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 discloses a surface treatment method for antiknocking and modifying granulated fertilizer containing ammonium nitrate. In the method, firstly, fused ammonium nitrate is granulated by a tower top to obtain the granulated fertilizer containing the ammonium nitrate, then the surface of the granulated fertilizer is coated with a liquid binding agent, and finally, the granulated fertilizer is coated and enwrapped with solid powder consisting of firming agent and powdering agent, so that the surface treatment for antiknocking and modifying the granulated fertilizer containing the ammonium nitrate is finished. Under the interaction of the binding agent, the firming agent and the powdering agent, the invention improves the antiknock performance of agricultural ammonium nitrate greatly to achieve the requirement of the standard of WJ-9050-2006 agricultural ammonium nitrate antiknock performance test method and judgement. The granulated fertilizer containing the ammonium nitrate is subject to the antiknocking and modifying surface treatment after the fused ammonium nitrate is granulated, thereby causing no influence on the matured ammonium nitrate granulating technology, not reducing the production capacity of an ammonium nitrate prilling tower and causing no potential safety hazard.

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 microemulsion type water-soluble fertilizer anti-blocking agent and a preparation method thereof. The anti-blocking agent comprises the raw materials of a surfactant and anti-blocking oil, wherein the surfactant comprises one or a plurality of anionic surfactant, nonionic surfactant and zwitterionic surfactant; the HLB of the surfactant is 7-14; the anti-blocking oil comprises one or a plurality of vegetable oil, modified vegetable oil, vegetable wax and aliphatic ester. The preparation method of the anti-blocking agent comprises the step of preparing basic anti-blocking oil and the step of preparing an anti-blocking agent. The prepared microemulsion type water-soluble fertilizer anti-blocking agent is good in anti-blocking effect; after a water-soluble fertilizerwrapped with the prepared microemulsion type water-soluble fertilizer anti-blocking agent is dissolved in water, the microemulsion type water-soluble fertilizer anti-blocking agent can be completelydissolved in water together with the water-soluble fertilizer; floating oil and precipitate are avoided; the solution is uniform in phase and is smoothly and uniformly sprayed during use; pollution precipitating in a farmland is avoided; and the soil and the soil texture cannot be damaged.

The invention discloses an automatic adding system for an anti-blocking agent for a compound fertilizer, wherein an oil storage tank is connected to a heating tank through a transfer pipeline, the bottom part of the heating tank is provided with an oil weighing sensor, the lower part of the heating tank is communicated with a hopper of a conveyer through an oil transfer pipe, a metering pump is arranged on the oil transfer pipe, the metering pump is driven by a variable frequency motor, the outlet of the conveyer is arranged in an enveloping machine, the conveyer is driven by the variable frequency motor, a fertilizer metering conveyer belt is provided with a fertilizer weighing sensor, a fertilizer conveying tank is arranged below an outlet end of the fertilizer metering conveyer belt, an outlet of the fertilizer conveying tank is arranged in the enveloping machine, and a PLC (programmable logic controller) is electrically connected with a touch screen; the fertilizer weighing sensor, the oil weighing sensor, the metering pump variable frequency motor and the conveyer variable frequency motor are electrically connected to the PLC, respectively. The automatic adding system is simple in structure and convenient to operate, the added amount of the anti-blocking agent is exact, the labor intensity of the workers is reduced, the production cost is reduced, and the anti-blocking property of the compound fertilizer is effectively improved.

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 relates to a sodium percarbonate anti-caking agent composite, which is characterized by being composed of a dispersing agent, a penetrating agent and a water repellent. Mass percent of the dispersing agent, the penetrating agent and the water repellent is 45-70: 20-40:5-15. The invention further provides application of the composite in preparation of anti-caking sodium percarbonate. The sodium percarbonate anti-caking agent composite is small in dosage, low in production cost and good in anti-caking effect. Addition of an anti-caking agent does not influence stability and various operating requirements of sodium percarbonate, and the sodium percarbonate anti-caking agent composite has assistant washing functions, and is nonhazardous to environment and suitable for industrial production.

The invention discloses a device for solving powder material coking arch. The device comprises a material bin, shaking devices and a driving motor, wherein the bottom end of the material bin is provided with a material outlet, the shaking devices are arranged on the edge sides of the material bin, the top of the material bin is provided with device plates horizontally distributed, the inner wall of the top end of the material bin is provided with horizontal plates horizontally distributed in a welded manner, the driving motor is installed on the upper end faces of the device plates and connected with a rotating shaft, round plates connected with the rotating shaft are arranged above the device plates, and every two adjacent round plates are connected through horizontal rods. According to the device for solving the powder material coking arch, by means of redesign on the top structure of an existing material bin, arch breaking operations on middle-lower portion materials inside the material bin are facilitated, by means of use of the shaking devices and related structures, the use of a traditional fluidization device is replaced, the bottom arch breaking effect of the material bin can be made to be better, and meanwhile, the material unloading process is made to be more unobstructed.

