Some faults that may occur during the operation of the air separation unit and other unexpected faults shall be handled by the on-site operators according to the specific conditions.
The air supply stops and the alarm device of the air turbine compressor sounds. Consequence: the pressure in front of the booster compressor drops sharply, the system pressure and the resistance of the rectification tower drop, and the product purity is destroyed. If the product gas compressor (including cryogenic liquid pump) continues to operate, it will cause negative pressure on the rectification tower and relevant pipelines. Emergency measures: stop the operation of medium pressure liquid oxygen pump, medium pressure liquid argon pump, process liquid argon pump, booster compressor, booster turbine expander, product gas compressor, etc; Put the fractionator in a closed state; Stop regeneration of Molecular Sieve Purifier.
When the power supply is interrupted, all electrically driven machines stop working and the alarm device on these machines sounds. Consequence: the system pressure and the resistance of the rectification column decrease, and the product purity is destroyed.
Emergency measures: stop the operation of medium pressure liquid oxygen pump, medium pressure liquid argon pump, process liquid argon pump, booster turbine expander and relevant machines, and close the inlet and outlet valves. Place the fractionator in a closed state. Stop regeneration of Molecular Sieve Purifier. Disconnect a machine driven by electricity from the power grid. Stop the unit.
In the long-term business process of DEAR air separation, in addition to providing high-quality complete sets of air separation equipment for domestic and foreign customers, deer also provides customers with air separation equipment maintenance, energy saving and intelligent upgrading and transformation for a long time.
