Granulator modulation factors - vapor pressure, feed rate, modulation temperature, ring membrane compression ratio, roll gap, cooling tower (feed level) discharge rate, cooling tower fan air volume, etc. (The above factors are in inspection order and The flow direction of the material is arranged to check the analysis). Quality factors of finished products - moisture content, material temperature, water solubility, chalking rate (containing powder rate), and so on.
1. Vapor pressure (whether the vapor pressure is saturated or not affects the temperature and water content of the modulation. The air pressure is low and the water content is high.) It is inversely related to the moisture content of the finished product.
2. Feeding speed (affecting modulation time and cooling time) is positively related to the water solubility, powdering rate (containing powder rate) and material temperature of the finished product;
3. Modulation temperature affects the effect of feed sterilization and ripening;
4. Ring film compression ratio (affecting pressing time: ~= ring mold inlet diameter / ring mold hole diameter) is positively correlated with the water solubility and powdering rate (containing powder rate) of the finished product; 5. Press roll gap (affecting pressing time) ) is inversely related to the water solubility and powdering rate (containing powder rate) of the finished product;
6. Discharge (feed level) speed: If the material level is high, the material stays in the cooling tower for a long time, the discharge speed is relatively slow, the cooling effect of the material is better, and the water content is better; if the material level is low, the opposite is true;
7. The air volume of the fan is inversely related to the temperature and moisture content of the finished product.
8. Reasons for flower material: feeding head, returning material, waste material are too concentrated; mixing is uneven, the process has stagnant material; material breaking, air pressure is unstable, blocking machine (slipping); annular film and pressure roller are excessively worn, die hole is affected Damage or finish is inconsistent and the feed scraper is worn.
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