120 results about "Industrial Oils" patented technology

The invention relates to the technical field of oil-water separation, in particular to a renewable oil-water separation material as well as a preparation method and application thereof. According to the preparation method, a melamine foam material is soaked in a mixed solution composed of cane sugar, dopamine and a trihydroxymethyl aminomethane-hydrochloric acid buffer solution, and the renewable oil-water separation material is obtained; the renewable oil-water separation material can quickly and efficiently separate different types of oily wastewater such as kitchen oil, industrial oil and organic solvents, the separation efficiency can reach 99% or above, and the separation flux can reach 104-105 liters per square meter per hour. Moreover, the used renewable oil-water separation material can be repeatedly used after being fully soaked in an ethanol solution, and the separation flux and the separation efficiency are not obviously reduced. In addition, the renewable oil-water separation material has a wide oil-water separation effect and is suitable for industrial production.

The invention relates to the technical field of classification or anomaly detection, and provides an industrial oil well equipment fault diagnosis method, system, equipment and medium. The industrial oil well equipment fault diagnosis method comprises the following steps: acquiring industrial oil well equipment data for feature extraction, and automatically selecting and adjusting the weight of the feature in combination with the operation state information of the industrial oil well equipment; performing intelligent sampling processing according to the types of the features; based on the features after intelligent sampling processing, fault classification is carried out by adopting multiple classification models, and multiple fault classification results are obtained; fusing a plurality of fault classification results, and dynamically adjusting the weight of each classification result to obtain a fault result; the method provides reasonable and accurate prediction and decision support for fault diagnosis of the rod-pumped well.

The invention provides a heavy oil cracking and separating process based on supercritical carbon dioxide cooperation, and relates to the technical field of industrial oil refining. Comprising the following steps: fully mixing heavy material oil with supercritical carbon dioxide, adding the mixture into a microwave reactor, and carrying out cracking reaction under the action of a microwave field to obtain a cracking mixture; placing the cracking mixture in a supercritical separator, enriching light cracking products in a supercritical carbon dioxide phase and precipitating heavy components and impurities in a heavy phase by controlling the temperature and pressure in the supercritical separator, and separating the supercritical carbon dioxide phase from the heavy phase; performing vacuum flash evaporation or low-temperature separation on the supercritical carbon dioxide phase to obtain a gasoline fraction, a diesel fraction and C1-C4 cracked gas; through a triple core mechanism, the yield and quality of light oil which are far higher than those of a coking technology are obtained at the cost far lower than that of a hydrogenation technology.

The invention belongs to the technical field of environmental science and water treatment, and particularly relates to a PLA-Ni-coated MOF composite membrane and a preparation method and application of the PLA-Ni-coated MOF composite membrane. Comprising a porous polylactic acid substrate film constructed by 3D printing, a metal nickel layer arranged on the surface of the polylactic acid substrate film, and a ZIF-8 nanoparticle layer arranged on the surface of the metal nickel layer, the metal nickel layer is arranged between the polylactic acid substrate film and the ZIF-8 nanoparticle layer. The PLA-Ni-coated MOF composite membrane has a three-stage hierarchical composite structure of a PLA substrate membrane, a nickel coating and a ZIF-8 particle layer, is stable in structure and excellent in performance, has good mechanical strength and acid and alkali resistance stability, and is suitable for large-scale industrial oil-water separation.

