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HOT BOILER ROOM

tim from Reed Wright
tim from Reed Wright Member Posts: 113
in THE MAIN WALL
need better combustion air, 2 each, 20x25 openings, duct on to floor and you will get much better room circulation.

Comments

  • Steve_51
    Steve_51 Member Posts: 7
    HOT BOILER ROOM

    WONDERING IF SOMEONE CAN HELP ME OUT WITH A BOILER ROOM THAT IS SITTING AT 38 DEG. C. IN THE BOILER ROOM WE ARE FIRING 1.9 M AND A HYDROTHERM CAST IRON SECTIONAL BOILER HAVING 6 MODULAR UNITS. WE HAVE 20 BY 20 COMBUSTION AIR AND 8 INCH DIAMETER RELIEF AIR. BOILER AND HOT WATER TANK
    SEEM TO BE BURNING PROPERLY, RELIEF AIR IS ACTING MORE LIKE A COMBUSTION AIR AND THEREFORE OVERHEATING. DOES NOT SEEM TO BE ANY SPILLAGE AT THE DRAFT HOOD AND FLAME IS NOT ROLLING OUT AT ALL. ANY SUGGESTIONS????
  • Al Letellier
    Al Letellier Member Posts: 781
    hot boiler room

    Seems like too little air to me.Check your codes for proper air. You can use mechanical means to ventilate the boiler room but check codes there again. If you mechanically exhaust, you must mechanically make-up, or at least interlock the exhaust fan to shut down went boilers run. Too little info from you to give specifics, but it seems that you have too little ventilation. How big is the boiler room/ What are draft conditions? What about increased standby loses if you ventilate? Do you have damper on stack? A lot to consider here.

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  • Dale
    Dale Member Posts: 1,317
    100 degree F

    if 38 c is that the room does seem warm, we have the same issue with 1.6 million input and insulated all the pipes and the vent connectors to the stack. Our air intake was sized OK also. If this is steam you probably have a large receiver that gives off alot of heat. I agree with Al, put in a warm weather separate ventilation system to get the ambiant where you want it.
  • heatboy
    heatboy Member Posts: 1,468
    Boiler insulation.

    I suspect the boilers are radiant heat into the room due to the lack of insulation these, and other, boilers have around their heat exchangers. Do the boilers maintain any type of temperature? Are the boilers staged? If they aren't piped P/S or reverse return with isolation ZVs, all of the boiler blocks will be warm constantly. Wouldn't take much to raise a boiler room to 100° or better with all of that warm iron.

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