Hot blast or hot gas valve

Details Hot blast or hot gas valve Hot blast or hot gas valve

1977-07-28

1979-03-27

Dost, Gerald A.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

C21B 700

Patent

active

041462130

ABSTRACT:
Summarizing, the present invention provides a hot blast or hot gas valve, particularly for a blast furnace, comprising a liquid or water cooled valve disc adapted to be moved axially for adjustment, wherein said valve disc is formed to be arched unilaterally towards the side of said valve to be shut off, said valve disc including around the sealing edge thereof a hollow section through which coolant flows, and the concave side of said valve disc opposite from the closure side of said valve being covered by a layer or lining of a refractory material, particularly by a ceramic brickwork, within the area enclosed, for instance, by said water cooled hollow section.

REFERENCES:
patent: 1013961 (1912-01-01), Shutts et al.
patent: 2204724 (1940-06-01), Cope
patent: 2575875 (1951-11-01), Johnson
patent: 3068888 (1962-12-01), Mohr
patent: 3487849 (1970-01-01), Vietorisz

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