CN105622272A - Suspension-type bactericide liquid medicine fertilizer and preparation method thereof - Google Patents
Suspension-type bactericide liquid medicine fertilizer and preparation method thereof Download PDFInfo
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- CN105622272A CN105622272A CN201610085632.1A CN201610085632A CN105622272A CN 105622272 A CN105622272 A CN 105622272A CN 201610085632 A CN201610085632 A CN 201610085632A CN 105622272 A CN105622272 A CN 105622272A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
Abstract
The invention discloses suspension-type bactericide liquid medicine fertilizer and a preparation method thereof. The suspension-type bactericide liquid medicine fertilizer comprises nitrogen fertilizer, phosphorous fertilizer, potassium fertilizer, trace element fertilizer, bactericide, emulsifier, dispersant, filler, defoamer, antifreezing agent, thickener and water and further comprises pH regulator. Medicine and fertilizer are combined in a form of a suspending agent; through joint action of reasonable formulation, proper auxiliary and good processes of an ultramicro grinding machine and a high-speed dispersing machine, stability, uniformity and fluidity of the medicine fertilizer are high, degradation rate is low, and the medicine fertilizer can be maintained being free of layering and precipitating for half a year; the process is simple and reasonable, material grinding size is shortened as much as possible, energy consumption is low, and the medicine fertilizer is suitable for industrialized production.
Description
Technical field
The present invention relates to a kind of floating type bactericidal fluid medicine fertilizer and preparation method thereof, belong to agricultural medicine fertilizer technology field.
Background technology
Agricultural production be unable to do without medicine, fertilizer, but is all in most cases that medicine, fertilizer are singly executed, and wastes a lot of work, time cost. Medicine fertilizer is not new ideas, and as far back as the eighties in last century, the medicine fertilizer investigative technique of Japan has just tended to ripe. Last century the mid-1960s, U.S. scientific research personnel finds year grass net energy strong inhibition Nitrification and Denitrification, reduces the loss of nitrogen, moreover it is possible to strengthen biological nitrogen fixation. As can be seen here, medicine, fertilizer combine and can mutually promote. Patent 95113702.6 medicine fertilizer for plant growing, it is proposed to medicinal chemical fertilizer concept, utilizes fertilizer metal ion to play parasite killing, sterilization, preventing disease theraping effect, and its result is not necessarily desirable; Patent 98112626.X Pesticidal foliage fertilizer and production technology thereof, though all-natural product high effect nontoxic, but owing to environmental factors is easily decomposed, cause that drug effect is not long, and cannot ensure during foliage-spray that pesticide is effectively held on blade face and stay, and concentration of fertilizer is relatively low. Therefore, finding the fertile reasonable dosage form of medicine is the important point playing pesticide efficacy, ensures that its stability is the key of medicine fertilizer formulation development.
The stability fertile in order to ensure medicine, generally uses thickening agent to increase system viscosity, it is prevented that particles sink in prior art; Utilize SURFACTANT ADSORPTION to form " sterically hindered " around granule and stop granule coalescence, or form electric double layer thickness, increase the electrostatic repulsion of particle surface, mutually exclusive close particle, finally solve precipitation, lamination problem. Often using clay mineral in foreign patent, viscosity contribution rate is low, and requires that standing time can not be long; Domestic patent adopts cellulose family, xanthan gum, polyglutamic acid, activated clay composition composite suspension agent, to improve viscosity, but only can not be fully solved stable system sex chromosome mosaicism by interpolation thickening agent. It addition, solid particle is more in the two suspension system, also it is unfavorable for that suspension type liquid medicine fertilizer keeps good stability in storage process.
Summary of the invention
It is an object of the present invention to provide a kind of floating type bactericidal fluid medicine fertilizer and preparation method thereof, this medicine fertilizer adopts suspending agent dosage form, by adopting rational formula, suitable auxiliary agents compatibility, makes the medicine fertilizer can long storage time, precipitated and separated ratio is in allowed band, thus ensureing product quality.
A kind of floating type bactericidal fluid medicine provided by the invention is fertile, and it includes nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, trace-element fertilizer, antibacterial, emulsifying agent, dispersant, filler, defoamer, antifreezing agent, thickening agent and water.
