With the continuous progress of the reactor R & D technology, stainless steel reactor in the operation of the decomposition of the risk of blasting is gradually reduced. But in the process of use, improper operation will still cause the risk of decomposition and bursting. The following is a summary of the use of the process-related issues, mainly in 2 areas.
Higher oxygen content of the gas in the process system leads to the decomposition of stainless steel reactor burst. Usually should not be greater than 1ppm. treatment method to strictly control the oxygen content of the process system.
Reactor with mechanical impurities, resulting in local friction and heat resulting in the decomposition of the reactor burst.
Handling method: Pay attention to the maintenance not to fall into the mechanical impurities. Bearing components wear and heat, resulting in overheating and temperature rise leading to the decomposition of the reaction kettle rupture. Treatment method: Strictly check the quality of spare parts and improve the quality of overhaul. Stirrer paddle and kettle wall friction produces localized overheating leading to stainless steel kettle decomposition and bursting. Treatment method: Improve the quality of maintenance and spare parts. Catalyst system instrumentation self-control or catalyst pump operation failure leads to the decomposition of stainless steel kettle rupture. Treatment method overhaul, debugging instrumentation to achieve accuracy and sensitivity. Catalyst dosage is too much or feeding speed is too fast, the instantaneous temperature rise is too fast, resulting in decomposition and bursting. Treatment method to strictly control the amount of catalyst, feeding should be uniform.
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