The invention provides a temperature control method for a variable frequency heat pump of an industrial oil cooler and a control panel. The method comprises the steps that when the set temperature is smaller than or equal to the difference between the environment temperature and the first preset temperature, the variable frequency heat pump is in a no-load or on-load state, auxiliary electric heating is stopped, and a compressor is started for refrigeration; when the set temperature is larger than or equal to the difference between the environment temperature and the second preset temperature and smaller than or equal to the sum of the environment temperature and the third preset temperature, auxiliary electric heating and compressor refrigeration are started at the same time when the variable-frequency heat pump is in a no-load state, and compressor refrigeration is started and auxiliary electric heating is stopped when the variable-frequency heat pump is in a loaded state; when the set temperature is larger than or equal to the sum of the environment temperature and the fourth preset temperature, auxiliary electric heating is started and compressor refrigeration is stopped when the variable-frequency heat pump is in a no-load state, and auxiliary electric heating is stopped and compressor refrigeration is started when the variable-frequency heat pump is in a loaded state; constant-temperature control is achieved by controlling electric heating and the compressor in stages, and the accuracy and stability of constant-temperature control are improved.

The utility model discloses an industrial oil fume purification treatment device, which relates to the technical field of industrial oil fume treatment and comprises a treatment unit, an odor removal unit, a spraying unit and a clamping unit, the spraying unit comprises a vertical circular pipe which is fixedly connected between the inner walls of the treatment unit, and an atomizing nozzle which is fixedly connected to the inner surface of the vertical circular pipe and is used for purifying oil fume; the clamping unit comprises a sealing plate installed at one end of the processing unit and a connecting rod fixedly connected to one side of the upper end and the lower end of the sealing plate and used for being connected with the deodorizing unit. According to the industrial oil fume purification treatment device, oil fume can be sprayed and deoiled twice through the arrangement of the vertical circular pipe and the conveying pipe, oil and impurities in the oil fume are in full contact with water, the purification treatment effect of the oil fume can be improved, an odor removal unit is convenient to install in an elastic clamping and fixing mode, and the practicability of the industrial oil fume purification treatment device is improved. In addition, later disassembly is convenient, the filter screen and the activated carbon adsorption net are convenient to disassemble, clean or replace, and the convenience is improved.

The invention belongs to the technical field of purification and regeneration of industrial oil products, and relates to a composite adsorbent for regeneration of phosphate fire-resistant oil and a preparation method of the composite adsorbent. The catalyst comprises the following components in percentage by mass: 40-60% of a mesoporous silicon-aluminum molecular sieve, 20-35% of surface modified activated aluminum oxide, 10-20% of organic alkali functionalized silica gel and 3-8% of a metal deactivator. According to the invention, the overall adsorption capacity and selectivity of various degradation products in the phosphate fire-resistant oil are obviously improved, and the adsorption loss of effective components of the base oil is effectively reduced.

This application provides a method, apparatus, equipment, and storage medium for quantitative evaluation of oil layers in mud-class reservoirs, belonging to the field of oil and gas exploration and development technology. In this method, based on the parameter values ​​of multiple logging parameters of a first reference block in the target block, the fine-grained sedimentary rock reservoirs in the first reference block, the effective reservoirs within the fine-grained sedimentary rock reservoirs, and the distinction between industrial and non-industrial oil flow layers within the effective reservoirs can be made, thereby determining a set of quantitative evaluation thresholds. These multiple logging parameters include natural gamma, resistivity, spontaneous potential, total organic carbon content, compensated density, NMR porosity, and NMR saturation. This set of quantitative evaluation thresholds is used to identify industrial oil flow layers in the target block. The quantitative evaluation thresholds determined by the above method can efficiently and accurately identify industrial oil flow layers in the target block, thus providing a reliable basis for subsequent oil and gas exploration and development, and improving the efficiency of oil and gas exploration and development.

The application discloses a lignin-based anion-cation dispersant and application thereof in a scrubbing industrial oil-stain hand cleanser. The lignin-based anion-cation dispersant comprises a cationic surfactant and a lignin sulfonate sodium graft copolymer, which are mixed at a mass ratio of 0.1-2.5:1; the lignin sulfonate sodium graft copolymer is prepared from lignin sulfonate sodium, a reaction monomer and an initiator at a weight ratio. The lignin-based anion-cation dispersant is applied to the scrubbing industrial oil-stain hand cleanser. The scrubbing industrial cleanser of the application adopts the independently modified lignin-based anion-cation dispersant to efficiently disperse the scrubbing particles, and in combination with the emulsifying effect of an emulsifier and the physical friction effect of the scrubbing particles, can rapidly resolve heavy oil stains on hands, significantly reduce the amount of the emulsifier, and improve the mildness of the product. After the product is used, hands are not tight and are not stimulated, and the product is suitable for long-term use of processing personnel engaged in machine repairing, printing and machinery.

