18 results about "Vermiculite" patented technology

The invention provides plant growth type porous concrete suitable for plant growth. The concrete comprises a porous concrete body with thickness and mixed fine loam covering the surface layer of the porous concrete body. The porous concrete body comprises components by volume density as follows: 150-325 kg/m<3> of cement, 1,495-1,550 kg/m<3> of ceramsite, 40-86 kg/m<3> of fly ash, 10-12 kg/m<3> oflimestone powder, 100-120 kg/m<3> of fine loam, 2-3 kg/m<3> of plant ash, 15-30 kg/m<3> of rice husk charcoal, 2.5-4 kg/m<3> of a water reducing agent, 10-20 kg/m<3> of EVA latex powder, 17-40 kg/m<3> of butadiene-styrene rubber powder, 13-23 kg/m<3> of a polyacrylate emulsion, 20-30 kg/m<3> of organic compost, 15-20 kg/m<3> of vermiculite, 2-3 kg/m<3> of seaweed meal, 0.5-0.7 kg/m<3> of tea seedmeal, 2-3 kg/m<3> of neem cakes, 0.7-1.2 kg/m<3> of polyacrylamide, 0.5-1 kg/m<3> of ferrous sulfate, 3-4 kg/m<3> of modified loofah fiber, 0.8-1 kg/m<3> of an organic silicon defoamer and 60-90 kg/m<3> of water.

The invention relates to a high-temperature resistant heat insulating material using vermiculite as a main raw material and a method for manufacturing the same, which belong to the field of heat insulating materials. The method is characterized by comprising the following steps: firstly, quickly heating and swelling commercially available primary minerals of the vermiculite with large, medium and small diameters at a temperature of between 500 and 900 DEG C; secondly, mixing the swelled vermiculite with an aluminum dihydrogen phosphate bonding agent, aluminum hydroxide or rho-alumina, and nano-silica according to the requirement of weight percentage; stirring the mixture evenly in an airtight stirring machine and then filling the mixture into a die; after prepressing, performing hot pressing and shaping on the mixture; and after discharging, finishing the product properly to obtain the high-temperature resistant heat insulating material using the vermiculite as the main raw material. Through grain composition, density control, addition of the nano-silica and application of the high-temperature resistant bonding agent, and using small grained primary minerals of the vermiculite with large yield and low cost, the high-temperature resistant heat insulating material and the method solve the bottleneck problems of insufficient supply of large grained primary minerals of the vermiculite, and the improvements on the strength and the service temperature of the vermiculite heat insulating material at the same time, thus the material can keep a low coefficient of thermal conductivity under a high temperature condition.

The invention belongs to the technical field of agriculture and discloses a functional seedling culturing substrate formula applicable to crop seedling culture of cucumbers, watermelons and melons, and a preparation method thereof. The functional seedling culturing substrate formula comprises turf, vermiculite, wheat stubbles and a palmitic acid solution, wherein the volume ratio of the turf to the vermiculite to the wheat stubbles is 2: 1: 0.375; the mass ratio of a substrate to the solution is 4: 1; the adding amount of the palmitic acid is 0.0256% of the total mass of a seedling culturing substrate. According to the functional seedling culturing substrate formula, the components are environment-friendly and pollution-free; the anti-disease capability of the seedling culturing substrate can be improved; compared with an existing seedling culturing substrate containing farmyard manure and a water-retaining agent, the functional seedling culturing substrate formula has the advantages of abundant raw materials, low cost, convenient manufacturing, capability of changing wastes into valuable things and the like. Self-rooted seedlings cultured by using the substrate do not need supplement of nutrient solutions; seedlings are regular and strong, do not excessively grow and have flourishing root system; the ecological environment of the soil can be improved after the seedlings are planted together with the substrate; the soil-borne pathogens can be effectively prevented and the output of melon products is improved.

The invention discloses an insulated fireproof coating for optical cables. The insulated fireproof coating comprises, by weight, solvent oil No.200, ethylene glycol, silicate, glass powder, calcium carbonate, polytetrafluoroethylene powder, epoxy resin, porcellanite, aluminum oxide, silicon nitride, antimony trioxide, mica powder, silicon carbide, maleic anhydride, silicone rubber, vermiculite, titanium dioxide, melamine, pentaerythritol, mineral fibers, powdery polyvinyl chloride, boride and an auxiliary agent, wherein the auxiliary agent refers to a leveling agent or defoaming agent. The insulated fireproof coating for the optical cables has the advantages that the coating is excellent in fireproof, insulated and flame-retardant performance and highly resistant to high temperature; when the coating expands after being heated, a compact uniform fireproof heat-insulated layer is formed; the coating has excellent physical and chemical properties and is quick to dry, resistant to damp, acid, base and water and remarkable in fireproof and heat-insulated effect, so that safety of electric wires and cables can be guaranteed effectively.

The invention discloses a preparation method of an anti-mildew agent for feeds, and belongs to the technical field of feed additives. The preparation method of the anti-mildew agent for feeds comprises the following steps of ball-milling vermiculite, water and betaine so as to obtain a ball-milled material; performing ultrasonic oscillation on the ball-milled material, a hydrochloric acid solutionand cysteine sulfonate, and carrying out freeze-drying so as to obtain a dried material; carrying out fermentation by using distilled water, the dried material, glucose, a yeast extract, edible maggot, fungus powder, disodium hydrogen phosphate and sodium dihydrogen phosphate, and carrying out drying, crushing and sieving so as to obtain sieved granules; putting acetone, ethanol, the sieved granules, diacylglycerol and an additive into a reactor, discharging gas by using trimethylamine, adding an catalyst, carrying out heated stirring, carrying out cooling to room temperature, and carrying out standing; after standing, discharging materials, carrying out filtration, conducting washing by using petroleum ether, diethyl ether, acetone and ethanol, and carrying out drying so as to obtain a dried material; grinding the dried material, a nutrient supplement agent and sodium humate, and collecting the ground material so as obtain the anti-mildew agent for feeds. The anti-mildew agent for feeds solves the problems of the existing anti-mildew agents for feeds, namely liable causing of anorexia and refusal to eat, and slow growth caused by reduced feed intake caused by abdominal fullness of livestock after eating the existing anti-mildew agents for feeds.

