Abstract:
The invention relates to a roller hearth furnace (1) for heating and/or temperature equilibration of continuous cast products (2), comprising a first series of rollers (13) running in the longitudinal direction (12) and a second parallel series of rollers (15) on the outlet side (14), wherein a buffer zone (16) with lifting elements (17) for the perpendicular transport of the continuous cast product (2) is arranged between the series of rollers (13, 15). Furthermore, alternative arrangements for a further process route (28) are provided.
Abstract:
A conveying apparatus for a continuous furnace comprises at least one conveying-beam pair and at least one retaining-beam pair, which are located opposite one another in each case with the conveyable object between them, and which makes it possible to choose virtually any conveying direction, in particular a vertical one. By guiding the conveying beams in opposite directions along suitable curved paths, it may be ensured that abrasive contact does not occur between the objects which are to be conveyed and the retaining beams, on the one hand, and the conveying beams, on the other hand. The avoidance of abrasive contact means that there is virtually no wear during the transportation of the objects which are to be conveyed, with the result that it is possible to maintain clean conditions, as are frequently required in the electronics and semiconductor industry.
Abstract:
For use with a reheating furnace for reheating blooms for rolling, in which for charging the furnace with blooms a series of longitudinal moveable arms are provided, for each arm a arm supporting and lifting mechanism comprising two pair of freely rotatable hold down--counterbalancing guide rollers for engaging a tract provided on the arm, a freely rotatable support roller for supporting the arm during their movements, and a piston cylinder assembly for the arm connected to frames of the support roller for raising and lower the roller and hence the arm.
Abstract:
First and second arrays of alternately fixed and mobile, transversely spaced, elongated fire dogs are arranged in a furnace for heating iron and steel products, the fire dogs lying parallel to the longitudinal axis thereof, the second array being transversely offset from the first array, whereby the fixed fire dogs of the first array extend therebeyond substantially to a line common with the ends of the fixed fire dogs of the second array, the mobile fire dogs of the second array extending therebeyond and overlapping the extended portions of the fixed fire dogs of the first array, one of the mobile fire dogs of each array lying midway between the fixed fire dogs thereof, and one of the fixed fire dogs of each array lying midway between the mobile fire dogs thereof.
Abstract:
A walking-beam carrier for steel billets comprising a steel channel covered by blocks of refractory material having billet seats formed by transverse grooves. The blocks are dimensioned such that when placed in an end to end linear array and separated by mortar joints, the grooves are evenly spaced and compatible with the throw length of the walking-beam mechanism. Alignment slots are formed in the flats between grooves in the top surfaces of the block to facilitate installation.
Abstract:
An industrial furnace, for instance a heating and/or reducing furnace, arranged to treat material in powder or in small pieces and having a chamber with refractory walls to which energy is supplied by electric means and/or by combustion and into which the material to be treated is charged. The material is moved forward from an inlet orifice to a discharge orifice by a member provided with teeth which are preferably hollow and are cooled by water, air or vapor circulation.
Abstract:
A grate is formed of a plurality of grate elements each in turn having a horizontal elongated support tube extending above and parallel to a supply tube. One end of the supply tube is connected via an upright connector tube or the corresponding end of the support tube and a plurality of posts extend vertically down from the support tube to the supply tube with their lower ends connected to the support tube. One end of the supply tube is fixed and the rest of the supply tube can move relative to its fixed end so when a heat-exchange fluid is passed through the supply tube, connector tube, and support tube the supply and support tubes will expand or contract thermally and displace the upper and lower ends of the connector tube and posts to the same extent.
Abstract:
A pair of transversely spaced and linked conveyor sections each include an upper support beam elongated in the direction of transport and having upper and lower longitudinal openings, and lifting members shiftably and liftably received in its interior; a lower lifting element extends along and beneath the support beam and converges upwardly toward the same in one longitudinal direction thereof. A wedge-shaped raising element has a planar upper face which extends parallel to an underside of the support beam; the raising element is actuated by the lifting element.
Abstract:
A walking beam furnace for heating a charge being advanced through the furnace by walking beams located in longitudinal opening in the hearth which is provided with longitudinally extending ridges on both sides of the openings for supporting the charge thereby forming a longitudinally extending area above the walking beams operating in the area. The ridges are provided with transverse channels connecting the longitudinal areas for the walking beams with the spaces outside the ridges, and these spaces are supplied with heat for introduction into the areas above the walking beams but below the charge.