3284 results about "Sodium hexametaphosphate" patented technology

The invention discloses a brushing-proof abrasion-proof and erosion-proof ceramic paint, which is characterized by the following: selecting at least one of electric-melting brown corundum, electric-melting subwhite corundum, electric-melting white corundum, carborundum and electric melting mullite with different grain sizes as main material and at least one of compact corundum, electric-melting subwhite corundum, electric-melting white corundum, carborundum, silicon nitride and boron nitride as auxiliary material; using CA50 calcium aluminate cement or pure calcium aluminate cement as binder and nanometer micro-silica powder and active alpha-Al2O3 micropowder as reinforcer; making hyperdrying active high-effective dehydragent, sodium citrate and sodium hexametaphosphate as composite additive; loading in the strength stirrer to stir 12-17min; blending evenly; packing.

The invention provides a grinding aid for slag cement. The grinding aid provided by the invention comprises the following components by weight percent: 5-20wt% of alcohol amine compound, 0.1-5wt% of hydroxypropyl methyl cellulose, 5-30wt% of polyhydric alcohol compound, 0.5-10wt% of sodium hexametaphosphate, 1-10wt% of soluble sulfate, 1-8wt% of sodium dodecyl benzene sulfonate and the balance of water. In the grinding agent provided by the invention, the hydroxypropyl methyl cellulose is beneficial for stimulating the activity of the slag, forming stable hydrous products in the reaction process, improving the property of the cement, improving the strength of the cement and improving the stability of the liquid grinding aid at the same time. Experimental result shows that the grinding aid is capable of increasing the breaking strength of the cement to 9.5MPa and increasing the compressive strength to about 55MPa.

The invention discloses a method for preparing an environment-friendly micro-arc oxidation black ceramic film on an aluminum alloy surface, and the method comprises the following steps: firstly, pouring deionized water into an oxidation tank, weighing 1-10g / L of sodium hexametaphosphate, 1-3g / L of sodium silicate, 0.5-2g / L of potassium hydroxide, 0.2-2g / L of sodium fluoride and 0.5-20g / L of ferric ammonium oxalate in terms of the volume of the added deionized water, and uniformly stirring and mixing the sodium hexametaphosphate, the sodium silicate, the potassium hydroxide and the sodium fluoride to obtain a micro-arc oxidation base electrolyte; adding the weighed ferric ammonium oxalate into the base electrolyte, and stirring and mixing uniformly to obtain an aluminum alloy micro-arc oxidant solution; and then, sequentially carrying out surface deoiling and cleaning, water washing, aluminum alloy micro-arc oxidation, sealing and drying on the aluminum alloy to prepare the environment-friendly micro-arc oxidation black ceramic film on the aluminum alloy surface. By means of the preparation method disclosed by the invention, the problems of single color, limited application range, and environment pollution caused by a vanadate electrolyte, of the existing aluminum alloy ceramic film layer, are solved.

The invention discloses a silicate cement grinding aid and a preparation method thereof. The silicate cement grinding aid is prepared from the following main raw materials by weight: 3-6 parts of sodium hexametaphosphate, 2-5 parts of aluminum sulfate, 5-8 parts of tetra sodium salt of amino trimethylene phosphonic acid (ATMP.Na4), 4-6 parts of ethylene diamine tetra (methylene phosphonic acid) sodium, 38-45 parts of polymeric alkylol amine, 34-42 parts of triisopropanolamine, 8-12 parts of waste engine oil, 2-5 parts of sodium alpha-olefin sulfonate, 10-16 parts of sorbitol, 15-20 parts of diethylene glycol, 8-13 parts of polypropylene wax, 6-10 parts of oxidized polyethlene wax, 4-8 parts of lignite wax, 20-30 parts of odium thiosulfate, 12-18 parts of sodium thiosulfate and 15-20 parts of quicklime powder. The prepared silicate cement grinding aid has the advantages that the quality is stable, the effect is remarkable, the adding amount is small, the use is simple, and the adding is more convenient and reliable to control.

