303 results about "Potash" patented technology

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.

The invention relates to the technical field of hydraulic supports for potassic salt mines, in particular to an assembling device and method for a top beam of a hydraulic support for potassic salt mines, the assembling device comprises a first tool used for pre-assembling an outer main reinforcement assembly, and in a first positioning state, a positioning plate is supported on one side of a main reinforcement corresponding to the outer main reinforcement assembly in parallel; the corresponding lug plates or flitch plates are positioned between the positioning plates and the main reinforcements; the top beam has the beneficial effects that the inner main reinforcement assembly and the outer main reinforcement assembly are both pre-assemblies, that is, the subsequent assembling and welding processes are carried out after welding is completed to form a module, the assembling efficiency of the top beam is improved, and the assembling efficiency of the top beam is improved. Under the action of the first tool, the outer main reinforcement assembly can be efficiently assembled, and the possibility of wrong assembly is reduced through accurate positioning, so that the safety and the stability of the whole structure are improved.

The invention discloses a potash magnesium sulphate synergistic application mechanism optimization method, and relates to the field of intelligent agricultural fertilization control. According to the method, growth characteristic parameters such as the fruit weight gain rate and the root distribution depth of the citrus reiculata Blanco are collected in real time, and the fertilization amount is calculated and dynamically adjusted in combination with the T-S fuzzy model, so that the fertilization amount can accurately meet the growth requirements of crops, and excessive fertilization or insufficient fertilization is avoided.

The invention relates to an alkaline activated carbon multi-stage synergistic potassium removal method, and belongs to the technical field of activated carbon materials. According to the method, a four-step synergistic process of water washing, acid pickling, ion exchange and nitrogen calcination is adopted, and a waste acid recycling closed-loop system is combined. The deep removal of residual potassium is realized through the synergistic effect of countercurrent water washing, pH (Potential of Hydrogen) staged regulation and control acid washing, deep potassium removal by ion exchange resin and nitrogen protection calcination, and meanwhile, the high specific surface area is maintained; the pickling waste liquid is neutralized, concentrated and crystallized to be converted into agricultural potash fertilizer, and mother liquid is recycled to form green circulation.

The present invention relates to a crop nutrition and fortifying composition comprising: i. Elemental sulfur; ii. One or more water insoluble or water soluble magnesium salts or derivatives or mixtures thereof; iii. One or more water-insoluble or water-soluble potash fertilizers or salts or derivatives or mixtures thereof; iv. One or more water insoluble or water soluble iron salts or derivatives or mixtures thereof; v. One or more water insoluble or water soluble zinc salts or derivatives or mixtures thereof; vi. One or more water-insoluble or water-soluble boron salts or derivatives or mixtures thereof; vii. At least one trace element selected from the group consisting of water-insoluble or water-soluble vanadium salts or derivatives or mixtures thereof and water-insoluble or water-soluble selenium salts or derivatives or mixtures thereof; and viii. One or more excipients wherein the composition comprises microparticles having a size in the range of 0.1 to 50 microns, and wherein the total content of the water-soluble salts, derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition. The invention also relates to a method for preparing the crop nutrition and fortifying composition and a method for treating a plant, a seed, a crop, plant propagation material, a locus, parts thereof or soil with the crop nutrition and fortifying composition.

The invention relates to the technical field of sustained and controlled release fertilizers, in particular to a soil-improving disease-resistant sustained and controlled release fertilizer and a preparation method thereof. The preparation method comprises the following steps: (1) preparation of the nutrient core: weighing an organic fertilizer, an ammonium nitrogen fertilizer, a phosphate fertilizer, a potash fertilizer, a biological regulator, chelated medium trace elements and modified attapulgite, uniformly mixing, and granulating to obtain the nutrient core; (2) covering an organic polymer coating layer: dissolving polylactic acid in a solvent to form a composite solution, spraying the composite solution on the surface of the nutrient core, and drying to obtain an organic polymer coated nutrient core; and (3) covering a mineral coating layer. The outermost layer of the soil-improving disease-resistant controlled-release fertilizer provided by the invention is the mineral coating layer, the mineral coating layer can be gradually disintegrated after being applied to soil, mineral components can improve the physical structure of the soil, regulate the acid-base property of the soil and increase the content of organic matters in the soil after entering the soil, and inorganic and organic nutrients are slowly released into the soil through the organic polymer coating layer; nutrient substances are continuously supplied, and common diseases of the corn are prevented and controlled.

