方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)長(chang)(chang)度一(yi)般是(shi)(shi)(shi)幾米(mi)(mi)(mi)呢？目前方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)在(zai)(zai)進(jin)行(xing)交(jiao)(jiao)(jiao)貨(huo)的(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)候都(dou)(dou)是(shi)(shi)(shi)采(cai)用(yong)散尺(chi)(chi)交(jiao)(jiao)(jiao)貨(huo)一(yi)般長(chang)(chang)度都(dou)(dou)會(hui)在(zai)(zai)6-12米(mi)(mi)(mi)之間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)無(wu)縫(feng)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)定(ding)(ding)尺(chi)(chi)長(chang)(chang)度通(tong)常為(wei)6-12米(mi)(mi)(mi)之間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)；焊接方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)定(ding)(ding)尺(chi)(chi)長(chang)(chang)度為(wei)6-12米(mi)(mi)(mi)之間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，長(chang)(chang)可(ke)(ke)做到21米(mi)(mi)(mi)；鍍(du)鋅方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)通(tong)常交(jiao)(jiao)(jiao)貨(huo)長(chang)(chang)度為(wei)4000mm-12000mm，以(yi)6000mm和(he)12000mm居多，但是(shi)(shi)(shi)很多用(yong)戶(hu)為(wei)了運輸方(fang)(fang)(fang)(fang)便及(ji)將來焊接方(fang)(fang)(fang)(fang)便都(dou)(dou)會(hui)要(yao)求(qiu)定(ding)(ding)尺(chi)(chi)交(jiao)(jiao)(jiao)貨(huo)，目前不管(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)焊接方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)還是(shi)(shi)(shi)無(wu)縫(feng)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)都(dou)(dou)是(shi)(shi)(shi)可(ke)(ke)以(yi)按照(zhao)用(yong)戶(hu)的(de)(de)(de)(de)(de)要(yao)求(qiu)進(jin)行(xing)定(ding)(ding)尺(chi)(chi)交(jiao)(jiao)(jiao)貨(huo)的(de)(de)(de)(de)(de)。 磷(lin)(lin)化(hua)是(shi)(shi)(shi)一(yi)種(zhong)化(hua)學(xue)與電化(hua)學(xue)反應(ying)(ying)形(xing)(xing)成(cheng)磷(lin)(lin)酸(suan)(suan)鹽轉化(hua)膜(mo)的(de)(de)(de)(de)(de)過程(cheng)，所形(xing)(xing)成(cheng)的(de)(de)(de)(de)(de)磷(lin)(lin)酸(suan)(suan)鹽轉化(hua)膜(mo)簡稱為(wei)磷(lin)(lin)化(hua)膜(mo)。它可(ke)(ke)以(yi)發(fa)揮(hui)很大(da)的(de)(de)(de)(de)(de)作用(yong)，可(ke)(ke)提(ti)高方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)防銹(xiu)能(neng)(neng)(neng)力。我們在(zai)(zai)對(dui)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)進(jin)行(xing)磷(lin)(lin)化(hua)處理時(shi)(shi)(shi)(shi)(shi)， 使(shi)溢(yi)流(liu)水(shui)洗，以(yi)保證(zheng)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)充分(fen)(fen)清洗干(gan)凈(jing)，減少(shao)串槽現(xian)象。溢(yi)流(liu)時(shi)(shi)(shi)(shi)(shi)應(ying)(ying)該(gai)從底部進(jin)水(shui)，對(dui)角(jiao)(jiao)線上部開溢(yi)流(liu)孔溢(yi)流(liu)。對(dui)于任(ren)何一(yi)種(zhong)磷(lin)(lin)化(hua)液(ye)(ye)都(dou)(dou)會(hui)或多或少(shao)產生(sheng)(sheng)(sheng)沉(chen)渣(zha)，應(ying)(ying)在(zai)(zai)工(gong)藝(yi)(yi)予設(she)(she)計(ji)時(shi)(shi)(shi)(shi)(shi)注明設(she)(she)有(you)磷(lin)(lin)化(hua)除(chu)渣(zha)裝置。特別(bie)(bie)是(shi)(shi)(shi)對(dui)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)進(jin)行(xing)噴(pen)淋(lin)磷(lin)(lin)化(hua)時(shi)(shi)(shi)(shi)(shi)，除(chu)渣(zha)裝置必(bi)不可(ke)(ke)少(shao)，典型的(de)(de)(de)(de)(de)除(chu)渣(zha)裝置有(you)：斜板(ban)(ban)(ban)沉(chen)淀(dian)器、高位(wei)沉(chen)淀(dian)塔、離心除(chu)渣(zha)器、紙布袋濾(lv)渣(zha)等都(dou)(dou)可(ke)(ke)供選(xuan)擇(ze)。各(ge)個工(gong)序間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)如(ru)(ru)果(guo)太長(chang)(chang)，會(hui)造(zao)成(cheng)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)在(zai)(zai)運行(xing)過程(cheng)中(zhong)二次(ci)生(sheng)(sheng)(sheng)銹(xiu)。