Factors influencing the heat exchanger of the large air separation unit

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

In fact, reflux ratio is a conventional saying. In practical calculation, it is divided into liquid gas ratio in distillation section and gas-liquid ratio in stripping section. The minimum reflux ratio is of course the same. When the number of trays and reflux ratio determine the purity of distillation products, the actual meaning is that the gas-liquid ratio of the stripping section and the number of trays in the stripping section determi...