The invention provides an organic liquid suspension fertilizer as well as a preparation method and application thereof. Comprising the following components in parts by weight: 10-15 parts of chitosan mother liquor, 12-16 parts of amino acid fermentation mother liquor, 23-27 parts of gibberellin mushroom dreg fermentation liquor, 30-35 parts of vinasse fermentation liquor, 5-10 parts of potassium humate, 1-3 parts of a surfactant, 12-15 parts of a nitrogen fertilizer, 10-14 parts of a phosphate fertilizer, 26-31 parts of a potassium fertilizer, 3-8 parts of a trace element mixture and 35-40 parts of small molecule water. The organic liquid suspension fertilizer prepared by the invention can be used as a crop fertilizer, especially can improve the quality of potatoes and the yield and sugar content of beet, and reduces brown spot.

The invention relates to the technical field of water-soluble fertilizers, in particular to a water-soluble organic fertilizer and a preparation method and application thereof.The water-soluble organic fertilizer is prepared from, by mass, 40-100 parts of basic organic raw materials, 5-15 parts of microbial fermentation additives, 10-20 parts of nutrient element supplements and 3-7 parts of synergists; the microbial fermentation additive comprises a compound microbial agent and a microbial growth carrier, the nutrient element supplement comprises a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer and medium trace elements, and the synergist comprises fulvic acid and alginic acid. According to the water-soluble organic fertilizer and the preparation method and application thereof, efficient utilization and accurate supply of nutrients are achieved, the growth requirements of crops in plant factories are met, meanwhile, resource utilization of organic waste is promoted, and sustainable development of the plant factories is promoted.

A granular cohered MOP fertilizer having one or more micronutrients, and one or more binding ingredients. The fertilizer is prepared by compacting MOP feed material with a source of zinc and one or more optional binders to form a cohered MOP composition. The cohered MOP composition is then further processed, such as by crushing and sizing, to form a cohered granular MOP product containing a source of zinc. The process yields a fertilizer product containing micronutrients with superior elemental and granule size distribution without compromising handling or storage qualities.

The invention discloses a method for increasing the yield of ratooning rice, and relates to a fine field management technology. In the whole process from sowing to harvesting, the method comprises the steps that nitrogenous fertilizer, phosphate fertilizer and potash fertilizer are applied in the specific growth stage, shallow water layer irrigation is kept, and water management is conducted immediately after first season rice is harvested so as to promote growth in the regeneration season. In addition, the method further comprises the steps of exogenous spraying of a plant growth regulator in the key growth period and unified management of diseases and pests. According to the technical scheme, the yield and stability of ratooning rice are improved by optimizing fertilization, irrigation and use of a plant growth regulator, and meanwhile environment safety and crop quality are guaranteed.

The invention discloses a special potassium-promoting signal substance-containing slow / controlled-release bulk blending fertilizer for flue-cured tobacco and a preparation method thereof, and belongs to the technical field of controlled-release fertilizer production. The coated controlled-release potash fertilizer is prepared by adding signal substances, and the utilization rate of the fertilizer can be effectively improved. Signal substances including citric acid, lauric acid, rutin, glutamic acid and berberine are synchronously released along with the potash fertilizer, and the citric acid and the lauric acid promote the activity of microorganisms and enhance the mineral dissolving capacity of the microorganisms through soil acidification and chelation, so that the nutrient absorption of plants is improved; rutin and glutamic acid significantly improve the absorption efficiency of potassium ions by adjusting the ion permeability of plant roots and the activity of transporter, and berberine further optimizes the absorption, transport and distribution of potassium ions by adjusting calcium and potassium transport systems in cells. The absorption and utilization of potassium ions by tobacco plants are improved, and the quality of tobacco leaves is improved.

