| 摘要 |
PROBLEM TO BE SOLVED: To provide a drying system of sludge capable of effectively recovering and using vapor generated by a drying machine to attempt energy saving of the entire system.SOLUTION: A drying system 10 of sludge includes: a steam drying machine 12 for drying dewatered sludge by indirect heating; a boosting turbine 18a for boosting steam generated from the dewatered sludge which is dried by the steam drying machine 12; a circulation pipe 20 for guiding the boosted steam by the boosting turbine 18a as steam for heating to the steam drying machine 12; and a gasification furnace 38 and a boiler 34 for generating steam for driving as a power source of the boosting turbine 18a using the dried sludge discharged from the steam drying machine 12 as fuel and supplying the steam for driving to the boosting turbine 18a. |
