• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Systems and Control in Aerospace and Astronautics, 2008. ISSCAA 2008. >Override Control of Furnace Combustion System
【24h】

Override Control of Furnace Combustion System

机译：炉膛燃烧系统的超控

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The furnace combustion system of circulating fluidized bed boiler (CFBB) must ensure the steam pressure as a constant via controlling the coal quantity and wind flow. Another important role is to avoid the temperature varying excessively which will result in the high temperature agglomeration or low temperature agglomeration in boiler. Based on the model and characteristic analysis of combustion system, this paper presents an override control solution which can satisfy the various control tasks requirement. In this design, the control strategy is selected automatically according to the furnace temperature value. When the temperature is normal, abnormal or unsafe, the conventional control, limiting control or shut-down devices with warning will be triggered respectively. The dynamic control process is simulated on an object model, and the quiver phenomenon that often occurs in override control is analyzed and improved. The simulation result shows that this design can deal with the control task of both steam pressure and the agglomeration at the same time, and ensure the device safety and system continuous. What’s more, the design is proved to be effective in the Wangjiazhai power plant, mining bureau of Shuichen, Guizhou province.
机译：循环流化床锅炉的炉膛燃烧系统（CFBB）必须通过控制煤量和风量来确保蒸汽压力恒定。另一个重要的作用是避免温度变化过大，否则会导致锅炉的高温结块或低温结块。在燃烧系统的模型和特性分析的基础上，提出了一种满足各种控制任务要求的超越控制方案。在该设计中，根据炉温值自动选择控制策略。当温度正常，异常或不安全时，将分别触发常规控制，极限控制或带警告的停机装置。在对象模型上模拟了动态控制过程，并分析和改善了超驰控制中经常出现的颤动现象。仿真结果表明，该设计可以同时处理蒸汽压力和团聚的控制任务，保证了设备的安全性和系统的连续性。此外，该设计已在贵州省水城市矿业局王家寨发电厂被证明是有效的。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号