40results about How to "Particle smooth" patented technology

The invention discloses a large-granule sustained-release ammonium chloride fertilizer, a preparation method thereof and a special granulating sustained-release material. The special granulating sustained-release material comprises urea, aldehyde, modifiers, acidoid, alkaline matters and water, the mole ratio of the urea to the aldehyde is 1-5:1, the mass of the modifiers accounts for 0-30% of that of the urea, the acidoid and the alkaline matters are used for regulating the system pH (potential of hydrogen) value, and the mass of the water is 2-5 times of that of the urea. The large-granule sustained-release ammonium chloride fertilizer is prepared by using commercial ammonium chloride powder as a basal fertilizer and agglomerating, bonding and granulating the granulating sustained-release material. The special granulating sustained-release material has excellent fluidity and stability, has no corrosion to equipment, and is high in granulation balling rate, mellow and smooth in granule and high in granule strength. Besides, the large-granule sustained-release ammonium chloride fertilizer is simple in production process, can be achieved by a normal disc or a drum, low in cost, high in yield and convenient for popularization and application.

The invention discloses a tower-granulated low-nitrogen high-phosphorus urine sulfur radical compound fertilizer and a preparation method thereof, belonging to a fertilizer mixture. The compound fertilizer is characterized by being prepared from the following raw materials in parts by mass: 34-35 parts of urea, 32-33 parts of monoammonium phosphate, 32-33 parts of potassium sulfate and 1-1.5 parts of viscosity reducer, wherein the viscosity reducer is modified lignosulfonate. The invention provides a tower-granulated low-nitrogen high-phosphorus urine sulfur radical compound fertilizer which can meet the nutrition requirements on nitrogen, phosphorus, potassium and sulfur for crop growth and ensures that the product particles are uniform, smooth, mellow and full, small contraction cavities are formed, natural anti-counterfeiting function is realized, caking of the product is prevented, the compressive strength is relatively high and mechanical fertilizing is convenient to carry out; moreover, the invention also provides a preparation method which has advantages of high technical adaptability, high compatibility, energy conservation, small investment and relatively low production cost. The compound fertilizer disclosed by the invention is applicable to various crops such as rice, cotton, corn, peanut, soybean, wheat, rape and the like as well as medium and high-grade cash cropssuch as vegetable, fruit trees, forest trees, flowers, tea and the like. The content of N is less than 20% by weight, and the content of P2O5 is more than or equal to 15% by weight.

The invention relates to a method for preparing a high-tower loss controlled compound fertilizer, and belongs to the technical field of fertilizer. The method comprises the following steps: adding heated monoammonium phosphate or calcium hydrophosphate, potassium chloride or potassium sulphate, powder stuffing into urea melt, and adding loss control agent KS-3 of fertilizer nutrient into the mixture at the same time, fully mixing the additives and the urea melt, quickly compounding each raw material under the action of mechanical stirring at melt temperature of urea into low-temperature mutual melt with certain flow properties, then granulating the mutual melt by adopting a process of spray granulation, and cooling and solidifying spray drops when falling in a granulation tower to pass through rising air flow to form the compound fertilizer with function of controlling loss of the fertilizer nutrient. The method has the advantages of easy process reform, and convenient operation.

The invention discloses a method for producing organic-inorganic compound fertilizer by using mycelium, which includes the following steps: selecting mycelium and protein slag in the solid waste generated from microbial fermentation, wherein, the mycelium occupies 60 percent of the total weight of the two; drying and dehydrating the two after mixing the two and then being crumbled into power; selecting inorganic fertilizers which are one or a plurality of combinations of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and / or medium and minim nutritive element fertilizer; selecting itaconic acid production tail washings as granulating substance; and mixing and evenly mixing the mixture obtained from the steps, spraying granulation to obtain compound fertilizer particulate matters. The method for preparing organic-inorganic compound fertilizer has the advantages of little invest, low energy consumption, quick returns and the like, and also has social and economical value of reducing pollution, protecting environment, saving energy and the like.

The present invention relates to boiler feed water treating technology, and is especially water treating method for directly air cooled steam drum boiler. Under the reductive condition, the condensed water from the condensing water tank is added with ammonia before entering the boiler directly under the condition of closing the oxygen discharging door of deaerator and the water hydrogen conductivity is controlled below 0.2microS / cm. In case of poor water quality, the oxygen discharging door is opened to convert into reductive mode. The present invention alters the traditional concept that dissolved oxygen will result in corrosion, and has double compact oxide film formed on surface of metal to inhibit the flow corrosion in thermal system, fine treatment of condensed water for long running time, no use of carcinogenic hydrazine and lowered ammonia adding amount for environment protection and health, and raised equipment utilization.

