As one of the important varieties of industrial explosives,powdery emulsion explosives are widely used in engineering blasting,explosive welding and other fields.However,in the explosive production process,there are often problems of wall deposition and lumping after spray drying,which seriously affects the production efficiency and safety.In order to solve the problem of wall deposition in the production of powdery emulsion explosives,the causes are analyzed,and characterization and evaluation methods are discussed.At the same time,the technical feasibility ways to solve this problem are discussed from four aspects:changing the formula composition,improving the process conditions,adjusting the production process and using additives.It provides a solution to the problem of wall deposition in production of powdery emulsion explosives in China.
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