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從(cong)整體(ti)生(sheng)(sheng)產(chan)(chan)方(fang)面(mian)來看,人們能夠(gou)(gou)意識(shi)到(dao)鍍鋅板(ban)在生(sheng)(sheng)產(chan)(chan)過程(cheng)中應用(yong)范圍是(shi)很(hen)大的(de),而(er)各位朋(peng)友也應該認(ren)識(shi)該種產(chan)(chan)品未來發展的(de)情況,只有這(zhe)(zhe)樣才(cai)能夠(gou)(gou)對產(chan)(chan)品有更(geng)為(wei)掌(zhang)(zhang)握。所以希望生(sheng)(sheng)活中每一(yi)位朋(peng)友都能夠(gou)(gou)認(ren)知(zhi)這(zhe)(zhe)部分的(de)內容(rong),這(zhe)(zhe)樣在每個部分才(cai)能夠(gou)(gou)獲取好的(de)答案。鍍鋅板(ban)生(sheng)(sheng)產(chan)(chan)方(fang)面(mian)國(guo)內存(cun)(cun)在著供(gong)應不足的(de)問(wen)題,所以市場方(fang)面(mian)應該加強生(sheng)(sheng)產(chan)(chan),而(er)在生(sheng)(sheng)產(chan)(chan)技術方(fang)面(mian)的(de)提(ti)升也是(shi)很(hen)重要(yao)的(de)。只有能夠(gou)(gou)以更(geng)加認(ren)真的(de)態(tai)度掌(zhang)(zhang)握這(zhe)(zhe)部分的(de)內容(rong),這(zhe)(zhe)樣整體(ti)生(sheng)(sheng)產(chan)(chan)才(cai)能夠(gou)(gou)更(geng)加順利。自然進口也是(shi)很(hen)重要(yao)的(de)一(yi)部分,不過進口產(chan)(chan)品在價(jia)格方(fang)面(mian)也存(cun)(cun)在著更(geng)高方(fang)面(mian)的(de)問(wen)題,所以國(guo)內生(sheng)(sheng)產(chan)(chan)加強是(shi)很(hen)重要(yao)的(de)。
鍍鋅(xin)板開(kai)平(ping)的(de)(de)(de)(de)(de)整個(ge)生產來說(shuo)它(ta)(ta)(ta)首先就是(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)達(da)(da)到(dao)很(hen)高(gao)的(de)(de)(de)(de)(de)工(gong)藝(yi),但是(shi)(shi)(shi)(shi)(shi)如果(guo)要(yao)(yao)(yao)讓它(ta)(ta)(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)(de)(de)(de)工(gong)藝(yi)性(xing)(xing)上(shang)面(mian)(mian)達(da)(da)到(dao)很(hen)高(gao)的(de)(de)(de)(de)(de)表現,也(ye)(ye)是(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)讓它(ta)(ta)(ta)達(da)(da)到(dao)很(hen)高(gao)的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求的(de)(de)(de)(de)(de),那么(me)它(ta)(ta)(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)工(gong)藝(yi)性(xing)(xing)上(shang)面(mian)(mian)都是(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)達(da)(da)到(dao)什么(me)樣的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求呢?首先一(yi)(yi)(yi)個(ge)方面(mian)(mian),就是(shi)(shi)(shi)(shi)(shi)它(ta)(ta)(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)(de)(de)(de)生產上(shang)面(mian)(mian)要(yao)(yao)(yao)讓自(zi)(zi)(zi)己(ji)(ji)有(you)(you)很(hen)高(gao)的(de)(de)(de)(de)(de)技術(shu),如果(guo)是(shi)(shi)(shi)(shi)(shi)一(yi)(yi)(yi)個(ge)廠家(jia),他們沒(mei)(mei)有(you)(you)很(hen)高(gao)的(de)(de)(de)(de)(de)技術(shu),那么(me)他們是(shi)(shi)(shi)(shi)(shi)不能(neng)讓自(zi)(zi)(zi)己(ji)(ji)的(de)(de)(de)(de)(de)工(gong)藝(yi)性(xing)(xing)有(you)(you)很(hen)好的(de)(de)(de)(de)(de)表現的(de)(de)(de)(de)(de)。