CN101475420A - Fertilizer water-dispersion granule and preparation thereof - Google Patents
Fertilizer water-dispersion granule and preparation thereof Download PDFInfo
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- CN101475420A CN101475420A CNA2009101050789A CN200910105078A CN101475420A CN 101475420 A CN101475420 A CN 101475420A CN A2009101050789 A CNA2009101050789 A CN A2009101050789A CN 200910105078 A CN200910105078 A CN 200910105078A CN 101475420 A CN101475420 A CN 101475420A
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Abstract
The invention relates to a fertilizer water dispersible granule and a method for preparing the same. The fertilizer water dispersible granule comprises one or more of plant nutrient substances and at least one surfactant which are processed to prepare the regular or irregular granular water dispersible granule. The fertilizer water dispersible granule consists of the following raw materials in portion by weight: 5 to 95 portions of the plant nutrient substance, 1 to 40 portions of the surfactant and 0 to 94 portions of an assistant. The invention has a preferential proposal: the plant nutrient substance comprises monopotassium phosphate, boric acid or borax, humic acid and salt thereof. The fertilizer water dispersible granule also comprises one or more of growth regulators. In addition, the fertilizer water dispersible granule can also comprise a disintegrating agent, an adhesive, a filler, a colorant and other assistants. The preparation method comprises: the metering, pulverization, even mixing, pelletization and drying of formula materials to obtain the fertilizer water dispersible granule. The fertilizer water dispersible granule has rapid disintegrating and dissolving (dispersing) speed in water, is fully dissolved, does not block a nozzle and a drop irrigation pipeline, is uneasy to absorb moisture, has high content of effective compositions, low packaging, storage, transportation, metering and use cost and high utilization rate of the effective compositions, reduces waste and environmental pollution, is widely applied to economic crop, gardening, lawn and urban greening and has extremely wide market application prospect.
Description
Technical field
The invention belongs to new-type fertilizer, relate to a kind of fertilizer water dispersible granule and preparation method thereof.Water dispersible granules described in the present invention comprises the water-fast WDG of plant nutrient substance and the water-soluble two kinds of situations of WSG of plant nutrient substance.
Background technology
The object of the present invention is to provide a kind of efficient, quick fertilizer water dispersible granule (WG) of dissolving (dispersion).Another object of the present invention is to provide the preparation method of fertilizer water dispersible granule.
It is defined as federation of international pesticide industry association with water-dispersible granules (WG): disintegration and be dispersed into the granular preparation of higher suspension dispersion system rapidly after the entry.Water-dispersible granules mainly is made up of pesticide activity component, wetting agent, dispersion agent, disintegrating agent, stablizer, binding agent and filler key element.
Water-dispersible granules is one of fastest formulation of development in recent years, and might become one of main pesticide formulation from now on, water dispersible granules with agricultural chemicals make a kind of dried, non-dusting, can unrestricted flow, and a kind of pesticide formulation that in water, spread easily, international code name is WG.Wherein the prepared WG of water suspending agent drying-granulating is called dried suspension concentrate again, international code name DF.WG claims WDG again, and wherein pesticide original medicine is water-soluble is called WSG.Water dispersible granules described in the present invention comprises the water-fast WDG of plant nutrient substance and the water-soluble two kinds of situations of WSG of plant nutrient substance.
Water dispersible granules is the agricultural chemicals new preparation that grows up phase early 1980s, be to add suitable auxiliary agent with natural or synthetic carrier, form through the special process granulation, disintegration soon in water, dispersion (dissolving), form the dispersion system of higher suspension, the advantage of WG: 1) easy to use 2) do not have bales stained 3) small product size is little, transportation storage convenient 4) no dust, particle disintegration rate fast 5) high wetting, height is being opened up, drug effect brings into play abundant 6) effective constituent covering face width (about 1% to 95%).Water dispersible granules has the advantage of solid preparation and liquid preparation, has had both the low advantage of environmental protection and use cost, is the most comprehensive product of over-all properties in the current pesticide preparation, has obtained large-scale application at pesticide field.But in fertilizer field, the application of water dispersible granules does not appear in the newspapers as yet.
