Hydrogen combustion
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Question: If the hydrogen concentration in the exhaust gas is over 90%, which is above the explosion limit, can it be burned directly in a combustion furnace? Are there any things to keep in mind?
Above the explosion limit, it can be used as fuel gas. It is burned by being mixed with smoke, without the need for an open flame; the key here is that the flow rate must be relatively stable, the air supply capacity sufficient, and the furnace temperature easy to control.
Sure, be sure to perform gas displacement before ignition