Menetelmä ja laitteisto kattilahuoneen ilmanvaihdossa

摘要

The method involves combustion air supplied to a boiler is taken from the inside of the boiler room in the area of the lower half of the height of the boiler room. Combustion air is taken in the area of the lowest third of the height of the boiler room. An Independent claim is included for an apparatus in the ventilation of a boiler room.