Industry standards for air separation equipment

How to determine whether the heating regeneration of the molecular sieve of the air separation equipment is complete?

Before installation of piping for liquid air separation plant, oxygen piping should be subjected to strict acid cleaning and degreasing in accordance with the national standard "Safety Technical Regulations for the Production of Oxygen and Related Gases by Deep Freezing", and then blown clean with dry air or nitrogen without oil.   When the oxygen pipeline has not been put into operation for a long time after installation and construction, it should be protected with dry gas to prevent hu...