锅炉技术问答

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l2 level1 lfo3; tab-stops: list 21.0pt;"><span lang="EN-US" style="mso-bidi-font-family: 宋体;"><span style="mso-list: Ignore;"><font face="Times New Roman">一、</font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 隶书; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">你主要依据哪些参数及现象进行燃烧调整，其中氧量所反映的数据对燃烧调整起什么作用</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">？</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">答：主要依据以下参数及现象：</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、入炉煤的低位发热量。</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、接代负荷的多少。</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、炉内火焰的光亮度（白色火焰），并且火焰中心不偏斜。</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、炉底温度应保证其流渣畅通，无浮灰、堆灰。白渣、黄渣和析铁。</span><span lang="EN-US"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、高温省煤器入口处的氧量为</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">—</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">％。</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、飞灰可燃物应在</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">—</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">％之间。</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">烟囱排出的烟气应为浅灰色。煤粉在炉内燃烧时，火焰应稳定，不触及四周水冷壁；具有光亮白色火焰，并均匀地充满燃烧室。火焰中心应在炉膛中央，保持在渣池上方</span><span lang="EN-US"><font face="Times New Roman">1.5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">～</span><span lang="EN-US"><font face="Times New Roman">2</font><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="0" unitname="米"><font face="Times New Roman">.0</font><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;"><span lang="EN-US">米</span></span></chmetcnv><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">处。煤粉起燃点距喷口</span><font face="Times New Roman">0.2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">～</span><span lang="EN-US"><font face="Times New Roman">0</font><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".3" unitname="米"><font face="Times New Roman">.3</font><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;"><span lang="EN-US">米</span></span></chmetcnv><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，最远不超过</span><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><font face="Times New Roman">0.5</font><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;"><span lang="EN-US">米</span></span></chmetcnv><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。</span><font face="Times New Roman">7</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、渣面是否清洁、光亮，粒化后的渣为棕黑色半透明玻璃状</span><span lang="EN-US"><font face="Times New Roman">3~<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="6" unitname="mm">6mm</chmetcnv></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">细粒，且粒化水面无异常渣出现。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">因为整个燃烧过程是动态的，所以氧量所反映的数据在整个燃烧中只能起到一个重要的参考作用。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l2 level1 lfo3; tab-stops: list 21.0pt;"><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 隶书; mso-bidi-font-family: 隶书;"><span style="mso-list: Ignore;"><font face="Times New Roman">二、<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 隶书; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">氧量的准确性对燃烧调整的主要影响什么？你认为氧量表不准是否是你无法调整好燃。</span><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 隶书;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 15pt; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">答：氧量的准确性对燃烧调整的影响主要表现在对送入炉内风量大小的影响：</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、当风量大时，其氧量指示增大可分为三种情况：</span><span lang="EN-US"><font face="Times New Roman">a</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、煤粉充分燃烧，火焰是光亮眩目的强光，表示过剩空气较多。</span><span lang="EN-US"><font face="Times New Roman">B</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">熔渣段中的火焰温度低，流渣不畅，火焰是麦黄色。此时，烟囱排出的烟色是浅白色，表示过剩空气太多，应适当减少送入燃烧室的空气量。</span><span lang="EN-US"><font face="Times New Roman">C</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、烟气中有</span><span lang="EN-US"><font face="Times New Roman">CO₂</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">存在，同时烟囱排出的烟气呈黑色，飞灰可燃物增大。这可能是一次风压过大着火不好，二次风又相对减少，风速低，穿透力减弱，结果使煤粉与空气混合不良或燃烧室温度低。则应适当的调整一次风和二次风的比例，以改善燃烧（必要时可调整三次风）。</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、风量不足时，其氧量指示值降低，有</span><span lang="EN-US"><font face="Times New Roman">CO₂</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">存在，火焰呈暗黄色，火焰未端发暗，烟囱或炉膛又有黑烟和黄烟出现，则表示空气不足或局部缺氧，则应适当增加炉内的送风量。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 15pt; mso-line-height-rule: exactly;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">因为氧量表只是燃烧调整中的一个依据，所以氧量表不准不会造成无法调整燃烧，只是有一定影响。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo2; tab-stops: list 21.0pt;"><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 隶书; mso-bidi-font-family: 隶书;"><span style="mso-list: Ignore;"><font face="Times New Roman">三、<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 隶书; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">飞灰可燃物大的主要原因是什么？你认为飞灰可燃物大对锅炉经济运行的影响体体现在哪些方面、有多大？</span><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 隶书;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">答、飞灰可燃物大的主要原因有以下几点：</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">1</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、炉膛卫燃带面积减小，炉膛温度偏低</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">2</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">煤质不稳定</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">3</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、煤粉灰分增大　</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">4</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、煤粉挥发分偏低</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">5</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、热风温度偏低</span><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">
