282 results about "Potassium nitrate" patented technology

The invention discloses a potassium fulvate chelated macroelement water-soluble fertilizer with stress resistance and growth promotion functions, and relates to the technical field of water-soluble fertilizers, the potassium fulvate chelated macroelement water-soluble fertilizer comprises the following raw materials by weight: 167-210 parts of mineral source potassium fulvate, 450-460 parts of potassium nitrate, 300-310 parts of urea, 150-160 parts of potassium dihydrogen phosphate, 30-40 parts of potassium sulfate, 15-25 parts of EDTA-disodium, and 5-15 parts of citric acid. 0.5 to 1.5 parts of brassinolide and 4 to 6 parts of polyaspartic acid; according to the potassium fulvate chelated macroelement water-soluble fertilizer with the stress-resistant and growth-promoting functions, through chelation cooperation of potassium fulvate and nitrogen, phosphorus and potassium, the solubility of the chelated phosphorus element in water is increased, and the chelated phosphorus element can be more uniformly distributed in soil; by adopting an EDTA-disodium and citric acid composite chelating system, volatilization and loss of nitrogen elements are reduced, the problem of precipitation of calcium, magnesium and phosphorus is solved, and the soil conditioner is suitable for hard water areas and especially has outstanding performance in saline-alkali soil and arid areas.

The invention relates to the technical field of nitrate production, in particular to a potassium nitrate purification device which comprises a dissolving tank, a filtering device, a crystallization kettle, a centrifugal machine and a drying machine with a steam jacket which are sequentially connected in series through pipelines. The dissolving tank first jacket is connected with a heat source through a circulating pipeline; a liquid outlet of the centrifugal machine is sequentially connected with the cyclone separator, the ceramic membrane filter, the cationic resin column, the first temporary storage tank and the heat source, and the first heat exchanger and the second heat exchanger are sequentially installed between the first temporary storage tank and a heating medium inlet of the heat source. A steam outlet pipeline of the steam jacket is connected with a heat medium inlet of the first heat exchanger, the first heat exchanger is connected with the second temporary storage tank through a pipeline, and the second temporary storage tank is connected with the heat source through a pipeline. A pipeline of the second vacuum unit is connected with a thermal medium inlet of a second heat exchanger, and the second heat exchanger is connected with a second temporary storage tank. According to the method, the potassium nitrate purification efficiency, the product purity, the resource utilization rate and the energy economy are synergistically improved.

The invention discloses a compatible molybdenum-aluminum mixed acid etching solution which comprises the following components in percentage by mass: 4%-7% of nitric acid, 55%-65% of phosphoric acid, 17%-28% of acetic acid, 0.5%-3% of an oxidizing additive, 0.05%-5% of a metal corrosion inhibitor and 10%-20% of deionized water, and the oxidizing additive is ceric nitrate and at least one selected from sodium nitrate, potassium nitrate and ammonium nitrate; the etching liquid does not contain other organic components except for organic carboxylic acid and organic carboxylate. According to the compatible molybdenum-aluminum mixed acid etching solution, on the basis that ceric nitrate is introduced, the content of nitric acid is reduced, the nitrate ion concentration is increased by adding nitrate, the overall oxidation performance of an etching solution system is improved, the etching rate ratio of different metals is adjusted, CD-Bias is reduced, the etching dip angles of a molybdenum single layer and a molybdenum-aluminum laminated layer are controlled to be kept at 20-50 degrees, and the problem of aluminum thorns is solved. The invention further discloses a molybdenum-aluminum etching method based on the compatible molybdenum-aluminum mixed acid etching solution.

The invention discloses a biochar-reinforced hydrogel slow-release fertilizer and a preparation method thereof, and relates to the technical field of fertilizers. Comprising the following steps: S1, preparing sorghum straw biochar; s2, adding the sorghum straw biochar and a potassium nitrate and ammonium dihydrogen phosphate solution into a polymer monomer mixed solution to obtain a biochar gel mixed solution; s3, adding the genipin solution into the biochar gel mixed solution, stirring, performing ultrasonic treatment, freezing and unfreezing to obtain the biochar reinforced hydrogel slow-release fertilizer. Aiming at the technical defects of the hydrogel slow-release fertilizer, the performance of the hydrogel slow-release fertilizer is modified and enhanced by utilizing the biochar, and the biochar-enhanced hydrogel slow-release fertilizer is formed. The preparation method is simple in process and convenient to operate, the raw materials are cheap and easy to obtain, the cost is low, and the prepared biochar reinforced hydrogel slow-release fertilizer has the advantages of good slow-release performance, high water retention capacity and environmental stability, and is of great significance in popularization and application of the hydrogel slow-release fertilizer.

