GAS OIL OR COMBINED BURNER RUNNING IN WIDE POWER RANGE WITH STABILIZED FLAME INTENSITY

摘要

The combined burner for gas or oil has supply pipes for fuel and air and air flow control element. The burner can be used over a wide performance range with constant flame intensity. Around a central primary air inlet tube is arranged a secondary air flow control valve (12) consisting of overlapping hinged lamellae. The latter form together a conical envelope which becomes a narrower towards the primary air inlet tube (2). This valve is actuated by mechanism (14) which is adjusted by the primary air flow control element (10). The latter is arranged within the primary air inlet tube (2). Within the primary air inlet tube (2) is a second associated primary air flow control valve (11).