57results about How to "Good anti-caking effect" patented technology

The invention relates to a liquid anti-caking agent for a compound fertilizer, which consists of 1 to 50 weight percent of aqueous polymer, 1 to 50 weight percent of surfactant, and the balance of water. The surfactant is one or combination of any of an anionic surfactant, a non-ionic surfactant, a cationic surfactant and an amphoteric surfactant. Optionally, one ore more additives which are selected from a defoaming agent, a preservative, a dye and a pigment can also be added into the liquid anti-caking agent for the compound fertilizer; and the consumption of the defoaming agent is 0 to 5 weight percent, the consumption of the preservative is 0 to 5 weight percent and the total consumption of the dye and the pigment is 0 to 50 weight percent. The liquid anti-caking agent for the compound fertilizer can effectively solve the caking problem of a compound fertilizer product, particularly the caking problem of a compound fertilizer with high nutrient content such as a high nitrogen compound fertilizer which is difficult to solve by present enterprises producing compound fertilizers, and ensures that the compound fertilizer product has the characteristics of green fertilizers.

The invention discloses a modifier of pitch for road and water-proofing material, which comprises the following steps: allocating with mass percent as 20-30% polypropylene, 3-10% epoxide resin, 8-10% polyethylene, 8-10% geoceric acid and 40-60% ethylene distearamide; mixing; stirring for 10-15 min; getting the product. This product possesses good stability and predominant water resistance, which can be fit for all of asphalt.

The invention relates to an anti-blocking agent of a fertilizer. The anti-blocking agent is prepared from the following components in percentage by weight: 45-85% of natural ore powder, 5-20% of a modifier and 10-50% of modified plastic, wherein the natural ore powder is in a layered structure and has water swellable disintegration capacity, and the modifier is one or a mixture of more of a silane coupling agent, a phosphate coupling agent, a titanate coupling agent, stearic acid and salts thereof, oleamide, high alcohols and C14-C22 alkylamine. The anti-blocking agent of the fertilizer provided by the invention has the characteristics of convenience in addition to use, good anti-blocking effect and no block of the fertilizer stored for over half a year. The anti-blocking agent of the fertilizer is strong in universality and suitable for compound fertilizers such as urea-based, nitryl, chlorine-based and sulfenyl compound fertilizers or similar particle fertilizers.

The invention relates to a process for preparing novel expanded ammonium nitrate explosive, which comprises the following steps: water-phase dissolving and oil-phase melting; mixing two phases; expanding crystallization; realizing uninterrupted discharging through alternately converting vacuum cavities; mixing expanded explosive with a functional additive which is subjected to measurement after a product is dropped into a cool mixed spiral through a feeding bin; dropping a prepared semifinished product of the expanded explosive into a suspension conveyer through a spiral conveying device; and conveying the semifinished product to a filling package workshop by the suspension conveyer for explosive filling to obtain a finished product of the expanded ammonium nitrate explosive through package. The invention is the process for preparing the expanded ammonium nitrate explosive with safety and environmental protection, zero discharge of pollutant, small online explosive amount, high operating safety and high automatic control.

The invention discloses a synergisticanti-caking agent for a macroelement WSF (water-soluble fertilizer). Theanti-caking agent is prepared from raw materials in parts by weight as follows: 50-100 parts of a synergistic component and 0.5-2 parts of an anti-caking component, wherein the synergistic component is selected from one or a mixture of some of polyaspartic acid, polyglutamic acid, brassinolide, glycine betaine, N-acetyl-thioproline, folic acid, sodium naphthalene-1-acetate, 6-benzylaminoamidopurine and tetramethylglutaric acid; theanti-caking component consists of a silicon dioxide series product and a surfactant; the silicon dioxide series product is selected from one or a mixture of some of nanoscale silicon dioxide, gas-phase hydrophilicsilicon dioxide and gas-phase hydrophobicsilicon dioxide. The invention further discloses a preparation method of the synergisticanti-caking agent for the macroelement WSF. The anti-caking agent can prevent the macroelement WSF from caking, contains silicon required by promotion of crop growth and plays a role in increasing the fertilizer efficiency.

The present invention relates to core-shell polymers comprising a shell of a hydrophilic copolymer and a core material in an amount of up to 75-95% by weight. The hydrophilic shell provides better coverage of the core, resulting in better powder properties such as anti-caking properties. The hydrophilic shell can also be made thinner, and a more elastic core can be used. The core-shell polymers of the invention are particularly suitable as impact modifiers for plastics.

