管径377*7玻璃钢外护架空聚氨酯保温管

聚(ju)氨(an)酯发泡保温管种类划分；

一(yi)、聚乙烯夹克外套管(guan)

聚(ju)乙烯外套管采用高(gao)密(mi)度聚(ju)乙烯材(cai)料制成，具(ju)有(you)很(hen)高(gao)的(de)机械强度和的(de)耐腐蚀性，它能保护管材(cai)在运输、安装及使用过程中(zhong)不受外界因素引(yin)起的(de)破坏。

二、聚(ju)氨酯(zhi)预制(zhi)保温管

管(guan)材中(zhong)敷(fu)设伴(ban)(ban)热(re)(re)电(dian)(dian)(dian)缆(lan)可(ke)以避免(mian)由于(yu)管(guan)道冻结而影响管(guan)网运行。敷(fu)设伴(ban)(ban)热(re)(re)电(dian)(dian)(dian)缆(lan)的管(guan)材，规格尺寸结构(gou)*与普通保温(wen)(wen)(wen)管(guan)相(xiang)同，特制的伴(ban)(ban)热(re)(re)电(dian)(dian)(dian)缆(lan)紧巾钢管(guan)外壁与之平(ping)行敷(fu)设在管(guan)材中(zhong)，利用点热(re)(re)通过钢管(guan)加热(re)(re)介质。刚(gang)通电(dian)(dian)(dian)瞬间(jian)电(dian)(dian)(dian)缆(lan)发热(re)(re)功(gong)(gong)(gong)率zui大(da)，随(sui)着温(wen)(wen)(wen)度(du)(du)长高(gao),电(dian)(dian)(dian)缆(lan)中(zhong)PTC记(ji)忆材料电(dian)(dian)(dian)阻逐(zhu)渐增(zeng)大(da)，因而工作电(dian)(dian)(dian)流和电(dian)(dian)(dian)热(re)(re)功(gong)(gong)(gong)率也逐(zhu)渐减小(xiao)，直至发热(re)(re)功(gong)(gong)(gong)率补偿系统(tong)的热(re)(re)损失,使系统(tong)温(wen)(wen)(wen)度(du)(du)处于(yu)稳定(ding)状态时(shi)止。当环境温(wen)(wen)(wen)度(du)(du)降低(di)有降低(di)趋势的时(shi)候(hou)，电(dian)(dian)(dian)缆(lan)功(gong)(gong)(gong)率自动增(zeng)大(da)，自动补偿损失，使系统(tong)在新(xin)的温(wen)(wen)(wen)度(du)(du)下处于(yu)平(ping)衡。这种补偿加热(re)(re)方(fang)式是高(gao)效(xiao)节能的。

三、耐高温保温管

适(shi)用(yong)(yong)于(yu)(yu)输(shu)送介质(zhi)(zhi)低于(yu)(yu)180℃的(de)直埋式预(yu)制(zhi)保(bao)(bao)(bao)温(wen)(wen)管(guan)(guan)(guan)。热(re)(re)(re)电联产、高温(wen)(wen)水供(gong)暖(nuan)及蒸汽供(gong)暖(nuan)，都需(xu)要有更高耐温(wen)(wen)要求(qiu)的(de)直埋式保(bao)(bao)(bao)温(wen)(wen)管(guan)(guan)(guan)道(dao),高温(wen)(wen)水用(yong)(yong)于(yu)(yu)集中供(gong)热(re)(re)(re)的(de)优点也日益被供(gong)热(re)(re)(re)行业的(de)同行认可(ke)，为(wei)(wei)(wei)了(le)满足(zu)用(yong)(yong)户输(shu)送高温(wen)(wen)载热(re)(re)(re)介质(zhi)(zhi)的(de)需(xu)要，我们(men)开发(fa)研(yan)制(zhi)了(le)耐高温(wen)(wen)型保(bao)(bao)(bao)温(wen)(wen)管(guan)(guan)(guan)。耐高温(wen)(wen)型管(guan)(guan)(guan)按保(bao)(bao)(bao)温(wen)(wen)材料的(de)不同分为(wei)(wei)(wei)两种(zhong)(zhong)(zhong)：*种(zhong)(zhong)(zhong)采用(yong)(yong)改性(xing)尿(niao)泡(pao)(pao)酸酯硬(ying)(ying)作(zuo)为(wei)(wei)(wei)保(bao)(bao)(bao)温(wen)(wen)层，这(zhei)种(zhong)(zhong)(zhong)硬(ying)(ying)泡(pao)(pao)同聚氨酯硬(ying)(ying)泡(pao)(pao)类似，*封(feng)闭的(de)均匀泡(pao)(pao)孔(kong)和导热(re)(re)(re)系(xi)(xi)数小(xiao)的(de)发(fa)泡(pao)(pao)剂(ji)形(xing)(xing)成(cheng)了(le)这(zhei)种(zhong)(zhong)(zhong)硬(ying)(ying)泡(pao)(pao)的(de)保(bao)(bao)(bao)温(wen)(wen)性(xing)能，导热(re)(re)(re)系(xi)(xi)数小(xiao)于(yu)(yu)0.023W/m.k,抗拉强度(du)大(da)(da)于(yu)(yu)200Kpa,闭孔(kong)率大(da)(da)于(yu)(yu)97%，耐温(wen)(wen)150℃时热(re)(re)(re)失重小(xiao)于(yu)(yu)2%，热(re)(re)(re)变形(xing)(xing)小(xiao)于(yu)(yu)1%，符合(he)ASTM标准，适(shi)合(he)输(shu)送不大(da)(da)于(yu)(yu)150℃的(de)热(re)(re)(re)介质(zhi)(zhi)，这(zhei)种(zhong)(zhong)(zhong)保(bao)(bao)(bao)温(wen)(wen)管(guan)(guan)(guan)按保(bao)(bao)(bao)温(wen)(wen)层厚度(du)也分为(wei)(wei)(wei)两种(zhong)(zhong)(zhong)系(xi)(xi)列规(gui)格与普通(tong)保(bao)(bao)(bao)温(wen)(wen)管(guan)(guan)(guan)相同，可(ke)适(shi)