The present invention relates to the technical field of industrial oil purification, and in particular to a fully automatic industrial oil purification and separation filter, comprising a filter body and a controller, the right end of the filter body being fixedly connected to the controller, the top of the fine-tuning device being fixedly connected to a pretreatment device, the pretreatment device comprising a pretreatment box, a first protective shell, a support frame, a connecting shaft, an iron core barrel, a cam, a knocking block, a coil, a sealing plate and a collecting barrel, the top of the fine-tuning device being fixedly connected to the support frame, the top of the support frame being fixedly connected to the pretreatment box, and the outer side of the bottom end of the pretreatment box being spirally connected to the collecting barrel, in the present invention, through the provided connecting shaft, spring and knocking block, on the one hand, dirty oil is allowed to pass through the iron core barrel, so that the iron core barrel adsorbs metal impurities contained in the oil, so that the metal impurities will not enter the inner side of the filter body, thereby reducing the wear of the filter body by the metal impurities and improving the service life of the filter body.

The utility model discloses an industrial cross-linking vibration degreaser, and belongs to the technical field of environmental protection. The industrial cross-linking oil remover comprises a bottom plate, a supporting frame fixedly installed on the bottom plate, an oil removing box fixedly installed on the supporting frame, a liquid inlet pipe fixedly installed on the oil removing box and a water drainage pipe fixedly installed on the oil removing box. The oil discharge pipe is fixedly mounted on the oil removal tank, the oil removal mechanism is arranged in the oil removal tank and is used for separating oil from water, and the oil removal mechanism comprises a lifting rod fixedly mounted in the oil removal tank and a roller rotationally mounted on the lifting rod; through the cooperative use of the devices, the arrangement of the oil removal mechanism and the oleophylic and non-hydrophilic characteristics of a super-hydrophobic material, oil and water in an oil-water mixture can be automatically separated, an oil scraping strip and a steel belt are not used for oil removal any more, scrap iron embedded in the oil scraping strip is prevented from scratching the surface of the steel belt, and the oil removal uniformity is improved.

The utility model discloses ultrafiltration equipment for low-viscosity industrial oil, and relates to the field of filtering equipment, the ultrafiltration equipment comprises an ultrafiltration tank, an inner cavity of the ultrafiltration tank is provided with a filtering assembly used for filtering industrial oil, the filtering assembly comprises a filter screen installed in the inner cavity of the ultrafiltration tank, the inner cavity of the ultrafiltration tank is fixedly connected with a fixing ring, and the fixing ring is fixedly connected with the ultrafiltration tank. The fixing ring is obliquely and fixedly connected to the surface of an inner cavity of the ultrafiltration tank in an oval shape, the fixing ring and the filter screen are of a detachable connecting structure, a cleaning assembly is arranged on the surface of the ultrafiltration tank and used for cleaning the surface of the filter screen, and an alarm assembly is arranged in the inner cavity of the ultrafiltration tank and used for reminding the filtering condition. The top of the ultrafiltration tank is fixedly connected with an oil well pump used for conveying raw materials, a discharging port of the oil well pump is fixedly connected with a feeding port of the ultrafiltration tank, and the ultrafiltration equipment for the low-viscosity industrial oil solves the problems that in the prior art, when a filter screen is blocked, time and labor are wasted, and production is affected due to the fact that the filter screen needs to be replaced after being shut down immediately.

