94results about How to "Easy for industrial control" patented technology

The invention discloses a low-resilience liquid accelerator for shotcrete and a preparation method thereof. The accelerator is prepared from the following raw materials in percent by mass: 20%-40% of sodium hydroxide, 25%-40% of aluminium hydroxide, 3%-10% of a synergist, 0.5%-2% of a setting accelerator, 0.003%-0.02% of a viscosity adjusting agent, and the balance water, wherein, the synergist is sodium silicate, the setting accelerator is an alcohol amine substance, and the viscosity adjusting agent is potassium chromate or sodium nitrite. The preparation method comprises the following technical steps: adding sodium hydroxide and the synergist into a reaction kettle, adding water, and starting an agitator and a heater; keeping the temperature after the temperature reaches a set temperature, adding aluminium hydroxide, and reacting with the constant temperature; adding the viscosity adjusting agent, stirring, heating, reacting with a constant temperature, then stopping heating, and naturally cooling; and adding the setting accelerator after the reaction system is cooled, and cooling to room temperature, so as to obtain the accelerator. The accelerator is short in setting time, low in resilience and moderate in viscosity, generates a little sediment, has good cement adaptability, and the preparation method for the accelerator is simple, practicable and energy-saving.

The invention discloses a high-temperature biomass micron fuel. The high-temperature biomass micron fuel comprises 75 to 100 mass percent of vegetable fiber powder and the balance of additive, wherein the additive is at least one of coal powder, lime powder and red mud; and more than 70 percent of the vegetable fiber powder has the grain diameter of less than 250 mu m. Because the specific surface area of the biomass micron fuel is large, the biomass micron fuel can finish solid-gas conversion instantly under the action of the high temperature of a hearth and is decomposed to be combustible gases such as hydrogen (H2), carbon monoxide, methane and the like; the combustible gases combust with oxygen rapidly and vigorously; the energy is released in an explosive model; a high-temperature effect is formed; and the combustion temperature can reach over 1,300 DEG C and the fuel efficiency is over 96 percent. Compared with the traditional method, the method using the high-temperature biomass micron fuel has the advantages that the combustion temperature is increased by about one time and the combustion efficiency is increased by more than one time. The common biomass fiber material can perform fluidization transportation by a micron technique so as to form a high-grade fluid fuel near the grade of fuel oil and fuel gas. The high-temperature biomass micron fuel can be widely applied to thermal power generation, metal melting, the desalination of sea water, urban heating, lime burning, heating air conditioners, industrial heating and the like.

The invention relates to a method for optimizing multi-objective parameters based on a fuzzy analysis and visualization technology, which provides an effective measure for processing, analysis, optimization and prediction of parameter data in an industrial process. The method comprises the following steps of: classifying the data by an evolution algorithm and the conventional fuzzy C average clustering hybrid algorithm to select an optimized data set; improving the conventional non-linear mapping evaluation function, introducing a distance error weight and a differentiation factor to ensure that a dimension reduction error of a distance between the farthest point and the nearest point in the data set is smallest to the greatest extent, concentrating the dimension reduction error on secondary information, procedurally solving by a fastest reduction method, and finally reducing high-dimensional spatial data to a two-dimensional plane; and finally, performing axis mapping on multi-dimensional data along each dimension, drawing contour lines, observing influences and optimization potentials of all the parameters on operating points to provide abundant intuitive information for people, repeatedly selecting the points, performing inverse mapping, and reducing to an actual operation space to fulfill the aim of parameter optimization.

The invention discloses blending regeneration cotton yarn with the antimould effect. The cotton yarn is characterized by being manufactured by, by weight, 40-43 parts of waste cotton fabrics, 10-12 parts of cotton yarn leftover materials, 5-7 parts of bamboo charcoal fibers, 1-2 of Guran glycine, 0.5-0.7 part of cetyl trimethyl ammonium bromide, 3-4 parts of hydroxypropyl starch, 4-6 parts of hydroxyl silicone oil emulsion, 39-44 parts of polypropylene, 3-5 parts of nano-zinc oxide, 12-14 parts of liquid paraffin, 9-10 parts of nano-titanium dioxide, 1.5-2 parts of carboxymethyl cellulose, 1-2 parts of glyceryl stearate, 0.4-0.6 part of cason and a proper amount of water. The cotton yarn is formed by blending two kinds of fiber, is high in strength, good in toughness and resistant to wear, and makes up the shortcoming of pure-cotton fiber; by means of respective modification, the sunscreen effect is improved, the anti-microbial and antimould effects are good, the storage time is long, the process can be controlled conveniently in an industrial mode, and the product quality is high.

