Water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer and preparation method thereof

A technology of potassium phosphorus nitrate and magnesium nitrate hexahydrate, applied in the field of water-soluble phosphorus potassium nitrate calcium magnesium fertilizer and preparation thereof, can solve the problems of high viscosity, easy to break granules, etc. The effect of high grain rate

Pending Publication Date: 2021-03-12
GUIZHOU BATIAN ECOTYPIC ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of water-soluble potassium phosphorus nitrate calcium magnesium fertilizer and its preparation method, aiming at solving the problem of high viscosity and easy broken grains in the process of producing water-soluble potassium phosphorus nitrate calcium magnesium fertilizer in the prior art

Method used

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  • Water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer and preparation method thereof
  • Water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer and preparation method thereof
  • Water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer and preparation method thereof

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[0017] The present invention provides a method for preparing a water-soluble nitrate and potassium calcium magnesium fertilizer, including the following steps:

[0018] S01. The raw material of the water-soluble nitrate, potassium calcium magnesium fertilizer, including six-sme magnesium nitrate, potassium nitrate, ammonium nitrate, potassium phosphate;

[0019] S02. A magnesium nitrate is heated melt to obtain six oxiditrate slurry;

[0020] S03. Potassium nitrate, ammonium nitrate, mixed with a high speed shear to obtain a first mixture, the first mixture and the heating melt-obtained six-nitrate slurry mixed to obtain the first The second mixture was low-speed granulation, cooled, sieve, cooled, cooled, cooled, cuveridium magnesium, and magnesium, which was ≥ 85%.

[0021] Specifically, in the above-described step S01, the raw material of the water-soluble nitrate phosphate calcium magnesium plant is weighed, the raw material comprising six-sme-magnesium nitrate, potassium nitr...

Embodiment 1

[0042] The water-soluble nitrate, phosphate calcium magnesium fertilizers include the following weight components: 14 parts of sampling of signs; 46 potassium nitrate; 37 ammonium nitrate; 3 copper phosphate.

[0043] The preparation method of the hydrolysis of phosphorium calcium magnesium fertilizer is as follows: the raw material of the water-soluble nitrate and potassium calcium magnesium fertilizer, including 14 parts of six-nitrate; 46 potassium nitrate; ammonium nitrate calcium 37 Part; 3 copper phosphate and 3 parts;

[0044] The six-squeezide magnesium sampling was heated at 102 ° C to give no six oxyzon nitrate slurry;

[0045] Potassium nitrate, ammonium ammonium nitrate, mixed with a high speed shear to obtain a first mixture, the high speed shear of 2000 r / min, and the high speed shear time is 2 minutes. The six-membered nitrate magnesium obtained by the first mixture with the heating melting will be mixed to obtain a second mixture, and the second mixture is low-sp...

Embodiment 2

[0048] The water-soluble nitrate phosphate calcium magnesium fertilizers include 45 parts by weight of sampling of six, 18 nitrate; potassium nitrate; 39 ammonium nitrate; 6 copper phosphate.

[0049] The preparation method of the water-soluble nitrate phosphate calcium magnesium fertilizer is suggested with the material of the water-soluble nitrate, the raw material comprising 45 parts of six-water nitrate; 18 parts of nitrate; ammonium nitrate calcium 31 Part; 6 podium phosphate;

[0050] The six-squeezide magnesium gave melt to 104 ° C to give no six-nitrate slurry;

[0051] Potassium nitrate, ammonium nitrate, mixed with a strong mixed granule machine, and perform high-speed shearing to obtain a first mixture, the high speed shear rotation speed of 1800R / min, said The high-speed shear is 1 minute; the six-membered nitrate magnesium gave the first mixture with the heated melt will mix the second mixture, and the second mixture is low-speed granulation, cooling, screening, and...

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Abstract

The invention provides a preparation method of a water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer. The method comprises the following steps: weighing the raw materials of the water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer, wherein the raw materials comprise magnesium nitrate hexahydrate, potassium nitrate, calcium ammonium nitrate and potassium dihydrogen phosphate; heating and melting the magnesium nitrate hexahydrate to obtain magnesium nitrate hexahydrate slurry; and mixing the potassium nitrate, the calcium ammonium nitrate and the potassiumdihydrogen phosphate , performing high-speed shearing to obtain a first mixture, mixing the first mixture with the magnesium nitrate hexahydrate material obtained by heating and melting to obtain a second mixture, and performing low-speed granulation, cooling and screening on the second mixture to obtain the water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer, wherein the granulation rate of the water-soluble phosphorus-potassium-calcium-magnesium nitrate fertilizer is greater than or equal to 85%.

Description

Technical field [0001] The present invention relates to the field of composite fertilizers, and more particularly to a water-soluble nitrate, potassium potassium calcium magnesium and its preparation method thereof. Background technique [0002] my country is an agricultural big country, the crop planting area is large, causing complex and diverse problems in the soil. Soil pollution refers to the activities of people to apply to the substance of human itself and other living hoes to the soil, resulting in a significant amount of harmful ingredients than the original content of the soil, thereby causing the deterioration of soil quality. [0003] With the development of my country's new rural construction, organic agriculture and green agriculture have developed. With the continuous development of agriculture, there are more and more fertilizers of composite multiple components. In order to improve soil physical properties, increase soil fertility, usually add organisms to the mi...

Claims

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Application Information

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IPC IPC(8): C05G1/00
CPCC05B7/00C05C1/00C05C5/00C05C5/02C05C5/04
Inventor 任光耀黄仕英方进黄德明顾春光刘用伦
Owner GUIZHOU BATIAN ECOTYPIC ENG CO LTD
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