465 results about "Oil sludge" patented technology

The invention discloses an oil sludge slurry wastewater multi-stage treatment device and method, and relates to the related technical field of sludge and sewage treatment.The oil sludge slurry wastewater multi-stage treatment device comprises a solid-liquid separation box and a drying box, a solid-liquid separation mechanism is installed in the solid-liquid separation box, a drying mechanism is installed on the drying box, and the solid-liquid separation mechanism is connected with the drying box. A top plate is fixed to the drying box, a compaction box is fixed to the top plate, the compaction box is conical, the compaction box communicates with the drying box through an extrusion groove, an extrusion mechanism is installed in the compaction box, and the solid-liquid separation box is connected with the compaction box through a conveying assembly; the constant screw pitch part and the decreasing screw pitch part of the spiral conveying blade are alternately matched, and the sludge is gradually dewatered from bottom to top by combining the containing effect of the pressing groove on the thin sludge and the accurate control of the material fixing baffle on the sludge amount; and the conical structure of the subsequent compaction box and the pressing block perform reciprocating extrusion to further extrude residual water, so that the water content of the sludge is greatly reduced.

The invention discloses a method for preparing a carbon monoxide normal-temperature oxidation catalyst by using electrolytic manganese residues and oil sludge, which comprises the following steps: uniformly mixing the oil sludge and the electrolytic manganese residues to obtain manganese oil sludge, uniformly stirring the manganese oil sludge and mixed halophilic desulfurizing bacteria, fermenting, and drying to constant weight to obtain fermented manganese oil sludge, the method comprises the following steps: carbonizing dry fermented manganese oil sludge to obtain a manganese carbide oil material, uniformly mixing the manganese carbide oil material with a blueberry extract to obtain a manganese carbide oil extract mixture, uniformly mixing and stirring the obtained manganese carbide oil extract mixture with a chloroplatinic acid solution, standing, filtering, washing, and drying to obtain the mixed halophilic desulfurizing bacteria. Drying to constant weight to obtain a platinum-doped carbonization extraction precursor, and finally roasting the platinum-doped carbonization extraction precursor to obtain the carbon monoxide oxidation catalyst. The composite catalyst with high specific surface area and multiple active sites is formed, and resource utilization of waste is achieved.

The invention relates to the technical field of oil sludge resource regeneration, and discloses a water oil sludge resource regeneration device based on a composite ultrasonic field and application. The device comprises an oil sludge parameter acquisition module, a resonant frequency analysis module, a sound field coupling control module, a phase shift interference analysis module and a separation strengthening execution module. The oil sludge parameter acquisition module acquires a rheological characteristic data set of the oil-containing sludge in real time; the resonance frequency analysis module generates a dual-target resonance frequency parameter based on the data set; the sound field coupling control module drives the piezoelectric transducer array to generate a focused ultrasonic field, and a sound field coupling model is constructed; the phase shift interference analysis module corrects the phase offset of the model and outputs a multi-band sound energy injection sequence; and the separation strengthening execution module regulates and controls the rotating speed gradient of the mechanical centrifugal unit, triggers membrane stack pulse backwashing, and finally generates regenerated base oil and a purified water phase product. According to the device, efficient regeneration of water-oil sludge resources is realized through cooperation of multiple modules.

The utility model provides a high-speed gear box capable of cooling quickly, which relates to the field of high-speed gear boxes, and comprises a box body assembly, the box body assembly comprises a lower shell, an upper shell and an oil injection port, the lower shell and the upper shell are combined to provide protection for a gear set, and the oil injection port is used for adding lubricating oil. A cooling assembly is arranged on the back face of the box body assembly and comprises a frame, a finned tube radiator and a fan, the finned tube radiator is used for cooling lubricating oil, and the fan is used for cooling the finned tube radiator; the cooling assembly, the circulating assembly and the filtering assembly are arranged, the lubricating oil can be filtered and cooled, the filtering assembly is used for filtering the lubricating oil, so that the finned tube radiator can be prevented from being blocked by oil sludge, and the lubricating oil can be cooled by the finned tube radiator; and the fan can cool the finned tube radiator, so that the cooling effect of the high-speed gearbox can be improved.

