101results about How to "Reduce process production costs" patented technology

The preparation process of nanometer mesoporous TiO2 powder includes TiO2 gel particle with titanyl sulfate and sodium hydroxide as main material, water as solvent and surfactant; and subsequent filtering, drying, heat treatment and grinding to prepare nanometer anatase type mesoporous TiO2 powder with pore diameter of 2-15 nm, particle size of 8-15 nm and specific surface area of 80-150 sq m/g. The preparation process has low cost is suitable for industrial production. The prepared nanometer mesoporous TiO2 has wall of nanometer anatase type crystal, may be ultraviolet excited to generate photoelectron and photohole and is suitable for use as catalyst.

The invention discloses a method for treating rare earth ammonium chloride wastewater, belonging to the field of wastewater treatment. The method for treating the rare earth ammonium chloride wastewater comprises the steps of: dissolving ammonium chloride rare earth, carrying out organic phase saponification, carrying out extraction separation, recycling wastewater, stripping, carbon-sinking, washing, evaporating, cooling and crystallizing. According to the method, ammonium chloride raffinate and carbon sink mother liquor which are generated by extraction separation on the rare earth are used as the solvents of the ammonium chloride rare earth for recycling so that the ammonium chloride in the wastewater is increased, the ammonium chloride is favorably evaporated and condensed, and energy resource consumption is reduced. Meanwhile, washing liquor of rare earth carbonate precipitates is recycled for preparing a precipitating agent, thus water resources are saved. The mass percent of the ammonium chloride in the recycled finished product is 91.7-96.5 percent in the terms of dry basis; and the economic benefit is remarkable, the wastewater is recycled, and zero emission of the rare earth wastewater is recycled.

The invention discloses an automated mask management system and method. The system comprises a production management module, a mask management module, a process execution module, a mask processing module and a mask storage module, wherein the production management module can be in data interaction with the mask management module, the process execution module, the mask processing module and the mask storage module respectively through an EAP (Equipment Automatic Program) and a server. According to the system and the method, disclosed by the invention, a mask can be accurately applied to a corresponding photoetching machine, a corresponding photoetching process and a corresponding photoetching product, so that the error ratio caused by human factors is reduced, the range of influence caused after problems occur is reduced, the use conditions of the mask can be effectively monitored, and the mask trace tracking is facilitated; and thus, the subsequent data analysis is facilitated, the feedback speed is accelerated, and then, the management is timesaving and laborsaving, so that the process production cost is reduced, and the problem of yield caused by human errors is solved.

The present invention is one method of preparing potassium sulfate with sulfate type lake bittern resource. The preparation process includes the following steps: shining bittern to obtain mixed sulfate mineral with sodium chloride, schoenite, magnesium sulfate and potassium chloride as main components and mixed potassium salt mineral with sodium chloride, potassium chloride, magnesium sulfate and carnallite as main components; mixing these two kinds of mineral and converting with water at normal temperature to obtain coarse mixed schoenite mineral; floating the mixed schoenite mineral to obtain concentrated mixed schoenite mineral; adding water to the high-grade concentrated mixed schoenite mineral and decomposing directly to obtain potassium sulfate product; water washing the tailing to obtain industrial salt. The technological process is power saving and low in cost, and has other advantages.

