筹建300MWCFB锅炉（电站）需注意的技术问题

<div class="Section1" style="LAYOUT-GRID:  15.6pt 0pt; mso-layout-grid-char-alt: 0;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><b><span style="FONT-SIZE: 24pt; FONT-FAMILY: 黑体; LETTER-SPACING: 2.7pt; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋体;">筹建<span lang="EN-US">300MWCFB锅炉（电站）<p></p></span></span></b></p><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><b><span style="FONT-SIZE: 24pt; FONT-FAMILY: 黑体; LETTER-SPACING: 2.7pt; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋体;">需注意的技术问题</span></b><b><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 黑体; LETTER-SPACING: 2.7pt; mso-bidi-font-size: 12.0pt;"><p></p></span></b></p><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-FAMILY: 宋体;">&nbsp;<p></p></span></p><p class="1" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%; mso-layout-grid-align: auto; mso-vertical-align-alt: auto;"><span style="FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋体; mso-font-kerning: 1.0pt;"><font size="3">张全胜<span lang="EN-US"><p></p></span></font></span></p><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-FAMILY: 楷体_GB2312;">&nbsp;<p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 23.6pt; mso-char-indent-count: 2.0; mso-char-indent-size: 11.8pt;"><span style="FONT-FAMILY: 黑体; LETTER-SPACING: 0.65pt; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 宋体;">摘<span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp; </span>要：</span></span><span style="COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体;">本文将<span lang="EN-US">ALSTOM 300MW循环流化床锅炉技术特点与国产440级CFB锅炉及系统存在问题和改造经验相结合，谈谈现在准备筹建的1025t/h级 CFB锅炉需注意的一些技术问题，这些问题大多来自大型CFB锅炉的设计、制造、安装及电站系统设计和筹建方决策等方面。这些问题大多可以在电站筹建时加以注意并解决，最终有利于1025t/h级CFB锅炉（电站）的稳定运行。<p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 23.6pt; mso-char-indent-count: 2.0; mso-char-indent-size: 11.8pt;"><span style="FONT-FAMILY: 黑体; LETTER-SPACING: 0.65pt; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 宋体;">关键词：</span><span lang="EN-US" style="FONT-FAMILY: 宋体;">CFB锅炉</span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.65pt; mso-bidi-font-size: 10.0pt;">
                                <span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp;&nbsp;</span><span style="mso-spacerun: yes;">&nbsp;</span></span></span><span style="FONT-FAMILY: 宋体;">筹建<span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>注意<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>技术问题<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;">&nbsp;</span><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 52.5pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: -52.5pt; LINE-HEIGHT: 16pt; mso-line-height-rule: exactly; mso-layout-grid-align: none; mso-char-indent-count: -5.0; mso-char-indent-size: 10.5pt;"><span lang="EN-US" style="FONT-FAMILY: 楷体_GB2312;">&nbsp;<p></p></span></p></div><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br clear="all" style="AGE-BREAK-BEFORE: always; mso-break-type: section-break;"/></span><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 17pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt;"><span style="COLOR: black; FONT-FAMILY: 宋体;">自从<span lang="EN-US">1995年12月国内第一座410t/h高温高压循环流化床（CFB）锅炉示范电站在四川内江高坝发电厂成功投运以来，先后有一百四十余台国产410—450t/h高温高压或440—480t/h超高压再热CFB锅炉在近六十多个发电厂相继</span></span><span style="FONT-FAMILY: 宋体;">订货、<span style="COLOR: black;">安装并有半数投运。</span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">中国成为世界上</span><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">410—480t/h级CFB</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">机组数量最多的国家。</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">我国早期循环流化床锅炉普遍存在的“三高一低三大困惑”问题：<b style="mso-bidi-font-weight: normal;">飞灰含碳量高、厂用电率高、磨损几率高、锅炉热效率低、储煤给煤系统堵塞、风帽磨损漏渣严重、排渣冷渣系统堵塞。</b></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">这些问题的出现，对<span lang="EN-US">CFB炉的用户造成了一定的影响，也给CFB炉的继续推广应用和进一步大型化蒙上了一层阴影。但是，也要看到这些问题的逐步解决，使我们看到了</span></span><span style="COLOR: black; FONT-FAMILY: 宋体;">大型<span lang="EN-US">1025t/h CFB锅炉快速发展的曙光。<span style="DISPLAY: none; mso-hide: all;"><p></p></span></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 17.95pt; TEXT-INDENT: -17.95pt; LINE-HEIGHT: 17pt; mso-outline-level: 1; mso-line-height-rule: exactly; mso-char-indent-count: -1.71; mso-char-indent-size: 10.45pt;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">&nbsp;<p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 17pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt;"><span style="COLOR: black; FONT-FAMILY: 宋体;">本文将<span lang="EN-US">ALSTOM 300MW循环流化床锅炉技术特点与国产440级CFB锅炉及系统存在问题和改造经验相结合，谈谈现在准备筹建的1025t/h级 CFB锅炉需注意的一些技术问题，这些问题大多来自大型电站筹建时的CFB锅炉的设计、制造、安装及电站系统设计和筹建方决策等方面。如加以注意并解决，最终有利于1025t/h级CFB锅炉（电站）投产后的稳定运行。<p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 17pt; mso-line-height-rule: exactly; tab-stops: 36.0pt;"><b><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">1、煤种的确认与必要的试烧试验研究<p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 17pt; mso-line-height-rule: exactly; tab-stops: 36.0pt;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">

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