The invention relates to a high-gloss black decorative glass prepared from sludge incineration ash by an all-electric melting method. The high-gloss black decorative glass comprises the following raw material components in percentage by mass: 75-79% of fly ash, 5-7% of calcium carbonate, 9-10% of sodium carbonate, 5-6% of potassium alkali, 1-1.4% of boric acid, 0.03-0.04% of porous carbon, 0.06-0.08% of semi-coke powder, 0.16-0.22% of cobaltosic oxide, 0.1-0.2% of cerium dioxide, 0.04-0.06% of neodymium oxide, 0.5-0.7% of waste zircon brick powder and 0.03-0.05% of yttrium oxide. The dedusting ash is electrostatic dedusting ash collected by incineration of filtered sludge in a municipal sewage treatment plant, and belongs to hazardous waste; the porous carbon is rich in a hierarchical pore structure of sub-nano pores (0.5-1.0 nm). According to the method, a closed-loop production mode that waste is used for treating waste is constructed, high-added-value decorative materials are produced while energy consumption is reduced, and environmental protection investment is converted into economic benefits.

The invention discloses a short-distance multi-ore-bed potassic salt ore large-section long-strip comprehensive mechanized mining method, and belongs to the technical field of potassic salt ore deposit mining. The method comprises the steps that a centralized transportation roadway is arranged on an upper head mining layer, an auxiliary transportation roadway is arranged in a stable salt rock interlayer between ore layers, and combined development is achieved; arranging large-section long strip chambers in the ore blocks along the inclination direction, and reserving permanent spacing strip pillars to maintain the stope to be stable; a chamber is cut and formed at a time by a double-arm large-mining-height mining machine, and efficient stoping is realized by matching with a continuous transportation system; multiple ore beds are mined in a coordinated mode from top to bottom in sequence, and the ore block air return way and the ore block air return way of the upper ore bed are staggered by 20 m or above so as to avoid stress superposition; a full-air-pressure ventilation system combining a press-in type and a draw-out type is constructed; natural supporting is achieved through permanent spacing strip pillars and natural top and bottom plates, safety is guaranteed through a micro-seismic and top plate monitoring system, and the goaf is backfilled with tail salt slurry to achieve green mining. According to the method, safe, efficient and high-recovery-rate mining of the short-distance multi-ore-bed sylvite ore is achieved.

The invention discloses bacillus megaterium YK35 and application thereof, and belongs to the technical field of microorganisms. The strain is preserved in the China General Microbiological Culture Collection Center on October 9, 2024, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.32158; the strain has efficient potassium dissolving capacity and IAA (indoleacetic acid) producing and phosphorus dissolving capacity, and can remarkably promote the growth of crops; excellent stress resistance including heavy metal stress resistance, acid and alkali stress resistance, salt stress resistance and flooding stress resistance is achieved, and the adaptability is wide; the invention also provides a microbial agent containing the strain. Pot experiment and field experiment verification show that the microbial agent can promote the growth of plants; the yield and quality of the potatoes can be remarkably improved, and the effects of high yield and income increase are achieved; the application of potash fertilizer can be reduced through the potassium dissolving function of the fertilizer; the invention provides a new strain resource for the microbial fertilizer industry, and shows a strong application value in the aspect of growth promotion and yield increase of rhizosphere.

The present invention relates to a crop nutrition and fortifying composition comprising an effective amount of the following ingredients: elemental sulfur; one or more magnesium salt derivatives or mixtures thereof; one or more potash fertilizers or salts or derivatives or mixtures thereof; one or more iron salts or derivatives or mixtures thereof; one or more zinc salts or derivatives or mixtures thereof; and one or more excipients. The composition comprises particles having a particle size ranging from 0.1 to 50 [mu] m wherein the elemental sulfur content is from 5% to 90% by weight; the content of the element magnesium is 0.1%-40% (weight percentage); the content of the element potassium is 0.1%-40% (weight percentage); the content of the element iron is 0.1%-45% (weight percentage); and the content of the element zinc is 0.1-45% of the total weight of the composition. The invention also relates to a method for preparing the crop nutrition and fortifying composition, and a method for treating a plant, a seed, a crop, plant propagation material, a locus, parts thereof or soil using the crop nutrition and fortifying composition.

