868results about How to "Avoid adsorption" patented technology

The invention relates to an antibacterial and anti-fouling ceramic product glaze and a preparation method, and belongs to the technical field of ceramic product glaze preparation, the ceramic product glaze comprises the following raw materials: a component A: a base material, a water glass solution, a sodium bicarbonate solution, a gadolinium nitrate solution, a europium nitrate solution, a silver nitrate solution and sodium cocoate; and the component B comprises the following components: dimethoxy methyl (3, 3, 3-trifluoropropyl) silicon, polysiloxane, dodecenyl succinic anhydride, gamma-methacryloxy propyl trimethoxy silane and white gasoline. Silver nitrate serves as a main material, europium nitrate serves as an auxiliary material, gadolinium nitrate excites the activity of silver and europium ions, and the silver nitrate, the europium nitrate and the gadolinium nitrate cooperate, so that the prepared ceramic product glaze has excellent antibacterial performance; sodium cocoate is added to form a steric hindrance effect, so that agglomeration among system particles is inhibited, and the antibacterial property of the glaze is enhanced; according to the anti-fouling glaze disclosed by the invention, the dimethoxymethyl (3, 3, 3-trifluoropropyl) silicon and the polysiloxane are added, so that the prepared glaze has a lasting anti-fouling effect.

The invention relates to the technical field of metal wire drawing, and discloses an automatic metal wire drawing machine which comprises a workbench, supporting frames are fixedly connected to the top of the workbench, a protective box is fixedly connected between the inner sides of the supporting frames, and arc-shaped circular truncated cones are symmetrically and fixedly connected to the inner walls of the protective box; a drawing die is arranged in a gap formed between the two arc-shaped circular truncated cones, the inner wall of the drawing die is fixedly connected with the outer walls of the two arc-shaped circular truncated cones, the drawing die is located in the protection box body, and the drawing die is arranged in the protection box body, so that scraped lubricating powder cannot be scattered into air outside the device, and the lubricating powder is prevented from being scraped off. The scraped lubricating powder can be repeatedly used through the conveying assembly and the vibration assembly, the situation that the lubricating powder is scattered into the environment is avoided, dust pollution in air and a working place is reduced, the scraped lubricating powder is effectively and rapidly recycled into the powder rolling assembly, waste and frequent cost supplement are avoided, and therefore the production cost is reduced.

The invention discloses a polyamide composite membrane based on a nanobubble-assisted free interface polymerization strategy and a preparation method and application of the polyamide composite membrane. Nanobubble precursors of different types and concentrations are loaded in a water-phase solution by a chemical method, and the polyamide composite membrane is prepared by means of reaction between the precursors and water or self-decomposition of the precursors. Nanometer bubbles are pre-constructed in a water phase solution, and under a free interface polymerization process, by utilizing upward migration of the nanometer bubbles at a neutralization phase interface of the water phase solution, hierarchical regulation and control of a polyamide separation layer structure are realized from bottom to top; according to the polyamide composite membrane, the bottom opening characteristic, the internal nano-cavity structure and the surface morphological characteristic of the polyamide separation layer are effectively improved, the transmembrane transmission rate of water molecules is remarkably increased, the hydraulic resistance is reduced, and the water flux of the membrane is remarkably improved on the premise that the salt rejection rate of the polyamide composite membrane is not sacrificed.

The invention relates to the technical field of metal grinding, and discloses a movable automatic measuring and calculating grinding device suitable for a vertical side face, which comprises two mounting frames and a lifting assembly arranged in the two mounting frames; the translation assembly is arranged on the surface of the lifting assembly; the device comprises a translation assembly, a translation mounting plate arranged on the surface of the translation assembly, a polishing assembly arranged in a mounting screw block, a mounting box arranged on the surface of the polishing assembly, a cleaning box arranged in the mounting box, and a scrap suction assembly arranged in the cleaning box; through cooperative use of a mounting box and a scrap suction assembly, a third driving motor drives a second screw block to move through a second screw rod, so that the second screw block drives a fixed rod to move through a movable block, an electromagnetic roller makes contact with the vertical side face of metal, and in the moving process of the fixed rod, the electromagnetic roller rotates on the surface of the fixed rod; and therefore, chippings on the surface of the metal vertical side face are adsorbed, and the effect of preventing residues is achieved.

