XSG series rotary flash dryer is a new type of drying equipment developed by our factory on the basis of introducing and absorbing excellent technology. It has advanced technology, reasonable design, compact structure, wide range of application, large production capacity, good product quality, high efficiency and energy saving. It can be dried, crushed and screened once in one equipment to eliminate environmental pollution. The performance of the whole machine reaches Higher level.
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Hot air enters the mixing and crushing drying chamber from the bottom of the dryer at a proper spouting speed from the inlet pipe, which has a strong shearing, blowing and rotating effect on the materials. As a result, the materials are micronized by centrifugation, shearing, collision and friction, which strengthens the mass transfer and heat transfer. At the bottom of the dryer, the larger and wetter particles are mechanically broken under the action of the agitator, and the particles with lower moisture content and smaller particle size are entrained and lifted by the rotating air flow, and further dried in the rising process. Due to the rotating flow of gas-solid phase, the inertia of solid phase is larger than that of gas phase, the relative velocity of solid-gas phase is larger, and the mass transfer and heat transfer between the two phases are strengthened, so the production intensity of the machine is high.
A variety of feeding devices are available for selection, feeding is continuous and stable, and there is no bridging phenomenon in the process.
A special cooling device is arranged at the bottom of the dryer to avoid the deterioration of materials in the high temperature area at the bottom.
Special air pressure sealing device and bearing cooling device can effectively extend the service life of the transmission part.
The special air distribution device reduces the resistance of the equipment and effectively provides the treatment air volume of the dryer.
The drying chamber is equipped with a grading ring and a swirl piece, and the fineness of the material and the final water content are adjustable. (for example, the final water content of calcium carbonate can be adjusted to ≤ 0.1%)
Compared with other drying methods, it can effectively increase the proportion of materials.
In the drying room, the circumferential gas velocity is high, and the retention time of the material is short, which effectively prevents the material from sticking to the wall and the deterioration of the heat sensitive material, so as to achieve high efficiency, high speed, small equipment and large-scale production.