                        </font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。运行</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">控制方面的原因：</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">1</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、煤粉着火距离太远，</span><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">
                        </font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">一次风速偏高导致煤粉着火推迟，</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">火焰中心上移，煤粉在炉内停留时间减少，降低了煤粉的燃烬程度，燃烧不完</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">全的结果，也使飞灰可燃物含量增大。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">2</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、一、二次风配比不当，二次风不能及</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">时、充足送入并与煤粉良好混合，造成局部缺氧或过剩空气量不足，也会导燃</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">烧不完全，使飞灰可燃物含量增大。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">3</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、炉膛火焰中心，由于我厂锅炉燃烧调整</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">手段监视少，又加之运行人员仅有的一、二次风风压表也存在较大误差，</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">
                                <p></p></font></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">所以炉内燃烧经常处于中心偏斜，火焰中心的偏移造成煤粉气流贴墙，从而影</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">响煤粉的燃烬。燃烧器损坏方面的原因：燃烧器喷口损坏后改变了一、二次风</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">进入炉膛时的风速和风向，影响了炉内空气动力场的正常组织，使煤粉中的可</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoDate" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 14pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">燃成分不能迅速充分混合，造成局部缺氧增大了飞灰含碳量。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">飞灰可燃物大对锅炉经济运行的影响体体现在：锅炉飞灰可燃物超标，不仅会</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">增加燃煤消耗量，降低锅炉热效率，而且对锅炉的安全运行构成严重威胁，易</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">带来过热器结焦和烟道二次燃烧、低温腐蚀和磨损等问题，使锅炉运行的安全</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">性和经济性受到影响</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 隶书; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">。</span><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 隶书;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo1; tab-stops: list 21.0pt;"><span lang="EN-US" style="mso-bidi-font-family: 宋体;"><span style="mso-list: Ignore;"><font face="Times New Roman">四、</font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 隶书; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">你通常是如何进行降低飞灰可燃物的调整？</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">答：</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、提高空预器出口热风温度</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;;">。<span lang="EN-US">2</span>、</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">加强燃烧器的维护工作</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，锅炉燃烧器由于工</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">作的环境恶劣性，决定了只有通过加强维护来保证设备的完好率，因此我们利</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">用每次停炉备用的时间对燃烧器进行仔细检查，发现有损坏时及时通知检修处</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">理。</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、加强运行控制调整</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，及时掌握入炉煤种的变化，根据煤质分析报告，</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">相应调整好制粉系统的运行，保证煤粉细度</span><span lang="EN-US"><font face="Times New Roman">R90</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">不超过</span><span lang="EN-US"><font face="Times New Roman">8%</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。</span><span lang="EN-US"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，应经常观察煤</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">粉的着火情况，控制煤粉的着火距离在</span><span lang="EN-US"><font face="Times New Roman">200</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">～</span><span lang="EN-US"><font face="Times New Roman">300 mm</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。根据煤粉着火、回火情</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">况及时调整一次风门的开度。</span><font face="Times New Roman">
                        <span lang="EN-US">5</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，在高低负荷工况时，都应调整好炉内燃烧，</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">调整好一次风、二次风的配比，</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">保证炉膛火焰不偏斜，确保煤粉、空气的良好</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">浑合。</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">，保持炉内较高的温度，使煤粉在炉内充分完全燃烧。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p>

谢谢了,zengzhangzhishi