298 results about "Calcium ammonium nitrate" patented technology

The invention discloses a compound moisture-retention fertilizer and a preparation method thereof. The compound organic fertilizer is prepared from the following components in parts by weight: 1-4 parts of soluble chitosan, 4-8 parts of fulvic acid, 5-7 parts of corn flour, 6-8 parts of honeysuckle flower powder, 4-6 parts of bean pulp powder, 8-13 parts of rape seed cake, 5-8 parts of furfural residue, 6-10kg of calcium ammonium nitrate, 20-25 parts of potassium dihydrogen phosphate, 8.6-10.5 parts of urea, 1-4 parts of corn starch-acrylic acid copolymer, 4-7 parts of rare-earth element, 1-3 parts of dexon, 2-4 parts of chlorothalonil and 2-4 parts of adhesive. Under the synergistic actions of the components, the compound moisture-retention fertilizer can satisfy the nutrient supply required by crop healthy growth, effectively kill soil insects of the crops and enhance the utilization efficiency of soil water; and meanwhile, the invention is safety for people and livestock, and does not produce any environmental pollution.

The invention provides a wild growth imitating cultivation method for astragalus propinquus. The method comprises the steps of 1) land selection and soil preparation: digging planting holes after selecting a plantation, drying dug-out weeds and root hair to prepare natural fertilizer, mixing river sand, the natural fertilizer and land soil uniformly and placing the mixture in the planting holes; 2) base fertilizer application: feeding water into the holes thoroughly before transplanting and spreading mixed fertilizer with a thickness of 2-3mm after the water permeates soil thoroughly, wherein the mixed fertilizer is formed by mixing livestock manure, plant ash, urea, calcium ammonium nitrate and vermiculite power; 3) transplanting; 4) field management; 5) disease and pest control; 6) harvesting and processing. The method selects shady wasteland in mountainous areas or half-mountainous areas, does not occupy fertile farmland, selects growing environment similar to that of wild astragalus propinquus, enables astragalus propinquus to grow naturally and reduces human factor interference as much as possible, thereby guaranteeing the original medicinal purpose quality of astragalus propinquus. With the planting method, astragalus propinquus has the advantages of high survival rate, high medicinal material quality, high yield and low disease and pest damage incidence rate.

The invention discloses a special organic/inorganic compound fertilizer for edible amaranth. The special organic/inorganic compound fertilizer for the edible amaranth is prepared from organic active fertilizer, nitrogen fertilizer, a nitrogen fertilizer synergist, phosphatic fertilizer, potash fertilizer and medium trace nutrient elements; specifically, the special organic/inorganic compound fertilizer for the edible amaranth is prepared from the following raw materials in percentage by weight: 22-30% of nitrogen fertilizer, 10-20% of phosphatic fertilizer, 10-15% of potash fertilizer, 1-2% of nitrogen fertilizer synergist, 0.5-2% of ferric sulfate, 0.5-2% of calcium ammonium nitrate and 32-55% of organic active fertilizer. The special organic/inorganic compound fertilizer for the edible amaranth is scientifically compatible; the nitrogen, phosphorus and potassium components are scientifically proportioned according to the demands of the edible amaranth on the nitrogen, phosphorus and potassium components; the utilization rate of the nutrients is guaranteed; meanwhile, the medium trace nutrient elements are added so that the yield can be increased by 10-25% per mu in contrast with conventional fertilization; as a result, the special organic/inorganic compound fertilizer for edible amaranth has good economic benefit.

The invention discloses a specific fertilizer of ornamental pineapple in the floral fertilizer technological domain, which comprises the following parts: 0-30% calcium ammonium nitrate, 0-60% potassium nitrate, 0-30% monobasic potassium phosphate, 0-8.2% monoammonium phosphate, 2-47% potassium sulfate, 4.3-23% magnesium sulfate, 0-17% aquacare, 0.422-0.823% EDTA-Fe, 0.048-0.096% zinc sulfate, 0.007-0.013%copper sulfate, 0.013- 0.024%sodium molybdate and 0.055-0.110% manganese sulfate.

