175results about How to "High granulation rate" patented technology

The invention belongs to the field of biofertilizer and relates to a biological organic-inorganic composite fertilizer and a production method thereof. The production method comprises the following steps: mixing a fermented Paenibacillus pabuli bacteria solution accounting for 65wt%-80wt% and a silicate bacteria solution accounting for 20wt%-35wt% to prepare a composite bacteria solution; then directly mixing the composite bacteria solution with organic materials, an inorganic fertilizer and an adhesive to adsorb; and mixing, crushing and screening to prepare the powdery biological organic-inorganic composite fertilizer, or mixing, crushing, granulating, drying and screening to prepare the granular biological organic-inorganic composite fertilizer. By adopting the method, the equipment investment and the equipment maintenance cost can be reduced, the labor and the labor intensity can be reduced, the transportation cost can be reduced and the production cost can be reduced; and the count of effectively live bacteria of single bacterium in the biofertilizer is above one million per gram and the count of total live bacteria is above 20 million per gram.

The invention relates to a poly-gamma-glutamic acid synergistic fertilizer for strengthening fertilizer effect, which belongs to the fertilizer field. The invention comprises graininess fertilizer which comprises the poly-gamma-glutamic acid. The contents of the poly-gamma-glutamic acid and fertilizer in weight are as follows: 0.01 to 1 percent of the poly-gamma-glutamic acid and the remained content is fertilizer. The contents of poly-gamma-glutamic acid of the invention are strictly controlled and the poly-gamma-glutamic acid can be conveniently fertilized. The poly-gamma-glutamic acid is combined with to make full use of the feature as absorption promoter of fertilizer of the poly-gamma-glutamic acid, therefore, crops output is further raised. The fertilizer is released slowly and prolonged by around 4 times compared with the traditional fertilizer in soil. The invention promotes crop absorption and inhibits fertilizer ingredient decomposition and loss, therefore, fertilizer use is directly decreased by more than 20 percent. The pollution to environment is reduced without excessive or inappropriate fertilization.

The invention discloses a special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and a preparation method thereof. The special improvement fertilizer comprises the following components in parts by weight: 40-80 parts of flue gas desulfurization gypsum, 1-3 parts of citric acid, 0.5-1.5 parts of magnesium sulfate, 1-5 parts of aluminum sulfate, 1-5 parts of ferrous sulfate, 10-30 parts of weathered coal, 10-20 parts of cattle manure or chicken manure, 1-5 parts of urea, 0.5-2.5 parts of ammonium sulfate, 1-3 parts of potassium sulfate, 1-3 parts of monoammonium phosphate, 0.1-0.5 part of zinc sulfate, 0.1-0.5 part of manganese sulfate and 3-10 parts of bentonite. The fertilizer is reasonable in design, provides an effective solution for inland saline-alkali soil of China, and has higher practical value and wide market prospects.

The invention relates to a method for preparing a granular compound fertilizer, which comprises the following steps of: rotating a disc granulator under the action of atomized water to wrap a mixture of attapulgite clay, urea and monopotassium phosphate on the outer layers of urea granules; adding sodium alginate powder into the disc granulator, rotating a disc to wrap the sodium alginate on the outer layer of the core of the fertilizer, spraying 5 percent aqueous solution of calcium chloride to perform cross linking with the sodium alginate, and taking the cross-linked sodium alginate as fertilizer inner layer envelopes; adding water-absorbing resin powder into the disc granulator, and rotating the disc to wrap the water-absorbing resin outside the fertilizer granules to form fertilizer outer layer envelopes; and drying the mixture to obtain the granular fertilizer. The granular compound fertilizer provides multiple nutrient elements for plants, and improves the sustained-release performance of the nutrient elements of the fertilizer. Meanwhile, the granular compound fertilizer has multiple functions of water absorption and retention, sustained release, soil regulation and the like through the combination of the fertilizer and the water-absorbing resin.

