FIELD: power engineering; heating of large rooms; thermal treatment of materials and articles in drying kilns and heat- treating furnaces. SUBSTANCE: radiator 6 is mounted around burner forming passage; it is made in form of Venturi tube changing to smooth- section tube 8; exit section of burner is located before throat of Venturi tube; burner is mounted for longitudinal motion relative to radiator 6; ratio of areas of passage section of gas nozzle 4 and combustion chamber 3 ranges from 20 to 50. EFFECT: enhanced reliability. 4 cl, 2 dwg
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Authors
Dates
1996-11-27—Published
1993-12-29—Filed