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What are the common problems with a drum dryer flaker and how to solve them?

Oct 10, 2025

Hey there! As a supplier of Drum Dryer Flakers, I've seen my fair share of issues that customers run into. In this blog, I'm gonna talk about the common problems with a drum dryer flaker and how you can solve them.

1. Uneven Drying

One of the most common problems with a drum dryer flaker is uneven drying. You might notice that some parts of the product are dried to perfection, while others are still damp. This can be a real headache, especially if you're looking for consistent quality in your end product.

Causes

  • Inconsistent Feed Rate: If the material is not fed into the drum dryer flaker at a consistent rate, it can lead to uneven drying. For example, if a large chunk of material suddenly enters the dryer, it might not get enough heat and time to dry properly.
  • Poor Heat Distribution: The heat inside the drum might not be evenly distributed. This could be due to a faulty heating system, blocked air vents, or improper drum rotation.

Solutions

  • Check the Feed System: Make sure that the feed system is working properly. You can install a flow control valve to regulate the feed rate and ensure a consistent flow of material into the dryer.
  • Inspect the Heating System: Regularly check the heating elements and air vents. Clean any blocked vents and replace any faulty heating elements. Also, ensure that the drum is rotating at the correct speed to promote even heat distribution.

2. Product Sticking to the Drum

Another common issue is the product sticking to the drum. This can not only affect the quality of the final product but also reduce the efficiency of the dryer.

Causes

  • High Moisture Content: If the product has a high moisture content, it's more likely to stick to the drum. This can happen if the drying process is not long enough or if the temperature is too low.
  • Surface Roughness: A rough drum surface can cause the product to stick. Over time, the drum surface might get scratched or corroded, increasing the chances of sticking.

Solutions

  • Adjust the Drying Parameters: Increase the drying time or temperature to reduce the moisture content of the product. However, be careful not to over - dry the product, as this can also cause other problems.
  • Polish the Drum Surface: Regularly polish the drum surface to keep it smooth. You can use a polishing compound to remove any scratches or corrosion. Additionally, applying a non - stick coating to the drum can also help prevent sticking.

3. Low Production Capacity

If you notice that your drum dryer flaker is not producing as much product as it should, it could be a sign of a problem.

Causes

  • Worn - out Components: Over time, the components of the dryer, such as the belts, bearings, and gears, can wear out. This can reduce the efficiency of the dryer and lower the production capacity.
  • Inadequate Airflow: Poor airflow can limit the amount of heat transfer and slow down the drying process, resulting in lower production.

Solutions

  • Replace Worn - out Components: Regularly inspect the components of the dryer and replace any worn - out parts. This will ensure that the dryer is running at its optimal efficiency.
  • Improve the Airflow: Check the air ducts and fans to make sure they are working properly. Clean any blocked ducts and replace any faulty fans. You can also consider installing additional fans to increase the airflow.

4. Noise and Vibration

Excessive noise and vibration can be a sign of a serious problem with the drum dryer flaker.

Causes

  • Imbalanced Drum: If the drum is not balanced, it can cause excessive vibration and noise. This can happen if the drum is loaded unevenly or if there is a problem with the bearings.
  • Loose Components: Loose bolts, nuts, or other components can also cause noise and vibration. Over time, these components might loosen due to the constant movement of the dryer.

Solutions

  • Balance the Drum: Check if the drum is loaded evenly. If not, redistribute the material inside the drum. Also, inspect the bearings and replace any worn - out ones.
  • Tighten Loose Components: Regularly check all the bolts and nuts and tighten them if necessary. You can use a torque wrench to ensure that they are tightened to the correct specification.

5. Dust Emissions

Dust emissions can be a health and safety hazard, as well as an environmental concern.

Rotary Drum Filter Flaker DryerRotary Vacuum Drum Dryer

Causes

  • Poor Sealing: If the dryer is not properly sealed, dust can escape into the surrounding environment. This can happen around the doors, hatches, or joints of the dryer.
  • High - speed Operation: Running the dryer at a high speed can cause the material to break up and generate more dust.

Solutions

  • Improve the Sealing: Check the seals around the doors, hatches, and joints of the dryer. Replace any worn - out seals and ensure a tight fit. You can also use gaskets to improve the sealing.
  • Adjust the Operating Speed: Reduce the operating speed of the dryer to minimize dust generation. However, make sure that the speed reduction does not affect the drying efficiency.

Conclusion

As a supplier of Drum Dryer Flaker, I understand the importance of keeping your dryer running smoothly. By being aware of these common problems and their solutions, you can ensure the efficient operation of your drum dryer flaker and produce high - quality products.

If you're facing any issues with your drum dryer flaker or are looking to purchase a new one, don't hesitate to reach out. We offer a wide range of Rotary Drum Filter Flaker Dryer and Rotary Vacuum Drum Dryer to meet your specific needs. Contact us today to start a discussion about your requirements and find the best solution for your business.

References

  • "Industrial Drying Technology" by Arun S. Mujumdar
  • "Handbook of Industrial Drying" by Arun S. Mujumdar
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Jennifer Li
Jennifer Li
I am a quality assurance specialist at Wuxi Suyang Chemical Equipment Co., Ltd., ensuring that all products meet ISO9001:2008 standards. My role involves rigorous testing and documentation to maintain our high-quality reputation.