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聚氨酯保溫管的供熱效應怎樣的
聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)(bao)溫(wen)(wen)直(zhi)埋管(guan)在國(guo)外(wai)(wai)(wai)一些發(fa)(fa)(fa)達國(guo)家已(yi)成(cheng)為(wei)一項(xiang)(xiang)比較(jiao)成(cheng)熟(shu)的(de)(de)(de)(de)(de)先(xian)進技(ji)術。近十幾(ji)(ji)年,我國(guo)供(gong)(gong)熱(re)(re)(re)工(gong)程(cheng)技(ji)術人員通過(guo)消化、吸(xi)(xi)收這(zhe)項(xiang)(xiang)先(xian)進技(ji)術,正推動著(zhu)國(guo)內(nei)管(guan)網(wang)敷(fu)設(she)技(ji)術向更(geng)高(gao)的(de)(de)(de)(de)(de)層(ceng)次發(fa)(fa)(fa)展。十幾(ji)(ji)年來的(de)(de)(de)(de)(de)實踐成(cheng)果充(chong)分證明了(le)(le)(le)(le)聚(ju)(ju)氨(an)(an)酪(lao)(lao)保(bao)(bao)(bao)溫(wen)(wen)直(zhi)埋管(guan)敷(fu)設(she)方式與(yu)傳(chuan)(chuan)統的(de)(de)(de)(de)(de)地溝(gou)(gou)及架(jia)空(kong)(kong)敷(fu)設(she)相比,具(ju)有(you)諸多(duo)(duo)優(you)點。這(zhe)也正是(shi)(shi)聚(ju)(ju)氨(an)(an)酪(lao)(lao)保(bao)(bao)(bao)溫(wen)(wen)直(zhi)埋管(guan)在我國(guo)供(gong)(gong)熱(re)(re)(re)工(gong)程(cheng)上(shang)得(de)以(yi)迅(xun)猛發(fa)(fa)(fa)展的(de)(de)(de)(de)(de)內(nei)在動力。聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)(bao)溫(wen)(wen)直(zhi)埋管(guan)的(de)(de)(de)(de)(de)優(you)點:降低工(gong)程(cheng)造(zao)價。據(ju)有(you)關部門測(ce)算(suan),雙(shuang)管(guan)制(zhi)供(gong)(gong)熱(re)(re)(re)管(guan)道(dao),一般情況下可(ke)以(yi)降低工(gong)程(cheng)造(zao)價的(de)(de)(de)(de)(de)25%(采(cai)用(yong)玻(bo)璃鋼(gang)做(zuo)保(bao)(bao)(bao)護(hu)層(ceng))和(he)10%(采(cai)用(yong)高(gao)密度聚(ju)(ju)乙烯做(zuo)保(bao)(bao)(bao)護(hu)層(ceng))左右。熱(re)(re)(re)損(sun)耗低,節約(yue)能源(yuan)。由于(yu)直(zhi)埋管(guan)采(cai)用(yong)聚(ju)(ju)氨(an)(an)酪(lao)(lao)硬(ying)質(zhi)泡沫塑料(liao)進行保(bao)(bao)(bao)溫(wen)(wen),其(qi)導熱(re)(re)(re)系數(shu)為(wei):λ=0.013—0.03kcal/m·h·oC,比其(qi)他過(guo)去(qu)常用(yong)的(de)(de)(de)(de)(de)管(guan)道(dao)保(bao)(bao)(bao)溫(wen)(wen)材料(liao)低得(de)多(duo)(duo),保(bao)(bao)(bao)溫(wen)(wen)效果提高(gao)4~9倍(bei)。再有(you)其(qi)吸(xi)(xi)水(shui)率很低,約(yue)為(wei)0.2kg/m2。吸(xi)(xi)水(shui)率低的(de)(de)(de)(de)(de)原因(yin)是(shi)(shi)由于(yu)聚(ju)(ju)氨(an)(an)酯(zhi)泡沫的(de)(de)(de)(de)(de)閉孔率高(gao)達92%左右。