45results about How to "Good degreasing effect" patented technology

The invention discloses a preparation method of an amphiphilic carbon dot, the amphiphilic carbon dot and application of the amphiphilic carbon dot. According to the amphiphilic carbon dots, at least one of phenol, catechol, resorcinol or hydroquinone is used as a first precursor, and at least one of urea, aniline, o-phenylenediamine or 1, 2, 4-triaminobenzene is selected as a second precursor; after mixing and dissolving, reacting for 4-8 hours under the condition of 180-220 DEG C to prepare initial carbon dots; separating and purifying the initial carbon dots in a chromatographic column, collecting a second component, removing the solvent through rotary evaporation, and drying to obtain the amphiphilic carbon dots. The degreasing agent prepared from the obtained amphiphilic carbon dots has strong adsorption capacity, low toxicity and good stability, can effectively remove oil stains, has the characteristic of low foam in the use process, simplifies the cleaning process and improves the efficiency.

The invention relates to an oil-water separation device and an oil-water separation method, in particular to a novel integrated oil-water separation microbubble air flotation machine and an oil-water separation method, and aims to solve the problems that although the existing air flotation technology has remarkable advantages in treatment of an oil-water mixture, the oil-water separation effect is poor; however, the traditional air flotation equipment still has the defect of certain limitation in treatment efficiency and thoroughness in oil stain removal. According to the novel integrated oil-water separation microbubble air flotation machine, a multiphase flow pump is used for generating a large number of microbubbles, and oil dirt is promoted to float upwards; meanwhile, oil stains on the water surface are adsorbed through the oil stain adsorption material and extruded and recycled through the roller assembly, and the oil stain removal efficiency is effectively improved.

The invention provides a degreasing agent and a body-in-white pretreatment process. The degreasing agent comprises a compound agent, and the compound agent comprises the following components in percentage by weight: 1%-5% of hydroxide, 50%-60% of carbonate, 20%-30% of silicate, 5%-10% of sodium pyrophosphate and 13%-20% of a chelating agent. The body-in-white pretreatment process comprises the following steps: a flood water washing procedure: washing and preheating a plate of a body-in-white; a pre-degreasing step in which a pre-degreasing bath solution is sprayed onto the surface of the plate by means of spraying; a main degreasing procedure, specifically, a main degreasing bath solution containing the degreasing agent is used for conducting degreasing treatment on the plate, the free alkalinity of the main degreasing bath solution is controlled to range from 16 Pt to 19 Pt, and the oil content of the main degreasing bath solution is controlled to be smaller than 3.0 g / L; and an industrial water washing procedure: washing the plate to remove the main degreasing bath solution remaining on the surface of the plate.

The invention relates to the technical field of circuit board processing, in particular to an efficient environment-friendly acidic degreaser and a preparation method thereof. An efficient environment-friendly acidic degreasing agent is prepared from the following preparation raw materials in parts by mass: 30-40 parts of inorganic acid, 12-15 parts of a corrosion inhibitor, 40-50 parts of a wetting agent, 10-12 parts of an emulsion stabilizer, 8-10 parts of isoeugenol, 15-18 parts of plant degreasing liquid and 850-870 parts of deionized water. The efficient and environment-friendly acidic degreaser has a rapid and excellent degreasing effect, can effectively protect metal on the surface of a circuit board and improve the binding force of a plating layer, has the characteristics of good high and low temperature stability, environmental protection, simple preparation method, low production cost, excellent comprehensive performance and the like, and is suitable for electroplating acidic degreasing procedures of various circuit boards.