The invention discloses an organic potassium fertilizer and a preparation method thereof. The preparation method comprises the following steps: pretreating a novel natural organic matter, a mineral potassium source and an enhanced biological active agent; uniformly mixing the pretreated novel natural organic matter with a mineral potassium source, and adding the plant-derived stimulant in the mixing process to obtain a mixed material containing the plant-derived stimulant; inoculating an enhanced bioactive agent into the mixed material containing the plant-derived stimulant, and performing composting fermentation in an aerobic environment to obtain a fermented mixed material; screening and processing the fermented mixed material to obtain organic potash fertilizer particles; and adding an environmental response type auxiliary agent to carry out coating treatment on the organic potassium fertilizer particles to form microcapsules, and drying and crushing the microcapsules to obtain the organic potassium fertilizer which is easily dissolved in water to form a liquid fertilizer. The prepared organic potash fertilizer not only can improve the nutrient content and the organic matter proportion of the fertilizer, but also can enhance the physical stability and the chemical adaptability of the fertilizer.

The invention discloses a rapid diagnosis method for potassium nutrition of sweet potatoes, which comprises the following steps: measuring potassium concentrations of inverted 5 petioles and positive 1 petioles, calculating a difference value, fitting by taking a horizontal coordinate as a petiole concentration difference and a vertical coordinate as a relative yield, and constructing a regression equation 1 of the petiole potassium concentration difference and the relative yield; according to the regression equation 1, taking the corresponding petiole potassium concentration when the relative yield is maximum as the critical concentration of plant potassium nutrition diagnosis; performing correlation analysis on the plant potassium absorption amount and the petiole potassium concentration difference value to obtain a regression equation 2; comparing the measured value with the critical value petiole potassium concentration, determining the topdressing coefficient, and calculating the topdressing amount in the period. The diagnosis method can timely and accurately judge the potassium nutrition condition of the sweet potato plants, provides a basis for subsequent accurate application amount of sweet potato potash fertilizer, and can improve the yield and quality of sweet potatoes.

The invention belongs to the technical field of chemical fertilizer production and livestock feed, and particularly relates to a combined preparation method of water-soluble potassium sulfate and feed-grade potash magnesium sulphate fertilizer. According to the method, the picromerite concentrate wet material is taken as an initial raw material, the picromerite concentrate wet material with relatively low potassium and magnesium content is purified into high-grade potassium sulfate and the potash magnesium sulphate fertilizer by utilizing hot melt mother liquor at different mother liquor points through multi-stage hot melt and multi-stage vacuum evaporative crystallization, so that efficient distribution and conversion of potassium and magnesium elements in the raw material are realized, resource waste is avoided, and the production cost is reduced. The comprehensive utilization rate of raw materials is greatly improved. Two high-added-value products, namely the water-soluble potassium sulfate and the feed-grade potassium-magnesium fertilizer, are prepared at the same time, and the blank of combined preparation of raw materials required by agriculture and animal husbandry is filled.

The invention discloses a potassium-containing phosphorite mineral-based soil conditioner and a preparation method thereof.The preparation method comprises the steps that firstly, potassium-containing phosphorite is smashed and sieved, then the potassium-containing phosphorite, an alkali roasting agent and an activating auxiliary are mixed in proportion, water is added for full stirring, then calcination is conducted, roasted clinker is obtained, the roasted clinker is cooled and smashed, and the soil conditioner is obtained. According to the technical scheme, the potassium-containing phosphorite is subjected to alkali roasting to prepare the soil conditioner for the first time, dissolution of soluble potassium is promoted through an alkali roasting agent and an activating auxiliary agent, and loose and porous filter residues which contain citric potassium, phosphorus, silicon and calcium and are high in water absorption and slow in ion release are generated and used as the soil conditioner; the preparation process of the soil conditioner has the advantages of simplicity in operation, low reaction temperature, less pollution, low requirements on equipment and the like, realizes pollution-free and zero-emission high-added-value comprehensive utilization of potassium-containing phosphorite resources, and has a good industrial application prospect.

