ZK Corp builds a silica sand grinding station with capacity of 80 tons per day in Kuwait. The project adopt the open circuit production technology to produce the raw material for bricks. The main grinding equipment is ball mill. It has the feature of low investment, short construction period, easy operation and control, high reliable and durable, and high running rate. The final ground sand has the features of good shape and proper size distribution. In the grinding process, ball mill technology has occupied the leading position in the industry. When machine selection, we have considered the high temperature environment effective on the mechanical and electrical equipment.