The invention relates to an antistatic functional plastic and a preparation method thereof, and belongs to the technical field of high polymer materials. The plastic with the antistatic function comprises the following components in parts by weight: 80-100 parts of polystyrene resin, 10-20 parts of glass fibers, 1-5 parts of an antioxidant, 2-8 parts of a light stabilizer, 5-10 parts of a modified antistatic agent and 0.3-0.6 part of a modified flame retardant, anhydride groups in the modified antistatic agent are dehydrated at a high temperature to form a conductive layer, static accumulation is effectively reduced, the anhydride groups and quaternary ammonium salt have a synergistic effect on static elimination characteristics and strong adsorption capacity, and meanwhile, the combustion speed is remarkably slowed down through heat absorption and catalysis of maleic anhydride; in the modified flame retardant, an alpha-amino alkyl phosphonate compound is decomposed to generate phosphorus-containing free radicals, a combustion chain is interrupted, nitrogen is released to inhibit combustion, the alpha-amino alkyl phosphonate compound and DOPO cooperate for flame retardance, the flame retardant efficiency is improved, and the prepared antistatic functional plastic has a good antistatic function and also has excellent flame retardant and tensile properties.

The invention relates to the technical field of cable winding, in particular to a cable winding device for aviation cable processing, which comprises a cable winding device for aviation cable processing, and a cleaning mechanism for cleaning a cable is arranged outside the cable winding device; the cleaning mechanism comprises a driving structure, a water conveying structure and a cleaning structure which are fixedly mounted on the mounting plate; the driving structure comprises a first wire conveying wheel and a second wire conveying wheel which are horizontally arranged; the water conveying structure comprises a vertically-arranged pump shell and a transversely-arranged valve pipe. According to the cable winding device, a cable can be cleaned during winding, meanwhile, static electricity of the cable is eliminated, overall stable winding of the cable is effectively guaranteed, winding work of the winding device on the cable is facilitated, friction force generated in the conveying process of the cable provides rotating power for the first cable conveying wheel and the second cable conveying wheel, the power transmission mode is simple and direct, and the power transmission efficiency is improved. Extra energy input is not needed, and the energy consumption cost is reduced.

The invention discloses a multi-channel dividing and cutting machine capable of dividing and cutting paper of different specifications, and relates to the technical field of dividing and cutting machines. The multi-channel dividing and cutting machine specifically comprises a rack, a dividing and cutting structure is arranged in the middle of the rack, and conveying structures are arranged on the two sides of the dividing and cutting structure; the slitting structure comprises two fixing plates connected with the rack and an ion fan connected with the rack, the air outlet end of the ion fan is connected with an air blowing plate through an air outlet pipe, the air blowing plate is fixedly connected with the bottom of one fixing plate, the two fixing plates are connected through a supporting rod, and the outer ring of the supporting rod is movably sleeved with a supporting ring. According to the multi-channel dividing and cutting machine capable of dividing and cutting the paper with the different specifications, through the arrangement of the dividing and cutting structure, the multiple cutters can be driven to move at the same time through the movable plate, the cutter position adjusting efficiency is improved, the distance between every two adjacent cutters can be rapidly adjusted according to requirements, and the cutting efficiency is improved. And therefore, the splitting machine can be used for splitting the paper in different specifications, and the applicability of the splitting machine is improved.

The invention discloses a method for synergistically removing nitrate and degrading antibiotics through sulfur autotrophy-heterotrophy, which comprises the following steps: (1) taking an SBR (sequencing batch reactor), inoculating anoxic sludge of a sewage treatment plant, adding CH3NaS, Na2S2O3 and NaHCO3 into influent water containing nitrate, and domesticating the sludge; and (2) after domestication in the step (1) is completed, carrying out anoxic stirring, introducing nitrate-containing wastewater, adding a solution containing CH3NaS and antibiotics into the reactor, carrying out a stirring reaction, determining a first-order derivative of ORP, when the first-order derivative dORP / dt is less than or equal to r, repeating the steps of adding the solution containing CH3NaS and antibiotics, carrying out a stirring reaction, and determining the first-order derivative of ORP for many times, and when the last first-order derivative dORP / dt is less than or equal to r, stopping adding the solution containing CH3NaS and antibiotics. Carrying out anaerobic stirring, precipitating, draining and stopping to complete domestication of the sludge; and (3) introducing wastewater to be treated to remove nitrate and antibiotics. The method provided by the invention can realize sulfur autotrophy-heterotrophy synergistic efficient removal of nitrate and tolerate beta-lactam antibiotic stress.

