4567results about How to "Won't happen" patented technology

This invention relates to a water-based epoxy zinc-rich priming paint. The water-based epoxy zinc-rich priming paint consists of two components, which is prepared by grinding, dispersing and other processes after the main base material of water-based epoxy resin and water-based epoxy curing agent are mixed with zinc powder, filler, additives, co-solvents, water and other ingredients. Safe and convenient in application, the water-based epoxy zinc-rich priming paint has no pollution to the environment and is harmless to the workers. Suitable for high-pressure airless spraying, the water-based epoxy zinc-rich priming panit is provided with high operation efficiency and a single 10-100um thick coating layer. The priming paint has advantages of fast drying, high mechanical strength of paint film, strong adhension and good anticorrosion performance. The priming paint can be used as an anticorrosion and protection layer of steel structure in ships, bridges and containers as well as priming paint of a workshop.

The invention relates to a welding method of a girth weld of an inner cladding thin-walled stainless steel composite tube. The welding method comprises the following steps: girth welds of the inner cladding stainless steel composite tube are respectively and gradually welded by three welding seams, an inner cladding layer welding seam and a transition layer welding seam are welded by argon tungsten-arc welding, the stainless steel inner cladding layer welding seam adopts welding wires with the same quality thereof, the transition layer welding seam adopts ER309 welding wires, and the base layer is welded by shielded metal arc welding or CO2 gas shielded welding and adopts a welding material matched with the strength of the base layer; and the inner cladding layer, the transition layer and the first layer of the base layer are welded under back argon gas protection. The welding method guarantees corrosion resistance of a joint of the inner cladding layer and mechanical property of a welding joint of the base layer; and the method plays an important role in promoting wide application of the inner cladding stainless steel composite tube in businesses such as oil-gas delivery, chemical industry, oil refining and the like, improving corrosion resistance of an inner wall of a pipe, and solving the problems of high cost and the like caused by adopting a full wall-thickness stainless steel pipe.

The invention is environmental-friendly waterborne nanometer fireproof flame-retardant coating and the preparation method, which belong to the fireproof flame-retardant coating manufacturing industry. The flame-retardant coating is obtained through the compounding of two types of flame-retardant agents, waterborne resin, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and filler, micrometer pigment and filler and other auxiliary agent; the flame-retardant coating contains no organic agent and halogen flame retardant, low VOC content, good fireproof property, good physical and chemical properties; the composition of the flame-retardant coating is as follows: the content of waterborne resin is 10-90%; the content of phyllo-silicate nanometer flame retardant which contains phosphor, nitrogen organic intercalation is 1-50%; the content of nanometer magnesium hydroxide flame retardant wrapped by polymer is 1-50%; the content of ammonium polyphosphate is 1-30%; the content of melamine is 1-20%; the content of carbon-forming agent is 1-30%; the content of nanometer pigment and filler is 0.1 to 30%; the content of micrometer filler is 0.1 to 60%; the content of dispersant is 0.1 to 10%; the content of stabilizer is 0.1 to 10%; the content of water is 0.1 to 50%; the content of micrometer pigment is proper; firstly, waterborne resin, nanometer flame retardant, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and fillers, dispersant and stabilizer are put into a planet stirring reactor for stirring and even dispersion; micrometer pigment and filler, water, dispersant and stabilizer are added to the discharged mixture and then put into a high-speed dispersion machine for even dispersion so that the product is obtained.

The invention discloses a method for extracting lithium hydroxide by salt lake brine. The method is characterized by comprising the following steps: firstly, removing calcium and magnesium ions in salt lake brine by adding sodium carbonate; concentrating the obtained brine with low lithium-magnesium ratio through ordinary electrodialysis to obtained concentrated brine; adding sodium carbonate to the concentrated brine and removing the calcium and magnesium ions again; adding sodium carbonate to obtain lithium carbonate through a multi-step crystallization method; preparing the lithium hydroxide by an electrolysis-bipolar membrane electrodialysis system after dissolving the lithium carbonate again. The traditional distillation process is replaced by ordinary electrodialysis, so that energy consumption is reduced, and the method is friendly to environment. In addition, the lithium hydroxide is produced by using an electrolysis-bipolar membrane electrodialysis technology, the defects of high energy consumption and low purity in the traditional lime method and electrolytic process are avoided, the capacity of the lithium hydroxide is improved, no waste residue is generated in the process, and the method is friendly to environment. Taken together, the method is simple to operate, low in energy consumption, friendly to environment, and expanded production is easy to achieve.