The invention provides an acid etching treatment method of an aluminum alloy for anodic oxidation and the aluminum alloy subjected to acid etching treatment. The acid etching treatment method comprises the following steps: S1, carrying out dipping treatment on the aluminum alloy by adopting a surface treatment solution to obtain the dipped aluminum alloy; and S2, the aluminum alloy subjected to dipping treatment is washed, and acid etching treatment of the aluminum alloy for anodic oxidation is completed. The aluminum alloy is subjected to dipping treatment through the surface treatment liquid, a clean and uniform aluminum alloy surface is obtained, favorable conditions are created for continuous and uniform growth of a subsequent anodic oxidation film layer, and introduction of anodic oxidation defects is effectively reduced. Compared with a traditional alkali etching and bright dipping process, the acid etching treatment method for the aluminum alloy avoids the problems of large aluminum alloy loss and surface intergranular over-corrosion induced by alkali etching, the flatness and compactness of a subsequent anodic oxide film can be effectively improved, the anti-corrosion performance and surface quality of the aluminum alloy anodic oxide film layer are improved, and the service life of the aluminum alloy anodic oxide film layer is prolonged. And the production efficiency and the product quality are greatly improved.

The invention relates to high-carbon coated steel wire production equipment and a production process, and relates to the technical field of steel wires, the production equipment comprises a dry wiping degreasing device and a wet wiping degreasing device, the dry wiping degreasing device is used for removing impurities adhered to a steel wire, and the wet wiping degreasing device comprises a tank body filled with a degreasing solution for removing grease; the tensioning mechanism enables the steel wire in the groove body to be in a tensioning state; the scrubbing mechanism is used for scrubbing the steel wires passing through the tank body; and the liquid supply mechanism is used for purifying the degreasing liquid output in the tank body and inputting the purified degreasing liquid into the tank body. The steel wire firstly passes through the dry wiping degreasing device to remove impurities adhered to the steel wire, then the steel wire rope penetrates through the tensioning mechanism, the scrubbing mechanism and the tank body, the steel wire moves, the tensioning mechanism guides the steel wire when the steel wire moves, the steel wire located in the tank body is in a tensioned state, the scrubbing mechanism scrubs the steel wire, and then the steel wire is cleaned. And the degreasing effect and efficiency of the steel wire are improved.

This invention discloses a capsule centrifugal oil removal device. A rotating drum assembly is mounted on a frame, and a centrifugal assembly is located on the feed side of the rotating drum assembly, with a pellet inlet pipe inserted into the centrifugal assembly. The centrifugal assembly includes a centrifugal hub driven by a centrifugal motor. A conical section is provided on the centrifugal hub, with its diameter gradually increasing from the feed end to the discharge end. Several sieve holes are staggered along the conical section. This invention adds a centrifugal assembly before the rotating drum assembly, centrifuging and separating most of the oil within the centrifugal assembly before feeding the pellets back into the rotating drum assembly for further separation of the remaining oil. This results in more thorough oil removal, better oil removal effect, less residual oil on the pellets, significantly improved drying speed, shorter drying time, better drying effect, and higher production efficiency.

The application provides a coalescence-adsorption coupled binary hydrophilic-hydrophobic particle deep bed oil removal process and device, and the process comprises the following steps: S1, mixed liquid mixing and adsorption; S2, first coalescence separation of the mixed liquid; S3, second coalescence separation of the mixed liquid; and S4, recycling of emulsified oil containing DOM and adsorbent. The process of the application realizes efficient purification of oil-containing sewage containing DOM and emulsified oil through the steps of adsorbent dispersion mixing and two-stage binary hydrophilic-hydrophobic particle coalescence separation, in combination with a special device; the mixing effect of the adsorbent and the sewage can be strengthened, the DOM adsorption and emulsified oil demulsification efficiency can be improved, the adsorbent recycling and water phase purification can be realized at the same time, and the problems of incomplete treatment and low efficiency of existing oil removal technologies on multi-form pollutants are solved.

The invention relates to the technical field of laundry products, in particular to a low-temperature high-concentration washing liquid and a preparation method thereof. The cleaning agent is prepared from the following components in percentage by weight: 38% of isomerized 1307, 28% of secondary alcohol aeo-9, 10% of propylene glycol, 0.3% of compound enzyme, 2% of glycerol, 21.2% of deionized water and 0.5% of essence. According to the low-temperature high-concentration washing liquid and the preparation method thereof, the isomerized 1307 and the secondary alcohol AEO-9 are compounded according to a specific proportion, and the synergistic anti-freezing effect of the propylene glycol and the glycerol is combined, so that the freezing point of a system is remarkably reduced, the pH value can be adjusted according to the actual situation, and the low-temperature high-concentration washing liquid is prepared. The prepared washing liquid can still keep good fluidity after being stored for a long time at 0 DEG C or even lower temperature, is free of crystallization and solidification, and solves the problem of freezing of highly concentrated products in winter.

