238results about How to "Produced no" patented technology

The invention discloses a microcrystalline foamed wall block produced by use of tailings and a manufacturing method of the microcrystalline foamed wall block. According to the microcrystalline foamed wall block, a decorative surface layer is sintered on a tailing microcrystalline foamed base body manufactured by use of a tailing composite material at a high temperature. The manufacturing method comprises the following steps: (1) preheating, namely increasing the temperature to the range of 800-950 DEG C and preserving heat for 10-40 minutes; (2) integrated sintering, namely increasing the temperature to the range of 1000-1350 DEG C and preserving heat for 30-120 minutes; (3) annealing cooling, namely cooling to below 280 DEG C and then taking out of a kiln; (4) naturally cooling to below 100 DEG C and then performing mold stripping, thereby obtaining a microcrystalline foamed wall block board; naturally placing the microcrystalline foamed wall block board for more than 60 hours to eliminate stress, and then grinding or polishing, cutting and drying to obtain the microcrystalline foamed wall block. The microcrystalline foamed wall block has a plurality of functions of high strength, fire resistance, heat preservation and thermal insulation, moisture and water proofing, decoration, light weight, weathering resistance, environmental protection and the like.

The invention discloses a method for electrolyzing aluminum from an ionic liquid on a hyper-gravity basis and belongs to the field of metal electrodeposition under special conditions. The method of the invention comprises the following step: electrolyzing aluminum and subjecting an electrolytic tank to centrifugal rotation to generate a hyper-gravity field simultaneously, wherein aluminum sheets or aluminum-based composite material constitute the anode; stainless steel sheets or aluminum sheets constitute the cathode; the ionic liquid of chloroaluminate salt constitutes the electrolyte; and nitrogen or argon constitutes the protective gas. Accordingly, the electrolyzation of aluminum can be achieved in the hyper-gravity field, so as to obtain an aluminum deposition layer. The invention has the following advantages: the hyper-gravity field is capable of enhancing the processes of convection and dispersion, improving the mass transfer of ions, increasing the rate of deposition and reducing the preparation period of aluminum; finer aluminum grains and denser deposition layers can be obtained in the hyper-gravity field; moreover, the adhesion of the aluminum deposition layers can be obviously improved by the contingent mechanical effects, thereby preventing the dendritic crystal aluminum from being generated; the method can solve the problem that the deposition layer is likely to drop off; and no gas is generated at the anode during the refining process, thereby preventing the environmental pollution.

The invention provides an aqueous anticorrosive paint of a steel structure and a preparation method thereof, belonging to the technical field of steel surface anticorrosive coating. The paint comprises the following materials in percentage by weight: 15-25% of rust transforming agent, 6-10% of epoxy emulsion, 40-60% of cation styrene-acrylic emulsion, 0.1-0.2% of penetrating agent, 0.1-0.5% of glycol ether, 0.1-0.3% of dispersion stabilizer and 10-20% of deionized water. The product prepared by the preparation method provided by the invention has the characteristics such as a simple preparation process, low cost, excellent performances, and the like.

The invention discloses a coffee-containing bagged buccal tobacco product. The product comprises a granular tobacco mixture consisting of a tobacco material, water, sodium chloride, an acidifying or alkalizing agent, a flavoring agent and a humectant and is characterized in that coffee, a coffee extract or the mixture of the coffee and the coffee extract is added in the mixture. The product has the advantages that: the product can provide similar satisfaction of the traditional cigarette products for tobacco consumers like the conventional tobacco product, but do not generate smog and harm ofsecond-hand smoke; and the product enriches the taste of the tobacco product due to the added coffee and coffee extract and can play a role in dissipating fatigue, refreshing the mind, relieving asthma and the like. The invention diversifies buccal tobacco products.