An ink jet recording apparatus includes a first line head that ejects a polymerizable ink containing an active energy radiation-polymerizable compound but substantially not containing a coloring agent onto a recording medium to form an undercoat layer, a second line head that ejects a glittering ink onto the undercoat layer to form a glittering image, a third line head that ejects a coloring ink to form a color image, a transport mechanism that transports the recording medium, an irradiation portion that irradiates the undercoat layer with active energy radiation, and a heating portion that dries the glittering ink. The first line head is disposed upstream from the second line head in the recording medium moving direction, and the third line head is disposed downstream from the second line head in the recording medium moving direction.

The invention belongs to the technical field of compound fertilizer production, and relates to an ammoniation method to process weathered coal to produce potassium sulfate type compound fertilizer and a manufacturing method thereof. It is formed by adding powdered weathered coal to the traditional ammoniated granulation potassium sulfate compound fertilizer production and activated by ammonia and acid. The product of the invention has reasonable compatibility and balanced nutrients, and has the functions of improving soil, stimulating the development of plant roots and improving fertilizer utilization rate, and is a new type of sulfur-based compound fertilizer rich in organic matter and various nutrient elements.

The invention relates to a granulation method of anhydrous sodium which uses a solution containing 10wt percent-25wt percent of Na2SO4 as a caking agent. Phi1 mm to Phi 5 mm spherical anhydrous sodium grains can be obtained by granulating, drying, screening, and packing anhydrous sodium sulfate in a round-plate granulator. The content of the Na2SO4 in the product is more than or equal to 98.0 percent, and the stiffness of the product is more than and equal to 10 N / cm <2>. The product does not contain impurities brought in by other caking agents, and has the advantages of smooth and even grain, and high stiffness and purity.

The invention discloses a method of making magnesium sulfate mono-hydrate with clear water. The invention comprises the steps as follows: utilizing clear water as the cementing agent; feeding the magnesium sulfate mono-hydrate in a disc granulating machine to finish granulating, drying and screening and producing ball particle with outer diameter of 1mm to 5mm after packing, wherein, the MgO is larger than or equal to 25.0 percent, the hardness is larger than or equal to 10N / cm2. The product does not contain the impurities bringing from other cementing agent and has the advantages of smooth and even particle except high purity.

The invention relates to a bitter taste masking method for a cefuroxime axetil medicine. The bitter taste masking method comprises the following steps: preparing bitter taste masking microspheres fromcefuroxime axetil, heating and melting the cefuroxime axetil with auxiliary materials, and carrying out freeze spraying. Compared with granules made through common wet-method pelletizing or hot-melting extrusion pelletizing, the obtained microspheres are smaller in particle size. Because of the small particle size, the obtained microspheres are small in dissolution amount in water within a shorttime, good in bitter taste masking effect, small in particle size, smooth in particle, free of gravel feeling when being orally taken, convenient to swallow and easily acceptable by patients. The production process is also relatively simple and convenient to produce.

The invention belongs to the technical field of feed processing, and particularly relates to a rabbit granulated feed and a preparation method and application thereof. The rabbit granulated feed comprises the following raw material components in mass percent: 30-34 percent of tawny fig twigs, fruits and leaf meal, 10-12 percent of sweet potato rattan flour, 16-20 percent of corn flour, 16-20.5 percent of wheat bran, 16.5-18.5 percent of bean pulp, 2-3 percent of bone meal, and 1.5-2.5 percent of salt. The preparation method of the rabbit granulated feed comprises the following steps of (1) mixing the raw materials; (2) preparing granules. According to the rabbit granulated feed, the granules are smooth and solid without being dried, rabbits can eat the feed conveniently, the feed waste is reduced, the nutrition is balanced, the meat rabbits can grow fast, the meat quality is delicious with pure wild flavor and without odor, the production technology equipment is simple, the operation is simple and convenient, the cost is low, the raw materials are easy to get, and favorable social benefit and economic benefit are realized.

