Arrangement for removing the slag incrustations on melting and casting vessels
AssigneeOtto Junker GmbH
InventorsHeinz Apelt, Helmut Packes
Life of this patent
Estimating the term…
Abstract
The device for removing incrustations from the inner wall of a cylindrical vessel comprises a driven shaft supported for rotation in the vessel about its central axis and for a vertical movement along this axis. Impact tools, preferably in the form of prismatic blocks defining a straight edge, are attached respectively to the shaft by a pair of chains in such a manner that the abrading edge of each tool extends parallel to the central axis when the chains are straightened by the centrifugal force.
Claims17
A device for removing incrustations from the inner wall surface of a cylindrical vessel defining a central axis, comprising a driven body;
- means for mounting said body on a vessel so that said body rotates about said axis and is movable lengthwise of the same while being prevented from movement transversely of said axis;
- a plurality of impact tools spaced circumferentially about said body and each having a straight abrading edge adjacent the inner wall surface and a face directed towards said axis;
- and a pair of axially spaced flexible links of identical radial length for each of said impact tools and having inner ends connected to said body and outer ends connected to the respective face at locations thereof which are spaced lengthwise of said axis, such that the abrading edge of each impact tool is held along the inner circumference of the vessel lining in an operating position in which it extends approximately parallel to said axis during rotation of said body and beyond which it cannot approach the vessel lining in radial direction, so that the tool can remove deposits from the vessel lining but cannot damage the vessel lining itself.
A device for removing incrustations from the inner wall of a cylindrical vessel defining a central axis, comprising:
- a driven body supported for rotation in said vessel about said axis and for vertical movement along said axis, said driven body being assembled of two discs arranged at a distance one above the other, a plurality of bearing sleeves uniformly arranged around the periphery of said discs and supported for rotation about respective axes parallel to said central axis, and outwardly extending arms secured to respective sleeves in a radial plane;
- a plurality of pairs of flexible links, the links of each pair being arranged in axial direction one above the other and being secured at one end thereof to the free ends of said arms;
- and a plurality of impact tools defining a straight abrading edge and being secured at points opposite said edge to the other ends of said pairs of links, such that the abrading edge of each impact tool is held along the inner circumference of the vessel lining in an operating position at least approximately parallel to the central axis during rotation of the body.
Dependencies are inferred from the claim text.