Sand washer problems

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What to do if the sand from the sand washer is not clean?

Generally, the sand from the sand making machine needs to be cleaned by a sand washer in order to be cleaner and better in quality. The commonly used sand washing equipment includes a spiral sand washer and a wheel sand washer.

However, many users left a message to the editor saying that whether it is a spiral sand washer or a wheel sand washer, there is a disadvantage, that is, the sand is not clean after sand washing, and the fine sand is seriously lost, especially the ultra-fine sand. According to everyone's feedback, this situation is quite common, how to solve it?

To solve the above problems, you can try the following 2 solutions:

That is, a dewatering screen is installed after the sand washing machine equipment. The amount of sand produced by the sand washer 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 relatively clean.

The main function of the dewatering screen is dehydration, desliming and dislodging. The equipment has a large linear vibration with a low inclination angle. The sand on the screen is cleaned with an electromagnetic vibrating screen. The sand is discharged from the screen and the water is discharged from the screen to the tailings pump tank.

This method does not use a sand washing machine, but directly uses the sand washing and recycling machine for one day. It consists of separator, dewatering screen, impeller separator, reducer, slag paddle pump, cleaning box and other components. It has the dual functions of sand washing machine and fine sand recycling machine.

The sand-water mixture enters the cleaning box, is separated by the impeller separator, and then enters the lower dewatering screen for dehydration treatment. Wastewater from the cleaning tank (containing a large amount of fine sand, mud paddles, dust and other impurities) is transported to the separator by a slag paddle pump, and then the fine sand concentrated by centrifugation and classification is discharged into the upper layer of the dewatering screen through the sand settling nozzle. Wastewater, mud, dust, impurities, etc. in the cleaning tank are discharged into the high-level return water tank through the overflow of the separator, and then discharged into the upper layer of coarse sand and the lower layer of fine sand, or mixed with coarse and fine sand.

The above two methods can greatly improve the purity of sand and reduce the loss of fine sand. If you happen to have confusion in this area, you can refer to it. Other issues related to sand making and sand washing are welcome to leave a message.

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