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 .

高压旁路系统由锅炉出口热之间的高压旁路制阀，给主汽阀和喷减温阀组成。

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.

由计测量，进行信号处理后输入制的PLC中，然后由PLC对制阀进行制以调节。