Routine maintenance is the cheapest way to protect your rotary dryer investment. Here are five practical habits from Dongding's service engineers.
1. Lubricate Bearings on Schedule
Trunnion and thrust rollers work under heavy load. Follow the lubrication schedule and use the recommended grease to prevent premature wear and drum misalignment.
2. Inspect Lifting Flights and Liners
Worn or broken lifting flights reduce drying efficiency. Inspect them during scheduled shutdowns and replace damaged parts before they affect capacity.
3. Keep the Feed System Clean
Sticky materials build up on screw conveyors and chutes. Regular cleaning prevents clogging and keeps feed rate — and therefore moisture control — stable.
- Lubricate trunnion and thrust rollers on schedule
- Inspect lifting flights and drum liners
- Clean feed screws and chutes regularly
- Check seals and dust-collection bags
- Monitor drum alignment and tyre wear
4. Monitor Drum Alignment
Misalignment causes uneven tyre and roller wear. Check alignment periodically and adjust as needed to avoid costly shell damage.
5. Schedule Professional Servicing
An annual professional inspection catches problems early. Dongding offers preventive maintenance and rapid spare-parts supply to keep your line running year-round.