Laundry detergent compositions that are neutral detergent containing a cationic amine surfactant in combination with nonionic surfactants are disclosed. The compositions beneficially remove difficult to treat soils, including food and industrial oils on polyester, cotton and polycotton blends, as part of a two-part cleaning wash process with an alkali step. Methods of using the neutral laundry detergent compositions are also disclosed.

The utility model relates to industrial oil filtering technical field, and disclose a cottonseed oil pipeline filter assembly convenient to dismount and clean, including oil pipe body, the top of oil pipe body is fixed with mounting seat, the top of mounting seat is fixed with support ring, the inboard of support ring is filled with support pad, and the top of support pad places filter screen, and the top of support ring is installed with shell. This cottonseed oil pipeline filter assembly convenient to dismount and clean, through first seal cover is opened, the impurity in the inside of shell pours out, then rotates knob and drives limit block to rotate, makes limit block away from vertical plate, and vertical plate is not extruded by limit block at the same time, is pushed by the resilience of first spring, drives the inside of the clamping block to separate from the clamping groove, can remove the fixing between first casing and second casing, subsequently, the user rotates first ring stand or second ring stand, holds up shell to the up, takes out the filter screen in it, thereby is convenient to carry out completely clean, and the dismounting process is simple and convenient, does not need special tool, and the operating efficiency is high.

The application belongs to the technical field of hydrogenation catalysts, and particularly relates to a performance improvement method of a hydrogenation refining catalyst. The performance improvement method of the hydrogenation refining catalyst controls the temperature of a reactor filled with the hydrogenation refining catalyst at 320-370 DEG C, uses aviation kerosene to flush the hydrogenation refining catalyst, and then uses normal industrial oil as a solvent to carry dimethyl disulfide to supplement sulfur to the hydrogenation refining catalyst, so as to improve the performance of the hydrogenation refining catalyst. The performance improvement method of the hydrogenation refining catalyst does not need to be regenerated outside the reactor, controls the pretreatment temperature of the catalyst, flushes the catalyst with aviation kerosene, and adds dimethyl disulfide in the reactor of the catalyst device for closed-loop circulation, so that the performance of the hydrogenation refining catalyst is improved, the influence of the change of the performance of the catalyst on the quality of industrial white oil is avoided, and the industrial white oil has good yellowing resistance.

This invention discloses a PCB edge grinding fixture, comprising a fixture substrate, a movable stage, a pushing device, a guiding device, and an edge grinding device. The movable stage includes a first guide rail and a stage portion. The first guide rail is disposed on the fixture substrate, and the stage portion is slidably disposed on the first guide rail. The pushing device can push the stage portion to slide along the first guide rail. The edge grinding device includes a second guide rail, an edge grinding bracket, and a pressing part. A first industrial oilstone is disposed on the inner side of the edge grinding bracket, and a second industrial oilstone is disposed on the top surface of the edge grinding bracket. The second industrial oilstone is aligned with a height limiting block. The pressing part is disposed on the outer side of the edge grinding bracket and fixedly connected to the fixture substrate. A second compression spring is connected between the pressing part and the edge grinding bracket. This invention can remove burrs from the sides and top surfaces of the PCB circuit board edges, removing burrs cleanly and efficiently, ensuring complete removal without omissions, and providing uniform grinding force to avoid damaging the circuit board.

The utility model discloses molybdenum substrate surface industrial oil cleaning equipment, which relates to the field of molybdenum substrate cleaning equipment, comprises an equipment box, and is characterized in that a liquid collecting shell is mounted on the upper end surface of the equipment box, the liquid collecting shell is fixedly connected with the equipment box, and a clamping plate for placing a molybdenum substrate is arranged in the liquid collecting shell; the lower end of the clamping plate is fixedly installed on the inner side face of the liquid collecting shell, a guide frame and a water pump are fixedly installed on the outer side face of the liquid collecting shell, and a cleaning assembly is slidably installed on the guide frame. According to the device, the liquid collecting shell is installed on the upper end face of the equipment box, the clamping plates are fixedly installed in the liquid collecting shell, the molybdenum substrates can be stably cleaned by being placed on the clamping plates during cleaning machining, and during cleaning, the cleaning brush roller is driven by the driving motor to stably clean the surfaces of the molybdenum substrates under the action of the electric cylinder; and after cleaning is completed, the spraying pipe set is matched with a water pump for flushing.

