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吉安Q355E無(wu)縫方(fang)管用途

經過多年努力和用心經營，公司吉安Q355B矩形管產品暢銷多個省市、自治區，并遠銷日本、泰國、俄羅斯、印度、巴基斯坦、東南亞等和地區，深受客戶的好評。 <吉安>萬盛達鋼鐵有限公司是一家專業從事于吉安(an)Q355B矩形(xing)管的生產廠家，您若想了解吉安Q355B矩形管(guan)產品和信息，請撥打我們的服務熱線，真誠歡迎您到我公司考察洽談業務，一站式采購，一次握手，終生朋友，厚德載物，勝在共贏。

有(you)(you)(you)時(shi)(shi)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)坯(pi)(pi)會出(chu)(chu)現(xian)(xian)分(fen)層(ceng)問題，從(cong)(cong)而(er)導(dao)(dao)致(zhi)探(tan)(tan)傷(shang)不(bu)(bu)(bu)合。要(yao)(yao)(yao)(yao)(yao)(yao)這(zhe)一(yi)(yi)(yi)缺(que)陷，我們可(ke)以(yi)優化(hua)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)坯(pi)(pi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)緩(huan)冷(leng)(leng)(leng)工(gong)(gong)(gong)藝，主要(yao)(yao)(yao)(yao)(yao)(yao)針對(dui)堆垛(duo)(duo)溫(wen)(wen)度(du)(du)(du)(du)和(he)(he)堆垛(duo)(duo)持續時(shi)(shi)間(jian)。軋制(zhi)(zhi)(zhi)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)厚度(du)(du)(du)(du)不(bu)(bu)(bu)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)80mm鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)熱(re)(re)(re)矯直后(hou)，在(zai)(zai)(zai)冷(leng)(leng)(leng)床停留(liu)時(shi)(shi)間(jian)不(bu)(bu)(bu)得(de)超(chao)(chao)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)5min。厚度(du)(du)(du)(du)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)80mm鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)可(ke)適當(dang)延長(chang)(chang)至10min，確保(bao)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)成(cheng)(cheng)(cheng)(cheng)(cheng)垛(duo)(duo)前(qian)溫(wen)(wen)度(du)(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)在(zai)(zai)(zai)500℃以(yi)上(shang)(shang)。鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)厚度(du)(du)(du)(du)不(bu)(bu)(bu)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)50mm鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)緩(huan)冷(leng)(leng)(leng)時(shi)(shi)間(jian)在(zai)(zai)(zai)12h;厚度(du)(du)(du)(du)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)50mm的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)緩(huan)冷(leng)(leng)(leng)時(shi)(shi)間(jian)24h，嚴(yan)禁(jin)提(ti)前(qian)拆垛(duo)(duo)精(jing)整。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)坯(pi)(pi)出(chu)(chu)現(xian)(xian)貝(bei)氏體(ti)(ti)一(yi)(yi)(yi)般是(shi)(shi)由(you)于(yu)(yu)(yu)(yu)冷(leng)(leng)(leng)速(su)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)快造成(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。當(dang)冷(leng)(leng)(leng)卻速(su)度(du)(du)(du)(du)降低(di)至3-5℃/s時(shi)(shi)，鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)心部(bu)偏析帶不(bu)(bu)(bu)再出(chu)(chu)現(xian)(xian)貝(bei)氏體(ti)(ti)組織(zhi)，形(xing)成(cheng)(cheng)(cheng)(cheng)(cheng)常規的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)珠光(guang)體(ti)(ti)組織(zhi)。控(kong)(kong)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)卻優化(hua)后(hou)，板(ban)(ban)(ban)(ban)坯(pi)(pi)心部(bu)偏析帶組織(zhi)應(ying)(ying)力(li)明顯(xian)減少，因組織(zhi)應(ying)(ying)力(li)產(chan)生(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)微(wei)(wei)(wei)裂(lie)紋得(de)到(dao)(dao)大(da)(da)(da)(da)大(da)(da)(da)(da)改善(shan)。在(zai)(zai)(zai)實際生(sheng)(sheng)產(chan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)軋制(zhi)(zhi)(zhi)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)長(chang)(chang)及(ji)(ji)寬相差較(jiao)(jiao)大(da)(da)(da)(da)，在(zai)(zai)(zai)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)緩(huan)冷(leng)(leng)(leng)時(shi)(shi)存在(zai)(zai)(zai)堆垛(duo)(duo)不(bu)(bu)(bu)整齊(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情況，導(dao)(dao)致(zhi)超(chao)(chao)寬板(ban)(ban)(ban)(ban)邊(bian)(bian)部(bu)探(tan)(tan)傷(shang)檢(jian)驗不(bu)(bu)(bu)合格(ge)或(huo)(huo)是(shi)(shi)超(chao)(chao)長(chang)(chang)板(ban)(ban)(ban)(ban)頭部(bu)探(tan)(tan)傷(shang)檢(jian)驗不(bu)(bu)(bu)合格(ge)。通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)建立集中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)裝爐(lu)制(zhi)(zhi)(zhi)度(du)(du)(du)(du)，安排軋制(zhi)(zhi)(zhi)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)長(chang)(chang)、寬相近的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)合同(tong)集中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)裝爐(lu)，保(bao)證后(hou)續鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)堆垛(duo)(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)整齊(qi)。必要(yao)(yao)(yao)(yao)(yao)(yao)時(shi)(shi)對(dui)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)坯(pi)(pi)周邊(bian)(bian)采用(yong)(yong)(yong)石棉布包裹，加(jia)(jia)(jia)(jia)(jia)強保(bao)溫(wen)(wen)效果。 要(yao)(yao)(yao)(yao)(yao)(yao)防止不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)方(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)出(chu)(chu)現(xian)(xian)熱(re)(re)(re)裂(lie)故障，我們可(ke)以(yi)根據(ju)(ju)管(guan)(guan)(guan)(guan)件(jian)(jian)結(jie)構(gou)(gou)、大(da)(da)(da)(da)小(xiao)(xiao)、長(chang)(chang)寬、厚薄(bo)等，設計正確合理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)澆(jiao)注(zhu)系(xi)統(tong)結(jie)構(gou)(gou)和(he)(he)設置部(bu)位(wei)。在(zai)(zai)(zai)冷(leng)(leng)(leng)凝線收(shou)縮過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，保(bao)證溫(wen)(wen)差平衡(heng)，順(shun)序凝固，使(shi)(shi)不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)方(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)件(jian)(jian)正常自(zi)由(you)收(shou)縮。根據(ju)(ju)泥(ni)(ni)芯(xin)結(jie)構(gou)(gou)，制(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)芯(xin)骨結(jie)構(gou)(gou)，要(yao)(yao)(yao)(yao)(yao)(yao)有(you)(you)(you)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)剛度(du)(du)(du)(du)和(he)(he)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)吃砂(sha)(sha)(sha)(sha)量(liang)。一(yi)(yi)(yi)般泥(ni)(ni)芯(xin)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)芯(xin)骨吃砂(sha)(sha)(sha)(sha)量(liang)為(wei)(wei)(wei)20-30mm。如(ru)(ru)泥(ni)(ni)芯(xin)直徑(jing)為(wei)(wei)(wei)Φ400mm、芯(xin)骨直徑(jing)為(wei)(wei)(wei)Φ340-360mm。較(jiao)(jiao)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)泥(ni)(ni)芯(xin)吃砂(sha)(sha)(sha)(sha)量(liang)為(wei)(wei)(wei)50-80mm，泥(ni)(ni)芯(xin)制(zhi)(zhi)(zhi)好(hao)后(hou)插長(chang)(chang)鐵釘(ding)加(jia)(jia)(jia)(jia)(jia)固。提(ti)高(gao)不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)方(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)力(li)學性(xing)能(neng)(neng)，爐(lu)料(liao)按比(bi)例過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)秤配料(liao)，嚴(yan)格(ge)控(kong)(kong)制(zhi)(zhi)(zhi)鐵水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)化(hua)學成(cheng)(cheng)(cheng)(cheng)(cheng)分(fen)，盡量(liang)降低(di)有(you)(you)(you)害(hai)元素(su)含(han)(han)量(liang)，如(ru)(ru)硫、磷。根據(ju)(ju)不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)方(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)結(jie)構(gou)(gou)，設計合理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)(sha)箱結(jie)構(gou)(gou)和(he)(he)剛度(du)(du)(du)(du)，保(bao)證有(you)(you)(you)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)吃砂(sha)(sha)(sha)(sha)量(liang)。砂(sha)(sha)(sha)(sha)箱放置木模(mo)(mo)(mo)上(shang)(shang)后(hou)，四周吃砂(sha)(sha)(sha)(sha)量(liang)要(yao)(yao)(yao)(yao)(yao)(yao)相等，箱擋不(bu)(bu)(bu)能(neng)(neng)靠近法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)蘭或(huo)(huo)凸起部(bu)位(wei)，要(yao)(yao)(yao)(yao)(yao)(yao)有(you)(you)(you)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)距離(li)(li)(li)。必要(yao)(yao)(yao)(yao)(yao)(yao)時(shi)(shi)澆(jiao)注(zhu)后(hou)，可(ke)將(jiang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)蘭部(bu)位(wei)或(huo)(huo)凸起部(bu)位(wei)和(he)(he)澆(jiao)冒口(kou)處的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)型砂(sha)(sha)(sha)(sha)挖掉，使(shi)(shi)鑄(zhu)件(jian)(jian)正常自(zi)由(you)收(shou)縮。型腔分(fen)型面(mian)(mian)不(bu)(bu)(bu)允許(xu)有(you)(you)(you)批(pi)(pi)(pi)縫(feng)(feng)，但型腔邊(bian)(bian)緣允許(xu)刮有(you)(you)(you)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)批(pi)(pi)(pi)縫(feng)(feng)，沒有(you)(you)(you)批(pi)(pi)(pi)縫(feng)(feng)合箱后(hou)就(jiu)會壓崩型腔。批(pi)(pi)(pi)縫(feng)(feng)是(shi)(shi)根據(ju)(ju)鑄(zhu)件(jian)(jian)結(jie)構(gou)(gou)、大(da)(da)(da)(da)小(xiao)(xiao)來確定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，一(yi)(yi)(yi)般修刮批(pi)(pi)(pi)縫(feng)(feng)為(wei)(wei)(wei)0.5-1mm或(huo)(huo)2-3mm，大(da)(da)(da)(da)件(jian)(jian)不(bu)(bu)(bu)超(chao)(chao)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)5mm。在(zai)(zai)(zai)編制(zhi)(zhi)(zhi)工(gong)(gong)(gong)藝發(fa)現(xian)(xian)結(jie)構(gou)(gou)設計不(bu)(bu)(bu)合理(li)時(shi)(shi)，應(ying)(ying)及(ji)(ji)時(shi)(shi)修改，防止不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)方(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)件(jian)(jian)炸裂(lie)和(he)(he)產(chan)生(sheng)(sheng)其(qi)(qi)他缺(que)陷。管(guan)(guan)(guan)(guan)件(jian)(jian)開箱不(bu)(bu)(bu)能(neng)(neng)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)早或(huo)(huo)高(gao)溫(wen)(wen)清鏟(chan)不(bu)(bu)(bu)能(neng)(neng)澆(jiao)水(shui)(shui)(shui)(shui)(shui)。一(yi)(yi)(yi)般在(zai)(zai)(zai)泥(ni)(ni)芯(xin)砂(sha)(sha)(sha)(sha)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)加(jia)(jia)(jia)(jia)(jia)入鋸末屑(xie)3%-4%、老煤(mei)粉3%-5%、膨潤土2%-3%及(ji)(ji)其(qi)(qi)他黏(nian)土，有(you)(you)(you)較(jiao)(jiao)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)退(tui)讓性(xing)和(he)(he)出(chu)(chu)砂(sha)(sha)(sha)(sha)性(xing)。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)水(shui)(shui)(shui)(shui)(shui)處理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。蒸餾法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：蒸餾法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)把水(shui)(shui)(shui)(shui)(shui)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)，變(bian)成(cheng)(cheng)(cheng)(cheng)(cheng)氣(qi)體(ti)(ti)，分(fen)出(chu)(chu)混入氣(qi)相中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)低(di)沸點(dian)成(cheng)(cheng)(cheng)(cheng)(cheng)分(fen)或(huo)(huo)飛沫成(cheng)(cheng)(cheng)(cheng)(cheng)分(fen)，低(di)沸點(dian)氣(qi)體(ti)(ti)放于(yu)(yu)(yu)(yu)大(da)(da)(da)(da)氣(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。不(bu)(bu)(bu)揮(hui)發(fa)性(xing)不(bu)(bu)(bu)純(chun)物(wu)(wu)殘留(liu)于(yu)(yu)(yu)(yu)液(ye)(ye)相中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，成(cheng)(cheng)(cheng)(cheng)(cheng)為(wei)(wei)(wei)濃縮液(ye)(ye)排出(chu)(chu)。如(ru)(ru)此把水(shui)(shui)(shui)(shui)(shui)精(jing)制(zhi)(zhi)(zhi)成(cheng)(cheng)(cheng)(cheng)(cheng)高(gao)純(chun)度(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)。活性(xing)炭吸(xi)(xi)(xi)附(fu)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：活性(xing)炭依靠吸(xi)(xi)(xi)附(fu)和(he)(he)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)主要(yao)(yao)(yao)(yao)(yao)(yao)去除方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)生(sheng)(sheng)產(chan)時(shi)(shi)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)異色、異味(wei)、余氯、殘留(liu)消(xiao)毒(du)物(wu)(wu)等有(you)(you)(you)機(ji)物(wu)(wu)雜質(zhi)(zhi)(zhi)。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)水(shui)(shui)(shui)(shui)(shui)處理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。