High-calcium-content secondary element water-soluble fertilizer and preparation method thereof

A content and element technology, which is applied in the field of water-soluble fertilizers with extremely high calcium content and medium elements and its preparation, can solve the problems of production cost, high packaging cost, impact on absorption efficiency, single component, etc., and achieve the prevention of antagonism and the utilization rate of absorption transformation High, nutrient-balanced effect

Inactive Publication Date: 2020-01-31
HUBEI FORBON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Japanese patent P2000-193894 relates to the preparation of high-concentration elemental calcium fertilizer, but the composition is single, and does not contain magnesium, zinc, boron and surfactant; patent CN102701800A, the preparation technology of super-active fully water-soluble calcium-boron fertilizer, although it involves calcium-boron fertilizer, but the calcium in the raw material exists in an ion state, and the absorption efficiency is obviously affected; patent CN102503657A and patent CN101318861A both involve the preparation of calcium-boron foliar fertiliz

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1) Add 1.0 parts of EDTA to 8 parts of water, heat up to 40°C under stirring, then add 0.4 parts of boric acid, 0.1 parts of anhydrous copper sulfate, 0.2 parts of manganese chloride, 0.1 parts of zinc chloride, sodium molybdate 0.001 part, 0.5 part of potassium hydroxide, and 3 parts of urea were chelated for 2 hours under stirring to obtain suspension A.

[0028] 2) Add 0.1 parts of water, 7 parts of magnesium chloride, 3 parts of calcium formate, and 50 parts of calcium ammonium nitrate to suspension A in a stirring state, and conduct chelation reaction for 2 hours at a reaction temperature of 40°C to obtain suspension B.

[0029] 3) Continue to add 0.1 part of water, 0.1 part of ferrous chloride, 3 parts of stabilizer, and 0.02 part of tetradecyltrimethylammonium chloride to the suspension B in a stirring state, and perform chelation reaction for 2 hours, and the reaction temperature is At 40°C, suspension C was obtained; the stabilizer was prepared by mixing sugar ...

Embodiment 2

[0032] 1) Add 3.0 parts of EDTA to 10 parts of water, heat up to 60°C under stirring, then add 0.8 parts of boric acid, 0.2 parts of anhydrous copper sulfate, 0.5 parts of manganese chloride, 0.3 parts of zinc chloride, sodium molybdate 0.005 parts, 3.0 parts of potassium hydroxide, and 8 parts of urea were chelated under stirring for 1.5 hours to obtain a suspension A.

[0033] 2) Continue to add 0.3 parts of water, 10 parts of magnesium chloride, 6 parts of calcium formate, and 65 parts of calcium ammonium nitrate to the suspension A in a stirring state, and conduct a chelation reaction for 1.5 hours at a reaction temperature of 60°C to obtain a suspension B.

[0034] 3) Continue to add 0.3 parts of water, 0.4 parts of ferrous chloride, 6 parts of stabilizer, and 0.06 parts of hexadecyltrimethylammonium chloride to the suspension B in a stirring state, and perform chelation reaction for 1.5 hours, and the reaction temperature is 60°C to obtain suspension C; the stabilizer is...

Embodiment 3

[0037] 1) Add 2.0 parts of EDTA to 9 parts of water, heat up to 50°C under stirring, then add 0.6 parts of boric acid, 0.15 parts of anhydrous copper sulfate, 0.35 parts of manganese chloride, 0.2 parts of zinc chloride, and 0.003 parts of sodium molybdate 1.8 parts of potassium hydroxide, 5 parts of urea, chelation reaction for 2.5 hours under stirring to obtain suspension A.

[0038] 2) Add 0.2 parts of water, 8.5 parts of magnesium chloride, 4.5 parts of calcium formate, and 58 parts of calcium ammonium nitrate to the suspension A in a stirring state, and conduct a chelation reaction for 2.5 hours at a reaction temperature of 50°C to obtain a suspension B.

[0039] 3) Continue to add 0.2 parts of water, 0.25 parts of ferrous chloride, 4.5 parts of stabilizer, and 0.04 parts of lignosulfonate to the suspension B in a stirring state, and conduct a chelation reaction for 2.5 hours at a reaction temperature of 50°C to obtain a suspension Liquid C; the stabilizer is formed by mi...

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PUM

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Abstract

The invention discloses a high-calcium-content secondary element water-soluble fertilizer and a preparation method thereof. The full-water-soluble suspension calcium fertilizer is prepared from the following raw materials in parts by weight: 1.0-3.0 parts of EDTA, 0.4-0.8 part of boric acid, 0.1-0.2 part of anhydrous cupric sulfate, 0.2-0.5 part of manganese chloride, 0.1-0.3 part of zinc chloride, 0.001 to 0.005 part of sodium molybdate, 0.5 to 3.0 parts of potassium hydroxide, 3 to 8 parts of urea, 7 to 10 parts of magnesium chloride, 3 to 6 parts of calcium formate, 50 to 65 parts of calcium ammonium nitrate, 0.1 to 0.4 part of ferrous chloride, 3 to 6 parts of a stabilizing agent, 0.02 to 0.06 part of a surfactant, 4.0 to 8.0 parts of a thickening agent and 10 to 12 parts of water. According to the invention, through process control on feeding sequence, reaction conditions and the like, and selection of additives such as a thickening agent, a stabilizing agent and the like, extremely high content of calcium and trace elements can stably exist in a liquid phase at the same time, and simultaneous supplement of extremely high content of calcium and trace elements can be realized.Other nutrient elements are considered while calcium is highlighted, and the problem of antagonism among elements caused by single fertilization is effectively prevented.

Description

technical field [0001] The invention belongs to the field of crop nutritional preparations, and in particular relates to a water-soluble fertilizer with extremely high calcium content and a medium element and a preparation method thereof. Background technique [0002] Fertilizer is an essential material support for promoting plant growth and increasing crop production, and it is also one of the important conditions for the development of agricultural production. China is one of the countries that consume a lot of agricultural fertilizers in the world. At present, the common fertilizers on the market are high-concentration solid fertilizers with relatively single components, such as urea and nitrophosphate fertilizers. These fertilizers can only provide a large amount of nitrogen, phosphorus, and potassium. Nutrient elements, almost do not contain medium elements and trace elements, so that the crops have low lodging resistance, resistance to diseases and insect pests, and cr...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05C1/00C05G3/00
Inventor 王仁宗
Owner HUBEI FORBON TECH
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