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電熔直接
電熔直接

鋼絲網骨架塑料復合管施工工藝

2020-06-08 15:24:46

鋼絲網骨架塑料復合管施工工藝(yi)

1、鋼絲(si)網骨架塑(su)料復(fu)合管(guan)采用電(dian)(dian)熱(re)熔(rong)連接,即熱(re)塑(su)性塑(su)料在優化(hua)的(de)(de)工(gong)作(zuo)電(dian)(dian)壓、電(dian)(dian)流時間(jian)內熔(rong)化(hua),經冷(leng)卻后(hou),使(shi)復(fu)合管(guan)及管(guan)件(jian)之間(jian)成為(wei)整(zheng)體,電(dian)(dian)熱(re)熔(rong)連接是對關(guan)鍵要素(su)的(de)(de)控(kong)制,也就(jiu)是溫(wen)度(du)和溶(rong)體壓力的(de)(de)控(kong)制,通(tong)過(guo)控(kong)制輸(shu)(shu)入(ru),即優化(hua)的(de)(de)工(gong)作(zuo)電(dian)(dian)壓、電(dian)(dian)流和時間(jian)輸(shu)(shu)入(ru),將溶(rong)體保(bao)持在焊接部位并對溶(rong)體壓力加以控(kong)制,就(jiu)熔(rong)焊過(guo)程(cheng)中(zhong)所需的(de)(de)熔(rong)化(hua)溫(wen)度(du)和熔(rong)焊后(hou)的(de)(de)冷(leng)卻時間(jian)而(er)言,要讓電(dian)(dian)熱(re)熔(rong)焊后(hou),電(dian)(dian)熔(rong)連接頭腔內的(de)(de)管(guan)端口對中(zhong),不(bu)受(shou)外力作(zuo)用,當冷(leng)卻后(hou)才能進行搬運和拆除工(gong)作(zuo)。

2、電(dian)熔(rong)(rong)套筒(tong)與管(guan)材(cai)之(zhi)間配合(he)的(de)均(jun)勻性,意味著管(guan)材(cai)連(lian)接部位(wei)整個圓(yuan)周(zhou)上(shang)的(de)熔(rong)(rong)化溫(wen)度(du)會均(jun)勻提高,并在(zai)相(xiang)同時(shi)間達到所需的(de)熔(rong)(rong)化溫(wen)度(du),鋼絲網骨架塑料復合(he)管(guan)采用長(chang)封口(kou)(kou)連(lian)接,即(ji)在(zai)復合(he)管(guan)上(shang)注塑一個電(dian)熔(rong)(rong)套筒(tong)相(xiang)同的(de)寬(kuan)封口(kou)(kou),連(lian)接時(shi)為錐面與錐面相(xiang)配,具有相(xiang)同的(de)間隙,讓熔(rong)(rong)焊(han)效果好,在(zai)熔(rong)(rong)焊(han)前要打(da)磨熔(rong)(rong)焊(han)面,即(ji)套筒(tong)內(nei)表面及(ji)寬(kuan)封口(kou)(kou)外表面去除氧(yang)化層。

