F - Mech Eng,Light,Heat,Weapons – 23 – B
Patent
F - Mech Eng,Light,Heat,Weapons
23
B
110/7
F23B 40/00 (2006.01) F23L 1/00 (2006.01)
Patent
CA 1276838
ABSTRACT The invention relates to a burner particularly for burning biomass. The burner comprises a combustion chamber (6) whereinto the fuel is fed, an ash pit (8) which is located below the combustion chamber (6), and an automatic stoker (4) which is connected to the combustion chamber (6) by means of an inlet shaft or equivalent. The burner (1) is a separate unit, which can be attached to a furnace (2). The combustion chamber (6) is formed of a fire shaft (7) comprising an inlet surface (71), a countersurface (72) and a slot (73) located therebetween. The inlet surface (71) and the countersurface (72) are planar surfaces inclined to opposite directions so that they together form a V-shaped fire shaft. The fuel stoker (4) is connected to the combustion chamber (6) by means of the inclined inlet surface (71), which serves as the inlet channel. The stoker (4) is connected to the inclined inlet surface (71) so that it is placed vertically against it and the width (s) of the stoker (4) is rouhgly equal to the width of the combustion chamber (6). In the space (8, 9) located below the fire shaft (7), there is installed a fan (11), whereby positive pressure is created in this space with respect to the combustion chamber (6). In a preffered embodiment of the invention, in the slot (73) located between the inlet surface (71) and the countersurface (72), there is installed an ash remover which is advantegeously a bar-like member provided with brackets, and which member is connected to a device whereby it can be moved. (fig. 1)
520916
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Wartsila Biopower Oy
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