Domestic market apply fertilizer product major part is the form of pressed powder or liquid at present, active constituent content is low, the plant utilization rate is low, easily environment is polluted, pack, transport, preserve, measure, use very inconvenient, portioned product is made particulate state by granulation process, owing to be common granulation only, only added anti-hard caking agent, lubricant etc., still exist dissolving (dispersion) slow, easily lump, easily the moisture absorption is decomposed, and insolubles is many, stop up shower nozzle and drip irrigation pipeline easily, incompatibility modern agriculture, gardening, lawn and urban afforestation are to the demand of high-quality fertilizer.
For the plant nutrient substance of insoluble in water or indissoluble, can not be applied to foliar spray and drip irrigation especially, the present invention has solved this difficult problem by being processed into the form of water dispersible granules.Plant nutrient substance exists with micron-sized small-particle in water dispersible granules, and after the entry, because the effect of auxiliary agents such as dispersion agent, plant nutrient substance is dispersed in the water with the form of molecule, just can be used for foliar spray and drip irrigation.And owing to added wetting dispersing agent, the solution after the preparation has good wettability, and perviousness and plate-out ability have improved the utilization ratio of effective constituent.
Especially in the water-soluble fertilizer field, the above-mentioned shortcoming of common fertilizer is obvious especially, has had a strong impact on the application and the popularization of fertilizer in frontier.According to the regulation of China's fertilizer management method of registration, be " water-soluble fertilizer " with common name standards such as dissolved fertilizer, foliar nutrients, foliar nutrient is not re-used as the versatility title.Water-soluble fertilizer specifically comprises: macroelement fertilizer water-soluble fertilizer, trace element fertilizer water-soluble fertilizer, secondary nutrients water-soluble fertilizer, contain the amino acid fertilizer water-soluble fertilizer, contain the humic acid fertilizer water-soluble fertilizer, organic fertilizer water-soluble fertilizer etc.Water-soluble fertilizer is the important supplement part of solid chemical fertilizer, composite fertilizer etc., is requisite integral part in the modern agriculture fertilising.
The present invention makes water dispersible granules with fertilizer, it is slow to have solved above-mentioned dissolving (dispersion) well, easily lump, easily the moisture absorption is decomposed, insolubles is many, stop up problems such as shower nozzle and drip irrigation pipeline easily, fertilizer water dispersible granule of the present invention disintegration rate in water is fast, and dissolving (dispersion) is complete, do not stop up shower nozzle and drip irrigation pipeline, be difficult for the moisture absorption, active constituent content height, packing, storing, metering, use cost is low, owing to added wetting dispersing agent, solution after the preparation has good wettability, and perviousness and plate-out ability have improved the utilization ratio of effective constituent, reduced waste and to the pollution of environment, has tangible performance, cost and environment-friendly advantage are widely used in cash crop, gardening, lawn and urban afforestation, its market application foreground is very wide.
Summary of the invention
The objective of the invention is to be achieved through the following technical solutions: construct a kind of plant nutrition water dispersible granules, comprise one or more plant nutrient substances and at least a tensio-active agent, be processed into rule or irregular particle shape water dispersible granules.
The present invention accelerates disintegration, dissolving (refer to water-soluble good fertilizer water dispersible granule), the dispersion (refer to contain the fertilizer of water-soluble relatively poor effective constituent) of fertilizer in water by auxiliary agents such as tensio-active agents, reaches the purpose that solves conventional fertilizers product shortcoming with this.For the common fertilizer product that does not contain surfactant component, in fact effective constituent be difficult to obtain dissolving rapidly or disperse.
Fertilizer water dispersible granule of the present invention is become by the preparation of raw material of following parts by weight:
5～95 parts of plant nutrient substances
1～40 part in tensio-active agent
0～94 part of auxiliary agent.
In fertilizer water dispersible granule of the present invention: described tensio-active agent comprises ethanol; saponin; lignosulfite; the hydrolyzate of animal waste; alkyl-sulphate; alkylsulfonate; alkylbenzene sulfonate; alkylphosphonic; alkene sulfonate; alkylsulphonic acid an alkali metal salt and ammonium salt; alkylphenol-polyethenoxy base vitriol; alkylphenol polyoxyethylene succinate sulfonate; the alkylphenol polyoxyethylene formaldehyde condensation products; Succinic Acid half ester sulfonate fatty amide; the N methyl taurine sodium salt; polyoxyethylenated alcohol sodium sulfate; sulfonated lignin; naphthalene sulfonic acidformaldehyde condensation product; alkylphenol polyoxyethylene vitriol; sulfonated alkyl naphathalene; petroleum sodium sulfonate; the alkyl biphenyl sodium naphthalene sulfonate; sulfonaphthol formaldehyde condensation products sodium salt; fatty alcohol-polyoxyethylene ether; the alkylnaphthalene formaldehyde condensation products; polycarboxylate; in the dibutyl naphthalenesulfonate one or more.