The invention relates to an anti-sticking daubing material applied in steelmaking as well as the preparation method thereof, and is characterized in that the daubing material is composed of the following components by weight percentages as follows: 65 to 80 percent of 0 to 3 mm waste magnesia-carbon brick powder, 10 to 30 percent of waste magnesia-carbon brick powder, 5 to 30 percent of fused magnesia powder, 1 to 4 percent of fine silica powder, 1 to 4 percent of fine Alpha-Al2O3 powder, 0.1 to 1 percent of sodium hexameta phosphate, 0.1 to 0.8 percent of calcium lignosulfonat and 1 to 5 percent of soft clay. The daubing material can prevent the penetration of molten slag by utilizing the lubricating property of graphite in the waste magnesia-carbon bricks, and the slag is not easy to be hung on the surface, thereby not only effectively utilizing the waste magnesia-carbon bricks, but also prolonging the service life and reducing the cost.

The invention provides a preparation method for wear resistant fire-retardant coating with simple construction process, good wear resistance and relatively low cost. The raw material of the wear resistant fire-retardant coating selects plate-shaped tabular alumina, brown alumina and high-quality bauxite chamotte as aggregate, selects plate-shaped tabular alumina powder, flint clay powder, alpha-Al2O3 micropowder and ceramic powder as fine powder, selects 42.5 mass percent industrial phosphoric acid solution, solid aluminium dihydrogen phosphate and clay powder as bonding agents, selects fused magnesite as a curing agent and selects sodium borate and sodium hexametahposphate as sintering aids. The wear resistant fire-retardant coating can be directly smeared on the surfaces of a wear resistant fire-retardant material liner and a water cooling wall pipe, fills up technical blank of resisting the wear on metal by using a non metal coating at a high temperature of 900 DEG C, provides a new repairing method for a non metal wear resistant fire-retardant material liner, has simple construction process, can obviously improve working environment of workers, reduce the labor intensity and improve the working efficiency of maintaining a circulating fluid bed boiler heated surface metal pipe wall and the wear resistant fire-retardant material liner.

The invention discloses a technology of enhanced-dispersion partial selective and bulk flotation of lead and zinc sulfide ores under low and high alkalinity. During grading of the lead and zinc sulfide ores, sodium hexametahposphate is taken as a dispersion agent and directly added into a ball mill, the ores are ground till the ores with the size of 0.074mm account for 67%-70%, lime is taken as an adjusting agent, zinc sulfate and sodium sulfite are taken as inhibitors, dithiophosphate BA and diethyldithiocarbamate are taken as collectors, and selective flotation of part of lead minerals with good floatability can be performed under low alkalinity; then xanthate and the diethyldithiocarbamate are taken as collectors, and the flotation of the lead minerals is further performed under high alkalinity; copper sulfate is added in lead flotation tailings for activation, butyl xanthate is further taken as the collector for flotation of zinc blende and part of pyrite, and zinc-sulfur separation flotation is further performed on zinc-sulfur mixed concentrate; and sulfuric acid is added in zinc flotation tailings for activation, and the xanthate is taken as the collector for flotation of the remaining pyrite. By adopting the technology, the lead-silver recovery rate can be improved, the using amount of lime and sulfuric acid can be reduced, the circulating amount of middlings can be reduced, the ore dressing cost can be reduced and the grade of the concentrate can be improved.

The invention provides an acetylene sludge aerated concrete block, which is prepared by processing the following raw materials in part by weight: 20-30 parts of acetylene sludge, 25-30 parts of coal ash, 5-10 parts of cement, 4-6 parts of modified attapulgite, 5-10 parts of water treatment sludge, 5-10 parts of soda residue, 5-10 parts of light calcium powder, 10-15 parts of lime, triethanolamine, 4-5 parts of gypse, 0.02-0.08 part of aluminium powder, oxidized paraffin wax soap, 0.01-0.02 part of calcium bicarbonate, 2-3 parts of chelky slag, 1-2 parts of lignocellulose, 0.3-0.5 part of water glass, 0.03-0.05 part of borax, 1-2 parts of sodium hexametaphosphate, 1-2 parts of hydroxy propyl methyl cellulose sodium and 1-2 parts of superfine polyvinyl alcohol, wherein the weight of the triethanolamine is 0.1-0.3 percent of that of the lime, and the weight of the oxidized paraffin wax soap is 3-5 percent of that of the aluminium powder. According to the invention, the acetylene sludge is added into the raw materials of the aerated concrete block, and meanwhile other conventional additives and modified nano additives are added; the aerated concrete block is prepared by adopting a proper technology and is low in cost and good in performance; the circulating economy effect of changing waste into valuable is realized; the pollution is reduced; and the prepared aerated concrete block has the characteristics of light volume weight, high thermal insulation performance, good sound absorption effect and high strength and can be used for non-bearing or bearing wall bodies.

