168results about How to "Large market capacity" patented technology

The invention discloses microbial feed additive used for pigs, and a preparation process thereof; the prescription is as follows: 1 portion of bacillus licheniformis, 1 portion of bacillus subtilis, 2 portions of bifidobacterium, 2 portions of enterococcus faecalis, 2 portions of enterococcus faecium, 1 portion of boas-oppler bacillus, 1 portion of lactobacillus casei, 1 portion of lactobacillus lactis, 1 portion of plant lactobacillus, 1 portion of candida utilis, 1 portion of saccharomyces cerevisiae, 80kg to 100kg of panela, 3kg to 5kg of salt, 5kg to 8kg of vinegar, 3kg to 5kg of lysine, 1kg to 2kg of methionine, and 1000L of pure water; the weight of each portion of strain is 2g to 5g. The preparation process is as follows: strain preparation, nutrient broth preparation, inoculated fermentation and check. The invention reduces the quantity of the used individual strain, and the strain quality is safe and reliable. The production process is simple and feasible, the effect is obvious; therefore, the invention has promotion value.

The invention discloses a portable fault diagnosis tester applied to a petrochemical production device, comprising an instrument shell, a hardware mainboard, a CPU (Central Processing Unit), a memory, a hard disk, a power supply, a rechargeable battery, a minisize liquid crystal display, a display card, a minisize keyboard, various communication interfaces, a plugin multi-path AD/DA data collector and the like. The fault diagnosis tester can uninterruptedly collect on-site data all day long through simple system arrangement, and the sampling frequency can be set. The invention has small volume, light weight and convenient carrying, solves the bottleneck problem that the fault diagnosis technology is applied to a practical industrial field, has the advantage that the fault diagnosis testercan be used after a network cable is plugged especially for a petrochemical production device provided with a DCS system or a PLC (Programmable Logic Controller) or an intelligent instrument, therebythe invention is very convenient to use.

This invention relates to a method for producing construction gypsum powder from ardealite. The method comprises: (1) prehomogenizing ardealite waste residue, placing in a continuous high-efficiency calcining kiln, and calcining; (2) taking out and aging naturally for 7-15 d; (3) milling into 100-200 mesh powder. This invention uses a unique calcination technique to produce high performance construction gypsum from ardealite waste residue, and has such advantages as no secondary pollution and saved water resource.

The invention relates to a biological degradation foamed plastic which comprises the following components and contents: polylactic acid resin: 100 portions; polylactic acid plasticizer: 10 to 20 portions; polyhydroxy alkanoates multipolymer: 10 to 50 portions; corn starch: 20 to 60 portions; foaming agent: 8 to 17 portions; blowing promoter: 2 to 4 portions; lubricant: 0.8 to 1.2 portions; antiager: 0.45 to 0.70 portion, and the amount is calculated by weight. The biological degradation foamed plastic of the invention also provides a manufacturing method for manufacturing the biological degradation foamed plastic. The biological degradation foamed plastic is characterized by low density, high specific strength, good shock absorption performance and complete biological degradation, can be applied not only in the shock absorption packages of industrial products, such as domestic appliances, electron, instruments, industrial fittings and glass/ceramic etc., but also in a field that needs heat preservation and thermal insulation, thus the biological degradation foamed plastic of the invention is a new environmental-friendly packaging material.

The invention relates to a pesticidal microemulsion, comprising agricultural active ingredients and synergy and/or toxicity antagonistic effective amount of natural (macromolecular) materials. The invention also relates to the preparation method of the pesticidal microemulsion and the application of the natural (macromolecular) material in the pesticidal microemulsion used as synergist and/or toxicity antagon. The pesticidal microemulsion in the invention is provided with remarkable synergistic effect and improved safety property in utilization.

The invention discloses a treatment method of Bayer method red mud, comprising the following steps: (a) the red mud is sorted by a beneficiation method and divided into three parts, namely, rough sand, fine sand and soil mortar; (b) milling grinding and settling separation are carried out to the rough sand in the step (a) to obtain rough sand one and tailing ore slurry one; (c) after the rough sand one in the step (b) and the fine sand in the step (a) are mixed, magnetic separation is carried out to obtain iron powder and quartz powder; (d) the iron powder obtained in the step (c) is refined and sorted by a magnetic separator to obtain fine iron powder F and fine iron powder P; and (e) the soil mortar in step (a) is pulse magnetic separated to obtain tailing ore slurry and fine iron powder PI. The method can reduce 35-40 percent of red mud discharge, the iron element effective utilization rate can reach more than 70 percent, and the monomer quartz extraction yield can reach 80 percent. The method optimizes the production flow of alumina by using a combination method, reduces the red mud discharge, protects the environment, reduces the production cost of alumina and improves the alumina production capacity.

