Distributor bottom for the distribution of a gas charged...

Details Distributor bottom for the distribution of a gas charged... Distributor bottom for the distribution of a gas charged...

2007-06-05

2007-06-05

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

C239S106000, C239S118000, C239S123000

Reexamination Certificate

active

10503198

ABSTRACT:
A nozzle distributor base for distributing a gas which is laden with fine solids particles, preferably for use in a fluidized-bed unit, in particular for the reduction of metal oxide-containing solids particles. At least one movable cleaning device on the distributor base reduces the formation of deposits on the distributor base or the nozzles thereof or at least partially removes deposits which have already formed. Elements in the distributor base, like chains, ropes or movable rods, clean the distributor base by direct mechanical striking action on the distributor base and/or the nozzles of the nozzle distributor base. A method for reducing the formation of deposits and/or for at least partially removing deposits on a distributor base uses the striking action.

REFERENCES:
patent: 4221573 (1980-09-01), Hankins
patent: 4283012 (1981-08-01), Hanson
patent: 4421067 (1983-12-01), Krowech
patent: 4454998 (1984-06-01), Sarser
patent: 6293735 (2001-09-01), Klobucar et al.
patent: 6460628 (2002-10-01), Day et al.
patent: 974 728 (1964-11-01), None
patent: 04 144917 (1992-05-01), None
Database WPI.
Section Ch, Week 200274, Derwent Publications Ltd., London, GB.
AN 2002-688603 XP002244025.
& KR 2002 037 971 A (POSCO), May 23, 2002.

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