Device for moving solid material fed onto the surface of a melt

Details Device for moving solid material fed onto the surface of a melt Device for moving solid material fed onto the surface of a melt

1982-01-21

1984-08-07

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

For manipulation of the charge or melt

F27D 2302

Patent

active

044647646

ABSTRACT:
The invention relates to a device for poking a charge fed onto the surface of a melt in an electric arc furnace having a hood and an external cooled casing (2) articulated at one of its ends to the lower section (21) of a horizontal circumferention bend in the wall of the furnace (23) hood (24) which faces the melt, drive cylinders (5) for tilting the casing in different directions about its joint, a spindle ( 1) installed tightly in the cooled casing (2) and being axially reciprocating and rotatable, and drive cylinders (17) for making the spindle (1) to project from said one end of the casing (2) to poke the charge fed onto the melt surface and break any crust on the melt surface or inside the solid charge, when the cooled casing (2) and the spindle (1) inside it are tilted about the joint and rotated.

REFERENCES:
patent: 1778809 (1930-10-01), Miguet
patent: 3909499 (1975-09-01), Stark
patent: 3975576 (1976-08-01), Krogsrud

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