3PE防腐管道設備結構簡(jian)介
防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)對于埋(mai)地管(guan)(guan)(guan)道(dao)的(de)(de)壽(shou)命來說是(shi)(shi)至關重要(yao)的(de)(de),同(tong)樣(yang)材質(zhi)(zhi)的(de)(de)管(guan)(guan)(guan)道(dao),有(you)(you)的(de)(de)埋(mai)在地下幾(ji)(ji)十年而不(bu)腐(fu)(fu)蝕(shi),有(you)(you)的(de)(de)幾(ji)(ji)年就(jiu)(jiu)發(fa)生泄(xie)露。就(jiu)(jiu)是(shi)(shi)因為它們采(cai)用了不(bu)同(tong)的(de)(de)外防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)。聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)三(san)(san)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)結(jie)(jie)構(gou)(gou)防(fang)(fang)護層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)又稱三(san)(san)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)PE,是(shi)(shi)近幾(ji)(ji)年從國外引進的(de)(de)先(xian)進的(de)(de)防(fang)(fang)腐(fu)(fu)技(ji)術。它的(de)(de)全稱為熔結(jie)(jie)環(huan)氧(yang)/擠塑聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)結(jie)(jie)構(gou)(gou)防(fang)(fang)護層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng),結(jie)(jie)構(gou)(gou)由以(yi)(yi)下三(san)(san)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)組成：底層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)為熔結(jie)(jie)環(huan)氧(yang)(60—80μm)；中間層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)為膠(jiao)粘(zhan)(zhan)劑(ji)(ji)(ji)(170—250μm)；面(mian)(mian)(mian)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)為擠塑聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)(約2mm)。防(fang)(fang)護層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)總厚度大于2.2—2.9mm。在三(san)(san)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)結(jie)(jie)構(gou)(gou)中,環(huan)氧(yang)底漆(qi)(qi)的(de)(de)主要(yao)作用是(shi)(shi)：形(xing)成連續(xu)的(de)(de)涂(tu)膜,與(yu)鋼(gang)管(guan)(guan)(guan)表面(mian)(mian)(mian)直接粘(zhan)(zhan)結(jie)(jie),具(ju)有(you)(you)很(hen)好(hao)的(de)(de)耐化(hua)學腐(fu)(fu)蝕(shi)性(xing)(xing)和抗(kang)陰極(ji)剝(bo)離(li)性(xing)(xing)能；與(yu)中間層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)膠(jiao)粘(zhan)(zhan)劑(ji)(ji)(ji)的(de)(de)活性(xing)(xing)基(ji)團(tuan)反應(ying)形(xing)成化(hua)學粘(zhan)(zhan)結(jie)(jie),保證整(zheng)體防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)在較高(gao)溫度下具(ju)有(you)(you)良好(hao)的(de)(de)粘(zhan)(zhan)結(jie)(jie)性(xing)(xing)。中間層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)通常為共(gong)(gong)聚(ju)物(wu)粘(zhan)(zhan)結(jie)(jie)劑(ji)(ji)(ji),其(qi)主要(yao)成分(fen)是(shi)(shi)聚(ju)烯(xi)(xi)烴,目前廣泛采(cai)用的(de)(de)是(shi)(shi)乙(yi)(yi)(yi)(yi)烯(xi)(xi)基(ji)共(gong)(gong)聚(ju)物(wu)膠(jiao)粘(zhan)(zhan)劑(ji)(ji)(ji)。