The invention provides a process for preparing phosphate concentrate as well as byproducts of magnesium ammonium sulfate and calcium ammonium nitrate by use of medium and low grade phosphorus ores and belongs to the technical field of inorganic chemical engineering. The process comprises the following steps of calcining, digesting, leaching with ammonium nitrate, then filtering, concentrating and pelletizing a leachate, adding ammonium sulfate into leaching residues for leaching, then filtering, drying filtration residues to obtain the phosphate concentrate, and concentrating a filtration solution to obtain the magnesium ammonium sulfate. According to the process, phosphorus element can be preserved in the prepared phosphate concentrate to the greatest extent; furthermore, the byproducts of the magnesium ammonium sulfate and the calcium ammonium nitrate can be produced at the same time, so that calcium, magnesium and phosphorus elements in the medium and low grade phosphorus ores are fully utilized.

The invention discloses a power plant boiler used coal-saving desulfurating additive, which is prepared by mixing calcium oxide, silicon dioxide, calcium ammonium nitrate, sodium nitrate, potassium permanganate, ammonium nitrate, iron oxide, alumina, activated carbon and borax by curtain weight percentages; and then using a pulverizing mill to pulverize the mixture into power, the granularity of which is 80-100 MU; putting the power into a stirrer and stirring the power; packing the power into finished product after the power is tested to be qualified. The invention has obvious sulfur capturing and desulfurizing effects, can save energy and support combustion, can lower the blackness of the exhausted smoke, can clear ashes and remove coke, and need not change the existing combustion process and equipment. The invention is in particular applicable for the coals with high ash content, high sulfur content and low volatile constituent content. The invention can reduce equipment leakage accident caused by poor quality of coal, can ensure the safe operation of the boiler effectively, can ensure the safe operation of electric generating set, therefore being worthy to be spread by all thermal power plants.

The invention provides a fruit and vegetable crop multielement organic liquid fertilizer which comprises the following components by mass: 17%-23% of potassium humate; 30%-36% of organic matters, 20% of potassium dihydrogen phosphate, 19%-25% of potassium nitrate, 2%-7% of calcium ammonium nitrate, 1%-2% of magnesium sulfate, 0.5%-1.2% of ferrous sulfate, 0.5%-1.2% of borax, 0.5%-1.2% of zinc sulfate, 0.4%-0.7% of copper sulfate, 0.01%-0.5% of a conditioner and 0.01%-0.3% of molybdate ammonium. The fruit and vegetable crop multielement organic liquid fertilizer solves the problems of incomplete multielements required by the plant, low plant absorption rate, unobvious use effect and high fertilization cost caused by single nature of the fertilizer varieties in the prior art.

The invention relates to the field of bio-fertilizers, and particularly discloses a preparation method of a nutrition package fertilizer. The preparation method of the nutrition package fertilizer is characterized in that the preparation method comprises the steps that furfural residues, animal wastes, plant ash and methane residues serve as raw materials; the raw materials are mixed; compound microorganism bacteria, medium elements and trace elements are added and stirred uniformly; a pH value of a mixture is adjusted to be 6-7; the mixture is fermented, and subjected to turning and secondary fermentation; compound microorganism bacteria are added; then bagging fermentation is conducted to form a semifinished nutrition package fertilizer; calcium ammonium nitrate is added to the semifinished nutrition package fertilizer, and mixed uniformly; and the finished nutrition package fertilizer is obtained. The method is simple in production step and low in production cost; the nutrition package fertilizer is applied as required; a granular structure of soil is improved; sterilization, convenience, decay control and insect prevention are facilitated; and a photosynthetic effect is improved.

The invention relates to a potassium-calcium biological composite foliar fertilizer. The potassium-calcium biological composite foliar fertilizer consists of the following components in percentage by weight: 20 to 40 percent of bacteria-containing yeast organic raw material, 24.5 to 39.5 percent of potassium nitrate, 35 to 45 percent of calcium ammonium nitrate and the balance of azone. The invention also provides a preparation method and application of the potassium-calcium biological composite foliar fertilizer. The invention provides a new raw material for the production of the foliar fertilizer, so that the conventional mode of preparing potassium and calcium foliar fertilizers from inorganic raw materials is broken and the new raw material is found for technically improving a composite microorganism fertilizer to the foliar fertilizer. The foliar fertilizer has the characteristics of making waste profitable, lowering the production cost of the foliar fertilizer and improving product quality, along with low cost, high water solubility, high utilization ratio and the like.

