Method of protecting a coal gasifier part from attack by liquid

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

1987-02-19

1988-08-23

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501108, 501109, C04B 3552, C04B 3504

Patent

active

047660988

ABSTRACT:
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.

REFERENCES:
patent: 3287144 (1966-11-01), Hodl et al.
patent: 4210453 (1980-07-01), Bowers
patent: 4248638 (1981-02-01), Yomota et al.
patent: 4454239 (1984-06-01), Cassens, Jr.
C.A., vol. 98, No. 16, Apr. 18, 1983, Columbus, Ohio, p. 304, Abstract 131282q, JP,A, 57183360.
C.A., vol. 94, No. 18, May 4, 1981, Shimada et al., "Application of Unburned Magnesium Carbon Brick for Ladle Furnace", p. 292, Abstract 144174y, 1980.
Henson, "Special Refractories", Refractories Division, Norton Co., pp. 64-69, May 1947.
McGannon, The Making, Shaping and Treating of Steel, Ninth Edition, 1971, p. 473.

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