Importance

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Abstract

An exhaust stack for a submerged combustion melter includes a lower flue, an upper flue, an expansion joint between the lower and upper flues, and a hood. The lower flue is coupled to a tank of a submerged combustion melter and the upper flue and the lower flue are compliantly coupled together by the expansion joint. The hood is coupled to the upper flue and includes a circumferential shell that defines one or more diluent inlets for introducing a diluent directly into an exhaust material flowing through the exhaust stack. The exhaust material may also additionally be cooled in the lower flue, the upper flue, or both, prior to the exhaust material flowing through the hood. A submerged combustion melting system that includes a submerged combustion melter and the exhaust stack, as well as a method of cooling an exhaust material that exits a submerged combustion melter, are also disclosed.

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First Claim