Before use, the equipment operators must be trained to understand the working principle, performance characteristics and various dehydration screens. Secondly, the dewatering screen shall be idled for one or two hours to check whether there is any objection. In fact, not only the above points can affect the treatment capacity of dehydration screening, but also environmental factors and other problems can affect it. If the dewatering screen is placed in an unstable place, the processing capacity of the dewatering screen will also be affected. In addition. The dewatering screen also has the advantages of high washing degree, reasonable structure, large processing capacity, low energy consumption, fine sand recovery, environmental protection and so on.