The invention relates to a method for producing sulfuric acid and co-producing calcium carbide by phosphogypsum, and belongs to the technical field of environmental protection. According to the method, phosphogypsum is subjected to a water washing and purification pretreatment by a multi-stage cyclone; then the pretreated phosphogypsum is dried and dewatered; the dewatered phosphogypsum enters a multi-stage suspension heat exchanger to carry out preheating; the hot state gypsum enters a circulating fluidized bed decomposing furnace, then primary air and secondary air are respectively introduced to carry out decompositions; high temperature sulfur dioxide-containing flue gas discharged from the top of the circulating fluidized bed decomposing furnace enters the multi-stage suspension heat exchanger to carry out heat exchanging and cooling with the cold state gypsum; dust in the cooled hot flue gas is removed by a multi-stage dust removing device; the dust-removed flue gas enters an acid washing and purification system to further remove the dust and the gaseous impurities in the flue gas; the purified and cleaned flue gas is conveyed into an acid preparation system to produce the sulfuric acid product; the hot state calcium oxide discharged from the bottom of the circulating fluidized bed decomposing furnace is cooled, and conveyed into a sealed calcium carbide furnace to carry out an electrical arc reaction with a carbon material to generate the calcium carbide product; the high temperature furnace gas discharged from the top of the sealed calcium carbide furnace is directly conveyed into the decomposing furnace, wherein the high temperature furnace gas is adopted as a fuel and a reducing agent. The method of the present invention has good environmental protection benefits and strong economic advantages.

The invention provides a method for coproducing cyclohexanol and alkanol. The method comprises the following steps: preparing benzene and/or cyclohexane into cyclohexene, carrying out addition-esterification on the cyclohexene in a catalytic distillation tower, obtaining carboxylic acid/ cyclohexyl carboxylate material flow at the bottom of the tower, hydrogenating the material flow to obtain the cyclohexanol and the alkanol. The esterification and hydrogenation reactions in the method have high conversion rate and selectivity, and high atom economy; the process is environment-friendly; the alkanol is coproduced when the cyclohexanol is produced, in particular, when acetic acid is used, the cheap acetic acid is converted into ethanol with high cost and large market capacity in an indirect manner, so as to increase the economical efficiency of the process.

An inferior land green vegetation ecological reconstruction system comprises a water storage pond, an organic nutrient solution pond, a water supply and discharge pipe network, a soil fertility improving pipe network and a tree variety transplantation protection device; the tree variety transplantation protection device is arranged inside grids of the water supply and discharging pipe network; nodes of the soil fertility improving pipe network are arranged inside grids of the water supply and discharging pipe network. The inferior land green vegetation ecological reconstruction system has the advantages of being reasonable in structure and reliable in performance and achieving water resource recycling due to recycle washing of the saline-alkali soil through water feeding and discharging of the system, overcoming disadvantages of other discharging pipes, improving the soil, reducing salt and alkali performance and being outstanding in zoology vegetation construction of salt and alkali areas and large in market capacity, wide in prospect and having great market and social values.

The invention belongs to a process for preparing white carbon black and in particular relates to a process for producing precipitated white carbon black by silicon tetrachloride. The process comprises the following steps: adding the silicon tetrachloride into 29 to 33 mass percent hydrochloric acid aqueous solution which contains a dispersant, controlling the temperature to between 28 and 45 DEG C for reaction to generate silica sol and chlorine hydride gas, standing and ageing the silica sol to form colloidal white flocculent sediment, filtering, separating and washing the sediment, and pelletizing and drying the sediment to obtain the precipitated white carbon black. The process has short flow, relatively simple production equipment and process control, and available raw materials, effectively utilizes the silicon tetrachloride, totally reclaims the product chlorine hydride, reduces the processing expense, the amount of waste acid and the environmental pollution, and has low production cost, wide application and large market capacity.

The invention relates to a method for coproducing cyclohexanol and ethanol, which comprises the following steps: carrying out addition esterification reaction on acetic acid and cyclohexene by using reaction rectification to prepare cyclohexyl acetate; and hydrogenating the cyclohexyl acetate to coproduce the cyclohexanol and ethanol. The method can be used for coproducing the cyclohexanol and ethanol at high efficiency and low cost.

