Reduction treatment system for oily sludge

Abstract

The utility model discloses a reduction treatment system for oily sludge, and relates to the technical field of oily sludge treatment, an outlet of a feeding module is connected with an inlet of a conditioning module through a pipeline, and an outlet of the conditioning module is respectively connected with an inlet of a liquid-liquid separation module and an inlet of a solid-liquid separation module through pipelines; the liquid-liquid separation module adopts centrifugal separation, a residue water pump outlet of the liquid-liquid separation module is connected with an inlet of the solid-liquid separation module through a pipeline, an oil residue outlet of the liquid-liquid separation module is connected with an inlet of the conditioning module and the outside through pipelines, and a water pump outlet of the solid-liquid separation module is connected with the inlet of the conditioning module and the outside through pipelines. An oil pump outlet of the solid-liquid separation module is respectively connected with an inlet of the tempering module and the outside through pipelines, a solid phase outlet of the solid-liquid separation module is connected with the outside through pipelines, and valves are arranged on the pipelines. According to the utility model, the recycled oil does not contain a flocculating agent component, so that the equipment is not influenced during recycling.

Description

Technical Field

[0001] The utility model relates to the technical field of oily sludge treatment, in particular to a system for reducing and treating oily sludge. Background Art

[0002] The general process flow of oily sludge reduction treatment is material homogenization, adding chemicals and stirring to enter solid-liquid separation, and the liquid phase enters the disc centrifuge for separation. After final separation, the solid phase is transported out, the water phase enters the sewage treatment unit, and the oil phase can be recycled.

[0003] This technology requires the addition of flocculants and other chemicals in the solid-liquid treatment process, which seriously affects the quality of the subsequent recovered oil. The oil is corrosive to the refining equipment when it is recycled. In addition, this technology is affected by the material requirements of the disc centrifuge and cannot achieve high concentration before entering this link. Utility Model Content

[0004] The purpose of the utility model is to provide a system for reducing the volume of oily sludge to solve the problems of the prior art, so that the recovered oil does not contain flocculant components, and thus will not affect the equipment during recycling.

[0005] To achieve the above purpose, the present invention provides the following solutions:

[0006] The utility model provides a reduction treatment system for oily sludge, comprising a feeding module, a tempering module, a liquid-liquid separation module, a solid-liquid separation module and an oil-water separation module, wherein the outlet of the feeding module is connected to the inlet of the tempering module through a pipeline, the outlet of the tempering module is respectively connected to the inlet of the liquid-liquid separation module and the inlet of the solid-liquid separation module through pipelines, the liquid-liquid separation module adopts centrifugal separation, the slag water pump outlet of the liquid-liquid separation module is connected to the inlet of the solid-liquid separation module through a pipeline, the oil residue outlet of the liquid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines, the water pump outlet of the solid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines, the oil pump outlet of the solid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines, the solid phase outlet of the solid-liquid separation module is connected to the outside world through pipelines, and valves are provided on each pipeline.

[0007] Preferably, the feeding module includes a raw material tank, a filter and a feeding rotor pump, the outlet of the raw material tank is connected to the inlet of the conditioning module through a pipeline, and the filter and the feeding rotor pump are both installed on the pipeline between the raw material tank and the conditioning module, the filter is arranged close to the raw material tank, and the feeding rotor pump is arranged close to the conditioning module.

[0008] Preferably, the tempering module includes a tempering tank, a tempering control cabinet, and a tempering mixer, a heating coil, a liquid level meter and a thermometer electrically connected to the tempering control cabinet. The inlet of the tempering tank is connected to the outlet of the feeding module through a pipeline. The output end of the tempering mixer, the heating end of the heating coil, the detection end of the liquid level meter and the detection end of the thermometer are all located in the tempering tank. The tempering tank is also provided with a reagent inlet, an exhaust port, a steam inlet and a condensed water outlet.

[0009] Preferably, there are two tempering modules.

