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汽机付值值班试题

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1#
华电之声 发表于 2008-4-25 10:40:02 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="mso-fareast-font-family: &quot;Times New Roman&quot;;"><span style="mso-list: Ignore;"><font face="Times New Roman">1.<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">凝汽器真空下降的原因?处理原则?</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 70.45pt; TEXT-INDENT: -52.5pt; mso-para-margin-left: 1.71gd; mso-char-indent-count: -5.0;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">答:原因:</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)凝汽凝汽器循环水中断或减少</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>2</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)轴封汽压力下降</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>3</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)射抽运正常</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 70.45pt; TEXT-INDENT: -31.5pt; mso-para-margin-left: 3.71gd; mso-char-indent-count: -3.0;"><span lang="EN-US"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)凝汽器热井水位过高</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>5</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)凝汽器或真空运行管道漏空气</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 38.95pt; TEXT-INDENT: -21pt; mso-para-margin-left: 1.71gd; mso-char-indent-count: -2.0;"><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-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">处理原则:</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)当凝汽器真空下降</span><span lang="EN-US"><font face="Times New Roman">1Kpa</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">是,启动备用射抽,报告值班长并查明原因,如急剧下降到</span><span lang="EN-US"><font face="Times New Roman">85Kpa</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">时,发出“警报”、“注意”、“减荷”信号。并按真空每下降</span><span lang="EN-US"><font face="Times New Roman">10%</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">减去</span><span lang="EN-US"><font face="Times New Roman">10%</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">的额定负荷,凝汽器真空降至</span><span lang="EN-US"><font face="Times New Roman">60Kpa</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">时,负荷减至零</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span>2</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)凝汽器真空降至</span><span lang="EN-US"><font face="Times New Roman">60Kpa</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">以下,连锁跳机保护应动作停机。如连锁未投,应立即进行不破坏真空紧急停机,并发出“注意”、“急停”信号,切除Ⅰ、Ⅱ级减温减压器及自动投入装置。</span><span lang="EN-US"><font face="Times New Roman"> 3</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)凝汽器真空下降时,因注意低压缸排汽温度升高情况,在带负荷运行中不应超过</span><span lang="EN-US"><font face="Times New Roman">70</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">度(空负荷不应超过</span><span lang="EN-US"><font face="Times New Roman">120</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">度),如低压缸排汽温度达</span><span lang="EN-US"><font face="Times New Roman">70</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">度时,应投入低负荷自动喷水装置,降低低压缸排汽温度</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span>4</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">)当凝汽器真空下降时,检查当时机组有否影响真空下降的操作,如有操作应立即恢复到原来状况。</span></p>
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2#
追风无痕 发表于 2008-4-25 14:50:33 | 只看该作者
终于看完了!看后不回不够意思!回了吧又有嫌疑!!!唉。。。。。。
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