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大(da)(da)口徑無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)鍍(du)鋅(xin)加工后(hou)(hou)(hou)應(ying)(ying)(ying)先外吹∣質(zhi)量檢驗(quality test)∣鍍(du)鋅(xin)加工廠dn200價格(price)表(biao) 鍍(du)后(hou)(hou)(hou)處理(processing)工序(xu) 鍍(du)后(hou)(hou)(hou)處理(processing)工序(xu)包括：外吹、曳出(chu)(chu)、內(nei)吹、水(shui)(shui)(shui)冷(leng)、檢驗、鈍化(hua)(Inactivation)、打印(yin)。厚(hou)壁(bi)無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)由整塊金屬(shu)制成的(de)(de)(de)，表(biao)面(mian)(mian)上(shang)(shang)(shang)沒有(you)接縫(feng)(feng)(feng)的(de)(de)(de)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，稱為無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。根據生(sheng)產(chan)方法(fa)，無(wu)(wu)(wu)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)(fen)熱軋(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)軋(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)拔管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、擠壓(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等。 1）大(da)(da)口徑厚(hou)壁(bi)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)通過(guo)(guo)外吹環，其上(shang)(shang)(shang)有(you)一排(pai)小孔，通過(guo)(guo)壓(ya)縮(compression)空氣，將(jiang)大(da)(da)口徑厚(hou)壁(bi)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)多(duo)(duo)余(yu)鋅(xin)(zinc)液(ye)(ye)吹去(qu)(qu)，獲得(de)(de)光(guang)潔(jie)外表(biao)。 2）在滿(man)足生(sheng)產(chan)(Produce)節奏下，降低曳出(chu)(chu)速(su)度，可以控制（control)上(shang)(shang)(shang)鋅(xin)(zinc)量，降低鋅(xin)耗(hao)。 3）內(nei)吹可除(chu)去(qu)(qu)大(da)(da)口徑厚(hou)壁(bi)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)表(biao)面(mian)(mian)多(duo)(duo)余(yu)的(de)(de)(de)鋅(xin)液(ye)(ye)，獲得(de)(de)光(guang)潔(jie)的(de)(de)(de)內(nei)表(biao)面(mian)(mian)，被(bei)除(chu)去(qu)(qu)的(de)(de)(de)鋅(xin)液(ye)(ye)形成鋅(xin)粉(fen)，被(bei)回收。 4）水(shui)(shui)(shui)冷(leng)槽的(de)(de)(de)溫度（temperature)控制在80℃，冷(leng)卻(que)(cooling)水(shui)(shui)(shui)用(yong)(yong)(yong)(yong)泵送到(dao)冷(leng)卻(que)塔(The cooling tower)進(jin)行冷(leng)卻(que)后(hou)(hou)(hou)進(jin)行循環（continue)使(shi)用(yong)(yong)(yong)(yong)(use)。無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠家無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)(yong)途(tu)很廣泛。一般用(yong)(yong)(yong)(yong)途(tu)的(de)(de)(de)無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)由普(pu)通的(de)(de)(de)碳素結構(gou)(gou)鋼(gang)(gang)(gang)、低合(he)金結構(gou)(gou)鋼(gang)(gang)(gang)或(huo)合(he)金結構(gou)(gou)鋼(gang)(gang)(gang)軋(ya)(ya)制，產(chan)量多(duo)(duo)，主要用(yong)(yong)(yong)(yong)作輸(shu)送流(liu)體的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道或(huo)結構(gou)(gou)零件。.2、根據用(yong)(yong)(yong)(yong)途(tu)不同分(fen)(fen)三類供(gong)應(ying)(ying)(ying)：a、按(an)化(hua)學(xue)成分(fen)(fen)和機(ji)械性能供(gong)應(ying)(ying)(ying)；b、按(an)機(ji)械性能供(gong)應(ying)(ying)(ying)；c、按(an)水(shui)(shui)(shui)壓(ya)試驗供(gong)應(ying)(ying)(ying)。按(an)a、b類供(gong)應(ying)(ying)(ying)的(de)(de)(de)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，如用(yong)(yong)(yong)(yong)于(yu)承受液(ye)(ye)體壓(ya)力，也要進(jin)行水(shui)(shui)(shui)壓(ya)試驗。3、專門(men)用(yong)(yong)(yong)(yong)途(tu)的(de)(de)(de)無(wu)(wu)(wu)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)鍋(guo)爐(lu)用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、化(hua)工電力用(yong)(yong)(yong)(yong)，地(di)質(zhi)用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)及石油用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等多(duo)(duo)種。 5）水(shui)(shui)(shui)冷(leng)后(hou)(hou)(hou)移出(chu)(chu)水(shui)(shui)(shui)冷(leng)槽，落在檢驗臺架上(shang)(shang)(shang)，檢驗后(hou)(hou)(hou)將(jiang)漏鍍(du)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)放入(ru)廢品(pin)筐(kuang)內(nei)，成品(pin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)送入(ru)輸(shu)出(chu)(chu)輥（gǔn)道。 6）輸(shu)送中經過(guo)(guo)鈍化(hua)(Inactivation)液(ye)(ye)噴淋吹環成品(pin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，使(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)表(biao)面(mian)(mian)鈍化(hua)，經外吹環后(hou)(hou)(hou)，用(yong)(yong)(yong)(yong)壓(ya)縮空氣將(jiang)多(duo)(duo)余(yu)的(de)(de)(de)鈍化(hua)液(ye)(ye)吹除(chu)。厚(hou)壁(bi)無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)照(zhao)斷(duan)面(mian)(mian)形狀(zhuang)(zhuang)，無(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)(fen)圓形和異形兩種，異形管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)方形、橢(tuo)圓形、三角形、六角形、瓜子形、星形、 帶翅(chi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)多(duo)(duo)種復雜形狀(zhuang)(zhuang)。 7)輸(shu)送中經過(guo)(guo)鋪設蒸汽（steam）加熱管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(Heating tube)排(pai)的(de)(de)(de)烘干(gan)(gan)臺架，烤干(gan)(gan)后(hou)(hou)(hou)，進(jin)行打印(yin)包裝(packaging)。