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

Continuously replenish liquid nitrogen to keep the LNG tank cold

Content

Purge at least 2-3 times until the temperature of the blown gas is ≥-20°C and the natural gas concentration is less than 3% (volume concentration) to be qualified. Then, the tank is kept at 0.05MPa and all valves (except the instrument valve) are closed. Check the tank regularly to ensure that the tank is kept at positive pressure.

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