97results about How to "Suitable for large-scale industrial promotion" patented technology

The invention relates to a preparation method of halogen-free flame retardant rubber. The method comprises the following steps: mixing butadiene styrene rubber in an SK-160-type dual-roll plastic mixing mill, wherein the temperature of a front roll of an open mill is 135 DEG C, and the temperature of a rear roll is 125 DEG C; plastifying for 15 minutes, and then adding zinc oxide, stearic acid, magnesium hydrate, 5-(4-hydroxycyclohexyl phenyl)-2H-pyran-2-ketone, carbon black, petroleum resin and tetramethyl thiuram disulfide; rolling the raw materials left and right on rollers in a crossing manner, and mixing evenly; thinning and packing for 5 times, and discharging slices, so as to obtain a sizing material with good dispersity; after preserving the sizing material for 8 hours, vulcanizing under the conditions of 50 DEG C and 10MPa. The halogen-free flame retardant rubber disclosed by the invention has the advantages of good fire resistance, and small harm to environment due to no halogen; therefore, the preparation method is very suitable for large-scale industrial popularization.

The invention relates to an efficient NO degradation glass fiber cloth in-situ loaded BiOCl photocatalytic material. The efficient NO degradation glass fiber cloth in-situ loaded BiOCl photocatalyticmaterial comprises glass fiber cloth and BiOCl layers. The BiOCl layers grow on the glass fiber cloth in an in-situ manner, and BiOCl nano-sheets are densely assembled to obtain the BiOCl layers. A method for preparing the efficient NO degradation glass fiber cloth in-situ loaded BiOCl photocatalytic material includes 1), soaking the glass fiber cloth in hydrofluoric acid solution and then washingand drying the glass fiber cloth for standby application; 2), soaking the glass fiber cloth in saturated solution of bismuth nitrate pentahydrate, then taking the glass fiber cloth out of the saturated solution and draining solution attached to the surfaces of the glass fiber cloth; 3), soaking the glass fiber cloth obtained at the step 2) in potassium chloride solution, then taking the glass fiber cloth out of the potassium chloride solution and draining solution attached to the surfaces of the glass fiber cloth; 4), repeatedly carrying out the step 2) and the step 3) and ultimately drying the glass fiber cloth to obtain the BiOCl photocatalytic material on the basis of the glass fiber cloth.

The invention discloses a method for separating and purifying vanadium and molybdenum of a waste vanadium-molybdenum SCR (selective catalytic reduction) catalyst. The method comprises the following steps: firstly, carrying out pretreatment on a catalyst to obtain a titanium slag and a vanadium-molybdenum solution; extracting and separating the vanadium-molybdenum solution, acidifying the obtained molybdenum-rich raffinate, and reprocessing to prepare a molybdenic acid product; carrying out reverse extraction on the obtained molybdenum-rich organic phase, then carrying out a two-stage extraction and vanadium purification process, and carrying out reverse extraction again to obtain a vanadium-rich solution; and reprocessing the vanadium-rich solution to prepare vanadium pentoxide. According to the method disclosed by the invention, the problem of difficult vanadium and molybdenum separation, recovery and purification of the waste vanadium-molybdenum SCR catalyst in industry is thoroughly solved; in addition, the recovery rates of vanadium and molybdenum exceed 95%; a high-purity (greater than 99%) molybdenic acid product and a vanadium pentoxide product of which the purity exceeds 99.5% can be respectively obtained; recycling of resources is really realized; and the method has good environmental and economic benefits, and is suitable for industrial popularization and application.

The invention discloses a preparing method for water-proof fused silica ceramics and the method comprises the following steps of 1, combining lithium carbonate, calcium carbonate, aluminium hydroxide, zirconium oxide, zinc oxide together, smelting the mixture and obtaining vitreous humour; 2, obtaining the solid glass after carrying out water quenching on the vitreous humour obtained from step one, and then grinding the solid glass into finely-crushed glass powder less than 10 microns; 3, combining and stirring evenly terpineol, absolute ethyl and Primary Alcobol Ethoxylate,to obtain a mixed liquor, pouring the finely-crushed glass powder obtained in step 2 into the mixed liquor to obtain vitreous glaze pulp, dispersing evenly the pulp; 4, coating evenly the vitreous glaze pulp obtained in step 3 on the surface of fine fused silica ceramics, carrying out sintering and heat setting on the coated fine fused silica ceramics, finally obtaining the water-proof fine fused silica ceramics after the ceramics cools down. Waterproof microcrystalline glass coating obtained form the invention has multiple excellent performances such as small thermal expansivity, good thermal shock resistance, high temperature resistance, high intensity, and the like, and is capable of obviously extending the serving life of the fine fused silica ceramics under tough environment.

