COAL PULVERIZER INERTING AND FIRE EXTINGUISHING
The subject inerting and fire extinguishing system includes a continuous purging means operative during any inerting sequence to cause an inerting medium to flow continually through the bowl mill so as to ensure that there is not a buildup of volatile gases within the bowl mill, a backup inerting means operative to provide CO 2 inerting when the primary steam inerting system is either not