Combustion – Process of combustion or burner operation – Starting or shutdown procedure
Patent
1997-08-26
1999-05-11
Yeung, James C.
Combustion
Process of combustion or burner operation
Starting or shutdown procedure
431 20, 431 31, 431 69, 126351, F23M5/20
Patent
active
059020989
ABSTRACT:
A method for controlling an igniting operation for a gas boiler for preventing an explosive ignition is disclosed. The gas boiler is equipped with a burner for burning a gas, a fan for exhausting a burnt gas in the burner, and an ignition plug for performing igniting operation of the gas supplied into the burner. If the operation of the gas boiler commences, the gas is supplied into the burner while the exhaust fan is operated at a low speed appropriate for performing the igniting operation, and the ignition plug is operated to perform the igniting operation of the gas in the burner. In that situation, if ignition does not occur during a predetermined time, the rotational velocity of the exhaust fan increases, whereby the density of gas in the burner is maintained constant. Thus, the excessive increasing of the gas density is prevented, so the explosive ignition is prevented.
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Daewoo Electronics Co. Ltd.
Yeung James C.
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