Add tensio-active agent and be in order to make the fast and effective constituent of water dispersible granules disintegration dissolve (dispersion) Yu Shuizhong fast, to adapt to the requirement of modernized high-efficiency agriculture, and at water-soluble relatively poor effective constituent, make effective constituent in hard water, still keep good dispersion state, make solution have good wettability, perviousness and plate-out ability simultaneously, increase the contact of solution, improved the utilization ratio of effective constituent, reduced waste and the pollution of environment to crop surface.
That tensio-active agent among the present invention mainly plays is wetting, dispersion and hydrotropy effect, and suitable anion surfactant and/or nonionogenic tenside or dispersing auxiliary are for can be used for all the type materials of agrochemical composition usually.
In fertilizer water dispersible granule of the present invention: described plant nutrient substance comprises one or more in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, secondary nutrients, trace element fertilizer, amino acid fertilizer, humic acid fertilizer, Lalgine fertilizer, chitin fertilizer, the organic fertilizer.
In fertilizer water dispersible granule of the present invention: described plant nutrient substance comprises potassium primary phosphate, and the parts by weight scope that wherein said potassium primary phosphate accounts for described fertilizer water dispersible granule is 5～95.That is to say, can be the agent of potassium primary phosphate list, also can be that potassium primary phosphate and other fertilizer are composite, and the plant nutrient substance total amount is in parts by weight 5-95 part scope.
In fertilizer water dispersible granule of the present invention: described plant nutrient substance comprises boric acid or borax, and the parts by weight scope that wherein said boric acid or borax account for described fertilizer water dispersible granule is 5～95.That is to say, can be boric acid or the agent of borax list, also can be that boric acid or borax and other fertilizer are composite, comprises that boric acid and borax are composite, and the plant nutrient substance total amount is in parts by weight 5-95 part scope.
In fertilizer water dispersible granule of the present invention: described plant nutrient substance comprises humic acid and salt thereof, and the parts by weight scope that wherein said humic acid and salt thereof account for described fertilizer water dispersible granule is 5～95 parts.Humic acid of the present invention comprises Ulmic acids, ulmic acid, xanthohumic acid, and humic acid can use separately among the present invention, also can be composite with other fertilizer.
In fertilizer water dispersible granule of the present invention, also comprise one or more plant-growth regulator, wherein said plant-growth regulator comprises indolepopionic acid, indolebutyric acid, naphthylacetic acid, Nafusaku, 2,4 dichlorophenoxyacetic acids, 4-iodobenzene fluoroacetic acid, 4-chlorophenoxyacetic acid, Plant hormones regulators,gibberellins, zeatin, kinetin, 6-benzyladenine, vincofos, dormin, choline dichloride, maleic hydrazide, Triiodobenzoic acid, paclobutrazol, uniconazole, thidiazuron, the first piperazine, forchlorfenuron, maleic hydrazide, flumetralim, triacontanol price quote, brassinolide, daminozide, Sodium p-nitrophenoxide, p-NP potassium, the p-nitrophenyl cabisan, sodium onitrophenol, o-NP potassium, the ortho-nitrophenyl cabisan, 2,2, 4-dinitrophenol sodium, 2,2, 4-dinitrophenol potassium, 2, the 2, 4-dinitrophenol ammonium, 5-nitro hydroxyanisole sodium, 5-nitro hydroxyanisole potassium, 5-nitro hydroxyanisole ammonium, diethylamino ethanol caproate, rich pyridine alcohol, Nucleotide, regulate peace, choline chloride 60, Psoralen, the citric acid titanium, in sintofen and the DCPTA one or more.
The present invention can satisfy the multiple demand that agricultural goes up crop by adding one or more growth regulators, and applied once reaches multiple purpose, reduces peasant's use cost, further enlarges use range of the present invention.And, can produce synergistic function between the growth regulator of no-float and the plant nutrient substance, play the effect that reduces cost, improves effect.Many growth regulators that contain are just arranged in the fertilizer product of China Ministry of Agriculture registration management.
