A method and a feeding apparatus for controlling mixing...

Details A method and a feeding apparatus for controlling mixing... A method and a feeding apparatus for controlling mixing...

F - Mech Eng,Light,Heat,Weapons

23

L

F23L 9/02 (2006.01) F23D 14/62 (2006.01) F23J 7/00 (2006.01)

Patent

CA 2177963

In a combustion or gasification plant having a chamber (4) the mixing conditions or ratio are controlled via a fluid supplied by perforated tubes (13) to maintain a combustion or gasification process. To have an effect on the mixing of the fluid in the combustion gases the tubes (13) are displaced axially in mutual cooperation at longer or shorter time intervals in the chamber. Then the flue gas or gas parameters of the process can be optimized. Further, the tubes are rotatable around their axis and may for replacement purpose be completely withdrawable from the chamber. The tubes are cleaned in connection with their withdrawal. Object of protection are also a feeding means for use in a combustion or gasification plant of the mentioned type.

Dans une installation de combustion ou de gazéification possédant une chambre (4), on régule les conditions ou le rapport de mélange par l'intermédiaire d'un fluide, dont l'alimentation est assurée par des tubes perforés (13), de façon à entretenir un processus de combustion ou de gazéification. Afin d'exercer un effet sur le mélange du fluide dans les gaz de combustion, les tubes (13) sont déplacés axialement en coopération réciproque dans la chambre pendant des durées plus ou moins longues. Ceci permet d'optimiser les paramètres des gaz ou des gaz de fumées du processus. De plus, les tubes sont rotatifs autour de leur axe et peuvent être retirés complètement de la chambre, pour qu'on puisse les remplacer ou les nettoyer. L'invention concerne également un moyen d'alimentation s'utilisant dans une installation de combustion ou de gazéification du type décrit.

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