34results about How to "Add a small amount" patented technology

An efficient composite hydrate inhibitor is stable and economical. Salt or alcohol is added into dynamic inhibitor. It has less hydrate and longer generating time, wide applied range and no environmental pollution.

The invention discloses an organic selenium-supplementing feed additive and preparation and a using method thereof. The feed additive is prepared by the following steps of: adding chitosan with deacetylation degree of 70 to 100 percent into 0.5 to 2 volume percent of diluted acid with stirring at the temperature of between10 and 60 DEG C to obtain 0.5 to 10 percent acid solution of chitosan; adding solution of inorganic selenium into acid solution of chitosan, wherein the mass of inorganic selenium is 1 / 6 to 1 / 2 time that of the chitosan; and reacting for 1 to 12h and separating, washing the obtained solid matter by using distilled water for many times until selenium ions cannot be detected, and drying and crushing to obtain chitosan selenium chelate. The chitosan selenium serving as the feed additive is applied to feeds for livestock, poultry and aquatic animals and is effectively absorbed and utilized in the animals by using proper stability and dissolution performance thereof, so that disease resistance, production performance and meat quality of the animals are obviously improved. The chitosan selenium has the advantages of little toxicity, high biological availability, small addition amount, and capability of saving resources and protecting the environment, so that the feed additive is a safe and effective environment-friendly feed additive.

The invention belongs to the field of gas storage and transportation, and specifically relates to a compound type gas hydrate inhibitor. The inhibitor consists of the following components in percentage by mass: 0.1-0.5% of polyvinyl caprolactam, 1-5% of alcohol or salt and the balance of water. According to the inhibitor provided by the invention, by adding a certain amount of salt or alcohol into the existing dynamic inhibitor, the generation time of a hydrate can be increased, and the generation amount of the hydrate can be reduced; and moreover, the inhibition effect of the dynamic inhibitor is greatly improved so that the dynamic inhibitor has a better effect and is more stable and wider in range of application.

The invention discloses a steel plate used for producing a low-temperature hot-stamped automobile part. The steel plate consists of the following chemical elements in percentage by mass: 0.1%-0.3% of C, 0.1%-1.5% of Si, 7%-12% of Mn, 0.01%-3.0% of Al, 0.005%-0.010% of N, less than or equal to 0.02% of P, less than or equal to 0.02% of S, and the balance Fe and other inevitable impurities; besides, the content of the chemical elements further meets the following formula: 24.2C-2.8Si+Mn-10.1Al greater than or equal to (-)15, wherein C, Si, Mn and Al in the formula separately represent mass percentage of the corresponding elements. The invention further discloses a manufacturing method for the steel plate and a use of the steel plate. Besides, the invention further discloses the low-temperature hot-stamped automobile part manufactured by the steel plate.

The invention discloses a nano waterborne ink binder and a preparation method thereof. The nano waterborne ink binder comprises isophorone diisocyanate, polypropylene glycol, hydrophilic chain extender, 1, 4-butanediol, triethylamine, deionized water, N-methyl pyrrolidone, dibutyltin dilaurate and acetone. The preparation method includes: heating the isophorone diisocyanate and the polypropylene glycol to react with the dibutyltin dilaurate; adding the hydrophilic chain extender for reaction, cooling and adding ethylenediamine dissolved in cosolvent; adding 1, 4-butanediol dissolved in equivalent acetone for reaction, dissolving the triethylamine in the deionized water and dropping into the reaction solution under high-speed stirring, adding alkali for adjustment, and performing reduced pressure distillation to obtain the nano waterborne ink binder. Fineness of the nano waterborne ink binder is nanometer scale. The nano waterborne ink binder is high in solid content, low in viscosity, and fine in standing stability, centrifugal stability and thermal stability. The preparation method is simple and convenient to operate.

The invention discloses a hydrate inhibitor composite which comprises the following components in parts by weight: 1-5 parts of polyvinyl alcohol caprolactam and 1-8 parts of mixed preparations, wherein the mixed preparations are selected from one or more of alcohols, ethers or polymers. The hydrate inhibitor composite disclosed by the invention enhances the inhibition property of an inhibitor by taking the dynamic inhibitor as a main agent and adding certain mixed preparations.

