Industry Info

Roller extrusion granulator for processing ammonium sulfate and ammonium chloride granules

2021/05/10
The main characteristics of compound fertilizer granules produced by fertilizer manufacturing equipment are as follows:
Roller extrusion granulator for processing ammonium sulfate and ammonium chloride granules

1. Processing compound fertilizer containing a certain proportion of nitrate nitrogen. Nitrate nitrogen is widely used because of its quick effect, but it has strong hygroscopicity, and it will be deliquescent into mud under high temperature and humidity, which makes the roller granulator unable to produce. There is no temperature rise and no need of heating and drying in the production of counter roller granulator, so nitrogen containing nitrate nitrogen can be added.

2. The content of water-soluble phosphorus in the product is easy to guarantee. When superphosphate (or heavy calcium) is used as phosphorus source and mixed with urea and potassium chloride, the liquid phase of the mixture is often increased due to the addition reaction of free acid in the product. However, it is easy to degrade the water-soluble phosphorus by adding calcium magnesium fertilizer for neutralization. In production, ammonium phosphate (or heavy calcium) and calcium iron phosphate fertilizer are added according to the standard, and the water-soluble phosphorus content of the product is within the standard index.

3. Roller granulator uses a wide range of raw materials. Low concentration can use ammonium bicarbonate, ammonium sulfate and ammonium chloride as chlorine source, superphosphate and calcium magnesium phosphate fertilizer as phosphorus source; medium and high concentration can use ammonium sulfate, ammonium chloride and urea as chlorine source, and superphosphate (heavy calcium), ammonium phosphate and calcium magnesium phosphate fertilizer as phosphorus source.

4. The product's shattering resistance and hardness meet the requirements, and its dissolution and diffusion in soil is much slower than that of powder fertilizer. After deep application of granular fertilizer, the loss of chlorine volatilization, leaching and denitrification was reduced, and the utilization rate of chemical fertilizer was increased.
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