The invention discloses an activated carbon preparation method of a sludge type argillaceous biomass. The method comprises: carrying out a process of constructing and conditioning micro-explosion agent/aggregate, a process of solar sandwich drying and a process of activation two-stage pyrolysis; uniformly mixing the sludge obtained after dehydration of the sludge type argillaceous biomass, the micro-explosion agent and the aggregate in a mass ratio of 8.5:0.5:1.0-6:2:2 of a dry basis, then carrying out distribution, carrying out drying in a solar sandwich drying system, then carrying out two-stage pyrolysis in a pyrolysis furnace, controlling the temperature of the initial carbonization stage at 230 DEG C for 20 minutes, then raising the temperature to 400 DEG C at a rate of 20-40 DEG C/min, making a stop for 30-60minutes, and introducing water vapor into a water vapor activation stage at a flow rate of 0.1-1L/(min.G), wherein the pyrolysis final temperature is 550-650 DEG C, the residence time is 20-60 minutes, the EET of the formed activated carbon is 200-500m2/g, and the particle size is less than 20mm; and the micro-explosion agent is one or more of ammonium nitrate, potassium ammonium nitrate and calcium ammonium nitrate, and the aggregate is a waste circuit board. The preparation method disclosed by the invention comprehensively uses solar drying, micro-explosion agent swelling pore-forming and waste resin to construct a framework, and thereby improving the solar drying efficiency of the sludge and the quality of the activated carbon.

The invention discloses organic-inorganic compound fertilizer capable of improving a soil environment. The fertilizer is prepared from raw materials in parts by weight as follows: 20-40 parts of urea, 5-15 parts of calcium ammonium nitrate, 10-20 parts of precipitated phosphate fertilizer, 6-16 parts of monopotassium phosphate, 10-20 parts of potassium sulfate, 40-60 parts of fermented chicken manure, 5-15 parts of fermented pig manure, 2-6 parts of bamboo powder, 2-8 parts of shell powder, 10-20 parts of tapioca flour, 5-15 parts of corncobs, 4-8 parts of modified fly ash, 5-12 parts of oil shale powder, 2-4 parts of montmorillonite powder, 2-6 parts of borax, 1-2 parts of sodium silicate, 0.5-1.5 parts of ammonium molybdate, 0.4-0.9 parts of zinc carbonate, 0.1-0.8 parts of magnesium sulfate and 0.5-2 parts of sodium naphthalene acetate. The fertilizer contains very rich nutrients and can decrease the release speed of organic nutrients, effectively enhance soil fertility, effectively improve the soil structure and make hardened soil loose.

The invention belongs to the field of fertilizer industry, and relates to a production method of granulated calcium ammonium nitrate. The method comprises the steps that: dilute nitric acid and calcium carbonate are subjected to a neutralization reaction; a calcium nitrate solution is subjected to pres-filtration; the calcium nitrate liquid is mixed with an ammonium nitrate liquid; press-filtration, concentration, granulation, packaging, and inspecting are carried out; and the obtained granulated calcium ammonium nitrate is stored. The method provided by the invention has the advantages of novel design, unique method, low production cost, easy operation, and high practicality. The method can be popularized.

The invention relates to a macroelement water-soluble fertilizer (medium-trace element comprehensive) integrating full nutrition, continuous-cropping resistance and disease resistance, and a preparation method thereof, and belongs to the technical field of fertilizers, wherein the macroelement water-soluble fertilizer is prepared from the following raw materials: 5-10% of urea, 15-20% of potassiumdihydrogen phosphate, 40-50% of potassium nitrate, 5-10% of monoammonium phosphate, 5-10% of potassium fulvate, 2-5% of calcium ammonium nitrate, 1-3% of magnesium nitrate, 2-5% of magnesium sulfate,1.0-1.5% of boric acid, 0.2-0.3% of ammonium molybdate, 1.5-2% of ferrous sulfate, 0.5-1% of zinc sulfate, 0.5-1% of copper sulfate, 0.5-1% of manganese sulfate, 2-3% of amino acid powder, 1-1.5% ofchitin, 0.3-0.5% of compound sodium nitrophenolate, 0.2-0.3% of diethyl aminoethyl hexanoate, 0.2-0.3% of agricultural streptomycin, and 0.1-0.2% of Bacillus subtilis. According to the present invention, the macroelement water-soluble fertilizer is creatively prepared, is firstly provided in the patents related to water-soluble fertilizers, has characteristics of full nutrition and continuous-cropping resistance, can solve the deficiency and the physiological diseases of crops, further has advantages of yield improving, quality improving and environmental protection, easily achieves the development of ecological agriculture, and fills the domestic blank.