In fertilizer water dispersible granule of the present invention, described auxiliary agent is become by the preparation of raw material of following parts by weight:
0～40 part of disintegrating agent
0～15 part of tamanori
0～90 part of filler
0～5 part of tinting material.
Described disintegrating agent comprises one or more in sulphur ammonium, calcium chloride, Lalgine, sodium-chlor, magnesium chloride, urea, wilkinite, aluminum chloride, sodium sulfate, attapulgite, white carbon black, Povidone, hydroxypropylcellulose, Microcrystalline Cellulose, starch, modified starch, Explotab, carboxymethylstach sodium, crosslinked carboxymethylstach sodium, the super carboxymethylstach sodium;
Disintegrating agent makes water become in the swelling action water leaking-in dispersible granule particle by wicking, accelerates the particulate disintegration.Among the present invention, according to the character of water dispersible granules effective constituent, if suitable, some situation need be added disintegrating agent.Suitable disintegrants is for being used for all substances of agrochemical composition usually for this purpose.
Described tamanori comprises carboxymethyl cellulose, polyvinyl alcohol, ethylene vinyl acetate, starch, dextrin, sucrose, syrup, maltose, glucose, polyvinylpyrrolidone, gum arabic, soybean protein, the arm protein, gelatine, gelatin, water glass, gypsum, shellac, pitch, paraffin, wood is fragrant, polyvinyl acetate (PVA), polyvinyl alcohol, rosin, denaturated sodium polyacrylate, polyoxyethylene glycol, xylogen, methylcellulose gum, ethyl cellulose, polyacrylamide, hydroxypropylcellulose, Vltra tears, polyethylene azoxy ketone, Hydroxypropylcelliloxe, low-substituted hydroxypropyl cellulose, in the Xylo-Mucine one or more;
Tamanori is for effective constituent and auxiliary agent are bonded together, and the intensity of finished product avoids broken in transporting procedures after making things convenient for granulation and guaranteeing granulation, among the present invention, according to the character of water dispersible granules effective constituent, if suitable, some situation need be added tamanori.Suitable tamanori is for being used for all substances of agrochemical composition usually for this purpose.
Described filler comprises one or more in kaolin, corncob cellulose, soybean, tobacco, rice husk, sulphur, acorn, lime carbonate, wilkinite, atlapulgite, diatomite, white carbon black, Attapulgite, clay, montmorillonite, float stone, potter's clay, unslaked lime, magnesian lime, phosphorus lime, agalmatolite, calcite, rhombspar, gypsum, sepiolite, silica, mica, talcum, mud coal, silica gel, starch, dextrin, glucose, N.F,USP MANNITOL, lactose, sucrose, the calcium sulfate;
Filler mainly is in order to adsorb the physical behavior of effective constituent and maintenance water dispersible granules, and as intensity, water absorbability etc., the present invention can add different fillers according to the character and the service requirements of effective constituent, if suitable, some situation will be added filler.Appropriate filler is for being used for all substances of agrochemical composition usually for this purpose.
Described tinting material comprises one or more in direct red brown, direct light yellow, turmeric yellow, acid yellowish-brown, EX-SF DISPERSE BLUE EX-SF 300, Reactive blue, the reactive scarlet;
Fertilizer water dispersible granule of the present invention can be processed into shades of colour, and the purpose that adds tinting material is in order to change the appearance color of product, to increase the commodity of products energy, and is little to other performance impact of product.Suitable tinting material is for being used for all substances of agrochemical composition usually for this purpose.
More than all auxiliary agents all are known substances, also be material commonly used and that know in the processing of agricultural chemicals, pharmaceutical preparation, those skilled in the art can add at the different qualities and the different purposes of plant nutrient substance.In addition, though disclose the option of various auxiliary agents among the present invention, those skilled in the art know that the disclosed auxiliary agent, the auxiliary agent that other those skilled in the art use always also can be used for the present invention in the present invention, and falls into protection scope of the present invention.
Fertilizer water dispersible granule of the present invention can be processed into arbitrary polygon tablet, sphere, cylindric, ellipse or arbitrary polyhedron granula, does not influence its result of use.
The present invention solves another technical scheme that its technical problem adopts, and constructs a kind of method for preparing above-mentioned fertilizer water dispersible granule, comprises following processing step and processing method: with formulation material weighing, mixing, pulverizing, granulation, be drying to obtain.