In above-mentioned floating type bactericidal fluid medicine fertilizer, described floating type bactericidal fluid medicine fertilizer also includes pH adjusting agent.
Above-mentioned floating type bactericidal fluid medicine is fertile, and in parts by weight, it is made up of following component:
Phosphate fertilizer, potassium element that nitrogenous fertilizer that nitrogen element is 5��20 parts, P elements are 20��60 parts are the potash fertilizer of 5��20 parts, 2��10 parts of trace-element fertilizers, 1��8 part of antibacterial, 1��5 part of emulsifying agent, 2��8 parts of dispersants, 1��5 part of filler, 0��50 part of pH adjusting agent, 0.2��1 part of defoamer, 1��8 part of antifreezing agent, 0.1��0.7 part of thickening agent and 30��70 parts of water.
Suspending agent is with water for medium, by some auxiliary agent, pulverized by sand milling, the solid material being insoluble or poorly soluble in water is scattered in water uniformly, forms the tiny higher suspension of a kind of granule, flowable stable liquid-solid state system, there is particle diameter little, good dispersion, good fluidity, suspensibility are high, biological activity is high, using dosage is little, resistance of rainwater washing against, remain low, to features such as people and animals' low toxicities. Medicine fertilizer of the present invention adopts suspending agent dosage form, macroelement fertilizer and trace-element fertilizer is dispersed in water, not only can play the activity of antibacterial, also has the feature of water soluble fertilizer.
In above-mentioned floating type bactericidal fluid medicine fertilizer, in parts by weight, described floating type bactericidal fluid medicine fertilizer concretely following 1)-9) in any one:
1) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 0��10 part of pH adjusting agent, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
2) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 0��5.0 part of pH adjusting agent, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
3) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 5.0��10 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
4) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 2.5��7.5 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
5) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 0 part of pH adjusting agent, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
6) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 2.5 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
7) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 5.0 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
8) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 7.5 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
9) nitrogen element be 10 parts nitrogenous fertilizer, P elements be 35 parts phosphate fertilizer, potassium element be 10 parts potash fertilizer, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 10 parts of pH adjusting agents, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water.
In above-mentioned suspension bactericidal fluid medicine fertilizer, the parts by weight of described pH adjusting agent meet the fertile pH value of suspension type liquid medicine between 3.0��7.0, it is preferably 4.0��6.0, by regulating the parts by weight of described pH adjusting agent, regulate the fertile pH value of described liquid medicine between 3.0��7.0, concretely 3.05��6.96,3.05,3.55,4.33,5.08,5.97,6.36 and 6.96, in different acid or alkali environments, each material dissolution degree differs, and affects the ability of the rheological characteristic of system, viscoelasticity and prevention particles sink further; And institute's adding assistant also has suitable pH scope.
By controlling suitable solid particle percentage ratio, fluid present invention medicine fertilizer can being made more stable, not easily precipitate, in described liquid medicine fertilizer, solid particle percentage ratio can be 20%��60%, concretely 25%; Wherein, particle diameter is that the solid particle of 10��50 ��m accounts for 90%.
In above-mentioned suspension bactericidal fluid medicine fertilizer, described nitrogenous fertilizer can be any one in urea-ammonium nitrate solution, carbamide and liquefied ammonia;
Described phosphate fertilizer can be at least one in MAP, Diammonium phosphate (DAP), calcium superphosphate, APP, potassium dihydrogen phosphate and phosphite;
Described potash fertilizer can be at least one in potassium nitrate, potassium sulfate, potassium chloride and potassium dihydrogen phosphate;
Described trace-element fertilizer can be at least one in ammonium molybdate, copper nitrate, boric acid, Borax, manganese sulfate, manganese nitrate, zinc sulfate, zinc oxide and ferrous sulfate.
In above-mentioned suspension bactericidal fluid medicine fertilizer, described antibacterial can be at least one of cyprodinil, thifluzamide, carbendazim, Propamocarb, Tebuconazole, phosethyl-Al and mould prestige.