The invention discloses a straw added fireproof high-density fiberboard. The straw added fireproof high-density fiberboard is characterized by being composed of, by weight, 42-45 parts of crop straw, an appropriate amount of sodium hydroxide with the concentration being 2%, an appropriate amount of water, 1.5-2 parts of a silane coupling agent kh450, 66-70 parts of ethyl alcohol with the concentration being 95%, 30-32 parts of wood scraps, 4-6 parts of aluminum hydroxide, 2-3 parts of zinc borate, 7-8 parts of waterborne polyurethane adhesives, 1.5-2 parts of emulsion paraffin and 1-2 parts of pure acrylic emulsion. According to the straw added fireproof high-density fiberboard, while fibers are modified, the aluminum hydroxide, the zinc borate and other flame retardant components are added and attached to the surfaces of the fibers and in gaps, and the fireproof performance of the product is greatly improved. The straw added fireproof high-density fiberboard is simple and scientific in component matching, the technology is easy to industrially control, forming speed is high, and the manufactured fiberboard is good in waterproof and fireproof performance, uniform in density, free of deformation and suitable for application in the industries of furniture, building materials, packaging, decoration and the like.

The invention discloses a full-degradable plastic film used for far-infrared food fresh-keeping. The full-degradable plastic film is prepared from, by weight, 60 to 65 parts of corn starch, 7 to 9 parts of nano montmorillonite, 0.6 to 0.7 part of peanut oil, 1.2 to 1.4 parts of tetrabutyl titanate, 12 to 14 parts of ramie straw, 30 to 35 parts of polyvinyl alcohol, 13 to 15 parts of tributyl citrate, 5 to 7 parts of tourmaline, 2 to 3 parts of chitosan, 1.5 to 2 parts of magnesium stearate, 3 to 5 parts of polyethylene glycol, and 1 to 2 parts of talcum powder. The combination of the full-degradable plastic film is reasonable; the full-degradable plastic film can be made into food preservative film or fruit packaging bags, contains tourmaline powder, is capable of emitting far infrared ray and negative ions, and can be used for food fresh-keeping; a preparation method is convenient for industrialized control; obtained products are safe and nontoxic; complete biodegradation after discarding can be realized; and no harm is caused on the environment.

The invention discloses a preparation method for hexafluoropropylene oxide homopolymers. Potassium fluoride is employed as a catalyst to trigger ring-opening polymerisation of hexafluoropropylene oxide, a saturated solution of tetraethylene glycol dimethyl ether and fluorine containing solvent of cesium fluoride is added in batches for multiple times, the reaction temperature is lowered gradually from 0 DEG to -40 DEG C, thus reaction activity of tail end groups of hexafluoropropylene oxide homopolymers is kept, hexafluoropropylene oxide monomers are added continuously on this basis, and through control of addition times of hexafluoropropylene oxide and the cesium fluoride solution, hexafluoropropylene oxide homopolymers with an average polymerization degree of 50 can be synthesized. Through control of addition of monomers, hexafluoropropylene oxide homopolymers with an average polymerization degree of 20-50 can be synthesized selectively, and different industrial production requirements are met.

The invention discloses a preparation method of a silicon carbide ceramic pot using graphene to enhance heat conductivity. The preparation method comprises the following steps of according to scientific and reasonable component proportional ratio, compounding silicon carbide micropowder, boron carbide micropowder, liquid phenolic resin, and graphene component; performing ball milling, granulating, isostatic pressing forming, non-pressure sintering and the like, so as to obtain the silicon carbide ceramic pot. The silicon carbide ceramic pot has the advantages that the density of a prepared blank is large, the uniformity is good, the strength is high, and the sintering can be performed through simple drying; by adopting the non-pressure sintering, the energy consumption is decreased. The preparation method has the advantages that the method is simple, the industrial control is convenient, the raw material cost is low and the obtaining is easy, and the non-toxic and non-harmful ceramic pot which can be in direct contact with food can be prepared; the heat conductivity is higher, the boiling time of foods is accelerated, and the energy-saving effect is realized.