The invention relates to a water planting nutrient solution for edible amaranth, which consists of macroelements, microelements and water. Every 1000ml of the nutrient solution comprises 800.00-809.73mg of calcium nitrate terahydrate, 152.00-158.04mg of ammonium hydrogen phosphate, 53.00-57.60mg of ammonium nitrate, 20.00-22.20mg of sodium ferric ethylene diamine tetraacetic acid, 2.86-3.15mg of boric acid, 0.08-0.10mg of copper sulfate pentahydrate, 810.00-819.90mg of potassium nitrate, 400-500mg of magnesium sulfate, 100-170mg of potassium sulphate, 150-175mg of potassium dihydrogen phosphate, 28-33mg of calcium ammonium nitrate, 3-5mg of manganese sulfate, 0.45-0.52mg of zinc sulphate monohydrate, 0.01-0.015mg of sodium molybdate, 0.02-0.04mg of ammonium molybdate, 0.3-0.5mg of nickel chloride, 7.4-8.2mg of potassium iodide, 12-15mg of citric acid, 16-19mg of sodium silicate and 0.04-0.05mg of lead acetate. The water planting nutrient solution for edible amaranth is complete in nutritional ingredient, simple to prepare and high in practicality, and has a certain popularizing and practical value.

The invention discloses a special fertilizer for peppers and a preparation method thereof. The special fertilizer consists of the following formula components in parts by mass: 22-24 parts of ammonia water, 17-19 parts of calcium ammonium nitrate, 13-15 parts of ground phosphate rock, 11-13 parts of a potassium chloride magnesium fertilizer, 10-12 parts of a hairy vetch green manure, 12-14 parts of decomposed goose dung, 3-7 parts of a photosynthetic bacterium fertilizer, 7-9 parts of a yield-increasing bacterium fertilizer, 2-4 parts of a marathon emulsion, 1-3 parts of benzethazet acetofenate, 3-5 parts of humic acid, 1-3 parts of indolebutyric acid potassium, 2-4 parts of molybdenum trioxide and 40-50 parts of water. The special fertilizer disclosed by the invention is rich in nutrient substance and simple in preparation, can effectively promote uniformity of pepper grains, the fruit peel is thin, rich in oleosus feeling and strong in fragrance, and the special fertilizer contains an insecticide component to improve disease and insect resistance of the pepper, so that the quality of the pepper is greatly improved.

The invention discloses a method for applying fertilizers to burley tobaccos. The method is characterized by (1) base fertilizers; (2) rooting fertilizers; (3) seedling picking fertilizers: 10-15 days after transplanting, 3-5kg of potassium sulfate and 5-7kg of calcium ammonium nitrate are taken as the seedling picking fertilizers per mu and the seedling picking fertilizers are dissolved into clear liquid manure to water the tobacco seedlings; and (4) additional fertilizers: 25-30 days after transplanting, 15-19kg of calcium ammonium nitrate and 16-18kg of potassium sulfate are taken as the additional fertilizers per mu, after the calcium ammonium nitrate and the potassium sulfate are uniformly mixed, the mixture is circularly applied 8-10cm away from the two sides of the tobacco plants in combination with membrane uncovering and earth is timely covered. The method has the following beneficial effects: the burley tobaccos look neat and delicate in the fields and grow well and vigorously; the yield is basically stable; the production value is increased by 6.4%; the proportion of the middle and superior tobacco leaves is increased by 12.5%; the appearance quality of the tobacco leaves is improved; and the tobacco leaves have bright color, are lustrous and full and have enough elasticity.