合不同用户的要求。

四、内层保温(wen)涂料的复合型保温(wen)管

第二(er)种耐高温(wen)(wen)型保(bao)(bao)温(wen)(wen)管(guan)(guan)采用复(fu)合型保(bao)(bao)温(wen)(wen)材(cai)料，其结(jie)构为(wei)紧贴钢管(guan)(guan)的(de)隔热层及(ji)隔热层与聚(ju)乙(yi)烯外套管(guan)(guan)之间的(de)聚(ju)氨酯泡沫保(bao)(bao)温(wen)(wen)层复(fu)合组成。由于(yu)聚(ju)氨酯泡沫成型时能对热层及(ji)外套管(guan)(guan)产生足够的(de)压力，从而保(bao)(bao)证了复(fu)合管(guan)(guan)的(de)整体性，使这(zhei)种复(fu)合式(shi)保(bao)(bao)温(wen)(wen)管(guan)(guan)可以用于(yu)直(zhi)埋敷设(she)，这(zhei)种复(fu)合式(shi)直(zhi)埋保(bao)(bao)温(wen)(wen)管(guan)(guan)耐温(wen)(wen)+300℃。

五、全塑型保温管

全塑(su)型保温管(guan)用聚(ju)氯乙(yi)烯、聚(ju)乙(yi)稀(xi)等(deng)(deng)塑(su)料管(guan)件作为输送(song)介质的内管(guan),可(ke)广泛应用于(yu)石油、化(hua)(hua)工(gong)(gong)(gong)、市政工(gong)(gong)(gong)程、热网工(gong)(gong)(gong)程、集中(zhong)供热和制冷(leng)工(gong)(gong)(gong)程等(deng)(deng)方(fang)面。它(ta)的特点是不结垢、防腐(fu)性强、更换介质方(fang)便(bian)及时(shi)(shi)，在输送(song)低温介质时(shi)(shi)可(ke)不锈(xiu)钢、铜等(deng)(deng)各种金(jin)属管(guan)道。它(ta)的性从化(hua)(hua)工(gong)(gong)(gong)、制药(yao)、日(ri)化(hua)(hua)、食品等(deng)(deng)行业中(zhong)的防腐(fu)工(gong)(gong)(gong)艺(yi)上得到更好的利用，它(ta)*克服了化(hua)(hua)学腐(fu)蚀和电化(hua)(hua)学腐(fu)蚀时(shi)(shi)工(gong)(gong)(gong)艺(yi)管(guan)理(li)的破坏，更好地延长了管(guan)理(li)的寿命。

六、缠绕(rao)型玻璃钢直埋(mai)保温管(guan)

缠绕型玻璃(li)钢外(wai)套保护(hu)层是玻璃(li)纤维增强树(shu)脂缠绕而成，具有很高的机械(xie)强度和的耐腐蚀(shi)性能.它能保护(hu)管材在运输、安(an)装及(ji)使用(yong)过程中不受(shou)外(wai)界因素引起的破坏。

管径377*7玻璃钢外护架空聚氨酯保温管

预(yu)制直(zhi)(zhi)埋(mai)聚(ju)氨酯蒸汽复合保(bao)(bao)温管(guan)自(zi)三十(shi)年代聚(ju)氨酯合成材(cai)料(liao)诞生(sheng)以(yi)来,一(yi)直(zhi)(zhi)作为(wei)一(yi)种的(de)绝热保(bao)(bao)温材(cai)料(liao)而得到迅(xun)速发(fa)展,其应(ying)用范围也越来越广泛,更由于(yu)其施(shi)预(yu)制直(zhi)(zhi)埋(mai)保(bao)(bao)温管(guan)规格,聚(ju)氨酯保(bao)(bao)温管(guan), 聚(ju)氨酯发(fa)泡保(bao)(bao)温钢(gang)管(guan)在管(guan)路(lu)系统中(zhong),弯头(tou)(tou)是改变管(guan)路(lu)方向的(de)管(guan)件(jian)。按角(jiao)度分,有及(ji)三种常用的(de),另外根据工程需(xu)要还(hai)包括等(deng)其他非正常角(jiao)度弯头(tou)(tou)。弯头(tou)(tou)的(de)材(cai)料(liao)有铸铁,不(bu)锈钢(gang),合金钢(gang),可煅铸铁,碳钢(gang),有色(se)金属及(ji)塑(su)料(liao)等(deng)。

聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)温管(guan)(guan)(guan)已成(cheng)(cheng)为一项(xiang)比(bi)较(jiao)成(cheng)(cheng)熟的(de)技术(shu)。近十(shi)几(ji)年(nian)(nian)，供热工(gong)程(cheng)技术(shu)人(ren)员通(tong)过消化(hua)、吸收这(zhei)项(xiang)技术(shu)，正推动着管(guan)(guan)(guan)网敷(fu)(fu)设(she)技术(shu)向(xiang)更(geng)高的(de)层次发(fa)展。十(shi)几(ji)年(nian)(nian)来的(de)实践(jian)成(cheng)(cheng)果充分证明(ming)了聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)温管(guan)(guan)(guan)道敷(fu)(fu)设(she)方式与传统(tong)的(de)地(di)沟及架空敷(fu)(fu)设(she)相比(bi)，具有诸多(duo)优点。聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)温管(guan)(guan)(guan)是由输送(song)介质的(de)钢(gang)管(guan)(guan)(guan)、高密度聚(ju)(ju)乙烯(xi)外套管(guan)(guan)(guan)、以及钢(gang)管(guan)(guan)(guan)和外套管(guan)(guan)(guan)之间的(de)硬质聚(ju)(ju)氨(an)(an)酯(zhi)泡沫保(bao)(bao)温层紧密结合而成(cheng)(cheng)。这(zhei)也正是聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)温直埋管(guan)(guan)(guan)在供热工(gong)程(cheng)上得(de)以迅猛发(fa)展的(de)内(nei)在动力。

随(sui)着我国的供(gong)热(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)道技术(shu)发展迅(xun)猛(meng)，聚(ju)氨(an)(an)酯发泡保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)等(deng)一大批新型的管(guan)(guan)(guan)(guan)(guan)道材料在推(tui)波(bo)助澜(lan)中进入了公众的视(shi)(shi)线。直埋(mai)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)性能良(liang)好，但的生(sheng)(sheng)产(chan)(chan)却有很多，那(nei)选择(ze)就成为(wei)了要问(wen)题(ti)(ti)。那(nei)直埋(mai)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)哪(na)家好呢?直埋(mai)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)广(guang)泛(fan)用于液体(ti)、气(qi)体(ti)的输送管(guan)(guan)(guan)(guan)(guan)网， 化(hua)工(gong)管(guan)(guan)(guan)(guan)(guan)道保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)工(gong)程(cheng)石油、化(hua)工(gong)、集中供(gong)热(re)(re)(re)、空调(diao)通风(feng)管(guan)(guan)(guan)(guan)(guan)道、市政工(gong)程(cheng)等(deng)。的直埋(mai)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)非常重视(shi)(shi)其(qi)产(chan)(chan)品的性能测试(shi)与制造选材，定期进行实(shi)地测试(shi)，不(bu)(bu)合(he)格的产(chan)(chan)品会(hui)(hui)立刻返(fan)厂(chang)调(diao)整，争(zheng)取把(ba)不(bu)(bu)合(he)格率降到。黄(huang)夹克保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)当(dang)外界(jie)气(qi)温(wen)(wen)(wen)(wen)发生(sheng)(sheng)较(jiao)大变化(hua)时(shi)(shi)，供(gong)热(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)道会(hui)(hui)产(chan)(chan)生(sheng)(sheng)热(re)(re)(re)胀(zhang)冷缩现(xian)象(xiang)。如果(guo)供(gong)热(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)道的使用时(shi)(shi)间过长(zhang)，或者是质量存在问(wen)题(ti)(ti)，当(dang)放生(sheng)(sheng)热(re)(re)(re)胀(zhang)冷缩时(shi)(shi)会(hui)(hui)易(yi)断(duan)裂(lie)(lie)。断(duan)裂(lie)(lie)现(xian)象(xiang)比(bi)渗漏现(xian)象(xiang)还(hai)要严重，会(hui)(hui)影响整个供(gong)暖设备的正常运转(zhuan)，引起大面积的失(shi)水现(xian)象(xiang)，导致热(re)(re)(re)力不(bu)(bu)平(ping)衡问(wen)题(ti)(ti)的出现(xian)供(gong)暖用聚(ju)氨(an)(an)酯保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)钢管(guan)(guan)(guan)(guan)(guan)保(bao)(bao)(bao)温(wen)(wen)(wen)(wen)绝热(re)(re)(re)性能好，而且防水、防腐使用寿命长(zhang)，应用更加安全可靠，工(gong)程(cheng)造价也(ye)低廉。