FIELD: thermal treatment of large-sized hollow articles. SUBSTANCE: device has heating members and heat shield having additional heating chamber with a set of supplying branch pipes, which generate air heat flow across outer surface of article. Device is provided with ejector positioned adjacent to collector tube bundle output. Ejector and additional heating chamber are connected to compressed air mains through pipelines. EFFECT: increased efficiency and simplified construction. 1 dwg
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Authors
Dates
1995-11-27—Published
1992-12-04—Filed