The invention provides a urea-containing formaldehyde slow-release insecticide-fertilizer and a preparation method thereof. The fertilizer consists of the following raw materials: composite fertilizer, humic acid, citric acid, urea formaldehyde, chlorpyrifos and clothianidin. A preparation methods is as below: adding humic acid, citric acid and urea formaldehyde into a reaction kettle, and adding water to react, so as to obtain a urea-formaldehyde slow-release solution; adding chlorpyrifos and clothianidin into the urea formaldehyde slow-release solution, stirring and mixing evenly to obtain a urea formaldehyde pesticide mixed solution; adding a composite fertilizer feedstock into a granulator, conducting spray granulation by using the urea formaldehyde pesticide mixed solution obtained in step 1.2, so as to prepare a slow-release insecticide-fertilizer containing urea formaldehyde. The invention has the advantages of extending fertilizer period, improving utilization rate, achieving one time fertilization in agriculture, eliminating the step of dressing; and the invention also saves fertilizer and resources and reduces environmental pollution.

The invention discloses a citric acid soluble granular fertilizer and a preparation process thereof, and belongs to the technical field of agricultural fertilizers. The granular fertilizer is mainly prepared by mixing and processing a disintegrating material and a powdery citric acid soluble fertilizer according to the weight ratio of (5-25): (75-95); wherein the disintegrating material is formedby mixing an inorganic disintegrating material and an organic disintegrating material, the inorganic disintegrating material is a mixture of magnesium sulfate and ammonium sulfate, and the organic disintegrating material is a mixture of an amino acid fermentation product, paper pulp and sodium dodecyl sulfate. The citric acid soluble granular fertilizer can avoid environment pollution and nutrientloss caused by a situation that a powdery citric acid soluble fertilizer drifts away along with wind during application, mechanical fertilization is facilitated, the production efficiency is improved, the labor cost is reduced, nutrient elements required by plant growth are supplemented, the crop yield is increased, the quality of agricultural products is improved, and the disclosed citric acid soluble fertilizer is suitable for popularization and application.

The invention discloses a preparation method of an L-shaped precast terrazzo decoration hanging board. The method comprises the following steps of 1, preparing raw materials; 2, cleaning and placing amold; 3, pouring concrete at the plane portion; 4, casting corner portions; 5, performing surface finishing, drawing and repairing; 6, performing polishing, and performing protective agent coating. By adopting the rock filling technology, after reinforce cages at the corners are filled with black and white yonaishi, irrigation is performed; during polishing, the density of the black and white yonaishi is basically equivalent to the bottom face of the terrazzo decoration hanging board, little slurry is adopted, the polished depth is basically the same as that of the bottom face of the decoration hanging board, and the technical problems that in the traditional technology, little stone exists at the side faces of the corners of existing L-shaped precast terrazzo decoration hanging boards, and the polishing depth is large are solved.

The invention relates to a fine specific gravity separation process for corn grits. The fine specific gravity separation process for the corn grits includes the steps of selection of raw materials, pre-treatment, warehousing, primary cleaning, primary magnetic separation, secondary cleaning, crushing and germ extraction, grinding and sieving, induced draft separation, secondary magnetic separation, cyclone separation, examination sieving, weighing and packaging, package acceptance check and warehousing. The whole process is simple in procedure design and low in cost, impurities can be well separated out more thoroughly, and the completeness of germs is not damaged. The obtained corn grits are more uniform and free of powder or impurities or other foreign matter, and particles are smoother.

The invention belongs to the field of luminescent materials, and relates to an electron beam excited red phosphor. The chemical expression formula of the phosphor is (Sn1-a-bMaEub)O2, wherein a is more than 0 and less than 0.25, and b is more than 0 and less than 0.10; and M is one or more of Sb, Al, Zn and In. A preparation method of the red phosphor comprises the following steps: preparing a cation hydroxide precursor through adopting an alkaline solution precipitation technology, calcining the precursor in atmosphere, and post-processing the calcined precursor to obtain the red phosphor. The red phosphor can be effectively excited under the irradiation of electron beams, and has the advantages of high brightness, good color, low turn-on voltage, smooth phosphor particles, uniform granularity distribution, simple preparation method, low production cost, and realization of large-batch production, is mainly used in color field emission displays, and also can be used in other electron beam excited displaying and illuminating devices.

