Conveyor/cooler of loose materials

F - Mech Eng,Light,Heat,Weapons – 23 – J

Patent

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Details

F23J 1/02 (2006.01) B65G 53/44 (2006.01) F23C 10/24 (2006.01) F23L 15/00 (2006.01) F28C 3/12 (2006.01) F28D 19/04 (2006.01)

Patent

CA 2224145

A conveyor/cooler (10) of hot loose solid materials produced by fluid bed boilers (12) and various industrial processes fundament ally comprising one or more feeding channels, substantially vertical or at any inclination wherein, because of gravity, said material (18) leaves the combustion chamber of the boiler, and a sealed metallic container means (16) connected to the downstream end of said discharging channel(s) (20) is disclosed. Within said container a metallic conveyor belt means (14) driven by proper motor means is placed on such a conveyor belt means, the material from the downstream and of the channel(s) is laid, thus forming a travelling continuous bed, said belt means thus constituting a regenerative heat exchanger which absorbs heat from material during the forward run and gives it back to air during the backward run.

La présente invention se rapporte à un convoyeur/refroidisseur (10) de matériaux en vrac solides et chaux produits par des chaudières (12) à lit fluidisé et par d'autres procédés industriels divers, comportant essentiellement un ou plusieurs canaux d'alimentation, sensiblement verticaux ou ayant une inclinaison quelconque, dans lequel ledit matériau (18) quitte la chambre de combustion de la chaudière par gravité, et un conteneur métallique hermétique (16) relié à l'extrémité en aval du ou desdits canaux (20) de décharge. Une bande transporteuse métallique (14) mue par son propre moteur est placée dans ledit conteneur. Le matériau provenant de l'extrémité en aval du ou des canaux est placé sur cette bande transporteuse, formant ainsi un lit roulant continu, ladite bande constituant ainsi un échangeur thermique régénérateur qui absorbe la chaleur provenant du matériau pendant le trajet aller et la restitue à l'air durant le trajet retour.

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