The invention discloses a preparation method of titanium pigment used in ship paint. The method comprises the following steps that: a. metatitanic acid is calcined, such that a titanium pigment crude product is obtained, the titanium pigment crude product is prepared into TiO2 slurry, and sodium hexametaphosphate is added to the slurry; b. the slurry is heated, a silicon-containing compound is added to the slurry, and the slurry is homogenized; c. the pH value of the TiO2 slurry is regulated to 0.8 to 4; d. after the slurry is slaked, an organic dispersant is added to the slurry, an aluminum-containing compound is added to the slurry, and the mixture is homogenized; e. the pH value of the TiO2 slurry is regulated to 4 to 8; f. the TiO2 slurry is slaked; g. the TiO2 slurry is filtered, such that the resistivity of the filter cake is greater than or equal to 100 [omega]M; and the filter cake is dried and heat treated; h. an organic surface conditioning agent is added to the filter cake, and the filter cake is crushed, such that the finished product is obtained. According to the present invention, nano-sized silicon oxide sol and alumina sol are prepared sequentially. Through physical adsorption and chemical absorption, a compact coating layer is formed on the surface of the TiO2 particles. Then, the coating layer is firmly attached to the surface of the TiO2 particles through chemical deposition. With the coating layer, the product provided by the present invention possesses good dispersibility, weatherability and corrosion resistance. Meanwhile, according to the method provided by the present invention, the raw materials are easy to obtain, the processes are smooth and are easy to control.

The invention relates to a technique for efficiently removing iron from kaolin by magnetic separation, which is characterized by comprising the following steps: (1) purifying kaolin raw ore to obtain a magnetic separation raw material; (2) adding water to the magnetic separation raw material obtained in the step (1) to prepare a mixed slurry with the solid content of 10-20 wt%, adding sodium hexametaphosphate accounting for 0.2-0.6 wt% of the magnetic separation raw material, slurrying, stirring for 20 minutes, and passing through a 325-mesh wet sieve; (3) carrying out high-gradient magnetic separation on the undersize slurry of the 325-mesh sieve in the step (2): while controlling the magnetic field intensity of the high-gradient magnetic separator at 1.0-1.8T and the slurry flow rate at 0.8-1.8cm / s, the slurry is subjected to magnetic separation by the high-gradient magnetic separator to obtain a concentrate slurry; (4) adding alum accounting for 1-6 wt% of the concentrate slurry into the concentrate slurry obtained in the step (3), flocculating, carrying out pressure filtration, drying, and packaging to obtain a magnetic concentrate; and (5) calcining the magnetic concentrate obtained in the step (4) to obtain the calcined kaolin. The technique has the advantages of high iron removal efficiency and obvious whitening effect.

The invention relates to leaking stoppage cement slurry for well cementation and a preparation method thereof. The leaking stoppage cement slurry consists of the following components in parts by weight: 100 parts of oil-well cement, 50-150 parts of water, 0.01-8 parts of fibrilia, 1-20 parts of dispersing agent, 1-20 parts of filtrate reducer, 5-50 parts of alkali regulator, 1-10 parts of retarder and 0-1 part of defoaming agent, wherein the dispersing agent is lauryl sodium sulfate or sodium hexametaphosphate; the filtrate reducer is 2-acrylamide-2-methylpropanesulfonic acid or hydroxyethylcellulose; the alkali regulator is silicon powder; the retarder is sodium lignin sulfonate or citric acid; the defoaming agent is dimethyl silicon oil or tributyl phosphate; and the fibrilia is one or the mixture of two or more of jute, flax, hemp, ramie and sisal. The invention effectively solves the problem of leakage loss of cement slurry and inherent brittleness of set cement in the well cementation process on the premise of meeting various engineering performances required by the well cementation and provides the guarantee for subsequent operation of oil well gas.

