Biogas purification cases

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...

1. The removal of perlite site shall be supervised by full-time personnel and guided by professionals. The principle of who organizes, who takes responsibility shall be followed. There should be a safe passage and a warning line at the removal of perlite site, and it is strictly forbidden to enter. 2. Dry air shall be used to warm the sand during the removal and knock the cold box to remove the pearlite caking, so as to prevent equipment damage caused by falling caking. 3. The removal of perlite should be carried out in layers and sand holes should be opened at different heights of the cold box. (It can be adjusted according to the site conditions) 4. In the process of removal of perlite, always supervise the caking on the top and enter the cold box for cleaning at any time. 5. In case of severe weather such as rain, snow, strong wind or sand storm danger, the construction party and the owner shall jointly confirm that the sand stripping work shall be postponed. 6. Remov