The invention relates to the technical field of packaging equipment, and particularly discloses potassium monopersulfate compound filling equipment and method.The potassium monopersulfate compound filling equipment comprises a rack, a limiting ring, an unwinding mechanism, an edge sealing mechanism, a sealing mechanism and a discharging pipe; the folding mechanism comprises a lifting assembly, a horizontal moving assembly installed at the lifting end of the lifting assembly, a rotating rod installed at the moving end of the horizontal moving assembly and a driving assembly used for driving the rotating rod to rotate, and two thin rods are installed at one end of the rotating rod. The conveying mechanism comprises a first conveying belt and two second conveying belts which are arranged on the lower side of the edge sealing mechanism and attached to each other, and the first conveying belt and the second conveying belts have an overlapping area in the height direction. The two slender rods drive the plastic film to be folded to form an overlapped area, the horizontal moving device drives the rotating rod to rotate the center line of the plastic film, and the slender rods drive the edge of the plastic film to be folded; the sealing device has the beneficial effect that the sealing effect of the sealing opening of the packaging bag can be improved.

The invention discloses a high-impact material prepared from recycled polypropylene and a preparation method of the high-impact material, and relates to the field of materials. When recycled polypropylene is used for preparing the high-impact material, firstly, polypropylene is grafted with vinyl diphenylphosphine, then the grafted polypropylene is reacted with 1-(3-chlorphenyl)-2-propyn-1-ol, and then the reacted polypropylene is reacted with 6-(methyl formate) pyridine-3-boric acid to obtain modified polypropylene; secondly, the calcium carbonate pretreated by 3-aminopropyltrimethoxysilane reacts with 3-thiophenecarboxaldehyde, thiophene, 6-(thiophene-2-yl) pyridine-2-carboxylic acid and 6-(3-thienyl) pyridine-2-formaldehyde are polymerized on the surface of the calcium carbonate, and modified calcium carbonate is obtained; and finally, carrying out melt blending on recycled polypropylene, modified polypropylene, modified calcium carbonate, sodium cyanide and bismaleimide, and carrying out extrusion granulation to obtain the high-impact material. The high-impact material prepared by the invention has good impact resistance, aging resistance and antibacterial property.

The embodiment of the invention relates to the technical field of nanofluid preparation, in particular to a nanofluid preparation method which is used for mixing metal nanoparticles and alkali metal to form nanofluid and comprises the steps that S1, the metal nanoparticles are coated with solid alkali metal so as to form an integrated piece with the solid alkali metal; s2, adding the integrated piece into liquid alkali metal; and S3, uniformly mixing the integrated piece with liquid alkali metal to form the nanofluid. According to the embodiment of the invention, the nanoparticles are coated with the solid alkali metal to form the integrated piece, and then the integrated piece is added into the liquid alkali metal, so that the metal nanoparticles can be prevented from being adsorbed on the inner wall of a container or a pipeline, and the situation that the ratio of the metal nanoparticles to the alkali metal is not accurate can be avoided.

The invention belongs to the technical field of hydrogel materials, and discloses a carboxylated chitosan modified silicone hydrogel contact lens material and a preparation method thereof. The preparation method comprises the following steps: mixing a siloxane monomer, a zwitterionic monomer, a first cross-linking agent, an initiator and a first organic solvent, and carrying out polymerization reaction to obtain silicone hydrogel; and mixing the silicone hydrogel, carboxylated chitosan, a second cross-linking agent and a second organic solvent, and carrying out a cross-linking reaction to obtain the carboxylated chitosan modified silicone hydrogel contact lens material. The zwitterionic monomer is introduced into the siloxane monomer polymerization process, and the carboxylated chitosan is adopted to modify the silicone hydrogel, so that the protein adsorption resistance and antibacterial property of the contact lens material are effectively improved. Meanwhile, the raw materials are wide in source, the preparation method is simple and easy to operate, and large-scale industrial production can be achieved easily.

