1. Uneven material drying
The moisture content of the dried material is inconsistent. Some materials may be too dry, while some materials may still be wet.
The residence time of the material in the dryer is inconsistent, resulting in unstable product quality.
2. Abnormal equipment operation
The motor current fluctuates greatly, which may be due to changes in the equipment load caused by too much or too little feeding.
Intensified equipment vibration may be due to material accumulation or uneven distribution.
3. Abnormal material discharge
The discharged material is in blocks or lumps, not uniform particles.
The material discharge speed is inconsistent, and there may even be blockage.
4. Temperature and pressure changes
The temperature distribution in the dryer is uneven, and the local temperature is too high or too low.
The unstable steam pressure may be due to heat load fluctuations caused by changes in feed amount.
5. Decreased production efficiency
The drying efficiency is reduced and the output is reduced.
The residence time of the material in the dryer is extended, resulting in a longer production cycle.
6. Cause Analysis
Feeding speed is too fast or too slow: Feeding speed that is too fast will cause material accumulation, while feeding speed that is too slow will reduce equipment utilization.
Uneven moisture content of materials: Excessive or uneven moisture content of feed will affect the drying effect.
Equipment blockage: Blockage of feed port or internal components leads to uneven material distribution.
Heating system failure: Uneven local heating may lead to inconsistent material drying.
7.Solutions
Adjust feed speed: Reasonably control feed speed according to equipment processing capacity and material characteristics.
Optimize material pretreatment: Ensure uniform feed moisture content, and add pre-drying or stirring device if necessary.
Clean equipment regularly: Clean feed port and internal components to prevent blockage.
Monitor equipment operating parameters: Real-time monitoring of temperature, pressure and current, and timely adjustment of operating parameters.