The equipment that the preparation of fertilizer water dispersible granule of the present invention is used all be widely apply on the market, be known to the technician in water dispersible granules field, granulation adopts conventional granulation process to realize that these technologies include but not limited to spray drying granulation, lyophilize granulation, extruder grain, cylinder granulation, fluidized bed granulation, fluidized bed prilling, rotary table granulation etc.
Implement fertilizer water dispersible granule of the present invention and preparation method, have following advantage:
Fertilizer water dispersible granule of the present invention disintegration rate in water is fast, dissolving (dispersion) is complete, do not stop up shower nozzle and drip irrigation pipeline, be difficult for the moisture absorption, packing, storing, metering, use cost are low, owing to added wetting dispersing agent, solution after the preparation has good wettability, perviousness and plate-out ability, improved the utilization ratio of effective constituent, reduced waste and, had tangible performance, cost and an environment-friendly advantage the pollution of environment, be widely used in cash crop, gardening, lawn and urban afforestation, its market application foreground is very wide.
Concrete embodiment
In order to understand the present invention better, describe the technology contents of invention below in detail with example, but embodiment of the present invention are not limited to these examples.
Embodiment 1
Take by weighing each component raw material according to following proportioning
49 parts of potassium primary phosphates
10 parts of boric acid
Plant hormones regulators,gibberellins GA
40.5 part
Plant hormones regulators,gibberellins GA
70.5 part
25 parts of Succinic Acid half ester sulfonate fatty amides
15 parts of Sodium dodecylbenzene sulfonatees
Earlier with Plant hormones regulators,gibberellins GA
4With Plant hormones regulators,gibberellins GA
7More than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of female powder and suitable quantity of water solution, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain column potassium primary phosphate Plant hormones regulators,gibberellins water dispersible granules.
Embodiment 2
Take by weighing each component raw material according to following proportioning
70 parts in saltpetre
6 parts in lime carbonate
1 part of naphthylacetic acid
5 parts of Succinic Acid half ester sulfonate fatty amides
3 parts of fatty alcohol-polyoxyethylene ether
15 parts of carboxymethyl celluloses
Earlier with naphthylacetic acid and lime carbonate more than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of female powder and suitable quantity of water solution, carry out fluidized bed prilling then, drying, compressing tablet, analytical study warehouse-in obtain spherical saltpetre naphthylacetic acid water dispersible granules.
Embodiment 3
Take by weighing each component raw material according to following proportioning
65 parts of boric acid
30 parts of low-substituted hydroxypropyl celluloses
5 parts in alkylphenol polyoxyethylene succinate sulfonate
With the said components mixing, through pulverizing the female powder of preparation,, carry out the cylinder granulation then with mixing of female powder and an amount of alcoholic solution, dry, analytical study warehouse-in obtains the boric acid water dispersible granules.
Embodiment 4
Take by weighing each component raw material according to following proportioning
95 parts of boric acid
4 parts of sulfonaphthol formaldehyde condensation products sodium salts
1 part of gum arabic
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation,, carry out fluidized bed prilling then with mixing of the tamanori gum arabic aqueous solution of female powder and 10%, drying, screening, analytical study are put in storage and are obtained the boric acid water dispersible granules.
Embodiment 5
Take by weighing each component raw material according to following proportioning
5 parts of boraxs
23 parts of Sodium dodecylbenzene sulfonatees
71 parts in diatomite
1 part of gum arabic
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation,, carry out fluidized bed prilling then with mixing of the tamanori gum arabic aqueous solution of female powder and 10%, drying, screening, analytical study are put in storage and are obtained the borax water dispersible granule.
Embodiment 6
Take by weighing each component raw material according to following proportioning
84 parts of potassium primary phosphates
9 parts of Sodium dodecylbenzene sulfonatees
0.5 part of polyacrylamide
6.5 parts of white carbon blacks
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation, with mixing of the tamanori polyacrylamide alcoholic solution of female powder and 10%, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain the potassium primary phosphate water dispersible granules.
Embodiment 7
Take by weighing each component raw material according to following proportioning
95 parts of potassium primary phosphates
4.5 parts of sulfonaphthol formaldehyde condensation products sodium salts
0.5 part of polyacrylamide
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation, with mixing of the tamanori polyacrylamide solution of female powder and 10%, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain the potassium primary phosphate water dispersible granules.
