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Purging LNG tanks with liquid nitrogen

Regularly check the LNG tank to ensure that the tank is kept at positive pressure

Check the LNG tank regularly to ensure that the tank is kept at positive pressure

Content

Liquid nitrogen is vaporized by the vaporizer on the station and then charged into the tank from the gas phase pipeline of the tank. When the tank pressure reaches 0.2MPa, the filling is stopped. Then, the liquid phase valves (including the liquid phase valve of the level gauge) are opened one by one or all to purge the pipeline.

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Adiabatic method: powder adiabatic
Working pressure: 0.2-3.0mpa
Effective volume: 5-200m3
The design temperature: – 196 ¡ã C – 50 ¡ã C
Filling rate: 95%

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