reaction of organic matter in the sludge, thereby avoiding the loss of pyrolysis products and the decline of quality.

[0018] (4) The tail gas generated by pyrolysis of oil sludge enters the alkaline solution through the outlet pipe for desulfurization treatment. The desulfurized tail gas enters the potassium permanganate solution through the connecting pipe for denitrification treatment. The treated tail gas is discharged through the exhaust port. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 This is a front view of a spiral electromagnetic heating sludge treatment device of the present invention; Figure 2 This is a schematic structural diagram of a spiral electromagnetic heating sludge treatment device of the present invention; Figure 3 This is a schematic diagram of the internal structure of the mixing tank; Figure 4 It is a schematic diagram of the structure of the exhaust gas treatment component; Figure 5 for Figure 2 A partial enlarged view of part A; Figure 6 for Figure 2 A partial enlarged view of part B.

[0021] Among them, 1. processing body, 2. stirring mechanism, 3. heating mechanism, 4. feeding assembly, 5. support frame, 7. interlayer, 8. stirring tank, 9. support block, 10. sealing cover, 11. opening and closing door, 12. stirring assembly, 13. nitrogen filling assembly, 14. motor 1, 15. bevel gear 1, 16. bevel gear 2, 17. driving pipe, 18. spiral blade 1, 19. spiral blade 2, 20. driven pipe, 21. gear 3, 22. gear 4, 23. nitrogen storage tank, 24. output pipe, 25. electronic valve 1, 26. pressure reducing valve, 27. rotary joint 1, 28. rotary Adapter 2, 29, branch pipe, 30, steam heating component, 31, exhaust gas treatment component, 32, electromagnetic heater, 33, steam generator, 34, steam delivery pipe, 35, electronic valve 2, 36, air pump, 37, outlet pipe, 38, connecting pipe, 39, exhaust port, 40, desulfurization tank, 41, denitrification pipe, 42, potassium permanganate solution, 43, alkaline solution, 44, feeding pipe, 45, spiral dragon, 46, driving motor 2, 47, feeding port, 48, discharge valve, 49, support, 50, fixing, 51, vent 1, 52, vent 2, 53, bearing. DETAILED DESCRIPTION

[0022] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0023] like Figure 1-Figure 6As shown, the present invention proposes a spiral electromagnetic heating sludge processing device, including a processing body 1, the processing body 1 includes a support frame 5, a sandwich 7 is provided on the support frame 5, a stirring tank 8 is provided in the sandwich 7, the stirring tank 8 is made of stainless steel, a support block 9 is provided at the upper end of the support frame 5, a detachable sealing cover 10 is provided at the upper end of the stirring tank 8, an opening and closing door 11 is provided on the stirring tank 8 and the sandwich 7, a discharge valve 48 is provided at the lower end of the stirring tank 8, and a feeding component 4 arranged on one side of the processing body 1, the feeding component 4 includes a feeding pipe 44, one end of the feeding pipe 44 is arranged at the upper end of the other side of the interior of the stirring tank 8, and a driving motor 46 is provided on the outer side of the other end of the feeding pipe 44, and the driving motor 46 is provided on the outer side of the other end of the feeding pipe 44. The output end of the motor 2 46 is connected to one end of the spiral dragon 45, a fixing piece 50 is provided at the top of the inner part of the feeding tube 44, one end of the fixing piece 50 is provided with a vent hole 1 51, and the vent hole 1 51 is sleeved with the other end of the spiral dragon 45, the upper end of the outer wall of the feeding tube 44 is connected to the feeding port 47, and the lower end of the outer wall of the feeding tube 44 is provided with a support piece 49, and also includes a stirring mechanism 2 and a heating mechanism 3, the stirring mechanism 2 is arranged on the processing body 1, and the heating mechanism 3 is arranged on the processing body 1; the stirring mechanism 2 includes a stirring component 12 and a nitrogen filling component 13, the stirring component 12 is arranged on the processing body 1, the stirring component 12 includes a motor 14, and the motor 14 is arranged on the support block 9, a bevel gear 15 is provided at the output end of the motor 14, a driving tube 17 is rotatably provided at the lower end of the support block 9, a bevel gear 2 16 is sleeved on the upper end of the driving tube 17, the bevel gear 15 and the bevel gear 2 16 are meshed and rotatably connected, a spiral blade 18 is provided on the side wall of the driving tube 17, a vent 51 is provided at the lower end of the side wall of the driving tube 17, a driven tube 20 is rotatably provided at the upper end of the stirring tank 8, a spiral blade 2 19 is provided on the side wall of the driven tube 20, a vent 2 52 is provided at the lower end of the side wall of the driven tube 20, a gear 4 22 is sleeved on the driving tube 17, a gear 3 21 is sleeved on the driven tube 20, the gear 4 22 and the gear 3 21 are meshed and rotatably connected, and the nitrogen filling component 1 3 is provided on one side of the stirring assembly 12, the nitrogen filling assembly 13 includes a nitrogen storage tank 23, the nitrogen storage tank 23 is provided on one side of the inner part of the support block 9, the output end of the nitrogen storage tank 23 is connected to one end of the output pipe 24, the other end of the output pipe 24 is connected to the fixed end of the rotary joint 27, the rotating end of the rotary joint 27 is connected to the upper end of the driving pipe 17, the output pipe 24 is provided with a pressure reducing valve 26, the output pipe 24 is provided with an electronic valve 25, the side wall of the output pipe 24 is connected to one end of the branch pipe 29, the other end of the branch pipe 29 is connected to the fixed end of the rotary joint 28, and the rotating end of the rotary joint 28 is connected to the upper end of the driven pipe 20.

