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地 址(zhi):重慶九龍坡綠(lv)云鋼材市場(chang)A9-293/雙福攀寶鋼材市場(chang)綠(lv)城路(lu)
熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)將薄鋼(gang)(gang)板(ban)浸入熔解的(de)(de)(de)鋅(xin)(xin)(xin)槽中,使其表面(mian)粘附一(yi)層鋅(xin)(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)板(ban)。目前(qian)主要采用(yong)(yong)連(lian)續鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)工藝生(sheng)產,即把成(cheng)卷的(de)(de)(de)鋼(gang)(gang)板(ban)連(lian)續浸在熔解有鋅(xin)(xin)(xin)的(de)(de)(de)鍍(du)(du)(du)(du)槽中制成(cheng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban);合(he)金(jin)(jin)化鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。這(zhe)種(zhong)鋼(gang)(gang)板(ban)也是用(yong)(yong)熱浸法(fa)(fa)制造(zao),但在出(chu)槽后,立即把它加(jia)熱到500 ℃左(zuo)右,使其生(sheng)成(cheng)鋅(xin)(xin)(xin)和鐵(tie)的(de)(de)(de)合(he)金(jin)(jin)被膜。這(zhe)種(zhong)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)具(ju)有良好(hao)的(de)(de)(de)涂料的(de)(de)(de)密(mi)著性(xing)和焊接性(xing);電(dian)(dian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。用(yong)(yong)電(dian)(dian)鍍(du)(du)(du)(du)法(fa)(fa)制造(zao)這(zhe)種(zhong)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)具(ju)有良好(hao)的(de)(de)(de)加(jia)工性(xing)。但鍍(du)(du)(du)(du)層較(jiao)薄,耐腐蝕性(xing)不如熱浸法(fa)(fa)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban);單(dan)面(mian)鍍(du)(du)(du)(du)和雙面(mian)差(cha)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。單(dan)面(mian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban),即只在一(yi)面(mian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)的(de)(de)(de)產品。在焊接、涂裝、防(fang)銹處理、加(jia)工等方面(mian),具(ju)有比雙面(mian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)好(hao)的(de)(de)(de)適應性(xing)。
鍍(du)鋅板開平(ping)的(de)(de)整(zheng)個(ge)生(sheng)產來(lai)(lai)說(shuo)它(ta)(ta)首先就是(shi)(shi)要(yao)(yao)(yao)(yao)達(da)到(dao)(dao)很高(gao)(gao)的(de)(de)工(gong)(gong)(gong)藝,但是(shi)(shi)如果(guo)要(yao)(yao)(yao)(yao)讓(rang)它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)的(de)(de)工(gong)(gong)(gong)藝性上(shang)面(mian)(mian)(mian)(mian)達(da)到(dao)(dao)很高(gao)(gao)的(de)(de)表現(xian)(xian),也是(shi)(shi)要(yao)(yao)(yao)(yao)讓(rang)它(ta)(ta)達(da)到(dao)(dao)很高(gao)(gao)的(de)(de)要(yao)(yao)(yao)(yao)求的(de)(de),那(nei)么它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)工(gong)(gong)(gong)藝性上(shang)面(mian)(mian)(mian)(mian)都是(shi)(shi)要(yao)(yao)(yao)(yao)達(da)到(dao)(dao)什么樣的(de)(de)要(yao)(yao)(yao)(yao)求呢?首先一(yi)個(ge)方面(mian)(mian)(mian)(mian),就是(shi)(shi)它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)的(de)(de)生(sheng)產上(shang)面(mian)(mian)(mian)(mian)要(yao)(yao)(yao)(yao)讓(rang)自(zi)己(ji)(ji)(ji)(ji)(ji)有(you)很高(gao)(gao)的(de)(de)技(ji)術,如果(guo)是(shi)(shi)一(yi)個(ge)廠(chang)家(jia),他們(men)沒有(you)很高(gao)(gao)的(de)(de)技(ji)術,那(nei)么他們(men)是(shi)(shi)不能(neng)讓(rang)自(zi)己(ji)(ji)(ji)(ji)(ji)的(de)(de)工(gong)(gong)(gong)藝性有(you)很好的(de)(de)表現(xian)(xian)的(de)(de)。