30results about How to "Production can be scaled" patented technology

The invention provides a rotary dynamic continuous preparation method for titanium black powder. The titanium black powder is TiO powder, Ti3O5 powder, Ti4O7 powder, Ti5O9 powder, Ti6O11 powder, Ti7O13 powder, Ti8O15 powder or Ti9O17 powder. The push-type dynamic continuous preparation method comprises the following process steps: (1) preparing raw materials; using Ti and O compound powder and a reducing agent as the raw materials; (2) mixing and drying; (3) sintering: under an open system or a closed system or negative pressure, heating a furnace tube when the furnace tube is at an inclined state with a discharging opening lower than a feeding opening, and is at a rotary state, continuously feeding the mixed powder obtained in the step (2) into the furnace tube when the temperature in the furnace tube reaches the reaction temperature, and enabling the mixed powder, which enters the furnace tube, to pass a furnace tube heating area in a spiral movement manner to complete reaction so as to form a reaction product to fall into a collection chamber. Through the adoption of the preparation method, titanium black powder of which the single phase or the purity is higher than 70% can be obtained, and continuous mass production can be realized.

The invention relates to a process for producing a superfine high-purity quartz glass pipe for a high-temperature sensor, which is characterized by comprising the following steps of: finely selecting quartz blocks as raw materials, wherein the particle size of the quartz blocks is 20-30 mm, and the content of SiO2 is above 99%; sequentially carrying out soaking in hydrochloric acid, roasting, water quenching, mechanical pulverization, iron removal, soaking in mixed acid, high-temperature stirring and washing and high-temperature chloridization on the raw materials to obtain high-purity quartz sand; then throwing the high-purity quartz sand in a quartz furnace for smelting, pulling into a quartz glass pipe, and then scouring, cutting, trimming, ultrasonic cleaning and dehydroxylating so that a finished product is obtained. The quartz glass pipe produced and prepared by the process has the superfine and ultrathin features, has the characteristics of high-temperature resistance, molten steel and glass liquid-washing resistance, corrosive resistance, high heat transfer speed, good soaking performance, large strength, long service life, no bursting under shock heating and cooling condition, strong process operability, scale production and the like, and completely accords with the requirements of various performance indexes of the quartz glass pipe used as an outer protective pipe of the high-temperature sensor.

The invention discloses a glass microballoon manufacturing device comprising a furnace body (1) and a waste gas treatment device, wherein the furnace body (1) is formed by air-tight connection of an upper part and a lower part, the upper part of the furnace body is of a cubic shape, a waste gas emission port (4) is arranged at the top of the upper part, one or more injection-type burners (2) are horizontally installed on the side of the upper part, a preheating air pipe (14) is arranged in the upper part, the lower part of the furnace body is of a square conical shape, and one or more microballoon collectors (3) are arranged at the bottom of the lower part. According to the glass microballoon manufacturing device and the preparation method thereof provided by the invention, the furnace body which adopts the cubic structure enlarges the cooling space; the horizontally installed injection-type burners and the preheating air pipe arranged in the furnace body can give full play to the heat value of fuel, thus reducing energy source waste, saving energy and reducing emission; TiO2 and Al2O3 with relatively lower costs are adopted, the refractive index of the product is greater than or equal to 1.93; and the glass microballoon manufacturing device and the preparation method thereof have the advantages of reducing devitrification, improving the cooling velocity, having good product quality, improving the utilization ratio of raw material, being capable of large-scale production, and the like.

The invention relates to a method and device for dehydrating and rectifying dichloromethane in the production of acesulfame potassium. The device comprises a crude dichloromethane product tank, a dehydration tower, an intermediate dichloromethane product tank, a rectifying tower, a residual liquid tank, a reflux tank and a finished product tank; the crude dichloromethane product tank, the dehydration tower, the intermediate dichloromethane product tank, the rectifying tower, the residual liquid tank and the reflux tank are sequentially communicated with the finished product tank. According tothe device for dehydrating and rectifying dichloromethane in the production of acesulfame potassium, recovered dichloromethane is high in purity, light in color and good in quality; the treatment capacity is large, and large-scale production can be achieved. The device has the advantages of being high in automation degree, capable of achieving DCS remote control and high in safety.