The invention relates to an invar alloy mask plate plasma nanometer polishing and thinning system and method, the system comprises a water tank (2), the water tank (2) is filled with a polishing solution (3) and an invar alloy mask plate (4), and the depth of the invar alloy mask plate (4) in the water tank (2) is controlled through a lifting system controller (5) and a lifting device (6); the polishing solution (3) comprises main salt, auxiliary salt and water; the main salt comprises (conductive electrolyte for generating plasma) 1-2% of potassium citrate and 1-2% of potassium nitrate; the auxiliary salt comprises a buffering agent, a thickening agent, a protective agent and a brightening agent. Through the synergistic effect of a special polishing solution formula and an optimization process, efficient and uniform thinning and nanoscale polishing of the ultrathin invar alloy mask plate are achieved, the surface flatness and environmental protection property are improved while the natural color gloss of metal is guaranteed and edge burning and salt residue are avoided, and the high-precision use requirement of the mask plate is met.

The invention provides an ion exchange device for producing potassium nitrate, which comprises a frame body, an upper seal head, a lower seal head and a tank body, an ion exchange medium is arranged in the tank body and is used for producing potassium nitrate through ion exchange, and the frame body is provided with an accommodating space for supporting the tank body; the tank body is a vertical tank, the upper portion and the lower portion of the tank body are provided with an upper sealing head and a lower sealing head respectively, the upper sealing head is provided with a first feeding port and a first discharging port, the lower sealing head is provided with a second feeding port and a second discharging port, the side face of the tank body is provided with an overflow port, the overflow port is additionally provided with a T-shaped wire winding pipe, a lining pipe is additionally arranged in the T-shaped wire winding pipe, and through holes are distributed in the circumferential direction of the lining pipe. And the flow area of the through hole is 2.5-4.5 times of the flow area of the overflow pipe. The T-shaped wire winding pipe is additionally arranged through the overflow port, the structure of the T-shaped wire winding pipe is improved, the lining pipe is additionally arranged in the wire winding pipe, the through hole is formed in the wire winding pipe, and compared with the mode that only the T-shaped wire winding pipe is additionally arranged, the technical effect that the resin loss is reduced while it is guaranteed that liquid is discharged thoroughly can be achieved.

The application discloses a preparation method and application of a zirconium dioxide loaded iridium oxide nanocluster oxygen evolution electrocatalyst. A mixed solution of zirconium salt, amide solvent and organic acid is prepared, and the mixed solution is kept at 120 DEG C for 24 hours; after cooling, the white product is separated, washed and dried. Then, the product and iridium salt are dispersed in a mixed solution of tetrahydrofuran and water, and sodium nitrate and potassium nitrate aqueous solution are added under stirring; after stirring, rotary evaporation is carried out at 60 DEG C, and the greenish powder obtained after drying is vacuum dried at 60 DEG C for 12 hours; the greenish powder is kept in a muffle furnace at 450 DEG C for 30 minutes, and then cooled in air; the greenish powder is washed with deionized water and anhydrous ethanol for multiple times, and finally vacuum dried at 60 DEG C for 12 hours. The zirconium dioxide loaded iridium oxide material based on oxygen overflow stable tetragonal zirconia can be specially applied to an electrocatalyst for an oxygen evolution reaction in an acidic electrolyte, has excellent oxygen evolution reaction activity, follows a lattice oxygen mechanism in the reaction process, and can realize an oxygen overflow effect from tetragonal zirconia to iridium oxide nanoclusters to stabilize the catalyst.