The invention discloses a method for extracting phosphate concentrate from phosphate tailings and cooperatively producing calcium ammonium nitrate and magnesium ammonium sulphate. Phosphate tailings are calcined under high temperature, hot water is added into the calcined material for digestion treatment, an ammonium nitrate solution is added to the calcined material, the mixture is stirred, calcium is extracted under a certain temperature, calcium-containing leaching liquid and leaching residues are obtained, phosphate concentrate and magnesium-containing leaching liquid are obtained after magnesium is extracted from the leaching residues with an ammonium sulfate solution, and calcium ammonium nitrate and magnesium ammonium sulphate are obtained after the calcium-containing leaching liquid and the magnesium-containing leaching liquid are concentrated and dried. According to the method, phosphate concentrate, calcium ammonium nitrate and magnesium ammonium sulphate are prepared with phosphate tailings as the main raw materials, large-scale treatment can be carried out on the phosphate tailings, the problem that because phosphate tailings pile up in quantity, the phosphate tailings occupy a lot of land and pollute the environment is solved, and the obtained phosphate concentrate, calcium ammonium nitrate and magnesium ammonium sulphate can bring certain economic interests.

The invention provides a fire coal desulfurization and denitrification decoking additive and a preparation process thereof. The fire coal desulfurization and denitrification decoking additive comprises a coal dust additive, which is added to the fire coal, and a catalytic activator, which is added to a slurry tank of a desulfurization system; and the preparation process comprises the following steps of: first, adding sodium carbonate, magnesium oxide, silicon dioxide, zinc oxide, manganese dioxide, copper oxide and barium oxide in sequence and stirring the mixture for 20 minutes; and then adding active calcium oxide and ammonium bicarbonate, and stirring the mixture for 10 minutes; uniformly mixing the mixture to obtain the coal dust additive; first stirring the active calcium oxide, active aluminum oxide and caustic calcined magnesite for 15 minutes; and then adding active carbon and calcium ammonium nitrate, and uniformly stirring the mixture to obtain the catalytic activator. According to the invention, without changing the traditional boiler and desulfurization equipment as well as the process thereof, the user selects corresponding additive and catalytic activator provided by the invention according to physical and chemical indexes of the coal so as to produce coal-saving, desulfurization, denitrification and decoking effects. During using high sulfur coals, the desulfurization efficiency is obviously increased and the SO2 emission reduction reaches the standard.

The invention discloses an agricultural water-retaining soil-loosening soil conditioner and a preparation method thereof. The conditioner is prepared from the following components: 20 to 55 parts of calcium ammonium nitrate, 0.1 to 10 parts of monoammonium phosphate, 0.1 to 5 parts of ammonium sulfate, 10 to 35 parts of potassium humate, 0.1 to 1 part of polyacrylamide, 0.1 to 3 parts of biological enzyme, 0.5 to 2 parts of magnesium oxide, 2 to 6 parts of potassium fulvate, 5 to 10 parts of bentonite, 5 to 10 parts of light calcium carbonate. The agricultural water-retaining soil-loosening soil conditioner is stable in nature, and can be combined with various means such as improving microecological environment of the soil, loosening compacted soil, and improving physical properties of thesoil, thereby ultimately improving the utilization rate of a fertilizer and yield and quality of crops, and avoiding problems of imbalances in proportion of nutrient elements and changes in soil nutrient structure caused by long-term use of compound fertilizers containing only major elements, and has high social, economic, and ecological benefits.

The invention discloses a biomass organic fertilizer for soil improvement. The fertilizer is prepared from, by weight, 1-3 parts of zinc sulfate powder, 4-5 parts of tourmaline powder, 6-8 parts of wood bits, 4-6 parts of ammonium chloride, 2-3 parts of calcium ammonium nitrate, 14-15 parts of bagasse, 10-12 parts of cotton seed shells, 79-81 parts of crop straw, 24-25 parts of wormcast, 3-4 parts of pyroligneous liquor, 53-57 parts of waterweed, 2-4 parts of cellulose preparation, 2-3 parts of protease preparation, 7-8 parts of tamarind fruits and a proper amount of water. The biomass organic fertilizer has good biochemical stability and degradation resistance, and can be reserved in soil for a long time, the organic matter content of the soil is remarkably improved, the content of effective nitrogen phosphorus and potassium in the soil is adsorbed and kept, the moisture and fertility preserving effect is remarkable, the granular structure of the soil is optimized, the ecological environment of the soil is improved, the utilization rate of the fertilizer efficiency is increased, and the effects of increasing the yield and guaranteeing the quality are achieved.