The invention discloses a method for producing steel for a low-nitrogen stranded wire by use of the non-vacuum process of a converter, belonging to the technical field of steel for prestressed steel strand. The method comprises the steps of molten iron desulphurization and slagging off, converter smelting, slag blocking and tapping, steel ladle deoxidization and alloying, steel ladle slag modification, LF steel ladle refining, Si-Ca wire feeding, steel ladle bottom soft argon blowing, full-protection casting of 160mm*160mm small square billet and terminal electromagnetic stirring matched with a crystallizer; the technical parameters of control are as follows: the converter adopts double-slag operation, the end point carbon is under 0.20-0.30% control, the tapping temperature is 1,600-1,630 DEG C, and the thickness of roughing slag is 0-50mm; a micro-nitrogen carburant (N: 0.005-0.025%) is matched with 5kg of carbon per ton of steel, 1.5kg of Si-Ca-Ba per ton of steel is added for deoxidization, and 4kg of synthetic slag per ton of steel is added; the oxygen activity outside the LF refining station is controlled to be less than or equal to 10ppm, and the content of FeO and MnO in final slag is less than or equal to 3%; and 1m Ca-Si wire per ton of steel is fed, and the soft argon blowing time is 12-30 minutes. The method disclosed by the invention remarkably lowers the production cost and reaches the nitrogen quality control level of steel for producing a stranded wire in a vacuum degassing process.

The invention discloses a novel process for preparing a dietary fiber by high-value comprehensive utilization of wheat bran. A dietary fiber product is creamy white in color, functional indexes are far higher than dietary fiber standards commonly used by western countries, and the dietary fiber product can serve as a high-quality dietary fiber and an ideal food additive. The novel process has the advantages that firstly, dietary fibers in the bran are extracted by ultrasonic-assisted enzymolysis protein removal starch, compound microorganism liquid fermentation, ultrasonic-assisted enzymatic hydrolysis with cellulase and lactic acid bacteria solid fermentation processes, secondly, bran cellulose and lignin subjected to ultrasonic-assisted enzymatic hydrolysis and microbial fermentation are high in degradation rate, nutrient values of the dietary fibers in the bran are remarkably improved, thirdly, the production cost of the process is low, industrial production is facilitated, and a high-efficiency, low-cost, safe and feasible bran dietary fiber development and utilization method is established.

The invention discloses an RTM (resin transfer molding) technology for composite material molding. The RTM technology for composite material molding comprises the following steps of: step one, placing glass fiber reinforcing materials in advance in a mold cavity of a mold; step 2, injecting a prepared resin glue solution into the mold cavity from an injection hole after a mold is closed and locked at certain temperature and pressure, and soaking the glass fiber reinforcing materials; and step 3, controlling the temperature and curing through a heating device in the mold, starting up the mold, and demolding. The RTM technology for composite material molding disclosed by the invention can effectively solve the problems of longer molding time as well as great product deformation in the prior art, and the technology is low in production cost, and is beneficial to popularization.

The invention discloses a thermal barrier/high-temperature low infrared emissivity integrated coating. The coating is of a multilayer stacked structure. The multilayer stacked structure successively comprises a metal bonding layer, a thermal barrier ceramic layer and a low infrared emissivity layer from inside to outside. The thermal barrier ceramic layer is a rare earth hexaaluminate layer, and the low infrared emissivity layer is a Bi2O3-MgO-Al2O3-Li2O-SiO2 serial glass coating containing a conductive phase Pd powder. The integrated coating has the advantages of heat-insulating property, high-temperature low infrared emissivity, high bonding strength and the like. The metal composite material with the coating is simple and manure in process, relatively low in cost and easy for scaled production and application.

The invention provides a preparation method for an anti-oxidation anti-ultraviolet active yeast extract by using an atmospheric pressure low temperature plasma generating device, belonging to the field of application of low temperature plasma technology. The preparation method is characterized by comprising the following successive steps: culturing yeast cells; selecting a type of an atmospheric pressure low temperature plasma generating device and setting working parameters; treating a suspension of the yeast cells by using atmospheric pressure low temperature plasma; and extracting active substances of the yeast cells having undergone plasma treatment. The preparation method provided by the invention has the advantage of capacity of highly efficiently and conveniently changing the activity of an enzyme in the yeast cells. The prepared active yeast extract can be used as an additive for articles of everyday use and has anti-ultraviolet, anti-oxidation, anti-ageing, fresh-keeping, sterilization and anti-inflammation effects and the like. According to the invention, since the active yeast extract is produced by using microbial fermentation, the environment and natural resources pose no influence, industrialization and automation can be easily realized, and the method has the advantages of low production cost, easiness, stability, easy regulation and control and a high success rate. Enterprises of various scales can invest on the preparation method provided by the invention.

