Pressure equalization apparatus and method

Details Pressure equalization apparatus and method Pressure equalization apparatus and method

1977-02-18

1979-07-31

Makay, Albert J.

Metallurgical apparatus

Means for treating ores or for extracting metals

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

414199, 266182, 251127, 406 83, F27B 1112

Patent

active

041627849

ABSTRACT:
The pressurization and depressurization of a container, and specifically a feed hopper for materials to be delivered to the interior of a blast furnace, is accomplished with the aid of pressure equalization devices which each include a valve and a wear and sound reducing mechanism immediately downstream of the valve. The wear and sound reduction mechanism subdivides the stream of gas, which may contain entrained particulate matter, into a plurality of jets which are caused to follow a zig-zag trajectory.

REFERENCES:
patent: 225801 (1880-03-01), Crosby
patent: 1186067 (1916-06-01), Becker
patent: 1271758 (1918-07-01), Petito
patent: 2957727 (1960-10-01), Allen et al.
patent: 3375855 (1968-04-01), Deeks
patent: 3665965 (1972-05-01), Baumann
patent: 3693812 (1972-09-01), Mahr et al.
patent: 4007908 (1977-02-01), Smagghe et al.

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