超临界锅炉控制系统设计

Design of control system for supercritical boiler

超临界锅炉是将锅炉内工质压力提高到临界点以上,一般在22.115MPa至26MPa之间,使其发电效率大幅提高,同时具有较高的环保效果和经济性,本文在超临界锅炉发电技术的基础上,通过设计超临界锅炉的启动系统和汽温控制系统,来减少工质流失和热量损失,适应快速变化的锅炉负荷,提高锅炉的控制精度和稳定性。

The supercritical boiler is to raise the pressure in the boiler to the critical point above the critical point,generally between 22.115 MPa and 26 MPa, so that the power generation efficiency is greatly improved, and it has high environmental protection effect and economy.On the basis of the supercritical boiler power generation technology, the starting system and temperature control of the supercritical boiler are set up on the basis of the supercritical boiler power generation technology.The system is designed to reduce the loss of working fluid and heat loss, adapt to the fast changing boiler load and improve the control accuracy and stability of the boiler.