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Method for preventing coagulation in exhaust pipe of boiler

  • US 8,202,084 B2
  • Filed: 10/17/2007
  • Issued: 06/19/2012
  • Est. Priority Date: 10/17/2006
  • Status: Expired due to Fees
First Claim
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1. A method for preventing coagulation in an exhaust pipe of a boiler, the method comprising:

  • controlling combustion proportionally based on a quantity of supplied fuel with respect to an amount of air supplied to a burner;

    determining whether to enhance a heating power of a burner, based on a temperature of ambient air introduced into a blower, the temperature of the ambient air being sensed by an air temperature sensor; and

    enhancing the heating power of the burner to increase a temperature of exhaust gas, when it is determined that the sensed temperature is equal to or lower than a predetermined temperature,wherein the determining whether to enhance the heating power of the burner comprises determining if the burner has been operated during a predetermined time interval while consuming a predetermined quantity of fuel.

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