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鍍鋅管的發展史

作者:點擊(ji):95 發布時間:2024-10-09

鍍鋅管

  


熱鍍(du)(du)鋅(xin)管是(shi)使熔(rong)融(rong)金(jin)(jin)屬與鐵基(ji)體(ti)反應而產生(sheng)合(he)金(jin)(jin)層(ceng),從而使基(ji)體(ti)和鍍(du)(du)層(ceng)二者(zhe)相(xiang)結(jie)合(he)。熱鍍(du)(du)鋅(xin)是(shi)先將鋼(gang)管進(jin)行酸洗(xi),為了去除鋼(gang)管表(biao)面的(de)氧化鐵,酸洗(xi)后,通過氯(lv)化銨或氯(lv)化鋅(xin)水溶(rong)液或氯(lv)化銨和氯(lv)化鋅(xin)混合(he)水溶(rong)液槽(cao)(cao)中進(jin)行清洗(xi),然后送入熱浸(jin)鍍(du)(du)槽(cao)(cao)中。熱鍍(du)(du)鋅(xin)具(ju)有鍍(du)(du)層(ceng)均勻,附著力(li)強,使用壽命長等(deng)優點。熱鍍(du)(du)鋅(xin)鋼(gang)管基(ji)體(ti)與熔(rong)融(rong)的(de)鍍(du)(du)液發生(sheng)復雜的(de)物理、化學(xue)反應,形成耐腐(fu)蝕(shi)的(de)結(jie)構緊密的(de)鋅(xin)一(yi)鐵合(he)金(jin)(jin)層(ceng)。合(he)金(jin)(jin)層(ceng)與純鋅(xin)層(ceng)、鋼(gang)管基(ji)體(ti)融(rong)為一(yi)體(ti)。故其耐腐(fu)蝕(shi)能力(li)強。

冷鍍鋅管

冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)管(guan)(guan)(guan)就是(shi)電(dian)(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin),鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)量很少,只有10-50g/m2,其本身的(de)耐腐蝕(shi)性比熱鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)管(guan)(guan)(guan)相(xiang)(xiang)差(cha)(cha)很多。正規(gui)的(de)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)管(guan)(guan)(guan)生產(chan)廠家,為(wei)了保證質量,大多不(bu)采(cai)用(yong)電(dian)(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(冷鍍(du)(du))。只有那些規(gui)模小、設備陳舊的(de)小企(qi)業采(cai)用(yong)電(dian)(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin),當然他們(men)的(de)價格也相(xiang)(xiang)對(dui)便宜一些。目前建(jian)設部已正式下文,淘(tao)汰技術(shu)落后的(de)冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)管(guan)(guan)(guan),今后不(bu)準用(yong)冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)管(guan)(guan)(guan)作(zuo)水、煤氣管(guan)(guan)(guan)。 冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)管(guan)(guan)(guan)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)(ceng)是(shi)電(dian)(dian)鍍(du)(du)層(ceng)(ceng),鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)(ceng)與鋼(gang)管(guan)(guan)(guan)基(ji)體獨立分層(ceng)(ceng)。鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)(ceng)較薄,鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)(ceng)簡單附(fu)著在鋼(gang)管(guan)(guan)(guan)基(ji)體上,容(rong)易脫落。故(gu)其耐腐蝕(shi)性能差(cha)(cha)。在新建(jian)住(zhu)宅中,禁止(zhi)使用(yong)冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)管(guan)(guan)(guan)作(zuo)為(wei)給水管(guan)(guan)(guan)。



 

鍍鋅鋼管的用途

發展歷史

常說的(de)鍍鋅管(guan)(guan)(guan),鍍鋅管(guan)(guan)(guan)的(de)用(yong)(yong)途現在煤氣(qi)、暖氣(qi)用(yong)(yong)的(de)那種鐵(tie)管(guan)(guan)(guan)也是鍍鋅管(guan)(guan)(guan),鍍鋅管(guan)(guan)(guan)作(zuo)為水(shui)管(guan)(guan)(guan),使用(yong)(yong)幾年(nian)后,管(guan)(guan)(guan)內產(chan)生大(da)量銹垢,流出的(de)黃水(shui)不僅污染潔具,而且夾雜著(zhu)不光滑內壁滋生的(de)細(xi)菌,銹蝕造(zao)成水(shui)中重(zhong)金(jin)屬(shu)含量過高,嚴(yan)重(zhong)危害人體的(de)健(jian)康。