DIRECT REAGENT VAPORIZATION SYSTEM

The present invention provides for a protective sleeve for use with a reagent injection lance. The protective sleeve includes a tube having a bore therethrough. Further, the tube has a lance receiving end configured to receive a reagent injection lance and an exhaust gas chamber end that extends int...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Shaw, John R, Boyer, Thomas W, Taylor, Scott A
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The present invention provides for a protective sleeve for use with a reagent injection lance. The protective sleeve includes a tube having a bore therethrough. Further, the tube has a lance receiving end configured to receive a reagent injection lance and an exhaust gas chamber end that extends into an exhaust gas chamber. The tube further includes a shielding air opening located proximate to the lance receiving end and configured to receive shielding air. The shielding air enters into the bore through the shielding air opening, surrounds the lance, protecting it from the heat of the exhaust gas flow. The shielding air exits the bore through the exhaust gas chamber end.