反滲透法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：它(ta)是(shi)(shi)以(yi)壓力(li)為(wei)(wei)(wei)推動力(li)，利用(yong)(yong)(yong)反滲透膜(mo)(mo)(mo)(mo)只(zhi)能(neng)(neng)透水(shui)(shui)(shui)(shui)(shui)而(er)不(bu)(bu)(bu)能(neng)(neng)透過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)溶質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)選擇性(xing)，從(cong)(cong)含(han)(han)有(you)(you)(you)各種(zhong)(zhong)(zhong)(zhong)(zhong)無機(ji)物(wu)(wu)、有(you)(you)(you)機(ji)物(wu)(wu)、微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)體(ti)(ti)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，提(ti)取方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)純(chun)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物(wu)(wu)質(zhi)(zhi)(zhi)分(fen)離(li)(li)(li)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)程(cheng)。方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)反滲透膜(mo)(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔(kong)(kong)(kong)(kong)(kong)徑(jing)小(xiao)(xiao)于(yu)(yu)(yu)(yu)10埃，具(ju)有(you)(you)(you)極強的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)篩(shai)分(fen)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)，其(qi)(qi)脫鹽率高(gao)達(da)99%，除菌率大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)99.5%。EDI法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)又稱(cheng)連續電(dian)(dian)除鹽技術，EDI裝置將(jiang)離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)交(jiao)換(huan)樹脂(zhi)充夾在(zai)(zai)(zai)陰(yin)陽(yang)(yang)離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)交(jiao)換(huan)膜(mo)(mo)(mo)(mo)之間(jian)形(xing)成(cheng)(cheng)(cheng)(cheng)(cheng)EDI單元。這(zhe)種(zhong)(zhong)(zhong)(zhong)(zhong)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)不(bu)(bu)(bu)需(xu)(xu)再用(yong)(yong)(yong)酸(suan)(suan)堿對(dui)樹脂(zhi)進(jin)(jin)行再生(sheng)(sheng)，環(huan)保(bao)性(xing)好(hao)。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)水(shui)(shui)(shui)(shui)(shui)處理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)交(jiao)換(huan)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)交(jiao)換(huan)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原(yuan)理(li)是(shi)(shi)將(jiang)原(yuan)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)無機(ji)鹽陰(yin)陽(yang)(yang)離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)與離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)交(jiao)換(huan)樹脂(zhi)交(jiao)換(huan)，使(shi)(shi)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)陰(yin)、陽(yang)(yang)離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)與樹脂(zhi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)陰(yin)陽(yang)(yang)離(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)相交(jiao)換(huan)，從(cong)(cong)而(er)使(shi)(shi)水(shui)(shui)(shui)(shui)(shui)得(de)到(dao)(dao)軟化(hua)或(huo)(huo)純(chun)化(hua)。純(chun)化(hua)水(shui)(shui)(shui)(shui)(shui)用(yong)(yong)(yong)陽(yang)(yang)樹脂(zhi)需(xu)(xu)要(yao)(yao)(yao)(yao)(yao)(yao)用(yong)(yong)(yong)酸(suan)(suan)進(jin)(jin)行再生(sheng)(sheng)，陰(yin)樹脂(zhi)需(xu)(xu)要(yao)(yao)(yao)(yao)(yao)(yao)用(yong)(yong)(yong)堿進(jin)(jin)行再生(sheng)(sheng)。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)水(shui)(shui)(shui)(shui)(shui)處理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。沉淀過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：這(zhe)是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)原(yuan)始的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，它(ta)是(shi)(shi)依靠水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)微(wei)(wei)(wei)粒(li)雜質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)自(zi)身重量(liang)下(xia)沉來達(da)到(dao)(dao)分(fen)離(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，常用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)雜質(zhi)(zhi)(zhi)顆(ke)(ke)粒(li)較(jiao)(jiao)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)場所(suo)。薄(bo)膜(mo)(mo)(mo)(mo)微(wei)(wei)(wei)孔(kong)(kong)(kong)(kong)(kong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)包括三種(zhong)(zhong)(zhong)(zhong)(zhong)形(xing)式：深(shen)(shen)層(ceng)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)、篩(shai)網過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)、表面(mian)(mian)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)。深(shen)(shen)層(ceng)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)是(shi)(shi)以(yi)編織(zhi)纖維或(huo)(huo)壓縮材料(liao)制(zhi)(zhi)(zhi)成(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)(ji)質(zhi)(zhi)(zhi)，利用(yong)(yong)(yong)隋性(xing)吸(xi)(xi)(xi)附(fu)或(huo)(huo)是(shi)(shi)捕(bu)捉方(fang)(fang)(fang)(fang)(fang)式來留(liu)住顆(ke)(ke)粒(li)，可(ke)去除98%以(yi)上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)懸浮固體(ti)(ti)。表面(mian)(mian)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)則是(shi)(shi)多層(ceng)結(jie)構(gou)(gou)，當(dang)溶液(ye)(ye)通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)膜(mo)(mo)(mo)(mo)時(shi)(shi)，較(jiao)(jiao)濾(lv)(lv)膜(mo)(mo)(mo)(mo)內部(bu)孔(kong)(kong)(kong)(kong)(kong)隙大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)將(jiang)被留(liu)下(xia)來，并(bing)主要(yao)(yao)(yao)(yao)(yao)(yao)堆積在(zai)(zai)(zai)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)濾(lv)(lv)膜(mo)(mo)(mo)(mo)表面(mian)(mian)上(shang)(shang)。篩(shai)網濾(lv)(lv)膜(mo)(mo)(mo)(mo)基(ji)(ji)本上(shang)(shang)是(shi)(shi)具(ju)有(you)(you)(you)一(yi)(yi)(yi)致(zhi)性(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)結(jie)構(gou)(gou)，就(jiu)象篩(shai)子(zi)(zi)(zi)(zi)(zi)一(yi)(yi)(yi)般，將(jiang)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)，都留(liu)在(zai)(zai)(zai)表面(mian)(mian)上(shang)(shang)。 方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)水(shui)(shui)(shui)(shui)(shui)處理(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。超(chao)(chao)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：微(wei)(wei)(wei)孔(kong)(kong)(kong)(kong)(kong)薄(bo)膜(mo)(mo)(mo)(mo)是(shi)(shi)依其(qi)(qi)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大(da)(da)(da)(da)小(xiao)(xiao)來去除微(wei)(wei)(wei)粒(li)，而(er)超(chao)(chao)濾(lv)(lv)薄(bo)膜(mo)(mo)(mo)(mo)則像(xiang)一(yi)(yi)(yi)個(ge)(ge)分(fen)子(zi)(zi)(zi)(zi)(zi)篩(shai)，它(ta)以(yi)尺寸為(wei)(wei)(wei)基(ji)(ji)準，讓溶液(ye)(ye)通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)極微(wei)(wei)(wei)細(xi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔(kong)(kong)(kong)(kong)(kong)，以(yi)達(da)到(dao)(dao)分(fen)離(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)溶液(ye)(ye)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)不(bu)(bu)(bu)同(tong)大(da)(da)(da)(da)小(xiao)(xiao)分(fen)子(zi)(zi)(zi)(zi)(zi)之目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。紫(zi)(zi)(zi)外線滅菌：紫(zi)(zi)(zi)外燈(deng)所(suo)放射出(chu)(chu)來的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)紫(zi)(zi)(zi)外線是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)效的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)殺菌方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，因為(wei)(wei)(wei)細(xi)菌中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)DNA及(ji)(ji)蛋白(bai)質(zhi)(zhi)(zhi)會有(you)(you)(you)吸(xi)(xi)(xi)收(shou)紫(zi)(zi)(zi)外線導(dao)(dao)致(zhi)死亡，在(zai)(zai)(zai)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)制(zhi)(zhi)(zhi)造過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)產(chan)生(sheng)(sheng)滅菌作(zuo)(zuo)(zuo)用(yong)(yong)(yong)。