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 w...

A support structure for a boiler envelope, for example being the boiler envelope of a boiler thermal plant , a boiler structure so supported , and a method of supporting a boiler , are described. The support structure includes a support platform structure (15) comprising a part of the primary load bearing boiler col...

An apparatus and method for fuel preparation for example by milling and drying to produce a pulverous fuel supply are described. The apparatus includes a fuel preparation unit adapted to receive a mixture of fuel and a gas and to prepare the fuel for combustion in a pulverous state; an output conduit defining an out...

A burner is described having a burner inlet for receiving a supply of combustible pulverous fuel and a supply of comburant gas and a burner outlet in the vicinity of which combustion of the fuel is supported during use; said burner comprising: a primary conduit defining a flow channel extending along a burner axis f...

A device for the flameless oxidation of fuel for example comprising a flameless oxidation burner is described. The device comprises a first conduit to convey a fluid fuel phase to a first outlet and direct a primary jet comprising the fluid fuel phase outwardly therefrom; and a second conduit to convey a jacketing g...