Drying and Cooling in Tandem: The Perfect Partner for Stable NPK Granule Formation
In NPK compound fertilizer production, granulation is only a semi-finished product. The key processes that truly give the granules their commercial value are drying and cooling. These two processes are like a perfect pair, neither can be dispensed with: drying is responsible for reducing the moisture content of the granules below a safe level to prevent clumping during storage; cooling rapidly cools the granules, protecting nutrients and ensuring smooth packaging. This article will analyze the working principles and process parameters of this "core pair of machines."
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