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Dry granulating machine technical advantages and dry granulating effect

Dry granulating machine is a kind of new granulation process following the traditional wet mixing and granulating and developed. Dry granulating machine is the use of water of crystallization of the material itself, through the mechanical extrusion directly on the raw material powder compression molding -- -- -- breaking a granulation granulation. The characteristics: the raw material powder continuously and direct forming, granulation, omitting the humidification and drying process, saving a lot of energy: the granulation process of environmental protection type, without the addition of binder, saving and no pollution. Dry granulating machine is a kind of less investment, high efficiency, energy saving and environmental protection equipment to save manpower and material resources, financial resources. In this paper, through the comparison of dry granulation and wet granulation on energy saving of dry granulating.
　　The technology of dry granulator by roller press granulating machine. Chinese herbs with a relative density of extract, the spray drying to obtain dry extract powder, add some accessories, to squeeze dry granulating machine pressed into thin slices, and then crushed into particles. Dry granulating machine the law required less auxiliary material, is helpful to improve the particle stability, disintegration and soluble powder. General dry extract powder and supplementary material 0.5-1 times. However, should also pay attention to, by spray drying of the dry extract hygroscopicity strong. Therefore, application of the key application of this method is to find suitable accessories, accessories should be adhered to some extent, and it is not easy to absorb moisture, such as lactose, mannitol, pregelatinized starch, water-soluble acrylic resin and cellulose derivatives.
　　Dry granulating machine dry granulation goal the following points:
　　1 the structure and shape of material into the ideal;
　　2 in order to accurately and quantitatively, formulation and management;
　　3 reducing powder dust pollution;
　　4 different types of particles system made no segregation of mixture;
　　5 to improve the appearance of the product;
　　6 prevent some solid agglomeration phenomenon in the process of;
　　Flow characteristics of 7 improve separation like raw material;
　　The 8 increase in the volume of powder quality, easy storage and transportation;
　　9 lower risk of toxic and corrosive material treatment in the process of operation;
　　The dissolution rate of 10 control products;
　　11 adjust product porosity and specific surface area;
　　12 to improve the heat transfer effect and help burn;
　　13 to adapt to different biological processes.