[0024] The heating mechanism 3 includes a steam heating component 30 and an exhaust gas treatment component 31. The steam heating component 30 is arranged in the support block 9. The steam heating component 30 includes an electromagnetic heater 32. The electromagnetic heater 32 is arranged in the interlayer 7. A steam generator 33 is arranged on the other side of the support block 9. The output end of the steam generator 33 is connected to one end of a steam delivery pipe 34. The other end of the steam delivery pipe 34 is connected to the side wall of the output pipe 24. The steam delivery pipe 34 is provided with an electronic valve 25. The steam delivery pipe 34 is provided with an air pump 36. The exhaust gas treatment component 31 is arranged on the support block 9. On one side of the support frame 5, the tail gas treatment component 31 includes a desulfurization tank 40, which is arranged on one side of the support frame 5. An alkaline solution 43 is provided in the desulfurization tank 40. A denitrification pipe 41 is provided on one side of the desulfurization tank 40. A potassium permanganate solution 42 is provided in the denitrification pipe 41. One end of an outlet pipe 37 is provided at the upper end of one side of the interior of the stirring tank 8, and the other end of the outlet pipe 37 is arranged in the alkaline solution 43. One end of a connecting pipe 38 is provided at the upper end of the interior of the desulfurization tank 40, and the other end of the connecting pipe 38 is arranged in the potassium permanganate solution 42. An exhaust port 39 is opened at the upper end of the side wall of the denitrification pipe 41.

[0025] When in use, the drive motor 2 46 is started, and the output end of the drive motor 2 46 rotates to drive the spiral dragon 45 to rotate, and the sludge is poured from the feeding port 47 into the feeding pipe 44, and the sludge is transported to the mixing tank 8 through the spiral dragon 45. The output end of the motor 14 rotates to drive the bevel gear 15 to rotate, and the bevel gear 15 rotates to drive the bevel gear 2 16 to rotate, and the bevel gear 2 16 rotates to drive the drive tube 17 to rotate, and the drive tube 17 rotates to drive the gear 4 22 and the spiral blade 18 to rotate, and the gear 4 22 rotates to drive the gear 3 2 1 rotates, gear three 21 rotates to drive spiral blade two 19 to rotate, spiral blade one 18 and spiral blade two 19 roll and stir the oil sludge in the mixing tank 8, and at the same time, the electromagnetic heater 32 is turned on to heat the outer wall of the mixing tank 8, the pressure reducing valve 26, the electronic valve one 25 and the electronic valve two 35 are opened, the steam generator 33 and the air pump 36 are started, and the steam generated by the steam generator 33 enters the output pipe 24 through the steam delivery pipe 34, and enters the driving pipe 17 after mixing with the nitrogen, and is sprayed into the oil sludge through the vent hole one 51 After the steam and nitrogen are mixed, they enter the branch pipe 29 from the output pipe 24, enter the driven pipe 20 from the branch pipe 29, and are sprayed into the oil sludge through the vent hole 52. While the oil sludge is pyrolyzed, the nitrogen creates an oxygen-free environment. The steam heats the inside of the oil sludge. The water vapor can react with the organic matter in the oil sludge at high temperature to generate hydrogen and carbon monoxide combustible gases. These gases can be further used as heat sources in the pyrolysis process to improve the pyrolysis efficiency. The tail gas generated by the pyrolysis of the oil sludge enters the alkaline solution 43 through the outlet pipe 37. Desulfurization treatment is carried out, and the tail gas after desulfurization enters the potassium permanganate solution 42 through the connecting pipe 38 for desulfurization treatment. The treated tail gas is discharged through the exhaust port 39. After the pyrolysis is completed, the sludge will be layered, the upper layer is light oil products, and the lower layer is solid residues and inorganic substances. The sealing cover 10 is opened, and the light oil products are extracted by the oil pump. Then the opening and closing door 11 and the discharge valve 48 are opened to clean the solid residues and inorganic substances inside the mixing tank 8. The above is the overall working process of the present invention. Just repeat this step when you use it next time.