低導熱(re)(re)(re)系數(shu)和(he)低吸(xi)(xi)水(shui)率,加上(shang)保(bao)(bao)(bao)溫(wen)(wen)層(ceng)和(he)外(wai)(wai)(wai)面防(fang)水(shui)性(xing)能好的(de)(de)(de)(de)(de)高(gao)密度聚(ju)(ju)乙烯或玻(bo)璃鋼(gang)保(bao)(bao)(bao)護(hu)殼,改變了(le)(le)(le)(le)傳(chuan)(chuan)統地溝(gou)(gou)敷(fu)設(she)供(gong)(gong)熱(re)(re)(re)管(guan)道(dao)“穿(chuan)濕棉襖”的(de)(de)(de)(de)(de)狀(zhuang)況,大大減少(shao)了(le)(le)(le)(le)供(gong)(gong)熱(re)(re)(re)管(guan)道(dao)的(de)(de)(de)(de)(de)整體(ti)熱(re)(re)(re)損(sun)耗,熱(re)(re)(re)網(wang)熱(re)(re)(re)損(sun)失為(wei)2%,小于(yu)國(guo)際10%的(de)(de)(de)(de)(de)標準要(yao)求。防(fang)腐(fu),絕緣(yuan)性(xing)能好,使用(yong)壽(shou)命(ming)長。直(zhi)埋保(bao)(bao)(bao)溫(wen)(wen)管(guan)由于(yu)聚(ju)(ju)氨(an)(an)酯(zhi)硬(ying)質(zhi)泡沫保(bao)(bao)(bao)溫(wen)(wen)層(ceng)緊密地粘(zhan)結在鋼(gang)管(guan)外(wai)(wai)(wai)皮(pi),隔絕了(le)(le)(le)(le)空(kong)(kong)氣和(he)水(shui)的(de)(de)(de)(de)(de)滲(shen)入,能起到(dao)良(liang)好的(de)(de)(de)(de)(de)防(fang)腐(fu)作用(yong)。同時它的(de)(de)(de)(de)(de)發(fa)(fa)(fa)泡孔都是(shi)(shi)閉合的(de)(de)(de)(de)(de),吸(xi)(xi)水(shui)性(xing)很小。高(gao)密度聚(ju)(ju)乙烯外(wai)(wai)(wai)殼、玻(bo)璃鋼(gang)外(wai)(wai)(wai)殼均具(ju)有(you)良(liang)好的(de)(de)(de)(de)(de)防(fang)腐(fu)、絕緣(yuan)和(he)機械(xie)性(xing)能。因(yin)此,工(gong)作鋼(gang)管(guan)外(wai)(wai)(wai)皮(pi)很難受到(dao)外(wai)(wai)(wai)界空(kong)(kong)氣和(he)水(shui)的(de)(de)(de)(de)(de)侵蝕。只要(yao)管(guan)道(dao)內(nei)部水(shui)質(zhi)處理好,據(ju)國(guo)外(wai)(wai)(wai)資料(liao)介紹(shao),聚(ju)(ju)氨(an)(an)酪(lao)(lao)保(bao)(bao)(bao)溫(wen)(wen)管(guan)道(dao)的(de)(de)(de)(de)(de)使用(yong)壽(shou)命(ming)可(ke)達50年以(yi)上(shang),比傳(chuan)(chuan)統的(de)(de)(de)(de)(de)地溝(gou)(gou)敷(fu)設(she)、架(jia)空(kong)(kong)敷(fu)設(she)使用(yong)壽(shou)命(ming)高(gao)3~4倍(bei)。
公司聚(ju)(ju)(ju)氨(an)酯(zhi)保(bao)(bao)溫(wen)(wen)材(cai)(cai)料(liao)是一種(zhong)性能(neng)優良的(de)合成材(cai)(cai)料(liao),它具(ju)有(you)(you)比(bi)強度高(gao)(gao)、導熱系(xi)數小等優點,主(zhu)要(yao)用(yong)做保(bao)(bao)溫(wen)(wen)隔熱材(cai)(cai)料(liao),其次為(wei)(wei)結(jie)構材(cai)(cai)料(liao)。聚(ju)(ju)(ju)氨(an)酯(zhi)保(bao)(bao)溫(wen)(wen)材(cai)(cai)料(liao)是目前國(guo)際上性能(neng)最(zui)好的(de)保(bao)(bao)溫(wen)(wen)材(cai)(cai)料(liao)。