The present invention relates to a method of preparing the cyclohexyl alcohol epoxide. The method is characterized in that the amount of the organic compound catalyst containing the transition metal is only 5 to 500 ppm of the total weight of materials; the olefin is added in the cyclohexyl oxide compound containing the cyclohexyl hydrogen peroxide; the molar ratio between the olefin and the cyclohexyl hydrogen peroxide is between 0.2 and 20 to 1; under the pressure of 0.1MPa to 6.0MPa and at the temperature between 0 and 200 DEG C, the epoxidation reaction is done for 10 to 20 minutes to prepare the cyclohexyl alcohol and epoxide. The present invention uses the oxygen decomposed from the cyclohexyl hydrogen peroxide for the epoxidation; thus the present invention not only saves the cost of the oxidant of the epoxidation of olefin, but also obviously improves the collection rate of the cyclohexanol and cyclohexanone decomposed from the cyclohexyl hydrogen peroxide. In particular, the dosage of the selected catalyst is minimal so as not to be recycled; the process is simple and the cost is low.

The invention relates to a cuppric nonyl phenolsulfonate-containing compound water-based pesticide and a preparation method as well as application thereof. The cuppric nonyl phenolsulfonate-containing compound water-based pesticide contains cuppric nonyl phenolsulfonate, other pesticide active ingredients, auxiliary agents and water, wherein the auxiliary agents comprise solvent, cosolvent, an emulsifier, a dispersant, a wetting agent, a stabilizer, a penetrant, an anti-freezing agent, an anti-foaming agent and the like. The cuppric nonyl phenolsulfonate-containing compound water-based pesticide has an obvious synergistic effect; the problems of difficulty in compounding and difficulty in mixing in actual use of the cuppric nonyl phenolsulfonate are solved; the prevention and treatment range is expanded; various acting mechanisms are effectively combined to realize high-efficiency, quick and lasting treatment and prevention; and the safety in use is improved. The water-based pesticide has the advantages of low toxicity, high efficiency and environmental friendliness.

The invention discloses a method for joint production of sulfuric acid and refined iron powder by mixed burning of ferrous sulfate and pyrite and belongs to the technical field of environmental protection. The method comprises the following steps of: preparing ferrous sulfate monohydrate from ferrous sulfate heptahydrate by high-temperature crystal transformation, filtration and drying; drying and then feeding to drying equipment for free water removal together with ferrous sulfate monohydrate which is separated by concentrating waste acids from titanium dioxide production; drying and then feeding the mixture of ferrous sulfate monohydrate, pyrite and solid sulfur to a circulating fluid bed decomposition furnace; and introducing primary and secondary air for cyclic thermal decomposition. The high-temperature sulfur dioxide-containing flue gas discharged from the top of the circulating fluid bed decomposition furnace is subjected to cooling and dedusting treatment by a waste heat boiler, a cyclone dust collector and an electric dust collector and then fed into a dilute acid washing and purifying system and a double-transformation double-suction acid making system to produce sulfuric acid. The refined iron powder discharged from the circulating fluid bed decomposition furnace and the refined iron powder collected by the waste heat boiler, the cyclone dust collector and the electric dust collector, which have a thermal state w (Fe) of more than or equal to 60%, are cooled by a hot-material cooler and then fed into a refined iron powder bin. The method has good environmental and social benefits.

The invention relates to the deep processing technology of jerusalem artichoke, in particular to a method for producing jerusalem artichoke whole powder, which solves the problems of simple process in the conventional method for producing the jerusalem artichoke whole powder, poor dissolubility and a large number of impurities of the jerusalem artichoke powder due to the single enzyme, damaged nutritional ingredients and flavor of products and the like. In the method, powder is prepared from natural and fresh jerusalem artichoke serving as a main raw material through the steps of cleaning, blanching, mashing, colloid milling, enzymolysis, homogenizing, sterilizing, centrifugation, micro-filtration, drying, powder collecting, sieving, packaging and product warehousing. In the method, a wet process is adopted, and the processes of blanching, enzymolysis and spray drying are introduced, so the problems of poor color and luster, mouthfeel and dissolubility of the conventional products are solved, the quality and yield of the products are improved, and the production cost is reduced.

A technical handling method of cuprum wires cross relates to the annealing process of cuprum wires cross and comprises the following steps: putting cuprum wires cross into a annealing furnace, pumping air in the furnace to form negative-pressure in the furnace, filling the furnace with carbon dioxide protective gas; performing a heating treatment of two stages under pressure, performing a gas releasing decompression processing between stages, then cooling-down slowly in the furnace for 0.3-1 hour, and opening the furnace to cool-down naturally to atmospheric temperature. Therefore, electrical soft wires cross through such annealing treatment has brightening surfaces and excellent finish, without greasy dirt or other soils; exhibits uniform flexibility and strong antioxidant ability, and can be stored for a long time.