The invention discloses a refined rice processing method. The refined rice processing method comprises the following steps of rice screening, stone removal, magnetic separation and rice shelling, rice-bran separating, secondary shelling, thickness grading, moisture measurement and drying or atomizing, rice milling and white rice grading, rice cooling, polishing, color sorting, secondary white rice grading and moisture content detection, and packaging. The refined rice processing method comprises a plurality of impurity removal steps, and consequently, the purity of rice is guaranteed, the produced rice is high in purity, and the safety and the processing efficiency in the processing process are guaranteed. In the rice shelling and rice milling steps of the refined rice processing method, the material temperature is strictly controlled so that the material can be always kept in a relative low temperature appropriate environment, and the crack ratio and the broken rice rate can be reduced and the complete particle rate can be increased; the original faint scent of rice is maintained. The refined rice processing method is used for solving the problems of surface damage and uneven polishing in the rice polishing process by controlling the polishing water temperature and the dampening amount; as a result, the surfaces of all the rice grains polished can be kept smooth and clean, and the quality guarantee period of the rice can be prolonged.

A composite polypeptite fertilizer for promoting growth, and improving crop quality and soil is prepared from a composite fertilizer and polyaminosuccinic acid or its salt through preparing composite fertilizer, preparing the aqueous solution of polyaminosuccinic acid or its salt, mixing and granulating.

The invention relates to a composite microbial agent and a production method thereof. The composite microbial agent consists of a granular material core, a paraffin protective coating and a microbial agent coating layer between the core and the protective layer. The excellent product structure can ensure that the effective microbe content in the composite microbial agent is high, and the product has stable properties and high fertilizer efficiency and meets the requirements of various crops; and compared with the conventional biofertilizer, the composite microbial agent can improve the yield of food crops by 10 to 15 percent, improve the yield of cash crops by 8 to 14 percent, improve the yield of vegetables by 15 to 20 percent, and improve the yield of fruits by 15 to 25 percent. Throughthe production method, the granulation rate of the product is 95 percent, the granule strength of the product is high, and because the water content of the granular material is low, the energy consumption in the energy process is reduced, the production efficiency of drying equipment is improved and the investment of the drying equipment is reduced.

The invention belongs to the technical field of production of compound fertilizers, relating to a production process of ureaformaldehyde humic acid organic fertilizer. The production process comprises the steps of activating and fermenting organic raw materials, preparing granulating base stock, granulating, processing granules, coating and the like, wherein humic acid and dung of cows and sheep containing straws are fermented together; the disadvantage that moisture in dung is high is solved; the balling rate is high since activated humic acid is used for granulating; the water content is low; coal consumption is low when the ureaformaldehyde humic acid organic fertilizer is dried; the temperature is low; beneficial microbial strains in the organic raw material are effectively preserved; the ureaformaldehyde humic acid organic fertilizer has ureaformaldehyde humic acid film-forming property and slow-release property; the ureaformaldehyde humic acid organic fertilizer produced by using the process disclosed by the invention has slow-release property and high hardness which is averagely 5-7N higher than that of the ordinary humic acid organic fertilizer, is hardly pulverized, and is low in production cost and strong in production continuity and operability.

The invention discloses an edible grain, bean and potato coarse cereal rice composition and a preparing method thereof and belongs to the technical field of grain deep processing. According to the edible grain, bean and potato coarse cereal rice composition, broken rice is used as a main raw material, after ultrasonic cleaning, microwave curing, drying and sterilizing of the broken rice, the broken rice, grain powder with a special flavor, enzymatic hydrolysate and other functional raw materials are pelletized, and then grain arrangement and processing through a microwave drying device are carried out, so that the edible grain, bean and potato coarse cereal rice composition is obtained. The edible grain, bean and potato coarse cereal rice composition has a tissue structure, granularity, hardness and viscosity which are similar to those of rice, can be boiled and cooked with rice, has the taste and chewiness, which are similar to those of cooked rice, is unique in flavor, soft in fragrance, high in appetite attractiveness, easy to digest and comprehensive in nutrition, and can improve the immunity and disease resistance of the human bodies and improve the gastrointestinal function. The guarantee period is three times of that of commercial rice. More importantly, a shortcut is developed for the efficient value-added comprehensive utilization of the broken rice, the road for the deep processing of the broken rice is broadened, and the economical value of the broken rice is increased. Better social benefits and economic benefits are realized and a sustainable development road for the deep processing of agricultural byproducts and the effective solving of Three-Rural problems is explored.

