Shut=off valve for gas duct - has lock chamber with rows of swivel louvre grooves

The shutoff valve for closing a large cross-sectional area gas duct comprises a lock chamber defined by the gas duct walls and the two rows of swivel louvre grills. These are held to the housing of the shutoff which accommodates a mechanical actuator. The louvre grills are arranged in the gas duct a...

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Bibliographische Detailangaben
1. Verfasser:	ALEXANDR ALEXEEVICH BORODIN
Format:	Patent
Sprache:	eng ; fre
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 MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The shutoff valve for closing a large cross-sectional area gas duct comprises a lock chamber defined by the gas duct walls and the two rows of swivel louvre grills. These are held to the housing of the shutoff which accommodates a mechanical actuator. The louvre grills are arranged in the gas duct at an angle to the vertical plane to be spaced more widely apart in the top of the gas duct than in the bottom portion. When the gas duct is closed the lock chamber is filled with bulk free-flowing material from the top hopper located in the gas duct upper portion. When the gas duct is opened, the lock chamber is emptied of the bulk material. This is free to pour by gravity into the bottom receiving hopper, both of the hoppers being interconnected through a conveyor for the bulk material to return to the top hopper. L'INVENTION CONCERNE LES APPAREILS DE ROBINETTERIE.L'APPAREIL FAISANT L'OBJET DE L'INVENTION EST CARACTERISE NOTAMMENT EN CE QUE LES PERSIENNES A LAMES TOURANTES 3 SONT MONTEES DANS LE CONDUIT DE GAZ 1 AVEC UNE CERTAINE INCLINAISON PAR RAPPORT AU PLAN VERTICAL, DE TELLE FACON QUE LA DISTANCE ENTRE ELLES SOIT PLUS GRANDE DANS LA PARTIE SUPERIEURE DU CONDUIT DE GAZ QUE DANS SA PARTIE INFERIEURE, ET QUE L'ENCEINTE DU SAS 4, FORMEE PAR LESDITES PERSIENNES ET LES PAROIS DU CONDUIT DE GAZ, EST LIMITEE PAR UNE TREMIE D'ALIMENTATION 5 A LA PARTIE SUPERIEURE DU SAS ET PAR UNE TREMIE D'ACCUMULATION 6 A LA PARTIE INFERIEURE DU SAS.L'INVENTION PEUT ETRE UTILISEE NOTAMMENT DANS LES CENTRALES THERMIQUES, AINSI QUE DANS LES FOURS FONCTIONNANT EN COMBINAISON AVEC DES GROUPES DE RECUPERATION.