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Special functional melt granulated humic acid fertilizer and production method thereof

A technology of melt granulation and humic acid, applied in application, fertilization equipment, fertilizer mixture, etc., can solve the problems of few reports on fertilizers, achieve the effects of improving soil structure, reducing production costs, and improving fertilizer utilization

Active Publication Date: 2014-05-14
STANLEY AGRI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Through retrieval, it is found that there are few reports in the prior art on fertilizers that improve fertilizer efficiency, enhance soil activity and are environmentally friendly

Method used

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  • Special functional melt granulated humic acid fertilizer and production method thereof
  • Special functional melt granulated humic acid fertilizer and production method thereof
  • Special functional melt granulated humic acid fertilizer and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Melt 494 parts of urea at a high temperature to about 140°C, enter the buffer tank, pressurize it through a delivery pump, and pump it into the top mixer;

[0057] After measuring 261 parts of monoammonium phosphate, 126 parts of potassium chloride, 100 parts of humic acid and 19 parts of additive calcium powder, send them into the mixer and mix them well. Heat it to about 90°C, and send it to the top silo with a bucket elevator;

[0058] The hot mixture in the silo at the top of the tower is sent to the above-mentioned mixer after being measured by a spiral weighing scale, and mixed by a high-speed shear mixer to make a thin paste material. The temperature is controlled at about 110 ° C, and the particulate impurities are filtered out by a vibrating filter. After overflowing to the granulation nozzle, under the centrifugal force of the rotation and shearing of the nozzle, the mixture is evenly sprayed into small spherical droplets. Slowly falling, after heat exchange ...

Embodiment 2

[0060] Get 460 parts of urea, 341 parts of monoammonium phosphate, 81 parts of potassium chloride, 100 parts of humic acid and 18 parts of fillers as raw materials, and the production process is the same as in Example 1;

[0061] The obtained product specification is N-P2O5-K2O(25-15-5).

[0062] In order to test the application of melt granulated humic acid functional special fertilizer in agriculture, Stanley Company commissioned the National Wheat Research Center to conduct an experiment. This experimental study compares the effects of different fertilizers on wheat yield, nutrient utilization, and plant physiology and ecology, and evaluates the economic benefits of various fertilizers, providing a scientific basis for the promotion and application of melt granulated humic acid functional fertilizers.

[0063] 1. Test material

[0064] The experiment was carried out at the Jiaozuo Wenxian Base of the National Wheat Research Center. Wenxian County is located in the northwes...

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Abstract

The invention discloses a special functional melt granulated humic acid fertilizer and a production method thereof. The production method comprises the following steps: proportionally weighing urea, monoammonium phosphate, potassium chloride, humic acid and additives as raw materials; adding preheated monoammonium phosphate, potassium chloride, humic acid and other powdery materials into the urea molten liquid; under the actions of molten liquid temperature and mechanical stirring, quickly compounding an eutectoid with certain flowing property; granulating by a spray granulation technique in a granulation tower; and when the sprayed drops in the falling process in the granulation tower exchange heat with ascending air flow to be quickly cooled and solidified, forming the special functional melt granulated humic acid fertilizer. The special fertilizer disclosed by the invention has the advantages of high fertilizer efficiency and environmental protection, enhances the soil activity, and conforms to the development trend of the green environmental-protection fertilizer.

Description

technical field [0001] The invention relates to the technical field of compound fertilizer production, in particular to a melt granulated humic acid functional special fertilizer and a production method thereof. Background technique [0002] Fertilizers are the material guarantee for the sustainable development of agriculture and the basis for increasing grain production. However, due to the short validity period and low utilization rate of chemical fertilizers, a huge amount of nitrogen fertilizer is lost through volatilization, leaching and runoff. The large loss of chemical fertilizers has caused a series of environmental problems, such as eutrophication of surface water, serious pollution of lakes, deterioration of soil ecological environment, decline of soil fertility, various crop deficiency diseases and physiological diseases, which directly affect the growth of crops. yield and quality. At present, the general trend of fertilizer development at home and abroad is m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G3/00
Inventor 高进华周丽陈大印解学仕赵玉平
Owner STANLEY AGRI GRP CO LTD
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