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Posted by GBurns on June 07, 2002 at 10:41:02:
In Reply to: Re: fire in pulverizer posted by Paul on June 07, 2002 at 07:29:42:
This is roughly how some handle pulverizer fires. Different manufacturers may have different recommendations.
In the event of a fire you do not typically shut the mill down and you should not open any mill inspection doors until all evidence of fire has disappeared. You can observe the mill outlet temperature to determine if the fire is out or not. The hot air supply to the mill should be closed and the fuel feed should be maintained as heavy as possible without overloading the mill.
If the temperature does not drop in within a few minutes then water should be admitted through the coal feed pipe and the coal feed shut off. Let the mill and exhauster continue to run until the mill is completely empty.
Once the fire is out the mill should be shut down and inspected.
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