Fully-degradable plastic film having a fresh keeping function and used for packages is disclosed. The plastic film is characterized in that the plastic film is prepared from 80-85 parts by weight of polylactic acid, 25-30 parts by weight of China hemp fibers, 0.8-1 part by weight of a silane coupling agent kh-550, 20-25 parts by weight of corn starch, 12-14 parts by weight of glycerin, 1.6-2 parts by weight of epichlorohydrin, a proper amount of a sodium hydroxide solution having a concentration of 1 mol / L, a proper amount of hydrochloric acid having a concentration of 1 mol / L, a proper amount of distilled water, 5-6 parts by weight of porous starch, 1-2 parts by weight of magnesium stearate, 3-4 parts by weight of macroporous silica gel and 5-7 parts by weight of tourmaline powder; the plastic film is scientific and reasonable in component ratio, can be prepared into food fresh keeping film or fruit packaging bags, and the like, contains the tourmaline powder and other components, can emit far infrared light and negative ions, and keeps freshness for foods; a process is innovative and convenient in industrial control; and the plastic film is low in cost and wide in source and deserves popularization.

The invention discloses a strip-shaped aluminum pigment with a smooth surface and few flow marks. The pigment is prepared from, by weight, 70-75 parts of sheet aluminum powder, 14-15 parts of methacryloxy propyl trimethoxyl silane, an appropriate amount of absolute ethyl alcohol, 28-30 parts of trimethylolpropane triacrylate, 1.1-1.2 parts of crylic acid, 0.09-0.1 part of azodiisobutyronitrile, 1.75-1.9 parts of polyvinylpyrrolidone, 4-4.5 parts of ethylene bistearic amide, 19-20 parts of polyethylene, 2-3 parts of hydrotalcite, 2-3 parts of polytetrafluoroethylene particles, 2-3 parts of organobentonite, 0.8-1 part of silicone oil, an appropriate amount of deionized water and 0.8-1 part of polyvinyl alcohol. The prepared product has the smooth surface and has no flow mark, the defect that flow marks are produced in the plastic part molding process is reduced, the plastic part performance is improved, industrial control over the whole technological process is convenient, the pigment is safe, and no solvent is adopted.

The invention discloses a preparation method for opacifying additives of mineral-compound nano titanium dioxide ceramic glazes. Firstly, by using tetrabutyl titanate as a precursor, the sol-gel method is adopted to prepare a nano titanium dioxide / white diatomite photocatalyzed compound material; nano titanium dioxide, carboxymethyl cellulose and the like are added into the nano titanium dioxide-white diatomite compound through ultrasonic dispersion to obtain the additives in an emulsion state, and the obtained additives are added into the ceramic glazees and coated on the surface of the ceramic body through high-temperature calcining; during high-temperature calcining, nano calcium carbonate is wrapped by the nano titanium dioxide-white diatomite compound. The binding reaction between nano calcium carbonate and the nano titanium dioxide particles at the phase interface is achieved through hydroxy groups on the surfaces of nano calcium carbonate and the nano titanium dioxide particles, thereby guaranteeing stable binding of nano calcium carbonate and the nano titanium dioxide particles, and obtaining smooth and fine glazes which are not likely to become yellow and has good whiteness after calcining.

The invention discloses a sintered water-permeable ground tile with rare earth tailings added. The ground tile is prepared from, by weight, 40-43 parts of sludge from a sewage plant, 6-7 parts of rice husks, 4-5 parts of potassium feldspar powder, 10-12 parts of coal ash, 10-12 parts of water glass, 30-33 parts of rare earth secondary tailings, 13-15 parts of black talc, 13-14 parts of river sand, 2-3 parts of sodium carbonate, 4-5 parts of water-based fluorine-carbon emulsion, 2-3 parts of pulp mill waste liquid and 5-7 parts of kaolin. According to the sintered water-permeable ground tile, the rare earth secondary tailings are adopted, aggregate such as the kaolin and the river sand and caking elements such as the water glass are further combined for preparing a tile body high in strength, elements such as the sodium carbonate and the pulp mill waste liquid are further added, through sintering, the tile body is made to be more compact, the strength is further improved, meanwhile, communicated pores can be generated, the good water permeation efficacy is achieved, by means of the ground tile, recycling of waste resources can be achieved, energy is saved, environmental protection is achieved, cost is low, and the process is convenient to control industrially.

