COUNTER FLOW HEAT EXCHANGER WITH FORCED GAS/AIR GUIDANCE

The invention relates to a method for cooling dust-laden exhaust gas from a metallurgical installation. The problem addressed by the invention is that of creating a method and a device for cooling dust-laden hot exhaust gas from a metallurgical installation by means of indirect heat transfer. The pr...

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Bibliographische Detailangaben
Hauptverfasser:	STEINER, Dietmar, SCHMIEDBERGER, Manfred
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for cooling dust-laden exhaust gas from a metallurgical installation. The problem addressed by the invention is that of creating a method and a device for cooling dust-laden hot exhaust gas from a metallurgical installation by means of indirect heat transfer. The problem is solved by means of a method in which the exhaust gas is cooled by a cooling gas by means of indirect heat transfer and the exhaust gas is fed to the cooling process at a temperature above 650°C. The flow direction of the cooling gas is changed at least once. Preferably, the flow direction is reversed. The exhaust gas is cooled in accordance with the counterflow principle.