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Tower-type melt granulation water-soluble fertilizer containing fulvic acid potassium macroelement and preparation method for fertilizer

A tower-type melt granulation and potassium fulvic acid technology, which is applied in fertilization equipment, fertilizer mixture, application, etc., can solve the problems that nutrients cannot be mixed evenly, fertilizers are easy to form plates, and the structure is loose, so as to improve crop yield and quality, fast nutrient absorption, and smooth appearance

Active Publication Date: 2014-03-26
STANLEY AGRI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] All there are some problems in the above prior art, as its production process belongs to simple physical blending, various nutrients can not be organically mixed, and the structure is relatively loose; in some production processes, water is added, and the fertilizer is easy to harden and lose efficacy during storage, so it cannot good for storage

Method used

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  • Tower-type melt granulation water-soluble fertilizer containing fulvic acid potassium macroelement and preparation method for fertilizer
  • Tower-type melt granulation water-soluble fertilizer containing fulvic acid potassium macroelement and preparation method for fertilizer
  • Tower-type melt granulation water-soluble fertilizer containing fulvic acid potassium macroelement and preparation method for fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Raw material ratio: 510 parts of ammonium phosphorus nitrate, 170 parts of potassium nitrate, 299 parts of potassium dihydrogen phosphate, 6 parts of boric acid, 7.7 parts of EDTA chelated iron, 3.3 parts of EDTA chelated zinc, 4 parts of EDTA chelated manganese.

[0038] Preparation steps:

[0039] 1. Melt 510 parts of ammonium nitrate at high temperature (150°C~165°C), enter the buffer tank, pressurize it through the delivery pump, and send it to the mixing tank at the top of the tower after metering.

[0040] 2. Premix 6 parts of boric acid, 3.3 parts of EDTA chelated zinc, 7.7 parts of EDTA chelated iron, and 4 parts of EDTA chelated manganese in a certain proportion, and then mix the mixture with 299 parts of potassium dihydrogen phosphate and 170 parts of nitric acid After the potassium is measured separately, it is sent into the mixer and mixed thoroughly. The mixed raw materials are sent to the mixing heater after being crushed and screened, heated to 70°C-90°C...

Embodiment 2

[0044] Raw material ratio: 495 parts of ammonium phosphorus nitrate, 170 parts of potassium nitrate, 304 parts of potassium dihydrogen phosphate, 6 parts of boric acid, 7.7 parts of EDTA chelated iron, 3.3 parts of EDTA chelated zinc, 4 parts of EDTA chelated manganese, fulvic acid Potassium 10 parts.

[0045] The specific implementation steps are the same as the implementation example 1.

[0046]The obtained product specification is 18-18-18, containing 0.1% boron, 0.1% chelated iron, 0.05% chelated zinc, 0.05% chelated manganese, and 1% potassium fulvic acid.

Embodiment 3

[0048] Phosphorous ammonium nitrate 490 parts, potassium nitrate 170 parts, potassium dihydrogen phosphate 304 parts, boric acid 6 parts, EDTA chelated iron 7.7 parts, EDTA chelated zinc 3.3 parts, EDTA chelated manganese 4 parts, potassium fulvic acid 15 parts.

[0049] The specific implementation steps are the same as the implementation example 1.

[0050] The obtained product specification is 18-18-18, containing 0.1% boron, 0.1% chelated iron, 0.05% chelated zinc, 0.05% chelated manganese, and 1.5% potassium fulvic acid

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Abstract

The invention discloses a tower-type melt granulation water-soluble fertilizer containing fulvic acid potassium macroelement and belongs to the technical field of water-soluble fertilizers. The water-soluble fertilizer is prepared from the following raw materials in parts by weight: 490-510 parts of ammonium nitrate-phosphorus, 170 parts of nitrate potassium, 299-304 parts of monopotassium phosphate, 6 parts of boric acid, 3.3 parts of EDTA (ethylene diamine tetraacetic acid) zinc, 7.7 parts of EDTA ferrum, 4 parts of EDTA manganese and 0 to 15 parts of fulvic acid potassium. The tower-type melt granulation water-soluble fertilizer is balanced and stable in nutrition, has a smooth appearance, is difficult to harden, has a scientific and reasonable formula, is comprehensively nutritious and deserves to be popularized.

Description

technical field [0001] The invention relates to the technical field of water-soluble fertilizers, in particular to a water-soluble fertilizer containing a large amount of potassium fulvic acid. Background technique [0002] Humic acid is a macromolecular organic substance that exists widely in nature. It is widely used in various fields such as agriculture, forestry, animal husbandry, petroleum, chemical industry, building materials, medicine and health, and environmental protection, spanning dozens of industries. According to the solubility of humic acid in the solvent, it can be divided into three components: ①The part soluble in acetone or ethanol is called brown humic acid; ②The part insoluble in acetone is called black humic acid; ③The part soluble in water or dilute acid Some are called fulvic acid (also known as fulvic acid). The basic structure of the humic acid macromolecule is an aromatic ring and an aliphatic ring, and there are functional groups such as carboxyl...

Claims

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Application Information

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IPC IPC(8): C05G1/00
Inventor 高进华陈迪荣何守学王婷婷周丽
Owner STANLEY AGRI GRP CO LTD
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