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<span> <div class="bdsharebuttonbox" style="float:right;"> <a href="#" class="bds_more" data-cmd="more"></a> <a title="分享到QQ空間" href="#" class="bds_qzone" data-cmd="qzone"></a> <a title="分享到新浪微博" href="#" class="bds_tsina" data-cmd="tsina"></a> <a title="分享到騰訊微博" href="#" class="bds_tqq" data-cmd="tqq"></a> <a title="分享到人人網(wǎng)" href="#" class="bds_renren" data-cmd="renren"></a> <a title="分享到微信" href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdUrl":'http://www.hke123.cn/article/show/sid/697/id/466.html',"bdStyle":"0","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> </span> </div> <ul style=" margin:10px 0px;"> </ul> <div id="6q7iqyvaz" class="text editor">　　所謂鍋爐的三大安全附件指的是安全閥、壓力表和水位表。<br /> 　　安全閥的作用是當(dāng)余熱鍋爐內(nèi)蒸汽壓力超過(guò)允許值時(shí)，安全閥自動(dòng)開(kāi)放，向外排汽。當(dāng)壓力降到規(guī)定值時(shí)自動(dòng)關(guān)閉，防止余熱鍋爐因超壓而發(fā)生爆炸事故。<br /> 　　每臺(tái)鍋爐至少應(yīng)當(dāng)裝設(shè)兩個(gè)安全閥（包括鍋筒和過(guò)熱器安全閥）。而對(duì)于額定蒸發(fā)量≤0.5t/h的蒸汽鍋爐、額定蒸發(fā)量＜4t/h且裝設(shè)有可靠的超壓聯(lián)鎖保護(hù)裝置的蒸汽鍋爐、額定熱功率≤2.8MW的熱水鍋爐則可以只裝設(shè)一個(gè)安全閥。<br /> 　　在用鍋爐的安全閥每年至少校驗(yàn)一次，校驗(yàn)一般在鍋爐的運(yùn)行狀態(tài)下進(jìn)行，如果現(xiàn)場(chǎng)校驗(yàn)有困難或者對(duì)安全閥修理后，可以在安全閥校驗(yàn)臺(tái)上進(jìn)行。鍋爐運(yùn)行中安全閥不允許隨便解列和任意提高安全閥的整定壓力或者使安全閥失效。<br /> 　　壓力表是用來(lái)測(cè)量余熱鍋爐內(nèi)蒸汽壓力大小的儀表，司爐工人通過(guò)它來(lái)監(jiān)視余熱鍋爐內(nèi)蒸汽壓力的變化。壓力表安裝前應(yīng)當(dāng)進(jìn)行校驗(yàn)，在刻度盤上應(yīng)當(dāng)劃出指示工作壓力的紅線，注明下次校驗(yàn)日期。壓力表校驗(yàn)后應(yīng)當(dāng)加鉛封。<br /> 　　水位表是用以反映鍋筒內(nèi)水位狀況的直讀儀表，司爐工人通過(guò)它來(lái)監(jiān)視鍋筒水位的變化。位表應(yīng)當(dāng)安裝在便于觀察的地方，水位表距離操作對(duì)面高于6000mm時(shí)，應(yīng)當(dāng)加裝遠(yuǎn)程水位測(cè)量裝置或者水位視頻監(jiān)視系統(tǒng)。<br /> 　　小編：wxy<br /> 　　<br /></div> <div id="6q7iqyvaz" class="page" style="clear:both;"> 上一條：<a href="http://www.hke123.cn/news/dongtai/show467.html">余熱鍋爐的汽水分離設(shè)計(jì)</a><br> 下一條：<a href="http://www.hke123.cn/news/dongtai/show464.html">余熱鍋爐與除塵器的聯(lián)合使用</a><br> </div> <h4 class="related"><span style="font-weight:bold;height:30px;line-height:30px;font-size:13px; color:#fff; padding-left:10px">相關(guān)資料</span></h4> <ul class="related-list"> <li><a target="_blank" title="余熱鍋爐的結(jié)構(gòu)設(shè)計(jì)" href="http://www.hke123.cn/news/dongtai/show439.html">余熱鍋爐的結(jié)構(gòu)設(shè)計(jì)</a></li><li><a target="_blank" title="余熱鍋爐為什么要進(jìn)行排污" href="http://www.hke123.cn/news/dongtai/show442.html">余熱鍋爐為什么要進(jìn)行排污</a></li><li><a target="_blank" title="鍋爐的啟動(dòng)方式" href="http://www.hke123.cn/news/dongtai/show443.html">鍋爐的啟動(dòng)方式</a></li><li><a target="_blank" title="余熱鍋爐的煮爐目的與操作方法" href="http://www.hke123.cn/news/dongtai/show444.html">余熱鍋爐的煮爐目的與操作方法</a></li><li><a target="_blank" title="如何使用化學(xué)溶液清洗鍋爐" 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