793 results about "Oil sludge" patented technology

The invention provides a lubricating system fault early warning method based on data analysis, which relates to the technical field of data analysis, and is used for comprehensively analyzing vibration data and pressure data in operation data of a lubricating system, judging whether an oil way blockage phenomenon occurs in the lubricating system or not, and judging the specific blockage position and degree. Therefore, the problem that in a high-speed bearing lubricating system, due to the fact that metal abrasive dust, oil sludge and external impurities in lubricating oil accumulate and deposit in an oil way, oil way blockage is caused, poor lubrication is caused, and the bearing is damaged due to overheating can be solved.

The invention discloses a stereoscopic warehouse with an automatic stacking function, and belongs to the field of stereoscopic wares.The stereoscopic warehouse comprises goods shelf bodies, driving mechanisms are installed on the opposite sides of every two goods shelf bodies, scraping mechanisms are installed on the surfaces of the driving mechanisms, and cleaning mechanisms are installed on one sides of the driving mechanisms; a correcting mechanism is mounted on the lower surface of the driving mechanism; through cooperative use of the devices, the straightness of the guide rail is monitored in real time based on the laser range finder, when the straight line of the guide rail deviates, the electric push rod is started to drive the scraping plate to move so that the scraping plate can be attached to the surface of the guide rail, and the scraping plate is driven to move based on the sliding base so that oil sludge on the surface of the guide rail can be removed through the scraping plate; when deviation still exists in the guide rail after the guide rail linearly cleans the oil sludge, the correction mechanism is started to correct the guide rail, and chain shutdown of the stereoscopic warehouse caused by much oil sludge or deviation of the guide rail is avoided.

The present invention discloses an endothermic spreading device for pyrolyzing oil sludge by chain plate transmission, comprising: a segmented cavity, which is a stepped sealing structure with high and low dislocation, the inner wall of the cavity is covered with heat insulation cotton, a feeding port is arranged at the top of the upper section of the cavity, and a discharging port is arranged at the bottom of the lower section of the cavity; a multi-stage chain plate transmission mechanism, and multiple chain plates are respectively installed in the segmented cavity; a shunting baffle plate, which is arranged above the chain plate; a spiral mixing mechanism, which is arranged above the chain plate; a transfer turning roller, which is arranged at the material falling place at the intersection of adjacent two-stage chain plate transmissions; and a horizontal pushing and pulling plate mechanism, which is arranged above the chain plate. The device of the present invention is beneficial to improving the even covering property and mixing property of the oil sludge on the chain plate, increasing the specific surface area of the oil sludge, and optimizing the endothermic reaction conditions through the combined actions of spreading, mixing, turning, squeezing and vibrating the oil sludge transmitted by the chain plate, so as to enable the oil sludge to be pyrolyzed efficiently and sufficiently.

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 oily solid treatment, and discloses an oily sludge and sand resourceful treatment method and system.The oily sludge and sand resourceful treatment method comprises the following steps that oil sludge is subjected to component analysis, and the oil content, the heavy metal type and sandy soil particle size distribution data are obtained; based on data of component analysis, adopting a microwave field to carry out dynamic pretreatment on the oil sludge, adjusting microwave parameters through coupling electromagnetic field distribution and a heat conduction model, and separating oil and sand; the pretreated sandy soil is subjected to flora combination optimization biodegradation, the flora proportion is screened based on a strain degradation efficiency matrix, and residual pollutants are degraded; and according to the biodegraded residue components, a recycling path is matched, and a regenerated material is formed. The invention provides an oil sludge and sand full-process treatment method based on microwave dynamic regulation and control, flora combination optimization and a multi-objective decision model. Integrated cooperative control of oil-sand efficient separation, multi-pollutant deep degradation and residue accurate recycling is achieved.

The invention discloses a soy sauce processing method using low-temperature heat sink, which solves the problem of loss of amino acid nitrogen due to precipitation of a large amount of impurities from crude oil semi-finished products in the existing heat sink process, and comprises the following steps: (1) heating and sterilizing: heating and sterilizing crude oil to obtain sterilized crude oil semi-finished products; (2) heat sink: cooling the sterilized crude oil semi-finished product to 30-40 DEG C, and pumping the sterilized crude oil semi-finished product into a closed heat sink tank for heat sink; the heat sink adopts the operation of graded oil pumping, specifically, when the heat sink time reaches 2-3 days, oil pumping is carried out from the middle of a heat sink tank according to 80% of the volume of the heat sink tank, the remaining 20% of the heat sink tank continues to be left in the heat sink tank, then the sterilized semi-finished product is pumped into the heat sink tank according to 80% of the volume of the heat sink tank till the tank is full, heat sink continues for 2-3 days, then 95% of oil is pumped, and the remaining 5% of the material in the heat sink tank is treated as foots; (3) filtering: filtering the heat sink crude oil semi-finished product to obtain a soy sauce semi-finished product; and (4) blending: blending the semi-finished soy sauce to obtain a finished soy sauce.

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 invention relates to the field of demulsifiers, in particular to an oil sludge demulsifier as well as a preparation method and application thereof. The oil sludge demulsifier comprises the following components in parts by mass: 20-35 parts of a surface active compound, 7-12 parts of a sodium alkyl sulfate cosolvent, 0.6-1.8 parts of a stabilizer and 48-55 parts of water, wherein the surface active compound comprises hyperbranched polyamidoamine and polyether amine modified magnetic nanoparticles. According to the oil sludge demulsifier, the problems that most of existing demulsifiers are small in dehydration amount, low in dehydration speed, poor in demulsification effect and low in treated oil content are solved, the demulsification performance of the oil sludge demulsifier is improved, the demulsification and dehydration efficiency is improved, and effective separation of oil sludge is achieved.

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 discloses a gasification system and method for harmless treatment of oily sludge, and relates to the technical field of oily sludge treatment, the system comprises an oily sludge drum-type gasification furnace and an oil-gas separation device; wherein the oil sludge drum-type gasification furnace comprises a microwave heating zone I, a microwave heating zone II, an oil sludge inlet pipeline, a high-temperature oil gas outlet pipeline, an oil sludge inlet and an oil sludge drum-type gasification furnace main body; the oil-gas separation equipment comprises a high-temperature oil-gas cooling water pipeline, a gasified tar collecting box, a high-temperature oil-gas pipeline and a tar outlet pipeline. According to the invention, water contained in the oil sludge is heated into water vapor as a gasifying agent, so that high-concentration H2 can be generated, and the synthetic gas obtained by gasification is higher in heat value and higher in utilization value; and three-phase products obtained by gasification can be respectively utilized, so that the resource utilization degree of the oil sludge is improved while harmless treatment of the oil-containing sludge is realized, and the method has higher heat efficiency, high gasification temperature and short heating time consumption, thereby being more energy-saving.

The lubricating oil purification device comprises a monitoring module, a purification module and a big data platform, the input ends of the monitoring module and the purification module are both connected with an oil liquid input port, the output ends of the monitoring module and the purification module are both connected with an oil liquid output port, the monitoring module is connected with the big data platform, and data transmission is conducted through an upper computer; the monitoring module comprises a granularity monitoring module, an oil product state monitoring module, a ferromagnetic abrasive particle monitoring module and a flow and pressure monitoring module, and the flow and pressure monitoring module is connected with the purification module; the purification module comprises a coarse filtration module, a pollutant charge coalescence module and a fine filtration module which are connected in sequence, and the pollutant charge coalescence module comprises two branches which are respectively a positive charge particle channel and a negative charge particle channel. Positive and negative charges are applied to different loop fluids, so that pollutant particles in oil are charged with opposite charges, and the charged particles attract each other and are gathered in the gathering process to form larger particles, so that the larger particles are more easily captured and cleared by a filter.

