江蘇(su)金尚達復合管科技(ji)有限公

內襯不銹鋼(gang)復(fu)合鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)中的(de)外層(ceng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是采用(yong)(yong)按(an)“GB/T3091-2001低壓流體輸(shu)(shu)送用(yong)(yong)焊接鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)”生(sheng)(sheng)產(chan)的(de)焊接鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、或按(an)“GB/T8163-1999輸(shu)(shu)送流體用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)”生(sheng)(sheng)產(chan)的(de)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、或按(an)“SY/T5037-2000生(sheng)(sheng)產(chan)的(de)螺旋縫(feng)埋弧焊鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)” 生(sheng)(sheng)產(chan)的(de)螺旋縫(feng)焊管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。輸(shu)(shu)送石油的(de)內襯不銹鋼(gang)復(fu)合鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)外層(ceng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，是按(an)GB/T9711-1997“石油工業輸(shu)(shu)送鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)交貨技(ji)術條件”進行生(sheng)(sheng)產(chan)的(de)。

獨(du).特的清(qing)潔(jie)生(sheng)產(chan)(chan)(chan)鍍鋅管采(cai)用(yong)硫酸(suan)鹽電鍍鋅鐵合(he)金工藝，內(nei)襯(chen)(chen)不(bu)(bu)銹(xiu)鋼(gang)(gang)銷售，在于生(sheng)產(chan)(chan)(chan)線槽(cao)與(yu)槽(cao)間均(jun)穿孔直通(tong)而溶液(ye)無(wu)任何帶出(chu)或溢流。生(sheng)產(chan)(chan)(chan)過(guo)程的介紹(shao)：生(sheng)產(chan)(chan)(chan)過(guo)程各工序由循環(huan)(huan)系統(tong)組成，內(nei)襯(chen)(chen)不(bu)(bu)銹(xiu)鋼(gang)(gang)，各槽(cao)溶液(ye)即酸(suan)堿液(ye)、電鍍液(ye)、出(chu)光與(yu)鈍(dun)化液(ye)等，只循環(huan)(huan)回(hui)用(yong)不(bu)(bu)向(xiang)系統(tong)外滲(shen)漏或排(pai)(pai)放，生(sheng)產(chan)(chan)(chan)線只設5個清(qing)洗槽(cao)，采(cai)用(yong)循環(huan)(huan)回(hui)用(yong)定期排(pai)(pai)放，內(nei)襯(chen)(chen)不(bu)(bu)銹(xiu)鋼(gang)(gang)設備，特別(bie)是鈍(dun)化后不(bu)(bu)清(qing)洗的無(wu)廢水產(chan)(chan)(chan)生(sheng)的生(sheng)產(chan)(chan)(chan)工藝。

特點：① 逐步(bu)加壓成(cheng)形。② 密(mi)(mi)閉長筒(tong)內(nei)各點壓力相同。影響復(fu)合品質的因素(su)：① 外基(ji)管(guan)(guan)(guan)(guan)內(nei)表面不(bu)(bu)規(gui)則，造成(cheng)外基(ji)管(guan)(guan)(guan)(guan)壁厚不(bu)(bu)均勻。由(you)于(yu)在(zai)批量(liang)生(sheng)產(chan)過(guo)程(cheng)中，對密(mi)(mi)閉長筒(tong)內(nei)的液(ye)體(ti)作(zuo)微(wei)量(liang)調(diao)(diao)壓，控制其大壓力則成(cheng)為(wei)生(sheng)產(chan)過(guo)程(cheng)中的“瓶頸(jing)”。由(you)于(yu)液(ye)體(ti)在(zai)微(wei)量(liang)調(diao)(diao)節(jie)時(shi)受調(diao)(diao)節(jie)“滯后特性(xing)”以(yi)及壓力“超調(diao)(diao)特性(xing)”的影響，為(wei)了保證(zheng)外基(ji)管(guan)(guan)(guan)(guan)不(bu)(bu)至(zhi)(zhi)于(yu)產(chan)生(sheng)塑(su)性(xing)變(bian)形，甚至(zhi)(zhi)，內(nei)襯不(bu)(bu)銹鋼設(she)備(bei)安裝，調(diao)(diao)節(jie)時(shi)不(bu)(bu)得不(bu)(bu)降(jiang)低施加的壓力，盡量(liang)避免微(wei)量(liang)調(diao)(diao)節(jie)。致(zhi)使內(nei)襯管(guan)(guan)(guan)(guan)達(da)不(bu)(bu)到充分塑(su)性(xing)變(bian)形—導(dao)致(zhi)雙金屬復(fu)合管(guan)(guan)(guan)(guan)結合力小。通(tong)常(chang)〈0.5Mpa。由(you)于(yu)液(ye)壓成(cheng)形工藝的特點，導(dao)致(zhi)內(nei)襯管(guan)(guan)(guan)(guan)軸向(xiang)方向(xiang)向(xiang)內(nei)收縮(suo)。為(wei)了保證(zheng)管(guan)(guan)(guan)(guan)口(kou)整(zheng)圓，不(bu)(bu)得不(bu)(bu)進行(xing)二次校正。