The invention relates to a treatment method for high-concentration sulfur-containing caustic sludge wastewater from an oil refinery. The main process comprises precipitation, acidification, electrocoagulation and Fenton reagent oxidation. The method comprises the following steps of: adding a precipitator into the high-concentration sulfur-containing caustic sludge wastewater refined from the oil refinery so as to remove sulfide, sulfur ether, sulfur alcohol and other malodorants, greatly reduce odor of caustic residue and reduce toxicity of water body; then acidifying and recovering crude phenol and naphthenic acid; and performing oxidation treatment through an electrocoagulation-Fenton reagent so as to remove most of the polluted and nonbiodegradable organic matters from the wastewater. The limit of COD concentration and sulfur content of water inlet is improved to the greatest degree, the need of a large amount of dilution water is saved in the conventional operation process, the crude phenol and naphthenic acid in the caustic residue wastewater are effectively recovered, and no secondary pollution is produced in the operation process.

The invention discloses a pyrotechnical hot-gas sol fire extinguishing agent and a preparation method thereof, and relates to the field of fire extinguishers. The pyrotechnical hot-gas sol fire extinguishing agent is prepared from 41 to 56 weight percent of first oxidant, 8 to 15 weight percent of second oxidant, 15 to 26 weight percent of burnable agent, 4 to 17 weight percent of adhesive and 2 to 22 weight percent of functional additive. The preparation method comprises the following steps of: mixing the oxidants, the burnable agent and the functional additive, then screening the mixture, stirring the mixture and the adhesive, mixing and stirring the mixture and organic solution, pressing the mixture and drying the mixture. The pyrotechnical hot-gas sol fire extinguishing agent has the characteristics of high fire extinguishing efficiency, simplified fire extinguishing composition, no influence of combustion reaction on external oxygen concentration change, no harm substance production to human bodies, animals and natural environments, safer operating mode, simpler and more convenient preparation method and the like, and is suitable for extinguishing fire of fuel and electrical equipment of automobile engine cabins, airplane fuel cabins, power distribution cabinets and the like.

The invention provides a liquid crystal display panel, which comprises a thin film transistor array substrate, a color filter substrate and a plurality of first spacers; the thin film transistor array substrate and the color filter substrate are oppositely arranged; the thin film transistor array substrate comprises a first substrate, a thin film transistor array and a color filter layer; the thin film transistor array and the color filter layer are arranged on the surface, adjacent to the color filter substrate, of the first substrate; the color filter substrate comprises a second substrate, a black matrix layer and a first alignment film; the black matrix layer and the first alignment film are arranged on the surface, adjacent to the thin film transistor array substrate, of the second substrate in sequence; grooves are formed in the black matrix layer; first through holes are formed in the first alignment film; each first through hole is formed by corresponding to the corresponding groove; each first spacer comprises a first end and a second end; each first end is contained in the corresponding groove through the corresponding first through hole, and each second end is arranged by corresponding to the color filter layer. The liquid crystal display panel provided by the invention is better in display quality.

The invention provides a preparation method of phosphorous-containing phenol formaldehyde resin. The preparation method comprises the following steps: mixing mixture of two phenols with acidic catalysts and formaldehyde, and increasing the temperature of a reaction system to 50-120 DEG C and reacting for 3-8 hours; 2) adding alcohol for performing etherification reaction, and controlling the etherification temperature to be 100-150 DEG C; 3) adding organic phosphorus compounds, increasing the temperature of the reaction system, and reacting for 2-5 hours. The phosphorous is introduced in a phenol formaldehyde resin and modified to prepare the high-performance phenol formaldehyde resin, the phenol formaldehyde resin is matched with epoxy resin to be used for copper clad plates, and the flame retardation can achieve UL94V-0. The preparation method is simple, and the synthesis pollution is less. The copper clad plate manufactured by the phenol formaldehyde resin can not produce toxic gas in combustion, thereby being incapable of injuring a human body.

The invention discloses an ultra-long single crystal V2O5 nano wire/graphene anode material and a preparation method, and belongs to the field of lithium ion battery electrode materials and preparation thereof. The V2O5 nano wire/graphene anode material consists of a two-dimensional graphene nano sheet and one-dimensional V2O5 nano wires, wherein the ultra-long single crystal V2O5 nano wires are regularly distributed on the surface and the interlayer of the transparent graphene nano sheet to form a sandwich structure. The preparation method comprises the following steps of: dispersing vanadium oxide powder and merchant graphite into deionized water, adding an oxidant, fully stirring mixture uniformly, performing ultrasonic treatment, putting the mixture into an autoclave, keeping the mixture for certain time at a certain temperature, and performing vacuum drying to obtain the ultra-long single crystal V2O5 nano wire/graphene composite anode material. The invention has the advantages that: the first discharge capacity, the magnification performance and the electrochemical cyclical stability of the composite anode material are remarkably improved. The method is simple, environment-friendly, convenient for operation and easy to realize large-scale production.

