Method and system for uniformization of the delivery of...

Details Method and system for uniformization of the delivery of... Method and system for uniformization of the delivery of...

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 1/00 (2006.01) F23K 3/02 (2006.01)

Patent

CA 2747298

A method and a system for uniformization and regulation of the solid fuels pneumatically conveyed using dense-stream conveying, into a gasifier for the production of synthesis gas, is supposed to be configured in such a manner that clearly homogenized feed of the coal to the burner is made possible, whereby the short-term fluctuations are minimized and thus the gasification quality is improved, and regulation of the amounts of coal to the burner is structured to be more effective. This is achieved in that the fine-grain to dust-type fuel is first conveyed out of a feed container positioned below the burner level, to a level above the burner level, and subsequently homogenized in a line that is directed downward toward the burner.

La présente invention concerne un procédé et un dispositif destinés à l'homogénéisation et à la régulation d'un combustible solide transporté de façon pneumatique par un courant de transport dense arrivant dans un gazéificateur utilisé pour la production de gaz de synthèse. L'objet de la présente invention est de permettre une arrivée bien homogénéisée du charbon jusqu'au brûleur, ce qui permet de réduire au minimum les fluctuations brèves, et donc d'améliorer la qualité de la gazéification, et d'obtenir une régulation plus efficace de la quantité de charbon fournie au brûleur. À cet effet, le combustible, qui va des fines aux poussières et qui est prélevé dans un réservoir d'alimentation (1) disposé au-dessous du niveau du brûleur, est transporté d'abord à un niveau situé au-dessus du niveau du brûleur, à la suite de quoi il est homogénéisé dans un conduit descendant vers le brûleur (4a, 4b).

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