Issues related to the technical renovation of chemical processing plants
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The original chemical processing units had issues such as outdated technology, high energy consumption, and low product purity. Modifications were carried out on these units by adding additional heat exchange equipment, changing the existing process routes, raising the height of the distillation towers, and implementing side-stream extraction. Is a safety assessment required again after the renovation is completed? Can I drive directly?
This falls under the category of equipment technical upgrades; a technical upgrade report must be submitted to the local economic and industrial development commission, and only after approval can the design and upgrade proceed； At the same time, safety assessments, environmental impact assessments, fire safety measures, and so on must all be implemented concurrently
This is a renovation project, and in principle, safety assessments, environmental impact assessments, and the like need to be carried out again. Even for newly approved projects, if there are changes in the production process, safety assessments and similar evaluations must be done anew.
After the redesign and construction of the device, a new safety assessment is required
If the manufacturing process remains unchanged, is it possible to avoid going through procedures such as new safety and environmental impact assessments? The main aspect of this project is probably the change in the process route, rather than changes to individual equipment, right? I hope friends who understand this well can help answer it. Thank you.
It depends on the extent of the renovation; the relevant departments need to determine it specifically.