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102results about How to "Not easy to spoil" patented technology

High-efficiency environment-friendly foam extinguishing agent and preparation method thereof

The invention discloses a high-efficiency environment-friendly foam extinguishing agent and a preparation method thereof. The high-efficiency environment-friendly foam extinguishing agent is composed of, by weight percentage, 10%-50% of a composite surface active agent, 10%-30% of an organic solvent, 1%-5% of a stabilizer, 0.2%-4% of a burning resisting agent, 0.5%-3% of a chelating agent, 0.1%-1% of a corrosion remover and the balance water. The preparation method includes the steps that surface active agents are sequentially added to water to form the composite surface active agent A while being stirred, the organic solvent and the stabilizer are mixed evenly to form a component B, then the A is added to the continuously-stirred B, stirring is continued, then the burning resisting agent, the chelating agent and the corrosion remover are sequentially added to the A and B mixed system, and finally the water is added as the balance, so that the high-efficiency environment-friendly foam extinguishing agent is obtained. The high-efficiency environment-friendly foam extinguishing agent is free of a fluorine surface active agent, thereby being high in bioremediation performance. Foam prepared through the method is good in stability and high in fire extinguishing efficiency, and is a high-efficiency environment-friendly product. According to the preparation method, heating and filtering are not needed, the three wastes are avoided, environment protection and energy conservation are achieved, and the production efficiency is high.
Owner:UNIV OF SCI & TECH OF CHINA

Demoulding agent used for precast concrete component and preparation method thereof

The invention discloses a demoulding agent used for precast concrete components. The demoulding agent includes following raw materials, by weight, 10-30 parts of an unsaturated fatty acid, 5-20 parts of an oily density adjusting agent and an aqueous density adjusting agent, 1-5 parts of an oily emulsifier, 1-5 parts of an aqueous emulsifier, 0.1-4 parts of an emulsification additive, 0.1-2 parts of a defoaming agent, 0.1-2 parts of an anti-rust agent, 1-5 parts of a settling-resistant and thickening thixotropic agent and 40-65 parts of water. The unsaturated fatty acid is oleinic acid, palmitoleic acid or ricinoleic acid. The emulsification additive has a structure formula represented as follows, wherein R1 is H or CH3, R2 is CONH2, CH2SO3Na or COOM, the x, the y, the a and the b are linking numbers of a copolymer repetitive unit and are ranged from 1 to 10, the m and the n are addition mole average numbers and are ranged from 10-50, wherein M is a hydrogen atom, a monovalent metal ion, an amino group or an organic ammonium group. The demoulding agent is low in cost, is free of generation of oil contamination, is long in storage time, is not liable to decay, deteriorate and layer, and is free of influence on surface and internal quality of concrete.
Owner:KZJ NEW MATERIALS GROUP CO LTD +1

Microbial treatment equipment for organic wastes

The invention provides microbial treatment equipment for organic wastes. The microbial treatment equipment for the organic wastes comprises a shell; an opening is formed in the upper portion of the shell; a plurality of drainage holes are formed in the bottom surface of the shell and the drainage holes all communicate with the interior of the shell; the shell is mounted on the ground by a supporting frame; a positive and negative rotation motor is fixedly mounted at one side of the supporting frame and an output shaft of the positive and negative rotation motor is fixedly connected with one side of the shell; a water filtering barrel is movably mounted in the shell by a supporting device and the opening is formed in the upper portion of the water filtering barrel; the bottom surface of thewater filtering barrel is fixedly connected with the upper end of a rotary shaft and a first through hole is formed in the bottom surface of the shell. By means of the equipment, a large amount of moisture in the organic wastes can be removed and the wastes are not prone to spoilage; it is greatly beneficial to the temporary storage, collection, transportation and treatment of the wastes and it can be avoided that the wastes produce the hazardous substances such as mycotoxins and the like; the microbial treatment is conducted after the dewatering treatment of the kitchen organic wastes, so that the kitchen organic wastes can be rapidly degraded, the microbial treatment amount of the kitchen organic wastes can be greatly improved and the energy consumption can be greatly reduced.
Owner:长沙雷邦环保科技有限公司

Composite substrate suitable for artificially breeding ragworms and construction method thereof

