Patent ID: 8246345
Filing Date: 2012-08-21
Classification: F23D,F23R

Abstract:
1. A burner comprising an inlet ( 10 ), said inlet ( 10 ) comprising intake ducts for air and for fuel and said intake duct for fuel comprising a fuel lance ( 12 ), said burner further comprising a mixing path ( 20 ) following said inlet ( 10 ) along a burner axis ( 11 ) and extending along said burner axis, said mixing path entering a combustion chamber ( 23 ) for generating a flame, said inlet ( 10 ) having a substantially rectangular cross section wherein two parallel walls delimit a clear width (W), and said mixing path ( 20 ) forming a round channel ( 17 ) of a width (D) larger than said clear width (W) between said parallel walls, and said mixing path ( 20 ) being sealingly connected to said inlet ( 10 ) to thereby form transitional steps ( 25 ) widening in the flow direction, and wherein the size (Wτ) of the inlet ( 10 ) rectangularly to said clear width (W) is larger than the width (D) of the channel ( 17 ).