燃?xì)庑袠I(yè)培訓(xùn)：燃?xì)夤艿婪栏細(xì)夤艿婪栏瘜?/title> <script type="text/javascript" src="js/js.js"></script> <link href="css/Minner.css" rel="stylesheet" type="text/css" /> <link href="css/Mcommon.css" rel="stylesheet" type="text/css" /> <link href="/css/product.css" type="text/css" rel="stylesheet" /> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/Mfunctions.js"></script> <script type="text/javascript" src="images/iepng/iepngfix_tilebg.js"></script> <script type="text/javascript"> window.onerror=function(){return true;} </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.hzzrcy.com/">国产精品免费久久久久影院小说,精品国产不卡在线电影,精品综合久久久久久99,综合网伊人,欧美性色黄,国产成人精品999在线观看,精品一区二区三区免费视频</a></h1><div id="hbxfb" class="pl_css_ganrao" style="display: none;"><tt 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id="flfjrv5b3" class="title"><h3 style=" border-bottom:dotted 1px #999999; padding-bottom:8px;">燃?xì)庑袠I(yè)培訓(xùn)：燃?xì)夤艿婪栏細(xì)夤艿婪栏瘜?/h3></div> <div id="flfjrv5b3" class="infos">[日期：2023-10-08] 來(lái)源：云南技能考試網(wǎng) 作者：云南技能考試網(wǎng) 閱讀：359次</div> <div id="flfjrv5b3" class="maincontent clearfix"> <div style="font-family:'Microsoft Yahei', Arial, Helvetica, sans-serif;font-size:14px;"><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">一、燃?xì)夤艿婪栏瘜拥幕疽笈c規(guī)定</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(一)防腐層性能的基本要求</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">根據(jù)目前的技術(shù)標(biāo)準(zhǔn)規(guī)定，新建管道都應(yīng)有防腐層，防腐層又可根據(jù)其結(jié)構(gòu)、厚度的不同也分為普通、加強(qiáng)和特加強(qiáng)三個(gè)級(jí)別。對(duì)防腐層性能的基本要</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">求是：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)與金屬有良好的黏結(jié)性。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)電絕緣性能好，有足夠的電氣強(qiáng)度(擊穿電壓)和電阻率。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)有良好的防水性及化學(xué)穩(wěn)定性，即防腐層長(zhǎng)期浸入電解質(zhì)溶液中，不發(fā)</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">生化學(xué)分解而失效或產(chǎn)生導(dǎo)致腐蝕管道的物質(zhì)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)具有足夠的機(jī)械強(qiáng)度及韌度，即防腐層不會(huì)因施工過(guò)程中的碰撞或敷詩(shī)</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">后受到不均衡的土壤壓力而損壞。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(5)具有耐熱和抗低溫脆性，即防腐層在管道運(yùn)行溫度范圍內(nèi)和施工過(guò)程中</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">不因溫度過(guò)高而軟化，也不會(huì)因溫度過(guò)低而脆裂。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(6)耐陰極剝離性能好，能抵抗陰極析出的氫對(duì)防腐層的破壞。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(7)抗微生物腐蝕。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">(8)破壞后易修復(fù)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(9)材料價(jià)廉，便于施工。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">目前，我國(guó)埋地油氣管道常用的防腐層材料主要有石油瀝青、煤焦油瓷漆聚乙烯膠黏帶、溶結(jié)環(huán)氧粉末、聚乙烯夾克、環(huán)氧煤瀝青、改性瀝青熱纏帶及液態(tài)</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">環(huán)氧涂料等。瀝青防腐層所用玻璃布的寬度應(yīng)根據(jù)鋼管直徑選取。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(二)防腐層的一般規(guī)定</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">新建管道除經(jīng)充分調(diào)查表明不需要防腐層外，一般均做外防腐層，且防腐層電阻率不應(yīng)小于10*Ω·m2。埋地管道的外防腐層一般分為普通、加強(qiáng)和特加強(qiáng)三個(gè)級(jí)別。在確定防腐層種類和等級(jí)時(shí)，應(yīng)根據(jù)土壤的腐蝕性和環(huán)境因素而定，同時(shí)應(yīng)考慮陰極保護(hù)的因素。場(chǎng)、站、庫(kù)內(nèi)埋地管道及穿越鐵路、公路、江河、湖泊的管道，均采用加強(qiáng)級(jí)防腐。埋地管道防腐層質(zhì)量評(píng)價(jià)通常使用絕緣電阻</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">指標(biāo)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">防腐層的補(bǔ)口補(bǔ)傷材料應(yīng)與主體防腐材料有良好的黏結(jié)性。補(bǔ)口、補(bǔ)傷后應(yīng)達(dá)到主體防腐層的各項(xiàng)性能指標(biāo)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">對(duì)于采用內(nèi)外防腐的管道，根據(jù)所采用防腐材料的要求，必須對(duì)被保護(hù)金屬首先進(jìn)行相應(yīng)的表面處理。鋼管的質(zhì)量應(yīng)符合國(guó)家有關(guān)標(biāo)準(zhǔn)的要求。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(三)鋼管防腐層補(bǔ)傷的要求</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">補(bǔ)傷處的防腐保溫層等級(jí)及質(zhì)量應(yīng)不低于成品防腐保溫管的防腐保溫等級(jí)及質(zhì)量。