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Water-keeping composite fertilizer production technology

A production process and technology of compound fertilizer, applied in the direction of urea compound fertilizer, nitrogen fertilizer, potash fertilizer, etc., can solve the problems of increasing the fertilization process and management link, and achieve the effect of high seedling survival rate and high fertilizer efficiency.

Inactive Publication Date: 2007-12-05
TIANJIN HANGU DISTRICT FUXIANG FERTILIZER PROCESSING FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few new products for the assembly and integration of chemical fertilizers and water-retaining agents. A large number of water-retaining agents are only tested in a single technology, which makes it difficult to form large-scale production and operation. It also increases the fertilization process and management links in the actual production and application of farmers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0006] Embodiment: a kind of water-retaining compound fertilizer production technology, 2 kilograms of rare earth oxides and 558kg superphosphate are mixed into rare earth superphosphate thing 560kg, add 50kg ammonium bicarbonate at rare earth superphosphate, after rare earth superphosphate oxidation, Dried to remove moisture, crushed and lifted to the storage hopper; 15kg of stabilizer dicyandiamide ammonium was added to 220kg of urea and mixed evenly, then mixed with 120kg of potassium chloride and crushed and added to the mixer, and the ammoniated calcium superphosphate was also mixed Put it into the mixer, stir the above-mentioned fertilizer in the mixer evenly, and then continuously supply the fertilizer to the disc granulator for granulation through the feeder. 30kg of water-retaining agent, 3 tons of clay, 3 tons of calcium silicate, and the granulated materials are dried in a rotary dryer, cooled in a cooler, screened and sprayed with a protective film to obtain a compo...

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PUM

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Abstract

The water retaining re-mixed fertilizer is produced through the process including the following steps: mixing RE oxide and calcium superphosphate, adding ammonium carbonate, oxidizing, stoving to eliminate water and crushing; mixing stabilizer ammonium dicyanide, urea and crushed potassium chloride; mixing all the fore said materials in a stirrer, pelletizing the mixture while adding crushed trace elements, water retaining agent, clay, silico calcium; drying, cooling, sieving and spraying protecting film to obtain the re-mixed fertilizer. The present invention has the advantages of capacity of resisting drought and saving water, high fertilizer efficiency, etc.

Description

technical field [0001] The invention relates to a production process of water-retaining compound fertilizer. Background technique [0002] The water-retaining agent absorbs water quickly, and the amount of water absorbed is not affected by temperature. Its pH value is generally neutral, and the product is non-toxic, non-irritating and safe to use. At present, there are few new products for the assembly and integration of chemical fertilizers and water-retaining agents. A large number of water-retaining agents are only tested in a single technology, which makes it difficult to form large-scale production and operation. It also increases the fertilization process and management links in the actual production and application of farmers. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects and provide a production process for water-retaining compound fertilizer. [0004] The technical solution of the present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05G5/00C05B1/02C05C3/00C05C9/00C05D1/02
Inventor 刘春玲
Owner TIANJIN HANGU DISTRICT FUXIANG FERTILIZER PROCESSING FACTORY