In above-mentioned suspension bactericidal fluid medicine fertilizer, described emulsifying agent can be that agriculture breast series is (such as agriculture breast 500: calcium dodecyl benzene sulfonate, agriculture breast 100: alkylphenol polyoxyethylene, agriculture breast 300: dibenzyl phenol polyoxyethylene ether, agriculture breast 400: benzyl dimethyl phenol polyethenoxy ether, agriculture breast 600: phenyl phenol polyoxyethylene ether, agriculture breast 600-2: phenylpropyl phenethyl phenol polyethenoxy ether, Nongru-700: alkyl phenol formaldehyde resin polyoxyethylene ether, Nongru-700-2: cumylphenol formaldehyde resin polycyclic oxygen ethylether, agriculture breast 1600: phenethyl phenol polyoxyethanyl polyoxyethyl propyl ether etc.), double, two methyl naphthalene sulfonic acid sodium (such as MorwetM), diisobutyl sodium naphthalene sulfonate (such as Nekal BX), disecoctylmaleate sodium sulfonate (such as penetrant t), sodium methylene bis-naphthalene sulfonate (NNO), polyacrylamide, at least one in poloxalkol (such as YUS-5050BP) and polyoxyethylene (such as YUS-FS1),
Described dispersant can be WLNOUK (alkyl sulfonates complex, Wei Laihuinan company), sodium hexameta phosphate, potassium pyrophosphate, alkylnaphthalene sulfonate formaldehyde condensation products block copolymer is (such as MorwetD-500, Akzo Nobel N.V.), Agrilan752 (double, two pectination weak anionic polymer: the copolymer that alpha-olefin and dicarboxylic ester are formed, Akzo Nobel N.V.), EthylanNS-500lq (Akzo Nobel N.V., non-ionic hydroxyl polyethylene oxide block copolymer, EO/PO ratio is 1:1.71, pH value 6.5-7.5), yellow acyl group calcium succinate (such as YUS-EP60P), at least one in poloxalkol (such as YUS-5050BP) and polyoxyethylene (YUS-FS1),
Described filler can be at least one in Kaolin, Attagel, montmorillonite, kieselguhr, bentonite, attapulgite, and particle diameter is 500��2500 orders, namely 5��25 ��m;
Described pH adjusting agent can be sulphuric acid, phosphoric acid, citric acid, potassium citrate or potassium hydroxide;
Described defoamer can be at least one in capryl alcohol, polyoxyethylene sorbitan monooleate dehydration (such as Tween 80), organic silicon defoamer (linear polysiloxane is the defoamer of active component) and tributyl phosphate;
Described antifreezing agent can be at least one in ethylene glycol, glycerol and Polyethylene Glycol;
Described thickening agent can be at least one in polyvinyl alcohol, sodium carboxymethyl cellulose, xanthan gum, arabic gum, white carbon and aluminium-magnesium silicate.
Invention further provides the preparation method that a kind of above-mentioned suspension bactericidal fluid medicine is fertile, comprise the steps:
(1) under agitation, described potash fertilizer, P elements that described nitrogenous fertilizer that mixing nitrogen element is 5��20 parts, potassium element are 5��20 parts are the described phosphate fertilizer of 0��20 part and 20��50 parts of water, obtain saturated mother solution;
(2) under agitation, mixing P elements is the described phosphate fertilizer of 20��40 parts, 2��10 parts of described trace-element fertilizers, 1��5 part of described dispersant, 0.2��1 part of described defoamer, 1��5 part of described filler and 10��20 parts of water, obtains solidliquid mixture;
(3) under agitation, 1��8 part of described antibacterial, 1��3 part of described dispersant, 1��5 part of described emulsifying agent of mixing;
(4) material that blend step (2) and step (3) obtain, grinds;
(5) by mixing of materials dispersion polished with step (4) for the saturated mother solution obtained in step (1), and add 0.1��0.7 part of described thickening agent, 0.2��1 part of described defoamer and 1��8 part of described antifreezing agent, obtain described suspension bactericidal fluid medicine fertile.
In above-mentioned preparation method, in step (5), after adding described antifreezing agent, also include 0��10 part of described pH adjusting agent of addition, regulate the step of pH value to 3.0��7.0.