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 discloses a flour storage system for a food processing factory, and relates to the technical field of flour storage. The flour storage system comprises a storage chamber, a storage mechanism is arranged inside the storage chamber, an air purification mechanism is arranged on one side of the storage chamber, the storage mechanism comprises a storage tank arranged inside the storage chamber, a spiral installing cavity is formed in the inner wall of the storage tank, and a spiral heating wire is fixedly installed inside the spiral installing cavity. According to the flour storage system, by means of the arranged air purification mechanism, after the storage tank is dried, a valve body can be opened, so that air continuously enters an annular cavity in an outer sleeve layer, rapid cooling treatment of the storage tank is achieved, flour can be rapidly stored after drying is facilitated, meanwhile, when the air purification mechanism normally operates, the valve body is closed, the air in the storage chamber is sent to the outside through an air exhaust ring pipe and an exhaust cylinder, air exchange in the storage chamber is achieved, and the cleanliness of the air in the storage chamber is guaranteed.

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 relates to the technical field of fertilizer and especially relates to a preparation method of a compound fertilizer anti-caking agent. Polyglutamic acid is taken as the basic material,because polyglutamic acid has an excellent water absorbing performance, dryness in fertilizer can be maintained effectively; at the same time, polyglutamic acid has an excellent film forming performance and is capable of forming a protective film on the fertilizer surface; then dimethyl formamide and toluene diisocyanate are used to modify polyglutamic acid so as to enhance the waterproof performance, at the same time, amido groups are introduced into polyglutamic acid so as to prevent / interfere the formation of a hydrogen bond net like structure, thus the anti-caking effect is enhanced; a supplement is combined with modified polyglutamic acid under the action of a catalyst, silicon-oxygen bonds are introduced into polyglutamic acid, the water absorbing performance is reduced, the combination degree among fertilizer is improved, at the same time, potassium ions are introduced to form same charges on the surface of the anti-caking agent so as to prevent caking; finally modified polyglutamic acid is used to wrap wax and diatomite, the flowing performance is strengthened, and the anti-caking agent does not need to be heated during the filling process.

The invention relates to spraying equipment with an adjusting function, which comprises a vehicle body, a charging barrel and a spraying device and further comprises a stirring mechanism and an adjusting mechanism; the adjusting mechanism comprises a distance sensor, an air cylinder and a cleaning assembly; the stirring mechanism comprises a driving assembly, two power assemblies, two moving plates, two limiting assemblies and a plurality of stirring assemblies; and the stirring assemblies comprise connecting blocks and stirring plates. According to the spraying equipment with the adjusting function provided by the invention, the distance between a spraying gun and a container can be adjusted through the adjusting mechanism, the situation that the spraying pressure is too small due to the fact that the distance between the spraying gun and the container is too large is prevented, and therefore the situation that the spraying thickness cannot reach the specification is avoided, the spraying pressure is too large caused by the fact that the distance between the spraying gun and the container is too small is also prevented, the phenomenon of uneven spraying is avoided, the paint stirring function is achieved through the stirring mechanism, the paint is in a flowing state, the probability of the caking phenomenon is reduced, the phenomenon that the spraying gun is blocked by the caking paint is prevented, and therefore the influence on spraying work is prevented.

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 belongs to the technical field of anti-blocking agents, and particularly relates to a degradable compound fertilizer anti-blocking agent produced through natural grease and a preparationmethod. The degradable compound fertilizer anti-blocking agent is characterized in that a formula includes the following components in parts by weight: 0-30 parts of lacquer tree seed oil, 15-45 parts of castor oil, 0-35 parts of jatropha curcas oil, 5-35 parts of vegetable wax, 0-12 parts of pectin, 3-18 parts of Arabic gum, and 3-8 parts of alkyl glucoside. The raw materials are natural and degradable, environmental pollution is less, environmental friendliness is achieved, and damp and pulverization are prevented.

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 compoundfertilizer 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 relates to a water-soluble ammonium phosphate fertilizer wrapping agent and a preparation method thereof. The water-soluble ammonium phosphate fertilizer wrapping agent comprises the following components in parts by weight: 10-20 parts of plasticized modified polyvinyl alcohol, 10-30 parts of crosslinked starch and 50-80 parts of water, the plasticized modified polyvinyl alcohol is obtained by thermally fusing a plasticizer and polyvinyl alcohol, the crosslinked starch is obtained by carrying out crosslinking reaction on a crosslinking agent and starch under the action of a catalyst, and the plasticized modified polyvinyl alcohol, the crosslinked starch and water are uniformly stirred and mixed to prepare the water-soluble ammonium phosphate fertilizer wrapping agent. The water-soluble wrapping agent is used for wrapping the ammonium phosphate fertilizer, so that the fertilizer is consistent in color inside and outside, free of color difference, high in wrapping capacity, light-proof, sun-proof, temperature-resistant, free of color fading and free of color change, meanwhile, the method is low in use cost and good in anti-caking performance, the fertilizer is coated with the water-soluble wrapping agent, the fertilizer loosening rate reaches 90% or above, the water-soluble wrapping agent can be rapidly biodegraded, and environmental protection is facilitated.

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.