The invention discloses conveying equipment for preparing a carbon-sequestration potassium humate fertilizer, and relates to the technical field of fertilizers, and the conveying equipment comprises a drying mechanism. According to the conveying equipment for preparing the carbon-sequestration potash humate fertilizer, through the design of the drying mechanism, hot air flow is generated through a dryer, the hot air flow moves towards one side of the drying shell along a connecting pipe, and the hot air flow is conveyed from a grating plate to the inner side of a protective cover, so that the effect of drying the interior of the equipment is achieved, and moisture in the equipment is reduced; the fertilizer surface is prevented from being too humid, the fertilizer is prevented from caking to influence the conveying effect, and the situation that the subsequent cleaning difficulty is increased due to the fact that the fertilizer is adsorbed on the surface of a component due to too humid fertilizer, and the service life of equipment is influenced due to the fact that the corrosion effect is easily increased due to too humid fertilizer is avoided; the grating plate plays a role in blocking fertilizer particles from entering, the ventilation effect is prevented from being affected, the conical block is designed to be of a conical structure, fertilizer flowing is increased through the inclination angle, and the fertilizer adsorption probability is reduced.

The invention discloses a dark golden velvet texture ceramic rock plate, base glaze and a preparation method of the dark golden velvet texture ceramic rock plate, the dark golden velvet texture ceramic rock plate is prepared from golden velvet base glaze materials, water, carboxymethyl cellulose and sodium tripolyphosphate according to the mass ratio of 100: 36: (0.1-0.2): (0.3-0.5) through mixing and ball milling; the gold velvet base glaze is prepared from the following components in parts by weight: 3-8 parts of wollastonite, 5-10 parts of dolomite, 10-15 parts of strontium carbonate, 2-5 parts of calcined talc, 30-40 parts of potassium feldspar, 5-10 parts of nepheline, 5-10 parts of calcined kaolin, 5-15 parts of quartz, 1-5 parts of white corundum, 3-8 parts of calcined zinc oxide and 10-15 parts of matte transparent frit; the matte transparent frit comprises the following components in percentage by mass: 55%-60% of SiO2, 12%-15% of AL2O3, 2%-3% of K2O, 3%-4% of Na2O and 20%-25% of CaO, and the burning vector of the matte transparent frit is 1%-5%. According to the scheme, the light transmittance of a glaze layer is improved, the transparency is improved, meanwhile, the surface gloss can be kept to be uniformly dispersed and is not clear, and the glaze touch feeling is soft like velvet.

The invention belongs to a lettuce special liquid fertilizer suitable for alkaline soil planting and a fertilizing method thereof. Comprising a component A and a component B. The component A comprises the following raw materials in parts by weight: 6-10 parts of a potash fertilizer, 4-7 parts of ammonium polyphosphate, 23-29 parts of liquid slow-release nitrogen, 7-15 parts of mineral fulvic acid, 4-8 parts of a soil pH buffer agent, 0.3-0.8 part of a penetrant, 0.7-2.0 parts of compound trace elements and 33-40 parts of water. The component B is prepared from the following raw materials in parts by weight: 4-10 parts of a soil loosening agent, 6.5-15 parts of a soil awakening agent, 0.6-2.0 parts of polyglutamic acid and 0.1-0.5 part of a penetrating agent; the fertilizer can regulate and improve alkaline soil and improve the absorption efficiency of the lettuce on nutrient elements and other nutrients at the same time, the effects of increasing yield and improving quality are achieved in a convenient fertilization mode and with a small dosage, and further deterioration of soil and waste of resources caused by use of conventional fertilizers are avoided.