Embodiment 8
Take by weighing each component raw material according to following proportioning
5 parts of potassium primary phosphates
14 parts of Sodium dodecylbenzene sulfonatees
0.5 part of polyacrylamide
80.5 parts of white carbon blacks
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation, with mixing of the tamanori polyacrylamide solution of female powder and 10%, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain the potassium primary phosphate water dispersible granules.
Embodiment 9
Take by weighing each component raw material according to following proportioning
70 parts of nitric acid ammonia calcium
10 parts of potassium primary phosphates
8.6 parts of magnesium sulfate heptahydrates
1 part of Sodium p-nitrophenoxide
1.2 parts of sodium onitrophenols
0.2 part in 5-nitro hydroxyanisole sodium
8 parts of N methyl taurine sodium salts
1 part of hydroxypropylcellulose
Earlier with Sodium p-nitrophenoxide, sodium onitrophenol, 5-nitro hydroxyanisole sodium and potassium primary phosphate more than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of the tamanori hydroxypropyl cellulose aqueous solution of female powder and 10%, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain column sodium nitrophenolate water dispersible granules.
Embodiment 10
Take by weighing each component raw material according to following proportioning
3 parts of ammonium molybdates
1 part of Zinc Sulphate Monohydrate
0.2 part of anhydrous cupric sulfate
0.5 part of sulfuric acid monohydrate iron
0.3 part of manganese sulfate monohydrate
90 parts of starch
3.95 parts in dextrin
1 part of Succinic Acid half ester sulfonate fatty amide
0.05 part of direct light yellow
Will be except that the said components mixing dextrin, the direct light yellow, through pulverizing the female powder of preparation, dextrin is configured to 20% tamanori dextrin in aqueous solution, direct light yellow adds in the dextrin alcoholic solution again, female powder and the solution that contains tinting material and dextrin are mixed, carry out extruder grain then, drying, screening, analytical study warehouse-in obtain yellow micro-water dispersible granules.
Embodiment 11
Take by weighing each component raw material according to following proportioning
75 parts of aminoacids complexs
20 parts of boraxs
4 parts of sulfonaphthol formaldehyde condensation products sodium salts
1 part of gum arabic
With above-mentioned component mixing except that gum arabic, through pulverizing the female powder of preparation, with mixing of the tamanori gum arabic aqueous solution of female powder and 10%, carry out fluidized bed prilling then, drying, screening, analytical study warehouse-in obtain the aminoacids complex water dispersible granules.
Embodiment 12
Take by weighing each component raw material according to following proportioning
20 parts of humic acid
15 parts of sulphur ammoniums
20 parts of Succinic Acid half ester sulfonate fatty amides
40 parts of sodium starch glycolatees
5 parts of low-substituted hydroxypropyl celluloses
Elder generation more than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of female powder and suitable quantity of water solution, carries out fluidized bed prilling with humic acid then, and drying, screening, analytical study warehouse-in obtain the humic acid water dispersible granules.
Embodiment 13
Take by weighing each component raw material according to following proportioning
5 parts of potassium humates
30 parts of sulphur ammoniums
20 parts of Succinic Acid half ester sulfonate fatty amides
40 parts of sodium starch glycolatees
5 parts of low-substituted hydroxypropyl celluloses
Elder generation more than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of female powder and suitable quantity of water solution, carries out fluidized bed prilling with humic acid then, and drying, screening, analytical study warehouse-in obtain the humic acid water dispersible granules.
Embodiment 14
Take by weighing each component raw material according to following proportioning
95 parts of xanthohumic acids
4 parts of Succinic Acid half ester sulfonate fatty amides
1 part of low-substituted hydroxypropyl cellulose
Elder generation more than superfine grinding to 250 order, with other component mixing, through pulverizing the female powder of preparation, with mixing of female powder and suitable quantity of water solution, carries out fluidized bed prilling with humic acid then, and drying, screening, analytical study warehouse-in obtain the humic acid water dispersible granules.
