The Dow Chemical Company

Douglas D Merrick

Charles W Lipp

Stanley R Pearson

William P White

Richard A Lee

This invention relates to a process burner for feeding a carbonaceous slurry, an oxygen-containing gas, fuel gas, and optionally, temperature moderators contemporaneously and selectively into a pressurized partial oxidation zone. The process burner feature internal formation of a uniform dispersion of the carbonaceous slurry and the oxygen-containing gas and the high atomization of the carbonaceous slurry.

Apparatus for use with pressurized reactors

An improved burner nozzle and process for making a synthetic or fuel gas mixture containing hydrogen and carbon monoxide by the partial oxidation, in a free-flowing hollow reactor, of a slurry of solid carbonaceous fuel in a liquid carrier admixed with a gas containing free oxygen. The nozzle may also be used in other applications where nozzles are required to handle slurries having a high concentration of finely-divided solids that must be uniformly admixed with a gas, as for example, in the aeration or incineration processes of a waste disposal plant. The nozzle and process include enveloping of an annular slurry stream between a central layer and an annular layer of high velocity gas, impinging the annular slurry stream on a downstream nozzle diffuser where a zone of high shear forces produce a uniform atomized admixture of solids, liquids and gases, and then transporting the admixture through an exit orifice at an accelerated velocity to further atomize the admixture.

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Baton Rouge, LA, United States of America

Douglas D Merrick