Old device put into operation
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The company has an old set of equipment that hasn’t been used before; it was put on hold for 5 years due to technical reasons. Now they want to use it again – what tasks need to be carried out? Does the pipeline need to be purged again? What medium is suitable for purging? Are there any details to pay attention to? I’m asking friends who have had similar experiences to offer some advice
Follow the relevant management regulations for the commissioning of chemical plants and proceed step by step. There have been many discussions on the forum, which can be referenced. Regulations on Production Preparation for Refining and Chemical Processing Facilities https://bbs.hcbbs.com/thread-936614-1-1.html Regulations on Technical Documents for the Completion of Chemical Industry Project Construction https://bbs.hcbbs.com/thread-699556-1-1.html
Prepare a plan! Execute upon approval!
In accordance with the safe life cycle, Process Hazard Analysis (PHA) should be conducted throughout the entire process of chemical facility commissioning, shutdown, and decommissioning. For example, HAZPOP analysis is used to identify risks and develop measures to mitigate them. All factors that seriously affect safety have been eliminated, and all personnel have received training on conducting pre-driving safety checks. Commissioning is carried out in accordance with the feed trial operation plan, followed by startup.
First, clean it with water or acid; it seems that simply blowing it out won’t be enough
If there are valves on the device, those valves need to be pressurized tested again and serviced; therefore, the screw fasteners should be tightened, and it is best to use new gasket plates for installation.