[0010] Preferably, the liquid-liquid separation module includes a slag-water chamber, an oil chamber, a liquid-liquid control cabinet, and a liquid-liquid centrifuge, a liquid-liquid mixer and a dosing device electrically connected to the liquid-liquid control cabinet, the inlet of the liquid-liquid centrifuge is connected to the outlet of the conditioning module, and a liquid-liquid rotor pump is provided between the liquid-liquid centrifuge and the conditioning module, the liquid-liquid centrifuge is used to centrifuge the raw material and separate the oil phase and the slag-water phase, the slag-water chamber is used to store the separated slag-water phase, the oil chamber is used to store the separated oil phase, the dosing device is connected to the slag-water chamber and is used to dope the slag-water phase, the liquid-liquid mixer is used to stir the slag-water phase after doping, the outlet of the slag-water chamber is connected to the inlet of the solid-liquid separation module, the outlet of the oil chamber can be connected to the inlet of the conditioning module through a pipeline, and the unqualified oil phase is guided back into the conditioning module, the outlet of the oil chamber is also connected to the outside through a pipeline, and the qualified oil phase is discharged; the liquid-liquid centrifuge is also provided with a power air inlet, a steam inlet, a condensed water outlet and an exhaust port.

[0011] Preferably, the solid-liquid separation module includes a solid-liquid control cabinet, and a solid-liquid centrifuge, an automatic pharmaceutical dosing device and a shaftless screw conveyor electrically connected to the solid-liquid control cabinet. The automatic pharmaceutical dosing device is used to add medicine to the slag-water phase in the solid-liquid centrifuge. The inlet of the solid-liquid centrifuge is respectively connected to the outlet of the tempering module and the outlet of the liquid-liquid separation module, and a solid-liquid rotor pump is provided between the solid-liquid centrifuge and the tempering module, as well as between the solid-liquid centrifuge and the liquid-liquid separation module. The solid-liquid centrifuge is used to centrifugally separate the slag-water phase to form a solid phase and a liquid phase, and the shaftless screw conveyor is used to discharge the solid phase, and the liquid phase is used to enter the oil-water separation module.

[0012] Preferably, the oil-water separation module includes an oil-water control cabinet, and an oil-water separator, an external water drainage pump and an external oil drainage pump electrically connected to the oil-water control cabinet, the inlet of the oil-water separator is connected to the outlet of the solid-liquid separation module, and is used to receive the liquid phase separated by the solid-liquid separation module, the oil-water separator is used to naturally separate the water and oil in the oil phase under the action of gravity, and make the water in the lower layer and the oil in the upper layer, the oil-water separation module also includes a water chamber connected to the external water drainage pump and an oil chamber connected to the external oil drainage pump, the water chamber is used to receive the separated water and discharge the water under the action of the external water drainage pump, and the water chamber can also be used to guide the water back into the conditioning module under the action of the external water drainage pump, the oil chamber is used to receive the separated oil and discharge the qualified oil under the action of the external oil drainage pump, and the oil chamber can also be used to guide the unqualified oil back into the conditioning module under the action of the external oil drainage pump.

[0013] Preferably, the solid-liquid separation module and the oil-water separation module are integrated into one device, and the solid-liquid separation module is located above the oil-water separation module.

[0014] Compared with the prior art, the utility model has achieved the following technical effects:

[0015] The utility model provides a reduction treatment system for oily sludge, in which the outlet of the feeding module is connected to the inlet of the tempering module through a pipeline, so that the raw materials are introduced into the tempering module through the feeding module, and then the raw materials are heated, tempered evenly and thermochemically cleaned in the tempering module, so as to facilitate subsequent three-phase separation. The outlet of the tempering module is connected to the inlet of the liquid-liquid separation module and the inlet of the solid-liquid separation module through pipelines. Whether the tempered raw materials should be subjected to liquid-liquid separation can be selected according to actual process needs. For some processes, liquid-liquid separation can be omitted and solid-liquid separation can be directly performed. For other processes, oil removal by liquid-liquid separation is required first, and then solid-liquid separation is performed. The slag water pump outlet of the liquid-liquid separation module is connected to the inlet of the solid-liquid separation module through a pipeline, so that the separated slag water is passed into the solid-liquid separation module for solid-liquid separation. The oil residue outlet of the liquid-liquid separation module is connected to the inlet of the tempering module and the outside through pipelines, and then the oil residue is exported. Qualified oil is discharged, and unqualified oil is returned to the conditioning module, and the above process flow is repeated. The water pump outlet of the solid-liquid separation module is connected to the inlet of the conditioning module and the outside through pipelines, and then the water out of the water pump outlet is discharged, or passed into the conditioning module for use. The oil pump outlet of the solid-liquid separation module is connected to the inlet of the conditioning module and the outside through pipelines, and then the qualified oil out of the oil pump outlet is discharged, and the unqualified oil is returned to the conditioning module, and the above process flow is repeated. The solid phase outlet of the solid-liquid separation module is connected to the outside through a pipeline to realize the discharge of the solid phase. Valves are provided on each pipeline, and the closure of each valve can be controlled according to actual needs to realize the controllability of the entire process flow; the liquid-liquid separation module uses high-speed centrifugation to separate the two phases, which has low material requirements and a wide range of material adaptability. Its advantages are far greater than the material requirements of the three-phase centrifuge. At the same time, it can also achieve that the recovered oil does not contain flocculant components, which will not cause its recycling to affect the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 Schematic diagram of the structure of the tempering module in Example 1;

[0018] Figure 2 Schematic diagram of the structure of the liquid-liquid separation module in Example 1;

[0019] Figure 3 Schematic diagram of the structure of the solid-liquid separation module and the oil-water separation module in Example 1;

[0020] Figure 4 This is a process flow chart of the oily sludge reduction treatment process in Example 2;

[0021] In the figure: 1-raw material tank, 2-filter, 3-feeding rotor pump, 4-conditioning tank, 5-liquid-liquid tank, 6-liquid-liquid rotor pump, 7-slag water pump, 8-oil residue outlet, 9-solid-liquid tank, 10-clean water tank, 11-oil pump, 12-water pump, 13-solid phase outlet, 14-solid-liquid rotor pump, 15-handle butterfly valve, 16-check valve, 17-ball valve, 18-conditioning control cabinet, 19-conditioning mixer, 20-liquid-liquid centrifuge, 21-liquid control cabinet, 22-solid-liquid mixer, 23-shaftless screw conveyor, 24-solid-liquid control cabinet, 25-solid-liquid centrifuge, 26-automatic pharmaceutical dosing device. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The purpose of the utility model is to provide a system for reducing the volume of oily sludge to solve the problems existing in the prior art, so that the recovered oil does not contain flocculant components, and thus will not affect the equipment during recycling.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] Example 1