The invention discloses a fluorite slag-containing aerated concrete block. The fluorite slag-containing aerated concrete block is prepared from the following raw materials by the conventional process for preparing the aerated concreted block: 25 to 30 weight parts of coal ash, 5 to 10 weight parts of cement, 10 to 15 weight parts of quick lime, 5 to 10 weight parts of modified nano powder, 5 to 10 weight parts of volcanic rock powder, 3 to 5 weight parts of gypsum, 0.05 to 0.1 weight part of aluminum powder, 0.02 to 0.08 weight part of peregal, 0.03 to 0.08 weight part of oxyparaffin soap, 0.3 to 0.5 weight part of soda ash, 0.5 to 0.8 weight part of bentonite, 0.3 to 0.5 weight part of zinc stearate, 0.01 to 0.03 weight part of aluminum hydroxide, 0.05 to 0.1 weight part of sodium hexametaphosphate and an appropriate amount of water. Nano mineral powder is added, so that the volume weight of the brick, and the energy consumption are reduced; the aerated brick is high in thermal insulation performance and sound insulation performance; compared with the conventional aerated concrete block, the fluorite slag-containing aerated concrete block has the advantages that the thermal insulation performance and the sound insulation performance are improved obviously; the raw materials are mixed according to an optimized formula; and the intensity and the freezing resistance of the brick are improved obviously.

A lining material of tundish for conticasting is prepared from 6 primary raw materials including sintered magnesium sand, electrosmelted magnesium sand, forsterite, light forsterite, etc and 9 secondary raw materials including water glass, sodium tripolyphosphate, dextrin, starch, etc through proportionally mixing, stirring, loading in mould, vibrating, baking at 150-400 deg.C and demoulding.

The invention discloses a method for preparing an environment-friendly natural fiber printing paste, comprising the following steps of: 1) selecting fine diatomaceous earth having a grain size less than or equal to 2 microns; 2) preparing raw printing paste, wherein the raw printing paste is composed of the following components in terms of weight: 6-13% organic printing paste material, 1-8% fine diatomaceous earth and 0.2-0.6% sodium hexametaphosphate, and rest being water; and 3) preparing the printing paste, wherein the printing paste is composed of the following components in terms of weight: 1-4% dye, 1-7% urea, 1-7% urea replacing agent, 1.5-2.5% sodium bicarbonate, 0.2-1% reserve salt S and 50% raw printing paste, and rest being water. The printing paste obtained through the method of the invention is capable of ensuring the printing quality and also capable of greatly reducing the content of organic matters in sewage discharged after printing, thereby reducing pollution.

The invention relates to an aluminiferous casting material for blast furnace tapping and a preparation method thereof, belonging to the technical field of fire-proof material. The main raw materials of the casting material contain industrial corundum powder, Si powder, high-temperature pitch grain powder, alumina concrete or calcium aluminum concrete, Aplha-Al2O3 superfine powder, SiO2 superfine powder and metallic silicon powder. Sodium tripolyphosphate or sodium hexametaphosphate is used as dispersing agent. Explosion-proof organic fiber and aluminum ash are added to acquire the casting material for blast furnace tapping. The casting material can be used, after adding 4% to 6% of water and mixing in the casting material, molding the mixture by pouring into a mould for blast furnace tapping, naturally hardening, drying, de-molding, drying at a temperature of 85 DEG C to 700 DEG C and removing water by performing thermal treatment. The casting material has high blast furnace slag resistant property and usability. By adopting the components Al2O3, Al, SiO2, etc., in the aluminum ash instead of the aluminum material and siliceous material in the casting material for blast furnace tapping, the invention can efficiently lower the cost of the casting material and find a new way to comprehensively use aluminum ash.

The invention relates to a water soluble compound potassium monopersulfate powdered disinfecting agent comprising sodium chloride, potassium monopersulfate, sulfamic acid, malic acid, lemon acid, sodium hexametaphosphate, sodium dodecanesulphonate and sodium silicate by weight percentage.

The invention relates to a beneficiation method for copper sulfide ore containing easily-sliming gangue minerals. According to the method, lime is adopted as pH regulator and pyrite depressant of flotation pulp of the copper sulfide ore containing the easily-sliming gangue minerals; sodium sulfide serves as activator of a small number of copper oxide minerals in the ore; sodium hexametaphosphate, sodium silicate or ethylenediamine serves as gangue slurry dispersant; a combination of butyl xanthate and other collectors serves as a collector of copper sulfide minerals; terpernic oil serves as foaming agent. The ore is subjected to primary grinding, primary roughing, primary scavenging and three-time concentration; the ore pulp is subjected to strong stirring and pulp mixing before starting to be subjected to primary roughing, primary scavenging and primary concentration, so that copper contained in the ore is efficiently recovered. According to the method, through reasonable combination and addition of chemicals, the ore grinding and pulp mixing process is strengthened, the adverse influence of gangue slurry on copper sulfide mineral floatation is eliminated, the surface characteristics of copper sulfide minerals are improved, the preferential adsorption of the collector on the surfaces of the copper sulfide minerals is enhanced, and accordingly, compared with a conventional method, the copper grade and the copper recovery rate of copper concentrate are substantially increased.

