Method of protecting a coal gasifier part from attack by liquid slags

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United States of America Patent

PATENT NO 4766098
SERIAL NO

07016541

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Abstract

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Coal gasifiers for the production of reducing gas are protected--at least in parts--by a refractory lining of unburned, carbonaceous magnesia bricks having a carbon content of 5 to 30 percent by weight. The component of these magnesia bricks consisting of sinter and/or fused magnesia suitably has a Fe.sub.2 O.sub.3 content below 6 percent by weight, preferably below 1.5 percent by weight, and a SiO.sub.2 content below 3 percent by weight, preferably below 1 percent by weight.

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Patent Owner(s)

Patent OwnerAddress
VOEST-ALPINE AKTIENGESELLSCHAFTFRIDRICHSTRABE 4 A-1011 VIENNA
VEITSCHER MAGNESITWERKE-ACTIEN-GESELLSCHAFTSCHUBERTRING 10-12 A-1010 VIENNA
KORF ENGINEERING GMBHFEDERAL REPUBLIC OF GERMANY DUSSELDORF 111 NOYCE STREET DUESSELDORF NORTH RHINE-WESTPHALIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gulas, Hans-Jurgen Magnesitstrasse 6, A-8707 Leoben, AT 1 0
Horak, Josef Otto Weininger-G. 6, A-1130 Vienna, AT 7 116
Papst, Gero Wendelin Ernst-Strasse 9, A-7580 Buhl-Weitenung, DE 12 108
Sulzbacher, Horst Dirnbockweg 5, A-8700 Leoben, AT 10 53

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