The invention discloses a low-temperature hot-stamped automobile part. The microstructure of the low-temperature hot-stamped automobile part is composed of martensite, austenite and ferrite. The chemical elements of the low-temperature hot-stamped automobile part comprise, by mass, 0.1-0.3% of C, 0.1-2.0% of Si, 3-7% of Mn, 0.01-0.06% of Al, 0.02% or less of P, 0.02% or less of S, 0.005% or less of N, and the balance Fe and other inevitable impurities. In addition, the invention discloses a hot stamping process of the low-temperature hot-stamped automobile part. The invention further discloses a manufacturing method of the low-temperature hot-stamped automobile part. The manufacturing method sequentially includes the steps of (1) smelting, (2) casting, (3) hot rolling, (4) annealing, (5) acid pickling, (6) cold rolling and (7) hot stamping, wherein the heating holding temperature of hot stamping is 700-850 DEG C, the holding time is 2-10 min, and thus complete austenitizing is completed. The low-temperature hot-stamped automobile part has high strength and meanwhile achieves good stretching ductility and excellent strength and plasticity matching.

The invention discloses a compounding type natural gas hydrate inhibitor composition. The compounding type natural gas hydrate inhibitor composition consists of a polymer as shown in a structural formula (I) and a thermodynamic inhibitor, wherein the mass ratio of the polymer to the thermodynamic inhibitor is (1 to 1) to (1 to 10), R1 is C1-C10 alkyl groups, naphthenic groups and arene, and the thermodynamic inhibitor is selected from methanol, ethanol, glycol, butanol, ethylene glycol monobutyl ether, butyldiglycol, 2-phenoxyethanol and polyethylene glycol. The compounding type natural gas hydrate inhibitor composition disclosed by the invention is low in cost, selected compounding agents are some cheap and readily-available alcohol, ether and the like, the addition quantity is small, and the cost for restraining the generation of hydrate in oil gas trade is greatly reduced.

The invention relates to the technical field of food, especially to a food additive. The invention provides an emulsifying, stabilizing, water-retaining and thickening agent for food to overcome the problems that conventional food additives have single function and do not have emulsifying, stabilizing, water-retaining and thickening functions at the same time. The emulsifying, stabilizing, water-retaining and thickening agent comprises, by weight, 55 to 60% of carrageenan, 20 to 25% of konjac glucomannan, 5 to 15% of xanthan gum, 0 to 10% of dextrin, 0 to 5% of potassium chloride and 0 to 5% of guar gum. The emulsifying, stabilizing, water-retaining and thickening agent employs a plurality of additives permitted to be used in food according to prescriptions in GB2760-2011 standard; raw materials are mixed together by using a physical method and applied to food; and the comprehensive effect of emulsification, stabilization, water retention and thickening is achieved.

The invention relates to a cable bridge for supporting and placing a cable and production equipment of the cable bridge, in particular to a novel steel-structure groove type cable bridge and processing equipment thereof. The cable bridge comprises a U-shaped groove body consisting of a bottom plate and two side plates, and is characterized in that one or more than one raised reinforcing rib is pressed against each of the two side plates along the length direction; a 180-degree folded edge is formed at the upper end of each of the two side plates along the length direction. The processing equipment consists of a driving device, a feeding device, a leveling device and an edge folding mechanism, wherein the driving device consists of an electrical control device, a motor and a transmission chain; a steel plate leveling device, a punching device, a plate cutting device and an edge folding device are arranged behind the feeding device in sequence and are connected with one another through transmission rollers. By the adoption of the technical scheme provided by the invention, the overall strength is high, the installation cost is saved, the productivity and the utilization rate of materials are effectively improved, and the processing equipment can be used for processing the cable bridge continuously and integrally at one time.

The invention relates to a corrosion inhibitor, specifically to a graphene-loaded thiadiazole corrosion inhibitor containing vanillin active group and application thereof. The compound is a compound formed after chemical loading of vanillin-[5-(p-methylphenyl)-1,3,4 thiadiazole-2-mercapto]-acetylhydrazone on active site of oxygen-containing functional group in a graphene molecular layer. The compound is applied in an alkaline environment of concrete or under a corresponding alkaline condition to carry out corrosion prevention on a carbon steel material and rebar products in seawater or a sodium chloride medium through the graphene molecular layer catalyzing a cathodic oxygen reduction reaction during the electrochemical process between a corrosion inhibitor and carbon steel. The corrosion inhibitor of the invention has wide sources, is easy for mass production, has less dosage, efficient performance and strong sustained action, can effectively inhibit corrosion damage to carbon steel, and has remarkable application value and wide market prospect.

