Under the background of double carbon policy and energy saving and carbon reduction,recycling waste heat from waste flue gas of cement kiln head as heat source,low temperature drying sludge to produce alternative fuel is a new development idea of sludge disposal in cement enterprises.This study introduces the process of using 5000 tons/day waste heat of cement kiln to dry the sludge with moisture content of 65%to 30%.This process not only realizes the recovery and utilization of flue gas residual heat,bu also improves the disposal capacity of sludge,and has significant comprehensive benefits.
cement kilnresidual heat from flue gassludge drying
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