In order to alleviate the pressure of environmental protection and further strengthen the monitoring and control of NOx emission of thermal power units, combining with the transformation of boiler low-nitrogen burner,...In order to alleviate the pressure of environmental protection and further strengthen the monitoring and control of NOx emission of thermal power units, combining with the transformation of boiler low-nitrogen burner, combustion optimization, static and dynamic ratio of air and coal, and SCR denitration system process, third-order NOx online control technology was designed and applied, which takes the combustion security, boiler efficiency and environmental evaluation into account and provide reference for thermal power units to deepen energy conservation and emission reduction.展开更多
首先,设计了节点自适应传感半径调整算法(AASR,adaptive adjustment of sensing radius),通过节点自适应选择最佳的覆盖范围,有效地进行节点覆盖控制,减少节点能量虚耗,提高覆盖效率。其次,从调整效果、能量消耗和覆盖冗余度3个方面对...首先,设计了节点自适应传感半径调整算法(AASR,adaptive adjustment of sensing radius),通过节点自适应选择最佳的覆盖范围,有效地进行节点覆盖控制,减少节点能量虚耗,提高覆盖效率。其次,从调整效果、能量消耗和覆盖冗余度3个方面对节点自适应传感半径调整算法进行了模拟实验和分析。仿真结果表明,AASR能够有效提高节点生存时间,减少能量消耗,提高覆盖率。展开更多
为解决机械喷油泵双燃料发动机燃气替代率低、排放指标差的问题,采用燃油、燃气双电子控制单元(electronic control unit,ECU)控制技术,开发Z6180/S油气双ECU双燃料发动机。发动机台架和2500 h排放耐久性试验结果表明:双ECU控制技术可...为解决机械喷油泵双燃料发动机燃气替代率低、排放指标差的问题,采用燃油、燃气双电子控制单元(electronic control unit,ECU)控制技术,开发Z6180/S油气双ECU双燃料发动机。发动机台架和2500 h排放耐久性试验结果表明:双ECU控制技术可以实现对发动机全工况及不同工作模式下的燃料精确喷射和燃烧优化调节,Z6180/S油气双ECU双燃料发动机燃气替代率可达90%,污染物排放满足国家相关标准要求。展开更多
文摘In order to alleviate the pressure of environmental protection and further strengthen the monitoring and control of NOx emission of thermal power units, combining with the transformation of boiler low-nitrogen burner, combustion optimization, static and dynamic ratio of air and coal, and SCR denitration system process, third-order NOx online control technology was designed and applied, which takes the combustion security, boiler efficiency and environmental evaluation into account and provide reference for thermal power units to deepen energy conservation and emission reduction.
文摘首先,设计了节点自适应传感半径调整算法(AASR,adaptive adjustment of sensing radius),通过节点自适应选择最佳的覆盖范围,有效地进行节点覆盖控制,减少节点能量虚耗,提高覆盖效率。其次,从调整效果、能量消耗和覆盖冗余度3个方面对节点自适应传感半径调整算法进行了模拟实验和分析。仿真结果表明,AASR能够有效提高节点生存时间,减少能量消耗,提高覆盖率。
文摘为解决机械喷油泵双燃料发动机燃气替代率低、排放指标差的问题,采用燃油、燃气双电子控制单元(electronic control unit,ECU)控制技术,开发Z6180/S油气双ECU双燃料发动机。发动机台架和2500 h排放耐久性试验结果表明:双ECU控制技术可以实现对发动机全工况及不同工作模式下的燃料精确喷射和燃烧优化调节,Z6180/S油气双ECU双燃料发动机燃气替代率可达90%,污染物排放满足国家相关标准要求。
