【摘要】 本文介绍了余热电站集散型控制系统的构成和设计要点。该系统由监控层和过程控制层并配以少量现场仪表和控制设备构成,可实现对两台锅炉和一台汽轮机——发电机组及其辅助设备的自动控制和集中监控。文中还对循环流化床锅炉重要回路的控制策略做了详细的描述。更多还原

【Abstract】 The structure and design essentials to this electric station using remain heat of the distributed control system is introduced in this paper. The system is composed of supervise and control layer, process control layer with a few field meters and control instruments. The DCS can realize supervising of the technology process, automatic controlling of two boilers and a steam turbine-generator group with assist equipments. The control tactics of important loop about cyclic mobile layer boiler is described in detail.更多还原