Remove dust and filter back -fire relief valve gear

The utility model discloses a remove dust and filter back -fire relief valve gear, including valve body, valve plate, actuating mechanism, the valve plate is installed in the valve body, characterized by the valve plate includes first valve plate and second valve plate, and first valve plate, second...

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Bibliographische Detailangaben
Hauptverfasser:	YANG RONGLIN, JIANG QIAOBING
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING CHEMISTRY COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TAPS THERMAL INSULATION IN GENERAL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a remove dust and filter back -fire relief valve gear, including valve body, valve plate, actuating mechanism, the valve plate is installed in the valve body, characterized by the valve plate includes first valve plate and second valve plate, and first valve plate, second valve plate are connected with one set of actuating mechanism respectively, still is provided with brokenly empty blowback valve, and broken empty blowback valve is installed in the valve body and is lain in first valve plate, the second valve plate rear for valve body dust direction of motion. The resistance of first valve plate falls at 5 -20Pa, and the resistance of second valve plate falls at 50 -300Pa. First valve plate, second valve plate are alternately opened and are closed, and when one of them was in the work position promptly, another was in the standby position. The utility model has the advantages of reasonable design, convenient operation, filtration and back -fire relief are functional, drag -reducing, operation safe and reliable.