The invention provides a method for fertilizer granulation through molasses alcohol fermentation liquor. Before granulation, the molasses alcohol fermentation liquor is mixed with a macro-element chemical fertilizer raw material, a medium-element chemical fertilizer raw material, a microelement chemical fertilizer raw material and organic raw materials so that crystal nuclei of particles can be formed, and then granulation is conducted in a granulation device. According to the method, the granulation efficiency of fertilizer is improved to a great extent, the production efficiency of the fertilizer is improved, the production cost is reduced, and clean production through comprehensive use of the molasses alcohol fermentation liquor is achieved.

The invention relates to a telescopic compound fertilizer rotary drum granulator comprising a support (1), a feeding port (2), a supporting wheel (4), a frame (8), and a discharging port (9). The frame (8) is provided with an inner cylinder (7) and an outer cylinder (6) sleeved on the inner cylinder (7), wherein the rotation directions of the inner cylinder (7) and the outer cylinder (6) are the same, but the rotation speeds of the inner cylinder (7) and the outer cylinder (6) are different. Granulating rods (3) are distributed in a threaded form on the outer wall of the inner cylinder (7). The inner cylinder (7) is arranged on the support (1) through a shaft, wherein the cylinder (7) can rotate. The outer cylinder (6) is arranged on the frame (8) through the supporting wheel (4). The feeding port (2) is arranged on one end of the outer cylinder (6), and the discharging port (9) is arranged on the other end of the outer cylinder (6). Compared to existing technologies, the granulator provided by the invention is advantaged in small volume, simple structure, high granulating rate, and no restriction on raw material performance. With the telescopic compound fertilizer rotary drum granulator provided by the invention, materials with any formula can be produced.

The invention relates to a method for preparing long-acting slow-release compound fertilizers by one-step pulp spraying granulation, which comprises the following steps: heating and mixing urea and formaldehyde solution according to a mol ratio of (2 to 7)/1 to be prepared into mixed material pulp with the temperature between 40 and 90 DEG C; introducing N, P and K fertilizers or filling materials and the like into a granulation device; after the mixed material pulp and ammonium sulphate are mixed in a pipeline according to a weight ratio of (5 to 30)/1, spraying the mixture on solid materials in the granulation device for mixed granulation; simultaneously introducing ammonia for neutralization during the granulation; and obtaining the grain compound fertilizers, wherein the weight ratio of the mixed material pulp to the sulphuric acid is (5 to 30)/1, the addition of the mixed material pulp sprayed on the solid materials accounts for 10 weight percent to 50 weight percent of the total material weight, and the quantity of the introduced ammonia accounts for 1 weight percent to 5 weight percent of the total material weight.

The invention discloses a slag quenching system, which comprises a tipping device, wherein the tipping device is provided with a tundish; the front of the tundish tipping device is provided with a granulator; an explosionproof quenching tank is arranged in the spraying direction of the granulator, and is connected with a dehydration and deslagging device through a sluiceway; a feed belt is arranged below a tapping device of the dehydration and deslagging device; one end of the feed belt is connected with a bunker; and a drainage ditch is arranged below the dehydration and deslagging device and is connected with a circulating water tank. A slag quenching process comprises the following steps of: 1, pouring slag of a slag ladle into the tundish; 2, pouring the slag in the tundish into the explosionproof quenching tank, quenching the slag by spraying water mist through the granulator, making granulated slag fall into the explosionproof quenching tank, flushing the explosionproof quenching tank to make the slag and water in the explosionproof quenching tank enter the sluiceway, and making the quenched slag enter the dehydration and deslagging device; and 3, making water separated by the dehydration and deslagging device fall into the drainage ditch and flow into the circulating water tank, and transporting the separated slag to the bunker for storage.

The invention discloses an environment-friendly nitrogen potassium dressing fertilizer containing various nitrogen elements and a preparation method thereof. The fertilizer comprises, by weight, at least 20% of urea, 5-7% of ammonium bicarbonate, 7-15% of ammonium sulfate, 10-14% of nitrate, at least 8% of potassium chloride, 7% of humic acid, 8-12% of sepiolite, 5-7% of calcium hydroxide, other materials containing trace elements and a plant growth regulator. In a granulating process, urea nitrate generated by reaction of nitrate and urea and sepiolite with viscosity are used as adhesive, water generated by decomposing of ammonium bicarbonate is used as a liquid phasor, steam is used for increasing the temperature of granulating materials, liquid phasor required by granulation is supplemented, and a material granulating process is finished. The final product contains nitrate nitrogen, ammonium nitrogen, amidonitrogen, organic matters, various medium trace elements and the plant growth regulator and achieves the purposes of improving soil, reducing soil salinity, improving nutrient element absorption of plants, increasing plant quality and productivity and improving plant disease resistance.