特別(bie)(bie)是(shi)(shi)(shi)有(you)酸(suan)(suan)洗工(gong)藝(yi)(yi)時(shi)(shi)(shi)(shi)(shi)，酸(suan)(suan)洗后管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)極易在(zai)(zai)空(kong)氣中(zhong)氧(yang)化(hua)生(sheng)(sheng)(sheng)銹(xiu)泛綠， 設(she)(she)有(you)工(gong)序間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)水(shui)膜(mo)保護，可(ke)(ke)減少(shao)生(sheng)(sheng)(sheng)銹(xiu)。而間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)短，不能(neng)(neng)(neng)完全(quan)有(you)效(xiao)的(de)(de)(de)(de)(de)瀝干(gan)水(shui)分(fen)(fen)，產生(sheng)(sheng)(sheng)串槽現(xian)象，甚至槽液(ye)(ye)遭(zao)到破壞。所以(yi)，在(zai)(zai)考慮方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)工(gong)序間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)(shi)(shi)(shi)，應(ying)(ying)根據情(qing)況選(xuan)擇(ze)一(yi)個恰當的(de)(de)(de)(de)(de)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)隔(ge)(ge)。 雖然對(dui)于槽體加(jia)熱管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)料(liao)的(de)(de)(de)(de)(de)選(xuan)擇(ze)不是(shi)(shi)(shi)工(gong)藝(yi)(yi)設(she)(she)計(ji)的(de)(de)(de)(de)(de)內容，如(ru)(ru)果(guo)不予提(ti)醒，可(ke)(ke)能(neng)(neng)(neng)會(hui)造(zao)成(cheng)設(she)(she)備設(she)(she)計(ji)人員(yuan)的(de)(de)(de)(de)(de)疏忽(hu)。對(dui)于硫(liu)酸(suan)(suan)、鹽酸(suan)(suan)酸(suan)(suan)洗時(shi)(shi)(shi)(shi)(shi)，其槽體材(cai)(cai)料(liao)只能(neng)(neng)(neng)選(xuan)用(yong)玻璃(li)鋼(gang)(gang)、花崗巖(yan)、塑(su)料(liao)，加(jia)熱管(guan)(guan)(guan)(guan)(guan)只能(neng)(neng)(neng)選(xuan)用(yong)鉛(qian)銻合金管(guan)(guan)(guan)(guan)(guan)、陶(tao)瓷管(guan)(guan)(guan)(guan)(guan)，而不能(neng)(neng)(neng)選(xuan)用(yong)不銹(xiu)鋼(gang)(gang)材(cai)(cai)料(liao)。如(ru)(ru)果(guo)是(shi)(shi)(shi)采(cai)用(yong)磷(lin)(lin)酸(suan)(suan)酸(suan)(suan)洗，其槽體及(ji)加(jia)熱管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)料(liao)均可(ke)(ke)選(xuan)用(yong)不銹(xiu)鋼(gang)(gang)材(cai)(cai)料(liao)，當然玻璃(li)鋼(gang)(gang)、塑(su)料(liao)、花崗巖(yan)均可(ke)(ke)。對(dui)于易形(xing)(xing)成(cheng)死(si)角(jiao)(jiao)存水(shui)的(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)，必(bi)須選(xuan)擇(ze)適(shi)當的(de)(de)(de)(de)(de)位(wei)置鉆好工(gong)藝(yi)(yi)孔，保證(zheng)水(shui)能(neng)(neng)(neng)在(zai)(zai)較(jiao)短的(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)內充分(fen)(fen)流(liu)盡。否則會(hui)造(zao)成(cheng)串槽或者要(yao)在(zai)(zai)空(kong)中(zhong)長(chang)(chang)時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)瀝干(gan)，產生(sheng)(sheng)(sheng)二次(ci)生(sheng)(sheng)(sheng)銹(xiu)，影響(xiang)磷(lin)(lin)化(hua)效(xiao)果(guo)。 有(you)時(shi)(shi)(shi)(shi)(shi)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)坯會(hui)出(chu)現(xian)分(fen)(fen)層問題(ti)，從而導致(zhi)探傷不合。要(yao)這一(yi)缺(que)陷，我們可(ke)(ke)以(yi)優化(hua)方(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)板(ban)(ban)(ban)坯的(de)(de)(de)(de)(de)緩冷工(gong)藝(yi)(yi)，主要(yao)針對(dui)堆垛(duo)溫度和(he)堆垛(duo)持續時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)。軋制(zhi)鋼(gang)(gang)板(ban)(ban)(ban)厚(hou)度不大(da)于80mm鋼(gang)(gang)板(ban)(ban)(ban)熱矯直后，在(zai)(zai)冷床停留時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)不得超過5min。厚(hou)度大(da)于80mm鋼(gang)(gang)板(ban)(ban)(ban)可(ke)(ke)適(shi)當延長(chang)(chang)至10min，確保鋼(gang)(gang)板(ban)(ban)(ban)成(cheng)垛(duo)前溫度控制(zhi)在(zai)(zai)500℃以(yi)上。鋼(gang)(gang)板(ban)(ban)(ban)厚(hou)度不大(da)于50mm鋼(gang)(gang)板(ban)(ban)(ban)緩冷時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)在(zai)(zai)12h;厚(hou)度大(da)于50mm的(de)(de)(de)(de)(de)鋼(gang)(gang)板(ban)(ban)(ban)緩冷時(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)24h，嚴禁提(ti)前拆垛(duo)精(jing)整(zheng)。

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