PULSE DETONATION CLEANING APPARATUS

The burning of fuel (e.g., coal) in industrial equipment generates an exhaust flow containing airborne particulate. The flow is passed through a rotary heat exchanger to preheat inlet air. The heat exchanger element is subject to fouling and is cleaned by a pulsed combustion device. The device is op...

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Bibliographische Detailangaben
Hauptverfasser:	HOCHSTEIN, JR. JAMES R, HARTY JOHN P, BUSSING THOMAS R.A, STEELE DAVID E
Format:	Patent
Sprache:	eng
Schlagworte:	AIR BLASTING CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS COMBUSTION APPARATUS COMBUSTION PROCESSES FLUES HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES WEAPONS
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Beschreibung
Zusammenfassung:	The burning of fuel (e.g., coal) in industrial equipment generates an exhaust flow containing airborne particulate. The flow is passed through a rotary heat exchanger to preheat inlet air. The heat exchanger element is subject to fouling and is cleaned by a pulsed combustion device. The device is operated by introducing a fuel and oxidizer charge to at least one conduit and initiating combustion of the charge. The combustion generates a shock wave to which the element is exposed, dislodging and/or otherwise removing the deposits.