關于鍍鋅鋼管分為冷鍍鋅鋼管和熱鍍鋅鋼管,鍍鋅管被普遍應(ying)用(yong)(yong),除水、氣、油(you)等普通(tong)高(gao)壓流體管(guan)(guan)(guan)線外,還用(yong)(yong)于煤(mei)油(you)工業,特別是遠洋油(you)田的油(you)田油(you)井管(guan)(guan)(guan)道(dao)、管(guan)(guan)(guan)道(dao)、冷凝冷卻(que)器、煤(mei)蒸餾油(you)交換管(guan)(guan)(guan),以及橋管(guan)(guan)(guan)樁、礦井管(guan)(guan)(guan)支持管(guan)(guan)(guan)。鍍鋅鋼(gang)管(guan)(guan)(guan)有熱浸層或鍍鋅層的焊接(jie)鋼(gang)管(guan)(guan)(guan),鍍鋅提高(gao)了鋼(gang)管(guan)(guan)(guan)的耐腐蝕(shi)性,延長了應(ying)用(yong)(yong)壽(shou)命。
人(ren)們常說鍍鋅(xin)鋼管用(yong)于煤氣和取(qu)暖,鍍鋅(xin)鋼管作為一種水(shui)管,應用(yong)幾年后會發現少量(liang)的鐵銹。不但傳染衛生(sheng)潔具(ju),并且(qie)含(han)有細菌生(sheng)長在不光滑的內壁上,鐵銹致使水(shui)體中(zhong)重金屬含(han)量(liang)高(gao),危(wei)害人(ren)類健康。
鍍鋅管廠家帶你了(le)解(jie)鍍鋅(xin)鋼(gang)管全 面知識
熱(re)鍍鋅(xin)管(guan)是將熔(rong)融的(de)(de)金屬與(yu)(yu)鐵(tie)合(he)(he)金層(ceng)(ceng)(ceng)(ceng)(ceng)相融,使基(ji)(ji)體與(yu)(yu)涂(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)互相感化。熱(re)浸鍍鋅(xin)是將鋼管(guan)浸入(ru)酸中(zhong),為了(le)去除鋼管(guan)外(wai)表的(de)(de)氧化鐵(tie),鋼管(guan)酸洗(xi)后,用水溶液氯化銨(an)或氯化鋅(xin)或氯化銨(an)和氯化鋅(xin)的(de)(de)混合(he)(he),而后放入(ru)熱(re)浸鍍槽(cao)中(zhong)。熱(re)鍍鋅(xin)涂(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)勻(yun)稱,附著力強,應(ying)用壽(shou)命長。熱(re)鍍鋅(xin)鋼管(guan)基(ji)(ji)體與(yu)(yu)熔(rong)融的(de)(de)鍍液發生復(fu)雜的(de)(de)物理、化學反應(ying)進而構成(cheng)了(le)布局(ju)致密的(de)(de)耐蝕(shi)鋅(xin)鐵(tie)合(he)(he)金層(ceng)(ceng)(ceng)(ceng)(ceng)。合(he)(he)金層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)純鋅(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)和鋼管(guan)基(ji)(ji)體融 合(he)(he)在一起,所以(yi)它的(de)(de)耐腐蝕(shi)性異常強。
冷(leng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)管是用(yong)電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)的(de)(de)(de),鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)量很少,耐(nai)腐蝕功(gong)能和熱鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)管差異(yi)很大(da)。為了(le)保障品(pin)質,大(da)部分正規的(de)(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)管出產廠家都不應(ying)用(yong)電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(冷(leng)鍍(du)(du)(du)(du))。那些范圍小(xiao)、設置裝備擺設陳腐的(de)(de)(de)小(xiao)企業由于價(jia)錢(qian)相對便宜,會(hui)使用(yong)電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)。冷(leng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)管的(de)(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)層為電鍍(du)(du)(du)(du)層,鋅(xin)(xin)(xin)層與鋼(gang)(gang)管基(ji)體獨立分層。鋅(xin)(xin)(xin)層較薄,簡略附著在鋼(gang)(gang)管上,容(rong)易脫落。所以,其耐(nai)腐蝕性差。新建屋宇,禁止使用(yong)冷(leng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)管作為供水管。