SEALING SYSTEM FOR TANK ROTARY SHAFT

The invention discloses a sealing system for a tank rotary shaft. A seal arrangement allowing in-line maintenance and replacement of packing, seals and bushings of a rotary shaft (14) driving a tool (10) to extend inside a fluid holding tank (12). The rotary shaft (14) and associated seals (40, 50)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PELOQUIN GUY, BELTRAME DEAN, LABRUM DEANE, BOIVIN ALAIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BLASTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PISTONS SEALINGS STORING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a sealing system for a tank rotary shaft. A seal arrangement allowing in-line maintenance and replacement of packing, seals and bushings of a rotary shaft (14) driving a tool (10) to extend inside a fluid holding tank (12). The rotary shaft (14) and associated seals (40, 50) are mounted in an extractabie cartridge (32) removably insertable in sealing engagement within a housing (35) projecting outwardly from the tank (12). A secondary seal (34) comprises an isolation valve mounted to the housing (35) outside of the tank (12) for temporarily providing sealing during servicing of the seals in the extracted cartridge (32). A tertiary seal is provided for protecting the secondary seal (34) from the tank contents when used in scaling environments. Removable parts of said seal arrangement. 个允许在线维护和替换驱动在流体保持箱(12)内部延伸的工具(10)的旋转轴(14)的封填料、密封件和衬套的密封装置。该旋转轴(14)以及相关联的密封件(40，50)被安装在可抽出的套筒(32)内，该可抽出的套筒可以密封接合方式可移除地插入在从该箱(12)向外突出的壳体(35)内。二级密封件(34)包括个隔离阀，该隔离阀安装到该箱(12)的外部的壳体(35)用于在维修可抽出的套筒(32)内的密封件期间暂时提供