The invention discloses a method for preparing and recovering a ternary anode material from waste nickel-cobalt-manganese ternary lithium ion batteries. The method is characterized by including steps: step 1, subjecting the waste nickel-cobalt-manganese ternary lithium ion batteries to disassembling, crushing, calcining and leaching to obtain leachate which contains Li, Ni, Co and Mn, and subjecting the leachate to decontamination to obtain decontaminated liquid; step two, adjusting a molar ratio of Ni, Co and Mn in the decontaminated liquid, adding alkali metal hydroxides, adjusting system pH to be larger than or equal to 10, and performing primary precipitation to obtain turbid solution with NCM hydroxide precipitates; step 3, adding carbonates into the turbid solution obtained at the step 2 to realize secondary precipitation, and performing solid-liquid separation to obtain a ternary material precursor; step 4, calcining the ternary material precursor in air to obtain the ternary anode material. The method is simple in process, extensive in raw material source and high in repeatability, and the ternary anode material prepared according to the method is excellent in performance and available for large-scale production.

The present invention pertains to a method for preparation of superhydrophobic timber on the basis of a sol-gel method, and the method is as follows: (1), silica sol synthesis, to be more specific, materials are prepared in the volume ratio of ammonia to anhydrous ethanol to ethyl orthosilicate of 1:15 to 17:1; (2), hydrophobic modification of monodispersed nano silica sol, to be more specific, hexadecyl trimethoxysilane, or triethoxysilane-1H, 1H, 2H, 2H-heptadecafluorodecyl silane is used for hydrophobic modification of the synthesized monodispersed nano silica sol, and the hydrophobic agent promotes mutual aggregation of nanoparticles to promote the formation of aggregates of silica nanoparticles; and (3) timber coating processing, to be more specific, the timber surface is coated with the hydrophobically modified silica sol solution by dipping or spraying process. Contact angles of the processed timber surface and water droplets are greater than 150 degrees, roll angles are less than 10 degrees, and a superhydrophobic film has good resistance to acid and alkali erosion and stability in high-humidity environment. The method is simple in operation, less demanding on equipment, and capable of scale production, and has wide market prospects.

In an underground exploitation process of a coal mine, the coal recovery rate needs improving, and a roller bit of a coal mining machine is prevented from cutting roof strata as far as possible so as not to damage equipment or even cause accidents, so an interface of a coal layer and a rock layer needs on-line identification. The invention provides a coal-rock interface identification method, a coal-rock interface identification system and a coal-rock interface identification probe. A specific energy-level high-pressure water jet which can penetrate the coal layer but cannot penetrate the rock layer is jetted to the coal layer above a tunnel, different acting forces of reflected flow reflected by the coal layer or the rock layer on a nozzle are sensed in real time, and a controller judges the distance between the upper end of the roller bit of the coal mining machine and the coal-rock interface to realize automatic heightening control of a rocker arm of the coal mining machine so that the coal exploitation process realizes the goals of high recovery rate, low mechanical abrasion rate, automatic operation and the like. The coal-rock interface identification method, the coal-rock interface identification system and the coal-rock interface identification probe provided by the invention have the advantages of low cost, high adaptability, high reliability, intrinsic safety and the like.

The invention relates to flame-retardant synthetic paper. The flame-retardant synthetic paper comprises polypropylene resin, polyethylene resin, an inorganic filler, a coupling agent, an antistatic agent, a lubricant and a coloring agent. The flame-retardant synthetic paper is characterized in that the flame-retardant synthetic paper further comprises a flame retardant. Raw materials and the partsby weight thereof are as follows: 100PHR of polypropylene resin, 20-90PHR of polyethylene resin, 50-300PHR of inorganic filler, 1-8PHR of coupling agent, 1-5PHR of antistatic agent, 0.5-5PHR of lubricant, 5-20PHR of coloring agent and 5-35PHR of flame retardant. Blending, mixing, rubberizing, molding by a calendar, leading out by a leading roller, embossing, cooling, corona treatment and windingare carried out on all the raw materials of the flame-retardant synthetic paper for preparing a product. The flame-retardant synthetic paper has the flame-retardant function and is difficult to burn.Even the flame-retardant synthetic paper is incinerated in a high-temperature incinerator, the flame-retardant synthetic paper can not produce harmful gas, not cause secondary pollution to society andhuman beings and be in line with the requirements of environmental protection.

