238results about How to "In line with industrial policy" patented technology

Disclosed is a pesticide auxiliary agent whose raw material includes (by mass ratio) plant oil 100, auxiliary solvent 0-50, surface active agent 5-55, the auxiliary agent can be made into the dosage forms of oil miscible concentrate, oil solution, hot mist, aerosol, low-volume spraying agent, pesticide, germicidal agent, sterilizing agent, hygienic pesticide and plant growth agent.

The invention relates to a method for preparing high-performance neodymium iron boron by using secondary recycled materials, which comprises the following steps: (1) preprocessing the secondary recycled materials of the neodymium iron boron: removing impurities and dust from the secondary recycled materials and quickly drying the secondary recycled materials; (2) preparing the raw materials of the neodymium iron boron; (3) mixing materials: adding the preprocessed secondary recycled materials into the raw materials so as to form the mixed materials, wherein the weight of the preprocessed secondary recycled materials is 10-40% of the weight of the raw materials; (4) performing disproportionation reaction in a hydrogen decrepitation furnace; (5) crushing and milling by a jet mill; (6) mixing by using a double cone-type blender; (7) profiling; (8) vacuum-sintering; and (9) tempering the sintered materials: tempering at 900 DEG C for 1-3 hours for the first time, continuing to warm and tempering at 480-550 DEG C for 4-8 hours for the second time, and then performing the conventional quick air cooling, thereby acquiring a sintered magnet. The neodymium iron boron prepared by using the method is characterized in that the secondary recycled materials are used as the main ingredients, thereby saving a large amount of cost, shortening the production period, lowering energy consumption and meeting the national industrial policy. The performance of the prepared neodymium iron boron permanent magnet material can reach N42SH, and the performance index is very high.

The invention discloses an artificial soil and a manufacturing method thereof. The soil comprises components of, by weight: 55-60% of sludge, 25-32% of mining area waste, 6-18% of agriculture and forestry waste, and 2% of an additive. The method for manufacturing the artificial soil comprises steps of: raw material preparing, screening, partial raw material crushing, sludge deodorizing and sterilizing, raw material mixing and stirring, microbial manure adding, and water content and nutrient analyzing and monitoring. According to the invention, the adopted raw materials are wastes which can pollute the environment, such that wastes are turned into valuable matters. With the method provided by the invention, soil reclamation and reparation can be carried out near mining areas.

The invention discloses a lightweight flame retardant and foamy filling material of cement doors and manufacturing method thereof, comprising magnesium oxide, magnesium sulphate, fly ash, high alumina refractory cement, calcium chloride, water proofing agent, water reducing agent and foaming agent, with bulk density ranging between 200 kg/m³ and 500kg/m³; the ingredients are formulated by weight at a rate of: magnesium oxide (40 percent -55 percent), magnesium sulfate (15 percent-40 percent), fly ash (5 percent-20 percent), high alumina refractory cement (5 percent-20 percent), calcium chloride (2 percent-6 percent), water proofing agent (2 percent5 percent), water reducing agent (0.2 percent1.5 percent) and foaming agent (0.1 percent-0.5 percent). With the technical solution, the product has the advantages of high strength, light weight, flame retardancy, sound insulation, weather resistance, thermal resistance, energy efficient, freedom from toxicity, harm and irradiation, low manufacturing cost, simple process, etc, which can be widely employed for fire/theft proof metal interior door, building material and like sectors.

The invention provides a modified asphalt waterproof coiled material with a heat insulation function and a preparation method thereof. The coiled material comprises a bottom film 1, a first modified asphalt layer 2-1, a base layer 3 and a second modified asphalt layer 2-2, and is characterized by also comprising a coverage layer 4, wherein the first modified asphalt layer 2-1 and the second modified asphalt layer 2-2 are sequentially arranged on the upper surface of the bottom film 1; the base layer 3 is arranged between the first modified asphalt layer 2-1 and the second modified asphalt layer 2-2; and the coverage layer 4 is arranged on the upper surface of the second modified asphalt layer 2-2. The surface coverage layer is prepared by proportioning raw materials for a film forming agent, synthesizing the film forming agent and preparing a coverage layer material. The performance of the modified asphalt waterproof coiled material is increased by changing the category and the proportion of a filling material in the raw materials in a waterproof structural layer, so that the modified asphalt waterproof coiled material has extremely high waterproof performance and the heat insulation function and is an ideal building energy-saving product.