The invention relates to the technical field of agricultural fertilizers, and discloses a special formula fertilizer for increasing the yield of spring corn, which comprises the following components in percentage by weight: 15-25% of nitrogen fertilizer, 20-35% of phosphate fertilizer, 20-35% of potash fertilizer and 1-2% of molybdenum-based catalyst, and also discloses a preparation method of the special formula fertilizer for increasing the yield of spring corn. Comprising the following steps: S1, mixing a nitrogen fertilizer, a phosphate fertilizer, a potash fertilizer and trace elements, and granulating by using a fluidized bed granulator, and discloses an application method of the special formula fertilizer for spring corn yield increase, and the application method comprises the following steps: base fertilizer application: 7-10 days before sowing, the fertilizer is uniformly spread, and the application amount per mu is 40 kg. By reasonably configuring the proportion of nitrogen, phosphorus and potassium and combining a nitrogen trapping catalyst, nitrogen-fixing microorganisms and a controlled-release material, the nutrient utilization rate is increased, the nitrogen loss is reduced, the stress resistance of crops and the soil health are enhanced, and the corn yield and the environmental protection property and the use efficiency of the fertilizer are remarkably improved.

The invention relates to the technical field of water-soluble fertilizer production, in particular to a slow-release polyglutamic acid water-soluble fertilizer and a preparation method thereof. The slow-release type polyglutamic acid water-soluble fertilizer is prepared from the following raw materials in parts by mass: 2 to 10 parts of polyglutamic acid master batch, 18 to 28 parts of nitrogen fertilizer, 12 to 22 parts of phosphorus fertilizer, 15 to 20 parts of potassium fertilizer, 4 to 16 parts of medium trace elements, 9 to 15 parts of polyglutamic acid fermentation liquor and 35 to 60 parts of slow-release coating agent, the slow-release coating agent comprises the following raw materials in parts by mass: 6-13 parts of lecithin, 2-4 parts of sodium thiosulfate, 8-18 parts of vegetable oil and 19-40 parts of a zinc oxide-loaded cellulose / chitosan-based composite material; according to the slow-release type polyglutamic acid water-soluble fertilizer and the preparation method thereof, the polyglutamic acid water-soluble fertilizer is subjected to coating treatment, so that nutrients in the fertilizer can be slowly and continuously released, the effective supply time of the nutrients is prolonged, and the utilization rate of the fertilizer is increased.

The invention relates to the technical field of crop cultivation, and discloses a matched cultivation method for strong gluten wheat seed production and application thereof.The method comprises the steps that soil improvement before sowing is conducted, specifically, deep ploughing, organic fertilizer and compound fertilizer application and medium trace element supplement are conducted; then optimizing fertilization management, and applying a potassium fertilizer by nitrogen and sulfur combined application, adjusting a nitrogen fertilizer application strategy and applying the potassium fertilizer by stages; then an optimized sowing technology is implemented; then, precise irrigation and moisture regulation are conducted, the irrigation opportunity and times are optimized, and moderate deficiency of the soil is kept in a specific period; and finally, carrying out comprehensive pest control in parallel or in corresponding stages in the whole growth cycle. By integrating key measures such as soil improvement, scientific fertilization, fine seed close planting, precise irrigation and comprehensive plant protection, a set of synergetic and efficient strong gluten wheat seed production technology system is established, the seed yield and quality are remarkably improved, and the problems of unstable quality, low nutrient utilization rate, water resource waste, insufficient pest control and the like are solved.

The invention discloses an alpine meadow ecological construction maintenance method, which relates to the technical field of ecological engineering, and comprises the following steps: cutting a meadow by using cutting equipment, and stripping by using stripping equipment; humus soil under meadows is collected after stripping; a meadow intelligent maintenance bin is used for carrying out stockpiling maintenance on the stripped meadow; humus collected after stripping is used for conducting back-laying recovery on the maintained meadow, in the growing period after back-laying of the meadow, potash fertilizer is applied to the meadow, and 1.5-2 kg of potash fertilizer is applied per 400 square meters. According to the construction and maintenance method, the survival rate of the meadow is increased, the construction cost is lower, the construction efficiency is higher, and scientific basis and technical reference can be provided for stripping, stockpiling, maintenance and laying-back work of the alpine meadow in different seasons.

