Granulators Selection in Organic Fertilizer Production
The fermentation process in the organic fertilizer production is mainly to provide strains, auxiliary materials and temperature and humidity environment conducive to waste fermentation, so as to promote the rapid fermentation of livestock and poultry waste, and then treat it through certain granulation methods, and finally get organic products rich in nitrogen, phosphorus, potassium and other plant nutrients.
During the operation of the organic fertilizer production line, the organic matter, urea, ammonia, etc. obtained from the fermentation of the reaction tower are added to the disc mixer in a certain proportion, and then sent to the granulator for granulation after mixing evenly In the granulator, the materials form a mechanical fluidized bed at a certain speed, during which an appropriate amount of steam is added to provide corresponding heat and moisture for the granulation process, and then the tail gas is sprayed with an appropriate amount of circulating washing liquid to promote the agglomeration of materials into particles.
The granulation and forming system of the organic fertilizer granulator is to mix the crushed ingredients to make the materials become particles. The granulator with stirring teeth can be used for granulation, which has the advantages of fast granulation speed and high efficiency.
The disadvantage is that the forced extrusion force is small, and high-power crushing equipment is required. You can also choose the flat mold granulator. Its advantages are: wide adaptability of raw materials, especially for organics: wide requirements for raw material density and raw material moisture, raw materials do not need to be dried: the diameter of the pressing roller is large, and the template cocoa is used for positive and negative directions.
The materials are evenly distributed in the compression chamber, with stable granulation, high granulation rate, uniform appearance of finished particles, and not easy to break: no water is added in the whole granulation process, which saves the subsequent particle drying cost: the fineness requirements of raw material crushing are not high. Granulating raw materials (after composting) generally do not need to be finely crushed, and fine stones can be directly crushed. Its disadvantage is high maintenance cost.
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