壓縮空氣管道安裝程序

   質料出(chu)場——質料查驗(yan)——支(zhi)架制(zhi)作——支(zhi)架安(an)置— —管材下料——坡(po)口(kou)加工(gong)——焊接或螺紋加工(gong)——配件組(zu)裝(zhuang)——地面組(zu)裝(zhuang)——就位——毗連——牢固—— 吹掃、試(shi)驗(yan)辦法準備(bei)—吹掃—強度試(shi)驗(yan)—精密(mi)性(xing)試(shi)驗(yan) ——泄(xie)壓——防腐施(shi)工(gong)—正式(shi)通氣。

壓縮氛圍管道安置要求

   壓(ya)縮氛圍管(guan)(guan)(guan)(guan)(guan)(guan)道可(ke)(ke)接(jie)(jie)(jie)納焊(han)(han)接(jie)(jie)(jie)鋼管(guan)(guan)(guan)(guan)(guan)(guan)或無(wu)(wu)縫(feng)鋼管(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)道，彎(wan)頭(tou)(tou)應(ying)(ying)盡量接(jie)(jie)(jie)納煨制彎(wan)頭(tou)(tou)，其彎(wan)曲半徑不(bu)該小于公稱(cheng)直(zhi)(zhi)徑3倍，橢圓度(du)(du)不(bu)大(da)于8%。管(guan)(guan)(guan)(guan)(guan)(guan)道經切(qie)割、鉆孔與焊(han)(han)接(jie)(jie)(jie)完畢后(hou)，管(guan)(guan)(guan)(guan)(guan)(guan)內(nei)應(ying)(ying)清理潔凈，不(bu)容許留有(you)金屬(shu)熔(rong)渣，渣滓物(wu)及其他臟(zang)物(wu)。 管(guan)(guan)(guan)(guan)(guan)(guan)道體系中(zhong)全部(bu)(bu)支、吊(diao)架(jia)安(an)(an)(an)置(zhi)(zhi)(zhi)應(ying)(ying)牢固(gu)、位置(zhi)(zhi)(zhi)準(zhun)確，無(wu)(wu)歪斜，松動現(xian)象。豎直(zhi)(zhi)安(an)(an)(an)置(zhi)(zhi)(zhi)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道應(ying)(ying)垂(chui)直(zhi)(zhi)，長(chang)(chang)(chang)(chang)度(du)(du)在 4m 以上(shang)時容許傾(qing)斜 12mm，在 4m 以內(nei)時容許傾(qing)斜 4mm， 安(an)(an)(an)置(zhi)(zhi)(zhi)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道應(ying)(ying)有(you)一定的(de)(de)坡度(du)(du)，其坡度(du)(du)大(da)小不(bu)得超過0.0005。管(guan)(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)置(zhi)(zhi)(zhi)完畢應(ying)(ying)用(yong)壓(ya)縮氛圍吹洗，吹除管(guan)(guan)(guan)(guan)(guan)(guan)內(nei)臟(zang)物(wu)。 管(guan)(guan)(guan)(guan)(guan)(guan)道外(wai)貌一樣，通常先(xian)涂刷(shua) 1-2 遍(bian)防銹漆，再涂刷(shua)一遍(bian)淺藍色調合面漆，埋地管(guan)(guan)(guan)(guan)(guan)(guan)道應(ying)(ying)刷(shua)瀝青漆。下料(liao)(liao)、憑據(ju)圖紙(zhi)(zhi)尺(chi)寸決定現(xian)實安(an)(an)(an)置(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)長(chang)(chang)(chang)(chang)度(du)(du)，并在材料(liao)(liao)中(zhong)按(an)(an)安(an)(an)(an)置(zhi)(zhi)(zhi)長(chang)(chang)(chang)(chang)度(du)(du)截取管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)，稱(cheng)為下料(liao)(liao)。圖紙(zhi)(zhi)中(zhong)通常都不(bu)標注(zhu)安(an)(an)(an)置(zhi)(zhi)(zhi)長(chang)(chang)(chang)(chang)度(du)(du)，而只給(gei)定了(le)部(bu)(bu)件、轉點(dian)、支架(jia)定位用(yong)的(de)(de)相對尺(chi)寸，所以只能憑據(ju)圖紙(zhi)(zhi)尺(chi)寸盤(pan)算出下料(liao)(liao)長(chang)(chang)(chang)(chang)度(du)(du)。 螺(luo)紋(wen)(wen)毗連的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)下料(liao)(liao)長(chang)(chang)(chang)(chang)度(du)(du)、圖紙(zhi)(zhi)尺(chi)寸減去(qu)配(pei)(pei)件中(zhong)必須有(you)管(guan)(guan)(guan)(guan)(guan)(guan)道部(bu)(bu)分的(de)(de)長(chang)(chang)(chang)(chang)度(du)(du)，也可(ke)(ke)以按(an)(an)管(guan)(guan)(guan)(guan)(guan)(guan)道在兩配(pei)(pei)件連接(jie)(jie)(jie)間的(de)(de)長(chang)(chang)(chang)(chang)度(du)(du)加上(shang)螺(luo)紋(wen)(wen)的(de)(de)長(chang)(chang)(chang)(chang)度(du)(du)來(lai)盤(pan)算。 焊(han)(han)接(jie)(jie)(jie)下料(liao)(liao)長(chang)(chang)(chang)(chang)度(du)(du)、圖紙(zhi)(zhi)尺(chi)寸減去(qu)配(pei)(pei)件長(chang)(chang)(chang)(chang)度(du)(du)和焊(han)(han)縫(feng)間隙，必要時再加上(shang)焊(han)(han)縫(feng)收縮量。 法蘭(lan)毗連的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)下料(liao)(liao)長(chang)(chang)(chang)(chang)度(du)(du)，圖紙(zhi)(zhi)尺(chi)寸減去(qu)法蘭(lan)厚(hou)度(du)(du)， 如一端法蘭(lan)，則應(ying)(ying)減去(qu)法蘭(lan)厚(hou)度(du)(du)的(de)(de) 1/2. 為取得安(an)(an)(an)置(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)，用(yong)鋸、氧-乙炔焰切(qie)割、機(ji)器切(qie)割等方式，在管(guan)(guan)(guan)(guan)(guan)(guan)材上(shang)截取，安(an)(an)(an)置(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)(duan)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)口必須平整(zheng)，無(wu)(wu)毛刺等缺陷，若有(you)缺陷，應(ying)(ying)用(yong)銼(cuo)刀(dao)(dao)、管(guan)(guan)(guan)(guan)(guan)(guan)口刮刀(dao)(dao)及砂輪等東西進行(xing)修整(zheng)。