The invention discloses a masonry-wall line-pipe, line-groove and line-box burying construction method. The construction method includes the steps that in the pre-construction method, reinforcing steel bars are pre-buried or post-implanted into a top plate and a bottom plate on the peripheries of a line pipe and a line groove buried in a masonry wall, the line pipe, the line groove and a line box are completely arranged, then the corresponding pre-buried reinforcing steel bars of the bottom plate and the top plate are bound and woven into a whole in a concrete-constructional-column mode, the line pipe, the line groove and the line box are fixed, a formwork is installed, and concrete pouring is carried out; in the post-construction method, reinforcing steel bars are pre-buried or post-implanted into a top plate and a bottom plate on the peripheries of a line pipe and a line groove buried in a masonry wall, the portion is reserved when wall masonry is carried out, and after masonry construction is completed, the line pipe, the line groove and a line box are installed, then the corresponding pre-buried reinforcing steel bars of the bottom plate and the top plate are bound and woven into a whole in a concrete-constructional-column mode, the line pipe, the line groove and the line box are fixed, a formwork is installed, and concrete pouring is carried out. According to the construction method, the wall does not need to be slotted, cracks or fractures of the wall can be avoided, environment pollution is reduced, labor strength is reduced, construction is simple, construction time is short, the cost is low, and the installing quality is reliable.

The invention belongs to the technical field of treatment of organic waste gas, and relates to a method for recovering an organic solvent from organic waste gas. The method comprises the following steps of: adsorbing the organic solvent in the organic waste gas into active carbon, purifying, and discharge within controlling indexes of a national standard; when the active carbon is saturated by adsorbing, heating the residual organic waste gas in a pipeline, desorbing the organic solvent which is absorbed by the active carbon, and regenerating the active carbon; performing heat exchange on thedesorbed organic solvent gas, condensing into liquid, and recovering; and heating condensed waste gas, reentering the desorbed saturated active carbon again, circulating, and finishing one-time desorption. The method has the advantages of simple process flow, convenience for operating, saving in energy, reduction in production cost, lowering of the organic substance content of the waste gas to reach an environmentally-friendly emission standard, capability of recycling organic substances in the waste gas as resources, regeneration of active carbon, no emission of secondary pollutants, remarkable economic benefit and wide application field.

The invention discloses a method for preparing bio-organic fertilizer by utilizing quick odorless fermentation of chicken manure. The bio-organic fertilizer is prepared from microbial liquid inoculum, auxiliaries and chicken manure by means of two-step fermentation, and no foul smell, ammonia gas or other pollution gases is generated in the whole process. The bio-organic fertilizer is grayish brown odorless particles without mechanical impurities. By detection, in the bio-organic fertilizer, the content of lactic acid bacteria is more than or equal to 10<8>CFU/g, the content of total viable bacteria is more than or equal to 10<9>CFU/g, the content of organic matters is 57.67 percent, the content of total nutrient is 7.8 percent, no alive roundworm egg or pathogenic bacterium is contained, and the content of escherichia coli is less than or equal to 10<2>CFU/g, which is in accordance with the specification in the national standard of bio-organic fertilizer (NY 884-2012).

The invention discloses an oxalic acid-series ITO (Indium Tin Oxide) etching liquid, as well as a preparation method and application thereof. The oxalic acid-series ITO etching liquid comprises the following raw materials in percent by weight: 0.5 to 10 percent of oxalic acid, 0.1 to 0.5 percent of an alkyl phenol polyoxyethylene ether-series surfactant, 0.1 to 5 percent of organic polybasic phosphonic acid, and the balance of water. The oxalic acid-series ITO etching liquid can be used for etching an ITO layer under a mild condition, while residue and a great amount of foam cannot be generated after etching.

