So what ever is coming off the dryer to be extracted and collected is combustible. If it is compatible with dry chemical suppression then that seems like a way to go considering the cleanup might be inherently handled by the collection system. What activates such a system is the interesting part.
Allan Seidel St. Louis, MO > On Apr 16, 2018, at 5:48 PM, Reed A. Roisum, SET <[email protected]> wrote: > > I have a project where the owner has multiple rotary drum dryers in a > building. We are to provide fire protection for these dryers along with the > attached cyclones, ductwork, and baghouses. My initial thoughts were that we > would protect with water deluge systems, but the owner would like to use > steam extinguishing because it is readily available. I've never looked into > this type of system, so I'm not very familiar. I am also having trouble > finding any guidance from NFPA or elsewhere. > > This plant is FM insured so I have been reviewing the data sheets. Steam > extinguishing systems are listed with six other Special Protection Systems in > FMDS 04-00 and it also says, "Steam extinguishing systems have limited > application as special protection systems. They are primarily used for the > protection of normally heated and insulated equipment in plants having large > quantities of steam continually available. Examples include protection of > direct contact evaporators and associated equipment for black liquor recovery > boilers at pulp and paper mills, and also airborne pulp dryers at modern > kraft pulp mills." > > I’m wondering if anyone has any guidance as to what FM data sheets would be > applicable to Steam Extinguishing Systems and/or if there are other resources > that you could point me towards that would have information on these systems? > > This facility is not a Wood Processing or Woodworking Facility, but it seems > like that is where I can find the most applicable information to this hazard… > In FMDS 7-10, Wood Processing and Woodworking Facilities, 2.3.7 Rotary > Dryers, it mentions that “Steam should not be used as the sole extinguishing > medium”. > > I have done some reading in the following data sheets but not finding an > abundance of helpful information… > FMDS 06-17 Rotary Kilns and Dryers > FMDS 07-10 Wood Processing and Woodworking Facilities > FMDS 07-73 Dust Collectors > FMDS 07-04 Pulp Dryers > > Any help or direction is appreciated. > > Reed Roisum > > > > > Reed A. Roisum, SET | Karges-Faulconbridge, Inc. | Senior Fire Protection > Designer | Fargo, ND | direct: 701.552.9903 | mobile: 701.388.1352 | > KFIengineers.com <http://www.kfiengineers.com/> > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please visit http://www.symanteccloud.com > <http://www.symanteccloud.com/> > ______________________________________________________________________ > _______________________________________________ > Sprinklerforum mailing list > [email protected] > <mailto:[email protected]> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > <http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org>
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