當水平(ping)管(guan)(guan)(guan)道向上(shang)(shang)垂(chui)直彎(wan)曲成為(wei)立管(guan)(guan)(guan)敷設(she)時,除在立管(guan)(guan)(guan)上(shang)(shang)安裝支承(cheng)立管(guan)(guan)(guan)支架(jia)外,在彎(wan)管(guan)(guan)(guan)處還(huan)要用固定托(tuo)架(jia)將立管(guan)(guan)(guan)托(tuo)住,該托(tuo)架(jia)要承(cheng)受立管(guan)(guan)(guan)及保溫層、立管(guan)(guan)(guan)上(shang)(shang)裝設(she)的閥門(men)附件等重量。
彎管用(yong)固定(ding)托架可用(yong)管柱(即(ji)一(yi)段管子(zi))支托,也可用(yong)鋼板(ban)(ban)作(zuo)成工(gong)字形支托,其結構形式如圖2-25所示。支托焊(han)在柱腳(jiao)板(ban)(ban)上,柱腳(jiao)板(ban)(ban)可與地腳(jiao)螺栓固定(ding),或(huo)與基礎(chu)的(de)預埋(mai)鋼板(ban)(ban)合而為一(yi)。
DN100~300的彎管固定托架(jia)材料規格見表2-11.
管道安裝(zhuang)得是(shi)(shi)否安全、牢固、平直(zhi)、符合坡度要求等(deng),其重(zhong)要條(tiao)件是(shi)(shi)支、吊(diao)架(jia)設計(ji)、制(zhi)作(zuo)、安裝(zhuang)等(deng)各環節是(shi)(shi)否正確(que)。