ICC ICC-ICCMSCMA83 / PANEL-VERT FGR DUCT- DBL SIDE MT 4X5X78"

[Music] welcome to the bowling point i am richie ware and this is stephen taylor and we are back talking a little bit about some exhaust gases but we're going to talk about some different ways and that is flue gas recirculation which is fgr so you always hear that term i thought this would be a great opportunity to talk a little bit about this so stephen won't you take us through fgr flue gas recirculation what we're doing we're trying to minimize the amount of oxygen we're pulling into the boiler fresh makeup air nitrogen when you're firing gas the only way you can get nox is by turning the nitrogen that's in the oxygen you pull it in for combustion you turn the nitrogen into nox we get up above 2 500 degrees in in the combustion you start forming called thermal nox it's strictly created by the combustion process itself burners are designed for a flow of volume of air to get to get the