The invention provides a rare earth neodymium-based oil sludge waste treatment method and rare earth neodymium-based magnetic powder. The invention relates to a rare earth neodymium-based oil sludge waste treatment method, which comprises: (1) mixing rare earth neodymium-based oil sludge and 50-150 ml of a composite cleaning agent 10 g, and carrying out ultrasonic stirring, negative pressure suction filtration and alcohol washing to obtain a primary purified rare earth neodymium-based powder material; (2) treating the primarily purified rare earth neodymium-based powder in inert gas at 600-900 DEG C for 30-60 minutes to obtain secondarily purified rare earth neodymium-based powder; (3) removing impurities from the secondarily purified rare earth neodymium-based powder to obtain rare earth neodymium-based powder; (4) mixing the rare earth neodymium-based powder with 10 g of calcium hydride according to a ratio of 5.5-7.5 g, and tabletting; and adding the rare earth neodymium-based magnetic powder into an inert gas, preserving heat at 950-1050 DEG C for 3-5 hours, cooling the inert gas to 30 + / -5 DEG C after the heat preservation is finished, so as to obtain a regenerated rare earth neodymium-based magnetic powder pressing sheet, and grinding, crushing, centrifuging, separating, drying and sieving under the protection of the inert gas, so as to obtain the regenerated rare earth neodymium-based magnetic powder. According to the method, the regeneration efficiency is greatly improved, and a feasible technology is provided for secondary resource recycling development of the rare earth neodymium-based waste.

The utility model provides a kind of corona gap adjusting device, comprising: rack, be set to the rack and with the rack form rotating connection's corona roller, fixed in the rack and located the corona roller directly above bracket, fixed in the bracket close to the corona roller one side telescopic mechanism, fixed in the telescopic mechanism close to the corona roller one side ceramic electrode and fixed to the gap measuring device of rack;The ceramic electrode with the corona roller directly opposite and mutually spaced arrangement, the telescopic mechanism is used to adjust the spacing of the ceramic electrode to the corona roller, the gap measuring device is spaced with the corona roller, for measuring the gap size between the ceramic electrode and the corona roller.The utility model's corona gap adjusting device can improve corona effect, increase aluminum foil surface roughness, oil removal effect and surface tension, and gap measurement accuracy.

The utility model relates to the field of hydraulic prop production equipment, in particular to a cylinder oil removal device for mining hydraulic prop production, which comprises an oil removal tank and a flushing tank, cleaning fluid is arranged in the oil removal tank, a support is arranged in the oil removal tank, a brush plate is arranged on the support, two support arms are arranged in the oil removal tank in a sliding manner, and the two support arms are connected with the flushing tank. The supporting arms slide in the horizontal direction, driving mechanisms are arranged on the supporting arms and comprise driving shafts, limiting columns are arranged at the free ends of the driving shafts, rubber rings are arranged on the outer sides of the limiting columns, two telescopic rods are arranged in the flushing pool, one telescopic rod is connected with a flushing pipe, and the other telescopic rod is provided with a water drainage pipe. A sliding block is arranged in the flushing pool in a sliding mode, a flushing ring is arranged on the sliding block, a plurality of pressurizing nozzles are arranged on the inner side of the flushing ring, and a water supply mechanism connected with the flushing ring and the flushing pipe is arranged at the lower end of the flushing pool. The oil removal device has the advantages of being good in oil removal effect and capable of reducing cleaning liquid residues.

