A kind of production method of high-tower organic-inorganic compound fertilizer

A production method and compound fertilizer technology, which can be applied to fertilization devices, fertilizer mixtures, agricultural gas emission reduction, etc., can solve the problems of poor appearance quality, low market acceptance rate, and insoluble residues of humic acid organic-inorganic compound fertilizers. Enhance water and fertilizer retention capacity, improve solubility, smooth and round appearance

Inactive Publication Date: 2011-12-21
河南财鑫实业化工有限责任公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a production method of high-tower organic-inorganic compound fertilizer, which solves th...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A production method of high-tower organic-inorganic compound fertilizer, including mixing slurry, granulating, cooling, and screening, adding active humic acid into the first-level mixing tank of the high-tower, and heating the added urine to 105-115°C , after being mixed, it flows into the secondary mixing tank, and other raw materials are also sent into the secondary mixing tank. The prepared mixed slurry is sent to the high tower granulator for granulation, and the obtained mixed slurry is used as the liquid phase of compound fertilizer granulation. Send it to the high tower granulator for granulation.

[0018] The treatment method of the activated humic acid is: drying lignite humic acid raw material, then crushing to 40-60 mesh, and then mixing the humic acid, ammonium bicarbonate and water in a ratio of 10:2:(1-3) Retting ammonification, activation treatment for 7-14 days, the preferred proportion of humic acid in the total compound fertilizer is 30%; humic acid r...

Embodiment 2

[0023] A kind of production method of high-tower organic-inorganic compound fertilizer, calculate according to 1 ton of ingredients, use 0.61 ton of urea, 0.09 ton of potassium chloride, 0.35 ton of active humic acid, during the production process, urea is measured, melted and made into urine and sent to a The first-stage mixing tank, the active humic acid is sent to the first-stage mixing tank after the water is removed by the high-tower elevator, the mixing heater is metered, and the urine-active humic acid made by the first-stage mixing tank is mixed into the second-level mixing tank; After the potassium chloride raw material is measured, it is sent to the tower by another high tower hoist, and then sent to the secondary mixing tank. The prepared mixed slurry enters the granulator, and is sprayed by a special nozzle into the granulation tower for cooling and granulation. The granular material is cooled, screened, and anti-caking to obtain qualified products. The fine powder ...

Embodiment 3

[0025] A kind of production method of high-tower organic-inorganic compound fertilizer, according to 1 ton of batching calculation, use 0.52 tons of urea, 0.12 tons of monoammonium phosphate, 0.08 tons of potassium chloride, 0.33 tons of active humic acid (0.28 tons of dry matter), produce During the process, urea is measured and melted to make urine and sent to the first-stage mixing tank. Humic acid is removed from the water by the high-tower elevator through the mixing heater, and then sent to the first-stage mixing tank after metering. The urine made from the first-stage mixing tank The liquid-humic acid slurry enters the secondary mixing tank; the raw materials of monoammonium phosphate and potassium chloride are sent to the tower through another high tower elevator, and then sent to the secondary mixing tank. The prepared mixed slurry enters the granulator, and is sprayed by a special nozzle into the granulation tower for cooling and granulation. The granular material is ...

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Abstract

A kind of production method of high-tower organic-inorganic compound fertilizer, comprising slurry mixing, granulation, drying, cooling, screening, active humic acid is added in urine, after fully mixing, the obtained mixed slurry is sent into high Tower granulator granulation. The present invention uses active humic acid as the filling material produced by high-tower compound fertilizer, which can not only solve the problem of low nitrogen utilization rate, but also improve the solubility of the product, and combine the synergistic function of humic acid with fertilizer production, It is possible to develop a multifunctional, synergistic and value-added fertilizer. Using the two-stage mixing granulation technology, the problem of the imbalance of the solid-liquid ratio caused by the large solid ratio in the production of organic and inorganic fertilizer products in the high-tower production line is solved; during the production process, urine and humic acid are mixed in the first-stage mixing tank to cause chelation Combination reaction, change their internal valence bond structure, form a large number of stable complex substances, and also help to improve the sustained release of urea.

Description

technical field [0001] The invention relates to a production method of an organic-inorganic compound fertilizer, in particular to a slow-release fertilizer production method in which humic acid and polyaspartic acid are added in the process of the organic-inorganic compound fertilizer. Background technique [0002] Research and application results at home and abroad have shown that polyaspartic acid, as a plant nutrient absorption accelerator, is suitable for a variety of plants and soils. Its main characteristics when used in conjunction with chemical fertilizers are: (1) reduce the loss of chemical fertilizers, activate nutrient elements, Improve the utilization rate of chemical fertilizers, thereby reducing the amount of chemical fertilizers by 30%, increasing the yield by 10%-30%; (2) promoting the absorption of trace elements such as iron, zinc, and manganese by crops. (3) Promote early maturity of crops by 7-10 days and prolong the harvest period by 10-15 days; (4) Pro...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/08C05G3/04C05G3/80C05G3/90
CPCY02P60/21
Inventor 李霄峰李现才田汉民郝天才
Owner 河南财鑫实业化工有限责任公司
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