Study of Condensate Energy Saving Control Technology Based on Pressure Self-Adaptive

A novel energy saving control technology of condensate based on pressure-adaptive is proposed. Through the improved condensate pump and deaerator level control strategy, the fluctuation of condensate pump outlet pressure and deaerator level is small. Through decreasing the outlet pressure set-point to constraints vicinity of operators, current of condensate pump is also decreased. Application results of some 1000MW unit show that the proposed strategy can achieve good energy-saving results. It is worth to popularizing and application.