Iron fuel combustion arrangement

An iron fuel combustion arrangement, comprising a combustion chamber and a burner arrangement, said combustion chamber being arranged for combustion of an iron fuel suspension medium comprising iron fuel and oxygen at a combustible condition, said burner arrangement having a shape that widens towards said combustion chamber, and wherein said burner arrangement comprises:

• a fuel feeder, arranged for supply of iron fuel in said combustion chamber, wherein said iron fuel is provided in a transport medium;
• air inlet means, arranged for supply of air comprising said oxygen to said iron fuel, said air inlet means comprising a first and a second inlet stage, said first inlet stage being arranged for said iron fuel suspension medium to swirl towards said combustion chamber, and said second inlet stage being arranged to provide a boundary layer between said iron fuel suspension medium and walls of said burner arrangement and said combustion chamber for preventing iron fuel deposition at said walls, and characterized in that said second inlet stage is further arranged for said iron fuel suspension medium to be brought into a combustible condition beyond a combustion interface in said combustion chamber.