The invention discloses a vertical shaft multiple incinerator for pyrolysis, gasification and fusion. The vertical shaft multiple incinerator for pyrolysis, gasification and fusion comprises a vertical coaxial structure incinerator body, a main combustion chamber and a secondary combustion chamber outside the main combustion chamber are arranged in the incinerator body, the main combustion chamber and the secondary combustion chamber are of a horizontal multiple coaxial structure, an annular fusion combustion hearth is arranged between the main combustion chamber and the secondary combustion chamber, a high temperature fusion wall and a rotary fire grate are arranged in the combustion hearth, a shaft-less spiral conveying discharging device is arranged on an incinerator cover on the top of the incinerator body, a deslagging mechanism is arranged on the lower portion of the incinerator body, and a driving device of the rotary fire grate is arranged outside the incinerator body. The vertical shaft multiple incinerator for refuse pyrolysis, gasification and fusion is stable in combustion and reliable in operation; because smoke can stay for a long time at high temperature, it can be guaranteed that dioxin pollutants in the smoke can be fully decomposed and the smoke reaching the standard is discharged; because combustion assisting agents do not need to be added, operation cost is low and floor area is small.

The invention discloses a fly ash activation regeneration composite filtration material and a manufacture method of the filtration material, belonging to the field of water treatment technique. The fly ash activation regeneration composite filtration material consists of 80 to 90 portions of fly ashes or furnace ashes (by weight) with the grain diameter not less than 80 meshes and 10 to 20 portions of porous aluminosilicate mixed powders (by weight); the fly ash or the furnace ash are bonded as grain shape with the granularity less than 8mm; the porous aluminosilicate mixed powders are enwrapped on the surface of the fly ashes or the furnace ashes and burned so as to form a ceramic layer which is provided with an adsorption micro-hole which is communicated with an internal core. The fly ash activation regeneration composite filtration material is fabricated and formed by the steps of raw material mixing, primary granulation, secondary granulation, drying, roasting, etc., and has the advantages of low cost and good purification effect.

The invention relates to a process for purifying gold by the wet method. Firstly, aqua fortis is used to remove silver; secondly, nitric acid is used to remove impurities such as bismuth and copper, etc.; the separation is performed by filtering; in the richly contained gold solution, the gold is reduced to gold powder deposited by an oxalic acid reducing agent with strong reducibility, and the impurities such as platinum, the bismuth and the copper, which are reduced simultaneously, are redissolved by nitric acid added later and enter the solution, and the solution is subjected to the filtering separation to obtain pure gold powder; and the pure gold powder is made to be ingot-shaped by fushion casting, and the finished gold ingots with a gold content of 99.99 percent are obtained. In the invention, the reduction reaction is made by oxalic acid at a low temperature, so that the process of the invention has the advantages of not causing environmental pollution, favorability for the heath of operators, lowering cost, shortening the period and obvious economic and social benefits.

The invention discloses an inorganic composite A-class non-combustible insulation board. The insulation board comprises an insulation core material layer. An interface reinforcement layer is arranged on the outer surface and the inner surface of the insulation core material layer respectively, and each of the interface reinforcement layers comprises an alkali resistant screen cloth layer on the inner layer and a polymer water-proof anti-crack mortar layer on the outer layer. Meanwhile, the ratio of components of the insulation core material layer and the polymer water-proof anti-crack mortar layer is disclosed. The invention further discloses a preparation method of the inorganic composite A-class non-combustible insulation board. The inorganic composite A-class non-combustible insulation board has the advantages that both excellent heat insulation performances and good fire-proof performances are provided. The insulation core material layer and the interface reinforcement layers form an organic whole, so that defects of poor water-proof performances and low surface strength of common inorganic insulation boards are overcome. The insulation board can be pasted through polymer mortar directly when being installed on the wall, tedious interface treatment is not required, construction operations are convenient and rapid, and the bonding between the insulation board and a wall base layer is safe and firm. The wire-proof performance reaches the A class, and the whole fire-proof performance of a wall insulation system is greatly improved.

