Mixing and Drying Equipment
The dryer is a drying device that is widely used in mining equipment. It is divided into direct heat transfer drum dryer and indirect heat transfer drum dryer. The cylinder of the dryer is a horizontal rotary cylinder, and various internal copy plates of different staggered angles are welded from front to back, and a door ring and a spiral copy board are arranged at the feeding end to prevent the material from being poured.
Technical performance and characteristics
The dryer cylinder is a rotating cylinder that is slightly inclined to the horizontal. The material is added from the higher end, the heat carrier enters from the lower end, and is in countercurrent contact with the material, and the heat carrier and the material are simultaneously flowed into the cylinder. As the rotating material of the cylinder is moved by gravity to the lower end. During the forward movement of the wet material in the cylinder body, the heat supply of the heat carrier is directly or indirectly obtained, so that the wet material is dried, and then sent out at the discharge end through a belt conveyor or a screw conveyor. A copy board is arranged on the inner wall of the cylinder, and its function is to copy and sprinkle the material, so that the contact surface of the material and the air flow is increased to increase the drying rate and promote the advancement of the material. The heat carrier is generally classified into hot air, flue gas, and the like. After the heat carrier passes through the dryer, a cyclone is generally required to trap the material contained in the gas.
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