The invention relates to the technical field of oil sludge treatment, in particular to a high-performance oil sludge three-phase separation system which can completely separate water from oil, can effectively remove oil and prevent a large amount of oil from remaining in water, and is convenient to use. Comprising a separation barrel, a plurality of supporting legs, a feeding hopper, a separation part, a push-out part and an oil-water separation part, the multiple supporting legs are fixedly installed at the bottom of the separation barrel to support equipment, the feeding hopper is installed on the left side of the top end of the separation barrel, the separation part is installed on the upper side in the separation barrel, and the lower portion of the separation part is connected with the push-out part; an oil-water separation part is mounted on the lower side in the separation barrel.

The utility model relates to the technical field of environmental protection, and discloses sump oil sludge dehydration and solid removal treatment equipment which comprises a first treatment box, and a columnar cavity is formed in the first treatment box; a columnar cavity is formed in the second treatment box, the second treatment box is connected with the first treatment box through a pipeline, and the bottom end of the second treatment box is fixedly connected with a blow-off pipe; the cleaning assembly is arranged in the first treatment box and used for cleaning the inner wall of the first treatment box, a servo motor and a flow guide block are arranged in the cleaning assembly, and after the device is used, the first motor drives a movable block to rotate through an output shaft; the movable block drives the flow guide block to rotate and rub the inner wall of the first treatment box, redundant oil flows to the inner bottom of the first treatment box through the flow guide block and a guide groove in the flow guide block, at the moment, the redundant oil is discharged through a pipeline, and it is avoided that oil is accumulated in the first treatment box for a long time, qualitative change occurs, and pollution is caused to follow-up oil obtained through oil-water separation.

The invention discloses a metal pipe fitting grinding and polishing device and a using method thereof, and relates to the technical field of grinding and polishing devices.The metal pipe fitting grinding and polishing device comprises a machining mechanism, an auxiliary mechanism comprises a treatment box, a containing groove, a generator, an air heater and a plurality of cylindrical holes, and three partition plates are fixedly distributed in the treatment box at equal intervals; three baffles are arranged on one side of the treatment box, two symmetrical flow guide plates are fixed to the position, close to the edge, of the top of one of the baffles, and a plurality of transducers are distributed and installed at the bottom of the treatment box at equal intervals. According to the grinding and polishing device for the metal pipe fitting, the oil sludge on the surface of the single-head screw does not need to be carried to a place where the oil sludge on the surface of the single-head screw can be removed by a worker for treatment, so that the cleaning time of the single-head screw is shortened, the machining efficiency of the metal pipe fitting is guaranteed, and the using effect and the using efficiency of the grinding and polishing device for the metal pipe fitting are 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 invention belongs to the technical field of power equipment, and discloses transformer bushing oil level self-adaptive compensation equipment which comprises an oil tank and further comprises a scraping mechanism arranged in the inner wall of the oil tank; the oil outlet is fixedly connected to the outer wall of the bottom end of the oil tank, and the outer wall of the bottom end of the oil tank is fixedly connected with a water outlet; the oil injection port is fixedly connected to the outer wall of the oil tank; the spraying mechanism is arranged in the oil tank; the cleaning mechanism is arranged in the inner wall of the oil tank; through cooperation of structures such as a scraping plate and a sliding block, the scraping plate is driven by an electric push rod to move up and down, impurities or oil sludge on the inner wall of the oil tank can be cleaned, cleaning liquid or clean water in the liquid storage tank can eject valves open and is sprayed out of a spray head to be sprayed on the inner wall of the oil tank, and therefore cleaning operation can be automatically completed; and an operator does not need to manually add cleaning liquid or clean water, so that the operation is more convenient.