The invention relates to the field of oil field oil sludge treatment equipment, in particular to oil field oil sludge sand-water three-phase separation equipment, which comprises a pretreatment tank body, a rotary stirring shaft rotatably mounted in the tank body, a bottom bracket and a top bracket fixed on the shaft, and a plurality of stirring pipe sleeves with dosing holes arranged between the brackets; a chemical adding control system is further arranged and connected with the stirring shaft, the support and the stirring pipe sleeve, and the chemical adding position, the chemical adding speed and the hardening and tempering temperature can be cooperatively regulated and controlled through a normalization algorithm according to real-time data such as the oil sludge liquid level and the oil content; according to the invention, uniform diffusion and precise effect of liquid medicine are realized, demulsification and flocculation efficiency is maximized, consumption of the liquid medicine is obviously reduced, residual liquid medicine in a pipeline can be cleaned, long-term stable operation of equipment is guaranteed, a good foundation is laid for subsequent three-phase separation, and the overall treatment effect is improved.

The invention relates to the technical field of oil-containing waste treatment and resource utilization, in particular to a water-based oil sludge stripping-split-phase recycling integrated treatment method. According to the method, polyepoxysuccinic acid grafted quaternary ammonium salt chitosan is adopted as a stripping agent, and oil stains are stripped from a solid phase through ultrasonic treatment to form emulsion; the core of the method is that a temperature-sensitive response type flocculating agent, namely polyisopropylacrylamide grafted chitosan, is added during gradient heating, and the auxiliary agent is converted from hydrophilic to hydrophobic after being heated, so that efficient demulsification is realized, and oil-water-solid three-phase separation is promoted. Through the synergistic effect of the two assistants, the technical problem that the emulsion is stable and difficult to separate after stripping is solved, closed cycle of the treated water phase is realized, and high efficiency, environmental protection and economic benefits are achieved.

The application belongs to the field of oil and natural gas exploitation, and particularly relates to a low-density ceramic proppant and a preparation method thereof. The preparation method comprises the following steps: S1, high-temperature calcination of oil sludge dry residue for standby; S2, mixing of the high-temperature calcined oil sludge dry residue and titanium-containing blast furnace slag to obtain a mixture; S3, crushing and granulation of the mixture obtained in step S2, and then sintering in a rotary kiln, and then quenching in a cooling device to obtain the low-density ceramic proppant. The preparation method of the low-density ceramic proppant uses oil sludge dry residue and titanium-containing blast furnace slag as raw materials to prepare the low-density ceramic proppant without adding other materials, so that waste is reused, and the demand for bauxite resources for preparing the low-density ceramic proppant is reduced. In addition, the titanium-containing blast furnace slag is used to provide titanium as a condensation core for the formation of microcrystals, so that the crystallization time is shortened, and the sintering time required is greatly reduced, and the sintering cost is reduced.

The invention relates to the technical field of vehicle manufacturing, in particular to a clay model wheel eyebrow scriber, which comprises a main body component provided with an abutting surface used for abutting against a wheel opening of a clay model; the main body component is provided with a penetrating hole, the supporting piece is arranged in the penetrating hole in a penetrating mode, one end of the supporting piece is a connecting end, and the connecting end extends towards a wheel brow of the clay model; and the scribing disc is arranged at the connecting end. The clay model wheel brow scriber provided by the invention is simple in structure, convenient to operate and easy to manufacture, can conveniently perform scribing operation on a wheel brow of a clay model, and can accurately perform the scribing process according to a design track, so that the scribing efficiency is improved. And for clay models of different sizes and shapes, the position of the scribing disc relative to the main body component can be adjusted for adaptation, and the scribing precision and the operation convenience in the scribing operation process of the wheel brow of the clay model are remarkably improved.

This utility model relates to the field of wind power yaw technology and discloses a waste oil collection device for the maintenance of a wind turbine yaw system. The device includes a yaw main wheel and a track component. The track component includes a calibration plate with a fixing groove at the top. A fixing component is inserted into the inner wall of the fixing groove, and a snap-fit ​​component is fixed to the bottom of the inner wall of the fixing groove. A snap-fit ​​groove is formed at the bottom of the fixing component, and the inner wall of the snap-fit ​​groove is snap-fitted to the surface of the snap-fit ​​component. A sloping shovel is fixed to the side of the fixing component away from the calibration plate, and a backhoe is fixed to the side of the sloping shovel closer to the bottom of the calibration plate. This utility model secures the fixing component to the fixing groove of the calibration plate, ensuring that the bottom of the sloping shovel and the backhoe are tightly fitted to the top of the calibration plate. Thus, during the forward rotation of the yaw main wheel, the sludge on the inner wall of the yaw main wheel is scooped up by the sloping shovel, and the backhoe similarly scoops up the sludge during the reverse rotation. Workers only need to clean the sloping shovel and backhoe periodically.