The invention discloses a method for improving anti-caking property of phosphorus-potassium nitrate fertilizer and belongs to the technical field of chemical fertilizer preparation. The method comprises the following steps: (1) sieving ammonium nitrate phosphate (ANP) by carrying out a briquetting experiment; (2) sieving the ANP by carrying out a bag throwing experiment; (3) adding granular or powdery ammonium nitrate phosphate according with the steps (1) and (2) at the same time and potassium sulfate or potassium chloride into a rotary drum granulator by virtue of a metering system, so that a solid-phase material is obtained; (4) fully mixing liquid raw materials, namely sulfuric acid, phosphorus pentoxide and liquid ammonia, in a tubular reactor, so that a liquid phase material is obtained, and spraying into the solid material in the step (3), and (5) drying, screening, cooling and packaging, so that a nitryl high-concentration granular compound fertilizer is obtained. The method disclosed by the invention has the characteristics that the raw materials are screened, the ANP with better anti-caking property is selected and used for producing high-nitrogen fertilizer, cost is not increased, equipment does not need to be added during implementation and the original production technology cannot be changed, and the aim of improving the anti-caking property of the compound fertilizer can be achieved by only controlling mass of the ANP.

The invention discloses a production technology of anti-caking sodium chlorate. The production technology comprises the following steps of: (1) performing crystal separation on sodium chlorate electrolyte to obtain sodium chlorate; (2) preparing a saturated sodium chlorate solution from the sodium chlorate obtained in the step (1) for standby application, taking and placing 500ml of the saturated sodium chlorate solution in a beaker, adding 2-5g of a surfactant, performing stirring to enable the surfactant to dissolve in the saturated sodium chlorate solution, then adding 500g of sodium chlorate crystals, performing uniform stirring, and performing standing for ten minutes to obtain a feed liquid; (3) performing vacuum filtration on the feed liquid obtained in the step (2), and placing the obtained sodium chlorate crystals in which the surfactant is adsorbed in a constant-temperature drying oven of 12-15 DEG C for drying; and (4) loading the dried sodium chlorate in a plastic sample bag, and performing sealing. The production technology disclosed by the invention is good in anti-caking effect, small in quantity of reagents, and low in cost.

The invention provides an anticaking agent for alkali metal titanates and a manufacturing method thereof. The anticaking agent is prepared from one or more of a blocker, a moisture-proof agent, a dispersing agent and a surfactant. Applied to the alkali metal titanate powder special for welding rods, the anticaking agent can effectively prevent moisture absorption and hardening, avoid the problem of poor fluidity and dispersibility caused by moisture absorption and hardening, improve the bulk density of the powder, has no negative effect on application of the alkali metal titanates to the welding rods and even has certain auxiliary effect. The anticaking agent has the advantages of conveniently and easily obtained raw materials, simple processing procedures, obvious effect and the like. Two or more components can be mixed to prepare the anticaking agent under the condition of certain temperature.

The invention relates to an anticaking agent special for potassium chlorate. The anticaking agent consists of hydrophilic white carbon black and hydrophobic white carbon black, wherein the weight ratio of the hydrophilic white carbon black to the hydrophobic white carbon black is (1-2) to (1-2). Compared with the prior art, the anticaking agent special for the potassium chlorate has the advantages that: the two types of white carbon black, namely the hydrophilic white carbon black and the hydrophobic white carbon black, are adopted, the hydrophilic white carbon black can absorb water inside apotassium chlorate product and the hydrophobic white carbon black can prevent water outside the potassium chlorate product from entering the potassium chlorate product, so dual anticaking assurance for the potassium chlorate product is realized; and the test shows that an anticaking effect is extremely good and the potassium chlorate product cannot be caked for more than six months.

The invention belongs to the technical field of agricultural chemical fertilizer, and particularly relates to an anti-blocking agent suitable for powder water-soluble fertilizer and a preparation method of the anti-blocking agent. The anti-blocking agent suitable for the powder water-soluble fertilizer comprises, in parts by weight, 500-600 parts of molasses, 200-400 parts of a viscosity reducingagent, 3-10 parts of a separant, 1-5 parts of a defoaming agent and 36-135 parts of water. The problem that molasses can not be directly used as an anti-blocking agent is solved through viscosity reduction and moisture-absorption preventing modification treatment on the molasses with high viscosity and high moisture-absorption. The excellent dispersibility of the molasses is utilized to increase the contact degree with the powder water-soluble fertilizer, universal applicability is achieved, and the anti-blocking performance of the fertilizer can be obviously improved through addition of the anti-blocking agent at an amount of 0.5-2.0% of the weight of the fertilizer; and the raw materials have wide sources, the production process is simple, the production cost is low, and large-scale production and application can be realized easily.

The invention provides a special anti-blocking agent for ammonium sulfate as well as a preparation method and application thereof. The anti-blocking agent is a water-soluble liquid anti-blocking agent, and is concretely prepared from 20 to 50 percent of water, 10 to 30 percent of volatile solvents, 20 to 40 percent of film-forming agents, at most 10 percent of habit modifiers, at most 10 percent of surfactants, at most 10 percent of crystal control agents and at most 3 percent of antifoaming agents. The special anti-blocking agent effectively overcomes the use defect of the oil and tablet anti-blocking agent; the anti-blocking effect is improved; meanwhile, the surface whitening, powdering and mildewing phenomenon of ammonium sulfate fertilizers can be effectively reduced; the preparationprocess is simple; the efficiency is high; the use is convenient; the special anti-blocking agent is suitable for industrialized preparation and is favorable for popularization and application.