鍍鋅(xin)板開(kai)平(ping)的(de)(de)(de)(de)(de)整個(ge)設備上(shang)面(mian)(mian)也(ye)(ye)是(shi)(shi)(shi)(shi)(shi)很(hen)重要(yao)(yao)(yao)的(de)(de)(de)(de)(de),現在(zai)也(ye)(ye)有(you)(you)一(yi)(yi)(yi)些(xie)廠家(jia),他們因(yin)為自(zi)(zi)(zi)己(ji)(ji)沒(mei)(mei)有(you)(you)很(hen)好的(de)(de)(de)(de)(de)實力,所以自(zi)(zi)(zi)然就會讓它(ta)(ta)(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)(de)(de)(de)設備上(shang)面(mian)(mian)的(de)(de)(de)(de)(de)下降(jiang),如果(guo)是(shi)(shi)(shi)(shi)(shi)一(yi)(yi)(yi)些(xie)大廠家(jia)來說(shuo),他們在(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)(de)(de)(de)整個(ge)工(gong)作中,都是(shi)(shi)(shi)(shi)(shi)能(neng)使(shi)用到(dao)電腦(nao)上(shang)面(mian)(mian)的(de)(de)(de)(de)(de)控制,但是(shi)(shi)(shi)(shi)(shi)對于有(you)(you)些(xie)廠家(jia)來說(shuo),他們還在(zai)使(shi)用一(yi)(yi)(yi)些(xie)落后(hou)的(de)(de)(de)(de)(de)設備,這樣自(zi)(zi)(zi)然就會讓它(ta)(ta)(ta)在(zai)工(gong)藝(yi)性(xing)(xing)上(shang)面(mian)(mian)下降(jiang),所以這一(yi)(yi)(yi)點也(ye)(ye)是(shi)(shi)(shi)(shi)(shi)它(ta)(ta)(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)工(gong)藝(yi)性(xing)(xing)上(shang)面(mian)(mian)的(de)(de)(de)(de)(de)一(yi)(yi)(yi)些(xie)條(tiao)件。
鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板的(de)表面(mian)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)主要(yao)采用的(de)方法(fa)是熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)。熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)是由(you)較古老的(de)熱(re)鍍(du)(du)(du)(du)(du)(du)方法(fa)發(fa)(fa)展(zhan)而來的(de),自從1836年(nian)法(fa)國把熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)應用于工業以(yi)來,已經有(you)一百七十(shi)年(nian)的(de)歷史了。然而,熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)工業是近三十(shi)年(nian)來伴(ban)隨冷軋帶(dai)鋼(gang)(gang)的(de)飛速發(fa)(fa)展(zhan)而得到(dao)了大規模(mo)發(fa)(fa)展(zhan)。鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)(ye)有(you)氰(qing)(qing)化物鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)和無(wu)(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)兩類。氰(qing)(qing)化物鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)中(zhong)分(fen)微(wei)氰(qing)(qing)、低(di)(di)氰(qing)(qing)、中(zhong)氰(qing)(qing)、和高氰(qing)(qing)幾類。無(wu)(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)有(you)堿性(xing)鋅(xin)(xin)(xin)酸鹽鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)、銨鹽鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)、硫酸鹽鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)及無(wu)(wu)氨(an)氯化物鍍(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)(ye)等。氰(qing)(qing)化鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)(ye)均(jun)鍍(du)(du)(du)(du)(du)(du)能(neng)力好,得到(dao)的(de)鍍(du)(du)(du)(du)(du)(du)層光滑細(xi)致(zhi),在(zai)生產中(zhong)被長期(qi)采用。但由(you)于氰(qing)(qing)化物劇(ju)毒,對(dui)環(huan)境(jing)污染嚴重,近年(nian)來已趨向于采用低(di)(di)氰(qing)(qing)、微(wei)氰(qing)(qing)、無(wu)(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)(ye)。