硬質(zhi)聚(ju)(ju)(ju)氨(an)酯(zhi)具(ju)有(you)(you)質(zhi)量輕、導熱系(xi)數低(di)、耐(nai)(nai)熱性好、耐(nai)(nai)老(lao)化、容易與其它基(ji)材(cai)(cai)黏結(jie)、燃燒不產(chan)生熔(rong)滴等優異(yi)性能(neng),在歐美(mei)國(guo)家(jia)廣(guang)泛用(yong)于(yu)建筑物(wu)的(de)屋頂(ding)、墻體、天花板、地板、門窗等作(zuo)(zuo)為(wei)(wei)保(bao)(bao)溫(wen)(wen)隔熱材(cai)(cai)料(liao)。歐美(mei)等發達國(guo)家(jia)的(de)建筑保(bao)(bao)溫(wen)(wen)材(cai)(cai)料(liao)中約有(you)(you)49%為(wei)(wei)聚(ju)(ju)(ju)氨(an)酯(zhi)材(cai)(cai)料(liao),而(er)在我國(guo)這(zhe)一比(bi)例尚不足10%。聚(ju)(ju)(ju)氨(an)酯(zhi)保(bao)(bao)溫(wen)(wen)材(cai)(cai)料(liao)作(zuo)(zuo)為(wei)(wei)一種(zhong)性能(neng)優異(yi)的(de)高(gao)(gao)分子材(cai)(cai)料(liao),已(yi)成為(wei)(wei)繼聚(ju)(ju)(ju)乙烯(xi)(xi)、聚(ju)(ju)(ju)氯(lv)乙烯(xi)(xi)、聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)、聚(ju)(ju)(ju)苯(ben)乙烯(xi)(xi)之后的(de)第(di)五大(da)塑料(liao),全球總產(chan)量已(yi)超過(guo)1000萬噸/年。近年來我國(guo)聚(ju)(ju)(ju)氨(an)酯(zhi)工業獲(huo)得了長足發展(zhan),在冰箱(xiang)、集裝(zhuang)箱(xiang)、皮革、制(zhi)鞋和紡織等領(ling)域已(yi)獲(huo)得廣(guang)泛應(ying)用(yong);而(er)此次在建筑節能(neng)等領(ling)域的(de)大(da)力推廣(guang),將為(wei)(wei)我國(guo)聚(ju)(ju)(ju)氨(an)酯(zhi)產(chan)業創造(zao)巨大(da)的(de)發展(zhan)空間(jian)。
聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)作為當(dang)今(jin)世界各(ge)節能(neng)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)輸(shu)送與應用(yong)(yong),最(zui)理(li)想(xiang)、最(zui)常用(yong)(yong)、愛(ai)用(yong)(yong)的(de)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)保(bao)(bao)溫(wen)(wen)型材(cai),聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)材(cai)質(zhi)不(bu)同(tong)、規格不(bu)同(tong)、合成不(bu)同(tong),應用(yong)(yong)也略有(you)區別。聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)與其(qi)它管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)保(bao)(bao)暖材(cai)料(liao)最(zui)大(da)的(de)不(bu)同(tong)除了(le)機械性(xing)能(neng)高(gao),保(bao)(bao)溫(wen)(wen)絕熱效(xiao)果好外(wai),最(zui)值(zhi)得一提的(de)就(jiu)是占地面積少,施工(gong)(gong)簡(jian)單(dan)最(zui)快(kuai)捷(jie),提高(gao)施工(gong)(gong)進度的(de)同(tong)時,也節省(sheng)(sheng)了(le)大(da)量人(ren)工(gong)(gong),讓我們著實省(sheng)(sheng)了(le)不(bu)少錢。所以管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)保(bao)(bao)溫(wen)(wen)就(jiu)用(yong)(yong)聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan),經(jing)濟理(li)想(xiang)最(zui)值(zhi)得信(xin)賴!聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)優(you)點: 施工(gong)(gong)快(kuai)捷(jie)方(fang)便: 將保(bao)(bao)溫(wen)(wen)層—聚(ju)氨(an)(an)酯(zhi)(zhi)發泡用(yong)(yong)現(xian)場澆罐或預制成型等方(fang)法敷于鋼(gang)管(guan)(guan)(guan)(guan)(guan)的(de)防腐層外(wai),方(fang)法簡(jian)便,工(gong)(gong)效(xiao)迅捷(jie)。導熱系數(shu)小:聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)殼(ke)的(de)導熱系數(shu)在保(bao)(bao)溫(wen)(wen)材(cai)料(liao)中是最(zui)低的(de),因此(ci)聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)能(neng)使物(wu)料(liao)的(de)熱損失減少到最(zui)低限度。防水、防腐、耐老化,聚(ju)氨(an)(an)酯(zhi)(zhi)直(zhi)(zhi)(zhi)埋(mai)(mai)保(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)應用(yong)(yong)經(jing)濟壽命長(chang)。
質量可靠,性能(neng)(neng)卓(zhuo)越,聚(ju)(ju)(ju)氨(an)酯直埋(mai)保溫(wen)管(guan)應(ying)用泛圍廣(guang):主要用于(yu)室內外各種管(guan)道(dao)(dao),中央空調(diao)管(guan)道(dao)(dao)、化(hua)工(gong)(gong)(gong)、醫藥等(deng)工(gong)(gong)(gong)業(ye)管(guan)道(dao)(dao)的(de)保溫(wen)、保冷。采用高功能(neng)(neng)聚(ju)(ju)(ju)醚多(duo)元醇和多(duo)次甲基(ji)多(duo)苯基(ji)多(duo)異氰酸(suan)酯為主要原(yuan)料,在催(cui)化(hua)劑、發泡(pao)劑、表面活性劑等(deng)作用下,經化(hua)學反(fan)映發泡(pao)而(er)成(cheng)。聚(ju)(ju)(ju)氨(an)酯管(guan)殼具(ju)有容(rong)量輕、強度高、絕熱(re)、隔音、阻燃、耐寒、防腐、不吸水、施工(gong)(gong)(gong)簡便快捷等(deng)優異特點,已成(cheng)為建(jian)筑、運輸、石油(you)、化(hua)工(gong)(gong)(gong)、電力、冷藏等(deng)工(gong)(gong)(gong)業(ye)部門絕熱(re)保溫(wen)、防水堵漏、密(mi)封(feng)等(deng)不可缺(que)少(shao)的(de)材料。聚(ju)(ju)(ju)氨(an)酯直埋(mai)保溫(wen)管(guan)不需要砌筑龐大(da)的(de)地溝(gou),只(zhi)(zhi)需將保溫(wen)管(guan)埋(mai)人(ren)地下,因此大(da)大(da)減(jian)少(shao)了工(gong)(gong)(gong)程(cheng)占地,減(jian)少(shao)土方開挖(wa)量約50%以上,減(jian)少(shao)土建(jian)砌筑和混凝土量90%。同(tong)時,聚(ju)(ju)(ju)氨(an)酯直埋(mai)保溫(wen)管(guan)加工(gong)(gong)(gong)和現場挖(wa)溝(gou)平行進行,只(zhi)(zhi)需現場接頭,可以大(da)幅(fu)度縮短工(gong)(gong)(gong)期。
聚(ju)氨酯(zhi)(zhi)直(zhi)(zhi)埋管的節能(neng)減排(pai)產不(bu)影響(xiang)產品的質(zhi)量(liang)提(ti)高,星(xing)泰研(yan)發制(zhi)造的聚(ju)氨酯(zhi)(zhi)直(zhi)(zhi)埋管節能(neng)減排(pai)而且質(zhi)量(liang)提(ti)高,據了解,繼去年工信部確定了包(bao)括星(xing)泰等8家(jia)直(zhi)(zhi)埋式保(bao)溫 管廠家(jia)企業和產業集聚(ju)區為第一批再制(zhi)造試點單位(wei)之后,發展(zhan)再制(zhi)造事業已經(jing)成為很多企業的共識(shi),部分企業今(jin)年加大(da)投入,積(ji)極爭取新的突破。
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