The invention discloses a low-energy-consumption crystallization purification method of high-purity molten salt-grade potassium nitrate, and belongs to the technical field of purification of inorganic chemical materials. The method comprises the steps of raw material pretreatment directional impurity removal, multi-stage gradient crystallization, mother liquor graded circulation and low-temperature drying, in the raw material pretreatment stage, impurity concentration online detection and dynamic pH regulation are combined, a chelating agent, an oxidizing agent and an adsorption flocculant are added step by step, precise directional removal of metal impurities and suspended solids is achieved, and the product purity is improved; a multi-stage gradient crystallization process combining gradient temperature control and sectional controllable cooling is adopted, and the crystallization efficiency is improved in cooperation with a crystal form regulating agent; a mother liquor graded circulation and drying waste heat recovery system is matched, so that the mother liquor utilization rate is increased, and the production energy consumption is reduced.

The application provides a method for promoting mist culture rooting of Pinus squamaeformis, and relates to the technical field of Pinus squamaeformis cutting propagation. The method for promoting mist culture rooting of Pinus squamaeformis comprises the following steps: soaking Pinus squamaeformis cuttings in a citric acid solution in an ice water bath, disinfecting the cuttings, and treating the cuttings with a rooting agent; and then performing mist culture on the cuttings by adding a nutrient agent containing calcium nitrate, potassium nitrate, magnesium sulfate, copper sulfate, indole butyric acid, sodium phytate and lauryl alcohol polyether-4. The method overcomes the shortcomings of the prior art, effectively promotes rapid rooting of Pinus squamaeformis branches, guarantees the growth of root systems, provides a fast and convenient method for stable seedling raising of Pinus squamaeformis, and guarantees artificial breeding of Pinus squamaeformis.

The invention discloses a nutrition regulating agent for regulating the mature period of citrus fruits and application of the nutrition regulating agent. The nutrition regulating agent is prepared from potassium nitrate, monopotassium phosphate, magnesium sulfate, ferric sodium ethylenediaminetetraacetate, zinc sodium ethylenediaminetetraacetate, boric acid, ammonium molybdate, gibberellin, abscisic acid and diatomite which is supplemented to 100 parts. The invention further provides a preparation method of the nutrition regulating agent and application of the nutrition regulating agent in regulating the mature period of citrus fruits, and the application mode is that when the diameter of the citrus fruits is 40-50 mm, the preparation is diluted by 600-800 times to be sprayed on leaf surfaces, once every 7 days and twice continuously. Through the synergistic effect of mineral nutrient elements and low-concentration hormones, bidirectional precise regulation and control of the citrus mature period are achieved, fruits can be promoted to mature in advance or later for 7-15 days, the sugar-acid ratio and color of the fruits can be remarkably improved, meanwhile, the problems of tree vigor decline and quality decline caused by single hormone treatment are solved, and the method is suitable for large-scale popularization and application. The method has the characteristics of high efficiency, safety and simple operation.

The invention relates to the technical field of zinc hydrometallurgy, and discloses an analysis method for measuring high cobalt content by an EDTA complexing back titration method, which is based on the following steps: oxidizing Co < 2 + > into Co < 3 + > by using potassium nitrite in an acetic acid medium to form cobalt potassium nitrite precipitate so as to realize separation of cobalt and interfering ions, dissolving the precipitate, complexing with excessive EDTA, and performing back titration by using a zinc standard solution. Xylenol orange is used as an indicator, and determination is completed at room temperature in a hexamethylenetetramine buffer system with the pH value being approximately equal to 5.8. Coexisting ion interference is effectively eliminated through tartaric acid, sodium fluoride, thiourea and other masking agents, the method has the advantages of being easy and convenient to operate, sensitive in end point, high in accuracy and low in cost, and the requirement for conventional analysis of high-cobalt materials can be met.

