伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)應(ying)與主(zhu)管(guan)(guan)(guan)(guan)(guan)平行(xing)安(an)裝,并應(ying)自行(xing)排(pai)液。當一根(gen)主(zhu)管(guan)(guan)(guan)(guan)(guan)需要多根(gen)伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)伴(ban)(ban)熱(re)時,伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)之間(jian)的(de)距離應(ying)固定。水平伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)宜安(an)裝在(zai)(zai)主(zhu)管(guan)(guan)(guan)(guan)(guan)下方或(huo)靠近支(zhi)架的(de)側面(mian),鉛垂(chui)伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)應(ying)均勻分布在(zai)(zai)主(zhu)管(guan)(guan)(guan)(guan)(guan)周(zhou)圍,不(bu)得(de)將(jiang)伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)直(zhi)接點焊(han)在(zai)(zai)主(zhu)管(guan)(guan)(guan)(guan)(guan)上(shang),而可采(cai)用綁扎(zha)帶(dai)或(huo)鍍鋅鐵絲等(deng)固定在(zai)(zai)主(zhu)管(guan)(guan)(guan)(guan)(guan)上(shang)。彎(wan)頭部位的(de)伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)綁扎(zha)帶(dai)不(bu)得(de)少(shao)于3道(dao),直(zhi)伴(ban)(ban)熱(re)管(guan)(guan)(guan)(guan)(guan)綁扎(zha)點間(jian)距應(ying)符合表(biao)3一7的(de)規(gui)定。
對不允(yun)許與主管(guan)(guan)(guan)直接接觸(chu)的(de)(de)(de)伴熱管(guan)(guan)(guan),在(zai)伴熱管(guan)(guan)(guan)與主管(guan)(guan)(guan)間(jian)應(ying)(ying)(ying)有隔離(li)(li)墊。當主管(guan)(guan)(guan)為不銹鋼(gang)管(guan)(guan)(guan),伴熱管(guan)(guan)(guan)為碳鋼(gang)管(guan)(guan)(guan)時(shi),隔離(li)(li)墊宜采用氯離(li)(li)子含量(liang)不超過50μg/g石棉墊,并應(ying)(ying)(ying)采用不銹鋼(gang)絲等不引起滲碳的(de)(de)(de)材料(liao)綁扎。伴熱管(guan)(guan)(guan)經過主法蘭時(shi),伴熱管(guan)(guan)(guan)應(ying)(ying)(ying)相應(ying)(ying)(ying)設置可拆卸的(de)(de)(de)連(lian)接件。從分配站(zhan)到(dao)各(ge)被伴熱主管(guan)(guan)(guan)和(he)離(li)(li)開(kai)主管(guan)(guan)(guan)到(dao)收集站(zhan)之間(jian)的(de)(de)(de)伴熱管(guan)(guan)(guan)安(an)裝,應(ying)(ying)(ying)排列整齊,不宜互相跨越和(he)就近斜穿(chuan)。安(an)裝夾(jia)套(tao)(tao)管(guan)(guan)(guan)的(de)(de)(de)連(lian)通管(guan)(guan)(guan)時(shi),應(ying)(ying)(ying)盡量(liang)焊接在(zai)夾(jia)套(tao)(tao)管(guan)(guan)(guan)的(de)(de)(de)端頭處(chu),防止套(tao)(tao)管(guan)(guan)(guan)內存液。套(tao)(tao)管(guan)(guan)(guan)端頭的(de)(de)(de)水(shui)平連(lian)通管(guan)(guan)(guan),宜用套(tao)(tao)管(guan)(guan)(guan)底部(bu)沿切線方向引出與接人。連(lian)通管(guan)(guan)(guan)安(an)裝應(ying)(ying)(ying)便于操作與維修,盡量(liang)貼近套(tao)(tao)管(guan)(guan)(guan),達到(dao)結構緊湊、外型美觀和(he)定位可靠。夾(jia)套(tao)(tao)上多(duo)余的(de)(de)(de)連(lian)通管(guan)(guan)(guan)管(guan)(guan)(guan)口,應(ying)(ying)(ying)在(zai)系(xi)統吹(chui)掃合格后隔熱施工前(qian)予(yu)以封焊。