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对捷制６７０ｔ／ｈ直流炉给水控制系统改造方案进行简要介绍和分析，并提出：在协调控制方式下的直流炉给水控制系统具有多重控制任务，选择合理的控制方案和优化整定参数是保证给水、协调和过热汽温控制系统投入的关键
The paper introduces and analyzes the reform plan of 670t / h DC boiler water supply control system and points out that DC boiler water supply control system has multiple control tasks under the coordinated control mode. Choosing a reasonable control scheme and optimizing the setting parameters is to ensure water supply , The key to coordinate and overheat the steam temperature control system