The invention relates to a method for recycling lead, sliver and copper by taking noble lead as a raw material, and belongs to the technical field of combining a pyrogenic process with a wet process. The method comprises the following steps: firstly, carrying out vacuum distillation onto the noble lead for separating lead, stibium, bismuth and copper to produce high-bismuth lead and noble sliver; carrying out high-bismuth lead electrolysis onto the obtained high-bismuth lead to obtain separated-out lead, producing crude sliver by carrying out converter refining onto the obtained noble sliver, and refining noble lead byproducts obtained according to converter refining time length to obtain converter early-stage slag and converter later-stage slag; and electrolyzing the obtained crude sliver by crude sliver to obtain a sliver ingot, respectively crushing the obtained converter early-stage slag and converter later-stage slag until grain size is less than 6mm, then grinding to form powder with grain size being less than 100 meshes to obtain converter slag fine powder, and adding the converter slag fine powder into sulfuric acid liquor for leaching, and thus obtaining leaching slag and copper sulfate liquor after leaching is completed. The method disclosed by the invention improves treatment process flow of the noble lead material, and has the effects that process flow is refined and concise, energy is saved and consumption is lowered, and production environment is optimized.

The invention belongs to the field of metallurgy and particularly relates to a method of separating and recovering zinc from electroplating sludge, comprising the steps of 1, performing leaching treatment: leaching the electroplating sludge with an organic acid, and carrying out solid-liquid separation to obtain leaching residue and leachate; 2, removing iron and chromium by neutralizing: adding a neutralizing agent into the leachate obtained in step 1, and carrying out solid-liquid separation to obtain ferric hydroxide precipitate, chromic hydroxide precipitate and leachate; 3, performing extracting: mixing P204, tributyl phosphate, an organic extracting agent N1923 and a solvent oil to obtain a mixed extracting agent, extracting the leachate generated in step 2, with the mixed extracting agent, and adding an organic acid to carry out re-extraction to obtain raffinate and zinc-containing re-extracted liquor, namely purified liquor containing zinc sulfate. The method has the advantages that the zinc may be extracted and separated from sulfuric acid leachate of the electroplating sludge so that the zinc is comprehensively recycled, an extracting process needs no caustic soda liquid for saponification, recycling cost is decreased, and economic benefit is increased.

The invention provides a method for preparing cephalosporin nixi or its salt and its intermediate. The invention employs alkyl sulfonic acid to replace BF3 used in curretn technique as catalyst for reaction of 1- methanesulfonic acid- 5- mercapto- 1, 2, 3, 4- tetrazole acid or its salt and 7-aminocephalosporanic acid or its salt. It is characterized by reduced cost, decreased energy consumption, less toxic waste gas discharge and apparent economic benefit.

The invention discloses a fermentation method and applications of paecilomyce lilacinus microsclerotia. The fermentation method comprises the following steps: preparing paecilomyce lilacinus spore suspension; adding the paecilomyce lilacinu spore suspension into induction culture solution, and performing shake cultivation; and filtering the fermentation liquor to obtain microsclerotia precipitate. The generated microsclerotia can adapt to outside poor environments such as high temperature, drought, strong ultraviolet, and is stress-tolerant and storage-resistant, long in shelf life and capable of continuously controlling harm; the microsclerotia is short in fermentation period, low in production cost, and strong in technological controllability, and the raw materials can be easily available. The microsclerotia can be used as an active ingredient for preparing a novel insecticide fungus preparation.

The invention discloses an environment-friendly desulfurization extruder of regenerated rubber. The environment-friendly desulfurization extruder comprises a base, an upper motor, an upper gearbox, a charging device, a double-screw feeding device, cylinder screws, a transitional conveying device, a double-screw cooling extruding device and a waste recovery device, wherein the upper motor and the upper gearbox are installed on the left side of the base, the double-screw feeding device is installed at the right end of the upper gearbox, the charging device is installed at the upper part of the double-screw feeding device, the multiple cylinder screws are installed on the right side of the double-screw feeding device, the transitional conveying device is installed at the right ends of the cylinder screws, the double-screw cooling extruding device is installed at the lower part of the transitional conveying device, and the waste recovery device is installed in the middle of the base and communicates with the interiors of the cylinder screws through pipelines. A distribution box, a lower gearbox and a lower motor are sequentially installed on the left side of the double-screw cooling extruding device, the distribution box, the lower gearbox, the lower motor and the double-screw cooling extruding device are installed on a sliding rail through supports, and the sliding rail is located on the base. According to the environment-friendly desulfurization extruder, dynamic installation is realized.

