What aspects of coal-fired boiler renovation are worth paying attention to?

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I have identified 4 points that are relatively important. For your reference. First and foremost, something worth noting regarding the demolition work is that it pertains to the auxiliary equipment of coal-fired boilers; specific clear procedures must be in place for carrying out this demolition. The second major challenge in boiler renovation lies in the furnace; since many tasks are related to the furnace, it is necessary to pour the furnace anew. It is necessary to prevent the rear arch tube of the original boiler from being continuously exposed to high temperatures. The third point to note is that, depending on the customer’s specific requirements for modification, it should be determined whether an explosion-proof door should be installed immediately. One final thing to note is that at the end of a boiler renovation project, tests must be conducted, involving a hydrostatic pressure test on the boiler itself at 1.5 times the normal pressure. Delivery can only be completed if the final test is passed.