85results about How to "Suitable for high-volume industrial production" patented technology

The invention discloses an organosilicon concrete protective agent and a preparation method. The organosilicon concrete protective agent comprises the main compositions in percent by volume: 50-60% of an alkyl alkoxy silane, 5-10% of terminal-substituted polydimethylsiloxane, 3-5% of an emulsifier, 0.05-1% of a catalyst, 5-10% of a solvent and 20-30% of water. The protective agent is prepared by uniformly mixing the alkyl alkoxy silane, terminal-substituted polydimethylsiloxane and the emulsifier in the organic solvent at room temperature, then adding the catalyst to perform a uniform reaction, then dropwise adding the completely-reacted oil phase system into deionized water, and performing high-speed shearing for obtaining a paste. The preparation method is simple, the coating operation is simple, the cost is low, when the concrete surface is coated with the organosilicon concrete protective agent, a layer of a hydrophobic film is formed along the aperture inner walls of concrete, so that freeze-thaw cycle, chloride ion erosion and the like can be prevented, and the organosilicon concrete protective agent is applicable to facilities such as highways, bridges, tunnels, seaport wharfs, airports and the like, and is applicable to industrialized production.

Cold rolled coil strapping steel having a tensile strength of 940MPa or more comprises 0.10-0.22wt% of C, 0.8-1.5wt% of Mn, 0.01-0.03wt% of Si, 0.020wt% or less of P, 0.020wt% or less of S, 0.020-0.070wt% of Als, and the balance Fe and residual elements. The cold rolled coil strapping steel has the advantages of no containment of alloy elements comprising Nb, Ti or V, low cost, small energy consumption and pollution, simple operation, and suitableness for the large-batch industrial production, and follows low carbon and environmental protection ideas. The strapping steel has a tensile strength of 940MPa or more, an elongation rate of 9% or more, and an alternating bending frequency of 4 or more (R=2.5mm), has no brittle fracture layering phenomenon, and has a flexibility of 25.4mm/2.4m or less and a camber of 2.0mm/m or less.

The invention relates to a laser scanning processing device which comprises a galvanometer scanning focusing module, a positive pressure gas chamber and/or a negative pressure gas chamber, and an air-blowing mask template, wherein a distributed air-blowing ports are formed by presetting the thickness of the air-blowing mask template, the shapes of air flow windows and the like; and gas, of which the flowing direction is the same as or basically consistent with the transmission directions of lasers transmitting each of air flow windows, is formed by presetting gas pressure difference between a laser incidence surface and a laser emergent surface of the air-blowing mask template. The laser scanning processing device solves a difficult problem in distributed auxiliary air blowing of a galvanometer scanning focusing processing module during large-format laser processing, is a perfect solution of distributed auxiliary air blowing of a laser galvanometer scanning focusing processing method, and is particularly suitable for industrial mass production.

The invention discloses a flexible electrode with carbon fiber wrapped metal oxide for a capacitor and a preparation method. Through surface modification of metal oxide nanoparticles and the like, a flexible membrane that metal oxide nanoparticles are wrapped with a carbon nano fiber (a one-dimensional carbon material) is prepared by using an electrospinning technique, and the flexible membrane can be used in a flexible super-capacitor electrode. Not only is good flexibility achieved, a sufficient buffer space can be provided for volume variation of the metal oxide nanoparticles in operation through the carbon nano fiber, the volume effect of the metal oxide can be reduced, advantages of high specific capacitance, good stability and the like can be achieved, and the properties of a flexible capacitor can be further improved. In addition, methods such as surface chemical deposition or electric deposition are not needed in the production process, and the flexible electrode is simple to operate, controllable in material structure, low in cost and applicable to large-scale industrial production.

The invention discloses an aluminum alloy hub for a super lightweight truck or passenger car, which comprises a rim and a spoke arranged on the rim, wherein the rim is a hollow structure made of an aluminum alloy plate through integral spin forming; the spoke is a hollow part made of an aluminum alloy plate through integral spin forming, and the spoke is connected in the hollow cavity of the rim and is isolated from the rim. The invention also discloses a manufacturing method of the super lightweight aluminum alloy hub for the truck or passenger car. The aluminum alloy hub can be applied to super lightweight trucks and passenger cars.

