F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
F23C 99/00 (2006.01)
Patent
CA 2601356
Included is a method of starting up a direct heating device having a fuel introduction zone, a combustion zone and a process zone that is in heat exchange relationship with said combustion zone. Prior to the introduction of a fuel fluid into said combustion zone, an oxidant fluid, having a high temperature, is passed through the combustion zone for a warm-up time period sufficient to raise the temperature of the direct heating device to a desired temperature. Steam or a process fluid is passed through the process zone followed by the introduction of a fuel fluid into the fuel introduction zone. After the device has been heated up a process fluid is introduced through the process zone. Thereafter, the introduction of steam through the process zone may be stopped.
L'invention concerne un procédé de démarrage de dispositif de chauffage direct comprenant une zone d'introduction de combustible, une zone de combustion et une zone de processus en relation d'échange thermique avec ladite zone de combustion. Avant d'introduire le fluide combustible dans la zone de combustion, un fluide oxydant à température élevée traverse ladite zone de combustion pendant une période de réchauffement suffisante pour élever la température du dispositif de chauffage direct à une température désirée. De la vapeur ou un fluide de processus traverse la zone de processus, puis le fluide combustible est introduit dans la zone d'introduction de combustible. Une fois que le dispositif a été chauffé, un fluide de processus est introduit dans la zone de processus. On peut ensuite arrêter l'introduction de vapeur dans ladite zone de processus.
Munshi Abdul Wahid
Veenstra Peter
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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