[0026] It can be seen from the above embodiments that the beneficial effects of the present invention are: The steam heating component is set up, and steam heating can increase the temperature of the sludge, so that the oil and water in the sludge are easier to separate at a higher temperature. As the temperature rises, the physical properties of oil and water will change, which is conducive to their separation; the steam heating component is set up, and steam heating can provide the required heat for the pyrolysis of the sludge, so that the pyrolysis reaction can proceed smoothly. At the same time, the addition of steam can also help adjust the temperature and pressure of the reaction system, optimize the pyrolysis conditions, and improve the pyrolysis efficiency; the nitrogen filling component is set up, which is not easy to react chemically with other substances. The introduction of nitrogen during the pyrolysis of the sludge can create an oxygen-free or micro-oxygen environment, effectively preventing the oxidation reaction of organic matter in the sludge, thereby avoiding the loss of pyrolysis products and the decline in quality; the exhaust gas generated by the pyrolysis of the sludge enters the alkaline solution through the outlet pipe for desulfurization treatment, and the desulfurized exhaust gas enters the potassium permanganate solution through the connecting pipe for desulfurization treatment, and the treated exhaust gas is discharged through the exhaust port.

[0027] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spiral electromagnetic heating oil sludge processing device, comprising a processing body (1), and a feeding assembly (4) arranged on one side of the processing body (1), characterized in that: The invention also comprises a stirring mechanism (2) and a heating mechanism (3), wherein the stirring mechanism (2) is arranged on the processing body (1), and the heating mechanism (3) is arranged on the processing body (1); the stirring mechanism (2) comprises a stirring component (12) and a nitrogen filling component (13), wherein the stirring component (12) is arranged on the processing body (1), and the nitrogen filling component (13) is arranged on one side of the stirring component (12).

2. The spiral electromagnetic heating sludge treatment device according to claim 1, characterized in that: The processing body (1) comprises a support frame (5), a sandwich layer (7) is provided on the support frame (5), a stirring tank (8) is provided in the sandwich layer (7), a support block (9) is provided at the upper end of the support frame (5), a detachable sealing cover (10) is provided at the upper end of the stirring tank (8), an opening and closing door (11) is provided on the stirring tank (8) and the sandwich layer (7), and a discharge valve (48) is provided at the lower end of the stirring tank (8).

3. The spiral electromagnetic heating sludge treatment device according to claim 2, characterized in that: The stirring assembly (12) comprises a motor 1 (14), wherein the motor 1 (14) is arranged in a support block (9), a bevel gear 1 (15) is arranged at an output end of the motor 1 (14), a drive tube (17) is rotatably arranged at the lower end of the support block (9), a bevel gear 2 (16) is sleeved at the upper end of the drive tube (17), the bevel gear 1 (15) and the bevel gear 2 (16) are meshed and rotatably connected, and a spiral blade 1 (18) is arranged on a side wall of the drive tube (17). A vent hole (51) is provided at the lower end of the side wall of the driving tube (17); a driven tube (20) is rotatably provided at the upper end of the stirring tank (8); a spiral blade (19) is provided on the side wall of the driven tube (20); a vent hole (52) is provided at the lower end of the side wall of the driven tube (20); a gear (22) is sleeved on the driving tube (17); a gear (21) is sleeved on the driven tube (20); and the gear (22) and the gear (21) are meshed and rotatably connected.

4. The spiral electromagnetic heating sludge treatment device according to claim 3 is characterized by: The nitrogen filling assembly (13) comprises a nitrogen storage tank (23), the nitrogen storage tank (23) being arranged at one side of the interior of the support block (9), the output end of the nitrogen storage tank (23) being connected to one end of an output pipe (24), the other end of the output pipe (24) being connected to the fixed end of a rotary joint (27), the rotary end of the rotary joint (27) being connected to the upper end of a driving pipe (17), the output pipe (24) being provided with a pressure reducing valve (26), the output pipe (24) being provided with an electronic valve (25), the side wall of the output pipe (24) being connected to one end of a branch pipe (29), the other end of the branch pipe (29) being connected to the fixed end of a rotary joint (28), the rotary end of the rotary joint (28) being connected to the upper end of a driven pipe (20).

5. The spiral electromagnetic heating sludge treatment device according to claim 4, characterized in that: The heating mechanism (3) comprises a steam heating component (30) and an exhaust gas treatment component (31); the steam heating component (30) is arranged in a support block (9), and the exhaust gas treatment component (31) is arranged on one side of the support frame (5).