The invention discloses a tableware detergent containing natural vitamin E. The tableware detergent containing the natural vitamin E comprises the following components: water, vitamin E, high-purity active alkali, a complexing agent, a high-efficiency polymer and a chlorine-containing bactericide, the cleaning agent does not contain phosphate, a surfactant, lactic acid, an acid-base regulator and a preservative, the acid-base regulator is citric acid and sodium citrate, and the mass ratio of the sodium citrate to the citric acid is (2-5): 1. The tableware detergent containing the natural vitamin E and the preparation method of the tableware detergent have the beneficial effects that the detergent has a tableware detergent composition with an oil stain dispersion enhancing effect, the detergent is a formula system containing the natural vitamin E, and a surfactant with more natural plant-based carbon chains is adopted as a main component of the detergent. The composition is a weakly acidic to neutral formula system, and the pH value can be controlled at 6-7.

The utility model discloses a device for water and oil removal of compressed air for instruments, which comprises a box body, an oil removal bin is fixedly mounted in the box body, and a condensation bin is fixedly mounted in the box body. According to the device, moisture in compressed air is removed, the compressed air enters the device and is firstly subjected to internal condensation treatment, a plurality of copper pipes are mounted in a condensation chamber, and condensation pipes are mounted in the copper pipes, so that the internal temperature is reduced; water in compressed air is condensed at a low temperature, the condensed water is reserved on the surface of a copper pipe and then discharged from a water outlet, the compressed air is preliminarily condensed, subjected to oil removal treatment and then conveyed into a mixing bin, and dry compressed air can be continuously conveyed into the mixing bin to be mixed with the condensed compressed air, so that the compressed air is mixed with the compressed air after being subjected to oil removal treatment. And a small amount of water remaining inside is removed, and the drying effect of the compressed air is improved.

The present application relates to the field of textile technology, and more specifically, it relates to a dyeing process for improving fabric floating color and color stains. A dyeing process for improving fabric floating color and color stains comprises the following steps: pre-shrinking: first immersing the grey cloth in water, then immersing it in a first degreasing agent aqueous solution, and finally washing it with water to obtain a pre-shrinked grey cloth; the degreasing agent in the first degreasing agent aqueous solution is degreasing agent DO-1173; degreasing: immersing the pre-shrinked grey cloth in a second degreasing agent aqueous solution, and then washing it with water to obtain a degreasing grey cloth; dyeing: dyeing the degreasing grey cloth in a dye bath to obtain a dyed grey cloth; reduction cleaning: performing reduction cleaning on the dyed grey cloth to obtain a grey cloth treated by a dyeing process. The dyeing process of the present application can reduce the oil content of the grey cloth, reduce the influence of oil stains on the surface of the grey cloth on the coloring of the grey cloth, and effectively improve the problem of floating color and color stains after fabric dyeing.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

The invention provides a multistage steel ball cleaning production line which comprises a plurality of ultrasonic cleaning pools arranged in sequence, a steel ball box and a box moving mechanism, cleaning chambers are formed in the top faces of the ultrasonic cleaning pools, the steel ball box is matched with the cleaning chambers in an inserted connection mode, steel ball grooves are formed in the top face of the steel ball box, a box handle with a handle hole formed in the top face is arranged on the top face of the steel ball box, and the box moving mechanism is arranged on the box handle. The box moving mechanism comprises connecting rods arranged on the two sides of the ultrasonic cleaning pool, a top plate arranged at the tops of the connecting rods, a box hooking device arranged below the top plate in a sliding mode and a driving assembly, the box hooking device comprises a box hooking insertion column matched with the handle hole in an inserted mode and a box hooking frame arranged on the outer side wall of the box hooking insertion column, and a box hooking column groove is formed in the top face of the box hooking insertion column; the outer side wall of the box hooking insertion column is provided with box hooking guide holes, a box hooking clamping piece is arranged in each box hooking guide hole in a sliding mode, and a clamping piece push-pull assembly is arranged in the box hooking column groove. According to the multi-stage steel ball cleaning production line, three-stage ultrasonic cleaning can be automatically conducted on steel balls, and the oil removing effect is good.

The invention provides an efficient-degradation oil removal strain, an oil removal microbial preparation, an oil removal product and application of the efficient-degradation oil removal strain, the oil removal microbial preparation and the oil removal product, the oil removal strain is classified and named as bacillus sp. ZhaoKe-MT and is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC NO: M 20241736, and the preservation date is August 5, 2024. The invention provides a novel oil removal strain which has high degradation activity on oil stains in a medium-temperature environment, and the application range of a microbial degradation technology is expanded.

