METHOD AND SYSTEM FOR HANDLING EXHAUST GAS IN A BOILER
摘要
In a coal-fired boiler, a heat recovery unit is located upstream of a dry electrostatic precipitator so as to reduce the temperature of exhaust gas at the inlet of the dry electrostatic precipitator and thus, prevent reverse ionization in the electrostatic precipitator. The heat recovery unit located upstream of the dry electrostatic precipitator will in no way by corroded even if the concentration of dust is reduced in the dry electrostatic precipitator. A desulfurization unit does not require a cooling/dust removing section and eliminates the need for a wet electrostatic precipitator. The dry electrostatic precipitator includes a gas passage divided into a plurality of parallel passages and dampers operable to close the passages. This arrangement prevents dust from being dispersed as a result of hammering without charge.
申请公布号
CA2036018(C)
申请公布日期
1998.06.30
申请号
CA19912036018
申请日期
1991.02.08
申请人
CHUBU ELECTRIC POWER COMPANY, INCORPORATED;MITSUBISHI JUKOGYO KABUSHIKI KAISHA