The utility model relates to the field of disposable hygienic product equipment, in particular to a novel composite absorption core forming device which comprises a first forming device, a second forming device and a winding device for a composite absorption core, a fluffy cotton input mechanism used for conveying fluffy cotton, a first non-woven fabric input mechanism used for conveying first non-woven fabric and a second non-woven fabric input mechanism used for conveying second non-woven fabric are arranged on one side of the first forming device. A separating mechanism used for separating the first non-woven fabric from the fluffy cotton is arranged between the first forming die wheel and the second forming die wheel, and the separating mechanism separates the first non-woven fabric and the primary composite fabric. The technical problems that in the prior art, when macromolecules are added to the composite non-woven fabric, working efficiency is low, and stability is poor are solved.

The invention discloses continuous coating equipment and a coating method, belongs to the technical field of coating, and solves the problem of inconsistent distribution of coating materials due to non-uniform temperature distribution of a heating source when the heating source of the existing equipment performs thermal radiation evaporation on the coating materials, the equipment comprises an equipment main body, a continuous coating mechanism and a base material placing mechanism, the equipment main body comprises an equipment base, a coating chamber, an access door body and a lofting door body; the continuous coating mechanism comprises a target material assembly, a heating disc group and an auxiliary coating assembly; the device is provided with the auxiliary film coating assembly, the auxiliary film coating assembly is composed of the auxiliary motor and the synchronous linkage part, the technical means that the rotating tubular target material and the reciprocating heating disc set cooperate with each other is adopted, stable shearing force is formed on the released film coating material, and therefore the film coating material evaporated on the base material can be evenly dispersed on the surface of the base material; and therefore, a tight film layer is formed by combining with the base material, and the coating quality of the base material is improved.

The invention discloses a multifunctional electric power instrument, which comprises a front end plate arranged at the front end of an instrument shell, an electric power instrument main body is arranged in the instrument shell, a liquid crystal display screen is arranged at the front end of the front end plate, and a key panel and a buzzing alarm are arranged below the liquid crystal display screen; the threaded through hole is formed in the back of the instrument shell, a connecting socket is arranged at the rear end of the electric power instrument body, a wireless communication module assembly is arranged on one side of the instrument shell, a connecting plug is arranged on one side of the wireless communication module assembly, and the connecting plug and the connecting socket are arranged correspondingly; the back of the electric power meter is provided with a connecting structure, external function expansion can be carried out on the back of the electric power meter, the functionality of the electric power meter is increased, the wireless communication module assembly and the electric power meter are installed, electric power data measured by the electric power meter can be uploaded to a terminal in time, remote monitoring of the electric power meter is achieved, and the use effect of the electric power meter is improved.

The invention relates to the technical field of wastewater treatment, in particular to white board paper coating wastewater recycling treatment equipment and a white board paper coating wastewater recycling treatment process. The white board paper coating wastewater recycling treatment equipment comprises a moving seat, universal wheels are installed at the four corners of the lower end of the moving seat, a treatment frame is installed at the upper end of the moving seat, and a feeding frame is further installed at the upper end of the moving seat and arranged on one side of the treatment frame; a recycling frame is further mounted at the upper end of the moving seat and located on the side, away from the feeding frame, of the processing frame. After wastewater is introduced into the feeding frame, the wastewater is filtered by the filter plate and enters the water outlet cavity, and flocculates are respectively cleaned into the recovery box and the recovery frame by the cleaning brush bristles and the cleaning scraper, so that the flocculates are prevented from being adsorbed on each device, and the wastewater is effectively recovered and treated.

The invention relates to the technical field of silicone rubber foam materials, in particular to high-compression-strength surface hydrophobic silicone rubber foam and a preparation method thereof. The high-compression-strength surface hydrophobic silicone rubber foam comprises the following substances in parts by weight: 300-500 parts of heat vulcanized silicone rubber and 2-8 parts of a hydrophobic modifier, 0.1 to 1.0 part of a photoinitiator; the hydrophobic modifier comprises a compound with a sulfydryl group and a compound with a hydrophobic group. According to the technical scheme, the components of the surface hydrophobic silicone rubber foam are optimized, the heat vulcanized silicone rubber provides necessary mechanical strength and durability, and the hydrophobic modifier obtains a hydrophobic or hydrophilic surface on the surface of a polymer through a simple mercaptan-ene click reaction; the method has the advantages of simple preparation process, high selectivity, no by-product, mild reaction conditions and short reaction time, meets the requirements of industrial production, and is beneficial to application in production practice.

