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青島凈化車間吊頂焊接工藝

作(zuo)者: 時間:2021-05-26 14:08:29點擊(ji):18225次

  一、工藝流程

  a)吊頂保溫安裝(zhuang)工藝(yi):排版--龍骨安裝(zhuang)--保溫板就位固定--調(diao)整--細部處理。

  b)排版:根椐(ju)施工(gong)圖(tu)紙及實際結(jie)構確定吊頂板排版。

  c)龍(long)骨(gu)安裝(zhuang):采用(yong)¢12鍍(du)鋅吊桿作為吊筋,40*80*2mm鍍(du)鋅方管作為主龍(long)骨(gu),間(jian)距1.8m(根據實(shi)際檁條預留(liu)孔調整),40*60*1.5mm鍍(du)鋅方管作為次龍(long)骨(gu),間(jian)距1.78m~3.5m(參(can)照檁條間(jian)距),龍(long)骨(gu)連接處焊(han)接。

東莞松山湖實驗室

  d)保溫(wen)板(ban)(ban)(ban)(ban)就位固定(ding):將保溫(wen)板(ban)(ban)(ban)(ban)提(ti)升至安裝高度,將保溫(wen)板(ban)(ban)(ban)(ban)就位找(zhao)正找(zhao)平后采用自攻釘將板(ban)(ban)(ban)(ban)固定(ding)于龍骨上。然后安裝下一張頂板(ban)(ban)(ban)(ban),用緊線(xian)器(qi)打緊兩(liang)張板(ban)(ban)(ban)(ban),確保板(ban)(ban)(ban)(ban)與(yu)板(ban)(ban)(ban)(ban)之間結合緊密(mi),依(yi)次安裝,直至頂板(ban)(ban)(ban)(ban)安裝完畢(bi),并進行相關(guan)洞口(kou)的開(kai)口(kou)。

  e)調整:板安裝(zhuang)完畢后,進(jin)行調平(ping)。

  f)細(xi)部(bu)(bu)處理(li):頂庫板全(quan)部(bu)(bu)安裝完成(cheng)后,對板板接(jie)縫(feng)要(yao)進(jin)(jin)(jin)行打膠處理(li),其他預留縫(feng)隙(xi)采用(yong)聚氨酯發泡進(jin)(jin)(jin)行填(tian)滿,吊頂下部(bu)(bu)邊縫(feng)采用(yong)圓(yuan)弧(hu)鋁(lv)進(jin)(jin)(jin)行收邊,中縫(feng)采用(yong)平板鋁(lv)合金(jin)進(jin)(jin)(jin)行收邊。上部(bu)(bu)縫(feng)隙(xi)不進(jin)(jin)(jin)行收邊處理(li),處理(li)完畢后再進(jin)(jin)(jin)行整體(ti)清(qing)潔。

  二、連接點處理考慮(lv)到使用過程中可能出現(xian)的正負風壓問題,我方(fang)采用以(yi)下方(fang)式進(jin)行解決(jue):

  a)在主龍(long)骨吊桿(gan)上加裝剛性(xing)(xing)支撐(cheng),以屋(wu)面檁條為(wei)參照,每(mei)隔(ge)一道(dao)(dao)屋(wu)面檁條在相應的主龍(long)骨吊桿(gan)上加裝剛性(xing)(xing)支撐(cheng),共十道(dao)(dao),其中(zhong)(zhong)靠(kao)兩邊四道(dao)(dao)為(wei)剛性(xing)(xing)套(tao)管(guan)(guan)(3.2*2.5套(tao)管(guan)(guan)),剛性(xing)(xing)支撐(cheng)間(jian)(jian)距為(wei)3.6m,考慮到鋼管(guan)(guan)長(chang)細比限制,中(zhong)(zhong)間(jian)(jian)六道(dao)(dao)采用(yong)(yong)方(fang)管(guan)(guan)現(xian)場(chang)制作,每(mei)個(ge)剛性(xing)(xing)支采用(yong)(yong)兩道(dao)(dao)40*60*1.5mm鍍鋅方(fang)管(guan)(guan)連接并與上部屋(wu)面檁條用(yong)(yong)自(zi)攻絲連接,剛性(xing)(xing)支撐(cheng)間(jian)(jian)距為(wei)3.6m。

  b)周圈(quan)(quan)龍骨與(yu)墻(qiang)體之間采(cai)取半(ban)剛性支撐,采(cai)用50mm款(50)角鐵(tie)件一端(duan)與(yu)墻(qiang)體固定(ding),一端(duan)截面上開(kai)孔(kong)(孔(kong)尺寸(cun)為12mm*36mm)并(bing)與(yu)周圈(quan)(quan)龍骨連接,之間預留20~30mm縫隙作(zuo)為活(huo)動(dong)量。