Preparation method of high-concentration suspended water soluble fertilizer

A water-soluble fertilizer, high-concentration technology, applied in the direction of magnesium fertilizer, inorganic fertilizer, calcium fertilizer, etc., can solve the problems of waste of resources, polluted soil, increased soil oil content, etc., to increase the content of trace elements, improve the utilization rate, crops good quality effect

Inactive Publication Date: 2018-03-13
SUZHOU FENGBEI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the raw materials used in traditional anti-caking oil products come from petrochemical products, which are coated on the outside of compound fertilizers, which can alleviate the agglomeration of compound fertilizers, but these mineral oils are not easy to degrade when used in the field, pollute the soil, and cause Increased oil content of the soil reduces soil productivity
On the other hand, the current effective utilization rate of granular compound fertilizer is about 32%, resulting in most of the nutrients not being absorbed by the crops, resulting in a waste of resources

Method used

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  • Preparation method of high-concentration suspended water soluble fertilizer

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Effect test

Embodiment 1

[0020] A preparation method of a high-concentration suspended water-soluble fertilizer, comprising the following steps: using a high-content solid water-soluble fertilizer together with a wetting agent, a dispersant, a suspension aid, an antifoaming agent and other surfactants as raw materials, and shearing in a mixing tank Evenly, use a screw pump to pump it into a sand mill equipped with grinding media for grinding and mixing. After grinding to a particle size, it is blended in a brewing kettle to obtain a high-concentration suspended water-soluble fertilizer.

[0021] Further, the high-content solid water-soluble fertilizer is made of minerals rich in phosphorus, potassium, calcium, zinc, iron, manganese, magnesium, boron, molybdenum, barium and other elements, and the N-P-K content is >60%.

[0022] Further, the wetting agent is one or more compounds of sodium lauryl sulfate, alkylnaphthalene sulfonate, fatty alcohol polyoxyethylene ether, and sodium dodecylbenzenesulfonate...

Embodiment 2

[0031] A preparation method of a high-concentration suspended water-soluble fertilizer, comprising the following steps: using a high-content solid water-soluble fertilizer together with a wetting agent, a dispersant, a suspension aid, an antifoaming agent and other surfactants as raw materials, and shearing in a mixing tank Evenly, use a screw pump to pump it into a sand mill equipped with grinding media for grinding and mixing. After grinding to a particle size, it is blended in a brewing kettle to obtain a high-concentration suspended water-soluble fertilizer.

[0032] Further, the high-content solid water-soluble fertilizer is made of minerals rich in phosphorus, potassium, calcium, zinc, iron, manganese, magnesium, boron, molybdenum, barium and other elements, and the N-P-K content is >60%.

[0033] Further, the wetting agent is one or more compounds of sodium lauryl sulfate, alkylnaphthalene sulfonate, fatty alcohol polyoxyethylene ether, and sodium dodecylbenzenesulfonate...

Embodiment 3

[0042] A preparation method of a high-concentration suspended water-soluble fertilizer, comprising the following steps: using a high-content solid water-soluble fertilizer together with a wetting agent, a dispersant, a suspension aid, an antifoaming agent and other surfactants as raw materials, and shearing in a mixing tank Evenly, use a screw pump to pump it into a sand mill equipped with grinding media for grinding and mixing. After grinding to a particle size, it is blended in a brewing kettle to obtain a high-concentration suspended water-soluble fertilizer.

[0043]Further, the high-content solid water-soluble fertilizer is made of minerals rich in phosphorus, potassium, calcium, zinc, iron, manganese, magnesium, boron, molybdenum, barium and other elements, and the N-P-K content is >60%.

[0044] Further, the wetting agent is one or more compounds of sodium lauryl sulfate, alkylnaphthalene sulfonate, fatty alcohol polyoxyethylene ether, and sodium dodecylbenzenesulfonate,...

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Abstract

The invention discloses a preparation method of a high-concentration suspended water soluble fertilizer, wherein the preparation method comprises the following steps: collocating a solid water solublefertilizer with high content with a wetting agent, a dispersing agent, a suspending auxiliary agent, a defoaming agent and other surfactants as raw materials, uniformly shearing in a mixing kettle, pumping into a sand mill filled with a grinding medium by a screw pump, grinding and mixing, and after grinding to reach the particle size, blending in a blending kettle, to obtain the high-concentration suspended water soluble fertilizer. The obtained high-concentration suspended water soluble fertilizer can be rapidly dispersed and dissolved in water, does not block an irrigation system when in use, simplifies package, and also improves the utilization rate of the fertilizer; the used raw materials are environmentally friendly and are easy to degrade, so the fertilizer has no effect on soil and environment after the fertilizer is used for a long time, the content of soil trace elements is increased, and the quality of cultivated crops is better.

Description

technical field [0001] The invention relates to a water-soluble fertilizer, in particular to a high-concentration suspended water-soluble fertilizer. At the same time, the invention also relates to a preparation method of high-concentration suspended water-soluble fertilizer. Background technique [0002] Compound fertilizer is one of the main fertilizers in our country at present. It can not only improve soil fertility, but also an important measure to increase the product per unit area of ​​crops. It is the most basic and most important material input in agricultural production. The early compound fertilizers in my country were mainly based on pellet technology, and the fertilizers produced were mostly granular in appearance, and there was crystallization and agglomeration during the storage period. The countermeasure was to add corresponding anti-caking agents to block water and prevent crystal bridging. Ensure the looseness of compound fertilizer. At present, most of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05D3/00C05G5/27C05D5/00C05D9/02
Inventor 马敏茅雪娟平原任鹏周孟龙
Owner SUZHOU FENGBEI BIOTECH CO LTD
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