The invention discloses a permanent magnet direct-drive top drive motor and an installation method thereof, belongs to the technical field of direct-drive permanent magnet motors, and aims to solve the technical problem of poor heat dissipation performance of a permanent magnet direct-drive top drive motor in the prior art. The motor comprises a main shaft, a stator assembly, a rotor assembly, a cooling assembly and a shell. The rotor assembly comprises a rotor core and a rotor support. The main shaft is connected with the rotor core through the rotor support. The cooling assembly comprises a draught fan, an air guide barrel connected with the output end of the draught fan and an air guide piece arranged in the shell. The air guide sheets and the inner wall of the shell form a first cooling flow channel; the shell comprises an upper end cover and a lower end cover, and a plurality of first ventilation holes are formed in the lower end cover. Cooling air is input by the draught fan, passes through the air guide barrel and the first cooling flow channel and then is output through the first ventilation hole. The permanent-magnet direct-drive top-drive motor provided by the invention is convenient to assemble, high in reliability, good in overall heat dissipation efficiency and long in service life.

The present invention discloses an adiponectin detection kit and a preparation method thereof, wherein the adiponectin detection kit comprises an R1 reagent and an R2 reagent; the R1 reagent comprises the following components: a buffer solution, an electrolyte, a fusogen, a surfactant and a preservative; the R2 reagent comprises the following components: anti-adiponectin monoclonal antibody coated latex particles, a buffer solution, a protective agent, a stabilizer, a preservative and a surfactant; wherein the surfactant is selected from one or two of Tetronic 1307 and castor oil polyoxyethylene ether. The kit of the present invention not only enhances the anti-interference ability of the reagent to special samples such as chyle and lipid turbidity samples, reduces the interference of nonspecific adsorption, improves the accuracy of sample testing, but also enhances the repeatability and stability of the latex reagent by adopting a new surfactant combination in combination with other components in the kit.

The invention relates to an electric cabinet metal plate milling device which comprises a machine tool and a vacuum adsorption carrying table assembly of the machine tool. The assembly comprises an adsorption platform deck, a base and an integrated valve terminal, a negative pressure through hole in the adsorption platform deck is divided into a negative pressure concentration area and a central adsorption area, the bottom is connected with the integrated valve terminal through a pipe joint, and a proximity sensor is arranged on the outer side. Suction force of different areas is subjected to partition management through the integrated valve terminal, and the adsorption force can be dynamically adjusted according to the position of the milling cutter. When the milling cutter approaches, the valve opening degree of the corresponding area is adjusted through the integrated valve terminal, reasonable distribution of suction force is achieved, and the suction requirement of the milling cutter during machining at different positions of a thin plate can be met even if the total suction force is constant. In addition, a chip blowing mechanism is further arranged, chips can be blown away, false alarm of the sensor is prevented, machining reliability and efficiency are ensured, and the milling quality of the electric cabinet thin plate with the thickness being 1 mm is improved.

The utility model relates to the technical field of corn processing equipment, in particular to multi-stage screening equipment for corn seed processing, which comprises a shell, supporting legs, a feeding hopper and the like. The shell is a square shell with an opening in the front side, four supporting legs are fixedly connected to the bottom of the shell at intervals, a feeding hopper is fixedly connected to the left side of the top of the shell, a cover plate is installed on the front side of the shell, and the screening assembly used for conducting classified screening on corn is arranged in the shell. By arranging the screening assembly and the dust removal assembly, corn cobs, corn kernels, corn kernel shred residues and dust can be screened and separated through the screening assembly, screening and separation are thorough, follow-up processing of corn is facilitated, raised dust and deposited dust can be effectively cleaned through the dust removal assembly, and after a cover plate is opened, the whole screening assembly can be taken out of the shell, so that the whole screening assembly is convenient to use. And the sieve plate and the interior of the shell are conveniently cleaned.

