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Binda introduces the characteristics of the drum dryer
(1) High thermal efficiency. The heat supplied in the cylinder, in addition to a small amount of heat radiation and heat loss of the end cap portion of the cylinder, most of the heat is used for the vaporization of the moisture, and the thermal efficiency can reach 70%-80%. (2) The drying rate is large. The heat transfer and mass transfer process of the wet film on the wall of the tube is uniform from the inside to the outside, and the temperature gradient is large, so that the surface of the film maintains a high evaporation intensity. (3) The dry quality of the product is stable. The heating mode of the drum is easy to control, and the temperature in the cylinder and the heat transfer rate of the partition wall can be kept relatively stable, so that the film can be dried under a stable heat transfer state, and the product quality can be ensured. (4) A wide range of applications. Liquid materials that are dried by drum must have fluidity, adhesion, and stability to heat. The form of the material may be a solution, a heterogeneous suspension, an emulsion, a sol or the like. It can also be used for belt materials such as pulp, textiles and celluloid. (5) The production capacity of a single machine is limited by the size of the cylinder. Generally, the drying area of ​​the drum dryer should not be too large. The ability of the same specification equipment to process the liquid is also affected by factors such as the nature of the liquid, the control of the moisture content, the thickness of the film, and the rotation speed of the drum. (6) Heating medium is simple. Commonly used saturated water vapor. For some materials that require drying at low temperatures, hot water can be used as the heat medium; for materials to be dried at higher temperatures, high-boiling organic matter can also be used as heat medium; generally, superheated steam and flue gas are not used. . (7) The scraper is easy to wear and has a short application period. After the cylinder is corroded by the liquid and worn under the cutting state of the scraper, it is difficult to repair and must be replaced. Changzhou Binda Dry Granulation Equipment Co., Ltd. welcomes you.