A magnetized pyrolysis treatment system and method for oily sludge treatment

Abstract

The application discloses a kind of oil-containing sludge treatment with magnetization pyrolysis processing system and method, system includes the sludge magnetization mechanism, sludge pyrolysis mechanism and condensation recovery mechanism being sequentially connected;Sludge magnetization mechanism includes horizontally arranged sludge magnetization flow pipe, sludge magnetization flow pipe periphery is equipped with magnetization support pipe, magnetization support pipe inside is equipped with multiple sludge magnetization permanent magnet;Sludge pyrolysis mechanism includes sludge pyrolysis support shell, sludge pyrolysis support shell is rotatably connected with sludge pyrolysis cylinder shell, sludge pyrolysis cylinder shell side is equipped with pyrolysis collection input shell, and the side of pyrolysis collection input shell close to sludge pyrolysis cylinder shell is open side;Pyrolysis collection input shell top has sludge laying output slot;The system has efficient oil sludge separation performance, can effectively separate oil, water, solid impurities in oil-containing sludge, magnetization effect is carried out to oil-containing sludge under the action of magnetic field, can change the surface properties of oil droplets in oil-containing sludge, make it more easily gather and separate.

Description

Technical Field

[0001] This invention relates to the field of sludge treatment technology, specifically to a magnetization pyrolysis treatment system and method for treating oily sludge. Background Technology

[0002] During industrial production, sludge containing oily substances is generated, known as oily sludge. Due to the presence of oily substances in the sludge, direct discharge would cause serious environmental pollution and energy waste. Therefore, pyrolysis treatment devices are currently used to treat oily sludge to obtain useful liquid oil and gaseous hydrocarbons, while reducing the emission of harmful substances.

[0003] Current pyrolysis treatment devices for oily sludge still suffer from low processing efficiency and poor adaptability to the state of oily sludge during processing, and need further improvement and optimization. Summary of the Invention

[0004] The purpose of this invention is to provide a magnetization pyrolysis treatment system and method for treating oily sludge, which can perform pyrolysis of oily sludge more efficiently.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A magnetization pyrolysis treatment system for treating oily sludge includes a sludge magnetization mechanism, a sludge pyrolysis mechanism, and a condensation recovery mechanism arranged in sequence.

[0007] The sludge magnetization mechanism includes a horizontally arranged sludge magnetization flow pipe, a magnetization support pipe arranged coaxially around the sludge magnetization flow pipe, and multiple sludge magnetization permanent magnets inside the magnetization support pipe.

[0008] The sludge pyrolysis mechanism includes a sludge pyrolysis support shell, and a horizontally arranged sludge pyrolysis cylinder shell is rotatably connected inside the sludge pyrolysis support shell. The sludge pyrolysis cylinder shell has a pyrolysis collection input shell extending along a direction parallel to its axis on its side. The side of the pyrolysis collection input shell closest to the sludge pyrolysis cylinder shell is the open side, and the open side of the pyrolysis collection input shell is in a sealed contact with the outer side of the sludge pyrolysis cylinder shell.

[0009] The top of the pyrolysis collection input shell, near the opening side, has a sludge-laying output trough.

[0010] A pyrolysis support arc plate extending parallel to its axis is fixed inside the sludge pyrolysis cylinder shell, and multiple electromagnetic induction heaters are fixed on the top of the pyrolysis support arc plate.

[0011] The sludge pyrolysis supporting shell is fixed with a hollow oil-gas separation discharge shell above the sludge pyrolysis cylinder shell, the lower side of the oil-gas separation discharge shell is provided with a plurality of oil-gas separation flow-through holes communicating with the inside of the oil-gas separation discharge shell, and the top of the oil-gas separation discharge shell is fixed with an oil-gas separation discharge pipe communicating with the inside of the oil-gas separation discharge shell.

[0012] The condensation recovery mechanism comprises a condensation recovery containing tank, a condensation recovery flow-through pipe spirally extending in the vertical direction is fixed in the condensation recovery containing tank, the upper end of the condensation recovery flow-through pipe communicates with the oil-gas separation discharge pipe, and a condensation recovery temporary storage shell communicating with the lower end of the condensation recovery flow-through pipe is fixed at the bottom of the condensation recovery containing tank.

[0013] The condensation recovery containing tank is fixed outside with a main cooling liquid input pipe and a main cooling liquid output pipe communicating with the inside of the condensation recovery containing tank.

[0014] Preferably, the input end of the sludge magnetization flow-through pipe is connected with a screw extruder, and the output end of the screw extruder communicates with the sludge magnetization flow-through pipe.

[0015] The input end of the screw extruder is connected with an oil-containing sludge storage box through the sludge magnetization input pipe.

[0016] It is explained that the oil-containing sludge needs to flow slowly and stably in the process of flowing and magnetizing in the sludge magnetization flow-through pipe, and the screw extruder can provide stable and uniform driving force for the flow of the oil-containing sludge.

[0017] Preferably, the output end of the sludge magnetization flow-through pipe is connected with a magnetized sludge storage box, and a magnetized sludge delivery pump is fixed in the magnetized sludge storage box.

[0018] A plurality of pyrolysis collection input pipes communicating with the inside of the pyrolysis collection input shell are fixed outside the pyrolysis collection input shell, and the output end of the magnetized sludge delivery pump communicates with the pyrolysis collection input pipe.

[0019] It is explained that the oil-containing sludge after magnetization treatment is discharged from the sludge magnetization flow-through pipe and temporarily stored in the magnetized sludge storage box.

[0020] Preferably, the sludge magnetization permanent magnet is connected with the magnetization support pipe through a magnetization array control structure, the sidewall of the magnetization support pipe is provided with a plurality of array connection holes penetrating in the radial direction, the magnetization array control structure comprises an array control fixed cylinder fixed in the array connection hole, extending in the radial direction of the magnetization support pipe and opening inward, an array control sliding cylinder opening outward is slidably connected in the array control fixed cylinder, and a plurality of sludge magnetization permanent magnets are fixed at one end of the array control sliding cylinder on the inside of the magnetization support pipe.

[0021] An array control driving rod for driving the array control sliding cylinder to move is arranged in the array control fixed cylinder.

[0022] A plurality of sludge magnetization permanent magnets arranged around the circumference of the magnetization support pipe at the same cross section of the magnetization support pipe is a group, and each group of sludge magnetization permanent magnets forms an annular structure around the circumference of the magnetization support pipe, and a plurality of annular structures of sludge magnetization permanent magnets are arranged along the axis direction of the magnetization support pipe.

[0023] Description: The position of each sludge magnetization permanent magnet is controlled by the magnetization array control structure, and the magnetic field strength and direction at the sludge magnetization flow pipe are controlled. Each sludge magnetization permanent magnet can be independently controlled to adjust the relative position between each sludge magnetization permanent magnet and the sludge magnetization flow pipe according to actual needs.

[0024] Preferably, the sludge pyrolysis cylinder shell is provided with a sludge pyrolysis recovery scraper on the side away from the pyrolysis collection input shell, and the sludge pyrolysis recovery scraper includes a recovery scraper main body and a recovery scraper knife edge, and the recovery scraper knife edge is in top pressing contact with the outer side of the sludge pyrolysis cylinder shell.