The invention discloses a novel outdoor power cable sheath material preventing moths and mildew. The material is characterized by being prepared from, by weight, 100-102 parts of polyether urethane, 20-21.5 parts of aluminum diethylphosphinate, 17-18 parts of melamine cyanurate, 4.3-4.5 parts of aluminum titanate, 50-52 parts of PVC, 1.6-1.8 parts of cross-linking agent TAIC, 6-7 parts of calcium stearate, 20-22 parts of acetyl tributyl citrate, 0.5-0.6 part of capsaicine, 0.2-0.3 part of imidacloprid, 1-1.2 parts of methyltrimethoxysilane, 2-3 parts of liquid silicone rubber, 9-11 parts of zeolite molecular sieves, 1.5-2 parts of OBPA mildew preventing agents, 3-4 parts of methyl silicone oil and 6-7 parts of high-abrasion-resistance carbon black. The prepared material has excellent flame-retardant performance and is excellent in moth preventing property, mildew preventing property and mechanical property, the technology can be controlled conveniently in an industrialized mode, and the material is suitable for outdoor cables.

The invention discloses a double-layer composite glass magnesium board with a high fireproof grade. The double-layer composite glass magnesium board is characterized by being prepared from the following raw materials in parts by weight: 42-45 parts of light calcined magnesia, 39-41 parts of magnesium chloride hexahydrate, 7-9 parts of forsterite powder, 5-7 parts of tourmaline powder, 4-6 parts of expanded graphite, 1-2 parts of ammonium polyphosphate, 4.5-5 parts of metakaolin, 2.5-3 parts of aluminum dihydrogen phosphate, 1.5-2.5 parts of aluminum silicate fibers, 0.2-0.25 part of a silane coupling agent kh 550, 1.5-2 parts of waterborne polyurethane, 6-8 parts of a 5% polyvinyl alcohol solution, 15-18 parts of thermoplastic phenolic resin, 5-6 parts of 25% urotropine aqueous solution and a proper amount of pure water. According to the double-layer composite glass magnesium board, the forming time is shortened through a modifying process, the process is convenient for industrial control, the components are simple and easily available, and the production efficiency is improved; the prepared glass magnesium board has double-layer effect, is smooth and attractive in surface, high in fireproof grade, safe and non-toxic, and a moisture absorption and deformation problems are solved.

The invention provides a high-hatchability bamboo partridge hatching method. Hatching eggs of a bamboo partridge are hatched in hatch nests; after the hatching eggs are disinfected, the hatching eggs are uniformly placed in the hatch nests, 8-10 hatching eggs are placed in each hatch nest arranged in a greenhouse and formed by intertwining hay, a hot-water bag is laid at the bottom inside each hatch nest, 2cm-thick filler is laid above each hot-water bag, 3-5 layers of nonwoven fabric are laid above the filler, and a moisture keeping solution is accommodated in the nonwoven fabric; in the whole hatching period, the temperature of water in the hot-water bags is 38.7 DGE C from the first day to the third day of hatching, 38.2 DEG C from the fourth day to the eleventh day and 37.5 DEG C from the twelfth day to the twentieth day. According to the provided bamboo partridge hatching method suitable for industrial control, the hatchability is 94% or above based on statistics. Compared with conventional hatching in nests, industrial control is facilitated, the hatchability is higher, the immunity of hatched young bamboo partridges is high, the anti-stress capability is high, and the survival rate is high.

The invention discloses a differential meter, comprising a sealed shell, a first sensing element, a second sensing element, two cavities respectively surrounded by the two sensing elements, a long connecting bar, a short connecting bar, a swing stem and a gear cluster which are used for transmitting and amplifying the deformation of the sensing elements, a pointer used for indicating pressure change and a spring which can lead the pointer to reset. The differential meter also comprises a deformation sensing device used for sensing the deformation of the first sensing element or the second sensing element. The differential meter has two output ways of mechanical header display and electric signal output, thus being capable of feedbacking the pressure difference of a container and a device to be measured to an electric control system and facilitating industrial control; in addition, not only static pressure is increased but also the manufacturing process is simplified.

