How to Produce Organic-inorganic Compound Fertilizer by Flat Die Extrusion Fertilizer Granulator

2019-07-03

Organic-inorganic compound fertilizer can not only provide comprehensive nutrition for crops, but also increase and renew soil organic matter, promote microbial reproduction, improve soil physical and chemical properties and biological activity, and reduce environmental pollution. With the increase of crop yield per unit area and the increasing application of chemical fertilizer, soil degradation is becoming more and more serious. Excessive application of chemical fertilizers, especially nitrogen fertilizers, can easily lead to soil nutrient imbalance, soil erosion, secondary salinization, soil acidification and other problems, leading to the continuous decline of soil fertility. Organic-inorganic compound fertilizer is a high-quality fertilizer for producing green and pollution-free agricultural products. The yield of organic-inorganic compound fertilizer is about 10% higher than that of single chemical fertilizer.

Flat die extrusion fertilizer granulator is suitable for granulation of organic-inorganic compound fertilizer. It can make organic and inorganic raw materials into organic fertilizer. It is the key equipment of organic-inorganic compound fertilizer production process.


In the production process of organic-inorganic compound fertilizer, when the fertilizer granules are extruded, there is no need for spraying water before granulation and no need for drying and cooling after granulation. The pelletizing rate of the flat-die extrusion fertilizer granulator is over 90%. Because the basic fertilizer is not heated, the nutrient will not be lost.
flat die extrusion granulator fertilizer production


Since the organic-inorganic compound fertilizer production process does not have drying equipment, it is the key to the production of the flat die granulator to control the moisture of the appropriate raw materials and control the moisture of the finished fertilizer within the standard range. In the production of fertilizer granulator, the amount of calcium, magnesium and phosphorus fertilizer should be strictly controlled. Before granulation, calcium superphosphate should be added to the calcium magnesium phosphate fertilizer to neutralize the raw materials.
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