Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof

A technology of uric acid and compound fertilizer, which is applied in fertilizer mixture, fertilization device, application and other directions, can solve the problems of inability to meet product quality and cost requirements, obvious influence of granulation and drying, weakening of crop production capacity, etc. Effects of crop stress resistance, improvement of agricultural product quality, and nutrient utilization efficiency

Active Publication Date: 2010-12-22
CNSG ANHUI HONG SIFANG FERTILIZER IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the production of domestic compound fertilizers has problems such as high energy consumption, high pollution, and large investment. Compound fertilizer companies are facing fierce market competition. It is very important for products to have competitive advantages. Compound fertilizers containing fillers are affected by fillers. Poor instant solubility, dissolved residues, unstable appearance and color, and the characteristics of raw materials have a significant impact on the granulation and drying of compound fertilizers containing fillers, resulting in high energy consumption and high manufacturing costs, which can no longer meet the market's requirements for product quality and cost
[0004] In the face of increasingly serious global food security problems, simply increasing the amount of fertilizer used in order to increase food production will inevitably lead to the problem of excessive fertilization. The main hazards are: weakening the production capacity of crops; aggravating environmental pollution; wasting a lot of scarce resources, developing synergistic fertilizers, It can improve the utilization rate of fertilizer, reduce the amount of fertilizer applied, reduce environmental pollution, and alleviate the shortage of energy in our country

Method used

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  • Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof
  • Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Total nutrients (N+P 2 o 5 +K 2 O) ≥ 51%, the specification is 17-17-17 chlorine-containing type synergistic compound fertilizer without filler, and the specific process operation steps are as follows:

[0033] (1) Measure 33.5 kilograms of potassium chloride (containing K 2 O-60%), 42.1 kg of monoammonium phosphate (containing N-10%, containing P 2 o 5 -48%), 13.0 kilograms of ammonium chloride (containing N-23.6%), 11.4 urea (containing N-46.2%), the above-mentioned raw materials are crushed and mixed uniformly, and the mixed material is sent into the drum granulator;

[0034] (2) Spray 159.1 kg of urine slurry, 26.1 kg of liquid ammonia, and 22.7 kg of dilute sulfuric acid per ton of mixed material in the granulator;

[0035] (3) One-stage drying, two-stage cooling and coarse and fine screening are adopted. After screening, the qualified particles enter the special coating machine, the large particles return to crushing, and the fine particles return to granulat...

Embodiment 2

[0039] Total nutrients (N+P 2 o 5 +K 2 O) ≥ 48%, the specification is 25-13-10 chlorine-containing synergistic compound fertilizer without filler, and the specific process operation steps are as follows:

[0040] (1) Measure 21.1 kilograms of potassium chloride (containing K 2 O-60%), 37.4 kg of monoammonium phosphate (containing N-11%, containing P 2 o 5 -44%), 10.2 kilograms of ammonium chloride (containing N-23.6%), 31.3 kilograms of urea (containing N-46.2%), the above-mentioned raw materials are crushed and mixed uniformly to obtain a mixed material, which is sent into a drum granulator;

[0041] (2) Spray 217.6 kg of urine slurry, 28.5 kg of liquid ammonia, and 27.3 kg of dilute sulfuric acid per ton of mixed material in the granulator;

[0042] (3) One-stage drying, two-stage cooling and coarse and fine screening are adopted. After screening, the qualified particles enter the special coating machine, the large particles return to crushing, and the fine particles re...

Embodiment 3

[0046] Total nutrients (N+P 2 o 5 +K 2 O) ≥ 45%, the specification is the synergistic compound fertilizer of 15-15-15 potassium sulfate type without filler, and concrete technological operation step is as follows:

[0047] (1) Measure 36.2 kilograms of potassium sulfate (containing K 2 O-50%), 41.5 kg of monoammonium phosphate (containing N-11%, containing P 2 o 5 -44%), 22.3 kilograms of ammonium sulfate (containing N-20.5%), the above-mentioned raw materials are crushed and uniformly mixed to obtain a mixed material, which is sent into a drum granulator;

[0048] (2) Spray 191.5 kg of urine slurry, 27.7 kg of liquid ammonia, and 23.4 kg of dilute sulfuric acid per ton of mixed material in the granulator;

[0049] (3) One-stage drying, two-stage cooling and coarse and fine screening are adopted. After screening, the qualified particles enter the special coating machine, the large particles return to crushing, and the fine particles return to granulation;

[0050] (4) Fo...

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Abstract

The invention discloses a filler-free synergistic compound fertilizer produced by a urine syrup ammonia-acid method to pelletize and a production method thereof. The production method thereof comprises the following steps: selecting raw materials according to the product formulation, and metering, crushing and evenly mixing the raw materials; adopting the urine syrup ammonia-acid revolving drum pelleting process, carrying out first-segment drying, second-segment cooling and coarse and fine screening on the mixture, and then feeding the screened mixture into a coating machine; utilizing the front end of the coating machine to spray fertilizer synergist by a continuous pulverization coating method, utilizing the middle end of the coating machine to spray pasty anti-blocking agent, and utilizing the tail end of the coating machine to add powdery anti-blocking agent; and adequately stirring and packaging to obtain the finished product. The filler-free synergistic compound fertilizer produced by the pelleting process of the urine syrup ammonia-acid method has small investment, simple operation, low production cost, obvious energy conservation effect, beautiful product appearance, good dissolubility and improved nutrient utilization ratio; and after the filler-free synergistic compound fertilizer is applied to crops, production and income are increased.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a synergistic compound fertilizer without fillers produced by the urine plasma amino acid method. Background technique [0002] Fertilizer is the food of plants, an extremely important means of agricultural production, and an important guarantee for the development of agricultural production and national food security. With the continuous development of my country's chemical fertilizer industry and agricultural production, compound fertilizer, as a fertilizer with relatively complete nutrients, has developed rapidly in recent decades. [0003] At present, the production of domestic compound fertilizers has problems such as high energy consumption, high pollution, and large investment. Compound fertilizer companies are facing fierce market competition. It is very important for products to have competitive advantages. Compound fertilizers containing fillers are affected by fill...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 罗斌谢中平孙锡林陈勇束维正樊荣琦郑兴来刘洪滨胡长青李莉刘晓晖
Owner CNSG ANHUI HONG SIFANG FERTILIZER IND CO LTD
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