The invention discloses a low-density rock expanded AN explosive, which comprises the following raw materials by weight percentage: 90 to 94% of ammonium nitrate, 0.1 to 0.3% of diffusant, 2 to 5% of wood flours, 1 to 2% of perlite, 2 to 5% of oil phase, 0.1 to 0.2% of octadecylamine and 0.1 to 0.2% of eleaostearic acid. The explosive is strong in free-running property, low in density, excellent in explosion performance, simple in preparation process and long in storage period.

The invention discloses a preparation method of an anti-caking agent for fertilizer, belonging to the technical field of chemical fertilizer production. The preparation method comprises the steps of sequentially weighing 30-40 parts by weight of modified paraffin, 20-30 parts of additives, 8-15 parts of humic acid and 5-10 parts of an adhesive; mixing the modified paraffin with the additives in amixer, adding the humic acid and the adhesive into the mixer, stirring and mixing for 50-60min under the conditions that the temperature is 30-40 DEG C and the rotating speed is 280-380r/min, then carrying out vacuum drying to obtain the anti-caking agent for the fertilizer. The anti-caking agent for the fertilizer has excellent anti-caking property.

The invention discloses a feeding mechanism. The feeding mechanism comprises a hopper used for containing powder or granules, and a fixing plate, scrapers and a material blocking plate which are sequentially arranged in the hopper from bottom to top, wherein the fixing plate is used for separating the upper space and the lower space of the hopper, a blanking channel is arranged on the periphery of the material blocking plate, and the part between the fixing plate and the material blocking plate is divided into a plurality of feeding channels by the scrapers; and a blanking hole is formed in an area swept by the scrapers when the scrapers rotate on the fixing plate, and the end part, which is used for receiving materials, of each scraper extends outwards into the area of the blanking channel. According to the invention, the scrapers are used for dividing the part between the fixing plate and the material blocking plate into the plurality of feeding channels, powder falling from the blanking channels can be conveyed into the blanking holes formed in the fixing plate through the feeding channels under the action of the scrapers, and then the powder is thrown out through the blanking holes and the hopper, so that the blanking amount can be controlled by controlling the rotation of the scrapers, and then the blanking precision is accurately controlled.

The invention discloses a preparation method of a high-salt brine salt inhibitor. The preparation method comprises the following steps: uniformly mixing a salt-inhibiting main agent and a salt-inhibiting auxiliary agent, adding a curing agent, curing, and pulverizing to obtain the high-salt brine inhibitor, wherein the salt-inhibiting main agent comprises ferrocyanide, sodium dodecyl benzene sulfonate and a polymer tube lubricating agent, the salt-inhibiting auxiliary agent is biogel, and the curing agent is modified monosaccharide, modified disaccharide or/and modified polysaccharide. The preparation method is simple in process, the prepared product can effectively inhibit salt deposition on the surfaces of devices such as pipelines and pumps in the brine transportation process, in addition, the components are non-toxic and easy to degrade, the harm to the environment of ecological weak areas such as salt lakes is effectively reduced, and the produced product is harmless.

The invention relates to an industrial storage-resistant, anti-caking fine ammonium perchlorate and a preparation method thereof. The preparation method comprises the steps: mixing an anti-caking agent in an ammonium perchlorate crude material, wherein the anti-caking agent is added in an amount of 0.5-2% of the mass of the ammonium perchlorate crude material; pulverizeing the material by a jet mill to obtain the storage-resistant, anti-caking fine ammonium perchlorate, wherein the anti-caking agent is a mixture of nano-oxide, aziridine compounds and ester plasticizers, the ratio of each component is that: the mass of the nano-oxide is 100 parts, the mass of the aziridine compound is 40-80 parts, and the mass of the ester plasticizer is 40-80 parts. The method improves the storage-resistant and anti-caking property of fine ammonium perchlorate.

The invention belongs to the field of agriculture, and particularly relates to a soil conditioner used for controlling soil hardening and a production method thereof. The production method of the soilconditioner used for controlling soil hardening comprises the steps of stirring and mixing pre-treated sodium alginate liquid and gelatin liquid, sequentially adding hydrochloric acid and terephthalaldehyde, after stirring and mixing are conducted, conducting filtering, dicing, washing, vacuum drying, crushing and sieving to obtain a modified accessory, placing (N-guanyl)dodecylacrylamide, polyethylene glycol monolaurate and acetone in a single-necked flask, adding p-dichlorobenzene and ferrocene into the single-necked flask, carrying out reaction with stirring to obtain a modified assistant,mixing chitosan and water, after standing swelling is conducted, conducting heating and stirring for dissolution, and then adding the modified accessory, the modified assistant, pre-treated leaf powder and phospholipid for mixing and ultrasonic treatment to obtain the soil conditioner used for controlling soil hardening. The provided soil conditioner used for controlling soil hardening has excellent anti-blocking performance.