This paper analyzes current technical conditions of the control system of steam injection boiler and proposes a comprehensive plan.

分析了注汽锅炉控制系统技术现状，提出了注汽锅炉控制系统综合技术方案。

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So, smaller photoelectric feedback index should be chosen to control the bistability region more effectively, and the period of the time-varying injection current should be small.

因此，为了更有效地控制双稳区，应选取较小的光电反馈率，同时时变注入电流具有较高的扫描速率。

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