The invention discloses a preparation method of sevoflurane. The sevoflurane is prepared from hexafluoroisopropanol, formaldehyde equivalent, aluminum trichloride, a phase transfer catalyst, hindered amine and a metal fluorinating agent as raw materials. The preparation method has the advantages of high yield, high purity, few byproducts and the like, can realize recycling of some raw materials, and is low in cost, easy to control industrially, environment-friendly and suitable for large-scale industrial production.

The invention discloses a graphene-enhanced ceramic lining material for a hydraulic steel tube. The graphene-enhanced ceramic lining material is prepared from the following raw materials in parts by weight: 54-56 parts of pure aluminium powder, 159-162 parts of iron oxide red, 18-19 parts of cobalt nitrate, 18-19 parts of nickel chloride, 37-38 parts of tetraethoxysilane, 74-76 parts of absolute ethyl alcohol, 10-11.5 parts of nanometre Y-ZrO2 powder, 8.5-9.5 parts of sodium tetraborate, 7-8 parts of graphene, 1.5-2 parts of cerous fluoride, 4-5 parts of lanthanum oxide powder, 1.5-2 parts of lithium carbonate, 0.6-0.7 part of alcohol amine chelated titanate, and deionized water. According to the graphene-enhanced ceramic lining material disclosed by the invention, graphene can be uniformly dispersed in the material during a preparation process of carrying out surface modification on the graphene and then adding the graphene in the material, is uniform in structure and capable of enhancing the strength of the material, and high in bonding strength with a matrix material of the tube and not liable to crack and fall off; and moreover, the process is convenient for industrial control, high in efficiency, and energy-saving and consumption-reducing.

The invention discloses a flame-retardant polylactic acid and starch compound fully-degradable plastic film, which is characterized by being made from the following raw materials, by weight part, 80-85 of polylactic acid, 20-25 of corn starch, 12-14 of glycerin, 1.6-2 of epichlorohydrin, a proper amount of a sodium hydroxide solution with the concentration being 1 mol / L, a proper amount of hydrochloric acid with the concentration being 1 mol / L, a proper amount of distilled water, 25-30 of hemp fibers, 0.8-1 of a silane coupling agent kh-550, 1-2 of stearic acid, 5-6 of red phosphorus, 2-3 of attapulgite, 2-3 of zinc borate, 1-2 of rosin pentaerythrityl ester and a proper amount of absolute alcohol. In a process of internal mixing of polylactic acid, the added red phosphorus, attapulgite and zinc borate has a compound effect and a high-temperature-resistant and flame-retardant effect, and the whole cost of the plastic film is greatly reduced. The plastic film is good in flame retardance, toughness and mechanical properties, and is sturdy and durable. The method is innovative in technology and convenient for industrial control. The plastic film has a high degradation speed and can be widely applied.

The invention discloses a production method of a waterproof wear-resistant homogeneous dual-layer corrugated enhanced paperboard. Silanization modification is conducted in emulsified asphalt modifiedby neoprene latex, the elasticity and wear resistance of silica sol and the water resistance of the emulsified asphalt are effectively combined, and waterproof wear-resistant glue excellent in waterproof and wear-resistant performance is obtained; the glue is used for coating modification of the inner surface and the outer surface of a corrugated paperboard, the glue is pressed into fiber pits andpores of the corrugated paperboard through a high-temperature and high-pressure processing technology, and the glue is combined with fiber to form a compact and firm waterproof wear-resistant layer;in the dynamic transporting process, the coating scratching phenomenon can be effectively reduced, and meanwhile waterproofing is effectively achieved. Two corrugated paper cores coated with the waterproof wear-resistant glue are combined through a corrugated paper core coinciding technology, homogeneous dual-layer real-time combining and corrugating are achieved, processing time can be saved andproduction cost can be reduced compared with an ordinary corrugated paperboard technology, and meanwhile the toughness, strength and waterproof performance of the corrugated paperboard are further enhanced.

The infrared detector includes a sensitive retina capable of detecting a radiation in the wavelength range between 8 and 14 micrometers; and a package containing the sensitive retina and including a window located opposite to the retina, said window comprising a substrate at least partially transparent in the wavelength range between 2 and 14 micrometers; and a set of optical filters formed on the window to attenuate an incident radiation on the retina in a wavelength range between 2 and 8 micrometers, and respectively an optical filter formed on a first surface of the window and attenuating the incident radiation in a first interval of the wavelength range between 2 and 8 micrometers, and a periodic diffraction grating formed on a second surface of the window and attenuating the incident radiation in a second interval of the wavelength range between 2 and 8 micrometers, different from the first interval.

