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《Chinese Journal of Explosives & Propellants》 2006-04
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The Development of the Coarse Smash Equipment for High Adhesive and Elastic Propellant

ZHANG Xiu-e~1,LI Jian-Jun~(1,2)(1.Shanxi North Xing′an Chemical Industry Co.LTD,Taiyuan 030008,China;2.China North Industries Group Corporation,Beijing 100821,China)  
The considerable differences of the shape and size of the propellant material after pre-mixing and kneading in half solvent gun propellant double screw extrusion technology can cause the difficulty of the feeding of the double screw extruder and the nonuniform of extruding rate in the double screw extrusion process for the half solvent propellent.In order to dispose these problems,a coarse smash equipment CSZZ-200 suited for high adhesiveness and elasticity propellant is manufactured through utilizing civil industry coarse smash equipment with wet solid and improving the main orbit parameter and security technique measure.Through testing with the inert materials and real material,the property of the equipment is verified.The result shows the shape sizes of marerial particle by coarse smashing with the coarse smash equipment are relativity uniform and unadhesive.The velocity of strands extruded by the double screw extruder is uniform and stable.The difficulties of feeding and the nonuniform of extruding rate in the double screw extruder are solved.
【CateGory Index】: TQ560.5
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