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Anti-blocking agent of fertilizer and application thereof

An anti-caking agent and fertilizer technology, applied in the direction of application, fertilizer mixture, fertilization device, etc., can solve the problems of unsuitable domestic production technology, low universality, uneven products, etc. Strong adaptability and easy-to-use effects

Active Publication Date: 2015-02-18
ANHUI FURUIXUE CHEM SCI & TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the anti-caking agents used in the market have the following deficiencies: 1. The price is expensive, the universality is low, and it is not suitable for domestic production processes; 2. The products are uneven and the effect is poor

Method used

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  • Anti-blocking agent of fertilizer and application thereof
  • Anti-blocking agent of fertilizer and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The present embodiment is the anti-caking agent (percentage by weight) of powder compound fertilizer containing the following components:

[0042] 70% mica, 2% stearic acid, 4% oleic acid amide, 4% higher carbon alcohol, 20% polystyrene modified by sodium polyacrylate.

[0043] Production method of the present invention is:

[0044] (1) Add 70kg of mica into a ball mill and grind to 800 mesh to obtain powder A, which is set aside;

[0045] (2) Add 20kg of polystyrene modified by sodium polyacrylate into the jet mill and grind to 800 mesh to obtain powder B for later use;

[0046] (3) Add 2kg of stearic acid, 4kg of oleic acid amide, and 4kg of high-carbon alcohol into the dissolution tank, and mix for 10 minutes to obtain mixture C, which is set aside;

[0047] (4) Put powder A and mixture C into the modification machine, carry out modification treatment, control the temperature at 100°C, stir for 30 minutes, cool down, and obtain powder D for later use.

[0048] (5)...

Embodiment 2

[0051] The present embodiment is the anti-caking agent (percentage by weight) of powder compound fertilizer containing the following components:

[0052] 50% mica, 10% vermiculite, 10% illite, 2% stearic acid, 4% high carbon alcohol, 4% C22 alkylamine, cross-linked low-substituted hydroxypropyl cellulose (L-HPC) modified 10% polyethylene, 10% polypropylene modified by sodium polyacrylate.

[0053] Production method of the present invention is:

[0054] (1) Put 50Kg of mica, 10Kg of vermiculite, and 10Kg of illite into the mixer, mix for 10 minutes, then add it into a ball mill and grind it to 800 mesh to obtain powder A for use;

[0055] (2) Add 10Kg of sodium polyacrylate-modified polypropylene and 10Kg of modified low-substituted hydroxypropyl cellulose-modified polyethylene into a jet mill and grind to 800 mesh to obtain powder B for later use;

[0056] (3) Add 2kg of stearic acid, 4kg of higher alcohol, and 4kg of C22 alkylamine into the dissolving tank, and mix for 10 m...

Embodiment 3

[0061] The present embodiment is the anti-caking agent (percentage by weight) of powder compound fertilizer containing the following components:

[0062] Mica 50%, clay 5%, vermiculite 15%, silane coupling agent kh560: 2%, higher alcohol 4%, C22 alkylamine 4%, cross-linked PVP modified polypropylene 10%, CMS- Na modified polystyrene 10%.

[0063] Production method of the present invention is:

[0064] (1) Put 50Kg of mica, 15Kg of vermiculite, and 5Kg of white clay into the mixer, mix for 10 minutes, then add it into a ball mill and grind it to 800 mesh to obtain powder A for later use;

[0065] (2) Add 10Kg of CMS-Na-modified polystyrene and 10Kg of cross-linked PVP-modified polypropylene into the jet mill and grind to 800 mesh to obtain powder B for later use;

[0066] (3) Add 2kg of silane coupling agent, 4kg of higher alcohol, and 4kg of C22 alkylamine into the dissolution tank, and mix for 10 minutes to obtain mixture C, which is set aside;

[0067] (4) Put powder A an...

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Abstract

The invention relates to an anti-blocking agent of a fertilizer. The anti-blocking agent is prepared from the following components in percentage by weight: 45-85% of natural ore powder, 5-20% of a modifier and 10-50% of modified plastic, wherein the natural ore powder is in a layered structure and has water swellable disintegration capacity, and the modifier is one or a mixture of more of a silane coupling agent, a phosphate coupling agent, a titanate coupling agent, stearic acid and salts thereof, oleamide, high alcohols and C14-C22 alkylamine. The anti-blocking agent of the fertilizer provided by the invention has the characteristics of convenience in addition to use, good anti-blocking effect and no block of the fertilizer stored for over half a year. The anti-blocking agent of the fertilizer is strong in universality and suitable for compound fertilizers such as urea-based, nitryl, chlorine-based and sulfenyl compound fertilizers or similar particle fertilizers.

Description

technical field [0001] The invention relates to the field of chemical fertilizers, in particular to an anti-caking agent for chemical compound fertilizers. Background technique [0002] At present, the main raw materials for the production of compound (mixed) fertilizers are: urea, ammonium chloride, ammonium nitrate, ammonium sulfate, monoammonium phosphate, diammonium phosphate, superphosphate, heavy calcium, potassium chloride, potassium sulfate, etc. These fertilizers are It has higher solubility and lower moisture absorption point, and the moisture absorption point of compound (mixed) fertilizers made from them is lower than that of single fertilizers, which also causes the compound (mixed) fertilizers made of these fertilizers to be damaged during storage and transportation. It is easier to agglomerate, and the agglomerated fertilizer needs to be broken during use and testing, which not only increases the labor load, but also has potential unsafe factors, which brings ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 刘清白李建勇梁润娟
Owner ANHUI FURUIXUE CHEM SCI & TECH INC
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