The utility model discloses a kind of oil sludge scraping mechanisms of speed limiter rope wheel, including speed limiter base, the middle part of speed limiter base is connected with speed limiter rope wheel, switch beating plate is equipped with in the radial outer side of speed limiter rope wheel, steel wire rope is connected with in speed limiter rope wheel through wire rope groove, the side of speed limiter base is equipped with the first opening for steel wire rope to pass through, scraper blade is connected with on the speed limiter base outside the first opening, scraper blade and switch beating plate are mutually staggered and set along the circumference of speed limiter rope wheel, one side of scraper blade is connected with scraper, scraper is located between speed limiter rope wheel and switch beating plate along the radial of speed limiter rope wheel, the number of scraper is two and symmetrically set in the two side edges of wire rope groove, the end of scraper extends to the outside of speed limiter rope wheel and has gap between speed limiter rope wheel.The utility model has the characteristics of good cleaning effect, long service life.

The present invention provides a method for lubricating a combustion engine that is suitable for improving at least one of the following: deposits, sludge, oxidation, and wear. [Solution] A method for lubricating a combustion engine comprises lubricating the combustion engine with a lubricating oil composition, wherein the lubricating oil composition comprises a base oil having a lubricating viscosity having more than about 90 weight percent saturated material, less than about 0.03 weight percent sulfur, and more than about 50 weight percent hydrogenated mineral oil having a viscosity index of less than or equal to about 120; a detergent system having less than about 5 weight percent metal from a non-sulfonate detergent and (ii) a total base number (TBN) of a specific value, giving about 60 to about 85 percent of the total lubricating oil composition TBN; an anti-wear system comprising one or more zinc dihydrocarbyl dithiophosphate compounds; and an antioxidant system comprising one or more phenolic antioxidant compounds, one or more amine antioxidant compounds, or a combination thereof.

The invention discloses equipment and a method for separating and recycling metal Fe / Ni in oil sludge residues. According to the magnetic separation device, the magnetic separation roller, the transition roller, the spiral scraping plate, the main cylinder and the transition cylinder are arranged, and then the magnetic separation roller, the rotating cylinder and the spiral scraping plate are each provided with a rotatable structure, so that metal Fe / Ni on the magnetic separation roller can move in the axial direction during magnetic separation, impurities are conveniently discharged when the metal Fe / Ni moves in the axial direction, and secondary purification treatment is conducted through the transition cylinder; and the impurity content in the metal Fe / Ni aggregate on the magnetic separation roller is greatly reduced, so that the purity of the metal Fe / Ni after magnetic separation can be improved, and the investment cost of subsequent treatment is greatly reduced. According to the invention, the crushed particles are limited to be less than 70 microns, then the rotating speed of the rotating drum is controlled to be 25-32 revolutions per minute, the rotating speeds of the magnetic separation roller and the spiral scraper blade are controlled to be 35-42 revolutions per minute, and the air outlet quantity of the air outlet pipe is controlled to be 12-15 m / minute, so that the impurity content in the metal Fe / Ni subjected to magnetic separation is greatly reduced.

The invention discloses an oily sludge thermal desorption treatment system and a treatment process, the oily sludge thermal desorption treatment system comprises a tank body, the feeding end of the tank body is rotatably provided with a connecting sleeve, the oily sludge thermal desorption treatment system also comprises a feeding pipe, the feeding pipe is fixedly connected in the connecting sleeve, one end of the feeding pipe is sleeved with a material guide pipe, the material guide pipe is movably arranged on the feeding pipe, one end of the connecting sleeve is provided with a cleaning piece, and the cleaning piece is in transmission connection with the tank body. According to the device, the movement of the material guiding pipe is controlled through oil sludge in the feeding pipe, so that the material guiding pipe extends into the tank body along the feeding pipe, the oil sludge is extruded out in a strip shape through the discharging hole, the strip-shaped oil sludge extruded out of the material guiding pipe is broken through the cleaning piece, and the phenomenon that the oil sludge is accumulated at the feeding end of the tank body in a lump mode is reduced; the accumulated oil sludge is prevented from being coked on the inner wall of the high-temperature tank body, the material guide pipe is driven by the cleaning piece to rotate along the axis of the feeding pipe, the inner wall of the feeding pipe is cleaned through the arc-shaped strip fixedly connected in the material guide pipe, and the phenomenon that the feeding pipe is blocked due to the fact that the residual oil sludge is dried and caked in the feeding pipe is avoided.

