Grate with means for discharging of ash

Details Grate with means for discharging of ash Grate with means for discharging of ash

F - Mech Eng,Light,Heat,Weapons

23

J

F23J 1/06 (2006.01) F23H 9/00 (2006.01) F23H 13/06 (2006.01) F23K 3/14 (2006.01)

Patent

CA 2282271

Grate (1) comprises essentially concentrically set stationary and rotating unified grate rings (6a-d, 7a-c), which alternate from the centre outwards to the peripheral ring. Each grate ring is lower than the next ring further in and has a larger diameter than it, when the fuel fed from beneath to the centre of the grate flows over the grate rings while it burns to the peripheral ring, in which the ash drops through openings (30) arranged in it to an ashbox (5). The peripheral ring has stationary and circumferentially oriented moving units (15, 16), which are arranged in one extreme position to cover the entire peripheral ring and in the opposite extreme position to interlap in pairs on top of each other and form the aforesaid openings (30) between the interlapped pairs.

Une grille (1) comprend des anneaux unifiés stationnaires et des anneaux unifiés rotatifs (6a-d, 7a-c), disposés de manière sensiblement concentrique, qui alternent en allant du centre vers l'anneau périphérique. Chaque anneau de la grille est plus bas que l'anneau qui le suit en allant vers l'intérieur et a un diamètre supérieur au sien. Le combustible amené par dessous arrive au centre de la grille, puis descend en brûlant par-dessus les anneaux et aboutit à l'anneau périphérique, au niveau duquel les cendres traversent des orifices (30) creusés dans ledit anneau et tombent dans un cendrier (5). L'anneau périphérique comprend des unités stationnaires et des unités mobiles orientées circonférentiellement (15, 16) qui, dans une position extrême, sont disposées de façon à recouvrir la totalité de l'anneau périphérique et, dans la position extrême opposée, de façon à se chevaucher par paires par leurs sommets et à former lesdits orifices (30) entre les paires superposées.

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