保冷(leng)墊(dian)木的應用(yong)範圍有哪(na)些(xie)?
發布(bu)時間(jian): 2015-11-26 點(dian)擊(ji)次數: 1212次
保冷(leng)墊(dian)木的加工要規(gui)整(zheng),做(zuo)工要精(jing)細(xi),要(yao)做(zuo)好防(fang)腐(fu),誤(wu)差(cha)在要求(qiu)範圍以內,保冷(leng)墊(dian)木與管(guan)道(dao)連(lian)接(jie)緊(jin)密(mi),固定(ding)應牢(lao)固,固定(ding)在官道(dao)上的保冷(leng)墊(dian)木不(bu)得(de)影響結構(gou)安全。不(bu)同(tong)的管(guan)道(dao)需用(yong)不(bu)同(tong)的木材(cai)加工制(zhi)作(zuo),按照(zhao)設計及施(shi)工規範要(yao)求(qiu)進(jin)行(xing)設置(zhi)。當(dang)銅(tong)管(guan)道(dao)不(bu)與鋼(gang)管(guan)或(huo)鑄鐵管(guan)平(ping)行(xing)時,應用(yong)橡膠(jiao)墊(dian)隔(ge)開(kai),當各種(zhong)管(guan)材(cai)為綜(zong)合(he)支架時(shi),綜(zong)合(he)支架間(jian)距(ju)取(qu)大管(guan)設(she)置間(jian)距(ju),小(xiao)管(guan)再(zai)補(bu)充單獨的保冷(leng)墊(dian)木。保冷(leng)塊(kuai)在管(guan)道(dao)安(an)裝時(shi)對低溫(wen)流體(ti)等取保冷(leng)保護(hu)與外界環(huan)境(jing)溫(wen)度隔(ge)絕。如(ru)果(guo)保冷(leng)層(ceng)內有小(xiao)的缺陷(xian),如(ru)裂(lie)縫(feng)、裂(lie)痕(hen)等,就會(hui)對管(guan)內的低(di)溫(wen)流體(ti)產(chan)生(sheng)較大的影響。如(ru)保冷(leng)不(bu)當(dang),水(shui)蒸汽(qi)從外界透(tou)過保冷(leng)層(ceng)就會(hui)產生結露,進(jin)而(er)結冰。
必(bi)須(xu)從材(cai)料方(fang)面考慮,采用濕(shi)氣滲透性較低(di)的保冷(leng)材(cai)料,外表(biao)面也應采(cai)用可(ke)防(fang)水(shui)的另(ling)壹種(zhong)保冷(leng)材(cai)料。與熱保溫(wen)不(bu)同(tong),法蘭,閥(fa)門和儀表不(bu)能露在外面,而要用保冷(leng)材(cai)料包(bao)住。在這(zhe)壹方(fang)面的技(ji)術(shu)主(zhu)要體現(xian)在改進(jin)汽(qi)車動力系(xi)統(tong)上,保冷(leng)墊(dian)木通(tong)過對傳統內燃(ran)機技(ji)術(shu)的改(gai)進(jin)來(lai)達到(dao)節(jie)能減(jian)排的目(mu)的。提(ti)高壓縮(suo)比、改善(shan)混合(he)氣在氣缸中(zhong)的流(liu)動(dong)方(fang)式、提(ti)高點火能量、增壓中冷技(ji)術(shu)、電(dian)控(kong)燃(ran)油(you)噴(pen)射(she)技(ji)術(shu)、高(gao)壓共軌(gui)技(ji)術(shu)、直(zhi)噴(pen)技(ji)術(shu)、稀(xi)燃技(ji)術(shu)、優(you)化燃(ran)燒過程(cheng)、可(ke)變(bian)進(jin)氣技(ji)術(shu)、改(gai)善進排氣過程(cheng)、絕熱發動(dong)機技(ji)術(shu)等。