The invention discloses modified high-ignition-point transformer oil and a preparation method thereof. The modified high-ignition-point transformer oil is mainly composed of mineral insulating oil, amodified nano magnesium hydroxide / nano aluminum hydroxide composite flame retardant and cresyl diphenyl phosphate, wherein the modified nano magnesium hydroxide / nano aluminum hydroxide composite flameretardant is mainly prepared by modifying nano magnesium hydroxide and nano aluminum hydroxide with oleic acid. The preparation method comprises the following steps: (1) preparing the modified nano magnesium hydroxide / nano aluminum hydroxide composite flame retardant; (2) adding the composite flame retardant; and (3) adding the cresyl diphenyl phosphate. The modified high-ignition-point transformer oil disclosed by the invention has the characteristics of excellent heat dissipation performance and insulating performance of mineral insulating oil, low price and the like; the low-ignition-pointmineral insulating oil has the characteristics of high flame retardancy and high fire resistance, can replace the original conventional low-ignition-point mineral insulating oil without changing theexisting transformer, can be widely applied and popularized, and has important practical significance and commercial value.

The invention relates to a method for controlling the fertilizer appearance by double-caramel pigment. In the fertilizer production process, the operation is carried out according to the following steps that (1) firstly, the double-caramel pigment and the water are taken according to a mass ratio being 1:0-0.5 and are mixed and stirred uniformly; (2) the double-caramel pigment uniformly mixed in the first step is conveyed into a slurry neutralizing tank by a plunger type mechanical metering pump, a plunger type diaphragm metering pump or a miniature single screw rod pump to be fully stirred with fertilizer slurry, in addition, the double-caramel pigment is completely dissolved and mixed uniformly, one ton of added double-caramel pigment fertilizer consumes 0.1 to 5.0 kg of double-caramel pigment, and a variable frequency flow meter is used for metering; and (3) the fertilizer slurry mixed with the double-caramel pigment is pelletized, and the fertilizer in the required color is prepared. The method has the advantages that the fertilizer appearance can be conveniently regulated and controlled through the double-caramel pigment, the fertilizer color is uniform and stable, the color mixing of fertilizers cannot occur, in addition, the consumption is low, the cost is low, the biodegradable effect is realized, the environment is favorably protected, the operation is convenient, no pollution, no poison and no public hazard exist, and the like.

The invention discloses a preparation method of a polyamide inhibitor for drilling fluid. The preparation method comprises the following steps: (a) feeding a substance A and a substance B into a reactor according to the molar ratio of (0.5 to 2):1, heating to 60 DEG C, and stirring for 30 minutes till the materials are completely melted and mixed uniformly; (b) under the condition of nitrogen-gasprotection, carrying out insulating reaction for 5-8 hours at the temperature of 150-180 DEG C, and separating out water; (c) after the reaction is ended, cooling reactants to below 30 DEG C and obtaining yellow or brown-yellow viscous liquid, namely a final product; the substance A is dimer acid, trimer acid or a mixture of the dimer acid and the trimer acid. The polyamide inhibitor prepared by adopting the method has the characteristics of high-temperature resistance, obvious inhibition effect and slight influence on the rheological property and the like, is applicable to various water-baseddrilling fluid systems, not only can prevent the problem of well-wall instability caused by hydrous dispersion and expansion of clay minerals of the water-sensitive formation, but also can stabilizethe rheological property of the drilling-fluid system effectively and avoid the property from being out of control.

The invention discloses a novel pollutant-free fertilizer additive, and belongs to the technical field of feed. The novel pollutant-free fertilizer additive comprises 400g of codonopsis pilosula, 300g of radix scutellariae, 300g of schisandra chinensis, 400g of pericarpium citri reticulatae, 300g of rhizoma menispermi, 500g of AS-H, 500g of Sg-R, 400g of radix astragali, 400g of radix isatidis, 300g of fructus forsythia, 300g of rhizoma atractylodis, 300g of herba andrographitis, 400g of HU-L, and 400g of Pb-L. A production method comprises following steps: high-quality traditional chinese medicinal materials are selected; impurities are removed; the traditional chinese medicinal materials are washed, and are delivered into drying ovens respectively; and the dried traditional chinese medicinal materials are weighed according to the ratio above, and are mixed, smashed, and sieved. No environmental pollution is caused by production processes of the novel pollutant-free fertilizer additive; and cultured animal product quality safety is ensured.