[0025] The recovery scraper main body is arranged along the axis direction parallel to the sludge pyrolysis cylinder shell, and the two ends of the recovery scraper main body are fixedly connected to the inner side wall of the sludge pyrolysis support shell.

[0026] The sludge pyrolysis support shell is provided with a sludge recovery containing pool with an opening upward below the sludge pyrolysis recovery scraper.

[0027] Description: The oil-containing sludge after pyrolysis forms sludge residue, which is stripped from the outer surface of the sludge pyrolysis cylinder shell under the action of the sludge pyrolysis recovery scraper, and the sludge residue slides down the upper side of the sludge pyrolysis recovery scraper to the sludge recovery containing pool for centralized storage.

[0028] Preferably, the pyrolysis collection input shell is provided with a thickness control mechanism at the top, and the thickness control mechanism includes a thickness control scraper slidingly connected to the top of the pyrolysis collection input shell.

[0029] The sludge pyrolysis support shell is fixedly provided with a back support plate extending along the axis direction parallel to the sludge pyrolysis cylinder shell, and the back support plate is fixedly provided with a thickness control fixed cylinder extending along the radial direction of the sludge pyrolysis cylinder shell, and the opening end of the thickness control fixed cylinder faces one side of the sludge pyrolysis cylinder shell, and the thickness control fixed cylinder is slidingly connected with a thickness control sliding cylinder, and the thickness control scraper is fixedly connected to the outer end of the thickness control sliding cylinder.

[0030] The thickness control fixed cylinder is provided with a thickness control driving rod for driving the thickness control sliding cylinder to move.

[0031] Description: Adjusting the distance between the side edge of the thickness control scraper close to the sludge pyrolysis cylinder shell and the outer surface of the sludge pyrolysis cylinder shell can adjust the thickness of the oil-containing sludge discharged from the sludge laying output slot and coated on the outer surface of the sludge pyrolysis cylinder shell.

[0032] Preferably, a texture control mechanism is arranged above the thickness control scraper, the texture control mechanism comprising a texture control scraper slidingly connected to the top of the thickness control scraper, a texture control fixed cylinder fixed to the back support plate and arranged in parallel with the thickness control fixed cylinder, the opening end of the texture control fixed cylinder facing the side of the sludge pyrolysis cylinder shell, and a texture control sliding cylinder slidingly connected in the texture control fixed cylinder, the texture control scraper being fixedly connected to the outer end of the texture control sliding cylinder.

[0033] The side edge of the texture control scraper close to the sludge pyrolysis cylinder shell has a plurality of texture flow grooves.

[0034] The texture control fixed cylinder is provided with a texture control driving rod for driving the texture control sliding cylinder to move.

[0035] Description: The oil-containing sludge discharged from the sludge laying output slot and coated on the outer surface of the sludge pyrolysis cylinder shell can only pass through the texture flow grooves on the side edge of the texture control scraper. By replacing texture control scrapers of various specifications, the shape of the oil-containing sludge coated on the outer surface of the sludge pyrolysis cylinder shell can be adjusted.

[0036] Preferably, an upwardly open sludge preheating temporary storage tank is arranged below the sludge pyrolysis cylinder shell in the sludge pyrolysis support shell, and the lower side of the sludge pyrolysis cylinder shell extends into the sludge preheating temporary storage tank.

[0037] The sludge preheating temporary storage tank is provided with a preheating sludge conveying pump, and the output end of the preheating sludge conveying pump is connected in communication with the pyrolysis collection input pipe through a pipeline.

[0038] The output end of the magnetized sludge conveying pump is connected in communication with the sludge preheating temporary storage tank.

[0039] The sludge preheating temporary storage tank is provided with a preheating sludge scraper, the preheating sludge scraper comprising a preheating scraper main body and a preheating scraper knife edge, the preheating scraper knife edge being in top pressing contact with the outer side of the sludge pyrolysis cylinder shell, the preheating scraper main body extending and arranged along the axis direction parallel to the sludge pyrolysis cylinder shell, and the end of the preheating scraper main body being fixedly connected to the inner side wall of the sludge preheating temporary storage tank.

[0040] Description: The lower side of the sludge pyrolysis cylinder shell is immersed in the oil-containing sludge to be pyrolyzed, and the oil-containing sludge is preheated by using the waste heat of the sludge pyrolysis cylinder shell, thereby saving energy and improving the pyrolysis efficiency.

[0041] Preferably, the condensation recovery containing tank is provided with a heat exchange circulating mechanism, the heat exchange circulating mechanism comprising a circulating driving cylinder shell arranged in the condensation recovery containing tank and having an opening facing upward, and a plurality of circulating driving plates fixed to the outer side wall of the circulating driving cylinder shell.

[0042] The bottom of the circulating flow driving cylinder shell is fixed with a circulating flow driving shaft extending in the vertical direction, the bottom of the condensate recovery containing tank is fixed with a circulating flow driving containing shell, the lower end of the circulating flow driving shaft extends to the inside of the circulating flow driving containing shell, and the circulating flow driving containing shell is provided with a circulating flow driving motor for driving the circulating flow driving shaft to rotate;

[0043] The top of the condensate recovery containing tank is fixed with an inner ring cooling input pipe and an inner ring cooling output pipe extending in the vertical direction, and the lower ends of the inner ring cooling input pipe and the inner ring cooling output pipe extend to the inside of the circulating flow driving cylinder shell.

[0044] Description: The heat exchange circulating flow mechanism is used to promote the flow of cooling water in the condensate recovery containing tank, so that the cooling water and the condensate recovery circulating pipe are in more sufficient contact for heat exchange, and the cooling water in the circulating flow driving cylinder shell can play an auxiliary cooling role, so that the cooling water in the condensate recovery containing tank is kept at a lower temperature, and the heat exchange efficiency in the condensate recovery containing tank is higher.

[0045] On the other hand, the application also provides an oil-containing sludge magnetization pyrolysis treatment method based on the above-mentioned oil-containing sludge treatment magnetization pyrolysis treatment system, which comprises the following steps:

[0046] S1, oil-containing sludge magnetization treatment:

[0047] The oil-containing sludge to be treated is transported into the sludge magnetization circulating pipe, and the oil-containing sludge flows in the sludge magnetization circulating pipe at a flow rate of 0.3-0.6 m / min;

[0048] The oil-containing sludge is magnetized by the multiple arrayed sludge magnetization permanent magnets under the condition that the magnetic field strength is 6000 Gauss, and the magnetization treatment time is 5-10 min;

[0049] S2, oil-containing sludge pyrolysis:

[0050] The oil-containing sludge after magnetization treatment is transported into the pyrolysis collection input shell, and then the sludge pyrolysis cylinder shell is driven to rotate in the counterclockwise direction by the gear ring transmission structure of the servo motor fixed on the inner side wall of the sludge pyrolysis support shell;

