Thread: lean vs. rich

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I believe that oxygen can burn when mix with a combustible gas. I known in my field of work, I use a combustion analazier to adjust boilers fuel and air mixture, one thing we don't want to do is burn all the oxygen then we will be burning to rich which is dangerous because you will then carbon up the boiler tubes or refactory and prevent heat transfer. I don't known how this will help but the fuel and air mixture when adjusted proberly you can get it to burn efficiently and where almost all the gas is burn.
And at that point the fire or detination is at its hottest point.