Industry News

Bucket wheel sand washer VS Spiral sand washer

author:dahua time:2020-10-14

In the sand production process, sand washer is the essential washing machine. It can remove the dust on the sand surface, and improve the sand quality. Spiral sand washer and bucket wheel sand washer are the two common used machine, which one is better? Here, Luoyang Dahua expert gives you the advice.

Working principle

Bucket wheel sand washer

When sand washer works, the motor drives the impeller to turn slowly through the triangle belt, reducer and gear. Sand inside the washtrough, under the impeller rolling, and grinding, remove the impurities covering the surface of sand and destroy the water vapor layer covering the sand grains to facilitate dehydration. At the same time, water is added to form a strong water flow, which will take away impurities and foreign bodies with small specific gravity in time and discharge them from the overflow outlet trough to complete the cleaning function.

The clean sand is taken away by the blades, and finally the sand is poured into the discharge trough from the rotating impeller to complete the cleaning of the sand.

Spiral sand washer

bucket wheel sand washer

The spiral sand washer should be arranged in an inclined way. The lower part of the tank is surrounded by three weir plates to form a sedimentation tank. The spiral head is immersed in the tank. The equipment has three functions of cleaning, dehydration and classification.

spiral screw sand washer


Bucket wheel sand washer has simple structure, few wearing parts and small floor space. The impeller bearing is separated from water and water-receiving material, which basically avoids the damage of bearing caused by water, sand and pollutants, and greatly reduces the failure rate.

The spiral sand washer has a long and narrow body and USES the horizontal structure, which is simple and straightforward, but its installation arrangement is not as convenient as that of the bucket wheel sand washer.

sand washer screw part

Sand loss

For bucket wheel sand washer, the water consumption in sand washing process is less, and the loss of fine sand and stone powder is small, the sand gradation and fineness modulus of the building sand can meet the standard requirements.

Cleansing ability

The capacity of bucket wheel sand washer is generally below 80 tons, so it is suitable for sand production line system with medium and small capacity.

The spiral sand washer has a strong cleaning ability, which can effectively clean the sand with serious muddy impurities. It is often used in large sand production lines.

sand washer structure

Sand washer price

The price of bucket wheel sand washer is relatively low, and it belongs to economical and efficient sand washer, its operating cost is also low.

Spiral sand washer is relatively high, belongs to the high - grade large - output sand washing machine type.

When choosing sand washer, users should consider the composition of sand and gravel, estimated capacity, production site conditions and other factors. These two kinds of sand washing machine have their own characteristics, choose the most suitable for you own production requirements, in order to obtain better economic benefits.