FIELD: heat-power engineering; heating industrial and agricultural rooms.
SUBSTANCE: proposed air heater has casing with diffuser for connection with ventilation system, burner unit provided with linear and adapter modules and arranged inside casing and gas collectors with nozzles which are provided with additional plate having holes whose area is equal to 0.55-0.65 of area of nozzles overlapping nozzles at constant pitch.
EFFECT: possibility of shifting to liquefied gas with no change conditions of combustion.
2 cl, 2 dwg
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Authors
Dates
2004-06-20—Published
2001-10-12—Filed