In above-mentioned preparation method, what obtain in step (1) is saturated mother solution, what obtain in step (2) is solidliquid mixture, what step (3) obtained is the antibacterial after emulsifying, by dispersed with stirring respectively, the product of only grinding steps (2) and step (3) in step (4), the grinding cost in later stage can be greatly reduced, wherein, the volume of the saturated mother solution that step (1) obtains accounts for 30%��70% that floating type bactericidal fluid medicine of the present invention is fertile, the volume of the solidliquid mixture that step (2) obtains accounts for 30%��70% that floating type bactericidal fluid medicine of the present invention is fertile.
Above-mentioned preparation method, step (1) and in step (2), the rotating speed of described stirring can be 1000��2000 revs/min, concretely 1000��1500 revs/min, 1000 revs/min or 1500 revs/min; Time can be 10��30 minutes, concretely 15��20 minutes, 15 minutes or 20 minutes.
Above-mentioned preparation method, in step (3), the rotating speed of described stirring can be 1000��3000 revs/min, concretely 3000 revs/min; Time can be 10��40 minutes, concretely 10 minutes.
Above-mentioned preparation method, in step (4), described grinding adopts ultramicro-grinder, and the time can be 10��40 minutes, concretely 30 minutes; Rotating speed can be 1500��6000 revs/min, concretely 4000 revs/min;
After grinding, the particle diameter of the mixed material of 90% mass percent is 10��50 ��m, and viscosity is 500��3000mPa s.
Above-mentioned preparation method, in step (5), described dispersion adopts high speed dispersor, and rotating speed can be 2000��4000 revs/min, concretely 3000 revs/min; Time can be 10��30 minutes, concretely 15 minutes.
Preparation method of the present invention reduces particle diameter, constriction grain Spectral structure as far as possible in process of lapping, makes 90% particle radii be in 10��50 ��m. Meanwhile, by adding thickening agent in medicine fertilizer, specifically can adopt xanthan gum, system is adjusted to appropriate viscosity; Meanwhile, utilize inorganic, organic surface active agent mixture, form electric double layer at particle periphery on the one hand, generate " protecting film " in particle surface and weaken merger trend between granule, thus stoping the coalescence again of dispersed particle so that it is dispersed; On the other hand effective ingredient can be placed in solubilising in auxiliary agent micelle, it is to avoid excessively thickness in process of lapping, to improve stability, to optimize mobility.
There is advantages that
(1) fertilizer integrated with pesticide is realized with the form of suspending agent, by rational formula, the combined effect of suitable auxiliary agents and ultramicro-grinder, high speed dispersor good process so that medicine fertilizer stability, homogeneity, mobility are all fine, degradation rate is low, and keeps that half a year is not stratified, do not precipitate.
(2) bactericidal fluid medicine fertilizer of the present invention has Water soluble fertilizer feature, and fertilizer dissolubility is good, concentration is high, not only disease-resistant but also trophotrophic.
(3) preparation technology that floating type bactericidal fluid medicine of the present invention is fertile is simple, reasonable, reduces material Milling volume as far as possible, consumes energy low, production suitable for industrialized.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow chart that floating type bactericidal fluid medicine of the present invention is fertile.
Fig. 2 is the fertile degradation rate after room temperature is store 14 days for 30 days with heat under hot conditions of the suspension type liquid medicine prepared in embodiment 1-embodiment 6.
Detailed description of the invention
The experimental technique used in following embodiment if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, all commercially obtain.
Dispersant in following embodiment adopts YUS-EP60P, YUS-5050PB, YUS-FS1, all purchased from Shanghai Jie Shi Chemical Co., Ltd..
Nitrogen solution and the nitrogen content of urea-ammonium nitrate solution in following embodiment are 42.2%, purchased from the new standing grain in Beijing rich agrochemical data company limited.