Embodiment 15
Present embodiment is slaking, dispersiveness, the stability experiment of above-mentioned part embodiment.Because fertilizer water dispersible granule is an innovative product, there is not sophisticated product standard, therefore check with reference to national pesticide water dispersible granules standard, for effective constituent is water miscible product, no longer carry out the mensuration of dispersing property, the sample that the foregoing description is made has carried out following detection, and concrete detection method is as follows:
Dispersed and redispersibility is measured: adopt the graduated cylinder hybrid system to carry out, its step is as follows: (1) adds 98ml deionized water (100ml scale) in tool plug graduated cylinder; (2) claim the 2g sample to add graduated cylinder; (3) turn upside down and leave standstill behind the graduated cylinder 10 times, each 2 seconds, the precipitation capacity when record 30,60min; (4) put upside down graduated cylinder behind the 24h, write down the number of times that makes the settling redispersion and put upside down, the number of reversals is lower than 10 persons and thinks qualified.
Slaking is measured: represent to measure disintegration time length, general provision is qualified less than 3min, method is as follows: to the 100ml tool plug graduated cylinder that fills 90ml distilled water (the high 22.5cm of tube, internal diameter 28mm) adds sample particle 0.5g down in 25 ℃ in, clamp the graduated cylinder middle part, at the uniform velocity rotate along the center with 8r/min speed, up to sample in water fully till the disintegration, writing time.This time is disintegration time.
Heat storage stability: will check the sample behind the active constituent content to be respectively charged in the ampoule, and put into constant temperature oven, 54 ± 2 ℃ of heat storages 14 days, sampling analysis heat storage back content of effective was calculated its effective constituent rate of decomposition then.
Result such as following table:
Table 2: the assay of embodiment 1-6
The result shows, the fertilizer water dispersible granule that the present invention makes, and excellent performances such as the slaking of product, dispersiveness, stability have been realized purpose of the present invention.
Though more than described various embodiment of the present invention, should be appreciated that its purpose only is to illustrate, and do not have restricted.Those skilled in the art knows, not leaving under the spirit and scope of the present invention situation, also can make various changes in the form and details.Therefore, protection scope of the present invention is improper only to be confined to arbitrary embodiment described above, limits and should and be equal to according to claim.
Claims (10)
1, a kind of fertilizer water dispersible granule is characterized in that: comprise one or more plant nutrient substances and at least a tensio-active agent, be processed into rule or irregular particle shape water dispersible granules.
2, according to a kind of fertilizer water dispersible granule of claim 1, it is characterized in that: the preparation of raw material by following parts by weight becomes:
5～95 parts of plant nutrient substances
1～40 part in tensio-active agent
0～94 part of auxiliary agent.
3, according to described a kind of fertilizer water dispersible granule of claim 2, it is characterized in that:
Described tensio-active agent comprises ethanol; saponin; lignosulfite; the hydrolyzate of animal waste; alkyl-sulphate; alkylsulfonate; alkylbenzene sulfonate; alkylphosphonic; alkene sulfonate; alkylsulphonic acid an alkali metal salt and ammonium salt; alkylphenol-polyethenoxy base vitriol; alkylphenol polyoxyethylene succinate sulfonate; the alkylphenol polyoxyethylene formaldehyde condensation products; Succinic Acid half ester sulfonate fatty amide; the N methyl taurine sodium salt; polyoxyethylenated alcohol sodium sulfate; sulfonated lignin; naphthalene sulfonic acidformaldehyde condensation product; alkylphenol polyoxyethylene vitriol; sulfonated alkyl naphathalene; petroleum sodium sulfonate; the alkyl biphenyl sodium naphthalene sulfonate; sulfonaphthol formaldehyde condensation products sodium salt; fatty alcohol-polyoxyethylene ether; the alkylnaphthalene formaldehyde condensation products; polycarboxylate; in the dibutyl naphthalenesulfonate one or more.
4, according to a kind of fertilizer water dispersible granule of claim 2, it is characterized in that: described plant nutrient substance comprises one or more in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, secondary nutrients, trace element fertilizer, amino acid fertilizer, humic acid fertilizer, Lalgine fertilizer, chitin fertilizer, the organic fertilizer.
5, according to a kind of fertilizer water dispersible granule of claim 4, it is characterized in that: described plant nutrient substance comprises potassium primary phosphate, and the parts by weight scope that wherein said potassium primary phosphate accounts for described fertilizer water dispersible granule is 5～95 parts.
6, a kind of fertilizer water dispersible granule according to claim 4 is characterized in that, described plant nutrient substance comprises boric acid or borax, and the parts by weight scope that wherein said boric acid or borax account for described fertilizer water dispersible granule is 5～95 parts.
