DaveFitz,
As far as I'm aware the burner to burner coal flow balance has not been checked since the sation was comissioned nearly 30 years ago. We have never replaced a Mill P.F. orifice but instead the fitters told me that they have turned the orifice plates upside down to extend their life...
We give the ash away to a cement manufacturer and they do grumble on the odd occasion about the carbon in ash content. Unfortunately we are not ever likely to be able to sell it to them so I guess them taking it off our hands for nothing saves us about $75 ton in disposal costs. If its...
On the surface there appears to be no problems but in my opinion we are not really looking very hard for them either. I spoke to the station chemist and it seems that he checks the cegrit samplers about once per week and we have two of them on each boiler located above the secondary air heaters...
Hi, I have recently started as an asset engineer responsible for Mills,Fans,Air Heaters,Burners and ductwork etc at a thermal power station. This station predominantly burnt gas in the first 25 years of life so not much time and effort was put into keeping milling plant at its optimum. Thinks...