The utility model relates to the technical field of oil sludge treatment, in particular to an in-tank oil sludge mechanical conveying device which comprises a tracked robot body and a conveying hose. An inclined support is fixedly arranged on the tracked robot body, a suction head is fixedly arranged at the end of the conveying hose, the other end of the conveying hose is connected with oil sludge suction equipment, a mounting table is fixedly arranged on the inclined support, and the suction head is arranged on the mounting table through a mounting assembly and an auxiliary assembly. A suction head is clamped into a mounting arc groove, so that an annular clamping groove is clamped with a fixing ring, a shifting rod is moved to drive a semi-ring limiting plate to movably clamp and limit the suction head in an annular sliding groove, then a positioning plate is moved to be clamped with the shifting rod, a rotating plate is rotated to be clamped into a limiting clamping groove, and then a knob bolt is rotated to enable an inserting column to be inserted into an inserting groove; stable installation of the suction head is guaranteed, operation is easy, auxiliary tools are not needed, the suction head can be rapidly disassembled and assembled to be arranged on the tracked robot, and the oil sludge pumping and conveying efficiency in the tank is improved.

The utility model relates to the technical field of speed reducers, in particular to a high-lubrication-keeping speed reducer which comprises a speed reducer shell, the interior of the speed reducer shell is divided into a first cavity and a second cavity, a connecting hole is formed between the first cavity and the second cavity, and a connecting cylinder is arranged in the first cavity. According to the speed reducer, the speed reducer shell is divided into the first cavity and the second cavity, so that lubricating oil can enter the first cavity to be collected when the speed reducer is not used for a long time, and the situation that normal use of parts is affected due to failure of the lubricating oil when the lubricating oil is soaked on the transmission parts for a long time is reduced; and if the storage time of the lubricating oil is still within the validity period, the lubricating oil can be continuously utilized and enters the second cavity, if the storage time is long, the lubricating oil fails or impurities such as oil sludge exist, the lubricating oil can be discharged and is not used any more, and therefore the purposes that the speed reducer is lubricated, and meanwhile internal transmission parts can be protected can be achieved.

The invention belongs to the technical field of detection instruments, and particularly relates to a steel wire rope fatigue monitoring device which comprises a detector body and a supporting suspension used for clamping and placing the detector body. The detector machine body comprises two groups of machine body units which are symmetrically arranged; the supporting suspension comprises a base, a rotating and swinging supporting plate rotationally connected to the base, and a regulating and controlling supporting plate, a clamping plate and an inner supporting plate which are sequentially and horizontally stacked on the rotating and swinging supporting plate. Wherein the machine body unit is detachably connected to the clamping plate in a clamped mode through a limiting mechanism, a rotating support is integrally formed in the center of the inner supporting plate, the clamping plate is fixedly connected to the rotating support in a sleeving mode, and a center ball head rotationally connected to the rotating support is integrally formed in the center of the adjusting and controlling supporting plate. The distance between the detection surface and the steel wire rope can be automatically adjusted in the detection process, the detection surface and the steel wire rope are always kept parallel, the steel wire rope is prevented from making contact with the detection surface, meanwhile, too thick oil sludge can be cleaned under the condition that the steel wire rope is not damaged, and the detection precision is improved.

The invention discloses a vacuum oil filter, and relates to the field of oil filters, the vacuum oil filter comprises a coarse filter barrel, and a filter plate I and a filter plate II which are symmetrically and movably arranged at the upper end in the coarse filter barrel, and the opposite side surfaces of the filter plate I and the filter plate II are both provided with scraping mechanisms; a transmission mechanism driving the scraping mechanism to operate penetrates through the middle of the scraping mechanism, and a motor providing driving force for the transmission mechanism is fixedly arranged at the top end of the transmission mechanism. A first rotating shaft is driven by a motor to rotate, a first sliding block and a second sliding block are driven to slide along a first guide groove and a second guide groove correspondingly, and a second sliding rod generates axial reciprocating motion and intermittent rotation; the scraping rod and the scraping block rotate to scrape oil sludge on the surfaces of the first filtering plate and the second filtering plate, impurities are sucked into the filtering box through a negative pressure channel formed by the fixing block, the cavity in the side wall of the scraping rod, the hose and the inner cavity of the roller, automatic cleaning and impurity transferring of the filtering plates are achieved, and blocking is effectively prevented.