Embodiment 1, to prepare floating type bactericidal fluid medicine fertile
One, formula
In parts by weight, the formula that the present embodiment floating type bactericidal fluid medicine is fertile is as follows:
Phosphate fertilizer, potassium element that nitrogenous fertilizer that nitrogen element is 10 parts, P elements are 35 parts are the potash fertilizer of 10 parts, 2 parts of trace-element fertilizers, 2.5 parts of antibacterial, 1 part of emulsifying agent, 4 parts of dispersants, 3 parts of fillers, 0.5 part of defoamer, 5 parts of antifreezing agents, 0.4 part of thickening agent and 40 parts of water;
Specifically it is made up of following raw material:
Two, preparation method
Prepare floating type bactericidal fluid medicine as steps described below fertile:
(1) under the stirring condition that rotating speed is 1000 revs/min, add nitrogen content in reactor A to be the nitrogenous fertilizer urea-ammonium nitrate solution of 100g, potassium content be 100g potash fertilizer potassium chloride, phosphorus content is the phosphate fertilizer APP of 60g, 150g water, mixing time is 20 minutes, obtains saturated mother solution;
(2) adding phosphorus content in reactor B is the phosphate fertilizer MAP of 290g, 10g trace-element fertilizer zinc sulfate, 10g trace-element fertilizer boric acid, 20g sodium hexametaphosphate dispersant, 10g dispersant Huang acyl group calcium succinate (YUS-EP60P), 30g filler kieselguhr and 250g water, obtain solidliquid mixture, concurrently setting rotating speed is 1500 revs/min, and mixing time is 15 minutes;
(3) under the stirring condition that rotating speed is 3000 revs/min, adding 25g fungicide tebuconazole, 10g dispersant polyoxyethylene (YUS-FS1), 10g emulsifier polyoxyethylene poiyoxypropylene copolymer (YUS-5050PB) in reactor C, mixing time is 10 minutes;
(4) material that blend step (2) and step (3) obtain, adopts ultramicro-grinder to be ground, and the time is 30 minutes, and rotating speed is 4000 revs/min;
(5) (rotating speed is 3000 revs/min the material that the saturated mother solution obtained in step (1) is polished with step (4) fully to be mixed dispersion in high speed dispersion agent, time is 15 minutes), and add 4g thickening agent xanthan gum, 5g defoamer capryl alcohol, 50g antifreeze glycol, recording pH value is 5.97, can form homogeneous, stable floating type bactericidal fluid medicine fertile.
In the present embodiment, the volume of the saturated mother solution that step (2) obtains accounts for the 40% of the floating type bactericidal fluid medicine fertilizer that the present embodiment prepares, the volume of the saturated mother solution that step (3) obtains accounts for the 60% of the floating type bactericidal fluid medicine fertilizer that the present embodiment prepares, can be substantially reduced the grinding cost in later stage; After grinding in step (5), the particle diameter of the mixed material of 90% mass percent is 10��50 ��m, and viscosity is 1643.4mPa s (15 DEG C), changes along with the change of temperature in storage process, and pH different viscosities value is different.
The solid particle percentage ratio that the floating type bactericidal fluid medicine that the present embodiment prepares is fertile is 25%, and pH value is 5.97.
Embodiment 2, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the sulphuric acid of 100g, the liquid medicine that pH value is 3.05 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 3, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the sulphuric acid of 75g, the liquid medicine that pH value is 3.55 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 4, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the sulphuric acid of 50g, the liquid medicine that pH value is 4.33 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 5, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the sulphuric acid of 25g, the liquid medicine that pH value is 5.08 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 6, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the potassium hydroxide of 25g, the liquid medicine that pH value is 6.36 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 7, to prepare floating type bactericidal fluid medicine fertile
Floating type bactericidal fluid medicine is prepared fertile according to the step in embodiment 1, in embodiment 1, all the other steps are constant, only adding mass fraction in step (5) is the potassium hydroxide of 50g, the liquid medicine that pH value is 6.96 can be prepared fertile, in medicine fertilizer, solid particle percentage ratio is 25%, can keep not stratified do not precipitate half a year.
Embodiment 8, effect experimental
(1) each quality index that the floating type bactericidal fluid medicine prepared in embodiment 1-7 is fertile being tested, result is as shown in table 1:
Table 1, floating type bactericidal fluid medicine fertilizer quality index result
As can be seen from Table 1, the suspension type liquid medicine fertilizer that the present invention prepares all shows well in pH=3.55��5.97 physical stability, and mobility is excellent.