The invention relates to an ecological diatom ooze decorative wall material, which belongs to the technical field of the research and development of diatom ooze decorative wall materials. The ecological diatom ooze decorative wall material is formed by mixing diatomite, inorganic pigments, calcined zeolite, ethylene vinyl acetate re-dispersible rubber powder, attapulgite powder, tourmaline-loaded nanometer titanium dioxide, polyester fibers, adipic acid dihydrazide and the like. The main functional component of the wall material is the diatomite, and since the diatomite has a porous structure and a heat-insulation and heat-preserving function, the relative humidity of an indoor space can be automatically adjusted to 40 to 70 percent. Anion generated by utilizing the tourmaline-loaded nanometer titanium dioxide has a sterilizing function, so that the harmful gases can be adsorbed and decomposed; the calcined zeolite is used as aggregate and has a porous structure and large specific surface area, and the function for absorbing and releasing the moisture and purifying the air can be improved. The polyester fibers are used as anti-cracking fibers, so that the strength is enhanced, the anti-cracking capacity is improved, and the mildew can be avoided. The calcium perborate is used as a sterilizing agent and is long-acting and toxic-free. By adopting the ecological diatom ooze decorative wall material, the problems of an existing decorative wall material can be solved. A preparation method of the ecological diatom ooze decorative wall material is simple and easy to implement.

The invention provides a method for welding Q500qE ultralow-carbon bainite steel for a bridge. The method is excellent in joint mechanical performance and high in welding efficiency and specifically includes that aiming at specific chemical components, applicable technical conditions and different plate thicknesses of the Q500qE ultralow-carbon bainite steel for the bridge, preheating temperature before welding, groove types and welding process parameters are determined; a welding joint type adopts butt joint, penetration angle joint or ship position T-shaped angle joint; a welding method adopts submerged arc welding, CO2 gas shielded semiautomatic welding or shielded metal arc welding. By the welding method, the joint type and thickness specifications of a bridge structure are comprehensively covered, the technical scheme is simple, convenient and high in adaptivity, all implementing effects meet technical requirements of standards related to building of bridge steel and the bridge structure, and the method is of great significance in promoting upgrading of the bridge steel and development of large-span steel bridge building technology. The method can be applied to building of the bridge structure, can also be applied to welding of other ultrathin-carbon bainite steel and is high in adaptivity.

The invention discloses a pressurization high temperature gasification method of dry coal powder. The method comprises the following five steps: the preparation of dry coal powder, the pressurization delivery of the dry coal powder, the pressurization and high temperature gasification of the dry coal powder, the cooling of high temperature crude synthesis gas and molten ash and the washing and purifying of the crude synthesis gas, and the treatment of water containing fine ash. The method is suitable for not only the bituminous coal with low ash content and low ash fusion point, but also other types of coal, which widely exist at home and abroad, have different metamorphic degrees and qualities and contain the coal with low ash content and high ash fusion point, the coal with high ash content and low ash fusion point and the anthracite, bituminous coal and lignite with high ash content and high ash fusion point. The method has good gasification index, simple equipment, flexible process configuration, low investment and operation convenience, the large-scale product is easy to realize, and the method has the beneficial effects of wide raw material application range, environmental friendliness and the like.

The invention provides a cerium-based composite oxide loaded noble metal catalyst for catalyzing alcohols and hydrocarbons to carry out hydrogen production by reforming, comprising two parts including noble metal and a carrier. The noble metal is one or combination of more than two of rhodium, platinum, palladium, iridium, ruthenium and gold; and the carrier is a cerium-based composite oxide carrier which takes a cerium-lanthanum solid solution as a representative. The catalyst can be applied in the form of a grain state or a powder state and also can be coated on a porous integral ceramic to be used as a monolithic catalyst. The invention further provides a manufacturing method of the catalyst, which comprises the following steps of preparing a cerium-based composite oxide and loading the noble metal. Some preferable implementation schemes of the catalyst utilize biological ethanol as a raw material and the prepared hydrogen can be considered to a renewable energy source; and the catalyst can be applied to the condition of a high space velocity.

A segmentally colored yarn is disclosed, which features that in has different colors longitudinally. Its spinning apparatus features that a feed roller behind the third roller, a controller and a driver are additionally used. Its spinning method features that the draft in the primary draft region for the first group of fibres is formed by the fourth roller, the third roller, and the first and the second apron rollers of spinning frame, and the draft in the primary draft region for the second group of fibres is formed by the fourth roller, the third roller, and the first roller and the second apron roller of spinning frame.