The invention discloses a metal surface cleaning agent based on a firmiana simplex bark extract and a preparation method thereof. The preparation method comprises the following steps: 1) firmiana simplex bark, nanometer bamboo charcoal ash and an organic solvent are mixed and thermally treated, and are filtered to take filtrate; and 2) the filtrate, quaternary ammonium salt, terpilenol, nanometer expanded vermiculite, sodium diacetate, ethylenediaminetetraacetic acid, sodium copper chlorophyllin, sodium dodecyl benzene sulfonate, glycerol, sulfadiazine, pyrrolidone, tripropylene glycol butyl ether and ethanol are mixed to prepare the metal surface cleaning agent based on the firmiana simplex bark extract. The metal surface cleaning agent, prepared by the method, is excellent in cleaning effect.

The invention provides a flame-retardant ethylene propylene diene monomer, and relates to the technical field of high molecular materials. The flame-retardant ethylene propylene diene monomer is prepared from the following composition raw materials: 80 to 100 parts of ethylene propylene diene monomers, 20 to 25 parts of aluminum silicate fiber cotton, 23 to 28 parts of ore slag fiber cotton, 12 to 18 parts of sepiolite fiber cotton, 3 to 7 parts of vermiculite, 14 to 19 parts of expanded perlite, 8 to 13 parts of fiber cement boards, 3 to 8 parts of fiber enhanced calcium silicate boards, 5 to 12 parts of pentaerythrite oleate, 4 to 8 parts of abietic resin, 5 to 9 parts of boric acid, 11 to 15 parts of coronene, 6 to 10 parts of rhodium, 11 to 13 parts of asphalt coal tar, 9 to 16 parts of plasticizers and 17 to 22 parts of light stabilizers. The flame-retardant ethylene propylene diene monomer has the beneficial effects that the price of the raw materials is cheap; the manufacturing process is simple; the flame retardant effect of the prepared ethylene propylene diene monomer is good; no harm is caused on human bodies in the production process.

The invention discloses preparation of a nanoscale vermiculite dispersion liquid and application of the nanoscale vermiculite dispersion liquid in a foam extinguishing agent. The preparation method of the vermiculite dispersion liquid comprises the following steps: carrying out quaternary ammonium salt cation exchange on vermiculite, washing with water, filtering to remove haloid, adding a dispersing agent, and sanding in a sand mill to obtain the nano vermiculite dispersion liquid with the average particle size of 100 nanometers. The nano vermiculite dispersion liquid is applied to the foam extinguishing agent, does not contain a fluorocarbon surfactant, enhances the toughness of foam, and has the characteristics of high extinguishing speed, high burning resistance, environment friendliness, no pollution, low cost and the like. The preparation method is simple, is applied to a foam extinguishing agent without a fluorocarbon surfactant, mainly improves the burning resistance of the foam extinguishing agent, achieves stable foam, and has the characteristics of high fire extinguishing speed, strong burning resistance, environmental friendliness, low cost and the like.

The invention discloses a portable exothermic agent which is prepared from the following raw materials in parts by weight: 4-6 parts of expanded vermiculite powder, 3-4 parts of water, 10-12 parts ofactivated carbon, 73.9-89.9 parts of iron powder, 1 part of table salt and 1-5 parts of ionic liquid. In addition, the invention also provides a preparation method of the portable exothermic agent, which comprises the following steps: 1) mixing water, table salt and ionic liquid to form a mixed solution; and 2) adding expanded vermiculite powder, activated carbon and iron powder into the mixed solution, and uniformly mixing all the components to obtain the heat generating agent. The components of the heat generating agent provided by the invention contain less water, so that the heat generating temperature can reach 91 DEG C, and the heat generating time can reach more than 30 minutes.

The invention relates to the technical field of plant cultivation, and provides a preparation method of a water-retaining light-weight low-cost nutrient medium suitable for vertical greening. The vertical greening medium provided by the invention comprises the following raw materials in parts by weight: 30-50 parts of thoroughly decomposed organic waste, 30-50 parts of turf, 10-20 parts of perliteand 10-20 parts of vermiculite. The cultivation medium can enable a plant to quickly form dense roots so as to beautify an indoor space. The preparation method provided by the invention comprises thestep of sufficiently mixing the affiliated organic waste, the turf, the perlite and the vermiculite. The preparation method is simple in technology and strong in operability and is beneficial to industrial production.

The invention relates to a sintering bonding agent for treatment of TNT red water polluted soil and a preparation method of the sintering bonding agent and belongs to the field of environmental protection. The sintering bonding agent for treatment of TNT red water polluted soil is prepared from perlite (or vermiculite), fly ash and diatomite and particularly prepared from, in percentage by mass, 55%-60% of perlite, 35%-40% of fly ash and 3%-8% of diatomite (or 50%-55% of vermiculite, 40%-45% of fly ash and 3%-8% of diatomite). The sintering bonding agent is applied to treatment of the TNT redwater polluted soil and can reduce energy consumption for sintering of sintered bricks, and sintering flue gas pollutants are discharged to the standard; particular pollutant, namely, sodium dinitrotoluene sulfonate, in soil is thoroughly decomposed and is not left in the sintered bricks; the strength of the sintered bricks meets the national standard of sintered clay bricks and is improved to some extent.