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常(chang)州(zhou)正久(jiu)暖通(tong)設備(bei)工(gong)程有限(xian)公司從事常(chang)州(zhou)鎂質風(feng)管(guan)(guan)加(jia)(jia)工(gong)安(an)裝,常(chang)州(zhou)鋼面(mian)鎂質風(feng)管(guan)(guan),常(chang)州(zhou)鎂質防火風(feng)管(guan)(guan),常(chang)州(zhou)鎂質高晶風(feng)管(guan)(guan),以及白鐵通(tong)風(feng)管(guan)(guan)道,不銹(xiu)鋼鍍鋅風(feng)管(guan)(guan)加(jia)(jia)工(gong),風(feng)管(guan)(guan)配(pei)件加(jia)(jia)工(gong),自己有施工(gong)團(tuan)隊(dui)和大(da)型精密(mi)風(feng)管(guan)(guan)生產設備(bei)多臺。歡迎(ying)咨(zi)詢參觀!
復合防火風管
做法要求:
防排(pai)煙風(feng)(feng)(feng)(feng)管(guan)選用(yong)SWG防腐耐火型鎂(mei)質高晶板裝(zhuang)配(pei)式(shi)(shi)風(feng)(feng)(feng)(feng)管(guan),風(feng)(feng)(feng)(feng)管(guan)板材厚度根據管(guan)徑(jing)大(da)小(xiao)按規范配(pei)型,管(guan)徑(jing)邊長小(xiao)于(yu)1000用(yong)5mm,管(guan)徑(jing)邊長大(da)于(yu)1000小(xiao)于(yu)1600的用(yong)6mm,鎂(mei)質高晶風(feng)(feng)(feng)(feng)管(guan)加工安裝(zhuang),管(guan)徑(jing)邊長大(da)于(yu)1600用(yong)8mm的燃(ran)燒(shao)性能A1級,耐火極限2小(xiao)時,游離氯離子含量低于(yu)0.5%,抗折荷載≥1500N,通風(feng)(feng)(feng)(feng)耐壓≥2500pa,風(feng)(feng)(feng)(feng)管(guan)組裝(zhuang)方(fang)式(shi)(shi)風(feng)(feng)(feng)(feng)管(guan)可以采用(yong)不燃(ran)A1級金(jin)屬角條配(pei)件(jian)拼裝(zhuang),風(feng)(feng)(feng)(feng)管(guan)連(lian)接可釆(bian)用(yong)不燃(ran)A1級金(jin)屬法蘭條配(pei)件(jian)連(lian)接,法蘭密(mi)封(feng)材料宜采用(yong)阻燃(ran)柔性密(mi)封(feng)材料。
常(chang)(chang)州(zhou)(zhou)(zhou)正久暖通(tong)設(she)備工(gong)(gong)程有(you)限公司(si)從(cong)事(shi)常(chang)(chang)州(zhou)(zhou)(zhou)鎂(mei)質(zhi)風(feng)(feng)管(guan)加工(gong)(gong)安裝(zhuang),常(chang)(chang)州(zhou)(zhou)(zhou)鋼面鎂(mei)質(zhi)風(feng)(feng)管(guan),常(chang)(chang)州(zhou)(zhou)(zhou)鎂(mei)質(zhi)防火風(feng)(feng)管(guan),常(chang)(chang)州(zhou)(zhou)(zhou)鎂(mei)質(zhi)高晶風(feng)(feng)管(guan),以及白鐵通(tong)風(feng)(feng)管(guan)道,不銹(xiu)鋼鍍鋅風(feng)(feng)管(guan)加工(gong)(gong),風(feng)(feng)管(guan)配(pei)件加工(gong)(gong),自己有(you)施工(gong)(gong)團隊和大型(xing)精密風(feng)(feng)管(guan)生產設(she)備多(duo)臺。歡迎(ying)咨(zi)詢參觀!
