Method and apparatus for draining connecting pipes between...

Details Method and apparatus for draining connecting pipes between... Method and apparatus for draining connecting pipes between...

B - Operations, Transporting

67

D

B67D 7/72 (2010.01) B67D 7/78 (2010.01)

Patent

CA 2305326

An air and gas vessel (1) having a downward opening is mounted within a tank (10, 20) for transport of liquid, e.g., oil. From the top side of the vessel runs a conduit (2) toward the inlet of the bridging hose (5) to the next tank. The conduit (2) may be closed by means of a cock (3). When the tank is filled with liquid from level A with the cock (3) closed, a volume will be stored in the vessel (1) when the tank is filled to level B. In order to drain the bridging hose (5), the cock (3) is opened. The confined air/gas volume will rise up into the bridging hose (5) and the liquid volume will run back into the tank. The tanks may then be closed by means of the cocks (4) prior to starting the transport.

Réservoir (1) d'air et de gaz comportant une ouverture vers le bas, monté à l'intérieur d'une citerne (10, 20) destinée au transport d'un liquide, par exemple du pétrole. Un conduit (2) partant du haut du réservoir se dirige vers l'orifice d'entrée du tuyau de raccordement (5) qui mène à la citerne suivante. Le conduit (2) peut être fermé par un robinet (3). Quand on remplit la cuve de liquide depuis le niveau A, avec le robinet (3) fermé, un certain volume est stocké dans le réservoir (1) une fois que la citerne est remplie jusqu'au niveau B. Pour purger le tuyau de raccordement (5), on ouvre le robinet (3). Le volume d'air/de gaz confiné s'élève jusqu'au tuyau de raccordement (5) et le volume de liquide est refoulé à l'intérieur de la citerne. Les citernes peuvent alors être fermées au moyen du robinet (4) avant le début du transport.

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