Get to Know Common Sense of Rotary Drum Dryer?

Industrial dryer machine plays increasingly important roles in all walks of life by its advantages of small range occupies and high discharge efficiency! According to the needs of coal industry and feedbacks of coal mine owners, absorbing in the domestic and foreign advanced technology. Rotary drum dryer is drying equipment, widely used in mining. It is divided into direct heat rotary drum dryer and indirect heat rotary drum dryer.

On the basis of traditional monocular rotary drum dryers, the structure of Fote rotary dryer has great breakthrough and innovation. Seen from the drying principle, the exchange of the materials and the hot air is more sufficient, scientific and reasonable, and all the thermal technical indexes take advanced level. Fote rotary dryers are suitable for drying all kinds of raw materials such as clay, gypsum, coal, slag, gangue, mixture, dry-mixed mortar, yellow ground and iron powder as well as for drying all kinds of raw materials in the production of phosphatic fertilizer, compound fertilizer and bulk materials in such industries as metallurgy and chemistry.




Classification of the drum drying machine: according to the mode of heat transfer between the drying medium and wet materials, it is divided into direct heat transfer rotary drum dryer (transferring heat with dry media and wet materials directly contact) and indirect heat transfer rotary drum dryer (the required heat for drying passed to the wet material by the cylinder wall indirectly). Because of low transfer efficiency and structural complexity, indirect heat rotary drum dryer is hardly to be chosen. Direct heat transfer rotary drum dryer is divided into downstream and upstream in accordance with the direction of flow of the drying medium and the material. The main part of direct heat transfer rotary drum dryer is a rotating cylinder with a slight angle to the horizon. Cylinder is transmitted by gear, with the general speed of 2 ~ 6r/min. The inclination of the cylinder is decided by its length, usually between 1 ° to 5 °. The material is feed from the higher part of the drum and contacts with hot air.

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