不銹鋼風(feng)(feng)管(guan)在制作(zuo)過程(cheng)中(zhong)的(de)(de)(de)(de)防(fang)變(bian)形(xing)處(chu)理。①在制作(zuo)較復雜(za)形(xing)狀的(de)(de)(de)(de)配件時先(xian)下(xia)好樣板(ban),鎂質高(gao)晶風(feng)(feng)管(guan)加工工廠,再(zai)在不銹鋼板(ban)上(shang)劃線下(xia)料(liao),以(yi)免下(xia)錯料(liao)引起(qi)返(fan)工、產生(sheng)不必要的(de)(de)(de)(de)變(bian)形(xing)。②盡量(liang)使用機械加工,如剪切(qie)、折邊、咬(yao)口等做到一次(ci)成(cheng)型,減少(shao)(shao)手(shou)工操(cao)作(zuo),因板(ban)材經錘擊(ji)敲打會引起(qi)內應力造(zao)成(cheng)不均(jun)勻的(de)(de)(de)(de)變(bian)形(xing),敲打次(ci)數越(yue)多應力就越(yue)大(da)、板(ban)材變(bian)硬、造(zao)成(cheng)加工困難、容(rong)易(yi)產生(sheng)變(bian)形(xing)。③采用正確的(de)(de)(de)(de)焊(han)(han)接順(shun)序和組對方法:焊(han)(han)接時宜從中(zhong)間往兩頭逆向分段施(shi)焊(han)(han),使風(feng)(feng)管(guan)焊(han)(han)縫均(jun)勻地受熱(re)和冷卻(que),鎂質高(gao)晶風(feng)(feng)管(guan)制作(zuo)工廠,以(yi)減少(shao)(shao)變(bian)形(xing);組對焊(han)(han)接時先(xian)將(jiang)風(feng)(feng)管(guan)點(dian)焊(han)(han)后(hou),用夾具將(jiang)其固(gu)定(ding)后(hou)再(zai)進行(xing)焊(han)(han)接,焊(han)(han)接時形(xing)成(cheng)的(de)(de)(de)(de)高(gao)溫,在冷卻(que)過程(cheng)中(zhong)所產生(sheng)的(de)(de)(de)(de)收縮變(bian)形(xing)由夾具克服,達到防(fang)止變(bian)形(xing)的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)。④變(bian)形(xing)后(hou)的(de)(de)(de)(de)矯正,焊(han)(han)后(hou)用木(mu)錘或(huo)銅錘另一側襯(chen)墊(dian)板(ban)(與風(feng)(feng)管(guan)同弧度)進行(xing)錘擊(ji)矯正,常州鎂質高(gao)晶風(feng)(feng)管(guan),錘擊(ji)時用力均(jun)勻、不得(de)猛烈敲擊(ji)。
常(chang)(chang)州(zhou)(zhou)正久暖通設備(bei)工程有(you)限(xian)公司從事常(chang)(chang)州(zhou)(zhou)鎂(mei)(mei)質風(feng)管(guan)(guan)加(jia)(jia)工安(an)裝,常(chang)(chang)州(zhou)(zhou)鋼面鎂(mei)(mei)質風(feng)管(guan)(guan),常(chang)(chang)州(zhou)(zhou)鎂(mei)(mei)質防(fang)火風(feng)管(guan)(guan),常(chang)(chang)州(zhou)(zhou)鎂(mei)(mei)質高晶風(feng)管(guan)(guan),以及白鐵通風(feng)管(guan)(guan)道,不(bu)銹鋼鍍鋅風(feng)管(guan)(guan)加(jia)(jia)工,風(feng)管(guan)(guan)配(pei)件加(jia)(jia)工,自己(ji)有(you)施(shi)工團隊和大型精密風(feng)管(guan)(guan)生(sheng)產設備(bei)多臺。歡迎咨詢參觀!
通風(feng)(feng)(feng)(feng)(feng)(feng)與空調(diao)工程施工中的風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)是(shi)我(wo)們生活(huo)中常見的機電產品。風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)是(shi)用(yong)(yong)于(yu)空氣輸送和(he)分(fen)(fen)布的管(guan)(guan)(guan)(guan)道,常用(yong)(yong)于(yu)送風(feng)(feng)(feng)(feng)(feng)(feng)、排煙(yan)、除塵系統等。風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可按截(jie)面形(xing)狀(zhuang)和(he)材質分(fen)(fen)類,按截(jie)面形(xing)狀(zhuang),風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可分(fen)(fen)為圓(yuan)形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、扁(bian)圓(yuan)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等多種,其中圓(yuan)形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)阻(zu)力小但高度(du)尺寸大(da),制作復雜。所以應用(yong)(yong)以矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)為主。按材質,風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可分(fen)(fen)為金屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、復合風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等。
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