The invention belongs to the technical field of urea production, and concretely discloses a production system of an aqueous urea solution for motor vehicles. The production system of the aqueous urea solution for motor vehicles is characterized in that raw water adopts municipal tap water or underground water, urea adopts generally agricultural or industrial urea, and the aqueous urea solution for motor vehicles is prepared through preparing highly pure water, dissolving common urea and purifying a urea solution. The commercial price of the common industrial and agricultural urea is 1500 yuan/t, and the is remarkably lower than that pure urea having a high price, so the cost taken in the production of every ton of the aqueous urea solution for motor vehicles by using the production system of the aqueous urea solution for motor vehicles is 500 yuan or above lower than the cost taken in the production of every ton of the aqueous urea solution for motor vehicles by using a traditional highly-pure urea preparation technology, the production cost is remarkably reduced, and the running cost of every ton of the aqueous urea solution for motor vehicles is 550 yuan or below.

The invention discloses a molding technology for a composite material product. The molding technology comprises the following steps of: (1) placing a glass fiber reinforcement material in a mold cavity of a metal mold in advance; (2) after closing the mold and locking, injecting prepared resin adhesive liquid into the mold cavity from an injection hole at a certain temperature and pressure, and soaking the glass fiber reinforcement material; and (3) carrying out temperature control solidification through a heating device in the metal mold, opening the mold and demolding. The molding technology for the composite material product, disclosed by the invention, can effectively solve the problem of incapability of rapid solidification existing in the mold scheme for composite material product and mold materials in the prior art, and the molding technology is low in production cost and is beneficial to popularization.

The invention relates to a preparation method of isoxepac, belonging to the field of organic matter synthesis. The preparation method sequentially comprises following steps of: 1) condensation: preparing 8-12 parts of p-hydoxyphenylactic acid by weight, 6-12 parts of phthalide by weight and 8-12 parts of sodium methylate, dissolving the p-hydoxyphenylactic acid and the phthalide by using DMAC (dimethylacetamide), adding the sodium methylate, heating the solution to 80-170 DEG C for reaction for 3-10h under pressure of 0.1-10Pa, regulating pH (potential of hydrogen) to 1-5, and conducting crystallization to precipitate 4-(2-carboxybenzyloxy) phenylacetic acid; 2) cyclization: dissolving the 4-(2-carboxybenzyloxy) phenylacetic acid obtained in the step 1 by using glacial acetic acid, adding 3-52 parts of polyphosphoric acid by weight, heating the solution to 30-100 DEG C for reaction for 3-12h under pressure of 0.1-10Pa, and then conducting cooling crystallization to obtain crude isoxepac products; and 3) purification: dissolving the crude isoxepac products by using ethyl acetate and then conducting refining and decolorization to obtain isoxepac products. The preparation method provided by the invention has the advantages of environmental-friendly production, low production cost, high product yield and purity, and short production cycle.

The invention relates to a mobile phone which has the function of measuring the intensity of illumination, and belongs to the technical filed of mobile phone intensity of illumination measuring. The illumination is sampled, compensated and amplified by arranging an intensity of illumination measuring device which comprises an intensity of illumination sensor, a compensating and an amplifying circuit center processor; and the intensity of illumination is accounted through an intensity of illumination measuring module. The invention fully utilizes the character that the mobile phone is carried around, thereby solving the technical problem of inconvenience in measuring the intensity of illumination outdoors. The invention is in particular suitable to be used as an assistant measuring device for scientific research, thereby being beneficial for the physical research on atmosphere and the instruction on agricultural production.