The utility model relates to a potassium nitrate crystallization device and belongs to the technical field of potassium nitrate production and processing. The device mainly comprises a tank body, a stirring assembly, a heat exchange tube group, an anti-scaling wall-scraping mechanism and a discharging assembly, a conical flow guide part is arranged at the bottom of the tank body; the heat exchange efficiency of the heat exchange tube group is enhanced through fins; the anti-scaling wall scraping mechanism removes crystals through a scraping plate; the stirring assembly optimizes liquid flowing;

The invention discloses an areca-nut solid fertilizer for improving the content of catechin and precise nutrition of areca-nuts and application of the areca-nut solid fertilizer, and belongs to the technical field of fertilizer preparation. The preparation method comprises the following steps: mixing cassava straws, cassava residues, hermetia illucens sand, calcium superphosphate, quick lime and zymophyte, and carrying out first composting fermentation to obtain a first fermented product; and adding macroelements containing monopotassium phosphate, potassium nitrate, urea, calcium carbonate and magnesium sulfate in a specific proportion, microelements containing boron, zinc, copper, iron and manganese in a specific proportion and bacillus subtilis into the first fermented product, carrying out second composting fermentation, and carrying out aging treatment to obtain the betel nut solid fertilizer. The prepared betel nut solid fertilizer can accurately provide nutrients according to the requirements of betel nuts for various nutrient elements, and negative effects on soil due to excessive nutrient elements are avoided; meanwhile, the content of areca catechin is increased, and the nutritional value of the areca catechin is enhanced.

This invention belongs to the field of glass technology and relates to a high-temperature resistant structural glass material, its preparation method, and its applications. The glass is composed of the following components by mass percentage: 60%-70% silicon dioxide, 5.5%-11% boric acid, 0.1%-5% aluminum hydroxide, 0%-3% potassium nitrate, 5.5%-13% potassium carbonate, 0%-12% sodium carbonate, 0.1%-4% calcium carbonate, 0%-2% calcium fluoride, 0%-1% lithium carbonate, 0%-2% basic magnesium carbonate, 0.1%-1% titanium dioxide, 0%-2% zirconium dioxide, and 0%-1% cerium dioxide; the total mass percentage of potassium nitrate, potassium carbonate, sodium carbonate, and lithium carbonate does not exceed 22%. This structural glass possesses a high softening temperature, a suitable coefficient of thermal expansion, high-temperature resistance, thermal shock resistance, and processing performance, making it suitable as a structural material for optoelectronic devices.

The invention belongs to the technical field of water-soluble fertilizer preparation, and particularly relates to a water-soluble biochar base fertilizer, which is prepared from the following raw materials in parts by mass: 30 to 40 parts of composite modified biochar, 15 to 20 parts of urea, 10 to 20 parts of potassium nitrate, 10 to 15 parts of sodium borate, 2 to 5 parts of copper sulfate, 0.5 to 1 part of zinc sulfate and 0.5 to 1 part of microbial agent. The surface of the biochar contains more oxygen-containing functional groups due to the excellent porous adsorption structure of the biochar, so that soil adsorbs a large number of positive ions, the cell biological permeability is improved, the photosynthesis of plants is enhanced, the nutrient and moisture absorption capacity of plant root systems is enhanced, and the yield and income of food crops and commercial crops are increased by matching with other nutritional ingredients.

This invention relates to the field of fertilizer technology, specifically to an organic liquid fertilizer based on straw enzymatic hydrolysate and its preparation method. The method includes: pretreating corn straw with potassium hydroxide, followed by enzymatic hydrolysis with cellulase and xylanase to obtain the enzymatic supernatant; sequentially treating the supernatant with an ultrafiltration membrane with a molecular weight cutoff of 3000 Da and a nanofiltration membrane with a molecular weight cutoff of 500 Da to collect oligosaccharides with a molecular weight window of 500-3000 Da; partially stabilizing the reducing end of the oligosaccharides with sodium borohydride; pre-complexing with boric acid at pH 8.4-8.8; then sequentially adding relatively low molecular weight sodium polyglutamate, calcium chloride dihydrate aqueous solution, and ultra-high molecular weight sodium polyglutamate to construct a sequential complexation system; subsequently adding potassium nitrate and citric acid aqueous solution; and finally, after filtration at 5 μm and heat treatment at 70℃, obtaining the organic liquid fertilizer. This fertilizer has a high proportion of 500-3000 Da oligosaccharides and a low reducing sugar equivalent, inhibiting storage precipitation and browning, and improving the retention rate of extractable oligosaccharides in the soil.

