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Ammonium chloride anti-blocking agent composition and application

An anti-caking agent, ammonium chloride technology, applied in the application, fertilizer mixture, ammonium salt fertilizer and other directions, can solve the problems of complex preparation, high cost, large amount of anti-caking agent added, etc., and achieves simple use and cost of use. Low, good anti-caking effect

Active Publication Date: 2011-06-01
DALIAN RES & DESIGN INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Chinese Invention Patent Publication CN101112997A (Beijing Huamei Tianyi Science and Technology Development Co., Ltd. An ammonium chloride anti-caking agent and its application in the preparation of anti-caking ammonium chloride. 2008-01-30) provides an asparagus The composition of amino acid polymer and simulated superoxide dismutase is very desirable from the perspective of protecting the environment and improving fertilizer efficiency, but the addition of the anti-caking agent is large, and its preparation is complicated and the cost is high

Method used

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  • Ammonium chloride anti-blocking agent composition and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh 1 kg of the above-mentioned maleic anhydride-acrylic acid polymer, 1 kg of potassium polyacrylate, 1 kg of potassium polyaspartate (the weight ratio of solid content is 1:1:1), 1.5 kg of sodium dodecyl diphenyl ether disulfonate g (0.05% of the total weight of the composition) was poured into a mixing tank and mixed uniformly to obtain the ammonium chloride anti-caking agent composition 1.

Embodiment 2

[0030] Weigh 0.5kg of the above-mentioned maleic anhydride-acrylic acid polymer, 1.5kg of potassium polyacrylate, 1.5kg of potassium polyaspartate (containing solid weight ratio 0.5: 1.5: 1.5), and dodecyl diphenyl ether disulfone 3.5 grams of sodium chloride (0.1% of the total weight of the composition) was poured into a mixing tank and mixed uniformly to obtain the ammonium chloride anti-caking agent composition 2.

Embodiment 3

[0032] Take by weighing 0.8kg of the above-mentioned maleic anhydride-acrylic acid polymer, 1.2kg of potassium polyacrylate, 0.8kg of potassium polyaspartate (containing solid weight ratio 0.8:1.2:0.8), and dodecyl diphenyl ether disulfone Sodium bicarbonate 2g (0.07% of the total weight of the composition) was poured into a mixing tank and mixed uniformly to obtain the ammonium chloride anti-caking agent composition 3.

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Abstract

The invention relates to an ammonium chloride anti-blocking agent. The anti-blocking agent comprises maleic anhydride-acrylic polymer, potassium polyacrylate, potassium polyaspartate and dodecyl diphenyl ether sodium disulfonate. The anti-blocking agent has the advantages of low consumption, low cost, good performance, high efficiency, no pollution and the like, and is easy to use. The invention also relate to an application method of the anti-blocking agent in ammonium chloride production, namely the anti-blocking agent is diluted into 1.5 to 3 percent solution by using water, the solution is uniformly atomized and sprayed on an ammonium chloride conveyer belt in back of a separator, and the mass percentage of the added anti-blocking agent is 30-120*10<-6>g / L. When the anti-blocking agent is added into the dry or wet ammonium chloride by adopting the method, the blocking rate reaching the standard in 8 months can be ensured under an open air environment in atrocious weathers.

Description

technical field [0001] The invention belongs to the field of agricultural chemical fertilizer additives, in particular to an agricultural ammonium chloride anti-caking agent and its application in the preparation of anti-caking ammonium chloride. Background technique [0002] At present, the annual output of ammonium chloride in my country's combined alkali industry has reached nearly 10 million tons, except for a small amount of ammonium chloride refined into industrial grade ammonium chloride, most of which are used as nitrogen fertilizers. Agricultural ammonium chloride can be used as compound fertilizer or directly fertilized. [0003] Due to the change of temperature, humidity, pressure and other factors during the storage and transportation of ammonium chloride, it is easy to repeatedly dissolve-crystallize-redissolve-recrystallize on the surface of ammonium chloride crystals, causing a "crystal bridge" phenomenon between the crystals, causing Agglomeration brings gre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05C3/00
Inventor 陈萍王金福
Owner DALIAN RES & DESIGN INST OF CHEM IND
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