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Bulk blended fertilizer and preparing method thereof

A fertilizer and raw material technology, applied in the field of new blended fertilizers and their manufacturing, can solve the problems of large difference in specific gravity, fertilizer damage, and uneven nutrient absorption by plants, and achieve the effects of uniform particle size, high market competitiveness, and smooth particle surface.

Active Publication Date: 2014-05-28
SHENZHEN BATIAN ECOTYPIC ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inconsistent particle size and shape (large-grained potash fertilizers are extruded into granules, and the particle size is non-spherical and flat), the particle size is inconsistent, and the specific gravity of each particle is greatly different, resulting in serious segregation of the blended fertilizer product. When farmers use it, the plants absorb nutrients unevenly, and in severe cases, it will cause fertilizer damage and reduce crop production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 40-5-0 urea-based nitrogen-phosphorus compound fertilizer 5kg (specific gravity 850kg / m3) and 0-35-25 phosphorus-potassium compound fertilizer (specific gravity 920kg / m3) 4kg, magnesium oxide particles (MgO70% specific gravity 900kg / m3) 0.9kg , trace element particles (specific gravity 880kg / m3) 0.1kg, the particle size of the above particles is 2.0 ~ 3.6mm, after blending, the package is a blended compound fertilizer containing medium and trace elements with a product specification of 20-16.5-10.

Embodiment 2

[0025] With 32-0-5 nitro nitrogen and potassium compound fertilizer 4kg (proportion 870kg / m3) and 0-5-45 phosphorus and potassium compound fertilizer 2kg (proportion 940kg / m3) and 15-15-15 nitrogen, phosphorus and potassium compound fertilizer 3.5kg ( specific gravity 890kg / m3), sulfur particles 0.45kg (specific gravity 890kg / m3), trace element particles 0.05kg (specific gravity 880kg / m3), the particle size of the above particles is 2.0 ~ 3.6mm, after mixing, the packaging is containing sulfur and The product specifications of medium and trace elements are blended compound fertilizers of 18.05-6.25-14.25.

Embodiment 3

[0027] 4.5kg (specific gravity 890kg / m3) of 15-15-15 nitro-nitrogen phosphorus potassium compound fertilizer and 2.5kg (specific gravity 850kg / m3) of 20-10-18 urea-based nitrogen phosphorus potassium compound fertilizer and 18-46-0 nitrogen phosphorus Compound fertilizer 2.5kg (specific gravity 900kg / m3), calcium sulfate granules 0.45kg (specific gravity 890kg / m3), trace element granules 0.05kg (specific gravity 880kg / m3), the particle size of the above particles is 2.0-3.6mm, after blending The packaging is a blended compound fertilizer containing calcium and medium and trace elements, and the product specification is 16.25-20.75-11.25.

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Abstract

The invention discloses a bulk blended fertilizer, which is formed by mixing compound fertilizer granular materials and other granular materials according to a ratio, wherein all granular materials are spherical and uniform in grain size. Compared with the current bulk blended fertilizer, the bulk blended fertilizer has the advantages that: nitrogen, phosphorus and potassium nutrients are uniform; grain size is uniform and specific weights of grains are approximate; and the phenomenon that the segregation of the product influences the use is avoided.

Description

technical field [0001] The invention relates to an agricultural blended fertilizer, in particular to a novel blended fertilizer and a manufacturing method thereof. Background technique [0002] Various fertilizers are widely used in agricultural production, mainly elemental fertilizers such as urea, ammonium sulfate, potassium chloride, heavy calcium, etc., and multi-component compound fertilizers containing nitrogen, phosphorus, potassium and other nutrients. It is a granular fertilizer made through certain processes and equipment. They can provide various nutrients for plant growth. It has also contributed to the increase in production and income of farmers. [0003] The blended fertilizers currently used in agricultural production are mainly products made by blending large-grain urea, ammonium phosphate and large-grain potassium fertilizers. Due to the inconsistent particle size and shape (large-grain potassium fertilizer is extruded into granules, the particle size is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G5/00C05G3/00
Inventor 张运森
Owner SHENZHEN BATIAN ECOTYPIC ENG
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