F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
48/4
F23D 17/00 (2006.01) C10J 3/48 (2006.01)
Patent
CA 1339294
A process burner (10) for the partial oxidation of a carbonaceous slurry has three concentric conduits (23,28,26) defining a central passageway (27), a middle annular passageway (25) and a frusto-conical passageway. The discharge ends of the central and middle passageways (27,25) lie in substantially the same plane and an acceleration conduit (33) extends the frusto-conical passageway downstream. The slurry is passed through the middle passageway (25) and oxygen-containing gas is passed through the central and frusto-conical passageways with 70-95 weight percent of said gas passing through the frusto-conical passageway. Preferably, the acceleration conduit forms a smooth curving surface without sharp angles from the frusto-conical conduit apex to a cylindrical discharge portion of the acceleration conduit. It also is preferred that the annular passageway (25) has an enlarged upstream end forming a distribution chamber (16) having a baffle place (16a) angularly disposed under the slurry feed inlet to the annular passageway (25) so that the slurry feed changes from axial to downwardly spiralling radial flow.
600025
Destec Energy Inc.
Smart & Biggar
The Dow Chemical Company
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