The invention discloses a preparation method of a tetrahydroglyoxaline inhibitor applicable to a drilling fluid. The preparation method comprises the following steps of a, adding 150mL of substance A,150mL of substance B and 26.8g of substance C in a beaker; b, using 8 to 12mL of water for dissolving 7.6g of substance D, and dropwise adding 1 to 2 drops of sodium hydroxide solution; c, using thesodium hydroxide solution for adjusting a pH value of a reaction mixture to 8, filtering for removing separated white solid, distilling off the substance A, the substance B and water, and obtaining apale yellow viscous liquid; d, using chloroform for extracting to obtain a product 1; e, adding 13.6g of product 1 and 7.4g of substance E in to a three-necked flask, and obtaining an orange-yellow viscous transparent liquid; f, using ethyl acetate as an eluent, and obtaining a product 2; g, adding 60mL of substance B and 5.8g of substance F into the three-necked flask, and obtaining a pale yellowviscous liquid; h, extracting with acetone, removing a solvent, using benzene for recrystallizing, and obtaining a white product. The polyamide inhibitor prepared by adopting the method has the characteristics of high temperature resistance, remarkable inhibitory effect, less influence on rheological property, and the like, and is applicable to various water-based drilling fluid systems.

The invention discloses a combined gas hydrate inhibitor and a preparation method thereof, and relates to the technical field of utilization and transportation of oil gas hydrates. The combined gas hydrate inhibitor comprises, by mass, 0.1-0.5% of polyvinyl caprolactam, 1-5% of an alcohol or a salt, and the balance of deionized water, wherein the alcohol is ethylene glycol, and the salt is potassium acetate or potassium nitrate. The addition of a certain amount of the salt or the alcohol to existing dynamics inhibitors prolongs the generation time of hydrates, reduces the generation amount ofthe hydrates, and greatly improves the inhibition effect of the dynamics inhibitor to make the dynamics inhibitor have the advantages of good effect, good stability and wide application range.

The invention relates to a method for improving internal crystallization of products in nonferrous industries, in particular to a method for improving internal crystallization of aluminum products. The method includes that virgin aluminum serves as a raw material, an rear earth (RE) element is added into a holding furnace, after the holding furnace is full, nitrogen is fed into a prepared powder refining agent tank, the prepared powder refining agent is infiltrated into molten aluminum through nitrogen pressure to be stirred constantly, after fining, aluminum water is stirred evenly, molten aluminum scum is removed, the temperature of the holding furnace is adjusted timely to be kept in a range between 700 DEG C and 760 DEG C, and the molten aluminum is stood for 20 to 40 minutes. According to the method, the technique is unique, improvements of industrial pure aluminum strength and plasticity processed by the RE are larger than those processed by conventional fusing agents, the rate of finished products is improved, the RE value is saved, and the rare earth aluminum ingot loss value is saved.

The invention discloses a low-temperature-resistant water-based color paste for controlling the color of a chemical fertilizer and application, and the low-temperature-resistant water-based color paste is characterized by being prepared by mixing the following components in percentage by mass: 50.5-86.5% of water, 2-5% of a dispersing agent, 0.5-1.5% of an anti-settling agent, 10-40% of pigment and 1-3% of an anti-freezing agent. When the low-temperature-resistant water-based color paste is used for controlling the color of the fertilizer, the addition amount of the low-temperature-resistant water-based color paste is 0.01-1.50 kg / ton of fertilizer, and the addition amount of the low-temperature-resistant water-based color paste is added into slurry for producing the fertilizer. The water-based color paste is stored and used in a low-temperature environment, does not freeze and agglomerate, is uniformly dispersed, has better flowability, is convenient to meter, add and use, and can be better used for controlling the color and uniformly adding in the fertilizer production process, so that the stable color and luster of the fertilizer are ensured, the phenomenon of flower materials is avoided, and the uniform and unified appearance of the fertilizer is ensured; the method is simple in application operation, convenient to add and high in practicability.