[0051] The oil-containing sludge in the pyrolysis collection input shell is discharged from the sludge laying output slot and coated on the outer surface of the sludge pyrolysis cylinder shell, and the oil-containing sludge continues to rotate with the sludge pyrolysis cylinder shell and passes through the electromagnetic induction heater, and each electromagnetic induction heater heats the sludge pyrolysis cylinder shell by electromagnetic induction heating;

[0052] The heating temperature of the sludge pyrolysis cylinder shell is 500 DEG C, and the oil-containing sludge coated on the outer surface of the sludge pyrolysis cylinder shell is pyrolyzed on the sludge pyrolysis cylinder shell for 60-90 min;

[0053] The oil-gas separation outer exhaust pipe is provided with a fan, and the input end of the fan is communicated with the oil-gas separation outer exhaust pipe, under the suction of the fan, the oil gas generated by pyrolysis of the oily sludge enters the oil-gas separation outer exhaust shell through the oil-gas separation flow-through holes, and is then discharged through the oil-gas separation outer exhaust pipe;

[0054] S3, oil-gas condensation recovery treatment:

[0055] The oil gas discharged from the oil-gas separation outer exhaust pipe enters from the upper end of the condensation recovery flow-through pipe, and flows through the condensation recovery flow-through pipe from top to bottom, the condensation recovery containing tank is provided with cooling water, and the oil gas in the condensation recovery flow-through pipe is liquefied through heat exchange;

[0056] The liquefied oil gas is discharged from the lower end of the condensation recovery flow-through pipe and flows into the condensation recovery temporary storage shell for temporary storage.

[0057] Compared with the prior art, the beneficial effects of the present application are embodied in the following aspects:

[0058] 1、The structure design of the present application is reasonable, has high efficient oil sludge separation performance, can effectively separate oil, water and solid impurities in the oily sludge, magnetizes the oily sludge under the action of the magnetic field, can change the surface properties of oil droplets in the oily sludge, the surface tension and wettability of the small oil droplets change, the small oil droplets collide and aggregate into large oil droplets, which makes it easier to aggregate and separate;

[0059] 2、The present application is easy to operate and has high efficient pyrolysis treatment performance, the pyrolysis process can realize deep decomposition of organic components in the oily sludge, and can decompose long-chain hydrocarbons, polycyclic aromatic hydrocarbons and other organic pollutants in the oil sludge into small molecular combustible gas and liquid;

[0060] 3、The present application has stable magnetization performance, the multiple array arranged sludge magnetization permanent magnet can provide stable and uniform magnetic field, and the magnetization array control structure can adaptively adjust the magnetic field strength to adapt to the properties of the actual oily sludge;

[0061] 4、In the pyrolysis treatment, according to the actual water content of the oily sludge, the thin-thick control mechanism is used to adjust the thickness of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell, so as to ensure that the oily sludge can be pyrolyzed more completely;

[0062] 5、In the pyrolysis treatment, the lower side of the sludge pyrolysis cylinder shell is immersed in the oily sludge to be pyrolyzed, the residual heat of the sludge pyrolysis cylinder shell is used to preheat the oily sludge, which saves energy and improves the pyrolysis efficiency;

[0063] 6、The application promotes the flow of cooling water in the condensing recovery containing tank, makes the cooling water and the condensing recovery flow pipe contact more fully, and the cooling water in the circulation driving cylinder shell can play the role of auxiliary cooling, so that the cooling water in the condensing recovery containing tank keeps at a lower temperature, and the heat exchange efficiency of the condensing recovery containing tank is higher. BRIEF DESCRIPTION OF DRAWINGS

[0064] Figure 1 is the schematic diagram of the overall layout of the application;

[0065] Figure 2 is the structural schematic diagram of the sludge magnetization mechanism of the application;

[0066] Figure 3 is the structural schematic diagram of the magnetization array control structure of the application;

[0067] Figure 4 is the left view of the magnetization array control structure of the application;

[0068] Figure 5 is the structural schematic diagram of the sludge pyrolysis mechanism of the application;

[0069] Figure 6 is the structural schematic diagram of the thickness control mechanism of the application;

[0070] Figure 7 is the top view of the texture control scraper of the application;

[0071] Figure 8 is the structural schematic diagram of the condensing recovery mechanism of the application;

[0072] Figure 9 is the top view of Figure 8 .

[0073] In the figure, 10-sludge magnetization mechanism, 101-sludge magnetization input pipe, 102-oily sludge storage box, 103-magnetized sludge storage box, 104-magnetized sludge conveying pump, 11-sludge magnetization flow pipe, 12-magnetization support pipe, 13-sludge magnetization permanent magnet, 14-screw extruder, 15-magnetization array control structure, 150-array connection hole, 151-array control fixed cylinder, 152-array control sliding cylinder, 153-array control driving rod, 20-sludge pyrolysis mechanism, 201-sludge pyrolysis support shell, 202-back support plate, 21-sludge pyrolysis cylinder shell, 22-pyrolysis collection input shell, 220-pyrolysis collection input pipe, 221-sludge laying output slot, 23-pyrolysis support arc plate, 231-electromagnetic induction heater, 24-oil and gas separation discharge shell, 240-oil and gas separation flow-through hole, 241-oil and gas separation discharge pipe, 25-sludge pyrolysis recovery scraper, 251-recovery scraper main body, 252-recovery scraper knife edge, 253-sludge recovery containing pool, 26-thinness control mechanism, 261-thinness control scraper, 262-thinness control fixed cylinder, 263-thinness control sliding cylinder, 264-thinness control driving rod, 27-texture control mechanism, 271-texture control scraper, 2710-texture flow-through slot, 272-texture control fixed cylinder, 273-texture control sliding cylinder, 274-texture control driving rod, 28-sludge preheating temporary storage pool, 281-preheating sludge conveying pump, 282-preheating sludge scraper, 2821-preheating scraper main body, 2822-preheating scraper knife edge, 30-condensation recovery mechanism, 31-condensation recovery containing tank, 311-main cooling liquid input pipe, 312-main cooling liquid output pipe, 32-condensation recovery flow pipe, 33-condensation recovery temporary storage shell, 34-heat exchange circulation mechanism, 341-circulation drive cylinder shell, 342-circulation drive plate, 343-circulation drive shaft, 344-circulation drive containing shell, 345-circulation drive motor, 346-inner ring cooling input pipe, 347-inner ring cooling output pipe. DETAILED DESCRIPTION

[0074] The following will be described in conjunction with Figures 1-9 For the convenience of description, the following directions are defined as follows: the up-down, left-right, front-back directions described below are consistent with the up-down, left-right, front-back directions of the projection relationship of the respective main view or structural schematic view itself.

