HEATING DEVICE Russian patent published in 2012 - IPC F24C13/00 F24H1/46 

FIELD: machine building.

SUBSTANCE: heat exchanger is arranged between furnace and single-stack chambers. Said heat exchange is made up of fire-grate made from horizontal metal tubes locked by angles mounted on outside walls of furnace chamber. Liquid heat exchanger is arranged above aforesaid heat exchanger on the side of smoke flue while liquid heat exchanger with inlet branch pipe is arranged below of heat exchange on opposite side. Note here that said liquid heat exchangers are communicated via inlet and outlet branch pies by tube. Ejector is arranged in furnace chamber inserted from single-stack chamber bottom via smoke flue. Hood is arranged above single-stack chamber, its lateral and top walls being made up of duel metal system to feed liquid heat carrier via hood inlet branch pipe. Nozzle to load coal is arranged atop the hood while cover with handle is arranged atop said nozzle. Heat exchanger made up of funnel-like fire-grate is arranged inside single-stack chamber to narrow at chamber bottom and made from metal tubes extending through single-stack wall. Gate is arranged in the chamber ash pit door.

EFFECT: higher heat output and efficiency, reduced harmful emissions.

3 dwg