Waste Heat Regenerative Dryer This is a low-speed, stirred dryer. The equipment contains stirring paddles that allow the wet material to fully contact the heat carrier and hot surface, thus achieving the drying purpose. This dryer is divided into hot air type and conduction type, and the structural form is generally horizontal, double-shaft, or four-shaft. The hot air type refers to the heat carrier (such as hot air) contacting and drying the material. The conduction type refers to the heat carrier not directly contacting the drying material, but the surface contacting the material. The advantages of the conduction type are that the material is not easily contaminated, the exhaust volume is small, the thermal efficiency is high, and the volume is relatively small, which is conducive to energy saving and preventing air pollution. So what are the internal factors that affect the efficiency of the waste heat regenerative dryer?

　　1. Stirring Blade Quality

　　When the stirring blades in the waste heat regenerative dryer are damaged, it will seriously affect the working efficiency of the waste heat regenerative dryer, because without the stirring blades, the sludge cannot move, and if it cannot move, the sludge cannot combine with the heat, and cannot be dried quickly, thus reducing the working efficiency.

　　2. Dryer Speed

　　In order to accelerate the movement of the drying material to the outlet, some customers adjust the speed of the equipment very low, but this will reduce the number of times the sludge material is thrown in the dryer, thus reducing the contact between the sludge material and the hot air. The material will not repeatedly move back and forth in the drum, which means that once the sludge passes through, the sludge will be quickly discharged, resulting in too low material storage capacity, resulting in a reduced contact area between the material and the hot air in both dynamic and static states. Therefore, the working efficiency of the hollow blade dryer is reduced.

　　3. Dryer Maintenance

　　No matter which component fails, as long as the waste heat regenerative dryer fails, it will affect the working efficiency. Therefore, it is necessary to inspect and maintain the dryer before and after work to ensure the normal use of the hollow blade dryer next time. Remember troubleshooting and maintenance, this is a basic condition to ensure the normal operation of the hollow blade dryer.

　　The waste heat regenerative dryer is a low-speed stirred dryer. Stirring paddles are installed inside the equipment to allow the wet material to fully contact the heat carrier and hot surface under the stirring of the paddles, thus achieving the drying purpose. The structural form is generally horizontal, double-shaft, or four-shaft. The waste heat regenerative dryer is divided into hot air type and conduction type. Let's understand the operation procedure of the paddle dryer:

　　1. The waste heat regenerative dryer needs to be started in a rotating state each time it is started. Direct starting and frequent starting are prohibited to reduce damage to the equipment under heavy load.

　　2. After the waste heat regenerative dryer is installed, check whether all parts of the whole machine are installed properly, whether the lubricating oil added in the reducer meets the requirements of the reducer, rotate the motor fan impeller, check whether there is no collision between the paddle shaft and the cylinder wall, whether the inlet is unobstructed, whether the outlet is closed, etc.