7, a kind of fertilizer water dispersible granule according to claim 4 is characterized in that, described plant nutrient substance comprises humic acid and salt thereof, and the parts by weight scope that wherein said humic acid and salt thereof account for described fertilizer water dispersible granule is 5～95 parts.
8, according to claim 2,3,4,5,6 or 7 described a kind of fertilizer water dispersible granule, it is characterized in that, also comprise one or more plant-growth regulator, wherein said plant-growth regulator comprises indolepopionic acid, indolebutyric acid, naphthylacetic acid, Nafusaku, 2,4 dichlorophenoxyacetic acids, 4-iodobenzene fluoroacetic acid, 4-chlorophenoxyacetic acid, Plant hormones regulators,gibberellins, zeatin, kinetin, 6-benzyladenine, vincofos, dormin, choline dichloride, maleic hydrazide, Triiodobenzoic acid, paclobutrazol, uniconazole, thidiazuron, the first piperazine, forchlorfenuron, maleic hydrazide, flumetralim, triacontanol price quote, brassinolide, daminozide, Sodium p-nitrophenoxide, p-NP potassium, the p-nitrophenyl cabisan, sodium onitrophenol, o-NP potassium, the ortho-nitrophenyl cabisan, 2,2, 4-dinitrophenol sodium, 2,2, 4-dinitrophenol potassium, 2, the 2, 4-dinitrophenol ammonium, 5-nitro hydroxyanisole sodium, 5-nitro hydroxyanisole potassium, 5-nitro hydroxyanisole ammonium, diethylamino ethanol caproate, rich pyridine alcohol, Nucleotide, regulate peace, choline chloride 60, Psoralen, the citric acid titanium, in sintofen and the DCPTA one or more.
9, according to claim 2,3,4, a kind of fertilizer water dispersible granule of 5 or 6, it is characterized in that: described auxiliary agent is become by the preparation of raw material of following parts by weight:
0～40 part of disintegrating agent
0～15 part of tamanori
0～90 part of filler
0～5 part of tinting material
Described disintegrating agent comprises one or more in sulphur ammonium, calcium chloride, Lalgine, sodium-chlor, magnesium chloride, urea, wilkinite, aluminum chloride, sodium sulfate, attapulgite, white carbon black, Povidone, hydroxypropylcellulose, Microcrystalline Cellulose, starch, modified starch, Explotab, carboxymethylstach sodium, crosslinked carboxymethylstach sodium, the super carboxymethylstach sodium;
Described tamanori comprises carboxymethyl cellulose, polyvinyl alcohol, ethylene vinyl acetate, starch, dextrin, sucrose, syrup, maltose, glucose, polyvinylpyrrolidone, gum arabic, soybean protein, the arm protein, gelatine, gelatin, water glass, gypsum, shellac, pitch, paraffin, wood is fragrant, polyvinyl acetate (PVA), polyvinyl alcohol, rosin, denaturated sodium polyacrylate, polyoxyethylene glycol, xylogen, methylcellulose gum, ethyl cellulose, polyacrylamide, hydroxypropylcellulose, Vltra tears, polyethylene azoxy ketone, Hydroxypropylcelliloxe, low-substituted hydroxypropyl cellulose, in the Xylo-Mucine one or more;
Described filler comprises one or more in kaolin, corncob cellulose, soybean, tobacco, rice husk, sulphur, acorn, lime carbonate, wilkinite, atlapulgite, diatomite, white carbon black, Attapulgite, clay, montmorillonite, float stone, potter's clay, unslaked lime, magnesian lime, phosphorus lime, agalmatolite, calcite, rhombspar, gypsum, sepiolite, silica, mica, talcum, mud coal, silica gel, starch, dextrin, glucose, N.F,USP MANNITOL, lactose, sucrose, the calcium sulfate;
Described tinting material comprises one or more in direct red brown, direct light yellow, turmeric yellow, acid yellowish-brown, EX-SF DISPERSE BLUE EX-SF 300, Reactive blue, the reactive scarlet.
10, according to the preparation method of the arbitrary described fertilizer dispersible granule of claim 1-9, it is characterized in that: the preparation method is with formulation material metering, pulverizing, mixing, granulation, is drying to obtain fertilizer water dispersible granule.
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| CNA2009101050789A CN101475420A (en) | 2009-01-23 | 2009-01-23 | Fertilizer water-dispersion granule and preparation thereof |
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