The invention discloses a preparation method of nano porcelain-like sand grains. The nano porcelain-like sand grains are prepared from light calcium powder, plant cellulose, negative ion powder, edible gum, food colouring, dicalcium silicate, tricalcium aluminate and pearl powder in proportion. According to the preparation method of nano porcelain-like sand grains provided by the invention, pure natural inorganic powder and plant extract are polymerized and then fired to obtain the product, SGS detection indicates that the nano porcelain-like sand grains have no pollution or radioactivity, donot contain formaldehyde or other harmful substances, the grains are uniform, smooth, clean and free of fine sand, are healthy, environment-friendly, high strength, flame retardant, safe and environment-friendly sand grains, also carry negative ions in themselves, can effectively inhibit the breeding of bacteria, have the advantages of washability, great color variety, flame retardance, smooth surface, high hardness, health and environmental protection, sterilization function in themselves, provide children with a safer, healthier, more environmentally friendly, and also recyclable entertainment environment, and bring better application prospects.

The invention discloses an organic inorganic compound fertilizer in order to solve the technical problems of low pelleting rate and odor of the present organic inorganic compound fertilizer. The organic inorganic compound fertilizer comprises the following components in parts by weight: 20-27 parts of nitrogen fertilizer, 9-10 parts of phosphor nitrogen compound fertilizer, 5-8 parts of potash fertilizer, 22-25 parts of fermented fowl manure, 15-25 parts of cabo powder and 8.5-10 parts of bentonite. The auxiliary materials for promoting fertilizer effect and the deodorizing anti-bacteria materials are added into the fertilizer; the caking property of the fertilizer is excellent; the fertilizer can be conveniently pelleted; the soil environment can be modified.

The invention relates to a granulation method of monohydrate magnesium sulfate. The granulation method is that solution with 10wt percent-25wt percent of MgSO4 is taken as an adhesive; the monohydrate magnesium sulfate is granulated in a pan granulator, dried, screened and packaged to form Phi1mm -Phi5mm spherical granular monohydrate magnesium sulfate, the content of MgO of the product is equal to or more than 25 percent, the hardness is equal to or more than 15N / cm<2>. The spherical granular monohydrate magnesium sulfate does not contain impurities brought by other adhesives, and the granule has the advantages of smoothness, uniformity, high hardness, high purity, etc.

The invention belongs to the technical field of powder metallurgy and particularly relates to superfine titanium powder and a preparation method thereof. The superfine titanium powder and the preparation method thereof aim at achieving the technical effect that the grain size of the titanium powder can be appropriate. The preparation method comprises the following steps that titanium tetrachlorideand plasma are in full contact for 30-120 minutes in a plasma electric furnace; and rapid cooling is conducted to reach the room temperature, so that the superfine titanium powder is obtained. The purity of the superfine titanium powder prepared through the method ranges from 99.9% to 99.99%, and the grain size ranges from 10 microns to 2000 microns. The method is easy to control; a target product can be obtained through a one-step reaction; and energy consumption is saved, the cost is lowered, and the quite good development prospect is achieved.

The invention relates to a fine specific gravity separation process for corn grits. The fine specific gravity separation process for the corn grits includes the steps of selection of raw materials, pre-treatment, warehousing, primary cleaning, primary magnetic separation, secondary cleaning, crushing and germ extraction, grinding and sieving, induced draft separation, secondary magnetic separation, cyclone separation, examination sieving, weighing and packaging, package acceptance check and warehousing. The whole process is simple in procedure design and low in cost, impurities can be well separated out more thoroughly, and the completeness of germs is not damaged. The obtained corn grits are more uniform and free of powder or impurities or other foreign matter, and particles are smoother.

The invention relates to a granulation method of monohydrate magnesium sulfate. The granulation method is that solution with 10wt percent-25wt percent of MgSO4 is taken as an adhesive; the monohydrate magnesium sulfate is granulated in a pan granulator, dried, screened and packaged to form Phi1mm -Phi5mm spherical granular monohydrate magnesium sulfate, the content of MgO of the product is equal to or more than 25 percent, the hardness is equal to or more than 15N / cm<2>. The spherical granular monohydrate magnesium sulfate does not contain impurities brought by other adhesives, and the granule has the advantages of smoothness, uniformity, high hardness, high purity, etc.

The invention discloses a method for producing organic-inorganic compound fertilizer by using mycelium, which includes the following steps: selecting mycelium and protein slag in the solid waste generated from microbial fermentation, wherein, the mycelium occupies 60 percent of the total weight of the two; drying and dehydrating the two after mixing the two and then being crumbled into power; selecting inorganic fertilizers which are one or a plurality of combinations of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and / or medium and minim nutritive element fertilizer; selecting itaconic acid production tail washings as granulating substance; and mixing and evenly mixing the mixture obtained from the steps, spraying granulation to obtain compound fertilizer particulate matters. The method for preparing organic-inorganic compound fertilizer has the advantages of little invest, low energy consumption, quick returns and the like, and also has social and economical valueof reducing pollution, protecting environment, saving energy and the like.

