Koch Enterprises, Inc.

F Ellis Vandiver

Orville C Ungerer

Lory Johnson

George W Taggart, Deceased

An apparatus for inspecting, monitoring or injecting a process material into a high temperature process vessel includes a lance having an outer annulus, an inner annulus and a plurality of tubes positioned between inner annulus and outer annulus, the inner annulus defines a center passage, the tubes communicating with the cooling medium inlet for the flow of cooling medium to the distal end of the lance, the outer annulus, inner annulus and plurality of tubes defining a plurality of interspacial areas for the flow of cooling medium from the distal end of the lance to the cooling outlet. A thermocouple may mounted inside a thermocouple well for measuring the temperature adjacent the distal end of the injection lance.

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Plano, TX, United States of America

F Ellis Vandiver