FIELD: metallurgy. SUBSTANCE: secondary cooling apparatus has supporting casings and sheet diaphragms fixed on supporting casings in preliminarily strained state for defining cooling channels in conjunction with slots. During operation of secondary cooling apparatus in hot zone of said machine, coolant is delivered by pulsed pressure of rotor- type pulsator into channels to act in cycled mode upon diaphragms. Apparatus provides improved strength of diaphragm by eliminating shrinkage thereof and improved contacting with slab crust. Also, slab is allowed unobstructed advancement in secondary cooling zone. EFFECT: increased efficiency and improved quality of slabs. 6 dwg
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Authors
Dates
2002-10-20—Published
1998-04-30—Filed