Rotary Dryer is a kind of equipment used to remove moisture from materials. Industrial dryer is also called drying equipment or dryer. The Rotary dryer has a variety of drying modes, such as belt drying, drum drying, box drying, tower drying, etc. The heat source can use coal, electricity, gas, etc. During the drying process, the material is fully in contact with the hot air flow or radiant heat, and the moisture in the material is evaporated by heat conduction, convection, radiation, etc., thus completing the drying process.
Mining Rotary dryer (also known as rotary drum dryer) is mainly used in building materials, metallurgy, the chemical industry, the cement industry, and other fields, and is used to dry slag limestone, coal powder, slag, clay, and other materials. The mining dryer is mainly composed of the rotating body, lifting plate, transmission device, support device sealing ring, and other components. It has the advantages of reasonable structure, excellent workmanship, high output, low energy consumption, and convenient operation. After the wet material is added to the dryer, the material is evenly distributed and dispersed in the dryer under the flipping of the evenly distributed scraper in the drum and is fully in contact with the co-current (countercurrent) hot air, which accelerates the drying heat transfer and mass transfer process. Mining dryers are suitable for drying large particles and heavy materials in chemical, mining, metallurgical, and other industries, such as ore, blast furnace slag, coal, metal powder, phosphate fertilizer, ammonium sulfate, etc. At the same time, they are also suitable for drying powdery and granular materials with special requirements, such as HP foaming agents, wine lees, light calcium carbonate, activated clay, magnetic powder, graphite, and pharmaceutical residues.
The dryer is an efficient and multifunctional drying equipment, which is mainly used for drying materials with a certain humidity or particle size in mineral processing, building materials, metallurgy, the chemical industry, and other departments. The following is a detailed introduction to the single-drum dryer:
Working principle of the rotary dryer:
The dryer is a high-efficiency horizontal dryer, which adopts a new type of lifting plate device, with multiple functions such as guiding, equalizing flow, and lifting. The material is evenly distributed in the radial section of the dryer, and the material curtain becomes thin, uniform, and full, and is fully exposed to the hot air flow, so as to achieve the purpose of fully utilizing the heat energy.
The rotating shaft and gear system inside the drying drum can push the material forward so that the material can be evenly exposed to the heat of the heater and contact with the cooling gas of the cooling device, so as to achieve the purpose of dehydration and dehumidification.
Structural features of the rotary dryer:
The single-drum dryer system consists of a heat source, a scattering device, a belt feeder, a feeder, a rotary drum, a belt discharger, an induced draft fan, a discharger, and a distribution cabinet.
The drying drum is a long strip of the main body, which rotates horizontally on the four supporting wheels at both ends through the wheel belts at both ends. The feeding end of the cylinder is equipped with hot air furnace devices such as oil, steam, and coal, and the discharging end is equipped with a dust cover and an automatic unloading device.