電(dian)(dian)滲析：滲析是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)物(wu)(wu)理(li)現(xian)(xian)象，是(shi)(shi)以(yi)濃度(du)(du)(du)(du)差作(zuo)(zuo)(zuo)為(wei)(wei)(wei)推動力(li)，方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)擴散速(su)度(du)(du)(du)(du)始終(zhong)是(shi)(shi)比(bi)較(jiao)(jiao)慢的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。如(ru)(ru)果要(yao)(yao)(yao)(yao)(yao)(yao)加(jia)(jia)(jia)(jia)(jia)快這(zhe)個(ge)(ge)速(su)度(du)(du)(du)(du)，就(jiu)可(ke)以(yi)在(zai)(zai)(zai)膜(mo)(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)兩(liang)邊(bian)(bian)加(jia)(jia)(jia)(jia)(jia)一(yi)(yi)(yi)直流電(dian)(dian)極。電(dian)(dian)解質(zhi)(zhi)(zhi)在(zai)(zai)(zai)電(dian)(dian)場的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)下(xia)，會加(jia)(jia)(jia)(jia)(jia)快遷移的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)速(su)度(du)(du)(du)(du)，這(zhe)就(jiu)稱(cheng)為(wei)(wei)(wei)電(dian)(dian)滲析。 熱(re)(re)(re)軋方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)和(he)(he)冷(leng)(leng)(leng)拔(ba)(ba)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)都是(shi)(shi)無縫(feng)(feng)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)成(cheng)(cheng)(cheng)(cheng)(cheng)型工(gong)(gong)(gong)藝，從(cong)(cong)效果及(ji)(ji)價(jia)格(ge)方(fang)(fang)(fang)(fang)(fang)面(mian)(mian)分(fen)析，冷(leng)(leng)(leng)拔(ba)(ba)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)要(yao)(yao)(yao)(yao)(yao)(yao)優于(yu)(yu)(yu)(yu)熱(re)(re)(re)軋方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)。熱(re)(re)(re)軋方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)就(jiu)是(shi)(shi)用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)丕經常加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)，穿孔(kong)(kong)(kong)(kong)(kong)軋制(zhi)(zhi)(zhi)而(er)成(cheng)(cheng)(cheng)(cheng)(cheng)，這(zhe)種(zhong)(zhong)(zhong)(zhong)(zhong)工(gong)(gong)(gong)藝加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)而(er)成(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)子(zi)(zi)(zi)(zi)(zi)稱(cheng)為(wei)(wei)(wei)熱(re)(re)(re)軋管(guan)(guan)(guan)(guan)。冷(leng)(leng)(leng)拔(ba)(ba)方(fang)(fang)(fang)(fang)(fang)矩(ju)管(guan)(guan)(guan)(guan)是(shi)(shi)在(zai)(zai)(zai)熱(re)(re)(re)軋管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)(ji)礎上(shang)(shang)做的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)深(shen)(shen)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)。以(yi)熱(re)(re)(re)軋管(guan)(guan)(guan)(guan)為(wei)(wei)(wei)原(yuan)管(guan)(guan)(guan)(guan)，進(jin)(jin)行的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)二次加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)。加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)：通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)模(mo)(mo)(mo)具(ju)，對(dui)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)口(kou)徑(jing)進(jin)(jin)行縮小(xiao)(xiao)，用(yong)(yong)(yong)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)拽的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)力(li)，將(jiang)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)在(zai)(zai)(zai)模(mo)(mo)(mo)具(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)拔(ba)(ba)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)來，就(jiu)是(shi)(shi)讓鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)通(tong)(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)(guo)模(mo)(mo)(mo)具(ju)，這(zhe)種(zhong)(zhong)(zhong)(zhong)(zhong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，不(bu)(bu)(bu)需(xu)(xu)要(yao)(yao)(yao)(yao)(yao)(yao)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)，所(suo)以(yi)稱(cheng)為(wei)(wei)(wei)冷(leng)(leng)(leng)拔(ba)(ba)，冷(leng)(leng)(leng)拔(ba)(ba)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)將(jiang)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)口(kou)徑(jing)縮小(xiao)(xiao)。