(2) the liquid medicine nutriment in a fertilizer for preparing in the liquid chromatographic detection embodiment 1-embodiment 6 not amount of Tebuconazole after room temperature (12��18 DEG C) 30 days and high temperature (40 �� 2 DEG C) 14 days is utilized, calculating the degradation rate (degradation rate=detected level/addition �� 100%) that liquid medicine is fertile, result is as shown in Figure 2.
Fig. 2 shows the pesticide penalty values nearly about 10% that in the present invention, liquid medicine is fertile, and in allowed band, the heat storage continuing 14d can accelerate the degraded of Tebuconazole to a certain extent, and the degraded of Tebuconazole is had no significant effect by pH change. Therefore, in the present invention controlled pharmacy fertilizer pH between 4.0��6.0.
Claims (10)
1. a floating type bactericidal fluid medicine is fertile, it is characterised in that: it includes nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, trace-element fertilizer, antibacterial, emulsifying agent, dispersant, filler, defoamer, antifreezing agent, thickening agent and water.
2. floating type bactericidal fluid medicine according to claim 1 is fertile, it is characterised in that: described floating type liquid bactericidal fluid medicine fertilizer also includes pH adjusting agent.
3. floating type bactericidal fluid medicine according to claim 1 and 2 is fertile, it is characterized in that: in parts by weight, described floating type bactericidal fluid medicine fertilizer is made up of following component: phosphate fertilizer, potassium element that nitrogenous fertilizer that nitrogen element is 5��20 parts, P elements are 20��60 parts are the potash fertilizer of 5��20 parts, 2��10 parts of trace-element fertilizers, 1��8 part of antibacterial, 1��5 part of emulsifying agent, 2��8 parts of dispersants, 1��5 part of filler, 0��50 part of pH adjusting agent, 0.2��1 part of defoamer, 1��8 part of antifreezing agent, 0.1��0.7 part of thickening agent and 30��70 parts of water.
4. the suspension bactericidal fluid medicine according to any one of claim 1-3 is fertile, it is characterised in that: the pH value that described liquid medicine is fertile is 3.0��7.0; Solid particle percentage ratio is 20%��60%, and wherein particle diameter is that the solid particle of 10��50 ��m accounts for 90%.
5. the suspension bactericidal fluid medicine according to any one of claim 1-4 is fertile, it is characterised in that: described nitrogenous fertilizer is any one of urea-ammonium nitrate solution, carbamide and liquefied ammonia; Described phosphate fertilizer is at least one in MAP, Diammonium phosphate (DAP), calcium superphosphate, APP, potassium dihydrogen phosphate and phosphite; Described potash fertilizer is at least one in potassium nitrate, potassium sulfate, potassium chloride and potassium dihydrogen phosphate; Described trace-element fertilizer is at least one in ammonium molybdate, copper nitrate, boric acid, Borax, manganese sulfate, manganese nitrate, zinc sulfate, zinc oxide and ferrous sulfate; Described antibacterial is at least one of cyprodinil, thifluzamide, carbendazim, Propamocarb, Tebuconazole, phosethyl-Al and mould prestige.
6. the suspension bactericidal fluid medicine according to any one of claim 1-4 is fertile, it is characterized in that: described emulsifying agent is calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, dibenzyl phenol polyoxyethylene ether, benzyl dimethyl phenol polyethenoxy ether, phenyl phenol polyoxyethylene ether, phenylpropyl phenethyl phenol polyethenoxy ether, alkyl phenol formaldehyde resin polyoxyethylene ether, cumylphenol formaldehyde resin polycyclic oxygen ethylether, phenethyl phenol polyoxyethanyl polyoxyethyl propyl ether, double, two methyl naphthalene sulfonic acid sodium, diisobutyl sodium naphthalene sulfonate, disecoctylmaleate sodium sulfonate, sodium methylene bis-naphthalene sulfonate, polyacrylamide, at least one in poloxalkol and polyoxyethylene, described dispersant is at least one in alkyl sulfonates complex, sodium hexameta phosphate, potassium pyrophosphate, alkylnaphthalene sulfonate formaldehyde condensation products block copolymer, double, two pectination weak anionic polymer, non-ionic hydroxyl polyethylene oxide block copolymer, yellow acyl group calcium succinate, poloxalkol and polyoxyethylene, described pH adjusting agent is sulphuric acid, phosphoric acid, citric acid, potassium citrate or potassium hydroxide, described filler is at least one in Kaolin, Attagel, montmorillonite, kieselguhr, bentonite, attapulgite, described defoamer is at least one in capryl alcohol, polyoxyethylene sorbitan monooleate dehydration, organic silicon defoamer and tributyl phosphate, described antifreezing agent is at least one in ethylene glycol, glycerol and Polyethylene Glycol, described thickening agent is at least one in polyvinyl alcohol, sodium carboxymethyl cellulose, xanthan gum, arabic gum, white carbon and aluminium-magnesium silicate.
