硅粉密相气力输送技术在多晶硅生产中的应用

Application of the Technique with Dense Phase Pneumatic Conveying to Transport Silicon Powder in Producing Polycrystalline Silicon

介绍某多晶硅厂对硅粉加料采用密相气力输送技术的输送方式和工艺流程,分析了该气力输送系统中主要设备和管道、阀门选型及设计时的考虑因素。

Introduced the dense phase pneumatic conveying to transport silicon powder techn;que used in a polycrystalline silicon plant, and also the transporting manner and process flow. Analyzed some considerations about the type selection and design for the main equipments, piping and valves which used in this pneumatic conveying system.