Frame seal for a solid fuel distributor

Details Frame seal for a solid fuel distributor Frame seal for a solid fuel distributor

F - Mech Eng,Light,Heat,Weapons

23

B

F23B 40/00 (2006.01) F27D 3/00 (2006.01)

Patent

CA 2552187

A feeder assembly (28) for projecting solid fuel, such as coal (24), into a combustion chamber (11) of a furnace (10) includes a distributor (44) and a feeder (42) disposed in a housing (40). The distributor (44) includes a rotor (48) having blades (46) extending outwardly therefrom, and the rotor (48) is rotatable to project the solid fuel into the combustion chamber (11). The feeder (42) includes a conveyor assembly (50) for providing the solid fuel to the rotor (48). The housing (40) includes an aperture (41) disposed therein, through which the solid fuel is projected into the combustion chamber (11). The housing (40) also includes a portion (45) movable between: a first position wherein the aperture (41) is open to allow the solid fuel to be projected into the combustion chamber (11), and a second position wherein the movable portion (45) closes the aperture (41) to shield the rotor (48) from heat emitted from the combustion chamber (11) and allow maintenance and/or replacement of the distributor (44).

L'invention concerne un ensemble d'alimentation (28) pour projeter des combustibles solides, comme du charbon (24), dans une chambre de combustion (11) d'un foyer (10), qui comprend un distributeur (44) et un alimentateur (42) installés dans un bâti (40). Le distributeur (44) comprend un rotor (48) ayant des lames (46) qui s'étendent vers l'extérieur, ledit rotor (48) étant pivotable pour projeter les combustibles solides dans la chambre de combustion (11). L'alimentateur (42) comprend un ensemble transporteur (50) pour acheminer les combustibles solides vers le rotor (48). Le bâti (40) comprend une orifice (41), par laquelle les combustibles solides sont projetés vers la chambre de combustion (11). Le bâti (40) comprend également une partie (45) amovible entre : une première position où l'orifice (41) est ouverte pour permetre aux combustibles solides d'être projetés dans la chambre de combustion (11), et une deuxième position où la partie amovible (45) ferme l'orifice (41) pour protéger le rotor (48) de la chaleur émise de la chambre de combustion (11) et permettre l'entretien et/ou le remplacement du distributeur (44).

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