针对直流锅炉燃料控制系统中存在的燃料量扰动问题，设计了以中间点温度为被调量、烟气含氧量为导前信号的燃料控制系统。

To solve the problem caused by fuel disturbance in fuel control system of oncethrough boilers, a fuel control system with O 2signal is designed in this paper.

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如何使蒸汽压力保持良好的动态特性，使入炉燃料得以充分燃烧，是锅炉燃烧系统控制的关键。

How to keep the main steam pressure with better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is the most important to combustion system control.

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这种控制策略用于主汽温和锅炉燃料调节系统中，取得了良好的控制效果。

When this control strategy is applied into primary steam temperature and boiler fuel regulating systems, benign control effect can be obtained.

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