Sand production line according to the process for wet sand and dry sand by two kinds of process, the general sand production line by the vibration feeder, primary crusher (jaw crusher), two stage crushing (back breaking or crushing machine), sand making machine, belt conveyor, vibrating screen and other equipment, and wet method sand production line will be also equipped with sand washing equipment, mainly for the collection of sand or sand product processing, which is conducive to sales.

Sand washing machine is usually divided into common spiral sand washing machine and wheel Sand Washing Machine, these two kinds of sand washing equipment has advantages, but are used to wash the dirt and sand dust, clean sand, the specific choice of sand washing confidential depending on the situation. In addition, the desalination of sea sand, river sand, sand or other acquisition often will also use a spinning recovery device.

From the point of view of obtaining the maximum profit of sand and gravel production line, the sand production line is equipped with sand washing equipment, and the following conditions should be fulfilled:

• 1, wash sand is essential water, that is to say, the production line should be built near the water source, it is best to take the river, lake water and other natural water for sand washing, in order to reduce investment costs.
• 2, in general, vibration screening equipment has the function of soil in a certain, with no sand washing equipment, but if the high cleanliness degree for the aggregate, often need to be equipped with a spiral sand washing machine or wheel sand washing machine.
• 3, some areas of environmental protection requirements are higher, the production line must be equipped with dust removal and noise reduction devices, but also often require sand and gravel lines equipped with sand washing equipment, in order to reduce dust pollution.