The invention relates to the technical field of electrostatic oil mist purification, in particular to electrostatic industrial oil mist purification equipment for environmental protection, which comprises a purification box body, an ionizer and an anode plate, the ionizer is mounted in the purification box body and used for electrifying the oil mist impurities, the anode plate is mounted in the purification box body and used for adsorbing the electrified oil mist impurities, and the liquid conveying equipment III is mounted at the bottom end of the purification box body; the scraping mechanism is mounted in the purification box body and is used for scraping oil mist impurities on the surface of the anode plate; and the soaking mechanism is mounted in the purification box body. According to the invention, after heated cleaning liquid is input into the purification box body and soaked for enough time, the cleaning liquid and oil mist impurities electrostatically adsorbed on the anode plate are fully soaked, and then the cleaning liquid is discharged and isolation between the ionizer and the anode plate is released, so that the anode plate does not need to be taken out for cleaning; and cleaning is convenient and rapid, so that the cleaning efficiency can be improved.

The utility model discloses an industrial oil mist purifier which comprises a box body, an air draft module and an oil removal module, the air draft module and the oil removal module are arranged in the box body, an air inlet cavity, a separation cavity and a fan cavity which are sequentially connected are arranged in the box body, and the area of the air inlet cavity, the area of the separation cavity and the area of the fan cavity which are sequentially connected are arranged in the box body in a separated mode. The fan can be installed in the fan cavity in a built-in mode, the oil smoke purifier can be installed in the separation cavity in a built-in mode, equivalently, the air draft function and the oil removal function are integrated in the same box body, industrial oil mist can enter the box body through the air draft opening under driving of the fan, and liquid oil dirt is separated after treatment of the oil removal module; and the residual gas can be directly exhausted to the outside through the exhaust port, so that the effect of integrating functional modules for purifying the industrial oil mist is realized, and the purifier can realize the effects of smaller occupied area, more compact structure and more convenience in installation in design.

The invention discloses a supervision system and method for industrial oleic acid production, and the system comprises a raw material reaction regulation and control module, a real-time parameter collection module, a phase equilibrium analysis module, a data intelligent reasoning module, a cloud centralized management module and a process dynamic adjustment module which are connected through an industrial data transmission protocol, an encrypted data channel and the like to form a complete closed-loop link. The raw material reaction regulation and control module sets reaction initial parameters, the real-time parameter acquisition module continuously captures data such as temperature and oleic acid concentration in a reaction kettle, the phase equilibrium analysis module combines a thermodynamic model to calculate and obtain phase component parameters, and the data intelligent reasoning module complements the parameters and deduces an abnormal trend based on an omission-Bayesian reasoning model. The cloud centralized management module synchronizes data with a related platform, and the process dynamic adjustment module performs stepped correction on the stirring rate and the like. The system realizes coherent operation of parameter acquisition, analysis, reasoning, management and adjustment through cooperation of all the modules, and improves the stability of oleic acid production and the product quality.

