EP 1473533 A3 20080514 - Process and apparatus for continuous drying of material, especially sewage sludge.
Title (en)
Process and apparatus for continuous drying of material, especially sewage sludge.
Title (de)
Verfahren und Vorrichtung zum kontinuierlichen Trocknen von Gut, insbesondere Klärschlamm
Title (fr)
Procédé et dispositif pour sécher en continu de matériaux, notamment de boues d'épuration
Publication
Application
Priority
AT 6602003 A 20030430
Abstract (en)
[origin: EP1473533A2] To supply material onto the sieve belt (2) a distribution screw (4) is arranged over the belt. A level sensor (6) is located near the belt, and a height-adjustable calibration roller (5) is mounted over it, rotating against the belt direction. Its rotary speed exceeds the belt velocity. The distribution screw is connected to a mixer (19) for recycled mixed material, especially the dried end product, but also fresh material, especially dilute sludge. The mixer is a plug- double-shaft-, or paddle mixer. The mixer is connected to a silo extraction screw supplying granules. A drying hood covers the belt and the distribution screw. The entire dryer casing or parts of it are in concrete construction. Supply lines (7) along both sides of the dryers have openings for drying gas and are connected by adjustable tie-bars. Below the belt, a distribution system of e.g. spray pipes condense or saturate the vapors. An independent claim is included for the corresponding method.
IPC 8 full level
F26B 17/04 (2006.01); C02F 11/16 (2006.01); F26B 1/00 (2006.01); F26B 11/02 (2006.01); F26B 19/00 (2006.01); F26B 21/04 (2006.01); F26B 25/00 (2006.01)
CPC (source: EP US)
F26B 1/00 (2013.01 - EP US); F26B 17/04 (2013.01 - EP US); F26B 21/04 (2013.01 - EP US); F26B 25/002 (2013.01 - EP US); F26B 25/005 (2013.01 - EP US); F26B 2200/18 (2013.01 - EP US)
Citation (search report)
- [XY] EP 0573885 A1 19931215 - DORNIER GMBH LINDAUER [DE]
- [X] DE 9419080 U1 19950112 - BELLMER GMBH & CO KG GEB [DE]
- [Y] DE 4320170 A1 19941222 - BAT CIGARETTENFAB GMBH [DE]
- [A] US 4580698 A 19860408 - LADT MAX A [US], et al
- [Y] EP 0338626 A2 19891025 - PANNEVIS BV [NL]
- [Y] US 4245396 A 19810120 - MAFFET VERE
- [Y] DE 2804585 A1 19790809 - SCHENCK AG CARL
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL HR LT LV MK
DOCDB simple family (publication)
EP 1473533 A2 20041103; EP 1473533 A3 20080514; EP 1473533 B1 20150617; AT 412277 B 20041227; AT A6602003 A 20040515; ES 2545902 T3 20150916; HU E027613 T2 20161028; PL 1473533 T3 20151130; SI 1473533 T1 20150930; US 2005241173 A1 20051103; US 7028414 B2 20060418
DOCDB simple family (application)
EP 04009190 A 20040419; AT 6602003 A 20030430; ES 04009190 T 20040419; HU E04009190 A 20040419; PL 04009190 T 20040419; SI 200432256 T 20040419; US 83548904 A 20040429