[0026] like Figures 1-4As shown, this embodiment provides a reduction treatment system for oily sludge, including a feeding module, a tempering module, a liquid-liquid separation module, a solid-liquid separation module and an oil-water separation module. The outlet of the feeding module is connected to the inlet of the tempering module through a pipeline, so that the raw material is introduced into the tempering module through the feeding module, and then the raw material is heated, tempered evenly and thermochemically cleaned in the tempering module, so as to facilitate subsequent three-phase separation. The outlet of the tempering module is connected to the inlet of the liquid-liquid separation module and the inlet of the solid-liquid separation module through pipelines. Whether the tempered raw material should be liquid-liquid separated can be selected according to actual process requirements. For some processes, liquid-liquid separation can be omitted and solid-liquid separation can be performed directly. For other processes, oil removal is required first through liquid-liquid separation, and then solid-liquid separation is performed. The outlet of the slag water pump 7 of the liquid-liquid separation module is connected to the inlet of the solid-liquid separation module through a pipeline, so that the separated slag water is passed into the solid-liquid separation module for solid-liquid separation. The oil residue outlet 8 of the liquid-liquid separation module is connected to the inlet of the tempering module through pipelines. and the outside world, and then discharge the qualified oil coming out of the oil residue outlet 8, and return the unqualified oil to the conditioning module, and repeat the above process flow. The water pump 12 outlet of the solid-liquid separation module is connected to the inlet of the conditioning module and the outside world through pipelines, and then discharge the water coming out of the water pump 12 outlet, or pass it into the conditioning module for use. The oil pump 11 outlet of the solid-liquid separation module is connected to the inlet of the conditioning module and the outside world through pipelines, and then discharge the qualified oil coming out of the oil pump 11 outlet, and return the unqualified oil to the conditioning module, and repeat the above process flow. The solid phase outlet 13 of the solid-liquid separation module is connected to the outside world through a pipeline to realize the discharge of the solid phase. Valves are provided on each pipeline, and the closing of each valve can be controlled according to actual needs to realize the controllable whole process flow. The liquid-liquid separation module uses high-speed centrifugation to separate the two phases, which has low material requirements and a wide range of material adaptability. Its advantages are far greater than the material requirements of the three-phase centrifuge. At the same time, it can also realize that the recovered oil does not contain flocculant components, which will not cause its recycling to affect the equipment.

[0027] Specifically, the feeding module includes a raw material tank 1, a filter 2, and a feeding rotor pump 3. The outlet of the raw material tank 1 is connected to the inlet of the conditioning module via a pipeline, and is used to pass the raw material in the raw material tank 1 into the conditioning module. The filter 2 and the feeding rotor pump 3 are both installed in the pipeline between the raw material tank 1 and the conditioning module. The filter 2 is placed near the raw material tank 1, and the feeding rotor pump 3 is placed near the conditioning module. The filter 2 filters the raw material discharged from the raw material tank 1, preventing impurities in the raw material from clogging and damaging the feeding rotor pump 3 when the feeding rotor pump 3 is used to extract the raw material. Handle butterfly valves 15 are installed on the pipelines between the raw material tank 1 and the filter 2, and between the filter 2 and the feeding rotor pump 3.

[0028] The tempering module includes a tempering tank 4, a tempering control cabinet 18, and a tempering mixer 19 electrically connected to the tempering control cabinet 18, a heating coil, a liquid level meter, and a thermometer. The tempering control cabinet 18 controls all electrical components. The inlet of the tempering tank 4 is connected to the outlet of the loading module via a pipeline. The tempering tank 4 is used for heating and tempering the raw materials. The output of the tempering mixer 19, the heating end of the heating coil, the detection end of the liquid level meter, and the detection end of the thermometer are all located within the tempering tank 4, thereby enabling raw material mixing, heating, liquid level detection, and temperature monitoring. The tempering tank 4 is also equipped with a reagent inlet, an exhaust port, a steam inlet, and a condensate outlet to allow for the addition or removal of substances as needed. A check valve 16 is installed on the pipeline corresponding to the reagent inlet of the tempering tank 4. All other valves, except the check valve 16 and the handle butterfly valve 15, are ball valves 17.

[0029] There are two tempering modules, preferably two tempering tanks 4, which are used alternately to achieve continuous production and improve production efficiency.

