A DEVICE FOR MOVING SOLID MATERIAL FED ONTO THE SURFACE OF A MELT AND FOR BREAKING A SLAG CRUST FORMED ON THE SURFACE OF THE MELT OR INSIDE THE CHARGE
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) whic...
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| creator | TUOVINEN, FRANS HEIKKI HONKANIEMI, MATTI ELIAS HEIKKILA, RISTO MARKUS NORRMAN, BENGT JOHAN FJALAR |
| description | 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. |
| format | Patent |
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HONKANIEMI, MATTI ELIAS ; HEIKKILA, RISTO MARKUS ; NORRMAN, BENGT JOHAN FJALAR</creatorcontrib><description>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.</description><edition>4</edition><language>eng</language><subject>BLASTING ; 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| subjects | BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS |
| title | A DEVICE FOR MOVING SOLID MATERIAL FED ONTO THE SURFACE OF A MELT AND FOR BREAKING A SLAG CRUST FORMED ON THE SURFACE OF THE MELT OR INSIDE THE CHARGE |
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