Patent ID: 6276308
Filing Date: 2001-08-21
Classification: F23M

Abstract:
An oil or gas burning steam boiler, comprising: an exterior housing; a water cooled fire chamber within said exterior housing; a door having (i) a water chamber on said exterior housing, forming a front face wall of said fire chamber when closed, said water chamber having a water line above which is formed a steam chamber; and (ii) a burner mounting plate for attachment of a burner inside the boiler to generate hot gas; a fire-resistant partition in the fire chamber above the burner, placed below the water line of the door water chamber so as to prevent hot gas from flowingadjacent to a portion of the door not containing water; said door being cooled by water entering the water chamber through at least one pipe connecting a bottom portion of the boiler with a bottom portion of the door; said boiler including at least one pipe connecting a top portion of the door with a top portion of the boiler.