Drying and gas or vapor contact with solids – Apparatus – Treated material handling or conveying
Reexamination Certificate
2006-04-18
2006-04-18
Rinehart, Kenneth (Department: 3749)
Drying and gas or vapor contact with solids
Apparatus
Treated material handling or conveying
C034S382000, C034S399000, C034S481000
Reexamination Certificate
active
07028414
ABSTRACT:
The invention relates to a device for device for continuous drying of material, particularly sewage sludge, which has a belt2, particularly a filter belt, on which the material is conveyed. It is characterised by a distribution screw4being mounted above the belt2, particularly filter belt, at the inlet in order to feed the material onto the belt2, particularly filter belt. In addition, the invention relates to a process for drying material, particularly sewage sludge, where the material is conveyed on a belt2, particularly a filter belt, through a dryer1, which process is characterised by the material being fed in through a distribution screw4, where the level can be changed by altering the belt speed.
REFERENCES:
patent: 3864840 (1975-02-01), Baskin
patent: 4245396 (1981-01-01), Maffet
patent: 4263239 (1981-04-01), Dunbar et al.
patent: 5527458 (1996-06-01), Gehrmann et al.
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