Sand washing machine to prevent the loss of fine sand
Date: Oct. 31, 2022
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The fine sand recovery type sand washing machine is developed to reduce the serious loss of fine sand in the sand washing process. It consists of a separator, a dewatering screen, an impeller separator, a reducer, a slag paddle pump, and a cleaning box. Dual function of sand washing machine and fine sand recovery machine.
Working principle of sand washing and recycling machine
The sand-water mixture enters the cleaning box, is separated by the impeller separator, and then enters the lower dewatering screen for dewatering treatment. The waste water (containing a large amount of fine sand, mud paddle, dust and other impurities) flowing out of the cleaning tank is transported to the separator by the slag paddle pump, and then the fine sand after centrifugal classification and concentration is discharged into the upper layer of the dewatering screen through the sand settling nozzle. The waste water, mud, dust, impurities, etc. in the cleaning box are discharged into the high-level return tank through the overflow port of the separator, and then the upper layer produces the coarse sand of the finished material, and the lower layer produces the fine sand of the finished material, or a mixture of coarse and fine sand.
That is to say, a dewatering screen is installed after the sand washing machine equipment. The sand output of the sand washing machine is relatively large, so the purity of the sand may not be guaranteed. After adding a dewatering screen, the sand sent to the conveyor belt will be cleaner.
The main functions of the dewatering screen are dehydration, desliming, and de-intermediation. The equipment vibrates in a low angle and a large straight line. Combined with the electromagnetic vibrating screen to clean the sand on the screen, the sand is discharged from the screen, and the water is discharged from the screen into the tailings pump tank.
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