Furnaces – With fuel treatment means – Preliminary refuse treatment means
Patent
1979-02-26
1980-12-23
Envall, Jr., Roy N.
Furnaces
With fuel treatment means
Preliminary refuse treatment means
110336, 432233, F27D 112
Patent
active
042412323
ABSTRACT:
A tube wall for forming the heating chamber of an electric steel-smelting furnace is comprised of a plurality of generally parallel tubes each closely juxtaposed with at least one adjacent tube of the plurality and forming therewith an outer groove open away from the chamber and an inner groove open toward the chamber. Welds extend the full length of and substantially fill at least the bases of the outer grooves and each form a gas-tight connection between the respective tubes. In addition tubular transverse reinforcing members are welded to the outside of the wall formed with these tubes, and a coolant is circulated through the reinforcing members through the tubes. Finally lining anchors in the form of hooks have inner ends conforming to the space between adjacent tubes and engage between these tubes to the weld securing them together. The wall is therefore formed simply by the tubes and the welds, and no further gas-tight wall need be provided.
REFERENCES:
patent: 3850146 (1974-11-01), Graham et al.
patent: 4058668 (1977-11-01), Clites
patent: 4161620 (1979-07-01), Nakamura
Envall Jr. Roy N.
Oschatz GmbH
Ross Karl F.
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