This invention proposes a multi-frequency electromagnetic feature fusion method for abrasive particle identification, involving signal processing, sensor information fusion, and intelligent monitoring of mechanical conditions. It solves the problems of measurement distortion caused by hardware parasitic parameter coupling, the inability to directly solve the highly nonlinear time-harmonic field model analytically, and the poor convergence of conventional optimization algorithms leading to misjudgment of abrasive particle parameters in existing abrasive particle identification methods. This invention constructs a forward analytical model of the time-harmonic field and a nonlinear objective function, and utilizes the Levenberg-Marquardt (LM) optimization algorithm to jointly invert and extract the equivalent diameter, conductivity, and relative permeability of unknown metallic abrasive particles in a multi-dimensional parameter space. This invention can accurately decouple the equivalent diameter, conductivity, and permeability of abrasive particles, accurately distinguish materials, and the LM algorithm converges quickly and does not diverge, achieving millisecond-level inversion, meeting the high precision and real-time requirements of online monitoring of industrial oil.

The utility model relates to an environment-friendly industrial lampblack collecting device, and belongs to the technical field of industrial lampblack collection. According to the technical scheme, the device comprises a dust cover (1), a supporting framework (2), a stainless steel wire mesh (3), an industrial oil fume collecting barrel (4), an oil fume inlet pipeline (6), an oil product discharge pipeline (8) and an oil level indicator (12), the dust cover (1) is arranged at the top of the industrial oil fume collecting barrel (4), the bottom of the industrial oil fume collecting barrel (4) is connected with the oil product discharge pipeline (8), the stainless steel wire mesh (3) is fixed in the industrial oil fume collecting barrel (4), and the oil level indicator (12) is arranged on the supporting framework (2). The stainless steel wire mesh (3) is conical, the oil fume inlet pipeline (6) is connected to the barrel wall of the industrial oil fume collecting barrel (4), and the industrial oil fume collecting barrel (4) is provided with an oil level gauge (12). The utility model has the beneficial effects that when industrial oil smoke is discharged, oil smoke fog drops can be prevented from dropping on the ground near the oil smoke discharge port to form a large amount of oil stains and pollute the environment.

This invention discloses a lightweight, high-ductility cement-based composite material made of phosphogypsum, belonging to the field of building materials technology. The high-ductility cement-based composite material of this invention comprises the following raw materials in parts by weight: 450-600 parts cement, 150-300 parts fly ash, 100-300 parts silica fume, 400-500 parts lightweight phosphogypsum aggregate, 200-300 parts elastic asphalt sand, 12-18 parts composite fiber, 60-90 parts steel fiber, 20-30 parts water-reducing agent, and 170-200 parts water. The preparation method of the elastic asphalt sand includes the following steps: screening waste asphalt concrete to obtain waste asphalt sand; washing the waste asphalt sand with an organic solvent, drying it, soaking it in industrial oil, and drying it to obtain elastic waste asphalt sand; adding the elastic waste asphalt sand to a mixed solution of water, a silane coupling agent, and anhydrous ethanol, reacting, filtering, and drying to obtain the elastic asphalt sand. The lightweight, high-ductility cement-based composite material of the present invention has the advantages of being lightweight, having low shrinkage, high tensile strength, and high impact strength.

The present invention relates to the technical field of frying machines, and discloses a high-efficiency and energy-saving large-scale industrial frying machine, comprising an equipment box, a frying box fixedly mounted on the top of the equipment box, a feeding mechanism provided on one side of the frying box, a main shaft rotatably mounted in the frying box, a transmission sleeve slidably sleeved on the surface of the main shaft, a plurality of storage drawers fixedly sleeved on the surface of the transmission sleeve, and a filter box fixedly mounted on one side of the frying box. The present invention can filter the oil residue in the frying oil by providing a filter box and two collecting boxes, and can scrape the oil residue on the surface of the filter plate by reciprocating sliding of a scraper, so that the oil path remains unobstructed. At the same time, the oil residue can be squeezed to squeeze out excess frying oil and flow it into the circulating oil path, thereby avoiding waste of frying oil. The oil residue is collected in a residue collection drawer for centralized processing, effectively preventing the oil residue from participating in the frying operation again and damaging the appearance and taste of the fried food, thereby improving the energy-saving effect of the equipment and the quality of the fried food.

