Liquid air separation plant jump recovery process

The introduction of gas should be in accordance with the lower tower stamping, open the expansor, pour into the upper tower of the sequential process, the time should not be too long, the main cooling tower with liquid, down the tower to guide the gas virtual slowly to prevent the main cooling in the liquid suddenly vaporised, resulting in pressure on the tower, guide gas before the need to confirm the liquid nitrogen throttle back to the lower tower valve and go to the upper tower valve closed.