當(dāng)聚乙烯防護(hù)層有損傷，且損傷深度大于1/10但小于1/3壁厚時(shí)，應(yīng)采用熱熔修補(bǔ)棒修補(bǔ)。防護(hù)層有破口、漏點(diǎn)或深度大于防護(hù)層厚度1/3的劃傷等缺</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">陷時(shí)，應(yīng)按下列要求補(bǔ)傷：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)除去補(bǔ)傷處的泥土、水分、油污等雜物，用木銼將傷處的防護(hù)層修平、GBC005鋼管防腐</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">打毛。層補(bǔ)傷的要求</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)補(bǔ)口帶剪成需要長(zhǎng)度，并大于補(bǔ)口或劃傷處100mm。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)補(bǔ)傷后，接口周圍應(yīng)用少量膠均勻溢出。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">保溫層損傷深度大于10mm時(shí)，應(yīng)將損傷處修整平齊，并應(yīng)按標(biāo)準(zhǔn)要求修補(bǔ)好保溫層。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(四)鋼管防腐層補(bǔ)口的要求</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">補(bǔ)口防腐前必須將焊口兩側(cè)直管段鐵銹全部清除，呈現(xiàn)金屬本色，找出防腐接槎，用管道防腐材料做補(bǔ)口處理。然后用電火花檢漏儀檢查，出現(xiàn)擊穿針孔</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">時(shí)，應(yīng)做加強(qiáng)防腐并做好記錄。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">補(bǔ)口處的防腐保溫層等級(jí)及質(zhì)量應(yīng)不低于成品防腐保溫管的防腐保溫等級(jí)及質(zhì)量。補(bǔ)口前，必須對(duì)補(bǔ)口部位的鋼管表面進(jìn)行處理，表面處理質(zhì)量應(yīng)達(dá)到現(xiàn)</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">行相關(guān)國(guó)家標(biāo)準(zhǔn)的要求，并應(yīng)符合國(guó)家現(xiàn)行有關(guān)標(biāo)準(zhǔn)中的補(bǔ)口材料要求。防腐</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">保溫層補(bǔ)口應(yīng)采用防腐層補(bǔ)口一保溫層補(bǔ)口一防護(hù)層補(bǔ)口的程序。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">1.防腐層補(bǔ)口的規(guī)定</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">防腐層補(bǔ)口應(yīng)符合下列規(guī)定：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)當(dāng)介質(zhì)溫度低于70℃時(shí)，補(bǔ)口防腐層宜采用輻射交聯(lián)聚乙烯熱收縮帶或</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">聚乙烯膠粘帶。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">①補(bǔ)口帶的規(guī)格必須與管徑相配套。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">②鋼管與防水帽必須干燥，無(wú)油污、泥土、鐵銹等雜物。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">③除去防水帽的飛邊，用木銼將防水帽打毛。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">④補(bǔ)口帶與防水帽搭接長(zhǎng)度應(yīng)不小于40mm。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">⑤補(bǔ)口帶周向搭接必須在管道頂部。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)當(dāng)介質(zhì)溫度高于70℃時(shí)，補(bǔ)口防腐層宜采用防腐涂料。補(bǔ)口防腐層應(yīng)覆</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">蓋管道原預(yù)留的防腐層。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">2.保溫層補(bǔ)口的規(guī)定</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">保溫層補(bǔ)口可采用模具現(xiàn)場(chǎng)發(fā)泡或預(yù)制保溫瓦塊捆扎方式。當(dāng)采用模具現(xiàn)場(chǎng)發(fā)泡方式時(shí)應(yīng)符合下列規(guī)定：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)補(bǔ)口模具的內(nèi)徑應(yīng)與防水帽外徑尺寸相同。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)模具必須固緊在端部防水帽處，其搭接長(zhǎng)度不應(yīng)小于100mm,澆口應(yīng)向</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">上，并應(yīng)保證搭接處嚴(yán)密。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)環(huán)境溫度低于5℃時(shí)，模具、管道和泡沫塑料原料應(yīng)預(yù)熱后再進(jìn)行發(fā)泡。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">3.聚乙烯防護(hù)層補(bǔ)口的規(guī)定</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">聚乙烯防護(hù)層補(bǔ)口應(yīng)采用輻射交聯(lián)熱收縮補(bǔ)口套(或補(bǔ)口帶),補(bǔ)口套(或補(bǔ)</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">口帶)的規(guī)格應(yīng)與防護(hù)層外徑相配套，補(bǔ)口套(或補(bǔ)口帶)與防護(hù)層搭接長(zhǎng)度應(yīng)不小于100mm。采用“管中管”工藝生產(chǎn)的保溫管補(bǔ)口宜采用電熱熔套袖，并應(yīng)用</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">電熔焊接技術(shù)加熱安裝。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">以熱收縮套(或帶)為例，管道防腐補(bǔ)口的一般步驟如下：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)對(duì)管表面進(jìn)行處理，一般采用噴砂除銹的方法。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)對(duì)鋼管進(jìn)行預(yù)熱，預(yù)熱溫度應(yīng)符合標(biāo)準(zhǔn)和廠家的技術(shù)要求，整個(gè)管口的</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">預(yù)熱溫度應(yīng)均勻一致。