screw sand washer in saint barthelemy

Aug 04, 2020 Fine screw washer with dewatering screen. With this configuration, producers get the same advantages of using a sand screw. This time, however, the material is deposited on a dewatering screen after traveling up the incline. This type of equipment is also ideal for 150-mesh material. Like a standard fine screw washer, light scrubbing takes place.