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<span>來(lái)源：興邦</span> <span id="eoaimkcye4" class='m_qrinfo'><a href="http://www.hzspei.com/Mobile/MArticles/mdgdffdyyq.html" title="查看手機(jī)網(wǎng)址">查看手機(jī)網(wǎng)址</a><div id="eoaimkcye4" class='m_qrcode'><em>掃一掃!</em><img src="http://nswcode.nsw88.com/?qc=8dd84307afe274a5&url=http://www.hzspei.com/Mobile/MArticles/mdgdffdyyq.html" alt="埋地管道防腐對(duì)于油氣穩(wěn)定傳輸?shù)闹匾? title="埋地管道防腐對(duì)于油氣穩(wěn)定傳輸?shù)闹匾? /><em>掃一掃!</em></div></span> <span>瀏覽：<span id="cntrHits">-</span></span> <span>發(fā)布日期：2018-10-09 11:00:00【<a href="javascript:;" onclick="ChangeFontSize(this,'16px')">大</a> <a class="cur" href="javascript:;" onclick="ChangeFontSize(this,'14px')">中</a> <a href="javascript:;" onclick="ChangeFontSize(this,'12px')">小</a>】</span> </div> </div> </div> <div class="eoaimkcye4" id="cntrBody"><p style="text-indent: 2em;"> 埋地管道作為石油和天然氣的傳輸載體，是地面工程的重要設(shè)施之一，埋地管道是連接上游資源和下游用戶的紐帶，由于管道長(zhǎng)期埋在地下，隨著時(shí)間的推移，外界土壤特性及地形沉降等因素的影響，管道會(huì)發(fā)生腐蝕、穿孔、泄漏等現(xiàn)象，進(jìn)而給國(guó)家?guī)?lái)嚴(yán)重的損失。所以，<a href="/Article/mdgdffdyyq.html" target="_blank">埋地管道防腐</a>可有效保證油氣的穩(wěn)定性運(yùn)輸。 </p> <p style="text-align: center;"> <img src="/uploadfiles/pictures/news/20200315082932_8038.jpg" title="三PE防腐管 (2)" alt="三PE防腐管 (2)" /> </p> <p style="text-indent: 2em;"> 因?yàn)榄h(huán)境因素的影響，油氣管道受到腐蝕進(jìn)而造成的經(jīng)濟(jì)損失分為直接損失和間接損失，直接損失包括：更換設(shè)備和構(gòu)件費(fèi)、修理費(fèi)和防腐費(fèi)等；間接損失包括：停產(chǎn)損失、腐蝕泄漏引起產(chǎn)品的流失、腐蝕產(chǎn)物積累或腐蝕破損引起的損失，間接損失遠(yuǎn)較直接損失大，且難以估計(jì)。管道腐蝕除了考慮造成的嚴(yán)重經(jīng)濟(jì)損失外，它還會(huì)引起有害物質(zhì)的泄漏，對(duì)環(huán)境造成污染，甚至還會(huì)引起突發(fā)的災(zāi)難事故，危及人身安全。 </p> <p style="text-indent: 2em;"> 3pe防腐涂層技術(shù)是20世紀(jì)80年代歐洲研制成功并開(kāi)始使用的，它是將FBE良好的防腐蝕性能、粘結(jié)性、高抗陰極剝離性和聚烯烴材料的高抗?jié)B性、良好的機(jī)械性能和抗土壤應(yīng)力等性能結(jié)合起來(lái)的防腐蝕結(jié)構(gòu)，一經(jīng)問(wèn)世就在許多工程上得到了應(yīng)用，尤其在歐洲國(guó)家，其應(yīng)用呈不斷上升的趨勢(shì)。三層PE的底層為環(huán)氧涂料，中間層為聚合物膠粘劑，面層為聚乙烯。膠粘劑可采用改性聚烯烴，它含有接枝到聚烯烴碳鍵主鏈上的極性基團(tuán)。這樣，膠粘劑既可與表面未改性的聚烯烴相融，又可利用極性基團(tuán)與環(huán)氧樹(shù)脂固化反應(yīng)。這種組合特點(diǎn)是，三種涂層之間能達(dá)到最佳粘結(jié)強(qiáng)度，而各層的性能和特性使三層涂料得到互補(bǔ)。它的特點(diǎn)在于造價(jià)高，工藝復(fù)雜。 </p> <p style="text-indent: 2em;"> <a href="/" target="_blank">埋地管道防腐</a>層的要求： </p> <p style="text-indent: 2em;"> 1、防腐層應(yīng)具有極佳的密實(shí)度和小的可滲透性，盡可能地將管道的鋼質(zhì)基材同環(huán)境完全隔離開(kāi); </p> <p style="text-indent: 2em;"> 2、防腐層同鋼質(zhì)基材有極好的黏結(jié)性能，能有效抵制腐蝕介質(zhì)或使用環(huán)境產(chǎn)生的外力將其同鋼質(zhì)基材剝離開(kāi); </p> <p style="text-indent: 2em;"> 3、防腐層需要具有一定的韌性，有效防止開(kāi)裂; </p> <p style="text-indent: 2em;"> 4、防腐層要能有效抵抗土壤等產(chǎn)生的應(yīng)力; </p> <p style="text-indent: 2em;"> 5、防腐層同管道的陰極保護(hù)具需要有較好匹配性; </p> <p style="text-indent: 2em;"> 6、防腐層需要便于管道的施工，并且在施工過(guò)程中不易損壞; </p> <p style="text-indent: 2em;"> 7、防腐層必須很好地適應(yīng)管道運(yùn)行所處的環(huán)境溫度。 </p> <p style="text-indent: 2em;"> 對(duì)于輸送天然氣的長(zhǎng)輸管道和集輸管網(wǎng)，<a href="/" target="_blank">管道防腐</a>技術(shù)的采用和施工質(zhì)量直接關(guān)系到管道的安全運(yùn)行和使用壽命。由于管道穿越地區(qū)地形復(fù)雜、土壤性質(zhì)千差萬(wàn)別，埋地鋼質(zhì)管道需要采取不同的外防腐措施。管道外防腐技術(shù)發(fā)展的主要特點(diǎn)體現(xiàn)在防腐材料的高性能、復(fù)合化、使用壽命長(zhǎng)和良好經(jīng)濟(jì)性。廠家咨詢熱線：<b><span style="color:#FF0000;">400-700-1995</span></b>！ </p></div> <div id="eoaimkcye4" class="clear"></div> <div id="eoaimkcye4" class="gduo" id="gduo"> <span>下一篇：<a title="3pe防腐鋼管為什么能夠以質(zhì)量取勝？" href="http://www.hzspei.com/Article/3peffggwsm.html">3pe防腐鋼管為什么能夠以質(zhì)量取勝？</a></span> 上一篇：<a title="PE-RT 預(yù)制保溫管對(duì)接焊接" href="http://www.hzspei.com/Article/pertyzbwgd.html">PE-RT 預(yù)制保溫管對(duì)接焊接</a> </div> </div> <div id="eoaimkcye4" class="n_info_con2"> <h4 class="t04"><b>“</b>推薦閱讀<b>”</b></h4> <div id="eoaimkcye4" class="info_b"> <ul class="p_list_ul"><li><a 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