论文部分内容阅读
由于V702阀后铝管开裂,使珠光砂进入空分塔内和主冷内,虽进行吹扫,但珠光砂粉末仍未能从换热器内清扫干净,影响运行,采用液氧倒灌法开车出氧。
As V702 valve after the aluminum tube cracking, pearl sand into the air separation tower and the main cold, although the purge, but the pearl powder sand still can not be cleaned from the heat exchanger, affecting the operation, the use of liquid oxygen intrusion method to drive Oxygen.