The utility model relates to the technical field of oil removing equipment, in particular to an oil removing device for a stainless steel band, which comprises an unwinding mechanism, a liquid spraying mechanism, a cleaning mechanism, a drying box and a winding mechanism which are sequentially arranged along the moving direction of the stainless steel band, when the stainless steel band is subjected to oil removal operation, the two liquid spraying pipes are located on the two sides of the stainless steel band correspondingly, a plurality of liquid spraying holes are formed in the sides, close to the stainless steel band, of the liquid spraying pipes and are sequentially distributed in the vertical direction, and the hole diameters of the liquid spraying holes are sequentially reduced from top to bottom in the vertical direction. Alkaline liquid is sprayed on the stainless steel band through the liquid spraying holes so that the alkaline liquid can make contact with oil attached to the stainless steel band, waste of the alkaline liquid can be avoided in the mode, meanwhile, the liquid spraying holes with the hole diameters sequentially reduced can achieve the effect that the alkaline liquid can be evenly attached to the surface of the stainless steel band, and waste of the alkaline liquid is further avoided.

The utility model relates to a circulating filtering structure for galvanized sheet degreasing equipment, which belongs to the field of galvanized sheets and comprises a filtering mechanism arranged on the outer side of the degreasing equipment, and the filtering mechanism comprises an external hanging frame and a circulating filtering box. According to the circulating filtering structure for the galvanized sheet degreasing equipment, the two filters are arranged in the circulating filtering box, alternate filtering can be achieved, by arranging a pull rod and a handle, an operator can adjust the position of a partition plate according to needs, so that a corrugated pipe is driven to the positions above different filters, and then degreasing fluid is controlled to flow to different filters; the corrugated pipe enables degreasing fluid to be guided from degreasing equipment to the filters to be filtered to remove impurities and fat in the degreasing fluid, when one filter is filtering, the other filter can be cleaned or replaced, the continuity of the filtering process is guaranteed, the filtered and purified degreasing fluid is output through the output pipe and can be recycled, and the cost is reduced. And the consumption of the degreasing fluid is reduced.

The application discloses a front-mounted natural gas oil removal drying device applied to the technical field of oil removal devices, and the natural gas is conveyed into a drying tank body, so that the natural gas is floated in the form of bubbles through a gas surge pipe into a clean water tank, and the flowing direction of the pure water in the clean water tank to the drying tank body effectively prevents the water in the drying tank body from entering the clean water tank along with the bubbles, further effectively prevents oil from entering the clean water tank, realizes the separation of the natural gas and the oil, utilizes the natural gas bubbles which are concentrated and floated by the extension pipe, and drives the pure water in the clean water tank to rise along with the bubbles in the extension pipe by the water guide paddle wheel, so that the natural gas is released from the top end of the extension pipe, the pure water which rises along with the bubbles is overflowed from the top end of the extension pipe, the pure water is effectively prevented from staying in the natural gas release area, the oil which is left on the liquid surface of the pure water is effectively prevented from contacting the natural gas, and the oil removal effect of the natural gas is further improved.

The utility model discloses a construction wastewater isolating, precipitating and purifying device which comprises a vehicle body, universal wheels are arranged at the bottom of the vehicle body, the interior of the vehicle body is divided into a filtering and deoiling area, a reaction area and a purifying area, a filtering plate is arranged in the middle of the filtering and deoiling area, a sewer pipe is arranged on one side of the filtering plate and communicated with the space below the filtering plate, and a treatment cover is arranged above the filtering plate. A movable oil absorption net is vertically inserted into the treatment cover, the reaction area is arranged between the filtering oil removal area and the purification area, a chemical feeding opening is formed in the upper portion of the reaction area, a movable filtering net is arranged on the lateral upper portion of the purification area and communicated with a water outlet of the reaction area, and a purification layer is arranged below the purification area. Outlets are formed in the side lower parts of the filtering oil removal area, the reaction area and the purification area. The purification device has the working procedures of filtration, oil removal, reaction, slag removal and the like, adopts a movable structure, can simply, conveniently, timely and quickly treat wastewater, and is low in treatment cost and high in treatment efficiency.