The invention discloses a method for making natural longan powder, which carries out the steps of cleaning of dried longan fruit pulp, blanching, beating, enzymatic hydrolysis, colloid milling, blending, homogenizing, sterilization, drying, powder collection, screening and the like, thereby preparing a longan powder product; and the processing is completed by adopting the mechanized continuous operation way. The longan powder prepared by the method can solve the problems of poor color, luster and solubility of the existing products, low product yield and the like. The technical scheme is characterized by introducing the treatment technologies of color protection, enzymatic hydrolysis and spray drying. The product keeps the flavor and the nutritional ingredients of longan and has natural color and luster, high solubility and good taste, and the making process does not add any pigments, essences, preservatives and other chemical substances, thereby having no side effects and being the pure natural fruit powder.

The invention relates to a method for producing construction gypsum from modified phosphogypsum, which belongs to the technology field of phosphorus chemical industry. The raw materials of phosphogypsum and carbide slag are pulverized and then mixed with Al2O3 and rare earth metal as modifiers, at a weight ratio of (76-88) :(5-15):(3-10):(0.5-1.5), the resulted mixture is granulated and modified by calcination process free of water washing, under such conditions that the calcination temperature is controlled at 150-300 DEG C and the calcination time is 20-30 minutes, and then discharged to obtain modified phosphogypsum. The product performance meets and complies with the premium grade in GB9776-88 standards 'Construction Gypsum'. Additionally, the invention has the advantages that: the modification process has short treatment time and low energy consumption, the invention realizes the reasonable utilization of phosphogypsum resources, and the invention is significant in solving the problems of land occupation and environmental pollution in phosphogypsum storage.

The invention discloses a method for fully recycling municipal solid waste. The method includes steps of garbage classification, garbage stabilization and catalytic cracking. The municipal solid waste is fully recovered and recycled. A harmless and resource-utilization treatment is achieved. Defects of long-period occupying land and polluting land resource in municipal solid waste incineration and landfill are avoided. Discharges of waste water, waste residue and waste gas are avoided. A Defect that landfill leachate and stink in the landfill seriously pollute the environment is avoided. A highest temperature during a production process is not higher than 180 DEG C and the method is free of generation of dioxin. A finished product can be a building product without generation of organic fertilizers. The defect that heavy metal in garbage compost harms human and livestock through food chain is avoided. All the environmental-protection indexes of the building product generated in the method reach requirements in national relative standard. The building product is huge in a market capacity. A problem that the building product is turned into new garbage since the product is lack of outlet is avoided.

A closed-circuit recycling process of waste gas and waste residue generated during the production of brown fused alumina and calcium carbide is a closed-circuit recycling process which utilizes flue dust and flue gas containing carbon dioxide collected when brown fused alumina is produced as well as calcium carbide residue and flue gas containing carbon dioxide when calcium carbide is produced toproduce high-grade silica, high-grade nanometer calcium carbonate and waterproof heat insulation powder. The closed-circuit recycling process comprises the following steps: fused alumina flue dust isimmerged in alkali and dissolved out in normal pressure; calcium carbide residue is calcined and nitrated; and carbon dioxide obtained when the flue gas is purified is used for carbonating alkali immersion liquid of fused alumina flue dust and nitrating serum. By adoption of the process provided by the invention, waste gas and waste residue generated when brown fused alumina and calcium carbide are produced are transformed into valuable chemical products, so that internal cycling of material is realized, three wastes are emitted outside no longer, and secondary pollution is avoided. The process is suitable for industrial application.

The invention discloses a baking-free brick with waste rubber and coal ash as major raw materials. The baking-free brick is composed of the following raw materials in parts by weight: 3-10 parts of waste rubber, 30-45 parts of coal ash, 20-25 parts of yellow sand, 5-10 parts of cement, 10-15 parts of calcium oxide, 3-5 parts of calcium sulfate, 1-2 parts of sodium sulfate, 1.5-2 parts of sodium hydroxide, 0.01-0.05 parts of sodium metaaluminate and 8-15 parts of water. The baking-free brick has the advantages that (1) the major problems that the coal ash baking-free brick is high in water absorption and poor in resistance to freezing and thawing resistance are solved, and the application field and region of the coal-ash baking-free brick are greatly expanded; (2) the production process is simple, the investment is low, the cost is low, the benefit is good, the market competitiveness is strong and the capacity of the market is great; and (3) the solid wastes such as waste tire and coal ash are used for making bricks instead of the traditional clay bricks, so that the baking-free brick is a green novel building material and is an important development project in China.

The invention relates to a method for producing a baked brick by using a rare-earth metal modified coal gangue. The method comprises the following steps of: crushing the coal gangue to pelletize with clay and rare-earth metal; feeding the granules into a blender to uniformly blend and mix by adding water; then feeding the mixture into a brick machine for performing compression molding; and finally putting the mixture into a sintering kiln for sintering into a finished product so as to obtain a common baked brick which accords with GB5101-2003 and can be directly used as a building material.