<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;"><p> </p></span></b></p><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">黄燕北①<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>李宝玉①<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>王凤平②<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>赵<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>欣③<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>宋艳红③<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 105.4pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 10.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">① 哈尔滨汽轮机厂研究所<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>哈尔滨<span lang="EN-US">150046<p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 105.4pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 10.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">② 哈尔滨热电厂<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>哈尔滨<span lang="EN-US">150046<p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 105.4pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 10.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">③ 北安热电厂<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>北<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>安<span lang="EN-US">164000<p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;"><p> </p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 黑体; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 宋体;">【</span><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">摘<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>要</span></b><span style="FONT-FAMILY: 黑体; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 宋体;">】</span><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">通过解决机组冲不到<span lang="EN-US">3000rpm</span>的过程,说明仪表准确的重要性及经验的可贵性。<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 黑体; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 宋体;">【</span><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">关键词</span></b><span style="FONT-FAMILY: 黑体; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 宋体;">】</span><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">初始位置<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>刮研<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>对应的关系<span lang="EN-US">
<p></p></span></span></b></p><p class="MsoNormal" align="center" style="MARGIN: 3.9pt 0cm; LINE-HEIGHT: 20pt; TEXT-ALIGN: center; mso-line-height-rule: exactly; mso-para-margin-top: .25gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .25gd; mso-para-margin-left: 0cm;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 黑体; mso-hansi-font-family: 宋体;">前言<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">鹤岗煤矿自备电厂给哈尔滨汽轮机厂来电报说:贵厂<span lang="EN-US">68#</span>机组升速多次达不到<span lang="EN-US">3000rpm</span>,速派人来解决。次日我们就到电厂,作了两件事。首先了解安装单位及调试所和电厂参加的座谈会,听听他们的意见和分析;第二到现场了解机组的具体情况,当启动高压油泵后,分别观察汽轮机各方面的情况,发现两个明显问题:<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">1.</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">凸轮配汽机构初始位置不对,提前开了<span lang="EN-US">NoI</span>调节伐;<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">2.</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">前轴承箱回油过大(从窥视联管看回油管几乎是满管)说明调节系统有漏油的地方;<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">在联系会上(电厂、 安装单位、调试所、哈尔滨汽轮机厂)提出上述问题,当时调试所认为我们没有什么根据,而冲了几次,没有冲到<span lang="EN-US">3000rpm</span>这是事实,认为是设备问题。我们认为设备没有问题。<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">经实际检查:调节伐确实是提前开了,理由是升速达不到<span lang="EN-US">3000rpm</span>,怀疑气量不够,想增大调节伐的开度达到<span lang="EN-US">3000rpm</span>。打开前轴承箱上盖,发现高压油动机底座与前轴平面接触有大量的油冲出。是因为接触面加了<span lang="EN-US">3~4mm</span>石棉垫被冲坏了所至造成大量的压力油从这里流出。<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 3.9pt 0cm; TEXT-INDENT: 22.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0; mso-para-margin-top: .25gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .25gd; mso-para-margin-left: 0cm;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 黑体; mso-hansi-font-family: 宋体;">Ⅰ分析与处理<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt;">当时我们提出一要恢复凸轮配汽机构的初始位置。这是制造厂家的要求;二是把石棉垫刮掉,将两个接触面研磨刮研好。处理完了之后再次启动机组。当升速至<span lang="EN-US">2600rpm</span>左右,还要升速(因未达到<span lang="EN-US">3000rpm</span>)。而单从油动机行程来看,也开启的差不多了,我们又看主油泵出口压力表已达<span lang="EN-US">1.9MPa</span>,此时我们向调试所同志说,不要再升速了,现在已经快到<span lang="EN-US">3000rpm</span>,是不是数字转速表有问题,请仪表同志查一查,他们指着转速表说只有<span lang="EN-US">2600rpm</span>,又摇了一下同步器,这是我们看主油泵出口已达<span lang="EN-US">2.087MPa</span>。我们马上强迫他们不要再升速了,已经超过<span lang="EN-US">3000rpm</span>,他们说只有<span lang="EN-US">2680rpm</span>,话音刚落,机组转速已达<span lang="EN-US">3146rpm</span>之后马上摇同步器把转速降到<span lang="EN-US">3000rpm</span>。问题得到解决,大家都很高兴。<span lang="EN-US"><p></p></span></span></b></p> |