The utility model relates to the technical field of color plate treatment, and discloses a deoiling device for improving the pretreatment effect of a color plate, which comprises a liquid storage tank, the right side of the liquid storage tank is fixedly connected with a fixed rod, the top of the fixed rod is fixedly connected with a motor, and the output end of the motor is fixedly connected with a turntable; a clamping column is fixedly connected to the position, close to the edge, of the right side of the rotating disc, a pentagonal gear is rotationally connected to the outer wall of the clamping column, a rotating rod is fixedly connected to the position, close to the middle, of the left side of the pentagonal gear, a connecting cylinder is fixedly connected to the outer wall of the rotating rod, and a second connecting column is rotationally connected to the right side of the outer wall of the connecting cylinder. According to the oil removal device, the motor is started to drive the rotating disc to rotate, then the rotating disc drives the clamping column to rotate, at the moment, the clamping column is clamped in the groove of the pentagonal gear after rotating for one circle, the pentagonal gear is driven to rotate until the clamping column rotates away from the pentagonal gear, oil removal can be conducted twice, and the oil removal effect is better.

The utility model relates to the technical field of surface treatment, discloses a pre-plating ultrasonic oil removal device for an electroplated part, and solves the problems that an existing pre-plating oil removal device for the electroplated part is poor in ultrasonic field uniformity, difficult in multi-angle synchronous cleaning and poor in oil removal effect. A sealing cover is arranged at the top end of the treatment tank, a liquid inlet pipe and a liquid outlet pipe are arranged on one side of the treatment tank, a valve and a filter are arranged, and an observation window is further arranged for facilitating observation. The cleaning assembly on the other side can spray a cleaning agent, and ultrasonic transducers are evenly distributed on the inner wall of the cleaning assembly. The reverse funnel structure is arranged at the bottom of the tank, impurity concentration is facilitated, the L-shaped supporting arm baffle, the sealing shaft seat, the rotating disc frame, the filter cylinder and the driving motor can drive electroplated parts to rotate, the cleaning uniformity is improved, the heating coil and the temperature controller can accurately control the temperature of cleaning liquid, and the special oil stain cleaning effect is improved.

The invention discloses a bearing steel spheroidizing annealing technology which comprises the following steps: cleaning bearing steel in a modified maleopimaric acid lauramide sodium dicarboxylate solution, taking out the bearing steel, washing the bearing steel with water, and drying the bearing steel to obtain the cleaned bearing steel; the method comprises the following steps: heating the cleaned bearing steel to 900-1100 DEG C for the first time in an electric pulse manner, preserving heat, cooling to 600-700 DEG C, preserving heat, cooling to room temperature, heating to 650-750 DEG C for the second time, preserving heat, cooling to 500-700 DEG C, cooling to room temperature, heating to 800-900 DEG C for the third time, preserving heat, cooling to room temperature, heating to 120-200 DEG C for the fourth time, preserving heat, cooling to room temperature, and cooling to room temperature. And annealing to obtain the annealed bearing steel. The method is used for solving the technical problem that the bearing steel after spheroidizing annealing is unstable in quality.

This utility model discloses a steel strip degreasing device, relating to the field of steel strip processing technology. It includes a base and a support column. The first oil-absorbing mechanism includes a support rod, a fixed plate, a first mounting seat, a first mounting plate, a first socket, and a first oil-absorbing strip. The fixed plate is fixedly mounted on the support rod, and the first mounting seat is fixedly mounted on the fixed plate. The first mounting seat has a first mounting groove, and the first mounting plate is inserted into the first mounting groove. The first socket is fixedly mounted on the first mounting plate, and the first socket has a first slot. The first oil-absorbing strip is inserted into the first slot. By setting two sets of first and second oil-absorbing mechanisms, the surface oil stains of the steel strip are double-absorbed and cleaned, thereby improving the degreasing effect. Furthermore, the insertion and arrangement of the first mounting plate, the first oil-absorbing strip, the second mounting plate, and the second oil-absorbing strip allows for quick and convenient replacement of the first and second oil-absorbing strips. The operation is simple and convenient, and it has strong practicality.