The invention discloses an integral aluminum alloy spinning hub and a manufacturing method thereof. The method mainly comprises the steps of (1) selecting an aluminum alloy medium-thickness panel as an initial blank; (2), forming the middle material of the aluminum alloy panel to be a hub and pre-forming the edge material of the aluminum alloy panel to be a rim by adopting strong bending spinning; (3) splitting the preformed rim to be a rim front piece blank and a rim rear piece blank by adopting splitting spinning; (4) respectively forming the front piece blank and the rear piece blank to a rim front piece and a rim rear piece by adopting strong thinning spinning. The spinning hub produced by the process is high in material use rate, and the material is subjected to plastic deformation for multiple times and is high in strength; a workblank does not need to be precast, forged or cast, the process is simple, the machining cost is low and the production efficiency is high. The front piece and the rear piece do not need welding and screw connection and have stable mechanical performance and high safety performance.

The invention relates to a microporous light-weight corundum fireproof aggregate and a preparation method thereof. According to a technical scheme in the invention, 55 to 100 wt% of industrial alumina fine powder and 0 to 45 wt% of industrial aluminum hydroxide fine powder or alpha-Al2O3 micro powder are used as raw materials, and the raw materials undergo dry grinding on a ball mill for 0.5 to 3 h at first, then balling in a ball forming mill to obtain a ball blank with a size of 20 to 30 mm and finally rapid sintering in a shaft kiln at a temperature of 1700 to 1950 DEG C so as to obtain the microporous light-weight corundum fireproof aggregate. The preparation method for the microporous light-weight corundum fireproof aggregate is simple and easy and is applicable to volume industrial production; the microporous light-weight corundum fireproof aggregate has the advantages of a small bore diameter, high strength, low thermal conductivity, anti-scouring performance, erosion resistance and the like, can be used in a part where the wall of a steel ladle directly contacts with molten steel, is also applicable to production of iron runners, slide plates, ventilating bricks and the like and to other industrial kilns used in petrochemistry, ceramics and the like and can obviously reduce energy consumption.

The invention belongs to the technical field of inorganic materials and in particular relates to a method for preparing porous magnetic nanoclusters through etching. According to the method, magnetic colloid nanoclusters subjected to surface glycosylation are taken as a precursor, and porous magnetic nanoclusters with high specific surface area are prepared through a one-step etching method. The method comprises the following steps: by taking agarose as a stabilizer, preparing to obtain the magnetic colloid nanoclusters (called magnetic clusters for short) through a solvothermal method; reacting the prepared magnetic clusters, hydrazine, mercaptoacetate molecules and radical initiators, uniformly etching the original magnetic clusters, and obtaining the porous magnetic nanoclusters with high specific surface area. According to the method, the specific surface area of the porous magnetic nanoclusters can be controlled by controlling the reaction conditions. The method is simple in operation and mild in reaction conditions and has high application prospects, and the porous magnetic nanoclusters which are regular in structures and are acid biodegradable can be prepared.

The invention discloses a solvent-type organic silicon stone protectant and a preparation method thereof. The protectant is characterized by comprising the following polymer monomers by volume percent: at least one alkyl alkoxy silane of which the adding volume accounts for 1% to 10% of the total volume of the polymers, at least one polymethylhydrosiloxane of which the adding volume accounts for 1% to 10% of the total volume of the polymers, at least one titanate catalyst of which the adding volume accounts for 0.05% to 1% of the total volume of the polymers, and at least one solvent oil-type organic solvent of which the adding volume accounts for 79% to 97.95% of the total volume of the polymers. The preparation method comprises the following steps: evenly mixing the alkyl alkoxy silane and the polymethylhydrosiloxane in proportion in partial organic solvents at a room temperature; then carrying out a catalytic reaction by adding the catalyst; and finally, adding the organic solvent and diluting to reach a certain concentration. The protectant which has good permeability can be used for deeply protecting stone and is good in air permeability and recoatability. The protectant is simple in preparation method, simple and convenient to coat as well as relatively low in cost, thereby being suitable for industrial mass production.

The invention discloses a preparation method of a high-temperature smoke filter ceramic material with high thermal shock resistance, wherein the method takes beta-cordierite, potash feldspar, spodumene and kaolin as raw materials, takes mullite as additive and takes carbon powder, starch, silicon carbide powder, limestone, sawdust, coal slag and ceramic waste as hole-forming agent; the high-temperature smoke filter ceramic material with high porosity, high thermal shock resistance, high compression strength, excellent filter performance and controllable aperture can be prepared by ball grinding, molding and sintering processes. The source of the pore-forming agent is wide; the die pressing, cold isostatic pressing and casting molding can be adopted, so that the operation is convenient andthe production cost is low; the filter ceramic material has controllable aperture and porosity, and excellent high temperature resistance and thermal shock resistance. The technology provided by the invention solves dust filter problem of high-temperature and wet gas well and also is applied in kinds of fields such as separation and purification, sound absorption, catalyst carrier and the like.

