Descaling system for sections
Example of a descaler unit used for the removal of primary scale on billets for the production of sections
In rolling mills producing sections, the removal of primary scale on billets requires exchangeable spray rings in order to adjust the spray pattern, especially to varying billet diameters. This is achieved through the use of exchangeable spray cartridges fixed to the descaling box by means of quick-acting couplings. The combination of exchangeable spray rings and entry and exit guides for billet centering guarantees a homogeneous and uniform descaling result also in reversing mills. The setting of low spraying distances enables the impinging amount of water to be reduced while maintaining a constant impact value. This has the positive effect that the temperature drop at the billet edges is reduced, leading to less crack formation during rolling.As a systems provider, SCHÄFER & URBACH combines the complete technological core competence for designing and supplying descaling systems under one roof. The main components, such as the pumps, valves, resonators and the spray ring, are produced in-house.
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