Patent · US Expired

Rotary dryer and associated drying plant

US5197204A · kind A · utility

5Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 1991
Grant dateMar 30, 1993
Priority date
Expiry dateMay 10, 2011

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B11/0477
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A rotary dryer (1) for the drying of, for example, biological sludge, comprises a rotatable drum having rake elements (6) with openings for the passage of sludge disposed on the inner side of the drum casing. A drying plant with such a dryer further comprises a hot-gas plant (3) and one or more co-rotating drying zones (4,5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.