The invention discloses a multi-purpose fireproof high-density composite fiberboard. The multi-purpose fireproof high-density composite fiberboard is characterized by being prepared from, by weight, 42-45 parts of crop straw, an appropriate amount of sodium hydroxide with the concentration of 2%, 2-2.5 parts of a silane coupling agent kh450, 5-7 parts of vermiculite, 2-3 parts of floor gypsum powder, 66-70 parts of ethyl alcohol with the concentration of 95%, 30-32 parts of timber leftover materials, 7-8 parts of waterborne polyurethane adhesives, 1.5-2 parts of emulsified paraffin, an appropriate amount of water, 0.5-0.7 part of OP-10 and 1-2 parts of melamine phosphate. Raw materials of the multi-purpose fireproof high-density composite fiberboard can be easily obtained, the process is innovative and capable of being industrially controlled conveniently, and therefore the product can has good waterproof and fireproof performance, is high in fold-resistant tenacity, can completely replace wood plates, plastic plates and the like, can be widely used for the industries of automotive trim linings, process packages, electric appliances, furniture and the like, and is wide in application range and good in market prospect.

The invention discloses asphaltic resin composite spherical activated carbon with an expanded graphite enhanced oil absorption property. The asphaltic resin composite spherical activated carbon is characterized by being prepared from the following raw materials in parts by weight: 40-43 parts of tert-butyl methacrylate, 40-42 parts of ortho-methylstyrene, 25-28 parts of ethanol, 2-3 parts of tert-butyl hydroperoxide, 1.5-2.5 parts of bisphenol A epoxy dimethyl acrylic acid, 2-3 parts of gelatin, 0.5-0.8 part of OP-10, a proper volume of distilled water, a proper volume of acetone, 25-28 parts of sulfonated asphalt powder, 4-5 parts of expanded graphite, 2-3 parts of clay powder, 3-4 parts of corncob powder, 2-3 parts of 1% sodium hydroxide solution, 3-4 parts of citric acid and 2-3 parts of emulsified paraffin. The asphaltic resin composite spherical activated carbon contains ingredients such as the modified expanded graphite, the clay powder, the corncob powder and the like, and the modified expanded graphite and the like exist in three-dimensional fiber-net-shaped molecular structures, so that a large number of oil molecules can be adsorbed, meanwhile, the oil absorption speed is high, the oil-water selectivity is high, and the oil retention property is good.

The invention discloses a bamboo-powder-added enhanced composite automotive interior product material. The material is prepared from, by weight, 100-103 parts of polylactic acid, 3.5-4 parts of nanometer antimony trioxide, 10-11 parts of decabromodiphenyl ethane, 25-27 parts of SEBS, 60-62 parts of kenaf fibers, 10.5-12 parts of bamboo powder, 5-6.5 parts of carboxymethyl cellulose, 4.5-5.5 parts of talcum powder, 8-9 parts of ethyl alcohol, 0.8-1 part of silane coupling agent kh550, 1-2 parts of stearic acid, 3-4 parts of polyacrylamide and a proper amount of water. The silane coupling agent is used for treating the bamboo powder, the talcum powder and other components to form soaking slurry, environment friendliness is achieved, the tenacity and strength of fibers are enhanced, the bonding performance and description performance of the bamboo powder and other components and the blend fibers can be improved, the processing technology is conveniently and industrially controlled, the following extrusion technology is good in liquidity, the prepared product is good in appearance and free of warping, good bending strength is achieved, and environment friendliness is achieved.

The invention discloses a high-density fiberboard with absorption performance enhanced by adding modified paper sludge. The high-density fiberboard is characterized by being prepared from the following raw materials including, by weight, 42-45 parts of crop straw, an appropriate amount of sodium hydroxide with the concentration of 2%, 30-32 parts of wood scraps, 2-2.5 parts of silane coupling agents kh450, 66-70 parts of ethanol with the concentration of 95%, 9-11 parts of the paper sludge, 1-2 parts of sodium bicarbonate, 1-2 parts of carboxymethylcellulose, 7-8 parts of waterborne polyurethane adhesive, 1.5-2 parts of emulsifying paraffin and an appropriate amount of water. The high-density fiberboard is a resource substitute product. According to the high-density fiberboard, a large amount of crop straw, wood scraps, paper sludge and other components are used; waste is utilized, and the sources are wide, so that the wood resource is saved. The process is improved on the basis of a traditional process; industrial control is convenient; the production efficiency is improved; in addition, the quality stability of the fiberboard can be improved. The process is a fiberboard preparation technique with good application prospects.

