F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/104
F27D 3/16 (2006.01)
Patent
CA 1134142
ABSTRACT OF THE DISCLOSURE An exothermic reaction process is des- cribed, in which a reactor is used which has a refractory lining and a plurality of annular nozzles mounted in said lining. Each of said nozzles have an inner reactant gas passage and an annular shielding gas passage surrounding said reactant gas passage. A reactant gas is supplied through a reactant gas manifold and a plurality of reactant gas feed conduits connecting said reactor gas manifold to respective ones of said reactant gas passages and is used for an exothermic reaction in said reactor. A shielding fluid is supplied through a shielding fluid manifold and a plurality of shielding fluid feed conduits connecting said shielding fluid manifold to res- pective ones of said shielding fluid passages. The pressure in said reactant gas manifold is sensed and the flow in each of said shielding fluid feed conduits is controlled in dependence on the conditions in said reactant gas manifold so as to prevent a pressure rise in each of said shielding fluid feed conduits above an upper limit, which depends on the pressure in said reactant gas mani- fold, and, as long as said pressure in said shielding gas feed conduit is below said upper limit, to maintain a predetermined ratio between the flow rate in each of said shielding gas feed conduits and the flow rate in said reactant gas manifold.
357972
Fetherstonhaugh & Co.
Voest - Alpine Aktiengesellschaft
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