A kind of production method of ammonium phosphate ammonium product
A production method, the technology of ammonium sulfophosphate, applied in fertilizer mixture, fertilization device, application, etc., can solve the problems that there is no method for ammonium sulfophosphate product, and achieve a cost advantage, high compressive strength, and stable nutrients Effect
Active Publication Date: 2014-10-15
WENGFU (GRP) CO LTD
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[0005] In the Chinese patent database, there is currently no method for producing ammonium sulfophosphate of this specification.
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[0020] Wengfu (Group) Co., Ltd. Wengfu Phosphate Fertilizer Factory uses the method of the present invention, utilizes a set of 200kt / a granular monoammonium device to make ammonium sulfate slurry produced by phosphogypsum ammonium sulfate and ammonium phosphate slurry through proportioning and granulation After drying, crushing, screening, washing, coloring and wrapping, ammonium phosphate products are produced. At present, the production capacity of ammonium phosphate products has reached 200kt / a.
[0021] As shown in the figure, (1) Ingredients: use the phosphogypsum by-product of the phosphoric acid plant, the carbon dioxide by-product of the synthetic ammonia plant to react with synthetic ammonia to produce ammonium sulfate slurry, and use the wet-process phosphoric acid to purify the by-product raffinate to react with synthetic ammonia to produce Go out the ammonium phosphate slurry; in a mixing tank 11 with agitator 10, add the ammonium sulfate slurry and the amm...
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The invention discloses a production method of an ammonium phosphate sulfate product. The method comprises the following steps of: producing ammonium sulfate slurry by carrying out a reaction on by-product phosphogypsum of a phosphoric acid device, by-product carbon dioxide of a synthetic ammonia plant and synthetic ammonia; producing ammonium phosphate slurry by carrying out a reaction on by-product raffinate acid of wet-process phosphoric acid purification and the synthetic ammonia; mixing the ammonium sulfate slurry and the ammonium phosphate slurry according to a certain proportion, and adding a proper harmless nutrient regulator, conveying into a granulator / dryer, spraying the slurry and granulating; breaking, screening and washing a semi-finished product to obtain a qualified granular product of 2-4mm; and adding a colorizing agent and a wrapping agent according to needs to obtain the ammonium phosphate sulfate product. The method producing the ammonium phosphate sulfate product by using the ammonium sulfate slurry and the ammonium phosphate slurry has the following characteristics that the product nutrient is stable, the granularity is uniform, the compressive strength is high, the pressure in the environmental protection aspect of enterprises is greatly reduced, and the cost advantage is obvious.
Description
technical field [0001] The invention relates to fertilizer production, in particular to a production method of ammonium phosphate ammonium. Background technique [0002] Ammonium Phosphate has high effective content and complete nutrients. Its use can improve crop quality, increase crop yield, and improve fertilizer utilization rate. It is becoming more and more popular in domestic and foreign markets. [0003] The invention patent is a kind of ammonium sulfophosphate product developed based on market demand. [0004] The product specification (N-P-K-S) is: 13-34-0-6 [0005] In the Chinese patent database, there is no known method for producing this specification of ammonium sulfosulfate product. Contents of the invention [0006] The purpose of the present invention is to provide a method for producing ammonium sulfophosphate by using phosphogypsum by-product of phosphoric acid plant, carbon dioxide by-product of ammonia synthesis plant, raffinate acid by-product of we...
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IPC IPC(8): C05G1/00
Inventor饶轶晟
OwnerWENGFU (GRP) CO LTD