The invention relates to the technical field of feed and specifically relates to a novel pollution-free fertilizer additive. The novel pollution-free fertilizer additive is prepared from 36 to 48 parts of radix codonopsis, 23 to 35 parts of radix scutellariae, 26 to 35 parts of fructus schisandrae chinensis, 35 to 48 parts of pericarpium citri reticulatae, 25 to 38 parts of rhizoma menispermi, 35to 48 parts of radix astragali seu hedysari, 35 to 48 parts of radix isatidis, 25 to 35 parts of fructus forsythiae, 22 to 35 parts of rhizoma atractylodis and 23 to 35 parts of herba andrographitis.The additive contains natural plant active components, has no residues and no drug resistance, and also has a small adding amount and a good effect; standards are set for quality inspection of the additive, so that a product is ensured to be safe and effective to feed; environment pollution is not caused by a production link; and the product can completely replace applied harmful substances such as antibiotics and chemical drugs and ensures that the product quality of cultured animals is safe.

The invention relates to a corrosion inhibitor, specifically to a graphene-loaded amino-triazole corrosion inhibitor containing cinnamaldehyde active group and application thereof. The compound is a compound formed after chemical loading of cinnamaldehyde-[5-p-methylphenyl-1-amino-(1,3,4 s-triazole)-2-mercapto]-acetylhydrazone on active site of oxygen-containing functional group in a graphene molecular layer. The compound is applied in an alkaline environment of concrete or under a corresponding alkaline condition to carry out corrosion prevention on a carbon steel material and rebar products in seawater or a sodium chloride medium through the graphene molecular layer catalyzing a cathodic oxygen reduction reaction during the electrochemical process between a corrosion inhibitor and carbon steel. The corrosion inhibitor of the invention has wide sources, is easy for mass production, has less dosage, efficient performance and strong sustained action, can effectively inhibit corrosion damage to carbon steel, and has remarkable application value and wide market prospect.

The invention discloses a joint mixture for ceramic tiles and a preparation method thereof. The joint mixture is prepared from the following components in parts by weight: 30-50 parts of cement, 5-10 parts of diatomite, 1-5 parts of lacquer tree seed kernel oil, 20-30 parts of waste mash, 5-10 parts of black liquor and 5-10 parts of white water. The invention further discloses the preparation method of the joint mixture for the ceramic tiles. According to the raw material for the joint mixture, wastes of sugar mills, paper mills and paint mills are fully utilized, so that the wastes are recycled and reasonably utilized, and the environmental load is reduced; in addition, the joint mixture is wide in raw material source, scientific in proportion, good in air permeability, simple in production process, low in cost, high in production efficiency, good in use effect and suitable for industrial mass production. The joint mixture disclosed by the invention can be applied to the fields of ceramic tile joint filling, wall surface repairing, ground leaking stoppage and the like.

The invention relates to corrosion inhibitors, in particular to a graphene loaded amino-triazole corrosion inhibitor containing a chlorobenzaldehyde active group and application thereof. The graphene loaded amino-triazole corrosion inhibitor compound is formed by chemical loading of chlorobenzaldehyde-[5-p-methylphenyl-1-amino-(1,3,4-triazoles)-2-mercapto]-acetyl hydrazones at active sites of oxygen containing functional groups of the graphene molecular layer. The compound is applied to the concrete alkaline environment or the corresponding alkaline condition, and through a cathodic oxygen reduction reaction in the electrochemical process of acting of the graphene molecular layer catalyzed and loaded corrosion inhibitor and carbon steel, a carbon steel material in a seawater or a sodium chloride medium and a steel bar product of the carbon steel material are subjected to corrosion protection. The corrosion inhibitor is wide in source, easy to mass-produce, extremely less in using amount, efficient in performance, high in sustained action capability and capable of effectively inhibiting corrosion destruction of the carbon steel and has significant application value and wide market prospects.

