상황
A chemical processing plant requires a deaerator to remove dissolved oxygen from condensate return and makeup water before feeding a water-tube boiler, with level, flow, and steam pressure controls to protect boiler operation.
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01
Use tray-type deaerator with condensate inlet and steam stripping
02
Control deaerator level by throttling condensate return
03
Control boiler feedwater flow and steam pressure to deaerator
Use for boiler utility P&IDs where deaerator level, boiler feedwater flow, and steam pressure loops must be shown.