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國內最新聞資訊報道 記者(李小萌)今日獲悉: TPEP防腐鋼管是一種新型的鋼塑複合管道,由大口徑TPEPfangfugangguanchangjiagenjuzhongguoteshudizhiyaoqiuyanfazhizao,shidisidaidakoujingguandaoxinxingfangfuchanpin,shichangjulishushuiguanxiandezuihaoxuanze,tidailezhiqianyinshuifangfuguandao,shiyongnianxiangengchang,chanpinxingnenggengwending,shiyongnianxiannengdadao50年之久。TPEP防腐鋼管又稱外3PE防腐內熔結環氧粉末複合鋼管,防腐鋼管母材包括螺旋焊管,直縫焊管,無縫鋼管等,鋼管外壁采用纏繞聚乙烯的3層PE結(jie)構(gou)防(fang)腐(fu)技(ji)術(shu),先(xian)在(zai)外(wai)壁(bi)底(di)層(ceng)塗(tu)覆(fu)環(huan)氧(yang)樹(shu)脂(zhi),中(zhong)間(jian)層(ceng)是(shi)膠(jiao)黏(nian)劑(ji),起(qi)粘(zhan)合(he)作(zuo)用(yong),最(zui)後(hou)在(zai)外(wai)層(ceng)緊(jin)密(mi)纏(chan)繞(rao)聚(ju)乙(yi)烯(xi)皮(pi),聚(ju)乙(yi)烯(xi)防(fang)腐(fu)層(ceng)具(ju)有(you)極(ji)高(gao)的(de)密(mi)封(feng)性(xing),良(liang)好(hao)的(de)耐(nai)腐(fu)蝕(shi)和(he)耐(nai)衝(chong)擊(ji)性(xing),PE吸水率低(低於0.01%)。可ke有you效xiao防fang止zhi或huo減jian緩huan在zai運yun輸shu與yu使shi用yong過guo程cheng中zhong發fa生sheng化hua學xue或huo電dian化hua學xue反fan應ying發fa生sheng腐fu蝕shi現xian象xiang的de鋼gang製zhi管guan道dao。根gen據ju我wo國guo統tong計ji數shu據ju,每mei年nian國guo內nei的de鋼gang管guan腐fu蝕shi直zhi接jie經jing濟ji損sun失shi2800多億,當前全球每年因鋼管腐蝕損失高達5000億美元。TPEP防(fang)腐(fu)鋼(gang)管(guan)可(ke)有(you)效(xiao)地(di)防(fang)止(zhi)或(huo)減(jian)緩(huan)腐(fu)蝕(shi),降(jiang)低(di)鋼(gang)管(guan)運(yun)行(xing)成(cheng)本(ben),延(yan)長(chang)鋼(gang)管(guan)的(de)使(shi)用(yong)壽(shou)命(ming)。鋼(gang)管(guan)內(nei)壁(bi)采(cai)用(yong)熱(re)噴(pen)塗(tu)環(huan)氧(yang)粉(fen)末(mo)防(fang)腐(fu)方(fang)式(shi),粉(fen)末(mo)經(jing)中(zhong)頻(pin)的(de)高(gao)溫(wen)加(jia)熱(re)熔(rong)結(jie)後(hou)均(jun)勻(yun)地(di)塗(tu)覆(fu)在(zai)管(guan)體(ti)內(nei)壁(bi)表(biao)麵(mian)上(shang),形(xing)成(cheng)的(de)防(fang)腐(fu)層(ceng)光(guang)滑(hua)亮(liang)潔(jie),無(wu)汙(wu)染(ran),使(shi)用(yong)標(biao)準(zhun)達(da)到(dao)國(guo)家(jia)食(shi)品(pin)級(ji)。TPEP防fang腐fu技ji術shu使shi管guan道dao內nei外wai壁bi都dou達da到dao最zui好hao的de防fang腐fu效xiao果guo,對dui鋼gang管guan主zhu體ti起qi到dao了le最zui好hao的de保bao護hu作zuo用yong,這zhe種zhong形xing式shi的de防fang腐fu處chu理li是shi目mu前qian國guo內nei乃nai至zhi國guo際ji上shang最zui為wei先xian進jin的de鋼gang管guan整zheng體ti防fang腐fu處chu理li技ji術shu。同tong時shi也ye是shi國guo內nei外wai高gao要yao求qiu工gong程cheng項xiang目mu的de最zui優you防fang腐fu處chu理li選xuan擇ze。產chan品pin適shi用yong於yu多duo種zhong條tiao件jian下xia的de管guan道dao輸shu送song工gong程cheng,是shi對dui傳chuan統tong管guan道dao產chan品pin的de一yi次ci革ge命ming,是shi替ti代dai鋼gang筒tong砼tong管guan、球墨鑄鐵管、PE管等傳統產品的最佳選擇。
TPEP防腐鋼管價格較貴但糙率低,在相同流量下所需TPEP鋼管比球墨鑄鐵管口徑小。如工程需要球墨鑄鐵管口徑DN1200mm,每米價格2000元;TPEP鋼管隻需DN1000mm就行,每米價格1800元。且抗水錘能力比球墨鑄鐵管強,在成本方麵節省了大部分資金。TPEP防腐鋼管內壁防腐對飲用水無任何危害。TPEP防腐鋼管壁厚度按埋置方式(溝埋式、上埋式或廊道式),jingjisuanbingcankaoleisigongchengqueding。weifangzhiyouyuwendubianhuahedijibujunyunchenjiangdaozhiguanshenduanliehuochanshengliefengjizaiguanshenyubatizhijianchanshengjizhongshenliu,shejiyaoqiu:①管身應置於較好的地基上,並在管身與地基之間設置混凝土或漿砌石墊座;②切忌將埋管置於壩體填土之上;③沿管線每10~20m設置伸縮縫,縫中設止水;④粘土心牆或斜牆等防滲結構在與管道接合處要適當加厚,管外回填1~2m厚的不透水土料;⑤在管道外側每隔10~20m設置截流環,以增加沿管道表麵的滲徑,防止產生集中滲流。