The invention provides a method which processes a bearing channelling cutter with high efficiency by adopting forming grinding, comprising (1) the cutter is designed according to the requirement of a bearing channel and structure and dimension of an electrode used for trimming a grinding wheel is also designed; (2) after the electrode is designed and manufactured, the electrode which is taken as a cathode and the grinding wheel which is taken as an anode are respectively arranged on an ELID trimming system; grinding liquid with electrolysis capability passes through the clearance between the external spherical surface of the grinding wheel and the electrode; under the action of a power supply and the anode solution effect of the electrolysis process, a metal basic body on the surface of the grinding wheel is removed by electrolysis; a metal binder of the grinding wheel which is taken as the anode generates the anode solution effect and is gradually removed and grinding grains which are not affected by the electrolysis are exposed on the surface of the grinding wheel, thus implementing online trimming of the grinding wheel; (3) the profile of the grinding wheel which is trimmed is taken as the anode which is trimmed by the ELID and a corresponding cutter is grinded on the ELID trimming system by taking the hard alloy as the cathode.

The invention discloses a method for preparing carbon aerogel by using waste seaweed residues as a raw material, which comprises the following steps: separating and purifying industrial waste seaweedresidues to obtain seaweed cellulose, and carrying out sol-gel, vacuum freeze drying and high-temperature carbonization processes to finally obtain the carbon aerogel with a controllable structure. The carbon aerogel does not contain substances harmful to organisms or polluting the environment, so that the problems of high raw material cost and limited application range of the existing carbon aerogel are solved, and the problem of high-added-value development and utilization of the waste seaweed residues is also solved. The method is simple to operate and short in preparation period, the material structure is controllable, the production process is environment-friendly and safe, and the method is suitable for large-scale industrial production.

The invention belongs to the technical field of medicines and in particular relates to a preparation method of chick embryo extract. Chick embryos are percolated and extracted by utilizing alcohol liquid; a production process is relatively simple; the disadvantage that effective components are damaged by high-temperature extraction is overcome and the disadvantages that a previous process is complicated, low-temperature operation is not easy to control and requirements on equipment are high are also overcome. The chick embryo extract can be used for a traditional Chinese medicine prescription or is singly used; the extract provided by the invention is used for resisting fatigue and improving the immunity and has the advantages that the bioavailability is high and the extract is suitable for large-scale mass production.

The invention discloses a silver/silver chloride electrode slice and a preparation technology thereof, and belongs to the field of electrochemical sensors. The silver/silver chloride electrode slice comprises a supporting layer, a silver layer, a protection layer and a silver chloride layer. The preparation method for the silver/silver chloride electrode slice comprises plating the silver layer on the supporting layer through a vacuum silver-plating manner, then covering the protection layer on a part of the silver layer, and finally preparing the silver chloride layer through a chemical oxidation process, so as to prepare the silver/silver chloride electrode slice. The prepared silver/silver chloride electrode slice overcomes the disadvantages that a conventional silver/silver chloride electrode slice is low in precision, short in response time, bad in signal stability among batches, not suitable for organic environment and tedious in preparation technology, and the like. The silver/silver chloride electrode slice is stable in electric potential performance, high in precision, low in signal to noise ratio, low in impedance, short in response time, low in production cost, high in production efficiency and suitable for large-scale industrial production.

The invention belongs to the field of tables and chairs, and particularly relates to a handheld combined table and stool. The handheld combined table and stool is characterized in that a tabletop is unfolded as a suitcase and composed of two half tabletop bodies; the two half tabletop bodies are hinged together, and two sides of the tabletop are fixedly connected with carrying handles respectively; the four corners of the back of the tabletop are movably connected with foldable table legs, the table legs are fixedly provided with sliding rails through adjustable locating hoops, a supporting frame is fixedly connected with the table legs through the sliding rails, and a stool surface is arranged on the supporting frame and connected with the supporting frame in a rotating mode. The handheld combined table and stool has the advantages that the structure is simple, folding is convenient, the height of the stool surface is adjustable, carrying is convenient after the handheld combined table and stool is folded, and the handheld combined table and stool is small in size, light in weight, low in cost, convenient to carry and store after being folded in a suitcase mode, and capable of being placed in a sedan trunk and bringing convenience to floating personnel to enable the floating personnel to go out, travel and take vehicles conveniently.

