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Sand washing machines are always working there uninterruptedly. Sand washing machines are equipment for washing sand and gravel (artificial sand, natural sand). We can simply summarize it this way: sand washing machines are indispensable wherever sand is used. Sand washing machines are widely used for washing materials in industries such as sand and gravel fields, mines, building materials, transportation, chemicals, water conservancy and hydropower, and concrete mixing stations. The speed of updating sand washing machines is also quite amazing. From the initial simple sand washing machine to several later types: spiral sand washing machine, wheel sand washing machine, they have different names and different uses. Sand washing machines can mainly remove impurities covering the surface of sand and gravel, and at the same time destroy the water vapor layer covering the sand particles to facilitate dehydration and play an efficient sand washing and cleaning role.