The invention relates to a preparation method of azithromycin taste-masking microspheres. After azithromycin and an auxiliary material are heated and melted, then melt is frozen and atomized, the grain sizes of the obtained microspheres are smaller than the grain sizes of microspheres obtained by common wet granulation or hot melting extrusion and granulation, less prepared microspheres are dissolved in water within a short time, the taste-masking effect is good, moreover, because the grain size is small and the particles are smooth, a patient does not have sandy feeling when orally taking theazithromycin taste-masking microspheres, oral taking is facilitated, the patient easily receives the azithromycin taste-masking microspheres, moreover, the production process is simple, and production is facilitated.

The invention belongs to the technical field of powder metallurgy, and in particular relates to ultrafine titanium powder and a preparation method thereof. The technical problem to be solved by the invention is to prepare titanium powder with a suitable particle size, and the invention provides ultrafine titanium powder and a preparation method thereof. The preparation method comprises the following steps: fully contacting titanium tetrachloride and plasma in a plasma electric furnace for 30-120 minutes, rapidly cooling to room temperature, and obtaining superfine titanium powder. The ultrafine titanium powder prepared by the method of the invention has a purity of 99.9-99.99% and a particle diameter of 10-2000 microns. The method of the invention is easy to control, and the target product can be obtained by one-step reaction, which saves energy consumption and reduces the cost, and has great development prospects.

The invention discloses a Pu'er tea crystal and a preparation method thereof. The Pu'er tea crystal and the preparation method thereof are used for solving problems of the transformation of Pu'er teaproducts and technique improving. The technical proposal is to use existing Pu'er tea, or black tea, or green tea as raw materials to obtain Pu'er tea crystal products after steaming, sterilizing, vacuum drying at low temperature, smashing, boiling, granulating, drying and grading. The Pu'er tea crystal and the preparation method thereof can be used for preparing Pu'er tea crystal products, appearances of the Pu'er tea crystal products are black in color, granules are smooth and uniform, inner liquid color is red, bright and rich, fragrance is unique, taste is mellow and sweet, a new product for the development and utilization of the Pu'er tea is provided, and people's demands for pollution-free, healthy and high-quality Pu'er tea are satisfied.

The invention relates to a production process of corn grits, which includes selecting raw materials, pretreatment, warehousing and storage, primary cleaning, primary magnetic separation, secondary cleaning, crushing and extracting embryos, sieving, secondary magnetic separation, inspection sieve, measurement Packaging and warehousing, the entire process design is simple, low cost, can separate the impurities well, and will not damage the integrity of the germ, the obtained corn grits can be relatively uniform, the particles are relatively smooth, free of impurities, etc. foreign body.

The invention discloses a pressure-sensitive chemical plugging agent for channeling and leakage sealing. Oxide, 0.2%~0.4% wood calcium, 1.2%~1.8% algae chert, 1.4%~1.8% fiber, 1.5%~2.7% micro expansion agent. The pressure-sensitive chemical plugging agent for channeling and leakage of the present invention has been proved by experiments that the thickening time is 5-8 hours, the linear expansion rate is 0.07%, the temperature resistance is above 120°C, the compressive strength of the solidified body is above 29MPa, and the plugging rate reaches 99.9%, its thixotropy, temperature resistance, compression resistance, retention and non-shrinkage are good, with controllable initial setting time, rapid plugging of leakage points, compact structure of consolidated body without shrinkage, and high plugging strength Advantage.

The invention provides a production method of granular anhydrous manganese chloride, which comprises chemical material, impurity removal, filtration, and concentrated manganese chloride concentrated solution with a concentration of 45-52oBé, which is sprayed into a drying granulator at a set temperature Inside, carry out granulation and drying; then sieve the manganese chloride particles after granulation, and feed the larger manganese chloride particles into the disc vacuum dryer at a uniform speed for vacuum drying after sieving; finally, the manganese chloride particles Vacuum space wall cooling, and sealed packaging. Among them, the method of granulation drying is to heat the granulation dryer, and then add a small amount of manganese chloride concentrate to form tiny crystals of manganese chloride, then spray the manganese chloride concentrate, under the action of kneading and turning, Manganese chloride crystals grow up to form dense manganese chloride particles, and at the same time, new tiny crystals of manganese chloride are formed. It has the advantages of simple process, convenient operation, energy saving and environmental protection, stable product quality, high activity and long warranty period.