[原创]电除尘器灰斗堵灰的严重后果

<font face="黑体" size="4">电除尘器灰斗堵灰的严重后果</font><span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-family: 'mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;;"><font face="黑体" size="4"><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 12pt;"><font face="宋体">近几年以来，由于能源日益紧张，煤质差，灰分高，气力输灰系统故障或输送能力不足，电除尘器灰斗严重积灰引发国内电除尘器多次发生灰斗脱落和坍塌事件。由于电除尘器与气力输灰整体连接，气力输灰的不正常运行，将严重影响电除尘器的安全运行。鉴于情况的严重性特以此方式告知尊敬的用户。<span lang="EN-US">
                                                        <p></p></span></font></span></p><p></p><p></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 12pt;"><font face="宋体">主要是在运行中做好以下的工作：<span lang="EN-US">
                                                        <p></p></span></font></span></p><p></p><p></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: wingdings; mso-bidi-font-family: wingdings; mso-fareast-font-family: wingdings;"><span style="mso-list: ignore;">l<span style="FONT: 7pt ';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt;"><font face="宋体">电除尘器灰斗是过灰装置而不是存灰装置，灰斗积灰到灰斗平面以上时属不正常状态。</font></span></p><span style="FONT-SIZE: 12pt;"><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: wingdings; mso-bidi-font-family: wingdings; mso-fareast-font-family: wingdings;"><span style="mso-list: ignore;">l<span style="FONT: 7pt ';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt;"><font face="宋体">灰斗继续堵灰至电除尘器极板，极线位置时，造成电场短路，影响电气设备的安全运行，同时，损坏电除尘器的内部构件，造成电除尘器极板，极线的变形，严重时将造成不可修复的损坏。</font><span lang="EN-US"><font face="宋体">
                                                        </font><p><font face="宋体"></font></p></span></span></p><p><font face="宋体"></font></p><p><font face="宋体"></font></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: wingdings; mso-bidi-font-family: wingdings; mso-fareast-font-family: wingdings;"><span style="mso-list: ignore;"><font face="宋体">l<span style="FONT: 7pt ';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></span><span style="FONT-SIZE: 12pt;"><font face="宋体">再往上堵灰将造成灰斗脱落及整台电除尘器的坍塌。</font><span lang="EN-US"><font face="宋体">
                                                        </font></span></span></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span style="FONT-SIZE: 12pt;"><span lang="EN-US"><span style="FONT-SIZE: 12pt;">特别需要注意的是：在机组未停运时，电除尘器高压停运后，由于灰的自然沉降，灰斗将继续存灰，灰位还将继续上升。<span lang="EN-US">
                                                                        <p></p></span></span><p></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: wingdings; mso-bidi-font-family: wingdings; mso-fareast-font-family: wingdings;"><span style="mso-list: ignore;">l<span style="FONT: 7pt ';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt;">灰斗积灰造成电除尘器的灰短路，务必立即启动紧急排灰系统，如还不能将灰斗灰位排至正常状态，同时有多个电场发生灰短路，必要时立即停炉排灰。<span lang="EN-US">
                                                                                <p></p></span></span></p><p></p><p></p></span></span></p><p></p><p></p><p class="MsoBodyText" style="MARGIN: 0cm 0cm 0pt 51pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 51.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: wingdings; mso-bidi-font-family: wingdings; mso-fareast-font-family: wingdings;"><span style="mso-list: ignore;">l<span style="FONT: 7pt ';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt;">灰斗积灰造成电除尘器的灰短路，务必立即启动紧急排灰系统，如还不能将灰斗灰位排至正常状态，同时有多个电场发生灰短路，必要时立即停炉排灰。<span lang="EN-US">
                                                        <p></p></span></span></p><p></p><p></p></span></font></span>

<p>谢谢分享</p>