Device for charging a pressurized enclosure

Details Device for charging a pressurized enclosure Device for charging a pressurized enclosure

1994-03-03

1995-01-31

Huppert, Michael S.

Material or article handling

Chamber of a type utilized for a heating function and...

Charging of chamber

414199, 414202, 414170, F27B 1100

Patent

active

053854373

ABSTRACT:
A device is provided for charging a pressurized enclosure, particularly a blast furnace. The device comprises a closing off bell which is movable inside a hopper and is used to close off a discharge opening. A lower sealing member encompasses a closing off element set out below the bell and is capable of moving axially with respect to the latter, and a seat is mounted below the discharge opening. The closing off element is equipped with an inflatable seal, and its seat is equipped with a first peripheral sealing surface which is substantially vertical or points downwardly. The inflatable seal interacts with the first sealing surface in order to ensure sealing of the pressurized enclosure with respect to the hopper.

REFERENCES:
patent: 2674382 (1954-04-01), Tesch et al.
patent: 2954884 (1960-10-01), Wilkening
patent: 3070242 (1962-12-01), Berczynski
patent: 3116842 (1964-01-01), Mohr
patent: 3152703 (1964-10-01), Slagley, Jr.
patent: 3679192 (1972-07-01), Powell
patent: 3704992 (1972-12-01), Nieboer
patent: 4512702 (1985-04-01), Mailliet et al.
patent: 4878655 (1989-11-01), Henneken et al.
patent: 5046908 (1991-09-01), Cimenti et al.

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