A kind of phosphate fertilizer containing amino acid and preparation method thereof

A technology of amino acid and phosphate fertilizer, applied in fertilization equipment, fertilizer mixture, application, etc., can solve the problems of large amino acid damage, low humic acid activity, and high cost, and achieve the effect of activating intolerant salts, simple preparation process, and low cost

Active Publication Date: 2016-04-20
ZHANJIANG BOTAI BIOCHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN201210549914.4 discloses an active phosphate fertilizer and its preparation method. This patent technology uses concentrated acid to hydrolyze protein, which greatly damages amino acids and can only obtain part of acidic amino acids. Secondly, the weathered coal used is not activated, and its humic acid activity is low. , In addition, the patented technical method takes a long time, the cost is high, and it takes about 10 days to prepare the active phosphate fertilizer

Method used

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  • A kind of phosphate fertilizer containing amino acid and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] 1) Weigh each raw material according to the following parts by mass: 5~15 parts of basic amino acid, 3~5 parts of basic mineral powder, 65~80 parts of phosphate fertilizer, 5~15 parts of humic acid; the binder is saturated with Ca(OH) 2 5-8 parts, 10-30 parts of 25%-28% (w / w) ammonia water;

[0038] 2) Mix alkaline mineral powder (MgO content in alkaline mineral powder ≥ 38%) with saturated Ca(OH) 2 Mix evenly, make agglomerates, put them back into the brick kiln for calcination, the calcination time is 3~5h, the calcination temperature is 900~1100℃, cool after calcination, crush through a sieve of more than 80 mesh, and obtain the alkaline powder with MgO content ≥ 38% ;

[0039] 3) Mix the above alkaline powder with phosphate fertilizer and react at 70~85°C for 3.5~4.5h;

[0040] 4) Mix humic acid and ammonia water, and react for 3~4 hours under airtight conditions, and the reaction temperature is 60~80°C;

[0041] 5) Mix the reaction products obtained in step 3) a...

Embodiment 2

[0043] 1) Weigh each raw material according to the following parts by mass: 10 parts of basic amino acid, 4 parts of basic mineral powder, 73 parts of phosphate fertilizer, 10 parts of humic acid; saturated Ca(OH) 2 6 parts, 15 parts of 25% (w / w) ammonia water;

[0044] 2) Mix alkaline mineral powder (MgO content in alkaline mineral powder ≥ 38%) with saturated Ca(OH) 2 Mix evenly, make agglomerates, put them back into the brick kiln for calcination, the calcination time is 4 hours, the calcination temperature is 1000°C, cool after calcination, crush through 80 mesh sieve, and obtain the alkaline powder with MgO content ≥ 38%;

[0045] 3) Mix the above alkaline powder with phosphate fertilizer and react at 80°C for 4 hours;

[0046] 4) Mix humic acid and ammonia water, and react for 3.5 hours under airtight conditions, and the reaction temperature is 70°C;

[0047] 5) Mix the reaction products obtained in step 3) and step 4) evenly, add basic amino acid, mix well, react for ...

Embodiment 3

[0049]1) Weigh each raw material according to the following parts by mass: 5 parts of basic amino acid, 5 parts of basic mineral powder, 65 parts of phosphate fertilizer, 15 parts of humic acid; saturated Ca(OH) 2 8 parts, 10 parts of 28% (w / w) ammonia water;

[0050] 2) Mix alkaline mineral powder (MgO content in alkaline mineral powder ≥ 38%) with saturated Ca(OH) 2 Mix evenly, make agglomerates, put them back into the brick kiln for calcination, the calcination time is 3 hours, the calcination temperature is 1100°C, cool after calcination, crush through 80 mesh sieve, and obtain the alkaline powder with MgO content ≥ 38%;

[0051] 3) Mix the above alkaline powder with phosphate fertilizer and react at 70°C for 4.5 hours;

[0052] 4) Mix humic acid and ammonia water, and react for 4 hours under airtight conditions, and the reaction temperature is 60°C;

[0053] 5) Mix the reaction products obtained in step 3) and step 4) evenly, add basic amino acid, mix well, react for 3 ...

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Abstract

The invention discloses an amino acid-containing phosphate fertilizer and a preparation method thereof. The phosphate fertilizer consists of 5-15 parts of basic amino acid, 3-5 parts of basic mineral powder, 65-80 parts of phosphate fertilizer, 5-15 parts of humic acid, and a binder 5-8 parts and 10-30 parts of ammonia water; first mix the alkaline mineral powder with the binder, make agglomerates, put them back into the brick kiln for calcination, cool, crush, and sieve to obtain alkaline powder; mix it with Phosphate fertilizer is mixed evenly to react completely; mix humic acid and ammonia water to react completely under airtight conditions; mix the two reaction products, add basic amino acid, mix well to make the reaction complete, dry, crush and sieve. The humic acid and amino acid content of the phosphate fertilizer of the present invention is ≥8%, which can greatly increase the total nutrients of the phosphate fertilizer and improve the utilization rate; its effective phosphorus content is high, the activity is strong, the free acid content is less than 1%, and it can release the insoluble Phosphorus salt, magnesium salt, etc.; it can also improve the absorption of phosphorus by crops, reduce the amount of chemical fertilizers, and is suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to a phosphate fertilizer containing amino acid and a preparation method thereof, belonging to the field of agricultural fertilizers. Background technique [0002] In recent years, my country's phosphate fertilizer industry has developed rapidly, and large-scale phosphate fertilizer manufacturers have continued to rise, which has gradually changed the status quo of high-end phosphate fertilizers relying on foreign imports. However, limited by technical bottlenecks and production costs, the quality of phosphate fertilizers currently on the market is uneven. Most of the phosphate fertilizers currently used are industrially produced phosphate fertilizers. The content of free acid is too high, which has the disadvantages of being easy to be affected by moisture and caking. At the same time, it can only be used as base fertilizer, and the utilization rate is only 10%-20%. The utilization rate of chemical fertilizers is the lowest. Ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 朱小花戴晓灵王荣辉赵利敏李世海
Owner ZHANJIANG BOTAI BIOCHEM IND
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