A grape destemer is composed of a rack, a motor, a gearbox, a transmission device and a screen basket. The motor, the gearbox and the transmission device are fixedly mounted on the rack, and the screen basket is hoisted in the rack. The motor is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the transmission device, and a rocker arm of the transmission device is in transmission connection with the screen basket. A feed port is formed in the upper portion of the rack and located over the right end of the screen basket. A discharge port is formed in the bottom of the rack and located under the screen basket; a stem discharge opening is formed in the side of the rack and rightly faces the leftmost side of the screen basket. The grape destemer has the advantages that picked grape grains are high in complete grain rate, few fruit stems are brought out, and mixing of green fruits and dry fruits is avoided reasonably and effectively; the equipment technology of the grain stem removing process in the wine making process is remarkably improved, the production quality of wine is improved, the raw material use rate of the wine is increased, and the production equipment investment cost is reduced.

The invention discloses a functional sustained or controlled release fertilizer core based on a bio-based adhesive and a preparation method thereof. The bio-based adhesive is prepared through the steps that a biomass material is subjected to a liquidation reaction, bio-based polyalcohol is prepared, and the bio-based polyalcohol, a chain extender, a cross-linking agent and a curing agent are pre-mixed. The bio-based adhesive is prepared from regenerative biomass resources, dependence on petrification-based raw materials is reduced, good degradability is achieved, and meanwhile the bio-based adhesive is high in adhesive performance, good in heat resistance, high in water resistance, easy to spray and easy to dry. The functional sustained or controlled release fertilizer core prepared basedon the bio-based adhesive is high in granulation rate, large in particle strength, excellent in moisture absorption resistance, high in impact resistance, good in roundness, good in storage and transport performance and especially suitable for a coated sustained or controlled release fertilizer production process, the material fluidifying performance can be improved, the specific area of the fertilizer core is reduced, and the coating cost of controlled-release fertilizer is greatly reduced.

A method for producing fertilizer through dilute molasses alcohol wastewater is characterized in that an alcohol wastewater spraying device is arranged above a raw material conveying belt in a fertilizer production line and sprays alcohol wastewater discharged at the tail end of the molasses alcohol distilling process on various fertilizer raw materials on the raw material conveying belt, the molasses alcohol wastewater and the various fertilizer raw materials enter a granulation device after being mixed, or molasses alcohol is sprayed on the molasses alcohol wastewater and the various fertilizer raw materials again on the granulation device, the molasses alcohol wastewater and the various fertilizer raw materials are bonded with short fibers in organic raw materials so that the diameter of particles can be increased in the rolling process of the granulation device, and then fertilizer granulation is achieved. By means of the method, dilute molasses alcohol fermentation liquor can be utilized cleanly without concentrating the molasses alcohol fermentation liquor in advance, and concentration equipment and energy are saved.

The invention relates to the fertilizer technical field, and in particular relates to a stevia organic compound fertilizer comprising the following raw materials by weight: 50-60 parts of stevia root stem and rod, 5-7 parts of clay, 10-20 parts of urea, 10-20 parts of ammonium hydrogen phosphate, 6-8 parts of potassium sulfate, 3-5 parts of potassium dihydrogen phosphate, 8-10 parts of polymer water absorbent resin and 20-30 parts of a biological organic fertilizer. The stevia organic compound fertilizer is green, pollution-free, non-toxic, harmless, free of any side effects, anti-drought, water holding, fertilizer maintaining, seedling maintaining, and capable of improving soil, prevents soil hardening, adjusts soil pH value to neutral, do not pollutes the environment, can effectively inhibit the occurrence and spread of root knot nematode, suppresses soil borne diseases, and can improve the quality of crops.

The invention discloses a cefalexin tablet and a preparation method thereof. A dry granulating process is adopted, and not only is the degradation of beta-lactam rings achieved, but also the problem of low dissolution of products produced through conventional wet granulation is solved. The product is high in stability, a dissolution curve is similar to that of a reference product, and a production process is simple.