mechanical appliance for feeding solid fuels to furnaces, or for forming the fire bed, a device for stoking or firing a steam boiler. It receives fuel continuously by gravity, carries it progressively through the furnace, and deposits or discharges the ash., kihtkolle - kihtkoldes toimub põlemine pms restil asuvas kütusekihis, mida läbib põlemisõhk. Kütuse termilisel lagunemisel eralduvad lendosad põlevad ka kihipealses ruumis, kuhu selleks suunatakse lis