The invention relates to the field of coking coke oven dust removal, in particular to a coke oven water seal tank drainage control system which is applied to a water seal tank, and a machine vision unit is used for identifying and judging whether a drainage branch pipe is blocked or not and the turbid state of water drained by the drainage branch pipe, and sending a judgment result and the turbid state to a main control unit; the main control unit is mounted below the water seal tank or in the power distribution room, and is used for receiving a signal of the machine vision unit and controlling the unblocking unit according to a judgment result and a turbid state; the production acquisition unit is arranged in the centralized control room and is used for acquiring coke discharging and coal charging plans of the coke oven and acquiring a target oven number of a coke oven vehicle; the vehicle-mounted control unit is installed in a coke oven vehicle distribution room and used for collecting vehicle information and transmitting the collected vehicle information to the main control unit through wireless communication. The unblocking unit utilizes high-pressure water to wash oil sludge of the water seal tank drainage branch pipe, and unblocking is achieved. Dynamic drainage can be realized according to dust settling time, drainage frequency is intelligently controlled, and the problem of coke powder deposition is effectively solved.

The invention relates to a high-pressure filter-pressing device and method for oil-sludge separation treatment, and belongs to the technical field of oil-sludge separation treatment and high-pressure filter-pressing dehydration, and the method comprises the following steps: S1, setting a tempering reaction unit, a high-pressure feeding unit and a diaphragm filter-pressing unit; s2, hardening and tempering are started, the change rate of the stirring resistance moment is monitored, and when the change rate of the stirring resistance moment crosses zero or is lower than a threshold value, flocculation is judged to be completed and stirring is stopped; s3, collecting pressure and flow velocity during feeding, and calculating a specific resistance coefficient to characterize the characteristics of a filter cake; and S4, after feeding is finished, controlling the squeezing mode according to the specific resistance coefficient, and executing differential squeezing to form a filter cake. According to the invention, the pure torsional moment in the stirring process can be accurately obtained, and the optimal rheological state of the locked material can be accurately obtained.

The application belongs to the technical field of metal heat treatment, and particularly relates to a continuous heat treatment device and method for a spinning pulley, which is aimed at the oxide scale carried on the workpiece which is easy to fall into the quenching liquid, and is mixed and suspended in the quenching liquid along with the sludge and colloid generated by the oxidation of the quenching oil, so as to cause the rapid accumulation of impurities in the quenching liquid, and thus frequent cleaning treatment of the quenching liquid is required, the heat treatment continuity is affected, and the workpiece heat treatment quality is affected. The following scheme is proposed, including a heat treatment frame. The continuous heat treatment device and method for the spinning pulley disclosed by the application have the effects of improving the heat treatment continuity and the workpiece heat treatment quality, the device can suck the quenching liquid in the sinking area of the workpiece in real time, so as to avoid the mixing and diffusion of the quenching liquid, thereby avoiding the rapid accumulation of impurities in the quenching liquid, and the sucked quenching liquid is rapidly treated and circulated, so as to ensure the long-time use performance of the quenching liquid.

The invention provides an automatic water cutting device for an oil storage tank, and particularly relates to the technical field of petrochemical engineering, the automatic water cutting device comprises a vertically arranged buffer cylinder I, the buffer cylinder I is connected with the oil storage tank through a suction assembly and an oil return assembly, and the inner side of the buffer cylinder I is separately connected with an oil-water separation assembly; each oil-water separation assembly comprises a filtering assembly arranged in the buffer cylinder I, a rotating structure connected with the filtering assembly and a lifting structure connected with the rotating structure, the lifting structure is movably arranged on the track assembly, and the multiple oil-water separation assemblies are arranged on the track assembly; and the oil content detection controllers are separately arranged in the oil storage tank. According to the automatic water cutting device for the oil storage tank, oil-water separation can be efficiently and rapidly achieved, deposition of impurities such as oil sludge and sand at the bottom of a dehydrator is avoided, dehydration is basically achieved in the oil storage tank, and the thorough oil return process is basically achieved in the dehydrator.

