FIELD: heat treatment at high temperature values. SUBSTANCE: cold gas with increased pressure is being fed from the system 2 for supplying cold gas through a fluid-tight joint 3 to the input opening 4 of ducts of current conductive layer of the electric heater 5. The gas, had been heated in the above mentioned ducts, escapes through output openings of the ducts, directed onto the product, being heated and placed in a housing of the plant. EFFECT: enlarged using range. 1 cl, 4 dwg
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Authors
Dates
1994-07-15—Published
1991-06-24—Filed