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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3eliujf" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>烏魯木齊管道防腐代理廠家</p><p><span>***更新：</span>2020-05-27 03:35:07</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="e82jaz3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">烏魯木齊市昊業(yè)達(dá)貿(mào)易有限責(zé)任公司銷售</a></p><p><span>聯(lián)系人：</span>劉哲</p><p><span>郵箱: </span></p><p><span>電話: </span>13325555152</p><p><span>傳真: </span>0991_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-6822890</p><p><span>地址: </span>新華凌市場鋼材區(qū)19-2號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="mbi342q" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dn2xeb3" class="box"><p><p style="text-indent:25px">防腐方法涂層防腐管道防腐(圖2)用涂料均勻致密地涂敷在經(jīng)除銹的金屬管道表面上，使其與各種腐蝕性介質(zhì)隔絕，烏魯木齊管道防腐代理廠家，是管道防腐**基本的方法之一。70年代以來，在極地、海洋等嚴(yán)酷環(huán)境中敷設(shè)管道，以及油品加熱輸送而使管道溫度升高等，對涂層性能提出了更多的要求。因此，管道防腐涂層越來越多地采用復(fù)合材料或復(fù)合結(jié)構(gòu)。1、外壁防腐涂層：管道外壁涂層材料種類和使用條件。②內(nèi)壁防腐涂層：為了防止管內(nèi)腐蝕、降低摩擦阻力、提高輸量而涂于管子內(nèi)壁的薄膜。常用的涂料有胺固化環(huán)氧樹脂和聚酰胺環(huán)氧樹脂，涂層厚度為 0.038～0.2毫米。為保證涂層與管壁粘結(jié)牢固，必須對管內(nèi)壁進(jìn)行表面處理。70年代以來趨向于管內(nèi)、外壁涂層選用相同的材料，以便管內(nèi)、外壁的涂敷同時進(jìn)行。③防腐保溫涂層：在中、小口徑的熱輸原油或燃料油的管道上，為了減少管道向土壤散熱，在管道外部加上保溫和防腐的復(fù)合層，烏魯木齊管道防腐代理廠家。常用的保溫材料是硬質(zhì)聚氨脂泡沫塑料，烏魯木齊管道防腐代理廠家，適用溫度為－185～95℃。這種材料質(zhì)地松軟，為提高其強(qiáng)度，在隔熱層外面加敷一層高密度聚乙烯層，形成復(fù)合材料結(jié)構(gòu)，以防止地下水滲入保溫層內(nèi)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊管道防腐代理廠家" src="https://tyunfile.71360.com/UploadFile/wlmuhyd/637260258212460938/6784610.png"></div><p style="text-indent:25px">樹脂類防腐蝕材料1.環(huán)氧樹脂（EP）：指分子中含有兩個以上環(huán)氧基團(tuán)的有機(jī)高分子化合物，是防腐蝕工程中普遍應(yīng)用的合成樹脂。具有優(yōu)良的黏結(jié)性能，較好的耐腐蝕和耐熱性能，固化收縮率低，工藝性能良好的特點(diǎn)2.乙烯基酯樹脂：由甲基丙烯酸或丙烯酸和環(huán)氧樹脂加成反應(yīng)的產(chǎn)物，易溶于苯乙烯（交鏈劑）；工程應(yīng)用的主要有環(huán)氧甲基丙烯酸型、異酸酯改性的環(huán)氧丙烯酸型和酚醛環(huán)氧甲基丙烯酸型3.不飽和聚酯樹脂（UP）：由不飽和二元酸或酸酐、飽和二元酸或酸酐、二元醇進(jìn)行縮聚而成，是制造纖維增強(qiáng)塑料的一種重要樹脂4.呋喃樹脂：是以糠醛為基本原料制成，具有呋喃環(huán)結(jié)構(gòu)的一類熱固型樹脂的統(tǒng)稱，主要包括糠醇樹脂、糠醛樹脂、糠酮樹脂、糠醛-糠醇樹脂、苯酚-糠醛樹脂5.酚醛樹脂：指由酚類化合物和醛類化合物經(jīng)縮聚反應(yīng)制得的合成樹脂，常用的有苯酚甲醛樹脂、甲酚甲醛樹脂、二甲酚甲醛樹脂和苯酚糠醛樹脂等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊管道防腐代理廠家" src="https://tyunfile.71360.com/UploadFile/wlmuhyd/637260258319931641/853338.png"></div><p style="text-indent:25px">環(huán)氧粉末防腐，采用靜電噴涂方式，與同種材料防腐的管體熔結(jié)好，粘接力強(qiáng)，但環(huán)氧粉末防水性較差（吸水率較高，達(dá)到0.83%），給陰極保護(hù)設(shè)計帶來一定的困難?，F(xiàn)場器具要求高，操作難度大，質(zhì)量不易控制。3PE熱縮材料，管道防腐密封性強(qiáng)，機(jī)械強(qiáng)度高，防水性強(qiáng)，質(zhì)量穩(wěn)定，施工方便，適用性好，不污染環(huán)境。PE吸水率低（低于0.01%），同時具備環(huán)氧強(qiáng)度高，PE吸水性低和熱熔膠柔軟性好等，有很高的防腐可靠性，缺點(diǎn)是：與其它補(bǔ)口材料成本相比，費(fèi)用高。PF型、RPC型冷纏帶施工簡便易行，配套的三種定型膠，使PF型環(huán)氧煤瀝青冷纏帶可以在任何環(huán)境、任何季節(jié)、任何溫度條件下施工。冷纏帶和3PE熱縮帶的特點(diǎn)是：適用各種材料主體防腐層管道，而其他方式適用于相同或接近材料的主體防腐層管道。其次隨著發(fā)展有些管道在防腐時同時也需要保溫，石油是很復(fù)雜的混合物，易腐蝕管道，防腐是有必要的，但是成品油管線在防腐的情況下也需要做保溫，在東北和冬季，熱脹冷縮會凍裂管道，影響穩(wěn)定供應(yīng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊管道防腐代理廠家" src="https://tyunfile.71360.com/UploadFile/wlmuhyd/637260258410253906/9490709.png"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/52270.html</p></div></div></div></div></div><div id="8w2sk23" class="page-right twoColRt"><div id="3sgmt8o" class="box01 margin10 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