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Fertilizer water-dispersion granule and preparation thereof

A technology for dispersing granules and fertilizers, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve problems affecting fertilizer application and promotion, and achieve the effects of broad market application prospects, improved utilization rate, and fast disintegration speed

Inactive Publication Date: 2009-07-08
SHENZHEN LANGTAI BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Especially in the field of water-soluble fertilizers, the above-mentioned shortcomings of ordinary fertilizers are even more obvious, which seriously affects the application and promotion of fertilizers in new fields

Method used

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  • Fertilizer water-dispersion granule and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Weigh the raw materials of each component according to the following ratio

[0048] Potassium dihydrogen phosphate 49 parts

[0049] Boric acid 10 parts

[0050] Gibberellin GA 4 0.5 parts

[0051] Gibberellin GA 7 0.5 parts

[0052] Succinic acid half ester sulfonate fatty acid amide 25 parts

[0053] Sodium dodecylbenzenesulfonate 15 parts

[0054] Gibberellin GA 4 gibberellin GA 7 Superfinely pulverized to more than 250 mesh, mixed with other components, prepared mother powder by crushing, mixed with an appropriate amount of aqueous solution, then extruded and granulated, dried, sieved, analyzed and tested for storage to obtain columnar Potassium dihydrogen phosphate gibberellin water dispersible granules.

Embodiment 2

[0056] Weigh the raw materials of each component according to the following ratio

[0057] Potassium nitrate 70 parts

[0058] Calcium carbonate 6 parts

[0059] Naphthalene acetic acid 1 part

[0060] Succinic acid half ester sulfonate fatty acid amide 5 parts

[0061] Fatty alcohol polyoxyethylene ether 3 parts

[0062] Carboxymethylcellulose 15 parts

[0063] Firstly, naphthyl acetic acid and calcium carbonate are superfinely pulverized to more than 250 meshes, mixed with other components, and pulverized to prepare mother powder, mixed with an appropriate amount of aqueous solution, and then fluidized bed granulation, drying, pressing Tablets, analysis, inspection, and storage to obtain spherical potassium nitrate naphthaleneacetic acid water-dispersible granules.

Embodiment 3

[0065] Weigh the raw materials of each component according to the following ratio

[0066] 65 parts boric acid

[0067] Low-substituted hydroxypropyl cellulose 30 parts

[0068] Alkylphenol polyoxyethylene ether succinate sulfonate 5 parts

[0069] The above components are mixed evenly, the mother powder is prepared by pulverization, the mother powder is uniformly mixed with an appropriate amount of alcohol solution, and then drum granulated, dried, analyzed and checked for storage to obtain boric acid water-dispersible granules.

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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 [0001] The invention belongs to a novel fertilizer, and relates to a fertilizer water-dispersible granule and a preparation method thereof. The water-dispersible granules described in the present invention include WDG in which plant nutrients are insoluble in water and WSG in which plant nutrients are soluble in water. Background technique [0002] The object of the present invention is to provide a highly efficient, fast dissolving (dispersing) fertilizer water dispersible granule (WG). Another object of the present invention is to provide a method for preparing fertilizer water-dispersible granules. [0003] The International Federation of Pesticide Industry Associations defines water-dispersible granules (WG) as: granular preparations that can quickly disintegrate and disperse into a high-suspension dispersion system after entering water. Water-dispersible granules are mainly composed of pesticide active ingredients, wetting agents, dispersants, disinteg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 张荣胜
Owner SHENZHEN LANGTAI BIOTECH
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