DHY Series Dry Granulator

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Descriptions Extrusion granulation is a relatively new dry granulation of compound fertilizer production process. Extrusion granulation was first u sed in the field of potassium chloride fertilizer granulation, for blending fertilizers (BB fertilizer) required granular (1-4mm) potassium chloride have adopted the basic extrusion production. In recent years, extrusion granulation for the production of fertilizer in the country has been rapid development. Extrusion granulation can have on the form roller and the wheel rolling type two, is the first on the roll extrusion pressed into chunks, and then crushed into granules, which means the ability of large particles, high strength, low energy consumption, for roll extrusion widely used in foreign countries. Wheel rolling style is made directly on the surface of the roll groove shape with hole, forming an extruded granules. Product strength is low and sometimes need to add a binder. Suitable for organic fertilizer and fertilizer and other granular fertilizers. Principles The roll-type extrusion granulation process principle is: dry material under pressure into a dense hard large aggregates (cake material), known extrusion process; cake sieved material was again crushed material called a particle made granulation process. First, the role squeezing air squeezed between the particles, and the other a sufficient distance between the particles near to produce such as van der Waals forces, adsorption, crystallization, and embedded bridge connections appeal. Extrusion granulation of the particles is mainly formed by the interaction between molecules of the particle strength.

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Changhang Dry Equipment Co., Ltd

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