The invention relates to the technical field of model production, in particular to an anti-corrosion treatment process for a model surface. The anti-corrosion process for the metal is divided into three types, namely metal anode protection, metal cathode protection and non-metal coating protection on the metal surface at present, but the effect of a method in the prior art is not ideal. For nylonproducts, large-effect and thin-walled nylon products need to be formed by injection molding, and large-effect and thick-walled nylon products need to be formed by casting; and the nylon products areadhered to a forming mold and not prone to demoulding during forming, so that the products are easily deformed or broken. The anti-corrosion treatment process for the model surface has the advantagesof being water-based and environment-friendly, non-sticky, high in adhesive force, high in high temperature resistance, high in hardness and high in corrosion resistance. The preparation method of graphene-based or graphite oxide-based anti-rust paint is low in process production cost, flexible and controllable, and suitable for modification of anti-corrosion coatings of many varieties and metal corrosion prevention in a larger range; and the anti-corrosion coating with high performance and high quality can be prepared and widely applied to corrosion prevention of metal surfaces.

The invention discloses a smelting silicon aluminum barium alloy preparation method, this method take the certain granularity silica, the bauxite, the barite, the steel filings and the coke as a raw material, after the certain ingredient compared to the mix, invests in the ore hot stove to carry on smelting, smelting temperature 1800-2500deg.C, the smelting time is in turn 2-3 hour is an end product. The method smelting silicon aluminum barium alloy output high, the electricity consumes lowly, economic efficiency considerable, the operation is simpler.

The invention discloses a method for decomposing a phosphate rock acidolysis liquid by nitric acid to remove calcium byproduct alpha high-strength gypsum. The method comprises: decomposing phosphoriteby nitric acid, filtering out acid insoluble substances, partially neutralizing the acidolysis liquid, regulating and controlling the concentration of calcium ions in the acidolysis liquid, adding the acidolysis liquid into a crystallization tank containing a mixed solution of additional phosphoric acid and ammonium sulfate, controlling the reaction temperature to be 50-70 DEG C and the reactiontime to be 0.5-2 hours to firstly generate dihydrate gypsum, then, making the reaction slurry flow into a crystal transformation tank, and raising the temperature to 95 to 110 DEG C for reacting for aperiod of time so that an alpha-type high-strength gypsum product can be produced as a byproduct. According to the invention, the acidolysis liquid can be used for producing products such as fine phosphate, high-water-solubility phosphate fertilizer and the like, meanwhile, calcium resources in the acidolysis liquid are converted into an alpha high-strength gypsum product, solid waste phosphogypsum is changed into product phosphogypsum, environmental risks caused by the fact that a large amount of solid waste phosphogypsum is produced as a byproduct in the ammonium phosphate industry are eliminated, the phosphorus compound fertilizer industry is promoted to adjust the product structure, solid waste emission is reduced, and sustainable development of the phosphorus chemical industry is promoted.

The invention discloses an SPHC low-carbon type steel production technology. A following control method is adopted and comprises the steps that converter end point content low-level control is guaranteed on the premise that it is guaranteed that the converter end point temperature meets the requirements; the CAS refining effect is improved, slag inclusion adsorption is conducted, and meanwhile theRH station inlet oxygen content is decreased to ensure the pouring property of molten steel; a CAS argon blowing model is optimized, argon gas stirring pressure models in the different stages are made, therefore, full floating of inclusions is effectively promoted, and meanwhile the process temperature drop is reduced; RH low oxygen level control is achieved, the RH station inlet oxygen content is decreased, the RH residual oxygen content is precisely controlled, the aluminum consumption is reduced, and the production yield is indirectly decreased; and the continuous casting machine protective pouring argon gas flow is optimized, and the condition that the pouring property is influenced due to water port inclusion concentration is avoided. According to the SPHC low-carbon type steel production technology, the purposes that on the basis that a water port is not displaced in the pouring process, the continuous pouring number is increased, and meanwhile the production cost of the processes is reduced are achieved.