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Water-retention fertilizer and production method thereof

A production method and fertilizer technology, which are applied to fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of high price, low production capacity, and low performance in farmland applications.

Inactive Publication Date: 2015-12-02
北京好收成全农生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in my country, the research and application of water-retaining fertilizers are developing rapidly, and the market demand is large, but the production capacity is small, and the products produced have few functions and low performance, which is manifested as high price for farmland applications.

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0084] Embodiment 1: the preparation of water-retaining fertilizer of the present invention

[0085] The implementation steps of this embodiment are as follows:

[0086] A. Preparation of acrylic acid solution

[0087] Add acrylic acid to the neutralization kettle, then add water according to the mass ratio of acrylic acid to water is 1:1.10, stir and dissolve to obtain an aqueous solution of acrylic acid;

[0088] B. Neutralization reaction

[0089] Add sodium bicarbonate neutralizing agent to the acrylic acid aqueous solution obtained in step A, the mass ratio of acrylic acid in the acrylic acid aqueous solution to the neutralizing agent is 1:0.7, stir to dissolve the neutralizing agent, and obtain an acrylic acid salt aqueous solution;

[0090] C. Add acrylamide

[0091] Adding acrylamide to the acrylate aqueous solution obtained in step B, wherein the mass ratio of acrylic acid to acrylamide in the acrylate aqueous solution is 1:0.12, then stirring and dissolving to ob...

Embodiment 2

[0097] Embodiment 2: the preparation of water-retaining fertilizer of the present invention

[0098] The implementation steps of this embodiment are as follows:

[0099] A. Preparation of sodium acrylate solution

[0100] Add sodium acrylate to the neutralization kettle, then add water according to the mass ratio of sodium acrylate and water of 1:1.00, stir and dissolve to obtain an aqueous solution of sodium acrylate;

[0101] C. Add acrylamide

[0102] Add crotonamide to the sodium acrylate aqueous solution obtained in step A, the mass ratio of acrylic acid and crotonamide in the acrylate aqueous solution is 1:0.10, then stir and dissolve to obtain a co- mixed solution;

[0103] D. Polymerization reaction

[0104] Add the SAC-100 cross-linking agent to the acrylate and crotonamide blending aqueous solution obtained in step C, the amount of the cross-linking agent is 0.20% of the mass of acrylic acid in the acrylate and crotonamide blending aqueous solution, and stir Dis...

Embodiment 3

[0108] Embodiment 3: the preparation of water-retaining fertilizer of the present invention

[0109] The implementation steps of this embodiment are as follows:

[0110] A. Preparation of Potassium Acrylate Solution

[0111] Add acrylic acid to the neutralization kettle, then add water according to the mass ratio of acrylic acid to water of 1:1.05, stir and dissolve to obtain an aqueous solution of acrylic acid;

[0112] B. Neutralization reaction

[0113] Add potassium bicarbonate neutralizing agent to the acrylic acid aqueous solution obtained in step A, the mass ratio of acrylic acid in the acrylic acid aqueous solution to potassium bicarbonate neutralizing agent is 1:0.5, stir to dissolve the described neutralizing agent to obtain a an aqueous acrylate solution;

[0114] C. Add acrylamide

[0115] Adding acrylamide to the acrylate aqueous solution obtained in step B, wherein the mass ratio of acrylic acid to acrylamide in the acrylate aqueous solution is 1:0.11, then s...

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Abstract

The invention relates to water-retention fertilizer and a production method thereof. The production method comprises the steps of acrylic acid solution preparing, neutralization reaction performing, acrylamide adding, polymerization reaction performing, granulating and drying and the like. According to the water-retention fertilizer and the production method thereof, the water-retention fertilizer is safe, environmentally friendly, poisonless, odorless and free of any residual organic and inorganic harmful substances and does not pollute plants, soil, underground water and the like; soil moisture conservation and water saving are achieved, water evaporation can be effectively inhibited, water and soil loss is prevented, the water use efficiency can be increased by more than 20 percent, and the rainwater storage and retention capacity of the soil can be maximumly increased by more than 30 percent; the soil structure can be improved, and meanwhile the development of soil microorganisms can be facilitated.

Description

【Technical field】 [0001] The invention belongs to the technical field of fertilizer processing. More specifically, the present invention relates to a water-retaining fertilizer; the present invention also relates to a production method of the water-retaining fertilizer. 【Background technique】 [0002] Environmentally friendly and high-efficiency agricultural water-retaining fertilizer refers to a new type of multifunctional polymer composite material developed for the large-scale use of water-retaining, water-saving, and fertilizer-saving materials in agriculture, forestry, and horticulture. Due to its unique water absorption, water retention, and The fertilizer retention and fertilizer retention properties are widely used in agriculture, forestry and horticulture, desert control, and drought-resistant production in farmland. For example, CN101113119A discloses a water-retaining fertilizer and a preparation method thereof. The preparation method is to neutralize the acrylic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 蔡典雄王璞李勇
Owner 北京好收成全农生物科技有限公司
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