The invention relates to the technical field of new energy and mining and blasting, in particular to a preparation method of a biomass instantaneous cracking agent. The preparation method comprises the following steps: mixing biomass powder, pulverized coal, an oxidant, a catalyst and a release agent to obtain mixed powder; mixing the adhesive, the water and the preservative to prepare a glue solution; the glue solution and the mixed powder are kneaded, granulated and dried, and the biomass instantaneous cracking agent is obtained, the biomass powder accounts for 4-55 parts by mass, the pulverized coal accounts for 0-48 parts by mass, the oxidizing agent accounts for 0-45 parts by mass, the catalyst accounts for 0-20 parts by mass, the release agent accounts for 0-2.5 parts by mass, the adhesive accounts for 2-10 parts by mass, the preservative accounts for 0-0.15 part by mass, and the oxidizing agent and the catalyst are not 0 at the same time; the oxidizing agent is potassium peraluminate powder and / or ammonium perchlorate powder; the catalyst is potassium nitrate powder and / or sodium nitrate powder. The biomass instantaneous cracking agent prepared by the invention solves the problems of long stone cracking time, low efficiency and environmental pollution of the existing stone cracking agent.

The present application provides a kind of nitromethane tail gas treatment method, comprising the following steps: sodium hydroxide or potassium hydroxide aqueous solution and low-grade fatty diol and organic base miscible to form mixed solution after preheating, then nitromethane tail gas is passed into mixed solution and reacts, reaction end product is separated and purified to obtain corresponding sodium nitrite or potassium nitrite product.The present application also provides a kind of nitromethane production method, including the sodium nitrite or hydrogen potassium obtained above as raw material to recycle production nitromethane.The method of the present application solves the problem of nitromethane tail gas treatment, also can turn waste into treasure, reduce production cost, conducive to nitromethane production and environmental protection.

The present application relates to nitrate production technical field, specifically to a kind of potassium nitrate purification device, including the dissolution tank, filter device, crystallization kettle, centrifuge in series by pipeline sequentially, and with steam jacket dryer.The first jacket of dissolution tank is connected heat source by circulation pipeline;Centrifuge liquid outlet is sequentially connected cyclone separator, ceramic membrane filter, cation resin column, first temporary storage tank, heat source, and first heat exchanger, second heat exchanger are sequentially installed between the heat medium import of first temporary storage tank and heat source.Steam outlet pipeline of steam jacket is connected the hot medium import of first heat exchanger, and first heat exchanger is connected second temporary storage tank by pipeline, and second temporary storage tank is connected heat source by pipeline again.Dryer waste gas is connected second vacuum unit, and second vacuum unit pipeline is connected the hot medium import of second heat exchanger, and second heat exchanger is connected second temporary storage tank.The present application realizes the synergistic promotion of potassium nitrate purification efficiency, product purity, resource utilization and energy economy.

The present application belongs to the technical field of tobacco leaf fertilizer, and provides a tobacco leaf fertilizer for improving oil content and anti-epidemic ability of tobacco leaves, which comprises water and active ingredients, wherein the active ingredients comprise the following components in parts by weight: 240-300 parts of sodium humate, 40-60 parts of potassium nitrate, 15-30 parts of magnesium sulfate heptahydrate, 1-2 parts of striga lactone, 5-8 parts of N-succinylated chitosan, and 1000-1400 parts of tobacco stem enzymolysis fermentation product. The leaf fertilizer can significantly improve the oil content of tobacco leaves, and the required content of active ingredients is low when the leaf fertilizer is applied, thereby reducing the application cost. Meanwhile, the leaf fertilizer can also significantly improve the disease control ability of tobacco, and has good popularization and application value.

The invention belongs to the technical field of nylon 66 polymer performance testing, and particularly relates to a method for simultaneously testing the content of iodide ions and bromide ions in a nylon 66 polymer, which comprises the following steps of: extracting the iodide ions and the bromide ions in the polymer by using weak acid salt (sub-carbonate or bicarbonate) instead of potassium nitrate as an ionic strength regulator; the acid environment in the extracted solution is adjusted with formic acid, silver nitrate is adopted as a titrant, iodide ions and bromide ions in the extract liquor are detected at the same time through potentiometric titration, and the problem that the iodide ions and the bromide ions cannot be detected at the same time is solved.

