Sludge is an industrial waste generated during the municipal sewage treatment production process. Due to its high moisture content, high viscosity, strong water retention, low calorific value, and other drawbacks, it is difficult to achieve industrial utilization. Dingli Company has conducted a series of technical research on sludge treatment based on the current market situation of sludge treatment and the characteristics of sludge in various regions. Dingli Company has focused its efforts to develop a new generation of sludge drum drying system. After drying, the product's moisture content can be reduced to below 25%, meeting the landfill standards for sludge and also having the conditions for further incineration treatment. The technology of this equipment is fully mature, with stable operating capacity, and operation and maintenance are also very convenient.

Dingli Sludge Drum Dryer is mainly composed of a hot air furnace, a dispersing feeder, a conveyor belt, a rotating drum dryer, a belt discharge conveyor, an exhaust fan, a dust collector, an odor removal device, and an electrical control cabinet. Wet sludge has a high moisture content and is sticky. Before the drying process, sludge first enters a dewatering machine, where its moisture content is reduced to about 20%-25% before undergoing drying, thus completing the entire drying process. The new internal structure enhances the cleaning and heat transfer efficiency of dispersed materials, eliminates adhesion on the inner wall of the drum, and has stronger adaptability to the moisture content and viscosity of the material. The Dingli sludge dryer has strong overload capacity, can handle large amounts of material, has low fuel consumption, low drying cost, stable operating capacity, and is very convenient for operation and maintenance.

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