The utility model discloses a self-driven river garbage blocking and oil stain adsorption device, which relates to the field of river pollution treatment and comprises a paddle, a gear disc, a sponge fixing grid ring, a floating disc, a nut and a fixing rod. The gear disc, the sponge fixing grid ring and the floating disc are sequentially and fixedly arranged on the rod wall of the fixing rod from bottom to top, the position, located in the sponge fixing grid ring, of the rod wall of the fixing rod is provided with sponge capable of adsorbing oil dirt, and the upper end of the fixing rod is provided with threads matched with the nut. The number of the fixing rods is multiple, and the same linking lock chain is arranged at the upper ends of the multiple fixing rods. The floating garbage in the river can be effectively intercepted and collected, industrial oil stains are adsorbed, the negative influence of the industrial oil stains on a river ecosystem is reduced, the safety of water resources is protected, and green sustainable development is promoted.

The application discloses an industrial oil fume purification device for printing and dyeing processing and a purification method thereof, and relates to the technical field of waste gas pollutant purification, which comprises a purification tower body, and a purification separation assembly is arranged in the purification tower body; a high-voltage electrostatic field is formed through cooperation between an anode part and a cathode part; the anode part comprises an anode dust collecting pipe one and a horizontal protrusion one, the horizontal protrusion one is uniformly fixed and assembled to the inner side wall of the anode dust collecting pipe one, a wavy inner plate is fixedly assembled between the horizontal protrusion one, the horizontal protrusion one and the wavy inner plate cooperatively form a concave-convex continuous arc-shaped adsorption surface, the actual adsorption contact area of the pollutants is significantly expanded, compared with a smooth inner wall, the contact probability of the charged pollutants and the anode wall surface is greatly improved, and the adsorption efficiency is obviously enhanced; meanwhile, the lower half section of the anode dust collecting pipe one has a larger radial radius than the upper half section, the working condition that the waste gas is from bottom to top and the lower part has a higher pollutant concentration is matched, and high-concentration pollutants are preferentially concentrated and adsorbed in the lower part.

The invention relates to an integrated plant for regeneration and recovering waste industrial and engine oils, such as marine oils (MOBILGARD M430 for the main propulsion engines, Devlac MX15W40 for the diesel generators, M-14G2CS for lubricating the stern tube, BARTRAN HV 68 for the blade control system of variable pitch propellers, CASTROL T 68 for lubricating the gas turbine of the main propulsion engine, OMALA 220 for lubricating the gear components), motor vehicle oils, oils for textile machinery, etc., comprising several units, and can also be used across various industries. The technical result of the invention is the improved degree of purification of waste industrial and engine oils and safe operation of the plant. An integrated plant for regeneration and recovering waste industrial and engine oils comprises a module for removing moisture and fuel fractions from the oil to be purified, which module is connected to a module for diagnostics and monitoring of the oil to be purified, a module for controlling the quality of the oil to be purified and a module for applying functional additives to the oil to be purified.

This invention provides a hot water washing system for oily sludge that integrates a twin-helix mixer and a disc centrifuge. The system includes a feeding unit, a twin-helix mixing unit, and a disc centrifugal separation unit. The feeding unit feeds material into the twin-helix mixing unit. The inlet of the disc centrifugal separation unit is connected to the outlet of the twin-helix mixing unit via a feed pump. The disc centrifugal separation unit centrifuges and separates the oily sludge treated by the twin-helix mixing unit. The twin-helix mixing unit achieves efficient convective mixing of oily sludge with hot water and chemicals. The disc centrifugal separation unit enables rapid separation of the oil-water-sludge three phases. Simultaneously, a temperature control unit can regulate the material temperature within the mixing unit in real time, and a chemical addition unit precisely proportions the cleaning agents. This highly integrated system improves mixing uniformity by 20%-30% and separation efficiency by 15%-25% compared to conventional equipment, making it suitable for the efficient and harmless treatment of various types of industrial oily sludge.