The purpose of comprehensive purging of the device
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1) Further remove rust, welding slag and other debris from equipment and pipelines to prevent valves from jamming and blocking pipelines and pumps. 2) Check whether the installation of equipment and pipelines meets the design requirements, check whether there are leaks in pipelines, flanges, welds and valves, and ensure that the pipelines are smooth and the equipment is in good condition. 3) Check the changes of process pipelines and equipment under thermal conditions, and test the process pipelines and equipment. 4) Be familiar with the process and conduct technical training to ensure a smooth start. Time is short, if there is anything missing, please add it.
Article 3: "Check the changes of process pipelines and equipment in hot conditions." The comprehensive purging of the device does not necessarily use steam. If nitrogen is used for purging, there will be no "hot conditions."”
It is more economical to change nitrogen to industrial air when purging new equipment.
Blow out welding slag and other impurities in the device and pipelines to prevent impurities from clogging pipelines, filters, regulating valves, flow meters, etc. during production to ensure smooth production.
Whether it is a new device or a maintenance device, the functions of the two are different. The new device is mainly to connect the process, clean the garbage, inspect the process, and conduct post training and maintenance. Comprehensive purging is mainly for the convenience of maintenance.