[0075] Example 1: A magnetization pyrolysis treatment system for oily sludge treatment, as shown in Figure 1 , comprising a sludge magnetization mechanism 10, a sludge pyrolysis mechanism 20 and a condensation recovery mechanism 30 connected in sequence;

[0076] As shown in Figure 2As shown, the sludge magnetization mechanism 10 comprises a horizontally arranged sludge magnetization flow pipe 11, and a magnetization support pipe 12 coaxially arranged outside the sludge magnetization flow pipe 11, and a plurality of sludge magnetization permanent magnets 13 are arranged inside the magnetization support pipe 12;

[0077] The sludge magnetization permanent magnets 13 are prior art, for example, existing neodymium iron boron permanent magnets can be used;

[0078] As shown in the figure, Figure 5 As shown, the sludge pyrolysis mechanism 20 comprises a sludge pyrolysis support shell 201, and a horizontally arranged sludge pyrolysis cylinder 21 is rotationally connected inside the sludge pyrolysis support shell 201, and a pyrolysis collection input shell 22 extending along the direction parallel to the axis of the sludge pyrolysis cylinder 21 is arranged on the side of the sludge pyrolysis cylinder 21, and the open side of the pyrolysis collection input shell 22 is in close contact with the outer side of the sludge pyrolysis cylinder 21;

[0079] The two ends of the pyrolysis collection input shell 22 are fixedly connected with the inner side wall of the sludge pyrolysis support shell 201;

[0080] As shown in the figure, Figure 6 As shown, the sludge pyrolysis mechanism 20 comprises a sludge pyrolysis support shell 201, and a horizontally arranged sludge pyrolysis cylinder 21 is rotationally connected inside the sludge pyrolysis support shell 201, and a pyrolysis collection input shell 22 extending along the direction parallel to the axis of the sludge pyrolysis cylinder 21 is arranged on the side of the sludge pyrolysis cylinder 21, and the open side of the pyrolysis collection input shell 22 is in close contact with the outer side of the sludge pyrolysis cylinder 21;

[0081] As shown in the figure, Figure 5 As shown, the sludge pyrolysis mechanism 20 comprises a sludge pyrolysis support shell 201, and a horizontally arranged sludge pyrolysis cylinder 21 is rotationally connected inside the sludge pyrolysis support shell 201, and a pyrolysis collection input shell 22 extending along the direction parallel to the axis of the sludge pyrolysis cylinder 21 is arranged on the side of the sludge pyrolysis cylinder 21, and the open side of the pyrolysis collection input shell 22 is in close contact with the outer side of the sludge pyrolysis cylinder 21;

[0082] The two ends of the pyrolysis collection input shell 22 are fixedly connected with the inner side wall of the sludge pyrolysis support shell 201;

[0083] The sludge pyrolysis cylinder 21 is driven to rotate by a prior art servo motor fixed on the inner side wall of the sludge pyrolysis support shell 201 through a gear ring transmission structure;

[0084] As shown in the figure, Figure 5 As shown, the sludge pyrolysis mechanism 20 comprises a sludge pyrolysis support shell 201, and a horizontally arranged sludge pyrolysis cylinder 21 is rotationally connected inside the sludge pyrolysis support shell 201, and a pyrolysis collection input shell 22 extending along the direction parallel to the axis of the sludge pyrolysis cylinder 21 is arranged on the side of the sludge pyrolysis cylinder 21, and the open side of the pyrolysis collection input shell 22 is in close contact with the outer side of the sludge pyrolysis cylinder 21;

[0085] As shown in the figure, Figure 8As shown, the condensation recovery mechanism 30 includes a condensation recovery containing tank 31, a condensation recovery flow pipe 32 fixedly arranged in the condensation recovery containing tank 31 and spirally extending in the vertical direction, an upper end of the condensation recovery flow pipe 32 being in communication with the oil-gas separation and discharge pipe 241, and a condensation recovery temporary storage shell 33 fixedly arranged at the bottom of the condensation recovery containing tank 31 and in communication with a lower end of the condensation recovery flow pipe 32.

[0086] The condensation recovery containing tank 31 is externally fixed with a main cooling liquid input pipe 311 and a main cooling liquid output pipe 312 in communication with the inside of the condensation recovery containing tank 31.

[0087] Embodiment 2: The embodiment describes a method for magnetized pyrolysis treatment of oily sludge, and the method is based on a magnetized pyrolysis treatment system for oily sludge treatment in Embodiment 1, and includes the following steps:

[0088] S1, magnetization treatment of the oily sludge:

[0089] The oily sludge to be treated is delivered into the sludge magnetization flow pipe 11, and the oily sludge flows in the sludge magnetization flow pipe 11 at a flow rate of 0.3 m / min;

[0090] The oily sludge is magnetized by the plurality of arrayed sludge magnetization permanent magnets 13 under the condition that the magnetic field strength is 6000 Gauss, and the magnetization treatment time is 10 min;

[0091] S2, pyrolysis of the oily sludge:

[0092] The magnetized oily sludge is delivered into the pyrolysis collection input shell 22, and then the sludge pyrolysis cylinder shell 21 is driven to rotate in the counterclockwise direction by the gear ring transmission structure of the servo motor fixed to the inner side wall of the sludge pyrolysis support shell 201;

[0093] The oily sludge in the pyrolysis collection input shell 22 is discharged from the sludge laying output slot 221 and coated on the outer surface of the sludge pyrolysis cylinder shell 21, and the oily sludge continues to rotate with the sludge pyrolysis cylinder shell 21 and passes through the electromagnetic induction heater 231, and each electromagnetic induction heater 231 heats the sludge pyrolysis cylinder shell 21 by electromagnetic induction heating;

[0094] The heating temperature of the sludge pyrolysis cylinder shell 21 is 500℃, and the pyrolysis time of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 on the sludge pyrolysis cylinder shell 21 is 90 min;

[0095] The oil-gas separation and discharge pipe 241 is provided with a fan, and an input end of the fan is in communication with the oil-gas separation and discharge pipe 241, under the suction action of the fan, the oil gas generated by the oily sludge pyrolysis enters the oil-gas separation and discharge shell 24 through the oil-gas separation flow holes 240, and then is discharged through the oil-gas separation and discharge pipe 241;

[0096] S3, oil and gas condensation recovery treatment:

[0097] The oil and gas discharged from the oil and gas separation exhaust pipe 241 enters from the upper end of the condensation recovery flow pipe 32, and the oil and gas flows from top to bottom in the condensation recovery flow pipe 32. The condensation recovery containing tank 31 contains cooling water, which liquefies the oil and gas in the condensation recovery flow pipe 32 through heat exchange;

[0098] The liquefied oil and gas is discharged from the lower end of the condensation recovery flow pipe 32 and flows into the condensation recovery temporary storage shell 33 for temporary storage;

[0099] The existing technology uses a delivery pump to deliver cooling water to the condensation recovery containing tank 31 through the main cooling liquid input pipe 311, and an equal amount of cooling water is discharged from the main cooling liquid output pipe 312. In this way, the cooling water is circulated and delivered to the condensation recovery containing tank 31 for heat exchange with the oil and gas in the condensation recovery flow pipe 32.

[0100] Example 3: Based on Example 1, as shown in Figure 2 The input end of the sludge magnetization flow pipe 11 is connected to a screw extruder 14, and the output end of the screw extruder 14 is connected to the sludge magnetization flow pipe 11;

[0101] The input end of the screw extruder 14 is connected to an oil-containing sludge storage tank 102 through the sludge magnetization input pipe 101.