The utility model is suitable for the technical field of steel pipe processing, and provides an inclined rail type steel pipe oil removal device which comprises a supporting table and a connecting seat, a top plate is rotationally matched between the two connecting seats; the oil removal mechanism is arranged on the bottom side of the top plate; the oil removing mechanism comprises a vertical plate arranged on the bottom side of the top plate; a screw rod is rotationally connected between the vertical plate and the top plate; a connecting block is in threaded fit with the screw rod; a cleaning block is fixedly installed on the bottom side of the connecting block, and a through groove is formed in the cleaning block in a penetrating mode. The reset springs are arranged in the through grooves, and cleaning scraping plates are arranged on the opposite sides of the reset springs; by arranging the oil removal mechanism, the cleaning block can move back and forth, so that the cleaning scraper automatically scrapes the outer side of the steel pipe, oil stains on the surface of the steel pipe can be efficiently removed, the cleanliness of the steel pipe is improved, and the practicability and the safety of the device are further enhanced; and the cleaning scraping plate can be kept stable in the oil removal process of the steel pipe, and damage to the steel pipe is avoided.

The application belongs to the technical field of surface treatment of ferrous metal workpieces, and discloses a black metal workpiece surface oil stain rapid cleaning pretreatment device, which comprises an ultrasonic cleaning tank, an ultrasonic generator is arranged in the ultrasonic cleaning tank, a bearing table is arranged on the inner bottom surface of the ultrasonic cleaning tank, a support plate is connected to the top surface of the bearing table through a key, and a stand is fixedly connected to the top surface of the support plate. The application adopts the cleaning mode of ultrasonic waves, utilizes the violent vibration of ultrasonic waves in the cleaning agent, can quickly strip the oil stains on the surface of the ferrous metal workpiece, has a high cleaning speed, can effectively remove the oil stains on the recesses, gaps and other parts of the workpiece surface, has a good oil stain removal effect, the design of a plurality of workpiece hooks can mount a plurality of ferrous metal workpieces at a time, simultaneously performs rapid oil stain cleaning pretreatment on the surfaces of the plurality of ferrous metal workpieces, greatly improves the cleaning efficiency, and meets the demand of batch production.

The invention belongs to the technical field of deep processing of agricultural products, and particularly relates to a production method of low-oil vegetable and / or edible mushroom vacuum-fried crisp chips. According to the method, the vegetables and / or the edible mushrooms are subjected to vacuum frying treatment, then the crisp chips subjected to vacuum frying are subjected to deoiling in a subcritical deoiling mode, and the use crisp chips which are relatively low in oil content and good in crispness are obtained by adjusting the conditions of subcritical deoiling temperature, deoiling time, deoiling media and the like. The method has the beneficial effects that the vacuum frying technology and the subcritical extraction technology are combined, so that the grease content of the edible crisp chips is greatly reduced, the probability of oxidative rancidity of the crisp chips in the storage process is reduced, and meanwhile, the crisp mouth feel of the crisp chips can also be ensured.

The invention relates to the technical field of circuit board manufacturing, in particular to an efficient acidic cleaning agent and a preparation method and application thereof. An efficient acidic cleaning agent is prepared from the following raw materials in parts by mass: 22-28 parts of organic acid, 4-6 parts of monoethanolamine, 2-3 parts of a complexing agent, 1-3 parts of a corrosion inhibitor, 5-8 parts of a surfactant, 10-12 parts of a stabilizer, 5-7 parts of asparagine-choline ionic liquid, 0.1-0.2 part of a defoaming agent and 80-100 parts of deionized water. According to the efficient acidic cleaning agent, through the synergistic effect of multiple components, the rapid and excellent oil removal effect is achieved, and meanwhile metal on the surface of a circuit board is protected against corrosion. All the components are matched with one another in the cleaning process and play respective roles together, so that the cleaning effect and the safety are improved.