7. the preparation method that suspension bactericidal fluid medicine according to any one of claim 1-6 is fertile, comprises the steps:
(1) under agitation, described potash fertilizer, nitrogen element that described nitrogenous fertilizer that mixing nitrogen element is 5��20 parts, nitrogen element are 5��20 parts are the described phosphate fertilizer of 0��20 part and 20��50 parts of water, obtain saturated mother solution;
(2) mixing P elements is the described phosphate fertilizer of 20��40 parts, 2��10 parts of described trace-element fertilizers, 1��5 part of described dispersant, 0.2��1 part of described defoamer, 1��5 part of described filler and 10��20 parts of water, obtains solidliquid mixture;
(3) under agitation, 1��8 part of described antibacterial of mixing, 1��3 part of described dispersant and 1��5 part of described emulsifying agent;
(4) material that blend step (2) and step (3) obtain, grinds;
(5) by mixing of materials dispersion polished with step (4) for the saturated mother solution obtained in step (1), and add 0.1��0.7 part of described thickening agent, 0.2��1 part of described defoamer and 1��8 part of described antifreezing agent, obtain described suspension bactericidal fluid medicine fertile.
8. preparation method according to claim 7, it is characterised in that: in step (5), after adding described antifreezing agent, also include 0��10 part of described pH adjusting agent of addition, regulate the step of pH value to 3.0��7.0.
9. the preparation method according to claim 7 or 8, it is characterised in that: step (1) and in step (2), the rotating speed of described stirring is 1000��2000 revs/min, and the time is 10��30 minutes; In step (3), the rotating speed of described stirring is 1000��3000 revs/min, and the time is 10��40 minutes.
10. the preparation method according to any one of claim 7-9, it is characterised in that: in step (4), the time of described grinding is 10��40 minutes, and rotating speed is 1500��6000 revs/min; After grinding, the particle diameter of the mixed material of 90% mass percent is 10��50 ��m, and viscosity is 500��3000mPa s; In step (5), described scattered rotating speed is 2000��4000 revs/min, and the time is 10��30 minutes.
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| CN106365796A (en) * | 2016-08-26 | 2017-02-01 | 广西慧投互联网金融服务有限公司 | Suspension type liquid fertilizer production process |
| CN106396970A (en) * | 2016-09-28 | 2017-02-15 | 中大普田（荆州）生物科技有限公司 | Method for preparing fertilizer by mixing fertilizers, agricultural additives and viscous water to form turbid liquid |
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| CN108358721A (en) * | 2018-03-02 | 2018-08-03 | 合肥仙之峰农业科技有限公司 | A kind of preparation method of environment-friendly pesticide |
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| CN108675884A (en) * | 2018-08-09 | 2018-10-19 | 徐州万盛现代农业发展有限公司 | A kind of fertilizer of improvement soil |
| CN109627129A (en) * | 2019-02-18 | 2019-04-16 | 福建省农业科学院土壤肥料研究所 | A kind of soil improvement function liquid suspension fertilizer and preparation method thereof that monosodium glutamate waste liquid is produced |
| CN114835520A (en) * | 2022-04-01 | 2022-08-02 | 上海农乐生物制品股份有限公司 | Biological pesticide fertilizer and preparation method and application thereof |
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