METHOD AND ARRANGEMENT FOR WASTE-GAS PURIFICATION IN VACUUM STEEL TREATMENT PROCESSES

A method for waste gas purification in dust separation plants making use of a device (16) for generating a negative pressure, in particular by means of steam jet ejector pumps or mechanical vacuum pumps, wherein the waste gas coming from a vacuum chamber (15) is conducted into a cyclone separator (1...

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Bibliographische Detailangaben
Hauptverfasser:	OBITZ JOHANNES, LUVEN MICHAEL, LUVEN ARNO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for waste gas purification in dust separation plants making use of a device (16) for generating a negative pressure, in particular by means of steam jet ejector pumps or mechanical vacuum pumps, wherein the waste gas coming from a vacuum chamber (15) is conducted into a cyclone separator (12), and that the method steps of coarse separation of particles from the waste gas and fine dust separation of particles from the waste gas and gas cooling in the cyclone separator (12) are carried out in succession in such a way that the waste gas, after coarse purification has taken place, is conducted directly via a fine dust filter (13) installed in the cyclone separator (12) and subsequently through a gas cooler (14), which follows the fine dust filter (13), into a suction line (2) connected to the device (16) for generating a negative pressure and to the device (16).