ROTARY CHARGING DEVICE FOR SHAFT FURNACE

WIPO Patent Application WO/2013/013972

A3

A rotary charging device for a shaft furnace comprises a stationary housing (112) for mounting on the throat of the shaft furnace; and a suspension rotor (114) with a charge distributor, said suspension rotor being supported in the stationary housing so that it can rotate about a substantially vertical axis. The suspension rotor (114) and the stationary housing (112) cooperate to form the main casing (122) of the rotary charging device, an annular gap (160) remaining between the stationary housing and suspensions rotor. Sealing means are arranged in the vicinity of the annular gap (160) to provide a seal against shaft furnace gas.The sealing means comprise a water seal device (162) with an annular water container (164) and a cooperating annular wall (166). Alternatively, the sealing means comprise one or more nozzles (44) arranged circumferentially in the annular gap (34) to blow clean gas therein.

TOCKERT PAUL (LU)
LONARDI EMILE (LU)
THILLEN GUY (LU)
THINNES CLAUDE (LU)
MOUSEL JOSEPH (LU)

PCT/EP2012/063501

March 28, 2013

July 10, 2012

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WURTH PAUL SA (LU)
TOCKERT PAUL (LU)
LONARDI EMILE (LU)
THILLEN GUY (LU)
THINNES CLAUDE (LU)
MOUSEL JOSEPH (LU)

C21B7/20; F27B1/20; F27D99/00

WO1997037047A1

1997-10-09

JPH06100914A	1994-04-12
JPH02305910A	1990-12-19
JPS63161106A	1988-07-04
EP1001039A1	2000-05-17
US6481946B1	2002-11-19
US20040224275A1	2004-11-11
US5252063A	1993-10-12

OCVIRK, Philippe et al. (234 Route d'Arlo, P.O. Box 48 Strassen, LU)

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