Method and apparatus for thermally upgrading carbonaceous...

Details Method and apparatus for thermally upgrading carbonaceous... Method and apparatus for thermally upgrading carbonaceous...

C - Chemistry, Metallurgy

10

L

C10L 9/00 (2006.01) F28D 7/00 (2006.01)

Patent

CA 2564543

Carbonaceous materials are thermally upgraded in a pressurized steam environment to remove moisture and other byproducts. A variety of water/solid separation devices may be employed in a process vessel to maximize moisture removal from the upgraded charge. Heating media inlet nozzles and process chamber vents are strategically positioned at the process vessel wall to minimize short circuiting of heating media to vessel outlet vents and to continuously separate hot water removed from the charge and condensed steam, such that the upgraded material removed from the process vessel is not discharged with accompanying free moisture. After upgrading, the charge may be rehydrated to improve its stability during shipping and storage.

Des matériaux carbonés sont thermiquement améliorés dans un environnement de vapeur sous pression pour éliminer l'humidité et autres sous-produits. Un grand nombre de dispositifs de séparation liquide/solide peut être employé dans une cuve de traitement pour maximiser l~élimination de l'humidité de la charge améliorée. Les tuyaux d'arrivée des moyens de chauffage et les orifices de la chambre de traitement sont disposés stratégiquement sur les parois de la cuve de traitement pour minimiser le court-circuitage des moyens de chauffage vers les orifices de la cuve et séparer de façon continue l'eau chaude ôtée de la charge et la vapeur condensée, de façon à ce que le matériau amélioré retiré de la cuve de traitement ne soit pas évacué avec l'humidité l'accompagnant. Après amélioration, la charge peut être réhydratée pour améliorer sa stabilité durant le transport et le stockage.

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