鋼絲網(wang)骨架(jia)塑料(liao)復合管(guan)(guan)(guan)是以鍍(du)銅鋼絲左右纏繞(rao)編織(zhi)形(xing)成的網(wang)狀結構(gou)為(wei)(wei)骨架(jia),以聚乙烯為(wei)(wei)基體(ti)材(cai)料(liao),利用(yong)(yong)改性(xing)聚乙烯---粘接(jie)(jie)(jie)(jie)樹脂,在生產線上通過(guo)連(lian)(lian)續(xu)、分次擠(ji)塑復合而形(xing)成的耐(nai)壓、內外、型化(hua)學建材(cai)。管(guan)(guan)(guan)材(cai)的增強骨架(jia)與(yu)內外層塑料(liao)包(bao)容成為(wei)(wei)一(yi)個整體(ti),內外壁光滑、不結垢、管(guan)(guan)(guan)道(dao)連(lian)(lian)接(jie)(jie)(jie)(jie)采用(yong)(yong)電(dian)熱熔(rong)(rong)(rong)連(lian)(lian)接(jie)(jie)(jie)(jie),連(lian)(lian)接(jie)(jie)(jie)(jie)強度(du)與(yu)管(guan)(guan)(guan)體(ti)本(ben)身一(yi)致。管(guan)(guan)(guan)道(dao)系統本(ben)身之間采用(yong)(yong)電(dian)熱熔(rong)(rong)(rong)管(guan)(guan)(guan)件連(lian)(lian)接(jie)(jie)(jie)(jie)(包(bao)括:電(dian)熔(rong)(rong)(rong)直(zhi)接(jie)(jie)(jie)(jie)、電(dian)熔(rong)(rong)(rong)異徑直(zhi)接(jie)(jie)(jie)(jie)、電(dian)熔(rong)(rong)(rong)90度(du)彎頭(tou)、電(dian)熔(rong)(rong)(rong)45度(du)彎頭(tou)、電(dian)熔(rong)(rong)(rong)正三(san)(san)通、電(dian)熔(rong)(rong)(rong)異徑三(san)(san)通等),管(guan)(guan)(guan)道(dao)與(yu)其它材(cai)質管(guan)(guan)(guan)材(cai)、設備、閥門及其它附屬(shu)單元之間的連(lian)(lian)接(jie)(jie)(jie)(jie)采用(yong)(yong)電(dian)熱熔(rong)(rong)(rong)法蘭管(guan)(guan)(guan)件連(lian)(lian)接(jie)(jie)(jie)(jie)。

鋼(gang)絲網(wang)(wang)骨(gu)架(jia)塑料(聚(ju)乙烯)復(fu)合管(guan)是以纏繞鋼(gang)絲網(wang)(wang)為中間層,內(nei)外層為聚(ju)乙烯塑料阻燃料,采(cai)用熱熔膠粘(zhan)接固定鋼(gang)絲網(wang)(wang),通過(guo)擠出成(cheng)型復(fu)合成(cheng)一(yi)體的管(guan)材。

鋼絲(si)網骨架塑料(聚乙(yi)烯)復合管(guan)的主要(yao)特點有(you)

(1)重量輕,運(yun)輸(shu)、施工方(fang)便。鋼絲網骨架塑(su)料(聚乙(yi)烯(xi))復合(he)管重量只有(you)鋼管的1/5,可輕。搬運(yun),安裝方(fang)便,既可降低勞動(dong)強度(du),又可縮短施工周期,并(bing)且減小(xiao)了管道支架的強度(du),提(ti)高了經濟效益。

(2)使(shi)用(yong)壽(shou)命(ming)(ming)長。鋼絲網(wang)骨架塑(su)料(liao)(聚乙烯)復合管(guan)具有使(shi)用(yong)壽(shou)命(ming)(ming)是鋼管(guan)的4~6倍,克服了鋼管(guan)因腐蝕磨損造(zao)成管(guan)壁薄、壽(shou)命(ming)(ming)縮短的現(xian)象(xiang)。

(3)良好的(de)性(xing)和柔韌(ren)(ren)性(xing)。鋼絲網骨架(jia)塑料(聚乙(yi)烯)復合(he)管(guan),并具(ju)有很(hen)好的(de)柔韌(ren)(ren)性(xing)、不(bu)易斷(duan)裂,可抗擊因井下(xia)地質變化而引起(qi)的(de)管(guan)道移位,在井下(xia)鋪設時也便(bian)于靈活調整。

(4)管(guan)壁(bi)光滑流體(ti)阻力(li)小(xiao)。鋼絲網骨架(jia)塑料(聚乙烯)復合管(guan)內壁(bi)光滑,不附(fu)著水垢,流體(ti)阻力(li)小(xiao),比同管(guan)徑金屬管(guan)道(dao)提高25%左右的輸送能(neng)力(li)。

(5)安裝時(shi)省去(qu)了除銹、等工(gong)序,節省了工(gong)程造價。

(6)承(cheng)壓能力(li)比實壁(bi)聚乙(yi)烯塑料管增(zeng)強,承(cheng)壓能力(li)可(ke)達(da)到(dao)3.5 MPa。

(7)鋼絲網骨架塑料(聚乙(yi)烯(xi))復合管的(de)特點決定了其運輸、施工方面(mian)的(de)要求,煤礦行業供排水(shui)、通風、抽放瓦斯(si)等用途的(de)管道一般(ban)安設在巷道的(de)側壁,通過支架固定,施工方便,便于檢測、維修。

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