The invention relates to the field of resource and environment protection, in particular to a Fenton demulsification method for oil sludge in a cold rolling wastewater station, which meets the conditions of Fenton reaction at 70-80 DEG C by utilizing a small amount of iron in the oil sludge and pickling waste liquid and acid-containing wastewater of a cold rolling plant and additionally adding a proper amount of hydrogen peroxide and a bidirectional additive. The method has the advantages that the Fenton reaction of the cold rolling wastewater oil sludge is realized, so that the purpose of demulsification is achieved, conditions are created for subsequent respective treatment of oil, water and sludge of the oil sludge in a cold rolling wastewater station, demulsified oil is recycled, generated precipitated sludge is subjected to coal blending treatment, demulsified wastewater directly enters the cold rolling wastewater station for treatment, and the treatment effect is good. A treatment scheme which is economical, reasonable, short in process and free of secondary pollution is provided for treating the oil sludge in a cold rolling plant, and the field environmental protection requirement is met; meanwhile, in order to solve the problem that a probe of a pH detector is easily wrapped by oil in a mixed solution, so that the pH of the mixed solution is difficult to measure, a simple mathematical model is established in combination with a material system.

The invention relates to the technical field of sludge treatment, in particular to an oil sludge dehydration treatment system which comprises sludge pretreatment equipment used for pretreating oil sludge to reduce viscosity of the oil sludge and promote oil-water separation, and the sludge pretreatment equipment comprises a mixing and stirring tank used for containing the oil sludge and chemical agents. A stirring shaft is rotatably arranged in the mixing and stirring tank, two L-shaped stirring blades are symmetrically arranged at the bottom end of the stirring shaft, an anchor stirrer formed by the unfolded L-shaped stirring blades is used for carrying out low-speed large-torque stirring at the initial high-viscosity stage of the oil sludge, and it is ensured that a medicament is evenly dispersed; after the raw materials are uniformly mixed and react for a period of time, the viscosity is reduced, at the moment, the folding assembly drives the L-shaped stirring blades to fold and retract, and a turbo-type stirrer is formed, so that high-speed shearing and stirring are performed, oil drop aggregation and floc formation are accelerated, the energy consumption is reduced, and the treatment period is shortened.

The invention provides a method for preparing biological crude oil by promoting hydrothermal liquefaction of pig manure through steel rolling oil sludge, and belongs to the technical field of biomass energy. According to the method for preparing the biological crude oil by promoting the hydrothermal liquefaction of the pig manure through the steel rolling oil sludge, the steel rolling oil sludge serves as a catalyst for the hydrothermal liquefaction reaction of the pig manure, under the subcritical condition, the emulsified structure of the steel rolling oil sludge is destroyed, and fatty acid, water and scrap iron are obtained, the iron scrap can be used as a homogeneous catalyst for hydrothermal liquefaction of organic matters in pig manure, and Fe and Fe3O4 in the iron scrap can be used as a heterogeneous catalyst; in addition, under the subcritical condition, fatty acid can be subjected to thermal cracking to generate H2, iron can also react with subcritical water to generate H2, and H2 can promote hydrodeoxygenation of organic matter and is beneficial to improving the oil quality of biological crude oil; meanwhile, unutilized fatty acid can also be used as a raw material to be converted into biological crude oil, so that the oil yield is further improved.

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.

The utility model relates to the technical field of rapeseed oil processing equipment, and discloses a rapeseed oil sludge scraping device, which comprises an oil filtering tank, a scraping device and a scraping device, an oil filtering basket and a rotation driving mechanism; the oil filtering basket is of a cylinder structure with an open top, is rotationally arranged on the inner side of the oil filtering tank and then is driven by a rotation driving mechanism fixedly mounted on the oil filtering tank to rotate at a low speed or a high speed; the oil sludge scraping structure is detachably mounted on the oil filtering tank and is used for scraping oil sludge filter residues on the inner wall of the oil filtering basket. Compared with the prior art, the spiral oil press has the advantages that rapeseed oil flowing out of the spiral oil press is filtered after passing through the net basket, meanwhile, the motor drives the oil filtering basket to rotate at a low speed, the scraping plate can continuously scrape away most oil sludge filter residues attached to the inner wall of the net basket, and therefore the net basket is effectively prevented from being blocked. The motor drives the oil filtering basket to rotate at a high speed, so that residual rapeseed oil in oil sludge filter residues in the net basket can be thrown out under the action of centrifugal force.

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.