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)將熱收縮套(或帶)放在管口的中央，兩側(cè)與管道上原有防腐層的搭接寬</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">度基本相等。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)用火焰從中間沿環(huán)向均勻加熱，使中間部位先收縮，然后再往兩邊均勻</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">加熱。用輥?zhàn)幽雺簲D出空氣，直至端部有膠溢出。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(5)一側(cè)加熱收縮完成后，再用相同的方法加熱另一側(cè)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">二、燃?xì)夤艿婪栏膸追N情況</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(一)防腐死角的處理方法</span></strong></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">防腐死角是指受作業(yè)空間及環(huán)境限制，無(wú)法進(jìn)行正常防腐處理的部位。一</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">般采用以下步驟處理：</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)利用金屬毛刷或電動(dòng)毛刷清除需防腐部位的表面的銹蝕、污物及油漬。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)在需防腐的部位涂刷兩遍樟丹，作為防腐底漆。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)涂刷兩遍保養(yǎng)瀝青，作為防腐面漆(注意與正常防腐部位的搭接，不得有</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">漏涂部位)。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)有條件的可砌筑防護(hù)井，將防腐死角做保護(hù)處理。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">(二)鋼管防腐的補(bǔ)口、膠黏、冷纏</span></strong><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">1.鋼管防腐層補(bǔ)口</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)檢查工具設(shè)備，包括液化石油氣鋼瓶、液化氣噴火槍、電動(dòng)金屬毛刷等。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)管道除銹：用電動(dòng)金屬毛刷對(duì)管道表面除銹；用砂紙和清潔布清潔管件</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">表面。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)處理搭接部位：用木銼對(duì)搭接部位原防腐層打磨(寬度>10cm,須起毛</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">邊);預(yù)熱原防腐層搭接部位。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)防腐操作：預(yù)熱除濕管件；用液化氣噴火槍加熱纏繞熱縮帶，邊加熱邊纏</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">繞，纏繞方向由左到右或由下到上；用壓輥滾動(dòng)排除氣泡，保證結(jié)合緊密。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(5)質(zhì)量評(píng)定：防腐層與原防腐層搭接10cm以上；新防腐層覆壓寬度為1/2</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">帶寬；防腐層平整。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">2.用聚乙烯膠黏帶防腐</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)檢查工具設(shè)備，包括液化石油氣鋼瓶、液化氣噴火槍、電動(dòng)金屬毛刷等。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)管道除銹：用電動(dòng)金屬毛刷對(duì)管道表面除銹；用砂紙和清潔布清潔管件</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">表面。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)纏繞聚乙烯膠黏帶：先預(yù)熱，然后邊纏繞邊加熱；從左到右均勻纏繞防腐</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">膠帶，無(wú)空鼓，無(wú)氣泡；層與層搭接均勻，搭接寬度不小于帶寬的1/2。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)質(zhì)量評(píng)定：防腐層與原防腐層搭接10cm以上；新防腐層覆壓寬度為1/2</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">帶寬；防腐層平整。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">3.冷纏帶維修防腐層</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(1)檢查工具設(shè)備，包括液化石油氣鋼瓶、液化氣噴火槍、電動(dòng)金屬毛刷等。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(2)管道除銹：用電動(dòng)金屬毛刷對(duì)管道表面除銹；用砂紙和清潔布清潔管件</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">表面。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(3)刷防腐漆：在清潔除銹后的管道上及搭接部位，分別用刷子涂刷防腐漆。</span></p><p style="font-size: medium; white-space: normal; margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;">(4)從左到右均勻纏繞冷纏帶，無(wú)空鼓，無(wú)氣泡；層與層搭接均勻，搭接寬度</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">不小于帶寬的1/2。</span></p><p><br/></p></div> </div> <div id="flfjrv5b3" class="prenext"> <ul><li><div id="flfjrv5b3" class=prevNews><a href="./show.asp?id=16585" >上一篇：燃?xì)夤艿婪栏細(xì)夤艿婪栏瘜訖z測(cè)及評(píng)價(jià)</a></DIV><div id="flfjrv5b3" class=nextNews><a href="./show.asp?id=16558" >下一篇：礦山作業(yè)人員培訓(xùn)：井下導(dǎo)線測(cè)量步驟詳細(xì)</a></DIV></li></ul> </div> <div style="font-size:14px; padding-bottom:5px;">本文網(wǎng)址：<a href="/m/show.asp?id=16578" 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