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A kind of granule containing hymexazol and preparation method thereof

A technology for hymexazol and granules, which is applied in the field of hymexazal-containing granules and its preparation, and can solve the problems of hymexazol decomposition, affecting the use effect of farmers, and insufficient content of active ingredients of hymexazol

Active Publication Date: 2021-12-24
山西运城绿康实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the fungicidal granules currently used are hymexazol granules, usually using quartz sand, soil balls, organic matter particles, ammonium sulfate or magnesium sulfate as carriers, but such hymexazol granules are stored, especially after heat storage, Decomposition of hymexazol will occur, resulting in insufficient content of active ingredients of hymexazol, which seriously affects the use effect of farmers

Method used

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  • A kind of granule containing hymexazol and preparation method thereof
  • A kind of granule containing hymexazol and preparation method thereof
  • A kind of granule containing hymexazol and preparation method thereof

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preparation example Construction

[0033] The present invention provides the preparation method of the hymexazol-containing granule described in the above technical scheme, comprising the following steps:

[0034] dissolving hymexazol in an organic solvent to obtain hymexazol liquid;

[0035] mixing the amino oligosaccharin and the anti-caking agent, and pulverizing them into powder to obtain the amino oligosaccharin medicinal powder;

[0036] Spraying the hymexazol liquid onto carrier particles under the condition of 65°C to 70°C to obtain carrier particles with hymexazol adsorbed thereon, the carrier particles being calcium ammonium nitrate;

[0037] The oligoaminosaccharin medicinal powder is mixed with the carrier particles adsorbed with hymexazol for coating and granulation to obtain the hymexazol-containing granules.

[0038] In the present invention, hymexazol is dissolved in an organic solvent to obtain hymexazol liquid. In the present invention, the organic solvent is preferably ethanol and / or methan...

Embodiment 1

[0045] A kind of described granule containing hymexazol, the preparation method is as follows:

[0046] (1) 0.26kg of hymexazol is dissolved with 500mL ethanol to obtain hymexazol liquid;

[0047] (2) Mix 0.057 kg of amino oligosaccharin and 1 kg of anti-caking agent (silicon dioxide) and pulverize into a fine powder with a particle size of less than 45 μm to obtain amino oligosaccharin medicated powder;

[0048] (3) Start the disc granulator, turn on the heating cycle device, and when the oil temperature reaches 70°C, put 100kg of calcium ammonium nitrate (particle size 4.0-1.4mm) into the disc granulator; then step (1) The hymexazol medicinal liquid was sprayed onto the calcium ammonium nitrate granules through a high-pressure spray gun for adsorption, and after the spraying was finished, the mixing was continued for 20 minutes, and the amino oligosaccharin medicinal powder in step (2) was added to the disc granulator for coating and granulation. Hymexazol-containing granul...

Embodiment 2

[0056] A kind of described granule containing hymexazol, the preparation method is as follows:

[0057] (1) 0.25kg of hymexazol is dissolved with 500mL ethanol to obtain hymexazol liquid;

[0058] (2) Mix 0.056 kg of amino oligosaccharin and 1 kg of anti-caking agent (silicon dioxide) and pulverize into a fine powder with a particle size of less than 45 μm to obtain amino oligosaccharin medicated powder;

[0059] (3) Start the disc granulator, turn on the heating cycle device, and when the oil temperature reaches 70°C, put 100kg of calcium ammonium nitrate (particle size 4.0-1.4mm) into the disc granulator; then step (1) The hymexazol medicinal liquid was sprayed onto the calcium ammonium nitrate granules through a high-pressure spray gun for adsorption, and after the spraying was finished, the mixing was continued for 20 minutes, and the amino oligosaccharin medicinal powder in step (2) was added to the disc granulator for coating and granulation. Hymexazol-containing granul...

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Abstract

The invention provides a hymexazol-containing granule and a preparation method thereof, and relates to the technical field of pesticide granules. The granule provided by the invention comprises a drug-loaded inner core and a shell layer coated on the outer surface of the drug-loaded inner core; the drug-loaded inner core includes a carrier and hymexazol adsorbed on the surface of the carrier, and the shell layer is an amino oligosaccharide The mixture of hymexazol and anti-caking agent; the mass content of the hymexazol, carrier, amino-oligosaccharin and anti-caking agent in the granule is 0.1-0.6% of hymexazol, 96-99% of carrier, amino-oligosaccharide 0.03% to 0.1% and the balance of anti-caking agent; the carrier is calcium ammonium nitrate. The granules provided by the invention use calcium ammonium nitrate as a carrier, which can effectively avoid the decomposition of hymexazol in the storage process of the granules, and ensure the content of the active ingredients of hymexazol and the bactericidal effect of the granules; and the use of calcium ammonium nitrate as a carrier has obvious The practical and intuitive effect of promoting root growth and raising seedlings realizes the combination of medicine and fertilizer and effectively improves the utilization rate.

Description

technical field [0001] The invention relates to the technical field of pesticide granules, in particular to a hymexazol-containing granule and a preparation method thereof. Background technique [0002] Over the years, the multi-cropping index of my country's agricultural production has increased, the unreasonable use of chemical fertilizers and changes in climatic conditions have led to increasing occurrence of crop soil-borne diseases. Soil-borne diseases have the characteristics of late appearance, fast transmission, and severe damage. Soil-borne diseases of crops have become one of the outstanding problems restricting the safe production and sustainable development of my country's agriculture. [0003] The mainstream methods to solve soil-borne diseases include root irrigation, root drenching and spreading. Among them, root irrigation and root drenching are labor-intensive and costly, and improper use is likely to cause phytotoxicity, so farmers are generally unwilling t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/26A01N25/08A01N43/80A01N25/32A01P1/00A01P3/00C05G3/30C05G3/60C05G5/12C05G5/30
CPCA01N25/26A01N25/08A01N43/80A01N25/32C05C1/00C05G3/30C05G3/60C05G5/12C05G5/30
Inventor 薛云兰张泂然曲鹏晶柴化鹏
Owner 山西运城绿康实业有限公司
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