[0030] The liquid-liquid separation module includes a slag-water chamber, an oil chamber, a liquid-liquid control cabinet 21, and a liquid-liquid centrifuge 20, a liquid-liquid mixer and a dosing device electrically connected to the liquid-liquid control cabinet 21. The liquid-liquid separation module is responsible for removing oil from the raw material, and then separating the oil phase and the slag-water phase through the strong centrifugal force of the liquid-liquid centrifuge 20; the inlet of the liquid-liquid centrifuge 20 is connected to the outlet of the conditioning module, and a liquid-liquid rotor pump 6 is provided between the liquid-liquid centrifuge 20 and the conditioning module. The liquid-liquid centrifuge 20 is used to centrifuge the raw material and separate the oil phase and the slag-water phase, and the slag-water chamber is used to store the separated slag-water phase, the oil chamber is used to store the separated oil phase, and the dosing device is connected to the outlet of the conditioning module. The slag-water chamber is connected to the slag-water phase and is used to add chemicals to the slag-water phase. The liquid-liquid mixer is used to stir the slag-water phase after the addition of chemicals. The outlet of the slag-water chamber is connected to the inlet of the solid-liquid separation module, allowing the separated slag-water phase to enter the solid-liquid separation module after addition and stirring. The outlet of the oil chamber is connected to the inlet of the conditioning module via a pipeline, and the unqualified oil phase is returned to the conditioning module. The outlet of the oil chamber is also connected to the outside world via a pipeline, and the qualified oil phase is discharged. The qualified oil phase meets the owner's specifications and does not contain new pharmaceutical components, which will not affect subsequent use. The liquid-liquid centrifuge 20 is also equipped with a power air inlet, a steam inlet, a condensate outlet, and an exhaust port. The liquid-liquid separation module also includes a liquid-liquid tank 5, which can serve as a raw material storage unit to store the conditioned raw materials for subsequent centrifugation.

[0031] The solid-liquid separation module includes a solid-liquid control cabinet 24, a solid-liquid centrifuge 25 electrically connected to the solid-liquid control cabinet 24, an automatic pharmaceutical dosing device 26, and a shaftless screw conveyor 23. The solid-liquid control cabinet 24 automatically controls each electrical component to improve efficiency. The automatic pharmaceutical dosing device 26 is used to add drugs to the slag-water phase in the solid-liquid centrifuge 25. The inlet of the solid-liquid centrifuge 25 is connected to the outlet of the conditioning module and the outlet of the liquid-liquid separation module respectively. A solid-liquid rotor pump 14 is provided between the solid-liquid centrifuge 25 and the conditioning module, as well as between the solid-liquid centrifuge 25 and the liquid-liquid separation module. The solid-liquid centrifuge 25 is used to centrifuge the slag-water phase to form a solid phase and a liquid phase, and the shaftless screw conveyor 23 is used to discharge the solid phase. The liquid phase is used to enter the oil-water separation module for further oil-water separation to improve the separation effect. The solid-liquid separation module also includes a solid-liquid tank 9, which can be used as a raw material storage unit to store the slag-water phase after liquid-liquid separation for subsequent centrifugation. A solid-liquid mixer 22 is also provided in the solid-liquid separation module for stirring the slag-water phase.

[0032] The oil-water separation module includes an oil-water control cabinet, and an oil-water separator, an external water pump 12 and an external oil pump 11 electrically connected to the oil-water control cabinet. The oil-water control cabinet automatically controls each electrical component to improve efficiency. The inlet of the oil-water separator is connected to the outlet of the solid-liquid separation module and is used to receive the liquid phase separated by the solid-liquid separation module. The oil-water separator is used to naturally separate the water and a small amount of oil in the oil phase under the action of gravity, and to make the water in the lower layer and the oil in the upper layer. The oil-water separation module also includes a water chamber connected to the external water pump 12 and an oil chamber connected to the external oil pump 11. The oil-water interface separation can be achieved by adjusting the height of the water chamber outlet. The water chamber is used to receive the separated water and discharge the water under the action of the external water pump 12. The water chamber can also guide the water back to the conditioning module under the action of the external water pump 12. The oil chamber is used to receive the separated oil and discharge the qualified oil under the action of the external oil pump 11. The oil chamber can also guide the unqualified oil back to the conditioning module under the action of the external oil pump 11.

[0033] The solid-liquid separation module and the oil-water separation module are integrated into one device, and the solid-liquid separation module is located above the oil-water separation module. A clean water tank 10 is also provided in the device.

[0034] In this embodiment, there are no special requirements for the location of the equipment, as long as it is easy to operate. The liquid-liquid separation module is in the middle link between conditioning and solid-liquid separation, so that pure physical separation without adding chemicals can be achieved, ensuring the quality of the recovered oil.

