PARFYONOV CLOSED SMOKELESS FLAME Russian patent published in 2013 - IPC F23D14/20 F23D14/22 F23G7/06 

FIELD: machine building.

SUBSTANCE: closed smokeless flame includes a gas combustion chamber located on supports above seats of people in a sanitary protection zone. Combustion chamber is blown with wind streams on all sides, including from below. Internal part of the combustion chamber is cooled with air supplied via a pipeline, some part of the wall of which is a casing of the combustion chamber. The air pipelines has a layer of fire-resistant heat insulation. Combustion air is supplied to the air pipeline from below, from the level below the closed part of flame and load-carrying structures of the combustion chamber and partially passes through perforated holes in the shell of the air duct (casing of the combustion chamber) for reduction of temperatures of the casing or/and fire-resistant heat insulation and its attachments on the side of heat flows.

EFFECT: continuous combustion of discharge gases and dissipation of combustion products above seats of people in sanitary protection zone.

1 dwg