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Method for producing high-tower nitro-sulfenyl compound fertilizer and production system applying method

A compound fertilizer and production system technology, applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve the problems of high residue, easy pulverization, high particle strength of nitrosulfur-based compound fertilizer, etc.

Active Publication Date: 2013-01-09
徐州市芭田生态有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of production method of high-tower nitrosulfur-based compound fertilizer, the nitrosulfur-based compound fertilizer granule strength that this method produces is high, the residue amount after dissolving is few, solves the problem that existing nitrosulfur-based compound fertilizer is easy to pulverize , The problem of high residue after dissolution

Method used

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  • Method for producing high-tower nitro-sulfenyl compound fertilizer and production system applying method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: Formula Three Fifteen (15-15-15) Products

[0042] 1. The production method comprises the following steps:

[0043] a) Add 38% (weight) nitrate fertilizer and 20% (weight) monoammonium phosphate (N:P:10-48-0) into melting tank 1 for melting after metering, and overflow to the first level after melting In the mixing tank 2, the melting temperature is 155-165°C;

[0044] b) Add 10.50% (by weight) of monoammonium phosphate (N: P: 10-48-0) and 28% (by weight) of potassium sulfate (KS: 52%) into primary mixing tank 2 after metering, and melt Mixing, the temperature is controlled at 150-165°C, after chelation, the slurry overflows to the secondary mixing tank 3;

[0045] c) Measure 3.0% (weight) of bentonite and 0.5% (weight) of trace elements, enter the secondary mixing tank 3 for chelation, after chelation, it will automatically overflow into the emulsifier 4 for emulsification, and the emulsification temperature is lower than 140°C;

[0046] d) After the slu...

Embodiment 2

[0049] Example 2: Formula Three Sixteen (16-16-16) Products

[0050] 1. The production method comprises the following steps:

[0051]a) 37.50% (weight) of nitrate nitrogen fertilizer and 14.00% (weight) of monoammonium phosphate (N:P:10-48-0) are measured and put into melting tank 1 for melting, and the melting temperature is 155~165°C ;

[0052] b) Add 15.00% (weight) industrial monoammonium phosphate (N:P: 12-61-0) and 31% (weight) potassium sulfate (content 52%), after metering, into primary mixing tank 2, melt and mix , the temperature is controlled at 150-165°C, after chelation, the slurry overflows to the secondary mixing tank 3;

[0053] c) 2% (weight) of bentonite and 0.04% (weight) of forming aids for compound fertilizer granulation, after metering, add to the secondary mixing tank 3, after mixing, overflow into the emulsifier 4, and the emulsification temperature is lower than 140°C ;

[0054] d) After the slurry is emulsified, it enters the prilling tower 5 for ...

Embodiment 3

[0057] Example 3: Formula Three Sixteen (16-16-16) Products

[0058] 1. The production method comprises the following steps:

[0059] a) Add 37.50% (weight) of ammonium nitrate and 14.00% (weight) of monoammonium phosphate (N:P:10-48-0) into the melting tank 1 for melting after metering, and the melting temperature is 155~165°C ;

[0060] b) 15.00% (weight) industrial monoammonium phosphate (N: P: 12-61-0) and 31% (weight) potassium sulfate (content 52%), after metering, add to primary mixing tank 2 for mixing, temperature Controlled at 150-165°C, the mixed slurry overflows to the secondary mixing tank 3;

[0061] c) 2.0% (weight) sodium sulfate, 0.02% (weight) molding aid for compound fertilizer granulation, and 0.3% (weight) EDTA zinc pass through the screw feeder, and after metering, enter the secondary mixing tank 3, After mixing, it overflows into the emulsifier 4, and the emulsification temperature is lower than 140°C;

[0062] d) After the slurry is emulsified, it e...

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Abstract

The invention discloses a method for producing a high-tower nitro-sulfenyl compound fertilizer and a production system applying the method. According to the method, one or more mineral raw materials and a forming aid for granulating the compound fertilizer are added into a mixer of a high-tower molten heating system according to the proportioning requirement and are mixed with nitrogen-phosphorus-potassium fertilizers and secondary trace element fertilizers to form a granular compound fertilizer by using a high-efficiency chelation technology and an emulsification granulating technology. According to the nitro-sulfenyl compound fertilizer produced by the method, the strength of granules of which the diameters are between 2.0 and 3.0 millimeters is over 40 N, so that the nitro-sulfenyl compound fertilizer is pressure-resistant and convenient to transport and store, is prevented from agglomerating and pulverizing, and is suitable for the mechanical fertilization of field crops; and after being dissolved in water, the nitro-sulfenyl compound fertilizer can be quickly disintegrated to form powder, suspensions and a few dregs, is suitable for the spraying, drop irrigation and spray irrigation of shed crops and commercial crops, and belongs to the popularization category of national water-saving agriculture industrialization.

Description

technical field [0001] The invention relates to a production method of a high-tower nitrosulfur-based compound fertilizer, and also relates to a production system applying the method. Background technique [0002] The production technology of high-tower nitrosulfur-based compound fertilizer is the combination of nitrate nitrogen technology and high-tower production technology. The products of the high-tower nitrosulfur-based compound fertilizer production technology are rich in nitrate nitrogen, fast in dissolution, easy to be absorbed by crops, combined with long-acting and slow-acting, the water-soluble phosphorus of the product reaches more than 90%, and the soil is not easy to harden. This series of products is especially Suitable for vegetables, fruit trees, rice and other crops. [0003] However, due to the limitations of existing technologies, the common compound fertilizers currently in the market have low particle strength, are easy to pulverize, and generally have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 潘有理刘克学王五州范素民
Owner 徐州市芭田生态有限公司
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