The invention discloses a steel rolling oil sludge deoiling method based on vacuum treatment, and belongs to the technical field of metallurgical industry solid waste treatment. The deoiling method comprises the steps that dried cold-rolled oil sludge and sintered return mine particles are stirred and mixed, pretreated oil sludge is obtained, and the component of sintered return mine comprises Fe3O4; mixing the pretreated oil sludge with an extraction agent, and then carrying out solid-liquid separation to obtain an oil-containing solvent on the upper layer and a deoiling solid-phase product on the lower layer; and carrying out vacuum distillation on a deoiled solid-phase product obtained by extraction to obtain finally treated oil sludge. According to the scheme, the cold-rolled oil sludge and the sintered return mine particles are stirred and mixed, and the separated grease can be recycled through a synergistic process of breaking agglomeration through impact and magnetic attraction, permeating a solvent and performing vacuum separation; meanwhile, the residual oil rate of the oil sludge and sintered return mine mixed solid phase obtained after vacuum distillation treatment is smaller than 1 wt.%, and deep deoiling is achieved.

The invention discloses a stainless steel rolling oil-sludge separation system and a use method thereof. The separation system comprises a buffer oil tank, a deposition tank group, a sludge tank, an oil-sludge storage tank, a stirrer and a centrifugal machine, an oil inlet of the deposition tank group is communicated with an oil outlet of the buffer oil tank, a sewage draining exit of the deposition tank group is used for delivering the oil sludge, and an oil outlet of the deposition tank group is communicated with the oil inlet of the buffer oil tank and is used for delivering oil; an oil inlet of the mud tank is communicated with a drain outlet of the deposition box group; an oil inlet of the oil sludge storage box is communicated with a drain outlet of the sludge tank and is used for storing oil sludge discharged by the sludge tank; the stirrer is arranged in the oil sludge storage box; an oil inlet of the centrifugal machine is communicated with an oil outlet of the oil sludge storage box, and an oil outlet of the centrifugal machine is communicated with an oil inlet of the oil sludge storage box and used for centrifugally separating the oil sludge; sludge separated by the centrifugal machine is discharged from a drain outlet of the centrifugal machine. Compared with the prior art, the structure is simple, and the oil content of separated oil residues is low.

The invention provides a fire coal and oil sludge mixing control method and system, and belongs to the technical field of oil sludge incineration, and the method comprises the steps: obtaining the historical data of the fire coal consumption rate of a boiler and the historical data of the oil sludge mixing amount, and building the relation between the fuel consumption rate of the boiler and the fire coal consumption rate and the oil sludge mixing amount of the boiler; monitoring data of the coal consumption rate and the oil sludge mixing amount at the current moment in real time, performing iterative optimization on the coal consumption rate and the oil sludge mixing amount until preset conditions are met, obtaining the optimized coal consumption rate and oil sludge mixing amount, and predicting the fuel consumption rate; and according to the optimized coal consumption rate and the oil sludge mixing amount, the oil sludge mixing amount at the preset moment and the coal mixing amount at the preset moment in the boiler are dynamically controlled. The system comprises a data acquisition module, a data processing module and a control module which are mutually connected. The coal consumption rate of the unit and the oil sludge mixing amount are monitored in real time and dynamically controlled, the oil sludge mixing amount is automatically adjusted, and the energy utilization efficiency is improved.

The invention relates to the technical field of sump oil treatment, and discloses a multi-stage filtering device which comprises a rolling mill system, a waste oil tank and a clean oil tank, a first sewage pumping pipe fitting is installed between the rolling mill system and the waste oil tank, and a first oil pumping pipe fitting is installed between the rolling mill system and the clean oil tank; a first filtering unit, a second-stage precipitation unit, a storage unit, a second filtering unit, a fourth-stage precipitation unit and a fifth-stage precipitation unit are arranged between the waste oil tank and the clean oil tank. According to the multi-stage filtering device, the first filtering unit, the second-stage precipitation unit, the storage unit, the second filtering unit, the fourth-stage precipitation unit and the fifth-stage precipitation unit are arranged to form the multi-stage filtering device, and the multi-stage filtering device is subsequently combined with a rolling mill system, a waste oil tank and a clean oil tank for use; the composite filtering treatment effect of not less than two-stage filtering and five-stage precipitation can be achieved on sludge, the recycling rate of purified oil is increased, meanwhile, oil sludge can be filtered stage by stage and collected in a unified mode, and the operation effect of the whole device is fully optimized.