The invention relates to the technical field of electronic circuit board manufacturing, and discloses a high-density vacuum screen printing hole plugging machine which comprises an equipment shell, a layering plate is fixedly installed in the equipment shell and divides the interior of the equipment shell into an upper part and a lower part, and an electric rotating disc is fixedly installed on the layering plate. The rotating end of the electric rotating disc is located above the layering plate, four containing plates are fixedly installed at the top of the rotating end of the electric rotating disc and are distributed in a circumferential array mode, a first air cylinder drives a first connecting frame to move downwards, then a vacuum bin is driven to move downwards, and a sealing ring at the bottom of the vacuum bin is tightly pressed on the containing plates; then a closed space is formed and covers the electronic circuit board, clean gas in the clean gas tank is pumped into the vacuum bin through the first pressurizing air pump, on one hand, original air in the vacuum bin is replaced, on the other hand, dust on the electronic circuit board is blown away, and the influence of the dust on the plug hole is avoided.

The invention belongs to the technical field of medical instruments, and particularly relates to test equipment for diagnosis and analysis of biliary tract disease images, which comprises a bottom plate, a frame body fixedly mounted at the top of the bottom plate, a support frame fixedly mounted in the frame body, a lens cone fixedly mounted on the support frame, a converter mounted on the lens cone, and an objective table fixedly mounted on the support frame, an adjusting assembly is arranged in the strip-shaped groove and connected with a supporting plate, a strip-shaped plate is fixedly installed on the supporting plate, and a scraping plate is fixedly installed on the strip-shaped plate. According to the testing equipment for biliary tract disease image diagnosis and analysis, the surface of the objective table can be conveniently cleaned through the arranged scraper, when the objective table is cleaned, a double-output-shaft motor works to drive a threaded lead screw to rotate, when the threaded lead screw rotates, a sliding block moves, synchronous movement is driven through a supporting plate, the scraper makes contact with the top of the objective table, and thus the objective table is cleaned. And when the scraping plate moves, impurities above the objective table can be removed, so that the objective table is cleaned.

The invention belongs to the technical field of dust suppression and recovery equipment, and particularly relates to petroleum coke blending dust suppression and recovery equipment which comprises a treatment box and a hollow box fixedly mounted on the surface of the upper end of the treatment box, and an air extractor is fixedly mounted on the surface of the upper end of the hollow box and used for sucking away dust generated by petroleum coke blending. A guide pipe is connected between the hollow box body and the air extractor in a penetrating mode, an air inlet is formed between the treatment box and the hollow box body in a penetrating mode and used for guiding air into the treatment box, a filter plate is slidably connected to the inner wall of the treatment box and used for separating generated air and dust through filtration, and a sealing opening and closing door is installed on the front face of the treatment box. By arranging the synchronous shaking mechanism, the eccentric wheel can be in contact with the filter plate during use of the filter plate, so that the filter plate can shake up and down in cooperation with an upper telescopic rod and a first spring, and the problem of poor separation effect caused by rapid blockage of the filter plate can be avoided.

The invention discloses a three-sludge treatment agent and a preparation method thereof, and belongs to the technical field of oily sludge treatment, the three-sludge treatment agent comprises a treatment agent A and a treatment agent B. The treatment agent B comprises the following raw materials by mass: 30-40 parts of polyacrylamide, 8-10 parts of modified attapulgite clay, 5-6 parts of a compound, and 40-55 parts of deionized water. The modified attapulgite clay is strongly combined with protective films at oil-water and oil-sludge interfaces in the oil sludge through electrostatic force, hydrogen bonds and hydrophobic interaction, the protective films at the oil-water and oil-sludge interfaces are destroyed, oil drops are released and coalesced to form an oil phase, and separation of oil, water and sludge is achieved; positive charges carried in the modified attapulgite clay can be adsorbed to the surfaces of sludge particles with negative charges to be settled and separated out; carboxyl groups contained in the modified hemicellulose can be combined with hydrophilic groups of sophorolipid to form stable mixed micelles, so that the situation that the sophorolipid is easily influenced by the environment to lose efficacy, and oil drops are regathered and precipitated is avoided.

