Abstract: The invention pertains to a burner for solid fuel, said burner comprising: A stoker (41) having a fuel outlet (29) within said burner, and an exhaust (31), a grate (27) positioned below said fuel outlet (29) and between said fuel outlet (29) and said exhaust (31), a first blower (92) connected to a space below said grate (27), and a second blower (68) connected to a plurality of injectors (61A, 62A) provided around said fuel outlet (29) above said grate (27) and directed towards said exhaust (31), said injectors (61A, 62A) being parallel and unidirectionally directed over said grate (27), and wherein the injectors (61A, 62A) are provided along the periphery of said burner, said injectors (61A, 62A) being configured for injecting secondary air at a speed of 40-80 m/s, thereby ensuring unidirectional parallel flows of secondary air over said grate (27).

Abstract: The invention pertains to a burner for solid fuel, said burner comprising: A stoker (41) having a fuel outlet (29) within said burner, and an exhaust (31), a grate (27) positioned below said fuel outlet (29) and between said fuel outlet (29) and said exhaust (31), a first blower (92) connected to a space below said grate (27), and a second blower (68) connected to a plurality of injectors (61A, 62A) provided around said fuel outlet (29) above said grate (27) and directed towards said exhaust (31), said injectors (61A, 62A) being parallel and unidirectionally directed over said grate (27), and wherein the injectors (61A, 62A) are provided along the periphery of said burner, said injectors (61A, 62A) being configured for injecting secondary air at a speed of 40-80 m/s, thereby ensuring unidirectional parallel flows of secondary air over said grate (27).