The invention discloses an environment-friendly diatom ooze composite and a preparation method thereof, and belongs to the technical field of composites for buildings. The environment-friendly diatom ooze composite is prepared from, by mass, 30-50% of diatomite, 3-12% of heavy calcium powder, 8-20% of quartz sand, 10-15% of pH conditioning agents, 6-10% of calcined kaolin, 4-10% of talcum powder, 5-10% of sepiolite, 2-5% of pigments, 2-4% of pregelatinized starch, 1-3% of hydroxypropyl methyl cellulose, 1-2% of dispersible latex, 1-2% of starch ether, 0.5-2% of sodium tripolyphosphate, 0.5-2% of sodium hexametaphosphate, 0.5-1% of polyvinyl alcohol, 0.1-0.5% of guar gum and 0.1-3% of nanometer titania. The preparation method is simple and easy to construct, and the diatom ooze is porous matter, can adsorb and decompose hazardous substances such as methanal and methylbenzene and has the functions of regulating humidity and removing peculiar smell.

The invention discloses a fireproof material. The fireproof material is prepared from the following raw materials in parts by weight: 35 to 70 parts of black mud powder or 10 to 45 parts of furnace slag or mixture of the black mud powder and the furnace slag, 10 to 50 parts of red silica powder or quartzitic sandstone power, 5 to 15 parts of kyanite powder or andalusite powder or sillimanite powder, 1 to 4 parts of zirconium silicate powder or yttrium-stabilized zirconia powder, 5 to 15 parts of cement, 3 to 5 parts of sodium hexametaphosphate, 3 to 5 parts of fibers, 0.5 to 1 part of aluminum sol or yttrium sol, and the balance being water and animal composite foaming agent. The invention also provides a preparation method for the fireproof material, and a fireproof door made from the fireproof material. The fireproof material is high in refractory temperature, low in manufacturing cost and simple in preparation method. The fireproof door is simple in structure, easy to produce, longin refractory time, high in refractory temperature, low in production cost and stable in quality.

The invention provides putty powder used for walls in a house. The putty powder comprises the following ingredients: ground calcium carbonate, sodium-base bentonite, 1788 powder of polyving akohol, hydroxypropyl methyl cellulose and talcum powder, besides, white cement or / and calcium hydroxide powder is / are added therein as a reinforcing material, and also, sodium hexametaphosphate powder and / or tourmaline powder are / is added in the product. The putty powder has excellent scraping construction performance, long-acting mould-proof performance and excellent dense degree of the putty coating as well as the function of releasing negative ions for a long time, can effectively adsorb various harmful substances in the air and purify the air, and has excellent environment-friendly performance.

The invention discloses a method for preparing an aluminum alloy anodic oxide film sealant, which comprises the main processes of adding deionized water, zinc acetate, magnesium acetate, cerium acetate, surfactant, hydration promoter and sublimation preventing agent into a reaction kettle in turn, and mixing, stirring and heating the components to form the sealant. One of the important components of the sealant is sublimation preventing agent which is prepared by mixing the deionized water, polyvinyl alcohol and sodium hexametaphosphate together and then stirring and heating the mixture in the reaction kettle. The raw materials adopted by the preparation method do not contain nickel and fluorine elements, so the sealant is favorable for environmental protection; and the sealant reduces energy consumption during use, and improves the qualification rate of aluminum alloy products.

