| 摘要 |
Device comprises a feed pump (4) for feeding a slurry to be dried in a dryer (5), which includes many drying stages, a heating device for heating the drying stages, and an apparatus comprising at least one portion of the drying stage, preferably many drying stages, whose respective temperature is adjusted to a predetermined value. An independent claim is also included for drying the sludge, comprising (i) conveying the sludge to be dried through the dryer, which includes many drying stages sequentially connected in the conveying direction and heated individually, (ii) passing the vapors produced by the first drying stage, which is arranged in the conveying direction, into heat exchanger downstream to at least one drying stage, and (iii) heating in a separate circuit present downstream to at least one drying stage. |