The present invention discloses a construction method and applications of a metabolic engineering escherichia coli strain for producing succinic acid by using acetic acid, wherein escherichia coli transformed through metabolic engineering uses acetic acid as a raw material to perform fermented production of succinic acid, and the transformation pathway comprises: blocking TCA cycle, and/or blocking succinic acid utilization pathway, and/or enhancing acetic acid uptake and oxaloacetic acid supply, strengthening glyoxylic acid cycle, and/or deleting by-product generation pathway, and/or reducing futile cycle caused by acetic acid production using pyruvic acid decarboxylation, and/or dredging acetyl CoA node metabolic flow. According to the present invention, through the analysis on the metabolic pathway and the regulation, the escherichia coli is transformed by using the genetic engineering way, the obtained strain can produce succinic acid in the culture medium adopting acetic acid as the carbon source, and no by-product is generated.

The invention relates to a smelting reduction recovery and thermal refining method for a rare-earth-niobium-containing slag mixture and belongs to the field of non-blast furnace ironmaking and resource comprehensive utilization. The smelting reduction recovery and thermal refining method for the rare-earth-niobium-containing slag mixture comprises the following steps of (1) mixing rare-earth-containing blast furnace slag and niobium-containing molten steel slag to form the rare-earth-niobium-containing slag mixture and controlling the temperature of the rare-earth-niobium-containing slag mixture within a set temperature range; (2) injecting oxidative gas and conducting smelting reduction to reduce iron oxide into metallic iron fully; and (3) conducting separation and recovery according to different reaction devices. According to the method, the rare earth, the calcium component, the niobium component and the phosphorus component in the slag mixture can be efficiently recycled; cold-state niobium-rare-earth-iron-containing materials can be processed and at the same time thermal refining of the slag can be realized, so that the efficient resource comprehensive utilization can be achieved. The method is short in reaction time, high in metal recovery rate, low in production cost, strong in raw material adaptability, large in processing capacity, friendly with environment, high in economic income and capable of solving the problems of efficient recovery and utilization of metallurgical resources and heat energy effectively.

The invention provides a method for extracting indium and tin from waste ITO targets through reduction and electrolysis. According to the method, waste ITO targets having undergone crushing and ball milling are reduced in a reducing furnace through reducible substances, and indium oxide and tin oxide are respectively reduced into metallic indium and metallic tin; an indium tin alloy anode is casted under the protection of alkali; and electrolysis is carried out under alkaline conditions so as to realize electrodeposition of tin onto a cathode and recovery of refined tin, anode mud is indium hydroxide, and refined indium is extracted from indium hydroxide through leaching, purifying and electrodeposition. The method provided by the invention has simple process flow, a short cycling period and high recovery rates of indium and tin and overcomes the problem of difficult filtering of indium hydroxide at the same time, so the method has the obvious advantages of low recovery cost, energy conservation, environmental protection, etc. In industrial production, the recovery rate of tin reaches 98.5%, the recovery rate of indium is more than 99%, and the grades of refined indium and refined tin exceed 99.995%.

The invention discloses a gas back-jetting pre-mixing low-NOx combustion apparatus and a combustion method of the combustion apparatus, which belongs to the technical field of a high-power industrial combustor. The combustion apparatus is characterized in that: a centre cylinder is axially arranged at a throat opening centre; the end part of the centre cylinder is connected with a whirlcone which is coaxially arranged; an inner diameter and an outer diameter of the centre cylinder are consistent with the inner diameter and the outer diameter of an inner ring of the whirlcone; a peripheral axial wind channel is arranged between the periphery of the outer ring of the whirlcone and the inner wall of a throat opening; back-jetting hammer gas guns are radically distributed on the throat opening. The combustion method of the combustion apparatus is characterized in that: the gas is divided into two parts, namely the gas which is jet from a straight back-jetting hole, is backwards jet in an axial direction and rushes with axial wind at the periphery oppositely, and gas which is jet from an inclined back-jetting hole and rushes tangentially with swirl wind, after the gas enters the channel from a combustible gas hammer-type gas gun. The gas back-jetting pre-mixing low-NOx combustion apparatus disclosed by the invention has the beneficial effects that: the gas and the air are jet and oppositely rushed to be fully and uniformly mixed, so that a little of NOx smaller than 29ppm is generated without generation of CO (carbonic oxide). The combustion is stable and reliable, and the highest power of a single machine can be up to over 70MW.