The invention relates to a water-base rusting anti-corrosion paint of a steel structure, and a manufacturing technology thereof. The water-base rusting paint comprises styrene-acrylic latex, ferric oxide, talcum powder, phosphoric acid, tannin, aluminum hydroxide, zinc oxide, zinc dihydric phosphate, potassium dichromate, a film-forming auxiliary agent, sodium hexametaphosphate, dibutyl phthalate, an antifoam agent and water which is added till 100 percent (mass). The preparation method of the paint of the invention is that a pigment filler is added into a ball mill to prepare pigment filler slurry according to a mixing ratio, the phosphoric acid, the tannin, the zinc oxide and the aluminum hydroxide are mixed and heated till the solution is clear so as to prepare transformation liquid, then the pigment filler slurry and the transformation liquid and other components are mixed and stirred, and finally a finished product is obtained after filtration. The paint of the invention is characterized by good performance and low cost, etc., can be used for hull painting with rust directly, and can be used not only as a base paint, but also as a surface paint.

The invention discloses a water-based paint for an iron casting through a lost foam casting die. The paint comprises refractory aggregate, binders, a suspending agent, additives and a dispersing agent, wherein the refractory aggregate comprises high aluminum powder, zircon powder and pyrophyllite; the binders comprise silica sol or white emulsion, polyvinyl acetate emulsion, bentonite and sodium hexametaphosphate; the suspending agent comprises sodium carboxymethylcellulose; the additives comprise Tween, octanol, sodium carbonate, cryolite and iron oxide powder; and the dispersing agent is water. According to the paint, suitable ingredients are chosen, the content is adjusted, a suitable mixing process is adopted, and therefore performances such as normal temperature and high-temperature strength, suitable high-temperature permeability and good leveling property, suspension property and painting performance of a coating can be satisfied completely. The paint is suitable for gray iron castings with different trademarks and enables the expendable casting die to be stripped with the iron casting easily, particularly for stripping in flakiness of a sintered coating during cleaning, and the possibilities for diverse defect generation on the surface of the iron casting are reduced; and simultaneously, pollution of coating components to the environment is reduced greatly due to the selection of phosphate assistant.

The invention provides surface-modified titanium white powder and a preparation method thereof. The preparation method comprises the following steps of: preparing 5 to 20 mass percent aqueous solution from titanium dioxide powder, adding sodium hexametaphosphate into the aqueous solution, adding a water-soluble silicon compound to ensure that SiO2 is precipitated on the surfaces of titanium dioxide particles, adding an aluminum salt membrane-enveloping agent at the temperature of between 80 and 100 DEG C and keeping the pH of mixed slurry to be between 8.5 and 11 simultaneously to ensure that the titanium white powder is uniformly dispersed, washing, performing suction filtration, drying and grinding to obtain a surface-modified titanium white powder product. A layer of inorganic substances can be enveloped on the surfaces of the titanium white powder particles, namely silicon ions and aluminum ions are adhered on the surface of the titanium white powder simultaneously, so that the surface activity of the titanium white powder is reduced, and the dispersibility and whiteness of the titanium white powder are improved. The method is easy, feasible, low in cost and pollution-free.

The invention relates to a novel RH gunning refractory belonging to the refractory material field. The gunning refractory comprises the following raw materials in weight percent: 50-60% of fused magnesite crude powder, 15-30% of fused magnesite fine powder, 10-255% of chrome ore, 0.5-2% of slaked lime, 1-5% of light calcium carbonate, 1-4% of sodium hexametaphosphate, 2-55% of borax, 2-4% of silica powder, 0.5-4% of sodium tripolyphosphate and 0.005-0.1% of carboxymethylcellulose; and the raw materials are evenly mixed in a stirring device to obtain a finished product. The RH gunning refractory prepared from the raw materials provided by the invention is low in production cost, resistant to erosion and good in impermeability; an RH insert tube after being subjected to gunning maintainmentcan be used more than 85 times and the RH insert tube can be used for 5-6 furnaces after every time of gunning maintainment; the service life of the RH insert tube is obviously prolonged and the production efficiency is greatly improved; and in the use process, no harmless gas gives out, no peculiar smell is produced and no thick smoke is generated; and therefore the novel RH gunning refractory completely meets specified environmental indexes and utilization requirements..

The present invention relates to paint, and is especially one kind of water soluble high temperature fireproof antirust paint comprising silicone propylene emulsion 30-40 (in wt%, the same below), water 8-16, polysodium acrylate 0.3-0.5, sodium hexametaphosphate 0.1-0.3, moldproof fungicide 0.1-0.2, antirust agent 0.2-0.3, fire retardant 5-8, aluminum tripolyphosphate 3-5, titania powder 8-10, magnet powder 8-10, mica powder 3-5, barium metaborate 8-10, silica sol 3-5, potassium silicate 2-5, defoaming agent 0.1-0.3, and leveling agent 0.1-0.2. The water soluble high temperature fireproof antirust paint is prepared through mixing, stirring and depurating. It has heat resistance, fireproof effect and capacity of preventing metal from rusting.