The invention discloses a composite material bipolar plate for a proton exchange membrane fuel cell and a manufacturing method thereof, and belongs to the field of fuel cells. The composite material comprises the following components in part by mass: 60 to 80 parts of conductive filler, 20 to 40 parts of phenolic resin, and 1 to 5 parts of fiber reinforcing agent; the conductive filler is graphite and/or metal; the mass ratio of the graphite to the metal is 1:1-3:1; the manufacturing method comprises the following steps of: preparing 60 to 80 mass percent absolute ethanol solution from a phenolic resin; mixing the absolute ethanol solution, the graphite and the fiber reinforcing agent and preparing a block material; scattering the metal which is presoaked in 1 to 10 mass percent phenolic resin absolute ethanol solution, and coating on the block material uniformly; and then heating and performing pressure forming, wherein volume density is 1.90 to 2.50g/cm<3>; bending strength is 60 to100MPa; and conductivity is 5.0*10<4> to 3.0*10<5>S/m. The raw materials are easily obtained, the manufacturing process is simple, and the bipolar plate is low in cost and is suitable to be industrially produced on a large scale.

The invention discloses a vacuum circuit-breaking switch contact material preparation method and water-cooled mould equipment used by the method. The preparation method includes that copper and chromium are melt in a vacuum induction furnace to form alloy liquid, and then the melt alloy is cast into casting blanks. The concrete process parameters include: the vacuum degree is less than 1*10<-1>Pa, the heating temperature range is 1600-1950 DEG C according to the proportion of chromium content, when chromium is melted completely, the stirring refinement process lasts for 20 min, and then the alloy melt is injected into a water-cooled mould equipment with cooling water on periphery, and the casting temperature is maintained at 1600-1800 DEG C. The contact material prepared by the method has compact structure and fine crystalline grains, improves the electrical conductivity, reduces gas content, realizes large-size ingot blank and has high qualified rate; besides, the production equipment is general, the production cost is low and the mass production can be realized more easily.

The invention discloses a method for improving visible light transmittance of a vanadium dioxide film by using dilute sulfuric acid etching. A vanadium dioxide film, prepared through combining magnetron sputtering and rapid annealing, is etched by adopting a dilute sulfuric acid treatment mode, and the continuous planar vanadium dioxide film is etched into separate particles in an acid treatment manner in a whole preparation process, so that the porosity of the film is improved. According to the method disclosed by the invention, required process conditions are low and are easily controlled, and the visible light transmittance of VO2 can be effectively improved. A vanadium metal film is sputtered firstly, then, thermal annealing oxidation is carried out, and finally, soaking etching is carried out by using dilute sulfuric acid, so that the manufacturing cost is low, and the method is applicable to large-batch industrial production.

The present invention discloses a tenofovir disoproxil fumarate analog preparation method, which comprises: carrying out a substitution reaction on adenine as a raw material and (R)-propylene carbonate in the presence of an alkali, carrying out a substitution reaction with (diethoxyphosphoryl)methyl-4-methylbenzenesulfonate, hydrolyzing with a concentrated hydrochloric acid solution, crystallizingto obtain anhydrous tenofovir, carrying out a reaction on the anhydrous tenofovir and chloromethyl isopropyl carbonate to obtain tenofovir monoester, and carrying out a reaction with 2-bromopropane to obtain the target compound. According to the present invention, the selected starting raw materials are inexpensive and easy to obtain, the process is simple, and the material utilization rate and total yield are improved; and the intermediate of the method is purified by re-crystallization, such that the yield is high, and the purity is high.

The invention discloses compound blumea balsamifera tissue-regeneration gel capable of promoting repair of skin ulcer wounds and a preparation method thereof in the technical field of medical health and belongs to the field of medicine. The compound is prepared by blumea balsamifera (L-borneol), nitric oxide (NO) and suitable excipients, and the gel is composed of A glue and B glue. The gel is mainly used for treatment of diabetic skin ulcers and can also be used for treatment of burns, wound repair, scleroderma, other types of skin ulcers and other symptoms. The gel is easy to clean, high inhydration degree, appropriate in consistency and viscosity, easy to apply and use and good in stability, does not contaminate clothes, facilitates drug absorption and has the functions of moisturizingand protecting wounds.

The invention discloses a water surface cleaning device, and particularly relates to a water surface fishing robot. In a structure of the water surface fishing robot, a first ranging sensor monitors an offshore distance in the forward direction of the water surface fishing robot, and a second ranging sensor monitors an offshore distance in the left and right direction; a first motor drives a pairof brush wheels to rotate in different directions, and any one of the brush wheels can be independently rotated by controlling a pair of electromagnetic clutches; a second motor drives the water surface fishing robot to operate back and forth; and a controller judges and determines the respective offshore distances in the forward direction and the left and right direction of the water surface fishing robot according to electrical signals of the first ranging sensor and the second ranging sensor, switches the working states of the first motor, the second motor and the electromagnetic clutches,and can automatically adjust the operating state and path of the water surface fishing robot. The water surface fishing robot is capable of automatically controlling the operating state and path, andhas the advantages of being intelligent and multifunctional.