EP 0008667 B1 19810513 - FURNACE FOR THE THERMAL TREATMENT OF GRANULAR OR FINE SIZED MATERIAL
Title (en)
FURNACE FOR THE THERMAL TREATMENT OF GRANULAR OR FINE SIZED MATERIAL
Publication
Application
Priority
DE 2836162 A 19780818
Abstract (en)
[origin: US4252521A] A furnace is disclosed for the heat treatment of mainly lumpy to fine grained material. The furnace is either a shaft furnace or a rotary furnace for the calcination or sintering of limestone, dolomite or magnesite. The calcination material passes through a preheating zone, a calcination zone and a cooling zone. The calcination zone has a gas feed and gas withdrawal device. A calcination device is provided in the calcination zone to which is connected a gas conveying device for the production of a hot gas circulation. The hot gas circulation device is situated between the gas withdrawal device and the calcination device and is provided as a conveying blower subjected to a cooling liquid.
IPC 1-7
IPC 8 full level
C04B 2/12 (2006.01); B01J 6/00 (2006.01); F01D 5/08 (2006.01); F27B 1/00 (2006.01); F27B 1/06 (2006.01); F27D 7/00 (2006.01); F27D 7/04 (2006.01)
CPC (source: EP US)
F01D 5/085 (2013.01 - EP US); F27B 1/06 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0008667 A1 19800319; EP 0008667 B1 19810513; AT E67 T1 19810515; DE 2836162 A1 19800228; DE 2960351 D1 19810820; JP S5531298 A 19800305; SU 932999 A3 19820530; US 4252521 A 19810224
DOCDB simple family (application)
EP 79102695 A 19790730; AT 79102695 T 19790730; DE 2836162 A 19780818; DE 2960351 T 19790730; JP 10413979 A 19790817; SU 2804599 A 19790817; US 372679 A 19790115