Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent
1978-08-10
1979-12-11
Andrews, M. J.
Metallurgical apparatus
Means for treating ores or for extracting metals
By means applying heat to work, e.g., furnace
266236, C21B 714
Patent
active
041779746
ABSTRACT:
A runner extending from a blast furnace to a slag pit, water spray unit for manufacturing granulated slag or slag ladle is partly or wholly composed of a plurality of trough elements each made from copper or copper alloy. Each trough element comprises a hollow body having an inner space which is divided into sections by a plurality of partitions to define throughout the inner space of the body a series of passages in which a cooling medium is allowed to flow without stagnation. The cooling medium within the hollow body of the trough element is introduced under a predetermined pressure from a pipe line for supplying cooling medium into the body, whereby the cooling medium freely flows at a relatively high velocity in the passages defined by the partitions and molten slag glowing in contact with the surface of the trough element is cooled to a desired temperature which prevents wear and loss of the element and makes it possible to produce hard granulated slag from the molten slag.
REFERENCES:
patent: 1881228 (1932-10-01), Pape
patent: 3198616 (1965-08-01), Havens
Higuchi Masaaki
Ito Haruo
Matsuda Masamichi
Nakatani Genji
Suetake Yoshinori
Andrews M. J.
Nippon Kokan Kabushiki Kaisha
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