北京彩涂卷重慶鍍鋅卷主要有:脫落、劃傷、鈍化斑、鋅粒、厚邊、氣刀條痕、氣刀刮痕、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊、瓢曲、尺寸不合、壓印、鋅層厚度不合、輥印等。彩涂卷廠家鋅(xin)層(ceng)脫(tuo)落的(de)主要(yao)原(yuan)因有(you)(you):表面氧(yang)化(hua)(hua)(hua)、有(you)(you)硅化(hua)(hua)(hua)合物、冷扎(zha)乳化(hua)(hua)(hua)液太(tai)臟(zang)、NOF段氧(yang)化(hua)(hua)(hua)氣(qi)氛及(ji)保護氣(qi)體(ti)露點(dian)太(tai)高、空燃比不合理、氫氣(qi)流量(liang)偏(pian)低、爐(lu)子有(you)(you)氧(yang)滲入(ru),帶鋼入(ru)鍋溫度(du)偏(pian)低,RWP段爐(lu)壓偏(pian)低及(ji)爐(lu)門(men)吸風、NOF段爐(lu)溫偏(pian)低,油(you)脂蒸發不盡、鋅(xin)鍋鋁含量(liang)偏(pian)低、機組速度(du)太(tai)快、還原(yuan)不充(chong)分、鋅(xin)液中停(ting)留時間太(tai)短、鍍層(ceng)偏(pian)厚。白銹(xiu)和黑(hei)斑(ban)產(chan)生(sheng)的(de)原(yuan)因有(you)(you):黑(hei)斑(ban)是白銹(xiu)進一(yi)步氧(yang)化(hua)(hua)(hua)形成的(de)鍍鋅(xin)板(ban)的(de)特(te)點(dian)與用途。鍍鋅(xin)卷(juan)板(ban)是以(yi)熱軋鋼帶或冷軋鋼帶為基板(ban),經(jing)過連續(xu)熱浸鍍鋅(xin)工藝而生(sheng)產(chan)出(chu)來的(de), 產(chan)品具有(you)(you)耐(nai)腐蝕強、 表面質量(liang)好(hao)、有(you)(you)利于深(shen)加工、經(jing)濟實用等特(te)點(dian)。
鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)是(shi)為防止(zhi)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)表面遭受腐(fu)蝕(shi),延長(chang)其使(shi)(shi)用壽命,在(zai)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)表面涂以一(yi)層(ceng)金(jin)(jin)(jin)(jin)屬(shu)鋅(xin)(xin)(xin)(xin),這(zhe)種涂鋅(xin)(xin)(xin)(xin)的(de)薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)稱為鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)。鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)也是(shi)用熱(re)(re)(re)浸法制造(zao),但在(zai)出槽后,立即把(ba)它(ta)加熱(re)(re)(re)到(dao)500℃左右,使(shi)(shi)其生(sheng)成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)合(he)金(jin)(jin)(jin)(jin)被膜。這(zhe)種鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)卷(juan)具(ju)有良(liang)好的(de)涂料(liao)的(de)密著性(xing)(xing)和(he)焊接性(xing)(xing)。合(he)金(jin)(jin)(jin)(jin)化鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。這(zhe)種鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)也是(shi)用熱(re)(re)(re)浸法制造(zao),但在(zai)出槽后,立即把(ba)它(ta)加熱(re)(re)(re)到(dao)500℃左右,使(shi)(shi)其生(sheng)成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)合(he)金(jin)(jin)(jin)(jin)被膜。這(zhe)種鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)具(ju)有良(liang)好的(de)涂料(liao)的(de)密著性(xing)(xing)和(he)焊接性(xing)(xing)。熱(re)(re)(re)浸鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。將薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)浸入熔解的(de)鋅(xin)(xin)(xin)(xin)槽中(zhong),使(shi)(shi)其表面粘(zhan)附(fu)一(yi)層(ceng)鋅(xin)(xin)(xin)(xin)的(de)薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。目前主要采用連(lian)(lian)續(xu)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)工藝生(sheng)產,即把(ba)成(cheng)卷(juan)的(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)連(lian)(lian)續(xu)浸在(zai)熔解有鋅(xin)(xin)(xin)(xin)的(de)鍍(du)(du)(du)(du)(du)槽中(zhong)制成(cheng)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。合(he)金(jin)(jin)(jin)(jin)、復(fu)(fu)合(he)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。它(ta)是(shi)用鋅(xin)(xin)(xin)(xin)和(he)其他金(jin)(jin)(jin)(jin)屬(shu)如鉛、鋅(xin)(xin)(xin)(xin)制成(cheng)合(he)金(jin)(jin)(jin)(jin)乃至復(fu)(fu)合(he)鍍(du)(du)(du)(du)(du)成(cheng)的(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。這(zhe)種鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)既(ji)具(ju)有防銹(xiu)性(xing)(xing)能(neng),又有良(liang)好的(de)涂裝性(xing)(xing)能(neng)。