The invention discloses a ramie stick reinforced starch-based fully-degradable plastic film and a preparation method thereof. The ramie stick reinforced starch-based fully-degradable plastic film is characterized by being prepared from the following raw materials in parts by weight: 60-65 parts of corn starch, 7-9 parts of nano-montmorillonite, 0.6-0.7 part of peanut oil, 1.2-1.4 parts of tetrabutyl titanate, 12-14 parts of ramie sticks, 30-35 parts of polyvinyl alcohol, 12-14 parts of casein, 0.6-0.8 part of liquid paraffin, 11-15 parts of triethyl citrate, 1-1.5 parts of stearic acid and 1.5-2 parts of antioxidant 1010. The plastic film prepared by the preparation method disclosed by the invention is high in strength, the process is convenient to industrially control and capable of realizing industrialized production, and the production raw materials are simple and easily available, and safe and non-toxic; and the product is capable of achieving complete degradation, environment-friendly after being discarded, capable of being prepared into plastic bags, preservative films and the like for food package, and worthy of large-area popularization.

The invention discloses a method for casting a municipal inspection well cover through an ultrasonic-assisted V method. Compared with a traditional wet filming technology, the machining difficulty isreduced, the sand core number is decreased, the cost is reduced, the complexity of technological operation is reduced, and the casting defects such as sand burning, pores, sand holes and sand expansion are reduced. According to the method, in the cast iron smelting process, ultrasonic treatment is additionally conducted in the nodulizing process, a cavitation effect occurs, the temperature of surrounding liquid falls slowly through ultrasonic vibration, dendritic crystals grow slowly, and short and thick graphite strips are formed; and meanwhile, ultrasonic treatment is additionally conductedin the solidifying process after pouring, a casting is cooled slowly through the acoustic cavitation effect and the heat effect of ultrasonic treatment, therefore, a carbon-poor layer in a pipe body and carbon in a solution are conditionally balanced through diffusion, the prepared cast iron is uniform in graphite component size, high in roundness rate and low in ferrite content, the comprehensivemechanical properties of ductile iron are improved, and then the prepared ductile iron well cover has the good mechanical property.

The invention discloses flame-retardant and antibacterial cotton cloth anticorrosion paste containing nanometer boron nitride. The paste is prepared from, by weight, 5-6 parts of boron nitride nanosheets, 7-8 parts of n-octadecylamine, a proper amount of absolute ethyl alcohol, 2.5-3 parts of sodium dodecyl benzene sulfonate, 0.8-1 part of alkylphenol ethoxylates, 0.5-0.55 part of ammonium persulfate, 20-22 parts of acrylic acid, 50-53 parts of ethyl acrylate, 28-30 parts of methyl methacrylate, 7-8 parts of spiro phosphoryl imidazate, 0.5-0.6 part of phosphoric acid, a proper amount of pure water, 1-1.2 parts of hydroxyl-fluoro silicone oil, 6-7 parts of organic silicone emulsion, 2-2.5 parts of penetrant JFC, 4-5 parts of nano-zinc oxide and 2-3 parts of polyvinyl alcohol. When used for processing cotton cloth, the prepared product has excellent anticorrosion, flame-retardant, antibacterial, water-resistant performance and is free of odor and worthy of popularization, and the process can be conveniently and industrially controlled.

The invention discloses a production method for toughened modified aluminum oxide domestic ceramic. According to the production technology, the toughness of aluminum oxide ceramic is improved by generating nano titanium dioxide and adding short carbon fiber, the defects of poor toughness and strength and high brittleness of the conventional aluminum oxide toughness are improved, the sizes of the crystalline grains of nano titanium dioxide in the high-temperature pressure sintering process can be controlled to be nano size, and good strength, low-temperature toughness, low-temperature plasticity and other properties can be kept easily, so that the compounded modified aluminum oxide ceramic has high strength and high toughness. According to the production method, raw materials are easily available, the process is beneficial to industrial control, and the defects of poor toughness and easy cracking of the domestic ceramic can be solved.