YUAN Zidan. Optimization of Automatic Control Strategy of Boiler Air Supply[J]. 2019, 39(5): 59-61.DOI：
锅炉送风自动控制策略优化
摘要
分析某电厂机组送风无法自动投入的原因
采取机组负荷指令与送风机动叶开度对应关系的离散控制策略
作为送风自动控制的粗调;以氧量对应送风机动叶开度变化的模糊控制策略
作为送风自动控制的前馈细调策略
来实现机组送风量的自动控制。同时结合送风自动的投入
优化炉膛负压自动控制参数。最后通过跟踪整定控制参数
实现了送风自动的投入
且调节品质能满足机组运行要求。
Abstract
The paper analyzes the reasons why the automatic air supply of a power plant unit can not be put into normal operation
and adopts the discrete control strategy of the corresponding relationship between the load instruction of the unit and the opening of the air supply motor blade
as the rough tone of air supply automatic control. As a feedforward fine-tuning strategy of air supply automatic control
the fuzzy control strategy of oxygen corresponding to the change of air supply flow is used to realize the automatic control of air supply. At the same time
the automatic control parameters of furnace negative pressure are optimized with the input of air supply. Finally
by tracking the control parameters
the automatic input of the air supply is realized
and the quality adjustment can meet the requirements of the unit operation.
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