The invention relates to a composite substrate suitable for artificially breeding ragworms and a construction method thereof and belongs to the technical field of aquiculture. According to the life habit of the ragworms and different proportions and thicknesses, pebble, fine sand, clay and the like with different grain diameters run through a coarse pebble layer, a fine pebble layer, a coarse sand layer, a fine sand layer and a clay mud layer in sequence from bottom to top to perform composite matching; and the thickness range of the composite substrate is between 50 and 100 cm. The composite substrate has high permeability and is suitable for the living of the ragworms and difficult to decay and deteriorate. A surface layer contains mass organic matters which can provide high-quality sufficient bait for the ragworms. Through detection, the composite substrate suitable for artificially breeding the ragworms and the construction method of the embodiment of the invention are used for breeding the ragworms; the survival rate of the breeding is up to 70 to 90 percent per year; and larvas with weight between 0.5 and 1.0 g can be up to about 10 g after one-year breeding. The body color of the ragworms is maroon; the heads of the ragworms have fluorescence; and the constitution is lusty.
Owner:DALIAN OCEAN UNIV

Efficient and environment-friendly aqueous film-forming foam extinguishing agent and preparation method thereof

The invention discloses an efficient and environment-friendly aqueous film-forming foam extinguishing agent and a preparation method thereof, and the extinguishing agent is composed of 0.5-5% of a fluorocarbon surfactant, 10-35% of a hydrocarbon surfactant, 0.1-1% of a foam stabilizer, 2-10% of a cosolvent, 1-5% of an anti-burning agent, 5-30% of an anti-freezing agent, 0.1-1% of a preservative and the balance of water. Te fluorocarbon surfactant is a perfluorinated branched short-chain anionic surfactant synthesized by taking an industrial cheap raw material hexafluoropropylene dipolymer as an initial raw material. The preparation method comprises the following steps: uniformly mixing the surfactant component A, the cosolvent, the foam stabilizer and the water of a compound system formed by mixing and stirring the two surfactants to form a component B, adding the component B into the continuously stirred component A, continuously stirring, and sequentially adding the anti-burning agent, the anti-freezing agent and the preservative into the mixed system of the component A and the component B. The fire extinguishing agent comprises a perfluorinated branched short-chain environment-friendly anion fluorocarbon surfactant, is low in toxicity and good in biodegradability, has excellent spreadability, burning resistance, fire extinguishing performance, stability and liquid separation performance, does not contain PFOS and is not prone to being enriched in the environment and living bodies, and therefore environmental pollution cannot be caused.
Owner:NANJING UNIV OF SCI & TECH

Corrosion-resistant scale-inhibition magnesium-aluminum alloy wire drawing liquid

The invention relates to a wire drawing liquid and concretely relates to a corrosion-resistant scale-inhibition magnesium-aluminum alloy wire drawing liquid. The corrosion-resistant scale-inhibition magnesium-aluminum alloy wire drawing liquid is prepared from 28-32 parts by weight of hydrogenated castor oil, 2-3 parts by weight of sodium benzotriazole, 2-3 parts by weight of algal polysaccharide, 15-18 parts by weight of trihydroxymethylpropyl trioleate, 4-6 parts by weight of butylated hydroxyanisole, 2-3 parts by weight of sodium lactate, 1-2 parts by weight of coptis root extract, 1-2 parts by weight of potassium dihydrogen phosphate, 6-8 parts by weight of polyglycol laurate, 1-2 parts by weight of rosmarinic acid, 2-3 parts by weight of vulcanized paraffin, 4-5 parts by weight of an assistant and 800-1000 parts by weight of deionized water. The base oil of the wire drawing liquid has excellent high-temperature lubricity. Algal polysaccharide can effectively delay grease oxidation and has metal ion complexation capacity so that chips on the mold are avoided. Coptis root extract and rosmarinic acid are two natural eco-friendly bioactive substances and have effects of inhibiting bacteria and resisting corrosion and oxidation. The wire drawing liquid has good wire drawing effects. The wire prepared from the wire drawing liquid has the advantages of no scratch on the surface, high cleanability, difficult sediment incrustation on the mold, difficult corruption and deterioration at a normal temperature, and long life.
Owner:ANHUI SHUOLI IND

