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。