The invention relates to lily coffee and a production process thereof. The lily coffee contains lily instant powder, coffee full powder, soybean protein and cane sugar. The production process comprises the following three steps: (1) adding water into well-chosen fresh lily and grinding; carrying out slurry-residue separation, sedimentation, atomization and drying to obtain lily raw powder; (2) frying the lily raw powder for the second time and cooling; carrying out ultramicro treatment on the lily powder to obtain the lily instant powder; (3) adding coffee powder and soybean protein powder into the lily instant powder to be mixed, and then drying and cooling; then adding the cane sugar, agitating and mixing to obtain the lily coffee. The lily coffee disclosed by the invention keeps natural nutritional ingredients of the lily, has the taste of the coffee, has the effect of removing heat from the liver and lubricating the intestine and has the characteristic of convenience and rapidness for eating, so as to add one nutritious food for a market.

The invention discloses a production process for producing tricholoma matsutake mycelium from corn powder fermentation and belongs to the field of production of tricholoma matsutake mycelium. The production process includes the steps of 1, culture of inclined bacterial; 2, culture of liquid seeds; 3, fermentation culture; 4, dry weight of the mycelium. The experimental results show that the highest yield of dry matter fermentation of the mycelium produced by the process is above 24.82g/L while the dry matter yield of the mycelium is only about 18g/L in the existing technology, so that comparedwith the prior art, the production process for producing the tricholoma matsutake mycelium has the advantage of significant improvement; the production process is suitable for fermentation and culture of the tricholoma matsutake, the dry material yield of the mycelium is stable and high in yield, large-scale production can be achieved, and the production process is worth popularizing.

The invention discloses printing ink which is prepared from the following raw materials in parts by weight: 20-40 parts of polyamide resin, 40-60 parts of a solvent, 5-10 parts of pigment, 1-5 parts of a viscosity conditioning agent, 0-1.5 parts of vinyl chloride-vinyl acetate resin, 1-3 parts of a printing ink reinforcing agent, 1-5 parts of a wear-resisting auxiliary, 1-3 parts of active monomer, 1-3 parts of hollow glass bead, 1-3 parts of an antifoaming agent and 5-10 parts of a diluent. According to the printing ink, the active monomer is added, so that the surface tension of the prepared printing ink is equal to or less than that of the printed surface; the wear-resisting auxiliary is added, so that the printed printing ink layer has a very small frictional coefficient, and the wear resistance of the printing ink is greatly improved; the printing ink contains no volatile toxic solvent, is good in printing effect, strong in adhesion fastness, incombustible, unexplosive and nontoxic, cannot damage health of printing workers, has no environmental pollution on atmosphere, and is lower in cost; an ink layer is high in adhesion fastness, namely adhesive force, rub-resistant, scratch-resistant, high in glossiness, good in wear resistance, quick in drying rate and good in product quality.

The invention relates to the technical field of metal machining oil, in particular to medium-period and long-period antirust type cutting oil and a preparation method thereof. The medium-period and long-period antirust type cutting oil is prepared from 0.5 to 5 parts of sulfurized olefin, 2 to 7 parts of sulfurized fatty acid ester, 1 to 5 parts of high molecular polyester, 5 to 40 parts of non-drying oil, 5 to 30 parts of synthetic ester, 2 to 10 parts of an antirust agent, 0.1 to 3 parts of a film forming auxiliary agent, 0.1 to 1 part of an antioxidant and the balance of mineral oil. The preparation method of the medium-period and long-period antirust type cutting oil comprises the following preparation steps: 1) adding the mineral oil, the high molecular polyester, the antirust agent,the film forming auxiliary agent and the antioxidant, and heating to 55 to 70 DEG C; stirring for 15 to 25min and uniformly mixing; 2) stopping heating; adding the sulfurized olefin, the sulfurized fatty acid ester, the non-drying oil and the synthetic ester and continually stirring for 25 to 35min; uniformly blending to prepare a finished product. The medium-period and long-period antirust type cutting oil provided by the invention has good lubricating performance and also has a medium-period and long-period antirust function.

The invention is concerned with photovoltaic and photo-thermal multiple tube of concentrated solar energy. It relates to crystal silicon solar cell felted on the metal heat collector bar, metal pipe felted on this metal bar, echo concentrator in groove shape and encapsulation transparent glass pipe. The echo concentrator in groove shape collects the incident sun's rays to metal heat collector bar and the crystal silicon solar cell on the other face. The glass pipe is vacuum or filled with nitrogen and the solar energy cell is closed in it to avoid oxidation, damp and erosion. A part of the absorbed solar energy changes into electricity and educes outside of glass pipe by metal lead. And a part changes into heat and carries to metal pipe by metal bar, and continues carries out of glass pipe by the matter inside it. It reduces the cell's work temperature and increases photoelectric conversion efficiency. The pipe has higher work temperature of solar cell by generate electricity and heat together.

