<p class="1" style="MARGIN: 5pt 0cm;"><font face="黑体" size="6"><strong>先进控制在循环流化床机组的应用</strong></font></p><p class="2" style="MARGIN: 0cm 0cm 5pt;"><span lang="EN-US"><a href="http://film.eptchina.cn/"><font size="5"><font face="仿宋_GB2312"><strong><span lang="EN-US"><span lang="EN-US">赵伟杰<sup>[1]</sup><span style="mso-spacerun: yes;"> </span></span></span><span lang="EN-US"><span lang="EN-US">刘鹏翔<sup>[2]</sup><span style="mso-spacerun: yes;"> </span></span></span><span lang="EN-US"><span lang="EN-US">郭荣<sup>[3]</sup><span style="mso-spacerun: yes;"> </span></span></span><span lang="EN-US"><span lang="EN-US">龚文刚<sup>[3]</sup></span></span></strong></font></font></a></span></p><p class="3" style="MARGIN: 0cm 0cm 7pt;"><font face="楷体_GB2312"><strong>(<span lang="EN-US">[1]</span>中国石化上海石油化工股份有限公司热电事业部,上海<span lang="EN-US">200540</span>;<span lang="EN-US">[2]</span>霍尼韦尔(中国)技术研发中心,上海<span lang="EN-US">201203</span>;<span lang="EN-US">[2]</span>上海发电设备成套设计研究院,上海<span lang="EN-US">200240</span>)</strong></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><strong><span style="FONT-FAMILY: 黑体; mso-ascii-font-family: 'Times New Roman';">摘要:</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">循环流化床(</span><span lang="EN-US"><font face="Times New Roman">CFB</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">)锅炉过程变量的强交互作用和床温控制对象的逆向响应特性,使得常规控制策略难以满足其控制要求。结合上海石化热电总厂</span><span lang="EN-US" style="FONT-FAMILY: 宋体;">2</span><span style="FONT-FAMILY: 宋体;">×</span><span lang="EN-US"><font face="Times New Roman">310t/h CFB</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">机组上实施的先进控制系统,描述</span><span lang="EN-US"><font face="Times New Roman">CFB</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">锅炉主要控制对象的动态耦合关系、床温控制对象的逆向响应等控制特性,剖析该系统中主压力控制、锅炉负荷经济分配、燃烧控制、温度控制组件的输入、输出和控制原理。采用基于</span><span lang="EN-US"><font face="Times New Roman">Kalman</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">滤波的软测量技术,建立</span><span lang="EN-US"><font face="Times New Roman">CFB</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman';">锅炉床料中的燃料量、释放热流量、石灰石量和石灰石消耗率的非线性模型,线性化处理该模型用于燃烧控制中,从而达到通过调节一、二次风量和燃料量,同时控制床温、氧量、床料中的燃料量和热流量的控制目的。借助详尽的数据图表对先进控制系统的投运过程作详细描述,试验数据表明先进控制系统投入后,无论是稳态工况下的被控参数标准差还是负荷扰动工况下的被控参数变化幅度均达到理想的控制水准。</span><span lang="EN-US" style="FONT-SIZE: 11pt; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 楷体_GB2312;"><p></p></span></strong></p><p class="5" style="MARGIN: 6pt 0cm 10pt;"><strong><font size="2"><span style="FONT-FAMILY: 黑体; mso-ascii-font-family: 宋体;">关键词:</span><span lang="EN-US" style="mso-fareast-font-family: 宋体;"><a href="http://www.eptchina.cn/html/meterial/"><font face="宋体"><span lang="EN-US"><span lang="EN-US">循环流化床机组<span style="mso-spacerun: yes;"> </span></span></span><span lang="EN-US"><span lang="EN-US">先进控制<span style="mso-spacerun: yes;"> </span></span></span><span lang="EN-US"><span lang="EN-US">燃烧控制</span></span></font></a></span></font></strong></p> |