JuLong sieving and washing machine is a high efficiency sieving and washing machine with the capacity of 80-200m3/hr, which is designed according to different material conditions. The machine has big sieving ability with at most four levels sieving work. It has good cleaning result because the sand can be washed one to three times during all the process. In order to reduce the failure rate , the transmission and power parts are separated with sand and water. Compared with other sand sieving and washing structure, bigger working capacity, lower wastage rate and lower repair rate.