The invention belongs to the technical field of oil sludge separating agents, and particularly provides an oil sludge separating agent and an oil sludge separating method.The preparation method comprises the following steps that propylene glycol block polyether, a coagulant and an oil trapping agent are mixed and stirred, and the oil sludge separating agent is obtained; the preparation method of the oil trapping agent comprises the following steps: S01, taking polycaprolactone, adding acetone, and carrying out heating dispersion to obtain a solution A; s02, hydroxypropyl-beta-cyclodextrin and propyl gallate are taken, heated, added with water and stirred, then pH is adjusted, ethylenediamine disuccinic acid is added, stirring continues, and a solution B is obtained; and S03, dropwise adding the solution A into the solution B, maintaining stirring until the solution is completely mixed, then performing rotary evaporation, and collecting solid components, thereby obtaining the product. The total deoiling rate of the oil sludge treated by the oil sludge separating agent and the separation method is greater than or equal to 92.5%.

The invention discloses an electric power oil washing device and an electric power oil purification treatment system and method. The electric power oil washing device comprises a washing oil tank, a circulating spraying unit, a waste liquid discharging unit and a first oil liquid discharging unit. The washing oil tank is used for inputting and accommodating oil and water for electric power to be treated; the first end of the circulating spraying unit is connected with the side part and / or the bottom of the washing oil tank, the second end of the circulating spraying unit is connected with the top of the washing oil tank, and the circulating spraying unit is used for conveying a mixed solution of to-be-treated electric oil and water to the top of the washing oil tank and spraying downwards; the waste liquid discharging unit is arranged at the bottom of the washing oil tank; and the first oil liquid discharging unit is arranged at the bottom of the washing oil tank. According to the invention, the distribution and precipitation characteristics of chlorine, pickling substances and oil sludge and the characteristic that additives in oil are insoluble in water are utilized, water is used for dissolution, the problem that chlorine cannot be effectively removed is solved, most acidic substances and part of oil sludge are removed by means of water, the cost is reduced, and the problem of secondary pollution in the treatment process is avoided.

This utility model relates to the technical field of oil sludge separation devices, specifically to a solid-phase and liquid-phase separation device for oil sludge treatment. It includes an oil sludge crushing box, an oil-liquid separation box installed at the bottom of the crushing box, and a box cover installed at the top of the crushing box. A crushing mechanism is fixed to the top of the box cover and penetrates through the crushing box into the oil-liquid separation box. A separation mechanism is installed between the crushing box and the oil sludge crushing box, penetrating into the oil-liquid separation box. A filter plate is bolted to the inside of the crushing box. This utility model achieves crushing and stirring of the oil sludge through the cooperation of the internal parts of the crushing mechanism, and compresses the crushed sludge to better separate the oil and water within the sludge. The separation of oil and water is achieved through the cooperation of the internal parts of the separation mechanism, creating separate oil and water layers for easier separation and discharge.

The application provides a pre-leaching auxiliary solvent extraction method for oil sand or oil sludge containing heavy crude oil, and belongs to the technical field of product separation and solid waste treatment in the field of petroleum chemical industry. The bitumen is dispersed by using aromatic hydrocarbon first, and then extracted by using naphthenic hydrocarbon, so that good extraction effect can be achieved, a surfactant does not need to be added, the solid phase residual oil rate after treatment is less than 1wt%, and the national relevant standard is met; the pre-leaching agent and the extractant used in the application have low boiling points, are easy to distill and recover, and the recovery rate is greater than 85%. In addition, the method provided by the application has the operation temperature of room temperature (20-30 DEG C), the operation condition is mild, the method is simple, the energy consumption is low, the organic solvent and the crude oil (containing bitumen and other heavy components) can be recovered by distillation, and the resource utilization is realized.

The invention belongs to the technical field of oil sludge treatment, and particularly provides an oil sludge wastewater innocent treatment process which comprises thermal refining, solid-liquid separation, oil-water separation, PAM removal, wastewater treatment and solid-phase innocent treatment. The harmless treatment of the oily sludge wastewater has the advantages of simple process, mild conditions, environmental friendliness and the like, is suitable for oily sludge treatment scenes of oil fields, refineries and the like, and has remarkable industrial application value and environmental protection benefits.