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Urea-ammonium mixed nitrogen fertilizer and production method thereof

A technology of urea-ammonium nitrogen fertilizer and ammonium chloride, which is applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of crop boron deficiency, unsatisfactory stress resistance, soil environment deterioration, soil compaction, etc., so as to improve crop economy. Characters, protecting the environment, prolonging the effect of fertilizer effectiveness

Inactive Publication Date: 2014-03-26
GNSG ANHUI HONG SIFANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This not only wastes energy, but also causes the accumulation of harmful substances such as nitrate in soil and water and pollutes the environment
In addition, the existing nitrogen fertilizers have relatively simple nutrition. Although they can promote plant growth, they cannot meet the requirements for boron deficiency and stress resistance of crops, and long-term application will easily lead to soil compaction and deterioration of the soil environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Containing N≥29% urea ammonium nitrogen fertilizer, the specific process operation steps are as follows:

[0039] (1) Measure 357.6kg of ammonium chloride (containing N-24.0%), 35.8kg of ammonium sulfate (containing N-20.5%), and 26.8kg of ammonium bicarbonate (containing N-17.1%) respectively, and chain crush the above raw materials After being crushed by machine, it is sent into the twin-shaft mixer, mixed evenly with 44.0kg bentonite, 44.7kg potassium nitrohumate, 22.4kg boric acid, 0.4kg diethyl hexanoate, and 0.7kg additive, and then sent into the drum granulator;

[0040] (2) Spray 464.9 kg of 95% urea ammonium nitrate solution on the above-mentioned mixture in the drum granulator, and the weight ratio of the two substances in the urea ammonium nitrate solution is urea:ammonium nitrate=1.0:0.2;

[0041] (3) One stage of drying, one stage of cooling and coarse and fine screening are adopted. After screening, particles with a particle size of 2.50-4.50 mm enter the ...

Embodiment 2

[0044] Containing N≥28% urea ammonium nitrogen fertilizer, the specific process operation steps are as follows:

[0045] (1) Measure 214.1kg of ammonium chloride (containing N-24.0%), 57.6kg of ammonium sulfate (containing N-20.5%), and 41.2kg of ammonium bicarbonate (containing N-17.1%) respectively, and chain crush the above raw materials After being crushed by machine, it is sent to the twin-shaft mixer, mixed evenly with 65.0kg bentonite, 57.6kg potassium nitrohumate, 24.7kg boric acid, 0.3kg diethyl hexanoate, and 0.9kg additive, and then sent to the disc granulator;

[0046] (2) Spray 535.2 kg of 94% urea ammonium nitrate solution on the above-mentioned mixture in the disc granulator, and the weight ratio of the two substances in the urea ammonium nitrate solution is urea:ammonium nitrate=1.0:0.4;

[0047] (3) One stage of drying, one stage of cooling and coarse and fine screening are adopted. After screening, particles with a particle size of 2.50-4.50 mm enter the coat...

Embodiment 3

[0050] Containing N ≥ 27% urea ammonium nitrogen fertilizer, the specific process steps are as follows:

[0051] (1) Measure 297.8kg of ammonium chloride (containing N-24.0%), 119.1kg of ammonium sulfate (containing N-20.5%), and 29.8kg of ammonium bicarbonate (containing N-17.1%) respectively, and chain crush the above raw materials After being crushed by machine, it is sent to a twin-shaft mixer, mixed evenly with 68.9kg bentonite, 34.7kg potassium nitrohumate, 17.9kg boric acid, 0.5kg diethyl ethyl hexanoate, and 0.6kg additive, and then sent to a disc granulator;

[0052] (2) Spray 426.8 kg of 93% urea ammonium nitrate solution on the above-mentioned mixture in the disc granulator, and the weight ratio of the two substances in the urea ammonium nitrate solution is urea:ammonium nitrate=1.0:0.5;

[0053] (3) One stage of drying, one stage of cooling and coarse and fine screening are adopted. After screening, particles with a particle size of 2.50-4.50 mm enter the coating m...

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Abstract

The invention discloses a urea-ammonium mixed nitrogen fertilizer and a production method thereof, wherein the urea-ammonium mixed nitrogen fertilizer contains the raw material components by weight: 300-600 parts of urea ammonium nitrate solution, 180-400 parts of ammonium chloride, 20-250 parts of ammonium sulfate, 10-100 parts of ammonium bicarbonate, 20-100 parts of bentonite, 20-80 parts of potassium nitrohumate, 10-50 parts of boric acid, 0.2-0.7 parts of diethyl aminoethyl hexanoate, 1-6 parts of liquid anti-blocking agent, and 0.5-1 part of additive. The urea-ammonium mixed nitrogen fertilizer provided by the invention has advantages of high fertilizer utilization rate, high crop yield, soil improvement and fertility betterment, low cost, simple technology, safety application and high benefit.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a urea ammonium nitrogen fertilizer and a production method thereof. Background technique [0002] At present, the fertilizer effect on most crops in my country is still the highest with nitrogen fertilizer. Nitrogen is a nutrient element with special significance in plant life. Nitrogen fertilizer is the most widely used fertilizer in agriculture. Nitrogen fertilizer products mainly include urea, ammonium chloride, ammonium sulfate, ammonium bicarbonate, ammonium nitrate and liquid ammonia. Once ordinary nitrogen fertilizer is applied to the soil, it will undergo a series of biochemical changes under the action of various soil microorganisms and the enzymes they secrete, constantly changing its form, making it more mobile in the soil, and even leaching with water and following Gaseous volatile loss. According to estimates, the seasonal utilization rate of nitrogen fertiliz...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 谢中平陈勇束维正樊荣琦刘洪滨王莉刘晓晖陈国庆郑兴来
Owner GNSG ANHUI HONG SIFANG
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