Device for production of synthesis gas with a gasification...

C - Chemistry – Metallurgy – 10 – J

Patent

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Details

C10J 3/50 (2006.01) C10J 3/52 (2006.01)

Patent

CA 2719230

The invention relates to a device for producing a crude gas containing CO or H2 by gasification of an ash-containing fuel with oxygen-containing gas at temperatures above the fusion temperature of the ash in a gasification reactor and with a connected gas cooling chamber and a tapered connecting channel running from one chamber to the other. The aim of the invention is avoiding known problems and reducing the amount of fly ash and the amount of ungasified fuel, wherein a weak eddy is achieved in the inlet to the subsequent apparatuses in order to avoid deposits there with a very compact device, wherein the risk of solidification of the slag in the outlet is also avoided. The aim is achieved, wherein in the tapered connection channel (5) eddy reducing or eliminating wall surfaces (6) running over only a part of the cross-section of the connection channel are provided.

L'invention concerne un dispositif de production de gaz brut à teneur en CO ou en H2, par gazéification d'un combustible renfermant des cendres, au moyen d'un gaz renfermant de l'oxygène, à des températures supérieures à la température de fusion des cendres, dans un réacteur de gazéification, et au moyen d'une chambre connectée de refroidissement de gaz, et d'un canal de transition se réduisant d'une chambre à l'autre. L'invention a pour but, en plus d'éviter les inconvénients connus et de réduire la quantité de cendres volantes, ainsi que les quantités de combustibles non gazéifiés, de n'avoir qu'une faible turbulence dans l'entrée des appareils montés en aval, en vue d'y éviter des dépôts, pour un dispositif très compact, abstraction étant faite du risque de solidification des cendres à la sortie. A cet effet, l'invention est caractérisée en ce qu'il est prévu dans le canal de transition aminci (5), des surfaces de paroi (6) ne traversant qu'une partie de la section du canal de transition, diminuant ou empêchant la turbulence.

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