The invention relates to a corrosion inhibitor, specifically to a graphene-loaded thiadiazole corrosion inhibitor containing anisic aldehyde active group and application thereof. The compound is a compound formed after chemical loading of anisic aldehyde-[5-(p-methylphenyl)-1,3,4 thiadiazole-2-mercapto]-acetylhydrazone on active site of oxygen-containing functional group in a graphene molecular layer. The compound is applied in an alkaline environment of concrete or under a corresponding alkaline condition to carry out corrosion prevention on a carbon steel material and rebar products in seawater or a sodium chloride medium through the graphene molecular layer catalyzing a cathodic oxygen reduction reaction during the electrochemical process between a corrosion inhibitor and carbon steel. The corrosion inhibitor of the invention has wide sources, is easy for mass production, has less dosage, efficient performance and strong sustained action, can effectively inhibit corrosion damage to carbon steel, and has remarkable application value and wide market prospect.

The invention discloses a hydrate inhibitor composite which comprises the following components in parts by weight: 1-5 parts of polyvinyl alcohol caprolactam and 1-8 parts of mixed preparations, wherein the mixed preparations are selected from one or more of alcohols, ethers or polymers. The hydrate inhibitor composite disclosed by the invention enhances the inhibition property of an inhibitor by taking the dynamic inhibitor as a main agent and adding certain mixed preparations.

The invention discloses a modified high ignition point transformer oil and a preparation method thereof. The modified high ignition point transformer oil is mainly composed of mineral insulating oil, modified nano-magnesium hydroxide / nano-aluminum hydroxide composite flame retardant and toluene diphenyl phosphate Composed of ester, the modified nano-magnesium hydroxide / nano-aluminum hydroxide composite flame retardant is mainly prepared by modifying nano-magnesium hydroxide and nano-aluminum hydroxide through oleic acid. The preparation method includes (1) preparing a modified nano-magnesium hydroxide / nano-aluminum hydroxide composite flame retardant, (2) adding the composite flame retardant, and (3) adding toluene diphenyl phosphate. The modified high ignition point transformer oil of the present invention not only has the characteristics of excellent heat dissipation performance, insulation performance and low price of mineral insulating oil, but also has the characteristics of high fire resistance and fire prevention performance, and can be replaced without any modification to the existing transformer The original conventional low ignition point mineral insulating oil can be widely used and promoted, and has important practical significance and commercial value.

The invention discloses a preparation method of a polyamide inhibitor for a drilling liquid. The preparation method comprises the following steps of a, adding a monomer A and a solvent into a reactionkettle with a stirring and reflux condensing tube device, a thermometer and a nitrogen leading tube, and stirring at normal temperature until the monomer A is completely dissolved; b, heating to 80 DEG C, adding a matter A according to a ratio of the matter A to the monomer A equal to 3:1, reacting for 3 to 5h, leading nitrogen to bubble for 3 to 5min, and adding a monomer B according to a ratioof the monomer B to the monomer A equal to 1:1; reacting for 3 to 5h at the temperature, adding an end-capping reagent, continuing to react for 3 to 5h, and terminating reaction. Compared with the conventional water-based treatment agent, the inhibitor prepared by the preparation method has the advantages that the compounding property is good, the influence to the property of the water-based drilling liquid is little, the inhibiting ability of the water-based drilling liquid can be effectively enhanced, the function of inhibiting hydration dispersing of minerals in a water-sensitive stratum isrealized, the drilling cost is reduced, and the safety and speed in drilling are ensured.

The invention discloses a nano waterborne ink binder and a preparation method thereof. The nano waterborne ink binder comprises isophorone diisocyanate, polypropylene glycol, hydrophilic chain extender, 1, 4-butanediol, triethylamine, deionized water, N-methyl pyrrolidone, dibutyltin dilaurate and acetone. The preparation method includes: heating the isophorone diisocyanate and the polypropylene glycol to react with the dibutyltin dilaurate; adding the hydrophilic chain extender for reaction, cooling and adding ethylenediamine dissolved in cosolvent; adding 1, 4-butanediol dissolved in equivalent acetone for reaction, dissolving the triethylamine in the deionized water and dropping into the reaction solution under high-speed stirring, adding alkali for adjustment, and performing reduced pressure distillation to obtain the nano waterborne ink binder. Fineness of the nano waterborne ink binder is nanometer scale. The nano waterborne ink binder is high in solid content, low in viscosity, and fine in standing stability, centrifugal stability and thermal stability. The preparation method is simple and convenient to operate.