Common problems

Tunnel Dryer: Core Questions and Answers for Continuous Drying Scenarios



Many users are confused about the adaptability of tunnel dryers when processing bulk materials such as coal lumps and briquettes, especially worrying about uneven drying and conveying jams during continuous operation. In fact, the core advantage of tunnel dryers lies in continuous production.


Vertical Dryer: Common Questions and Answers for Space-Constrained Scenarios



Due to its vertical structure that saves space, the vertical dryer is widely used for drying granular and powdered materials. However, when the material humidity is high, it is easy to adhere to the cylinder wall, resulting in incomplete local drying. Solutions: First, install wear-resistant scrapers on the inner wall of the cylinder. The rotating scrapers scrape off the wall-sticking materials to ensure full contact between the materials and hot air.


Hollow Blade Paddle Dryer: Questions and Answers for Drying High-Viscosity Materials


The core advantage of the hollow blade paddle dryer lies in handling high-viscosity and high-moisture-content materials. Sludge (especially municipal sludge and industrial sludge) has a high moisture content (80%-95%) and high viscosity, which easily causes blockages in traditional drying equipment. However, the sludge dryer has extremely strong adaptability to the hollow blade structure


Thin Film Sludge Dryer: Common Questions and Answers for Deep Sludge Drying


The thin film sludge dryer realizes deep drying through the principle of "thin film evaporation": the sludge is conveyed to the surface of the dryer's heating drum, and a scraper scrapes the sludge into a uniform thin film (thickness: 0.5-2mm). High-temperature steam (120-180℃) is introduced into the drum, and heat is transferred through the drum wall to rapidly evaporate moisture in the sludge.







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