[0102] As shown in Figure 2 The output end of the sludge magnetization flow pipe 11 is connected to a magnetized sludge storage tank 103, and the magnetized sludge storage tank 103 is fixed with a magnetized sludge delivery pump 104. The magnetized sludge delivery pump 104 is a screw pump of existing technology;

[0103] A plurality of pyrolysis collection input pipes 220 are fixed outside the pyrolysis collection input shell 22 and connected to the inside, and the output end of the magnetized sludge delivery pump 104 is connected to the pyrolysis collection input pipe 220.

[0104] Example 4: This embodiment describes a method for magnetized pyrolysis treatment of oil-containing sludge, based on the magnetized pyrolysis treatment system for oil-containing sludge in Example 3, which is different from Example 2 in that;

[0105] In step S1, the oil-containing sludge to be treated is stored in the oil-containing sludge storage tank 102, and the oil-containing sludge in the oil-containing sludge storage tank 102 is delivered to the input end of the screw extruder 14 through the sludge magnetization input pipe 101. Under the extrusion and delivery action of the screw extruder 14, the oil-containing sludge is discharged from the output end of the screw extruder 14 and enters the sludge magnetization flow pipe 11 for flow;

[0106] After being magnetized, the oily sludge is discharged from the sludge magnetization flow pipe 11 and temporarily stored in the magnetized sludge storage box 103.

[0107] Example 5: Based on Example 3, such as Figure 2 As shown, the sludge magnetized permanent magnet 13 is connected to the magnetized support tube 12 through the magnetization array control structure 15. The magnetized support tube 12 has multiple array connection holes 150 that extend radially through its sidewall, such as... Figure 3 As shown, the magnetization array control structure 15 includes an array control fixing cylinder 151 that is fixed in the array connection hole 150, extends radially along the magnetization support tube 12 and has an inward opening, and an array control sliding cylinder 152 with an outward opening is slidably connected inside the array control fixing cylinder 151. Multiple sludge magnetization permanent magnets 13 are fixed one-to-one at one end of the array control sliding cylinder 152 located inside the magnetization support tube 12.

[0108] The array control fixed cylinder 151 is provided with an array control drive rod 153 for driving the array control sliding cylinder 152 to move. The array control drive rod 153 is an existing electrically controlled telescopic rod driven by a servo motor. The outer end of the array control drive rod 153 is fixedly connected to the inner end of the array control fixed cylinder 151, and the inner end of the array control drive rod 153 is fixedly connected to the inner end of the array control sliding cylinder 152.

[0109] like Figure 4 As shown, multiple sludge magnetized permanent magnets 13 arranged around the circumference of the magnetized support tube 12 at the same cross-section form a group. Each group of sludge magnetized permanent magnets 13 forms a ring structure around the circumference of the magnetized support tube 12. Multiple groups of ring-structured sludge magnetized permanent magnets 13 are arranged along the axial direction of the magnetized support tube 12.

[0110] Example 6: This example describes a magnetization pyrolysis treatment method for oily sludge, based on the magnetization pyrolysis treatment system for oily sludge treatment in Example 5, but differing from Example 4 in that;

[0111] In step S1, the position of each sludge magnetized permanent magnet 13 is controlled by the magnetization array control structure 15, thereby controlling the magnetic field strength and direction at the sludge magnetization flow pipe 11.

[0112] The array control drive rod 153 drives the array control sliding cylinder 152 together with the sludge magnetized permanent magnet 13 to move radially along the magnetized support tube 12. When the inner rod of the array control drive rod 153 extends, it drives the sludge magnetized permanent magnet 13 to move closer to the sludge magnetized flow tube 11. When the inner rod of the array control drive rod 153 retracts, it drives the sludge magnetized permanent magnet 13 away from the sludge magnetized flow tube 11.

[0113] The plurality of sludge magnetized permanent magnets 13 in the same group are further divided into group A and group B in a form of being spaced apart by one, the sludge magnetized permanent magnets 13 in group A are controlled to be close to the sludge magnetization flow pipe 11, and the sludge magnetized permanent magnets 13 in group B are controlled to be away from the sludge magnetization flow pipe 11;

[0114] Each sludge magnetized permanent magnet 13 can be independently controlled to adjust the relative position between the sludge magnetized permanent magnet 13 and the sludge magnetization flow pipe 11 according to actual needs.

[0115] Example 7: Based on example 5, as shown in Figure 5 The sludge pyrolysis recovery scraper 25 is provided on the side of the sludge pyrolysis cylinder shell 21 away from the pyrolysis collection input shell 22, and the sludge pyrolysis recovery scraper 25 includes a recovery scraper main body 251 and a recovery scraper knife edge 252, and the recovery scraper knife edge 252 is in top pressing contact with the outer side of the sludge pyrolysis cylinder shell 21;

[0116] The recovery scraper main body 251 is arranged in an extending direction parallel to the axis of the sludge pyrolysis cylinder shell 21, and both ends of the recovery scraper main body 251 are fixedly connected to the inner side wall of the sludge pyrolysis support shell 201;

[0117] A sludge recovery containing pool 253 with an opening upward is provided below the sludge pyrolysis recovery scraper 25 in the sludge pyrolysis support shell 201.

[0118] Example 8: This embodiment describes a method for magnetized pyrolysis treatment of oily sludge, based on the magnetized pyrolysis treatment system for oily sludge treatment in example 7 above, and the difference from example 6 is that

[0119] In step S2, the pyrolyzed oily sludge forms sludge residue, and when the sludge residue passes through the sludge pyrolysis recovery scraper 25 with the rotation of the sludge pyrolysis cylinder shell 21, the sludge residue is stripped from the outer surface of the sludge pyrolysis cylinder shell 21 under the scraping effect of the recovery scraper knife edge 252 of the sludge pyrolysis recovery scraper 25, and the sludge residue slides down along the upper side of the sludge pyrolysis recovery scraper 25 and is stored in the sludge recovery containing pool 251.

[0120] Example 9: Based on example 7, as shown in Figure 6 The pyrolysis collection input shell 22 is provided with a thickness control mechanism 26 at the top, and the thickness control mechanism 26 includes a thickness control scraper 261 slidingly connected to the top of the pyrolysis collection input shell 22;

[0121] The sludge pyrolysis supporting shell 201 is fixed with a back supporting plate 202 extending along the direction parallel to the axis of the sludge pyrolysis cylinder shell 21, and the back supporting plate 202 is fixed with a thickness control fixed cylinder 262 extending along the radial direction of the sludge pyrolysis cylinder shell 21, and the opening end of the thickness control fixed cylinder 262 faces one side of the sludge pyrolysis cylinder shell 21, and the thickness control fixed cylinder 262 is slidably connected with a thickness control sliding cylinder 263, and the thickness control scraper 261 is fixedly connected with the outer end of the thickness control sliding cylinder 263.

[0122] The thickness control fixed cylinder 262 is provided with a thickness control driving rod 264 for driving the thickness control sliding cylinder 263 to move, and the thickness control driving rod 264 is a prior art electric control telescopic rod driven by a servo motor, and the outer rod end of the thickness control driving rod 264 is fixedly connected with the inner end of the thickness control fixed cylinder 262, and the inner rod end of the thickness control driving rod 264 is fixedly connected with the inner end of the thickness control sliding cylinder 263.