6. The spiral electromagnetic heating sludge treatment device according to claim 5, characterized in that: The steam heating assembly (30) comprises an electromagnetic heater (32), the electromagnetic heater (32) being arranged in the interlayer (7), a steam generator (33) being arranged on the other side of the interior of the support block (9), the output end of the steam generator (33) being connected to one end of a steam delivery pipe (34), the other end of the steam delivery pipe (34) being connected to the side wall of the output pipe (24), the steam delivery pipe (34) being provided with an electronic valve 2 (35), and the steam delivery pipe (34) being provided with an air pump (36).

7. The spiral electromagnetic heating sludge treatment device according to claim 6, characterized in that: The tail gas treatment assembly (31) comprises a desulfurization tank (40), the desulfurization tank (40) being arranged at one side of the support frame (5), an alkaline solution (43) being arranged in the desulfurization tank (40), a denitration pipe (41) being arranged at one side of the desulfurization tank (40), a potassium permanganate solution (42) being arranged in the denitration pipe (41), one end of an outlet pipe (37) being arranged at an upper end of one side of the interior of the stirring tank (8), the other end of the outlet pipe (37) being arranged in the alkaline solution (43), one end of a connecting pipe (38) being arranged at an upper end of the interior of the desulfurization tank (40), the other end of the connecting pipe (38) being arranged in the potassium permanganate solution (42), and an exhaust port (39) being arranged at an upper end of a side wall of the denitration pipe (41).

8. The spiral electromagnetic heating sludge treatment device according to claim 7, characterized in that: The feeding assembly (4) comprises a feeding pipe (44), one end of which is arranged at the upper end of the other side of the interior of the stirring tank (8), a driving motor 2 (46) is arranged on the outer side of the other end of the feeding pipe (44), the output end of the driving motor 2 (46) is connected to one end of the spiral dragon (45), a fixing member (50) is arranged at the top end of the interior of the feeding pipe (44), a vent hole 1 (51) is arranged at one end of the fixing member (50), and the vent hole 1 (51) is sleeved with the other end of the spiral dragon (45), the upper end of the outer wall of the feeding pipe (44) is connected to the feeding port (47), and the lower end of the outer wall of the feeding pipe (44) is provided with a supporting member (49).

9. The spiral electromagnetic heating sludge treatment device according to claim 8, characterized in that: The stirring tank (8) is made of stainless steel.

10. A method for using a spiral electromagnetic heating sludge treatment device, characterized in that: The spiral electromagnetic heating sludge treatment device according to claim 9 comprises the following steps: Step 1: start the second drive motor (46), the output end of the second drive motor (46) rotates to drive the spiral dragon (45) to rotate, pour the oil sludge from the feeding port (47) into the feeding pipe (44), and transport the oil sludge into the mixing tank (8) through the spiral dragon (45); Step 2: The output end of the motor 1 (14) rotates to drive the bevel gear 1 (15), the bevel gear 1 (15) rotates to drive the bevel gear 2 (16), the bevel gear 2 (16) rotates to drive the driving tube (17), the driving tube (17) rotates to drive the gear 4 (22) and the spiral blade 1 (18), the gear 4 (22) rotates to drive the gear 3 (21), the gear 3 (21) rotates to drive the spiral blade 2 (19), the spiral blade 1 (18) and the spiral blade 2 (19) tumble and stir the oil sludge in the mixing tank (8), and at the same time, the electromagnetic heater (32) is turned on to heat the outer wall of the mixing tank (8), and the pressure reducing valve (26), the electronic valve 1 (25) and the electronic valve 2 (35) are opened. ), start the steam generator (33) and the air pump (36), the steam generated by the steam generator (33) enters the output pipe (24) through the steam delivery pipe (34), and enters the drive pipe (17) after mixing with the nitrogen, and is sprayed into the oil sludge through the vent hole 1 (51), the steam and nitrogen are mixed and enter the branch pipe (29) from the output pipe (24), and enter the driven pipe (20) from the branch pipe (29), and are sprayed into the oil sludge through the vent hole 2 (52), while the oil sludge is pyrolyzed, the nitrogen is used to create an oxygen-free environment, and the steam is used to heat the inside of the oil sludge, and the water vapor can react with the organic matter in the oil sludge at a high temperature to generate hydrogen and carbon monoxide combustible gases, which can be further used as heat sources in the pyrolysis process to improve the pyrolysis efficiency; Step 3: The tail gas generated by the pyrolysis of the oil sludge enters the alkaline solution (43) through the outlet pipe (37) for desulfurization treatment. The desulfurized tail gas enters the potassium permanganate solution (42) through the connecting pipe (38) for denitrification treatment. The treated tail gas is discharged through the exhaust port (39). After the pyrolysis is completed, the oil sludge will be separated into layers, with the upper layer being the light oil product and the lower layer being the solid residue and inorganic matter. The sealing cover (10) is opened, and the light oil product is pumped out by an oil pump. Then, the opening and closing door (11) and the discharge valve (48) are opened to clean the solid residue and inorganic matter inside the mixing tank (8).

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