The crucial role of drum level control in the safety and economic efficiency of boiler operation is discussed.The application of level meters based on different principles is introduced,including mica bi-colored level meters with no blind zone,electrical contact level meters,and differential pressure level meters,in drum level measurement.Subsequently,it analyzes the working principles,characteristics,and applicability under different operational conditions of single impulse control systems and cascaded triple impulse control systems.The importance of selecting appropriate level measurement and control strategies in the context of high automation in modern boiler environments is highlighted.
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