Sand dryer product description:

The sand dryer is also used as a yellow sand dryer, which is a type of dryer that processes large amounts of materials. Due to its reliable operation, high operational flexibility, strong adaptability, and large processing capacity, it is widely used in the building materials, metallurgy, food, chemical, coal, pharmaceutical and mining industries. Sand dryer or yellow sand dryer belongs to rotary drum dryer. It is generally suitable for granular materials and can also be used for drying sticky paste like materials or materials with high moisture content by partially adding materials. Especially for drying sand, the drying effect of sand dryer. The advantages of sand dryer or yellow sand dryer are high production capacity, wide applicability, low flow resistance, large allowable fluctuation range in operation, and convenient operation.

Working principle of sand dryer:

The sand is transported to the hopper by a belt conveyor or bucket elevator, and then enters the feeding end through the feeding pipeline through the feeding machine of the hopper. The slope of the feeding pipeline should be greater than the natural inclination angle of the material, so that the material can flow smoothly into the sand dryer (yellow sand dryer). The dryer cylinder is a rotating cylinder slightly inclined from the horizontal line. The material is added from the higher end, and the heat carrier enters from the lower end, coming into counter current contact with the material. There are also cases where the heat carrier and the material flow together into the cylinder. As the cylinder rotates, the material moves to the lower end under the action of gravity. During the forward movement of the wet material inside the cylinder, it is directly or indirectly supplied with a heat carrier, allowing the wet material to dry, and then sent out through a belt conveyor or screw conveyor at the discharge end. There is a copying plate installed on the inner wall of the sand dryer (yellow sand dryer) cylinder, which is used to pick up and sprinkle the material, increase the contact surface between the material and the airflow, and improve the drying rate and promote the material to move forward. Thermal carriers are generally divided into hot air, flue gas, etc. After passing through the dryer, the heat carrier generally needs a cyclone dust collector to capture the materials carried in the gas. If further reduction of exhaust dust content is required, it should be discharged after passing through a bag filter or wet dust collector.

The composition of sand is silicon dioxide, usually in the form of quartz. Its chemical properties are stable and its texture is hard enough to resist weathering.

Sand is composed of minerals and tiny rock fragments. Rock fragments are formed by erosion and weathering of rocks. The composition of sand varies from place to place.

Feldspathic sandstone is a type of sand or sandstone with a high content of feldspar (aluminum silicate), usually formed by weathering and erosion of nearby granite.

Sand is a material or mechanism sand that contains a lot of moisture and impurities. The emergence of sand dryers undoubtedly solves the problem of sand dehumidification and reduces the burden of our tedious work. The dryer adopts advanced technology and is developed based on the actual situation of the domestic sand and gravel industry. It has a reasonable structure and greatly reduces the failure rate.

Technical parameters of sand dryer: