Fire risk during overhaul of the pyrotechnic phosp

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Fire risk during the maintenance of thermal phosphoric acid process equipment the equipment that is shut down for maintenance must be reliably isolated from the complete energy-saving system that only one millionth of the size of carbon fiber is transported. If isolation measures are not taken during the maintenance or the isolation measures do not meet the safety requirements, toxic, flammable, corrosive, asphyxiating and high-temperature media in the operating system will enter the maintenance equipment, which is easy to cause fire and explosion accidents

acid, alkali and other corrosive liquids should be neutralized with the increase of stress. If no strict hot work plan is formulated before maintenance, unreliable isolation, illegal operation and incorrect sampling analysis (such as oxygen content

) are likely to lead to fire accidents

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