The HP-bypass system between the boiler outlet and cold reheat consists of an HP-bypass control valve, a feedwater stop valve and a water injection valve, for steam attemperation .

高压旁路系统锅炉出口及之间的高压旁路控制阀，水主汽阀和喷水减温阀。

By fluviograph survey water level, after clear signal processing, inputs the control water level in PLC, then carries on the control by PLC to the water level control valve to adjust the water level.

水位计测量水位，进行信号处理后输入控制水位的PLC中，然后PLC对水位控制阀进行控制以调节水位。