电站锅炉给水调节阀的阀杆密封采用柔性石墨填料，既降低了摩擦力，又为调节阀的运行节约了能源。

The stem seal of a feed water control valve uses expanded graphite packing in order to produce friction and to economize on energy for the control valve working.

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由于汽轮机控制系统是与锅炉给水调节方式密切相关的，实际上汽轮机控制与给水调节已经成为一个不可分割的整体。

Both the turbine control system and the boiler feed water adjust way are intimate correlated, so turbine control and feed water adjust can not be divided.

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本文着重探讨当给水调节伐门开度变化时，伐门特性以及管路传输迟延对锅炉汽包水位动态特性的影响。

This paper focuses on effects of the valve characteristics and the transfer pipe delay on dynamic performance for boiler drum level, under varying valve opening of the feed water control valve.

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