COMBUSTION APPARATUS WITH INDIRECT FIRING SYSTEM

WIPO Patent Application WO/2013/030533

A3

The invention relates to a combustion apparatus, in particular to a burner for the combustion of carbonaceous fuel. The combustion apparatus comprises a burner having a burner inlet for receiving a supply of combustible pulverous fuel (1) and a supply of comburant gas (2) and a burner outlet (30) in the vicinity of which combustion of the fuel is supported during use; at least a primary conduit defining a flow channel for conveying a mixture of fuel and comburant gas from the burner inlet to the burner outlet; a fuel feed line defining a flow channel which conveys a pulverous combustible fuel in a dense phase; and a supply conduit fluidly connecting a comburant gas supply to the primary conduit and defining with the primary conduit a primary flow stream; wherein the fuel feed line is provided with a fuel feed outlet into the supply conduit upstream of the burner inlet to supply pulverous combustible fuel in a dense phase; and wherein the primary flow stream is provided with a mixing device (21) downstream of the fluid supply outlet. A method for combusting pulverous combustible fuel in a burner embodying such principles is also described.

STURGEON DAVID WILLIAM (GB)
HESSELMANN GERARD JOHN (GB)

PCT/GB2012/052011

April 03, 2014

August 17, 2012

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DOOSAN BABCOCK LTD (GB)
STURGEON DAVID WILLIAM (GB)
HESSELMANN GERARD JOHN (GB)

F23C7/00; F23C9/00; F23D1/00; F23K3/02; F23L7/00

WO1997047923A1	1997-12-18
WO2011010161A1	2011-01-27

DE19521505A1	1996-12-19
US4387654A	1983-06-14
DE102009016191A1	2010-10-07

MURGITROYD & COMPANY (165-169 Scotland Street, Glasgow Str G5 8PL, GB)

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