Arrangement structure and fire extinguishing method of large-size high-expansion foam fire extinguishing system

The invention relates to the field of foam fire extinguishing system design technologies, in particular to an arrangement structure and a fire extinguishing method of a large-size high-expansion foam fire extinguishing system. The arrangement structure of the large-size high-expansion foam fire extinguishing system is characterized in that protection zones under jurisdiction are divided into a plurality of subzones, and each subzone comprises a centralized control fire pump station and a fire control center; each subzone is provided with a pressure proportional tank bag-type foam fire extinguishing device and foam concentrate is stored in a storage tank; high-expansion foam generators are arranged in each protection zone; and the distance from the fire pump station to each protection area satisfies the condition that the delay time from the moment of an alarm to the moment that the foam generator starts to spray foam does not exceed 30s. Compared with the prior art, the arrangement structure and the fire extinguishing method of the large-size high-expansion foam fire extinguishing system have the beneficial effects that 1, the distance from a proportional mixer to each protection area is shortened and the time from the moment that the fire extinguishing system is started to the moment that the foam generator starts to spray foam is reduced; 2, since pressure water and the foam concentrate are separated by a diaphragm bag in the tank, the service life of the foam concentrate is prolonged; and 3, the goal that the delay time from the moment of the alarm to the moment that the foam is started to be sprayed does not exceed 30s is realized, and the international specification is met.
Owner:鞍钢集团工程技术有限公司

Multifunctional aluminum metal working fluid and preparation method thereof

The invention discloses a multifunctional aluminum metal working fluid. The multifunctional aluminum metal working fluid comprises the following components in parts by weight: 10-15 parts of tall oildiethanolamide borate, 1-3 parts of a bactericide, 0.1-0.3 part of a defoamer, 10-15 parts of triethanolamine borate, 5-10 parts of self-emulsifying ester, 3-5 parts of water-based phosphate, 3-5 parts of a water-based vulcanization additive, 3-5 parts of an aluminum alloy sealing agent, 1-3 parts of a coupling agent and 3-5 parts of a water-based calcium stearate solution. Preparation steps of the multifunctional aluminum metal working fluid are simple, and multifunctional use thereof can be also achieved; the multifunctional aluminum metal working fluid can be used as aluminum stamping and drawing oil, and can be also used as an aluminum cutting fluid through addition of 15-20-fold water; a machined product is not required to be cleaned, and a direct welding operation is performed; the multifunctional aluminum metal working fluid can be also used as aluminum tapping oil; the multifunctional aluminum metal working fluid is directly used or used through addition of 3-5-fold water; themultifunctional aluminum metal working fluid is strong in lubricating performance and extreme pressure performance; and the multifunctional aluminum metal working fluid protects a cutting tool so as to prolong the service life.
Owner:嘉兴市国龙石油化工股份有限公司

Low-fog environmentally-friendly water-based drawing liquid

The invention relates to drawing liquid, and concretely relates to a low-fog environmentally-friendly water-based drawing liquid. The drawing liquid is prepared by using the following raw materials, by weight, 20-22 parts of higher fatty acid ester of neopentyl polyol, 22-25 parts of tridecyl trimellitate, 4-5 parts of peregal, 10-12 parts of diglycerol, 1-3 parts of diazolidinyl urea, 2-3 parts of polysiloxane, 1-3 parts of sodium molybdate, 4-5 parts of polyoxyethylene laurate, 8-10 parts of polyethylene glycol, 4-5 parts of an auxiliary agent and 800-1000 parts of deionized water. The drawing liquid uses a mixture comprising higher fatty acid ester of neopentyl polyol with good thermal stability and non-volatility and tridecyl trimellitate as base oil, and raw materials comprising polyethylene glycol, sodium molybdate and diazolidinyl urea are combined in the invention, so the extreme pressure anti-wear property of the drawing liquid is effectively improved, the lubrication performance of the drawing liquid is excellent, and the heat dissipation of the drawing liquid is fast; and the raw materials are low-toxicity nonvolatile components. The drawing liquid has the advantages of good lubrication property, good permeability, fast dissipation, unlikely formation of water mist in the use process, and effective improvement of the processing environment.
Owner:浙江巨力宝纺织科技有限公司
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