Gas generator for gasifying solid granular fuels by applying...

C - Chemistry – Metallurgy – 10 – J

Patent

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C10J 3/42 (2006.01)

Patent

CA 2701966

Disclosed is a gas generator (1) for gasifying solid granular fuels into combustible gaseous compounds used for producing syngas or H~-compatible crude gas. In said gas generator (1), afluidized bed (4) formed from the fuels travels through a closed reaction vessel comprising a lock (3) that is mounted at the top and is used for continuously transferring the fuels inward, and a closure which is mounted below the funnel-shaped construction of the bottom (14) and is used for transferring the formed ashes out into an ash lock (16). A rotary grate (11), through which the gasification medium can be introduced into the fluidized bed from below and through which the formed ashes can be discharged into the ash lock via the funnel-shaped constriction and an adjacent pipe section (15), is disposed above the funnel-shaped construction of the bottom. In order to be able to continuously operate the rotary grate, a slide (19) for bulk material is incorporated into the pipe section.

L'invention concerne un générateur de gaz (1) pour la gazéification de combustibles solides granuleux en composés gazeux combustibles, pour la préparation de gaz de synthèse ou d'un gaz brut contenant de l'H2, et dans lequel un lit fluidisé (4) constitué des combustibles se déplace dans un récipient de réaction fermé qui présente en tête un sas (3) pour l'injection en continu des combustibles et en dessous d'un rétrécissement en entonnoir du fond (14) une fermeture qui sert à extraire dans un sas (16) à cendres les cendres formées, une grille rotative (11) par laquelle l'agent de gazéification peut être introduit par le bas dans le lit fluidisé et les cendres formées peuvent être extraites dans le sas à cendres par le rétrécissement en entonnoir et un tronçon tubulaire (15) qui s'y raccorde étant prévus au-dessus du rétrécissement en entonnoir du fond. Pour obtenir un fonctionnement continu de la grille rotative, un poussoir (19) de matière en vrac est incorporé dans le tronçon de tube.

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