[Gasification] pre mixed boiler secrets?

[David G. LeVine]

On 05/17/2011 10:41 PM, Anand Karve wrote:
> Dear List,
> A pure gas inside the cylinder or inside a hose pipe would not burn
> unless it is mixed with oxygen. One can hold a candle in front of the
> nozzle of a cylinder full of combustible gas like LPG or CNG and then
> open the valve. The gas would burn only when it comes out of the
> cylinder. Migration of the flame into the transmission hose is
> possible only if somehow oxygen enters the hose.
> Yours
> A.D.Karve

Actually, while acetylene doesn't burn without oxygen, it can decompose 
(usually due to pressure) and generate significant heat and pressure.  
Often this is called an explosion (it isn't, exactly, but the results 
are spectacular.)

Dave  8{)