The invention relates to the technical field of bearing outer ring polishing, and discloses a polishing device for bearing outer ring machining, which comprises a supporting mechanism, the supporting mechanism comprises a supporting frame, supporting legs are fixedly connected to the outer wall of the bottom of the supporting frame, and a connecting rod is fixedly connected to the outer wall of one side, close to the supporting legs, of the supporting frame. When the bearing outer rings are polished, the supporting mechanism and the adjusting mechanism can clamp and fix the bearing outer rings with different diameters and thicknesses, a third motor drives a driving roller so as to drive the bearing outer rings to rotate, and meanwhile balls rolling in supporting rods support the bottoms of the bearing outer rings, so that the bearing outer rings are polished. The bearing outer ring is prevented from shaking in the polishing process, the polishing mechanism positions the bearing outer ring and then machines and polishes the bearing outer ring, in this way, the problem that local polishing is excessive or insufficient can be avoided, and therefore the finished product yield of the bearing outer ring in the polishing link is increased, the product quality is guaranteed, the defective rate is reduced, and the production benefit is improved.

The utility model relates to the field of textile processing, and discloses an efficient winding device for textile processing, which comprises a platform, the top end of the outer wall of the platform is fixedly connected with a fixed plate A, the outer wall of the left side of the fixed plate A is rotatably connected with a rotating shaft, and the outer wall of the right side of the fixed plate A is fixedly connected with a motor. A winding drum is detachably mounted on the surface of the rotating shaft through a locking block, the tension mechanism comprises a fixing plate B, an external circuit is arranged on the outer side wall of a connecting plate, an inserting block is elastically connected to the inner wall of a rotating rod through a limiting spring, and a cleaning mechanism is arranged at the top end of the left side of the platform. According to the cloth flattening device, the flattening roller is heated through the external circuit, the cloth is heated in the process of applying tension to the cloth, so that wrinkles of the cloth are flattened by the flattening roller, meanwhile, the situation that the cloth is not tightly wound enough is avoided during rolling, and the rolling efficiency of the cloth is improved.

The utility model provides an extraction tank for extracting traditional Chinese medicine daphniphyllum calycinum, which relates to the technical field of medicine preparation equipment and comprises a base, a tank body is mounted at the top of the base, a water inlet pipe orifice and a water outlet pipe orifice are respectively mounted on the side wall of the tank body in an inserted manner, a mounting groove is formed in the top of the tank body, and a fixing seat is mounted in the mounting groove. A rectangular frame is installed on the bottom end face of the fixing seat, a jacking assembly is installed in the tank body and located below the rectangular frame, the extraction tank is novel in overall design and simple in structure, through the design of the jacking assembly, the medicine property of medicine can be better released, and the overall extraction efficiency of the extraction tank is higher.

The utility model discloses a goldfish culture system, which relates to the goldfish culture technical field, and comprises a wooden sea, the bottom of the wooden sea is provided with a support, the top opening is fixedly sleeved with a fixing ring, the bottom of the fixing ring is slidably connected with a cleaning assembly used for cleaning the inner wall of the wooden sea, and the top of the fixing ring is fixedly provided with a filtering assembly. A spraying head is fixedly arranged at the top of the filtering assembly through a connecting frame, a water pipe is arranged in the connecting frame, one end of the water pipe is communicated with the spraying head, and the other end of the water pipe extends into the wooden sea. The filtering assembly is arranged, water in the wood sea is filtered in a circulating mode, the water changing frequency is effectively reduced, the inner wall of the wood sea can be automatically cleaned through the cleaning assembly, and the labor intensity of workers is reduced.

The invention relates to aromatic targeting colloid biochar and a preparation method and application thereof, and the method comprises the following steps: taking cellulose-treated crop straws or saccharification residues as raw materials, and carrying out anaerobic pyrolysis to obtain an aromatic biochar template; performing low-temperature air thermal oxidation on the aromatized biochar template to obtain modified biochar; carrying out ball milling on the modified biochar to obtain aromatic targeting colloid biochar; the aromatic targeting colloid biochar is applied to targeted adsorption of polycyclic aromatic hydrocarbon in anionic surfactant leacheate. Compared with the prior art, on the basis that the stability and aromaticity of the hot air oxidation modified biochar are reserved, the biochar is endowed with colloidal characteristics, and efficient targeted adsorption of polycyclic aromatic hydrocarbon in the anionic surfactant leacheate is achieved.