Abstract:
A machine for forming the taphole of a tank furnace in order to apply the lost rod method. The machine includes a housing (20), a drive (42, 44), and a clamp (34) for coupling the drive to the rod (26) while it is being withdrawn. A pusher (34) imparts a pushing force to the rear end of the rod (26) while it is being inserted into the taphole clay. Meanwhile, intermediate guides (55i) surround the rod (26) at several points and are successively placed in a position in which they do not hinder the advance of said pusher (34, 78) on the housing (20).
Abstract:
Die Erfindung betrifft einen Abstichkanal (1) zur Ableitung von Eisen- und Metallschmelzen sowie flüssiger Schlacke aus metallurgischen Behältern wie Hochöfen (2) und Schmelzöfen. Der Abstichkanal (1) wird durch ein Außenrohr (3) und ein in diesem axial verschiebbares Innenrohr (4) gebildet, wobei das Außenrohr (3} fest mit der feuerfesten Ausmauerung (5) des Ofens (2) verbunden ist und beide Rohre (3, 4) aus einem hochfeuerfesten Material bestehen.
Abstract:
The invention relates to a method for interrupting and restoring the melt stream of iron and metal melts in melt channels, in particular tap hole channels, of blast furnaces and drainage channels of melt furnaces. The method is characterized by a transition of the melt stream in the melt channels to the solidified state through cooling so that the melt stream can be interrupted, and by a melting of the solidified melt and a restoration of the melt stream through heating, in particular for re-establishing tapping of blast furnaces.
Abstract:
The invention relates to a method and melt channels for interrupting and restoring the melt stream of iron and metal melts in melt channels, in particular tap hole channels, of blast furnaces and drainage channels of melt furnaces. The method is characterized by a transition of the melt stream in the melt channels to the solidified state through cooling so that the melt stream can be interrupted, and by a melting of the solidified melt and a restoration of the melt stream through heating, in particular for re-establishing tapping of blast furnaces.
Abstract:
Die Erfindung betrifft ein Verfahren sowie Schmelzekanäle zur Unterbrechung und Wiederherstellung des Schmelzestroms von Eisen- und Metallschmelzen in Schmelzekanälen, insbesondere in Stichlochkanälen von Hochöfen und Abflusskanälen von Schmelzöfen. Das Verfahren ist gekennzeichnet durch eine Überführung des Schmelzestroms in den Schmelzekanälen durch Abkühlung in den Erstarrungszustand zum Unterbrechen des Schmelzestroms und eine Aufschmelzung der erstarrten Schmelze sowie eine Wiederherstellung des Schmelzestroms durch Aufheizung, insbesondere für einen erneuten Abstichvorgang an Hochöfen.
Abstract:
The invention concerns a taphole drill for attending to two tapholes in a shaft furnace (10), the taphole drill comprising an extension arm (20) which is pivotably carried by a support structure (18), a drive for pivoting the extension arm (20) relative to the support structure (18) between a first operating position and a second operating position, and a mounting (26) which is secured at a second end of the extension arm (20) such that the mounting can pivot about an axis (28). A kinematic chain (36') between the support structure (18) and the mounting (26) forms, together with the extension arm (20), a mechanism in which a pivot movement of the extension arm (20) generates a pivot movement of the mounting (26) about the axis (28). An actuating drive (52) is incorporated in the kinematic chain (36') such that, when actuated, it alters the arrangement of at least one member in the kinematic chain (36') and thereby generates a pivot movement of the mounting (26) about the axis (28) independently of the pivot movement of the extension arm (20). Various configurations of the kinematic chain and actuating drive are proposed.