共(gong)(gong)聚(ju)物(wu)膠(jiao)粘(zhan)(zhan)劑(ji)(ji)(ji)的(de)(de)極(ji)性(xing)(xing)部分(fen)官能團(tuan)與(yu)環(huan)氧(yang)底漆(qi)(qi)的(de)(de)環(huan)氧(yang)基(ji)團(tuan)可以(yi)(yi)反應(ying)生成氫鍵或化(hua)學鍵,使(shi)中間層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)底層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)形(xing)成良好(hao)的(de)(de)粘(zhan)(zhan)結(jie)(jie)；而非極(ji)性(xing)(xing)的(de)(de)乙(yi)(yi)(yi)(yi)烯(xi)(xi)部分(fen)與(yu)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)具(ju)有(you)(you)很(hen)好(hao)的(de)(de)親合(he)作用,所以(yi)(yi)中間層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)也(ye)具(ju)有(you)(you)很(hen)好(hao)的(de)(de)粘(zhan)(zhan)結(jie)(jie)性(xing)(xing)能。聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)主要(yao)作用是(shi)(shi)起機械(xie)保護與(yu)防(fang)(fang)腐(fu)(fu)作用,與(yu)傳統的(de)(de)二層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)結(jie)(jie)構(gou)(gou)聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)具(ju)有(you)(you)同(tong)樣(yang)的(de)(de)作用。三(san)(san)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)結(jie)(jie)構(gou)(gou)聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)綜(zong)合(he)了環(huan)氧(yang)涂(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)和擠壓聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)兩種防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)優良性(xing)(xing)質(zhi)(zhi),將環(huan)氧(yang)涂(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)界(jie)面(mian)(mian)(mian)特(te)性(xing)(xing)和耐化(hua)學特(te)性(xing)(xing),與(yu)擠壓聚(ju)乙(yi)(yi)(yi)(yi)烯(xi)(xi)防(fang)(fang)腐(fu)(fu)層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)機械(xie)保護特(te)性(xing)(xing)等優點(dian)結(jie)(jie)合(he)起來,從而顯著改善(shan)了各(ge)自(zi)的(de)(de)性(xing)(xing)能。因此作為埋(mai)地管(guan)(guan)(guan)線的(de)(de)外防(fang)(fang)護層(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)(ceng)是(shi)(shi)非常優越的(de)(de)。
3PE防(fang)(fang)腐設備(bei)是一(yi)種(zhong)主(zhu)要用于對所生產的(de)(de)管道(dao)進行(xing)三(san)層(ceng)(ceng)(ceng)PE防(fang)(fang)腐處理(li)(li)的(de)(de)專業化(hua)設備(bei)。這種(zhong)設備(bei)的(de)(de)工(gong)(gong)作(zuo)程序主(zhu)要為(wei)在(zai)管道(dao)外層(ceng)(ceng)(ceng)涂(tu)上三(san)層(ceng)(ceng)(ceng)防(fang)(fang)腐材料，第一(yi)層(ceng)(ceng)(ceng)為(wei)環氧(yang)粉末，其(qi)涂(tu)層(ceng)(ceng)(ceng)的(de)(de)厚度(du)(du)大(da)于一(yi)百(bai)(bai)微(wei)米(mi)，第二層(ceng)(ceng)(ceng)涂(tu)料為(wei)膠粘劑，這一(yi)層(ceng)(ceng)(ceng)的(de)(de)厚度(du)(du)范圍為(wei)一(yi)百(bai)(bai)七十微(wei)米(mi)至兩(liang)百(bai)(bai)五十微(wei)米(mi)，而第三(san)層(ceng)(ceng)(ceng)的(de)(de)涂(tu)料為(wei)聚乙(yi)烯，其(qi)厚度(du)(du)為(wei)兩(liang)點(dian)五毫米(mi)至三(san)點(dian)其(qi)毫米(mi)。通過使用這三(san)種(zhong)提(ti)料，能夠(gou)使被圖(tu)管道(dao)的(de)(de)外面(mian)形(xing)成非常(chang)可靠(kao)的(de)(de)防(fang)(fang)腐層(ceng)(ceng)(ceng)，能夠(gou)延長管道(dao)的(de)(de)使用時間。這種(zhong)設備(bei)針對這種(zhong)防(fang)(fang)腐工(gong)(gong)藝(yi)進行(xing)先進的(de)(de)工(gong)(gong)藝(yi)處理(li)(li)，具有(you)很(hen)高(gao)的(de)(de)工(gong)(gong)作(zuo)效(xiao)率。
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適(shi)用領(ling)域：三層PE防腐作業線適(shi)用于輸油(you)（氣）、城市(shi)供氣供水、煤礦、農業等領(ling)域。
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