The invention belongs to the field of inorganic nonmetallic materials, and relates to a preparation method of a sliding plate for a steel-making ladle sliding gate mechanism, in particular to a preparation method of a ferrosilicon nitride porous ceramic sliding plate. The ferrosilicon nitride porous ceramic sliding plate disclosed by the invention is characterized in that the inner core of the sliding plate is prepared by directly cutting an original ferrosilicon nitride blank body; and the periphery of the sliding plate is poured and formed by adopting an unshaped fire-resistant material. The ferrosilicon nitride sliding plate is a carbon-free sliding plate; therefore, molten steel carburetion of the sliding plate generated in the use process can be avoided; the production requirements of clean steel in the future can be satisfied; the chrome-free property of the sliding plate is realized; pollution of chrome to the environment is avoided; the processing technology is simple; sintering and heat treatment are unnecessary; raw materials, energy, equipment, manpower and time are saved greatly; the cost is low; the preparation method is applied to large-scale industrial popularization; the porous ceramic material is applied in the sliding plate, so that the basic performances of the sliding plate are ensured, and simultaneously, the thermal shock resistance of the sliding plate is increased; the porous ceramic is applied in the sliding plate disclosed by the invention for the first time, so that a new field is created for developing the sliding plate material, and the development direction shows a promising future.

The invention relates to the technical field of graphene and chemical engineering, in particular to graphene body wash. Every 100 parts by weight of the graphene body wash comprises the following rawmaterials in parts by weight: 0.5-4 parts of p-hydroxybenzoate, 10-24 parts of olefin sulfonate, 10-16 parts of cocamidopropyl betaine, 0.2-3 parts of citric acid, 0.5-5 parts of lauramidopropyl hydroxy sulfobetaine, 1-3 parts of ethylene glycol distearate, 0.2-10 parts of graphene and the balance of deionized water. The natural environment-friendly raw materials are adopted, and the graphene as abiocompatible material which is large in specific surface area, large in area of contact with the skin and high in adsorption capacity is added, so that the dirt removal capacity of the body wash isimproved, and skin dirt is thoroughly cleaned away; and a formula is mild and has a certain moisturizing and skin-care effect on the skin. A preparation method is simple in process, convenient to operate, environmentally friendly and suitable for large-scale industrial popularization, and the produced graphene body wash can clean the skin dirt more thoroughly and also can moisturize and protect the skin.

The invention provides a hydrated calcium borate microsphere and an anhydrous calcium borate microsphere, and preparation methods thereof. The preparation method of the hydrated calcium borate microsphere is characterized in that a hydrothermal-thermal conversion technology is adopted, a calcium salt, a boron source and an alkali source are adopted as raw materials, a surfactant is added to an aqueous solution in order to effectively regulate the composition and the morphology of products, and a hydrothermal reaction is carried out to obtain the hydrated calcium borate microsphere with uniform dimension. The preparation method of the anhydrous calcium borate microsphere is characterized in that the hydrated calcium borate microsphere is roasted to improve the crystallization degree in order to obtain the anhydrous calcium borate microsphere with uniform dimension. The hydrated calcium borate microsphere and the anhydrous calcium borate microsphere are hopeful to be widely applied to the fields of treatment of wastewater containing heavy metal ions or dyes, supported catalysis and flame retardation. The preparation methods have the advantages of simplicity in operation, mild conditions, low energy consumption, low cost, easy control of the process, and suitableness for large-scale industrial production.

The invention provides a box opening and boxing integrated automatic production line and a working method thereof, and belongs to the technical field of packaging equipment. The integrated automatic production line comprises a rack, a feeding component for conveying products, a box opening component for opening a packaging box cover, and a material taking component, and the feeding component is partially arranged in the rack through a second fixing beam; the box opening component is partially arranged in the rack through a third fixing beam, and the material taking component is arranged in the rack through a first fixing beam; a guide rail is arranged on the first fixing beam, and the material taking component is connected with the guide rail slidably; and the feeding component and the box opening component are arranged in parallel, and the material taking component is arranged above the feeding component and the box opening component. According to the box opening and boxing integrated automatic production line, automatic equipment is adopted, and packaging boxes can be automatically opened; the products can be automatically boxed, and the labor cost can be effectively saved; and the packaging efficiency of the products is improved.

The invention provides a composite glass fiber reinforced plastic waste lightweight high-strength ceramsite and a preparation method thereof. The composite glass fiber reinforced plastic waste lightweight high-strength ceramsite is mainly prepared from the following raw materials in percentages by mass: 36-42% of glass fiber reinforced plastic wastes, 32-40% of flyash, 0-8% of alkali residues and18-24% of sandy soil, wherein water is added according to the water-solid ratio (taking the masses of all solids as a reference) being 0.2-0.3. The preparation method comprises the following steps: accurately weighing the glass fiber reinforced plastic wastes, the flyash, the alkali residues, the sandy soil and the water according to the proportion of the raw materials and uniformly mixing the rawmaterials to form a uniform basic admixture; and carrying out pelleting and forming by an artificial method to obtain ceramsite raw meal nodules, and firing the ceramisite raw meal nodules to obtainthe composite glass fiber reinforced plastic waste lightweight high-strength ceramsite. The lightweight high-strength ceramsite is prepared by taking the glass fiber reinforced plastic wastes as a main gas forming agent, and is applied to the fields of lightweight concrete wall materials, lightweight concrete tube materials and the like, glass fiber reinforced plastic waste resources can be reutilized, furthermore, environmental pollution can be relieved, and the economic benefit and the environment benefit are remarkable.