The application provides a preparation method of a two-dimensional Ru-Mn3O4 lithium-sulfur battery positive electrode catalyst and application thereof, and belongs to the field of nanometer material preparation. First, alanine, potassium nitrate, a manganese salt and a ruthenium salt are put into a grinding device, deionized water is added for grinding, and then drying is performed; then, preheating is performed through a heating device, and then calcination is performed; finally, the two-dimensional Ru-Mn3O4 lithium-sulfur battery positive electrode catalyst is obtained after washing and separation. The two-dimensional Ru-Mn3O4 lithium-sulfur battery positive electrode catalyst material prepared by the method has low cost, high efficiency, can fully exert the synergistic advantages of element doping and two-dimensional structure, and can significantly improve the application performance in lithium-sulfur batteries.

The invention discloses a preparation method of a nitrogen-sulfur co-doped lignin-based hierarchical porous carbon material and supercapacitor energy storage application, and belongs to the technical field of preparation methods and application of porous carbon materials, and the preparation method comprises the following steps: (1) dropwise adding an ammonium sulfate solution into sulfate pulping black liquor, and adjusting the pH value, after standing reaction, drying to obtain ammonium sulfate precipitated lignin; (2) uniformly mixing lignin with potassium tartrate and potassium nitrate, drying and grinding to obtain a mixture; and (3) pyrolyzing the mixture in an inert atmosphere, washing the carbonized product with dilute acid, filtering, and drying to obtain the porous carbon material. Potassium tartrate promotes formation of graded pores through the mild pore-forming effect, and the foaming effect of potassium nitrate can inhibit formation of coal tar and excessive carbon skeleton etching in the pyrolysis process. The supercapacitor electrode material prepared from the porous carbon has high specific capacitance, excellent cycling stability and high energy density.

The present application relates to the technical fields of catalyst design and ammonia synthesis, and discloses a preparation method of a pyrazole trinuclear cobalt-based catalyst, which comprises the following steps: step 1, dissolving a metal cobalt compound in water to obtain a first mixed solution, dissolving a pyridine molecule in a mixed organic solution to obtain a second mixed solution, mixing and stirring the first mixed solution and the second mixed solution, and then transferring the mixture to a high-vacuum reaction tube, and then placing the high-vacuum reaction tube in an oil bath to perform a solvothermal reaction; step 2, after the solvothermal reaction is completed, washing, centrifuging and drying the obtained substance to obtain a trinuclear cobalt-based compound powder. The present application uses nitrate as a nitrogen source, a pyrazole cobalt-based compound as a catalyst, and a mixture of potassium sulfate and potassium nitrate as an electrolyte, and effectively synthesizes ammonia through electrochemical reduction. The catalyst exhibits high Faraday efficiency and high yield under high-concentration nitrate conditions.

A patch composition for targeting herpes virus comprising the following ingredients: a patch base, trisodium phosphate, malic acid, sorbitol, sodium benzoate, cellulose gum, peppermint, sodium saccharin, naringin, wind wheel grass extract, xanthan gum, polyethylene glycol-8, calcium carbonate, hydroxyethyl cellulose, hydroxypropyl guar gum, sodium nitrate, hydrated silica, sodium lauryl sulfate, strontium chloride hexahydrate, tranexamic acid, two-faced needle extract, sodium monofluorophosphate, sea salt, potassium nitrate, sodium chloride, and purified water q.s.

The invention relates to the technical field of chemical analysis and detection, in particular to a method for detecting iodide ions in nylon slices. The method for detecting the iodide ions in the nylon slices comprises the following steps: placing the nylon slices in a microwave digestion tank, adding a potassium sulfate aqueous solution with the mass concentration of 0.9-1%, placing the nylon slices in a microwave digestion instrument for digestion, cooling after digestion is finished, and recording the nylon slices as a sample A; and directly introducing the prepared test solution A into an inductively coupled plasma emission spectrometer for determination, and calculating through an iodide ion standard curve to obtain the actual iodide ion content in the sample. According to the method for detecting the iodide ions in the nylon slices, only one-time microwave digestion is needed, multiple times of transfer or complex reaction are not needed, the extraction efficiency is high, and operation is easy; meanwhile, potassium nitrate is replaced by potassium sulfate, so that the accuracy and repeatability of a measurement result are further improved.