[0123] Embodiment 10: The embodiment describes a method for magnetizing and pyrolyzing oily sludge, which is based on the magnetizing and pyrolyzing system for oily sludge treatment in Embodiment 9, and the difference from Embodiment 8 is that

[0124] In step S2, the thickness of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 is adjusted by the thickness control mechanism 26, the thickness control driving rod 264 can drive the thickness control sliding cylinder 263 to move along the radial direction of the sludge pyrolysis cylinder shell 21 together with the thickness control scraper 261, and the inner rod of the thickness control driving rod 264 is extended to drive the thickness control scraper 261 to approach the outer surface of the sludge pyrolysis cylinder shell 21, and the inner rod of the thickness control driving rod 264 is retracted to drive the thickness control scraper 261 to move away from the outer surface of the sludge pyrolysis cylinder shell 21;

[0125] The interval between the side edge of the thickness control scraper 261 approaching the sludge pyrolysis cylinder shell 21 and the outer surface of the sludge pyrolysis cylinder shell 21 is adjusted, so as to adjust the thickness of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 discharged from the sludge laying output slot 221.

[0126] Embodiment 11: Based on Embodiment 9, as shown in Figure 6 A texture control mechanism 27 is arranged above the thickness control scraper 261, the texture control mechanism 27 includes a texture control scraper 271 slidably connected to the top of the thickness control scraper 261, and the back supporting plate 202 is fixed with a texture control fixed cylinder 272 arranged in parallel with the thickness control fixed cylinder 262, and the opening end of the texture control fixed cylinder 272 faces one side of the sludge pyrolysis cylinder shell 21, and the texture control fixed cylinder 272 is slidably connected with a texture control sliding cylinder 273, and the texture control scraper 271 is fixedly connected with the outer end of the texture control sliding cylinder 273;

[0127] The texture control scraper 271 has a plurality of texture flow grooves 2710 near the side of the sludge pyrolysis cylinder shell 21;

[0128] The texture control fixed cylinder 272 is provided with a texture control driving rod 274 for driving the texture control sliding cylinder 273 to move. The texture control driving rod 274 is an existing electric control telescopic rod driven by a servo motor. The outer rod end of the texture control driving rod 274 is fixedly connected with the inner end of the texture control fixed cylinder 272, and the inner rod end of the texture control driving rod 274 is fixedly connected with the inner end of the texture control sliding cylinder 273.

[0129] Example 12: This embodiment describes a method for magnetizing and pyrolyzing oily sludge. Based on the magnetizing and pyrolyzing system for oily sludge treatment in Example 11, the difference from Example 10 is that

[0130] In step S2, the shape of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 is adjusted by the texture control mechanism 27. The texture control driving rod 274 can drive the texture control sliding cylinder 273 to move together with the texture control scraper 271. When the inner rod of the texture control driving rod 274 is extended, the texture control scraper 271 is brought close to the outer surface of the sludge pyrolysis cylinder shell 21. When the inner rod of the texture control driving rod 274 is retracted, the texture control scraper 271 is brought away from the outer surface of the sludge pyrolysis cylinder shell 21.

[0131] The oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 is discharged from the sludge laying output groove 221 and can only pass through the texture flow grooves 2710 on the side of the texture control scraper 271. By replacing texture control scrapers 271 of various specifications, the shape of the oily sludge coated on the outer surface of the sludge pyrolysis cylinder shell 21 can be adjusted.

[0132] Example 13: Based on Example 11, as shown in Figure 5 The sludge preheating temporary storage pool 28 is provided in the sludge pyrolysis support shell 201 below the sludge pyrolysis cylinder shell 21 and has an opening facing upward. The lower side of the sludge pyrolysis cylinder shell 21 extends to the inside of the sludge preheating temporary storage pool 28.

[0133] The sludge preheating temporary storage pool 28 is provided with a preheating sludge conveying pump 281. The output end of the preheating sludge conveying pump 281 is connected in communication with the pyrolysis collection input pipe 220 through a pipeline.

[0134] The preheating sludge conveying pump 281 is a screw pump of the prior art.

[0135] The output end of the magnetized sludge conveying pump 104 is connected in communication with the sludge preheating temporary storage pool 28.

[0136] The sludge preheating temporary storage tank 28 is provided with a preheating sludge scraper 282, which includes a preheating scraper main body 2821 and a preheating scraper knife edge 2822. The preheating scraper knife edge 2822 is in top pressing contact with the outer side of the sludge pyrolysis cylinder shell 21. The preheating scraper main body 2821 extends along the axis direction parallel to the sludge pyrolysis cylinder shell 21. The end of the preheating scraper main body 2821 is fixedly connected to the inner side wall of the sludge preheating temporary storage tank 28.

[0137] Embodiment 14: The embodiment describes a method for magnetizing and pyrolyzing oily sludge. The method is based on the magnetizing and pyrolyzing system for treating oily sludge in Embodiment 13. The difference from Embodiment 12 is that:

[0138] In step S2, the magnetized oily sludge is first transported into the sludge preheating temporary storage tank 28 by the magnetized sludge conveying pump 104. The lower side of the sludge pyrolysis cylinder shell 21 is immersed in the oily sludge. The residual oily sludge attached to the outer surface of the sludge pyrolysis cylinder shell 21 is scraped down by the preheating sludge scraper 282 and falls back into the sludge preheating temporary storage tank 28. The preheated oily sludge is then transported into the pyrolysis collection input shell 22 by the preheating sludge conveying pump 281.

[0139] Embodiment 15: Based on Embodiment 13, as shown in Figure 8 The condensate recovery container 31 is provided with a heat exchange circulating mechanism 34. The heat exchange circulating mechanism 34 includes a circulating drive cylinder shell 341 arranged in the condensate recovery container 31 with the opening facing upwards. The outer side wall of the circulating drive cylinder shell 341 is fixedly connected to a plurality of circulating drive plates 342.

[0140] The bottom of the circulating drive cylinder shell 341 is fixedly connected to a circulating drive shaft 343 extending in the vertical direction. The bottom of the condensate recovery container 31 is fixedly connected to a circulating drive containing shell 344. The lower end of the circulating drive shaft 343 extends into the interior of the circulating drive containing shell 344. The circulating drive containing shell 344 is provided with a circulating drive motor 345 for driving the rotation of the circulating drive shaft 343.

[0141] The circulating drive motor 345 is a motor of the prior art. The output shaft of the circulating drive motor 345 drives the rotation of the circulating drive shaft 343 through gear transmission.

[0142] The top of the condensate recovery container 31 is fixedly connected to an inner ring cooling input pipe 346 and an inner ring cooling output pipe 347 extending in the vertical direction. The lower ends of the inner ring cooling input pipe 346 and the inner ring cooling output pipe 347 extend into the interior of the circulating drive cylinder shell 341.

