| 摘要 |
<P>PROBLEM TO BE SOLVED: To maintain the combustion state of each burner of an auxiliary combustion device, and to reduce the emission of harmful gas discharged from the auxiliary combustion device, such as carbon monoxide. <P>SOLUTION: An exhaust heat recovery boiler in which multiple heat exchangers, including superheaters 28, 30, an evaporator 32, and an economizer 34, are arranged within a duct 27 in the direction of flow of exhaust gas from a gas turbine 14, with the exhaust gas 25 from the gas turbine 14 being used to generate steam, wherein the auxiliary burner devices 50, 52 which heat the exhaust gas by causing the multiple burners to burn are provided upstream from any of the heat exchangers, and air supply devices that supply air from outside of the duct are provided individually for each of the multiple burners of the auxiliary burner device 52. <P>COPYRIGHT: (C)2013,JPO&INPIT |