The invention discloses an attapulgite fruit and vegetable fresh-keeping coating. The technical scheme comprises the essential that the attapulgite fruit and vegetable fresh-keeping coating consists of pasty attapulgite clay, chitosan, superfine polyvinyl alcohol, sodium hexametaphosphate, sodium diacetate, super water absorbent resin and de-ionized water. A production method of the attapulgite fruit and vegetable fresh-keeping coating comprises the steps of mixing materials, stirring, comminuting, grinding, stirring, degasifying and packing to obtain a finished product of the attapulgite fruit and vegetable fresh-keeping coating. The attapulgite fruit and vegetable fresh-keeping coating has good film-forming property. When coated on surfaces of fruits and vegetables, the attapulgite fruitand vegetable fresh-keeping coating forms a protective layer of a sealing film quickly to inhibit and kill various midew, bacteria and other putrefying bacteria, effectively prevent nutritive materials and moisture of fruits and vegetables from running off and keep the original taste of the fruits and vegetables with the fresh-keeping period of more than 60 days. The attapulgite fruit and vegetable fresh-keeping coating can be sprayed, painted and dipped to cover the surfaces of the fruits and vegetables.

The invention discloses a method for recovering fine mud cassiterite. The method comprises the following steps of dispersing a fine mud cassiterite mineral in an agitator by using sodium hexametaphosphate as a dispersing agent, grading the fine mud cassiterite mineral by using a high frequency fine screen, recovering the graded fine mud cassiterite mineral through gravity separation by using a fine mud cassiterite table concentrator to obtain fine mud rough concentrates in different particle sizes, and combining the fine mud rough concentrates in different particle sizes and performing floatation recovery on the fine mud cassiterite to obtain a cassiterite concentrate. By the method, the fine mud cassiterite can be effectively recovered, and the fine mud cassiterite concentrate of which the cassiterite grade is 45.87-46.21 percent and the recovery rate is 52.51-56.75 percent can be obtained under the condition that the fed mineral has the cassiterite grade of 0.37-0.45 percent.

The invention discloses a flame-resistant corrosion-resistant coating. The flame-resistant corrosion-resistant coating is an amorphous flame-resistant corrosion-resistant coating for protecting the surface of a liner of an industrial furnace. The flame-resistant corrosion-resistant coating is characterized in that fine powder of tabular corundum and magnesium aluminate spinel, calcined alpha-Al2O3 micro-powder, pure calcium aluminate cement as a curing agent, sodium hexametaphosphate as a sintering assistant, and a phosphoric acid or aluminum dihydrogen phosphate solution as a binder are blended into the flame-resistant corrosion-resistant coating. The flame-resistant corrosion-resistant coating can resist corrosion produced by a high-concentration fluoride and a high-concentration hydrogen fluoride atmosphere, and has the advantages of high purity, good heat stability, application convenience, smooth and compact surface and relatively low cost. The flame-resistant corrosion-resistantcoating is suitable for the surface of a liner of a furnace with fluorides and a hydrogen fluoride atmosphere and also is suitable for the surface of a liner of a high-temperature and low-oxygen content furnace with a strong reduction atmosphere.

The invention relates to a manufacturing method of an antibacterial deodorizing polyester fiber, which comprises the following steps of: compounding zinc oxide whiskers with sterilizing and antibacterial functions, palygorskite fibers and various antibacterial agents with different antibacterial effects into a broad-spectrum antibacterial agent; preparing the broad-spectrum antibacterial agent and ethanediol into antibacterial ethanediol in the presence of a tiny amount of sodium hexametaphosphate; when polymerization esterification rate reaches 85%-90%, adding the antibacterial ethanediol to a polycondensation kettle, and polymerizing to prepare a copolyester antibacterial polyester, or blending and fusing the broad-spectrum antibacterial agent and the conventional polyester to prepare a blended antibacterial polyester; and fusing, compounding and spinning the antibacterial polyester as a shell layer and PET (Polyethylene Terephthalate) and PTT (polytrimethylene Terephthalate) serving as a core layer together to obtain the shell-core antibacterial deodorizing polyester fiber.