The invention discloses a nano-carbon solid acid catalyst, a preparation method thereof and application of the nano-carbon solid acid catalyst in a reaction for preparing olefin through butanol dehydration, and belongs to the technical field of nano-carbonic acid catalytic dehydration application catalysis. The nano-carbon solid acid catalyst can catalyze butanol dehydration to generate corresponding olefin products with high selectivity. The catalytic reaction condition is that the reaction temperature is 150-450 DEG C. According to the catalyst disclosed by the invention, phosphate groups are loaded on the surface of the nano-carbon material through a wet impregnation method, so that the types and the quantity of acidic groups on the surface of the nano-carbon material are regulated and controlled; and the phosphate groups can interact with a carbon substrate and can be kept stable for a long time in a catalytic reaction, so that the selectivity and conversion rate of a nano-carbon catalyzed butanol dehydration product are effectively improved. As a solid acid catalyst, the catalyst has the characteristics of convenience in preparation, low cost, high activity, long-time stability and the like, and has a good application prospect in an alcohol gas-phase dehydration reaction process.

The invention discloses a preparation method and application of a water-etched graphene confinement Pt nano composite material, wherein the water-etched graphene confinement Pt nano composite materialis Pt/GO(H2O). The preparation method comprises the following steps: directly loading Pt nanoparticles onto graphene by utilizing a wet chemical reduction method to obtain Pt/GO; and then adopting aCVD method to enable vapor deposition to etch the surface layer of the graphene to prepare Pt/GO(H2O). According to the invention, the Pt/GO(H2O) prepared by the method shows good butane dehydrogenation catalytic performance; and more defects are caused to graphene through the etching effect of water to well stabilize the Pt nanoparticles, so that the Pt nanoparticles have higher conversion rate and selectivity in the selective dehydrogenation reaction of n-butane.

The invention relates to a Bi2S3-doped PbS thermoelectric material and a preparation method thereof. The Bi2S3 doping proportion in the thermoelectric material is 1-5.5wt%. The preparation method is that a hydrothermal method is used for synthesizing Bi2S3-doped PbS powder, and the thermoelectric material is obtained through spark plasma sintering (SPS). The thermoelectric material obtained by the preparation method is characterized in that the seebeck coefficient absolute value is reduced, the conductivity is increased, the thermal conductivity is reduced, the thermoelectric figure of merit ZT is increased, and the thermoelectric property is effectively improved.

The invention relates to a preparation method of a photosynthetic bacterium solid medium, and belongs to the technical field of medium preparation. The preparation method mainly includes the steps that mistletoe leaves are pretreated, stir-fried and ground, and mistletoe leaf powder is obtained; then, the mistletoe leaf powder, Prunus persica (L.) Batsch and liquid supernatant in a biogas digester are stirred, mixed and fermented, and mixed fermentation liquor is obtained; then, the mixed fermentation liquor and substances such as sodium acetate and ammonium chloride are stirred and mixed, the mixture is sterilized, and the photosynthetic bacterium solid medium is obtained. According to the preparation method, the mistletoe leaves are fully utilized for fermentation, so that the photosynthetic bacterium solid medium is loose and porous, and the problems that the production process is difficult to control and large-scale production is difficult to achieve in a shallow-layer or thin-layer fermentation process are avoided; besides, transportation is convenient, packaging is easy, and cost is lowered.

The invention discloses an article for daily use, discloses a method for producing natural bamboo fibers, and belongs to the technical field of textile industry. The method includes thoroughly cleaning the surfaces of bamboo by the aid of running water; chopping the bamboo along the directions of fibers to obtain bamboo strips; placing the bamboo strips in a metal sealed container; adding an appropriate quantity of purified water into the metal sealed container; pressurizing and heating the metal sealed container to quickly carbonize the bamboo strips and optionally appropriately adjusting the temperatures and the pressures according to the tenderness of the bamboo; quickly opening a gate on the right side of the metal sealed container and instantly releasing the pressures; bursting the bamboo strips in the metal sealed container out of the metal sealed container under the effect of the pressures and directly bursting the bamboo strips into a recycling device. The pressures are suddenly decreased, so that volumes of the bamboo strips are quickly expanded, and the bamboo strips are broken and are decomposed into small and slender natural bamboo fiber yarns in the shape of cotton. The method has the advantages that working procedures are simple, the natural bamboo fibers are convenient to produce and free of optional chemical reagents, are environmentally friendly, are hygienic, are beneficial to the physical health of people and can be produced on a large scale, and the method is easy to popularize, good in production controllability and high in production efficiency.