The invention discloses a rapid propagation rooting culture medium for peony seed tissue culture and a culture method, and belongs to the technical field of plant tissue culture. The rapid propagation rooting culture medium takes 1 / 2 MS as a basic culture medium, and further comprises the following components: ammonium nitrate, potassium nitrate, calcium chloride, magnesium sulfate, monopotassium phosphate, a carbon source, kinetin and a curing agent. By adding kinetin into the culture medium, dependence of peony seed tissue culture seedlings on low-temperature treatment is broken, low-temperature pretreatment necessary in a traditional method is avoided, the peony seed tissue culture process is greatly simplified, the culture period is shortened, the rooting rate and the root strengthening rate are increased, the rooting rate is stabilized to be 95% or above, and the rooting rate is stabilized to be more than 95%. Technical support is provided for establishment of a new peony seed tissue culture and rapid propagation technology, and a material foundation is laid for promotion of peony seed tissue culture and rapid propagation factorization.

The utility model discloses rapid potassium nitrate separating, washing and processing equipment, belongs to the technical field of separating, washing and processing, and can effectively realize rapid separation of light and heavy particles and avoid the situation that the light and heavy particles cannot be effectively separated in a washing drum. The rapid potassium nitrate separating, washing and processing equipment comprises a washing cylinder, a collecting funnel is installed at the bottom of the washing cylinder in a communicating mode, a butterfly valve assembly is installed at the bottom of the collecting funnel, a support is installed at the bottom of the washing cylinder, and a separating and washing cavity is formed in the washing cylinder and the collecting funnel; a filter screen is installed at the position, close to the bottom, of the separation washing cavity, a stirring assembly for assisting separation is installed on the filter screen, and a water inlet assembly for assisting liquid inlet is installed at the middle section of the washing cylinder; a discharging pipe is obliquely installed on the side edge of the collecting funnel and corresponds to the top of the filter screen, an overflow groove is formed in the top of the washing cylinder, a liquid outlet pipe is installed on the side edge of the washing cylinder and is close to the top, and the liquid outlet pipe is communicated with the overflow groove.

The invention discloses a water-soluble fertilizer for promoting swelling and coloring of crop fruits. The water-soluble fertilizer is prepared from the following raw materials: 30 to 50 parts of herba portulacae fermentation liquor, 15 to 25 parts of potassium nitrate, 10 to 20 parts of monopotassium phosphate, 2 to 8 parts of chelated trace elements, 2 to 4 parts of polyglutamic acid, 1 to 3 parts of compound sodium nitrophenolate and 1 to 3 parts of betaine. The invention belongs to the technical field of agricultural fertilizers, and particularly provides a water-soluble fertilizer for promoting fruit swelling and coloring of crops, which is characterized in that inert precursor substances in purslane are converted into efficient active components by a fermentation technology, and alpha-linolenic acid derivatives generated by fermentation of the purslane stimulate expression of relaxation proteins in fruit cell walls to achieve a fruit swelling effect.

The invention discloses a carbon-based biological liquid organic water-soluble fertilizer as well as a preparation method and application thereof, and belongs to the technical field of biological organic fertilizers. The water-soluble fertilizer comprises the following raw materials in parts by weight: 15-25 parts of a seaweed extract, 10-15 parts of potassium fulvate, 5-10 parts of a compound microbial agent, 3-5 parts of potassium dihydrogen phosphate, 2-4 parts of potassium nitrate, 2-3 parts of urea, 2-3 parts of calcium nitrate, 1-2 parts of magnesium sulfate heptahydrate, 1-1.5 parts of a trace element-containing substance, 1-2 parts of sodium dodecyl benzene sulfonate and 0.5-1 part of potassium sorbate. The total amount of the components is 100 parts. According to the invention, three strains such as pseudomonas sevivaldi, bacillus pumila and bacillus thuringiensis are screened to play roles in three dimensions of promoting growth, improving rhizosphere environment and preventing and treating diseases and insect pests respectively, and are combined with organic components such as seaweed extract and potassium fulvate in the fertilizer and other components, so that the fertilizer has a good application prospect. A comprehensive system of nutrition, growth promotion, disease resistance and quality improvement is formed, and the yield and quality of grapes are remarkably improved.