[0035] Example 2

[0036] like Figure 4 As shown, this embodiment provides a process for reducing the amount of oily sludge, using the system for reducing the amount of oily sludge in Example 1, including the following steps:

[0037] S1 feeding, the raw material output of the raw material tank 1 is filtered through the filter 2, the filtered raw material is delivered to the conditioning module by the feeding rotor pump 3 to achieve the delivery of raw materials;

[0038] S2. Tempering, through the tempering module, the raw materials are heated, stirred, tempered and thermochemically cleaned, and two tempering modules are used alternately to achieve continuous production and improve production efficiency;

[0039] S3. Liquid-liquid separation: The raw material is centrifuged in a liquid-liquid centrifuge 20 to separate the oil phase and the slag-water phase. The oil phase enters the oil chamber, and the slag-water phase enters the slag-water chamber. A dosing device is used to add chemicals to the slag-water chamber, and the slag-water phase in the slag-water chamber is stirred by a liquid-liquid mixer. The slag-water phase is then passed to a solid-liquid separation module. The oil phase discharged from the oil chamber is tested. If the discharged oil phase is qualified, it is discharged. If the discharged oil phase is unqualified, it is passed to a conditioning module, thereby ensuring that purified oil is finally separated and meets the owner's specifications. The generated waste gas can be passed to the VOC system.

[0040] S4. Solid-liquid separation: the automatic pharmaceutical dosing device 26 is used to add drugs to the solid-liquid centrifuge 25, and then the slag-water phase is centrifuged in the solid-liquid centrifuge 25 to separate the solid and liquid phases. The solid phase is discharged through the shaftless screw conveyor 23, and the liquid phase is used to enter the oil-water separation module. The generated waste gas can be passed to the VOC system;

[0041] S5. Oil-water separation: The oil and water in the liquid phase are naturally separated by the oil-water separator, with the water in the upper layer and the oil in the lower layer under the action of gravity. After the separation is completed, the water is passed into the water chamber and used for external discharge or entering the conditioning module. After the oil is tested, the qualified oil is discharged, and the unqualified oil is passed into the conditioning module under the action of the external oil pump 11, thereby finally achieving the three-phase separation of the raw materials.

[0042] Specifically, in S2, a heating coil is used to heat the raw materials in the tempering tank 4, and an external agent is used to perform thermochemical cleaning on the raw materials. A tempering mixer 19 is used to stir the raw materials in the tempering tank 4 to make them evenly tempered, thereby meeting the three subsequent separation requirements. The waste gas generated can be introduced into the VOC system.

[0043] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A system for reducing the volume of oily sludge, characterized by: It includes a feeding module, a tempering module, a liquid-liquid separation module, a solid-liquid separation module and an oil-water separation module. The outlet of the feeding module is connected to the inlet of the tempering module through a pipeline. The outlet of the tempering module is respectively connected to the inlet of the liquid-liquid separation module and the inlet of the solid-liquid separation module through pipelines. The liquid-liquid separation module adopts centrifugal separation. The slag water pump outlet of the liquid-liquid separation module is connected to the inlet of the solid-liquid separation module through a pipeline. The oil residue outlet of the liquid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines. The water pump outlet of the solid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines. The oil pump outlet of the solid-liquid separation module is respectively connected to the inlet of the tempering module and the outside world through pipelines. The solid phase outlet of the solid-liquid separation module is connected to the outside world through a pipeline. Valves are provided on each pipeline.

2. The oily sludge reduction treatment system according to claim 1, characterized in that: The feeding module includes a raw material tank, a filter and a feeding rotor pump. The outlet of the raw material tank is connected to the inlet of the conditioning module through a pipeline, and the filter and the feeding rotor pump are both installed on the pipeline between the raw material tank and the conditioning module. The filter is arranged close to the raw material tank, and the feeding rotor pump is arranged close to the conditioning module.