Disclosed is a ceramics kiln heat recovery semiconductor thermo-electric generation method of the invention and a device, wherein the ceramics device for emitting the residual heat is arranged below the device, and the radiation heat is adsorbed by a collecting plate, which is transferred to the hot face of the semiconductor thermo-electric generation module; the thermal fin with ribs are arranged above the cold face of the semiconductor thermo-electric generation module, then the hot of the cold face is emitted out, thereby generating the temperature difference at the two end faces of the semiconductor thermo-electric generation module. Due to the Bessel effect in the semiconductor, the electric potential difference is generated, outputted through the voltage stabilization and inverting circuit, namely as the power supply. The structure of the device comprises a semiconductor thermo-electric generation module, a collecting plate, thermal fin with ribs, which has the advantages of directly converting the recovery waste beat into the electric energy, to cause the electric power generation process free of noise, abrasion and dielectric leakage, and having small volume, light weight, convenient movement, no maintenance and long service life and the like.

The invention provides a method for preparing aluminum oxide and co-producing hydrochloric acid from crystallized aluminum chloride hexahydrate through pyrolysis crystallization. The method comprises the following steps: sending crystallized aluminum chloride hexahydrate used as a raw material to a pyrolyzing furnace to perform intramolecular dehydration and thermal cracking reaction at 140-900 DEG C and generate the product-aluminum oxide, and using a tail gas treatment system to absorb pyrolytic tail gas and generate the hydrochloric acid byproduct. By adopting the method in the invention, the comprehensive utilization industrial chain of fly ash can be extended, the environmental pollution problem that a lot of fly ash is stored up can be solved, strategic metal resources can be effectively recycled and great economic benefits can be created. The technological process in the invention has the single reactant, concise and clear main process, adequate and stable raw material supply and low production cost; and the emission of three wastes reaches the standard completely, the method in the invention belongs to the comprehensive utilization project of resources and meets the national industrial policy.

The invention belongs to the field of peat reclamation application, and particularly relates to a method for preparing biogas by using peat as a raw material. The method is characterized in that enzyme liquid is added for enzymolysis after the peat is pretreated, activated sludge is mixed for fermenting the biomass, and the content of methane in the biogas is determined to reach 65%. The method has the advantages that energy contained in a peat organic matter is released through an appropriate treatment technology and is converted into biomass energy source biogas, so that the purpose of only using the peat as the raw material for preparing the biogas through anaerobic fermentation is achieved, a new path for comprehensive utilization of abundant peat is opened up, fossil energy can be partly replaced or saved, and the low-carbon cyclic economic development and clean energy substitution are realized in the end.

The invention discloses a synthesizing method of ammonia through purifying hydrogen from tail gas of sodium cyanide and alkali-chloride, which is characterized by the following: adopting natural gas, benzine naphtha and coal carbon as raw material; making nitrogen to synthesize ammonia with nitrogen; protecting environment without polluting; saving power; preparing hydrogen through pressurizing, heating, removing impurity and deoxidizing.