The invention relates to the field of organic fertilizer production, in particular to an organic fertilizer, organic fertilizer production equipment and an organic fertilizer production method.The method comprises the following steps that firstly, organic fertilizer raw materials are introduced between two processing cavities; 2, the organic fertilizer raw materials are stirred through a stirring mechanism, and gas is introduced into the organic fertilizer raw materials in the stirring process of the stirring mechanism; 3, the organic fertilizer raw materials are kept fluffy in the mixing process; the invention relates to an organic fertilizer, which comprises the following raw materials by weight: 20-22 parts of straw; 15 to 18 parts of animal waste; 5-8 parts of plant ash; 2-6 parts of phosphate fertilizer, 5-8 parts of potash fertilizer and 2-6 parts of nitrogen fertilizer.

The invention discloses a microorganism-inorganic compound fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer preparation.The compound fertilizer is composed of a compound fertilizer A and a compound fertilizer B. The compound fertilizer A is prepared by adding glycerin into a microorganism bacterium solution and then loading with charcoal, and the charcoal and the glycerin can protect microorganisms and provide nutrition; good proliferation and growth of microorganisms are promoted; calcium bentonite is adopted to embed potash magnesium sulphate fertilizer to prepare granules to obtain a combined fertilizer B, and the calcium bentonite embedded potash magnesium sulphate fertilizer granules are treated to ensure that fertilizer components in the granules are slowly released at a constant speed within a long time; the potash magnesium sulphate fertilizer and the microorganisms are embedded and blended to prepare the combined fertilizer, the problem that the microorganisms and the potash magnesium sulphate fertilizer are incompatible is solved, the combined fertilizer A and the combined fertilizer B jointly act to provide nutrients for crops in the whole growth cycle, fertilizer waste is reduced, the fertilizer absorption rate is increased, meanwhile, the fertilization operation cost is reduced, and the production cost is reduced. Good application prospects are realized.

The invention provides a sylvite flotation reagent dosage dynamic control method. The sylvite flotation reagent dosage dynamic control method comprises the following steps that at least one ore pulp parameter and at least one foam image characteristic parameter of a sylvite flotation system are collected in real time; dynamically calculating a flotation reagent dynamic response coefficient required at the current moment based on the collected real-time parameters; according to the dynamic response coefficient of the flotation reagent, the adding amount of the flotation reagent is adjusted in real time; according to the method, the multi-dimensional key parameters are collected in real time, the dynamic response model integrating multi-parameter coupling, historical efficiency accumulation and process time delay correction is constructed, accurate and real-time adjustment of the drug dosage is achieved, meanwhile, the method has the model self-adaptive calibration capability, and the problems that in the prior art, control precision is low, and adaptability is poor are solved.

The utility model relates to a system for drying potash fertilizer by adopting gas coupled steam, which comprises a drying machine (1), a hot air device (2) and a dust removal device (3), the drying machine is provided with a feed port (12), a first steam inlet (152), a hot air inlet (162) and a waste gas outlet, and a steam heating pipe is arranged in a drying cavity and is respectively communicated with the first steam inlet and a condensate water outlet. The gas heating furnace is provided with a gas inlet (44) and a hot air outlet (46). And the first fan is communicated with the air inlet. The first hot air pipe communicates with the hot air outlet and the hot air inlet. And a second steam inlet (531) and a hot air outlet pipe (545) are arranged on the steam heater. The second fan communicates with the air inlet pipe, and the second hot air pipe communicates with the hot air outlet pipe and the hot air inlet. The dust removal device (3) is communicated with the waste gas outlet. The drying device can improve the drying efficiency of the wet potash fertilizer and improve the production efficiency.