The invention relates to a process method for extracting indium and tin from an indium tin oxide (ITO) waste target. The ITO waste target is crushed and ball-milled using a reducing substance, indiumoxide and tin oxide are reduced to the indium and the tin in a reduction furnace correspondingly, the indium and tin are cast into an indium-tin alloy anode under the protective effect of alkali, electrolysis is conducted under alkaline conditions, the tin is electro-deposited to a cathode and purity tin is recycled, anode slime is indium hydroxide, and the indium hydroxide is extracted through the processes of leaching, purification and electrodeposition. The process method for extracting the indium and the tin from the ITO waste target has the advantages of simple technological process, short recycling cycle and high indium and tin recovery rate, meanwhile, the problem of difficult filtration of tin hydroxide is solved, and thus the obvious advantages of low recycling cost, energy savingand environmental protection, and the like are achieved; and in industrial production, the recovery rate of the tin reaches 98.5%, the recovery rate of the indium is 99% or above, and the grade of purity indium and the purity tin exceeds 99.995%.

The invention relates to an anti-infective pharmaceutical composition comprising cefoperazone sodium and sulbactam sodium in optimal proportion. In the pharmaceutical composition, the weight ratio of the cefoperazone sodium and the sulbactam sodium is (2-4):1, preferably 4:1. The pharmaceutical composition with the weight ratio is excellent in antibacterial activity to drugs containing equal amounts (1:1) of cefoperazone sodium and sulbactam sodium in clinic. The dosage of sulbactam sodium in the inventive pharmaceutical composition is reduced by more than two times than the existing similar drugs, which improves safety of kidney and reduces production cost. The raw materials used in the invention meet the standards of Chinese Pharmacopoeia. Therefore, the pharmaceutical composition has good quality, safety and stability.

The invention discloses a culture method and application of isaria microsclerotia. A fermentation method comprises the steps of (1) preparing an isaria spore inoculant; (2) carrying out induction culture on microsclerotia: adding the isaria spore inoculant prepared in the step 1 into an induction culture solution, and carrying out shake cultivation for 6-8 days; (3) filtering fermentation liquor, removing supernatant to obtain microsclerotia precipitate, drying and storing. The invention also discloses the application of the isaria microsclerotia in control of whitefly pests and a biocontrol agent used for controlling the whitefly pests. The isaria microsclerotia produced by the invention is capable of adapting external bad environments such as high temperature, drought, strong ultraviolet and the like, and has the characteristics of stress tolerance, storage stability, long shelf life and continuous pest control; the isaria microsclerotia is short in fermentation period, low in production cost, high in technology controllability and easy in raw material obtaining. The isaria microsclerotia can be used for preparing active ingredients of a novel insecticidal fungus preparation.

The invention discloses a method for regenerating a lithium-rich manganese-based positive electrode material from a waste lithium battery. The method comprises the steps of carrying out carbon thermalreduction on positive electrode material powder obtained by pretreatment, reducing the waste ternary nickel-cobalt-manganese positive electrode material into a mixture of nickel, cobalt, lithium carbonate and manganese oxide by carbon thermal reduction, carrying out ammonia leaching, then preparing a precursor by a one-step sol-gel method, and finally, calcining to obtain the lithium-rich manganese-based positive electrode material. According to the method, the valuable metal mixed powder is subjected to carbon thermal reduction, so that the process requirement that pressurization must be adopted in the leaching process is avoided, step-by-step separation and recovery of multiple metals are avoided, the technological process is shortened, the operation is easy, the cost is reduced, and the value of recovered and regenerated products is improved.