The invention relates to a combined process for preparing a Fischer-Tropsch synthetic oil raw material gas by utilizing a coke-oven gas. The combined process comprises the following steps of: with coarse coke-oven gas as a raw material, removing naphthalene, tar, hydrogen sulfide, hydrocyanic acid, ammonia, organic sulfur and other heavy-hydrocarbon impurities out of coarse coke-oven gas in a pretreatment unit;; then pressurizing the coarse coke-oven gas in a gas compression unit; then converting into CH4 through oxidation of non-catalysis part of the coke-oven gas; and finally carrying out precision desulfurization and deep desulfurization, thereby obtaining the high-quality Fischer-Tropsch synthetic oil raw material gas. According to the invention, through a step-by-step purification combined process, impurities and the sulfurous gas in the coke-oven gas are removed efficiently, so that coke-oven gas becomes the synthetic gas with high additional value and high economic benefit; the coking industrial chain is prolonged; the coke-oven gas is converted into fuel oil, greenhouse gas and toxic gas which are brought about by gas combustion are reduced; the combined process meets national requirements of energy conservation, emission reduction and industry policy and has the advantages of low sulfur, high degree of purification, obvious environment effect, high resource utilization ratio, relative low construction investment in devices, low operating cost and the like.

The invention discloses a method for recovering Pb<2+> from electrolytic zinc rinsing wastewater with calcium-carbonate-modified kieselguhr, which comprises the following steps:(1) adding 10g of fine kieselguhr into 50mL of 0.4-0.5 mol/L Na2CO3 solution, putting in a rotary thermostatic water bath oscillator, stirring, and dropwisely adding 5-5.2 mL of saturated CaCl2; after stirring, taking out, removing the supernatant solution, carrying out vacuum filtration, washing with pure water to a neutral state, centrifuging for solid-liquid separation, drying, pulverizing, and passing through a 200-mesh sieve to prepare a calcium-carbonate-modified kieselguhr adsorbent; and (2) adding 10mL of 0.1 g/L calcium-carbonate-modified kieselguhr adsorbent prepared in the step (1) into a 250 mL a conical flask with a stopper, adding 100mL of Pb<2+>-containing electrolytic zinc rinsing wastewater solution with the pH value of 4.83-4.85, adsorbing at 25-30 DEG C for 120-125 minutes, plugging, and oscillating in the rotary thermostatic water bath oscillator at the speed of 150 r/min to adsorption equilibrium. The invention can be used for recovering Pb<2+> from electrolytic zinc rinsing wastewater, and enhances the recovery rate.

The invention discloses a sludge drying processing device and a technology thereof. The device comprises a sludge feeding unit, a paddle sludge drying machine, a condenser, an induced draught fan, a heating boiler, and a gas turbine, wherein the sludge feeding unit is connected with the paddle sludge drying machine, the water outlet of the paddle sludge drying machine is connected with the heating boiler, the gas outlet of the paddle sludge drying machine is connected with the condenser, the gas outlet of the condenser is connected with the induced draught fan, the induced draught fan is connected with the heating boiler, the gas outlet of the heating boiler is connected with the gas turbine, the gas turbine is connected with the gas inlet of the paddle sludge drying machine, the sludge outlet of the paddle sludge drying machine is connected with the bottom sludge inlet of the heating boiler. According to the invention, the volume and weight of the sludge can be greatly reduced, partial heat energy and waste residues can be recycled, thus the invention is significant in protecting the environment, promoting the sustainable developments of nation economy and ecological environment, has important social meaning, and is in compliance with the national industrial policy.

The invention provides an intelligent steam generator system assembly with auxiliary heating through solar energy. The intelligent steam generator system assembly includes a cold water supply system,a solar heating system, an electromagnetic steam generator and a hot water recovery system, the cold water supply system, the solar heating system and the electromagnetic steam generator are successively connected in series, and the intelligent steam generator system assembly further includes a central intelligent control system; and the central control system is electrically connected with the cold water supply system, the solar heating system, the electromagnetic steam generator, a detection control device of the hot water recovery system and the electromagnetic steam generator. The invention further includes a method for making steam through the intelligent steam generator system assembly with auxiliary heating through the solar energy. According to the intelligent steam generator system assembly with auxiliary heating through the solar energy, the central intelligent control system is additionally arranged on the intelligent steam generator system assembly with auxiliary heating through the solar energy, automatic control of the steam making process is realized, operation is convenient, it is ensured that process parameters of various links meet industrial production standards,the steam pressure of all equipment is in the safe range, and the steam making process is inherently safe.