鍍(du)鋅板開平(ping)的(de)(de)整(zheng)個(ge)設(she)備上(shang)面(mian)(mian)(mian)(mian)也是(shi)(shi)很重要(yao)(yao)(yao)(yao)的(de)(de),現(xian)(xian)在(zai)(zai)(zai)(zai)(zai)也有(you)一(yi)些(xie)廠(chang)家(jia),他們(men)因為自(zi)己(ji)(ji)(ji)(ji)(ji)沒有(you)很好的(de)(de)實力,所(suo)以自(zi)然就會讓(rang)它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)的(de)(de)設(she)備上(shang)面(mian)(mian)(mian)(mian)的(de)(de)下(xia)降(jiang),如果(guo)是(shi)(shi)一(yi)些(xie)大廠(chang)家(jia)來(lai)(lai)說(shuo),他們(men)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)的(de)(de)整(zheng)個(ge)工(gong)(gong)(gong)作(zuo)中,都是(shi)(shi)能(neng)使用到(dao)(dao)電腦上(shang)面(mian)(mian)(mian)(mian)的(de)(de)控制,但是(shi)(shi)對于有(you)些(xie)廠(chang)家(jia)來(lai)(lai)說(shuo),他們(men)還在(zai)(zai)(zai)(zai)(zai)使用一(yi)些(xie)落后的(de)(de)設(she)備,這(zhe)樣自(zi)然就會讓(rang)它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)工(gong)(gong)(gong)藝性上(shang)面(mian)(mian)(mian)(mian)下(xia)降(jiang),所(suo)以這(zhe)一(yi)點也是(shi)(shi)它(ta)(ta)在(zai)(zai)(zai)(zai)(zai)自(zi)己(ji)(ji)(ji)(ji)(ji)工(gong)(gong)(gong)藝性上(shang)面(mian)(mian)(mian)(mian)的(de)(de)一(yi)些(xie)條件(jian)。
西昌鍍鋅鋼管重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。鍍鋅鋼管價格樓承板(ban)(ban)(ban)(ban)用壓型鋼(gang)板(ban)(ban)(ban)(ban)宜選擇(ze)熱(re)(re)浸(jin)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban)。不允許使(shi)用電鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban),電鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban)僅在(zai)基材表面(mian)形(xing)成保(bao)護層,防(fang)腐能(neng)力有限。目前市(shi)場上有鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban)(鍍(du)(du)(du)(du)層含鋁(lv)5%或55%),在(zai)酸(suan)性(xing)(xing)(xing)環境(jing)下的防(fang)腐效果(guo)由(you)于(yu)熱(re)(re)浸(jin)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban),但在(zai)混凝土的堿性(xing)(xing)(xing)條件下,鍍(du)(du)(du)(du)鋁(lv)鋅(xin)的防(fang)腐蝕性(xing)(xing)(xing)能(neng)低于(yu)熱(re)(re)浸(jin)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban),且(qie)鋁(lv)會和混凝土發生反應,并降低混凝土與鋼(gang)板(ban)(ban)(ban)(ban)的粘結性(xing)(xing)(xing)能(neng)。因此參考國(guo)外(wai)規范,及國(guo)內外(wai)工程,行家壓型鋼(gang)板(ban)(ban)(ban)(ban)不建議使(shi)用鍍(du)(du)(du)(du)鋁(lv)鋅(xin)鋼(gang)板(ban)(ban)(ban)(ban)。
重(zhong)慶鍍(du)(du)鋅(xin)卷(juan)主要(yao)有(you):脫(tuo)落(luo)、劃傷、鈍化(hua)(hua)斑、鋅(xin)粒、厚(hou)邊、氣刀(dao)條痕(hen)、氣刀(dao)刮痕(hen)、露鋼(gang)(gang)、夾雜、機械損(sun)傷、鋼(gang)(gang)基性(xing)能(neng)不(bu)(bu)良、浪邊、瓢曲、尺寸不(bu)(bu)合(he)、壓(ya)印、鋅(xin)層(ceng)厚(hou)度(du)不(bu)(bu)合(he)、輥印等(deng)。鋅(xin)層(ceng)脫(tuo)落(luo)的(de)(de)主要(yao)原(yuan)因有(you):表(biao)面氧(yang)化(hua)(hua)、有(you)硅化(hua)(hua)合(he)物、冷(leng)扎乳化(hua)(hua)液太(tai)臟、NOF段(duan)氧(yang)化(hua)(hua)氣氛(fen)及(ji)保(bao)護(hu)氣體露點太(tai)高、空燃比(bi)不(bu)(bu)合(he)理、氫氣流量偏(pian)低(di)、爐子有(you)氧(yang)滲入(ru),帶鋼(gang)(gang)入(ru)鍋溫度(du)偏(pian)低(di),RWP段(duan)爐壓(ya)偏(pian)低(di)及(ji)爐門吸風、NOF段(duan)爐溫偏(pian)低(di),油脂(zhi)蒸發不(bu)(bu)盡、鋅(xin)鍋鋁(lv)含量偏(pian)低(di)、機組速(su)度(du)太(tai)快、還原(yuan)不(bu)(bu)充分(fen)、鋅(xin)液中停留時間太(tai)短、鍍(du)(du)層(ceng)偏(pian)厚(hou)。白(bai)銹和黑斑產(chan)(chan)(chan)生的(de)(de)原(yuan)因有(you):黑斑是白(bai)銹進一(yi)步氧(yang)化(hua)(hua)形成(cheng)的(de)(de)鍍(du)(du)鋅(xin)板的(de)(de)特點與用(yong)途。鍍(du)(du)鋅(xin)卷(juan)板是以熱軋鋼(gang)(gang)帶或冷(leng)軋鋼(gang)(gang)帶為基板,經過連續熱浸鍍(du)(du)鋅(xin)工藝而生產(chan)(chan)(chan)出來(lai)的(de)(de), 產(chan)(chan)(chan)品具有(you)耐(nai)腐蝕強、 表(biao)面質量好、有(you)利于深加工、經濟實用(yong)等(deng)特點。
隨著鋼(gang)結構(gou)(gou)(gou)在(zai)建(jian)筑材料中的(de)(de)興起,越來(lai)越多的(de)(de)人選擇使用(yong)(yong)鋼(gang)結構(gou)(gou)(gou)樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)了,鋼(gang)結構(gou)(gou)(gou)構(gou)(gou)(gou)件工(gong)(gong)廠產(chan)業化生產(chan)大(da)(da)(da)大(da)(da)(da)縮短了工(gong)(gong)程工(gong)(gong)期,而樓(lou)(lou)(lou)板(ban)(ban)(ban)(ban)的(de)(de)施(shi)工(gong)(gong)方法卻成為影響工(gong)(gong)期的(de)(de)重要因(yin)素。采用(yong)(yong)那(nei)一代樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)對于(yu)樓(lou)(lou)(lou)板(ban)(ban)(ban)(ban)的(de)(de)耐火性能也(ye)(ye)有(you)區別。樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)的(de)(de)厚(hou)度(du)一般都是按保(bao)險(xian)起見設計的(de)(de)比較厚(hou),正(zheng)常(chang)情況(kuang)下鋼(gang)梁之(zhi)間的(de)(de)跨(kua)度(du)在(zai)2m以(yi)內(nei)樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)厚(hou)度(du)在(zai)0.75-0.8mm就(jiu)(jiu)(jiu)可(ke)以(yi)了,2-2.5m樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)厚(hou)度(du)用(yong)(yong)0.8-1.0就(jiu)(jiu)(jiu)可(ke)以(yi)了,跨(kua)度(du)在(zai)3-4米樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)厚(hou)度(du)用(yong)(yong)1.5mm,超過5m的(de)(de)跨(kua)度(du)是用(yong)(yong)臨時支(zhi)撐(cheng),因(yin)素就(jiu)(jiu)(jiu)是混泥土澆(jiao)筑的(de)(de)高度(du),混泥土澆(jiao)筑的(de)(de)越高,樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)所需要的(de)(de)厚(hou)度(du)也(ye)(ye)就(jiu)(jiu)(jiu)越厚(hou),還有(you)一個大(da)(da)(da)家容易忽略的(de)(de)因(yin)素就(jiu)(jiu)(jiu)是螺釘(ding)的(de)(de)好(hao)壞也(ye)(ye)是決(jue)定樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)厚(hou)度(du)的(de)(de),螺釘(ding)越好(hao)樓(lou)(lou)(lou)承板(ban)(ban)(ban)(ban)的(de)(de)承載(zai)力就(jiu)(jiu)(jiu)越強。
堆(dui)積樓承(cheng)板(ban)的(de)地坪應(ying)基本平坦,鋼(gang)(gang)筋桁架樓承(cheng)板(ban)堆(dui)積不宜過(guo)高,每堆(dui)不超越(yue)60張。樓承(cheng)板(ban)運至(zhi)現場,需妥善(shan)保護(hu),不得有(you)任何損壞和(he)污(wu)染,特別(bie)(bie)不得感(gan)染油(you)污(wu)。樓承(cheng)板(ban)應(ying)根據排(pai)版圖預先(xian)切(qie)開、編號。起(qi)(qi)吊(diao)前,每捆(kun)(kun)要有(you)兩條鋼(gang)(gang)絲繩,分別(bie)(bie)捆(kun)(kun)于兩頭四分之一鋼(gang)(gang)板(ban)長度(du)處(chu),采用專用吊(diao)具吊(diao)起(qi)(qi)。應(ying)先(xian)行(xing)試(shi)吊(diao),檢查重心是否(fou)(fou)穩定,鋼(gang)(gang)索是否(fou)(fou)會(hui)滑動,待牢靠(kao),無(wu)慮時(shi)方可(ke)吊(diao)起(qi)(qi)。起(qi)(qi)吊(diao)時(shi),應(ying)從(cong)下(xia)往上(shang)樓層次序吊(diao)料為原則,避(bi)免(mian)(mian)因(yin)先(xian)行(xing)吊(diao)放上(shang)層資料后(hou),阻止下(xia)面樓層的(de)吊(diao)放作(zuo)業(ye)。整疊樓承(cheng)板(ban)放梁面時(shi),應(ying)考慮梁的(de)承(cheng)載能力,避(bi)免(mian)(mian)因(yin)集(ji)中載荷(he)過(guo)大,造成梁的(de)變形。樓承(cheng)板(ban)吊(diao)至(zhi)樓層,暫時(shi)不鋪(pu)設時(shi),應(ying)作(zuo)牢靠(kao)固定,避(bi)免(mian)(mian)飛落和(he)滑落傷人(ren)。