Views: 0 Author: Site Editor Publish Time: 2022-05-23 Origin: Site
Sludge dryer is an indirect heating low-speed stirring dryer. There are two or four hollow rotating shafts inside the low-temperature belt sludge dryer. The hollow wedge-shaped hollow blades are densely organized in parallel on the hollow shafts, and also the structure style is special and ingenious. The relative rotation of the shaft body uses the principle and structure of an equivalent angular speed however completely different linear velocities to ingeniously reach the self-cleaning result of the sludge on the shaft body, which prevents the "shaft holding" phenomenon in the sludge drying process to the greatest extent. Next, let's take a look at the purpose of the sludge dryer. Here are some answers.
The sludge dryer is mainly composed of an induced draft fan, a dispersing device, a belt feeder, a feeder, a rotary drum, a heat source, a belt discharger, a discharger, and a power distribution cabinet. Therefore, the work area consists of a discharge area, an inclined lifting plate area, a cleaning area, and a material guide area.
The wet sludge enters the guide area of the sludge dryer and quickly evaporates water in contact with the high-temperature hot air. The material is moved by the large guide angle of the copy board, and the material is not bonded and is led to the next working area. The drum does not have a copy plate in the discharge area, and the material rolls and slides to the discharge port in the discharge area to complete the entire drying process.
In the cleaning area of the sludge dryer, the wet sludge is picked up by the copy board to form a material curtain. When the material falls, it is easy to form a phenomenon of sticking to the drum wall. In the cleaning area of the low-temperature tank sludge dryer, because the equipment is designed with a cleaning device, the cleaning device can clean the materials adhering to the inner wall very reasonably. Increase the heat exchange area and increase the drying rate.
The wet sludge has been in a low-moisture and loose state in the inclined lifting plate area of the sludge dryer, and the material has no adhesion phenomenon in the inclined lifting plate area of the Low-temperature sludge dryer. After the heat exchange, the material reaches the required moisture state and enters the final discharge area.
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