3. The oily sludge reduction treatment system according to claim 1, characterized in that: The tempering module includes a tempering tank, a tempering control cabinet, and a tempering mixer, a heating coil, a liquid level meter, and a thermometer electrically connected to the tempering control cabinet. The inlet of the tempering tank is connected to the outlet of the feeding module through a pipeline. The output end of the tempering mixer, the heating end of the heating coil, the detection end of the liquid level meter, and the detection end of the thermometer are all located in the tempering tank. The tempering tank is also provided with a reagent inlet, an exhaust port, a steam inlet, and a condensed water outlet.

4. The oily sludge reduction treatment system according to claim 1, characterized in that: There are two tempering modules.

5. The oily sludge reduction treatment system according to claim 1, characterized in that: The liquid-liquid separation module includes a slag-water chamber, an oil chamber, a liquid-liquid control cabinet, and a liquid-liquid centrifuge, a liquid-liquid mixer, and a dosing device electrically connected to the liquid-liquid control cabinet. The inlet of the liquid-liquid centrifuge is connected to the outlet of the conditioning module, and a liquid-liquid rotor pump is provided between the liquid-liquid centrifuge and the conditioning module. The liquid-liquid centrifuge is used to centrifuge the raw material and separate the oil phase and the slag-water phase. The slag-water chamber is used to store the separated slag-water phase, and the oil chamber is used to store the separated oil phase. The dosing device is connected to the slag-water chamber and is used to add drugs to the slag-water phase. The liquid-liquid mixer is used to stir the slag-water phase after the addition of drugs. The outlet of the slag-water chamber is connected to the inlet of the solid-liquid separation module. The outlet of the oil chamber can be connected to the inlet of the conditioning module through a pipeline to guide the unqualified oil phase back to the conditioning module. The outlet of the oil chamber is also connected to the outside through a pipeline to discharge the qualified oil phase. The liquid-liquid centrifuge is also provided with a power air inlet, a steam inlet, a condensate outlet, and an exhaust port.

6. The oily sludge reduction treatment system according to claim 1, characterized in that: The solid-liquid separation module includes a solid-liquid control cabinet, and a solid-liquid centrifuge, an automatic pharmaceutical dosing device and a shaftless screw conveyor electrically connected to the solid-liquid control cabinet. The automatic pharmaceutical dosing device is used to add medicine to the slag-water phase in the solid-liquid centrifuge. The inlet of the solid-liquid centrifuge is respectively connected to the outlet of the tempering module and the outlet of the liquid-liquid separation module, and a solid-liquid rotor pump is provided between the solid-liquid centrifuge and the tempering module, as well as between the solid-liquid centrifuge and the liquid-liquid separation module. The solid-liquid centrifuge is used to centrifugally separate the slag-water phase to form a solid phase and a liquid phase, and the shaftless screw conveyor is used to discharge the solid phase, and the liquid phase is used to enter the oil-water separation module.

7. The oily sludge reduction treatment system according to claim 1, characterized in that: The oil-water separation module includes an oil-water control cabinet, and an oil-water separator, an external water drainage pump and an external oil drainage pump electrically connected to the oil-water control cabinet. The inlet of the oil-water separator is connected to the outlet of the solid-liquid separation module and is used to receive the liquid phase separated by the solid-liquid separation module. The oil-water separator is used to naturally separate the water and oil in the oil phase under the action of gravity, and to make the water in the lower layer and the oil in the upper layer. The oil-water separation module also includes a water chamber connected to the external water drainage pump and an oil chamber connected to the external oil drainage pump. The water chamber is used to receive the separated water and discharge the water under the action of the external water drainage pump, and the water chamber can also be used to guide the water back into the conditioning module under the action of the external water drainage pump. The oil chamber is used to receive the separated oil and discharge the qualified oil under the action of the external oil drainage pump. The oil chamber can also be used to guide the unqualified oil back into the conditioning module under the action of the external oil drainage pump.

8. The oily sludge reduction treatment system according to claim 1, characterized in that: The solid-liquid separation module and the oil-water separation module are integrated into one device, and the solid-liquid separation module is located above the oil-water separation module.

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