The present invention discloses process of preparing 5-methoxyl-1-(4-trifluoromehyl phenyl) pentanone as one key intermediate for preparing depression treating medicine fluvoxamine maleate with p-trifluoromethyl benzoyl chloride and magnesium 4-methoxyl butyl halide in the presence of catalyst. The process includes following four steps: 1. preparing p-trifluoromethyl benzoyl chloride with p-trifluoromethyl benzoic acid and thionyl chloride through chlorination; 2. preparing 1-halo-4-methoxyl butane; 3. preparing Grignard reagent through reaction of 1-halo-4-methoxyl butane and metal Mg; and 4. preparing 5-methoxyl-1-(4-trifluoromehyl phenyl) pentanone through reaction of p-trifluoromethyl benzoyl chloride and the Grignard reagent. The process has the features of facile material, low cost, short reaction period, high efficiency and environment friendship.

An additive for improving the power performance of gasoline and decreasing the harmful components from its tail gas is prepared from methanol, ethanol-butanol mixture, acetal dimethanol, methyl acetone, butaneone, methyl acetate, toluene, ethylbenzene, solvent oil No.6 and 200, and N-methyl phenylamine.

The invention relates to a synthesis method for a magnesium potassium phosphate slow release fertilizer. The synthesis method comprises the following steps of: (1) adding potassium hydroxide or sodium hydroxide in a mixed solution of potassium salt and phosphate, and adjusting the pH value between 9.0 and 10.5, wherein the mole ratio of the potassium salt to the phosphate is 1.0-3.0; (2) adding the mixed solution in the step (1) into a magnesium-containing solution according to the mole ratio that Mg:P=(0.6-1):1, controlling the pH value between 9.0 and 10.5, and reacting at 15-40 DEG C for 10-30min; and (3) carrying out solid-liquid separation after the reaction is ended, and drying a sediment to obtain a magnesium potassium phosphate crystal. The method is simple in process flow and easy to operate; the purity of the synthesized magnesium potassium phosphate is higher; and a clear liquid obtained after the reaction can be still used as the fertilizer after being concentrated, so that the raw material utilization ratio is very high.

The invention discloses a processing method of konjac refined flour. A process comprises the following steps: fresh konjac corm cleaning, peeling, slicing, color protecting, crushing, desolventizing purifying, washing, drying, dry-grinding, screening, homogenizing, examining, packing and storing; according to an operation key point, during grinding, konjac flour and an ethanol solution are mixed according to a certain ratio, and are placed in a grinding wheel mill for grinding, the purpose of the operation key point is to grind out impurities on surfaces of refined flour particles, the final concentration of ethanol used for liquid medium selection during separation is better not be lower than 30%, the ethanol solution with the concentration higher than 30% is used for washing the konjac refined flour particles in a filter screen, and then centrifugation separation is conducted. According to the processing method of the konjac refined flour, after ethanol washing and filter pressing are conducted, the content of the impurities in the konjac refined flour is reduced, and the property of the konjac refined flour in aspects of color and lustre, solubility, viscosity, purity and the like is improved.

The invention relates to superfine slag powder prepared by doping steel slag into mineral slag. The steel slag is waste residues discharged in a steel-making process; a plenty of steel slag blending stocks are added in the process of producing the superfine slag powder so as to prepare the superfine slag powder. Main chemical components of the steel slag comprise 18%-25% of SiO2, 4%-10% of Al2O3, 15%-35% of Fe2O3, 31%-50% of CaO and 5%-15% of MgO. When the superfine slag powder is produced, 20%-25% of the steel slag is adopted and 5%-10% of an exciting agent is doped into equipment for grinding superfine powder or grinding the mineral slag; 7d and 28d active indexes of the superfine slag powder are improved by 2%-15% when being compared with the active index of previous superfine slag powder. The production of the superfine slag powder is realized by grinding the mineral slag into certain fineness (specific surface area) to have a certain activity and doping the mineral slag into cement or concrete, so as to improve the performance of buildings and reduce the production cost.