[0143] Embodiment 16: This embodiment describes a method for magnetized pyrolysis treatment of oily sludge, a magnetized pyrolysis treatment system for oily sludge treatment based on Embodiment 15, which is different from Embodiment 14 in that

[0144] In step S3, the heat exchange circulation mechanism 34 is used to promote the circulation of cooling water in the condensate recovery container 31, so that the heat exchange of the condensate recovery circulation pipe 32 is more uniform;

[0145] The circulation driving motor 345 drives the circulation driving shaft 343 to rotate, and the circulation driving shaft 343 drives the circulation driving cylinder shell 341 to rotate together with the plurality of circulation driving plates 342, so as to stir the cooling water in the condensate recovery container 31, make the cooling water in the condensate recovery container 31 circulate, and further make the cooling water and the condensate recovery circulation pipe 32 more fully contact to exchange heat;

[0146] At the same time, the existing technology conveying pump is used to input cooling water into the circulation driving cylinder shell 341 through the inner ring cooling input pipe 346, and the existing technology conveying pump is used to discharge the same amount of cooling water from the circulation driving cylinder shell 341 through the inner ring cooling output pipe 347, so that the cooling water in the circulation driving cylinder shell 341 can play an auxiliary cooling role, so that the cooling water in the condensate recovery container 31 can be kept at a lower temperature, and the heat exchange efficiency in the condensate recovery container 31 can be higher.

[0147] Embodiment 17: Different from Embodiment 16, in step S1, the oily sludge is circulated in the sludge magnetization circulation pipe 11 at a flow rate of 0.5 m / min;

[0148] The magnetization treatment time of the oily sludge is 6 min;

[0149] In step S2, the pyrolysis treatment time of the oily sludge is 75 min.

[0150] Embodiment 18: Different from Embodiment 16, in step S1, the oily sludge is circulated in the sludge magnetization circulation pipe 11 at a flow rate of 0.6 m / min;

[0151] The magnetization treatment time of the oily sludge is 5 min;

[0152] In step S2, the pyrolysis treatment time of the oily sludge is 60 min.

Claims

1. A magnetization pyrolysis treatment system for treating oily sludge, characterized in that, The sludge magnetization mechanism (10), the sludge pyrolysis mechanism (20) and the condensation recovery mechanism (30) are sequentially connected. The sludge magnetization mechanism (10) comprises a horizontally arranged sludge magnetization flow pipe (11), and a magnetization support pipe (12) is coaxially arranged outside the sludge magnetization flow pipe (11); a plurality of sludge magnetization permanent magnets (13) are arranged inside the magnetization support pipe (12). The sludge magnetization permanent magnets (13) are connected to the magnetization support pipe (12) through a magnetization array control structure (15); the magnetization support pipe (12) has a plurality of array connection holes (150) penetrating in the radial direction; the magnetization array control structure (15) comprises an array control fixed cylinder (151) fixed in the array connection hole (150) and extending in the radial direction of the magnetization support pipe (12) and opening inward; an array control sliding cylinder (152) opening outward is slidably connected in the array control fixed cylinder (151); and the sludge magnetization permanent magnets (13) are fixed at one end of the array control sliding cylinder (152) inside the magnetization support pipe (12) in one-to-one correspondence. An array control driving rod (153) is arranged in the array control fixed cylinder (151) to drive the array control sliding cylinder (152) to move. A plurality of sludge magnetization permanent magnets (13) arranged at the same cross section of the magnetization support pipe (12) form a group; the sludge magnetization permanent magnets (13) of each group form a ring structure around the circumference of the magnetization support pipe (12); and a plurality of groups of the sludge magnetization permanent magnets (13) are arranged along the axis of the magnetization support pipe (12). The sludge pyrolysis mechanism (20) comprises a sludge pyrolysis support shell (201), and a horizontally arranged sludge pyrolysis cylinder shell (21) is rotatably connected in the sludge pyrolysis support shell (201); a pyrolysis collection input shell (22) extending in parallel to the axis of the sludge pyrolysis cylinder shell (21) is arranged on the side surface of the sludge pyrolysis cylinder shell (21); the side of the pyrolysis collection input shell (22) close to the sludge pyrolysis cylinder shell (21) is an open side, and the open side of the pyrolysis collection input shell (22) is in close contact with the outer side of the sludge pyrolysis cylinder shell (21). A sludge laying output slot (221) is arranged on the top of the pyrolysis collection input shell (22) close to the open side. A pyrolysis support arc-shaped plate (23) extending in parallel to the axis of the sludge pyrolysis cylinder shell (21) is fixed on the inner side of the sludge pyrolysis cylinder shell (21); and a plurality of electromagnetic induction heaters (231) are fixed on the top of the pyrolysis support arc-shaped plate (23). A hollow oil-gas separation discharge shell (24) is fixed above the sludge pyrolysis cylinder shell (21) in the sludge pyrolysis support shell (201); a plurality of oil-gas separation flow-through holes (240) are arranged on the lower side of the oil-gas separation discharge shell (24) and communicated with the inside of the oil-gas separation discharge shell (24); and an oil-gas separation discharge pipe (241) is fixed on the top of the oil-gas separation discharge shell (24) and communicated with the inside of the oil-gas separation discharge shell (24). The sludge pyrolysis cylinder shell (21) is provided with a sludge pyrolysis recovery scraper (25) on the side away from the pyrolysis collection input shell (22), the sludge pyrolysis recovery scraper (25) comprises a recovery scraper main body (251) and a recovery scraper knife edge (252), and the recovery scraper knife edge (252) is in top pressing contact with the outer side of the sludge pyrolysis cylinder shell (21); The recovery scraper main body (251) is arranged in extension along the axis direction of the sludge pyrolysis cylinder shell (21), and both ends of the recovery scraper main body (251) are fixedly connected with the inner side wall of the sludge pyrolysis support shell (201); The sludge pyrolysis support shell (201) is provided with a sludge recovery containing pool (253) with an opening upward below the sludge pyrolysis recovery scraper (25); The condensation recovery mechanism (30) comprises a condensation recovery containing tank (31), the condensation recovery containing tank (31) is fixedly provided with a condensation recovery flow pipe (32) extending in a vertical direction, the upper end of the condensation recovery flow pipe (32) is connected with the oil-gas separation exhaust pipe (241), and the bottom of the condensation recovery containing tank (31) is fixedly provided with a condensation recovery temporary storage shell (33) connected with the lower end of the condensation recovery flow pipe (32); The outer side of the condensation recovery containing tank (31) is fixedly provided with a main cooling liquid input pipe (311) and a main cooling liquid output pipe (312) connected with the inside thereof.

2. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 1, characterized in that, The input end of the sludge magnetization flow pipe (11) is connected with a screw extruder (14), and the output end of the screw extruder (14) is connected with the sludge magnetization flow pipe (11); The input end of the screw extruder (14) is connected with an oil-containing sludge storage box (102) through a sludge magnetization input pipe (101).

3. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 1, characterized in that, The output end of the sludge magnetization flow pipe (11) is connected with a magnetized sludge storage box (103), and the magnetized sludge storage box (103) is fixedly provided with a magnetized sludge delivery pump (104); The outer side of the pyrolysis collection input shell (22) is fixedly provided with a plurality of pyrolysis collection input pipes (220) connected with the inside thereof, and the output end of the magnetized sludge delivery pump (104) is connected with the pyrolysis collection input pipe (220).

4. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 1, characterized in that, The top of the pyrolysis collection input shell (22) is provided with a thickness control mechanism (26), and the thickness control mechanism (26) comprises a thickness control scraper (261) slidably connected to the top of the pyrolysis collection input shell (22); The sludge pyrolysis support shell (201) is fixedly provided with a back support plate (202) extending along the axis direction of the sludge pyrolysis cylinder shell (21), the back support plate (202) is fixedly provided with a thickness control fixed cylinder (262) extending along the radial direction of the sludge pyrolysis cylinder shell (21), the opening end of the thickness control fixed cylinder (262) faces the side of the sludge pyrolysis cylinder shell (21), the thickness control fixed cylinder (262) is slidably connected with a thickness control sliding cylinder (263) inside, and the thickness control scraper (261) is fixedly connected with the outer end of the thickness control sliding cylinder (263). The thin-thick control fixed cylinder (262) is internally provided with a thin-thick control driving rod (264) for driving the thin-thick control sliding cylinder (263) to move.

5. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 4, characterized in that, A texture control mechanism (27) is arranged above the thin-thick control scraper (261), the texture control mechanism (27) comprises a texture control scraper (271) which is slidingly connected to the top of the thin-thick control scraper (261), the back supporting plate (202) is fixed with a texture control fixed cylinder (272) which is arranged in parallel with the thin-thick control fixed cylinder (262), the opening end of the texture control fixed cylinder (272) faces one side of the sludge pyrolysis cylinder shell (21), a texture control sliding cylinder (273) is slidingly connected in the texture control fixed cylinder (272), and the texture control scraper (271) is fixedly connected to the outer end of the texture control sliding cylinder (273); The side edge of the texture control scraper (271) close to the sludge pyrolysis cylinder shell (21) is provided with a plurality of texture flow grooves (2710); The texture control fixed cylinder (272) is internally provided with a texture control driving rod (274) for driving the texture control sliding cylinder (273) to move.

6. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 3, characterized in that, An upwardly-open sludge preheating temporary storage pool (28) is arranged in the sludge pyrolysis supporting shell (201) below the sludge pyrolysis cylinder shell (21); A preheating sludge conveying pump (281) is arranged in the sludge preheating temporary storage pool (28), and the output end of the preheating sludge conveying pump (281) is connected in communication with the pyrolysis collection input pipe (220) through a pipeline; The output end of the magnetized sludge conveying pump (104) is connected in communication with the sludge preheating temporary storage pool (28); The sludge preheating temporary storage pool (28) is internally provided with a preheating sludge scraper (282), the preheating sludge scraper (282) comprises a preheating scraper main body (2821) and a preheating scraper knife edge (2822), the preheating scraper knife edge (2822) is in top pressure contact with the outer side of the sludge pyrolysis cylinder shell (21), the preheating scraper main body (2821) extends and is arranged along the axis direction parallel to the sludge pyrolysis cylinder shell (21), and the end of the preheating scraper main body (2821) is fixedly connected to the inner side wall of the sludge preheating temporary storage pool (28).

7. The system for magnetized-pyrolysis treatment of oil-containing sludge according to claim 1, characterized in that, The condensation recovery containing tank (31) is internally provided with a heat exchange circulating mechanism (34), the heat exchange circulating mechanism (34) comprises a circulating driving cylinder shell (341) which is arranged in the condensation recovery containing tank (31) and has an opening facing upwards, and a plurality of circulating driving plates (342) are fixed to the outer side wall of the circulating driving cylinder shell (341); The ring flow driving cylinder shell (341) is fixed with a ring flow driving shaft (343) extending in the vertical direction at the bottom, the condensate recovery containing tank (31) is fixed with a ring flow driving containing shell (344) at the bottom, the lower end of the ring flow driving shaft (343) extends to the inside of the ring flow driving containing shell (344), and the ring flow driving containing shell (344) is internally provided with a ring flow driving motor (345) for driving the ring flow driving shaft (343) to rotate; The condensate recovery containing tank (31) is fixed with an inner ring cooling input pipe (346) and an inner ring cooling output pipe (347) extending in the vertical direction at the top, and the lower ends of the inner ring cooling input pipe (346) and the inner ring cooling output pipe (347) extend to the inside of the ring flow driving cylinder shell (341).

8. A method for magnetized pyrolysis treatment of oily sludge, based on the magnetized pyrolysis treatment system for oily sludge treatment according to any one of claims 1-7, characterized in that, The method comprises the following steps: S1, oil-containing sludge magnetization treatment: The oil-containing sludge to be treated is conveyed into the sludge magnetization flow pipe (11), and the oil-containing sludge flows in the sludge magnetization flow pipe (11) at a flow rate of 0.3-0.6 m / min; The oil-containing sludge is magnetized by the plurality of arrayed sludge magnetization permanent magnets (13) under the condition that the magnetic field strength is 6000 Gauss, and the magnetization treatment time is 5-10 min; S2, oil-containing sludge pyrolysis: The oil-containing sludge after magnetization treatment is conveyed into the pyrolysis collection input shell (22), and then the sludge pyrolysis cylinder shell (21) is driven to rotate in the counterclockwise direction by the gear ring transmission structure of the servo motor fixed on the inner side wall of the sludge pyrolysis support shell (201); The oil-containing sludge in the pyrolysis collection input shell (22) is discharged from the sludge laying output slot (221) and coated on the outer surface of the sludge pyrolysis cylinder shell (21), and the oil-containing sludge continues to rotate with the sludge pyrolysis cylinder shell (21) and passes through the electromagnetic induction heater (231), each electromagnetic induction heater (231) heats the sludge pyrolysis cylinder shell (21) by electromagnetic induction heating; The heating temperature of the sludge pyrolysis cylinder shell (21) is 500℃, and the oil-containing sludge coated on the outer surface of the sludge pyrolysis cylinder shell (21) is pyrolyzed on the sludge pyrolysis cylinder shell (21) for 60-90 min; The oil gas separation and discharge pipe (241) is provided with a fan, and the input end of the fan is in communication with the oil gas separation and discharge pipe (241), under the suction action of the fan, the oil gas generated by the oil-containing sludge pyrolysis enters the oil gas separation and discharge shell (24) through the oil gas separation flow-through hole (240), and is then discharged through the oil gas separation and discharge pipe (241); S3, oil gas condensation recovery treatment: The oil gas discharged from the oil gas separation and discharge pipe (241) enters from the upper end of the condensate recovery flow-through pipe (32), and the oil gas flows from top to bottom in the condensate recovery flow-through pipe (32), the condensate recovery containing tank (31) is provided with cooling water, and the oil gas in the condensate recovery flow-through pipe (32) is liquefied by heat exchange; The liquefied oil gas is discharged from the lower end of the condensate recovery flow-through pipe (32) and flows into the condensate recovery temporary storage shell (33) for temporary storage.

Images