換熱器(qi)中(zhong),內嵌管板是一種(zhong)重要的組成部件,現有的管板兼做法蘭的鈦換熱器(qi)存在以下不(bu)足:

　　一、由于鈦材與其他材質無法焊接的特(te)性,法蘭(lan)和管(guan)板都(dou)需要鈦材,因此(ci),較大的增加了鈦材使(shi)用量。

　　二、由于鈦(tai)材厚(hou)度對設計(ji)壓力(li)影(ying)響較大,因此(ci),當設計(ji)壓力(li)增(zeng)加(jia)時,法(fa)蘭和管板厚(hou)度將同步增(zeng)加(jia)。

　　為(wei)此研究人員研究出了(le)一種(zhong)適應不同設(she)計壓(ya)力,同時可以采用襯環活套(tao)法(fa)蘭結(jie)構(gou)的(de)內嵌管鈦換熱器。

　　該三層(ceng)(ceng)復(fu)合(he)管(guan)(guan)板(ban)鈦式換熱(re)器的結構包括(kuo)管(guan)(guan)板(ban)、定(ding)距(ju)管(guan)(guan)、拉(la)桿(gan)、螺(luo)母、防松(song)(song)支(zhi)耳(er)、支(zhi)撐板(ban)、U形(xing)(xing)換熱(re)管(guan)(guan),U形(xing)(xing)換熱(re)管(guan)(guan)為(wei)多根,多根U形(xing)(xing)換熱(re)管(guan)(guan)重疊(die)在(zai)一(yi)起后穿過(guo)管(guan)(guan)板(ban),U形(xing)(xing)換熱(re)管(guan)(guan)通(tong)過(guo)防松(song)(song)支(zhi)耳(er)固定(ding)在(zai)支(zhi)撐板(ban)上(shang),防松(song)(song)支(zhi)耳(er)為(wei)多片(pian),多片(pian)防松(song)(song)支(zhi)耳(er)等間(jian)距(ju)設置(zhi),防松(song)(song)支(zhi)耳(er)之(zhi)間(jian)設置(zhi)定(ding)距(ju)管(guan)(guan),拉(la)桿(gan)一(yi)端連接在(zai)管(guan)(guan)板(ban)上(shang),另一(yi)端穿過(guo)定(ding)距(ju)管(guan)(guan)、防松(song)(song)支(zhi)耳(er)后通(tong)過(guo)螺(luo)母壓緊(jin),管(guan)(guan)板(ban)采用(yong)三層(ceng)(ceng)復(fu)合(he)材料制(zhi)成(cheng)。防松(song)(song)支(zhi)耳(er)為(wei)五片(pian)。防松(song)(song)支(zhi)耳(er)與(yu)(yu)支(zhi)撐板(ban)之(zhi)間(jian)為(wei)固定(ding)連接。U形(xing)(xing)換熱(re)管(guan)(guan)與(yu)(yu)管(guan)(guan)板(ban)之(zhi)間(jian)設置(zhi)緩沖套。U形(xing)(xing)換熱(re)管(guan)(guan)與(yu)(yu)管(guan)(guan)板(ban)之(zhi)間(jian)的緩沖套選用(yong)鋼材。U形(xing)(xing)換熱(re)管(guan)(guan)穿過(guo)管(guan)(guan)板(ban)后與(yu)(yu)管(guan)(guan)板(ban)進(jin)行焊(han)接。管(guan)(guan)板(ban)的各層(ceng)(ceng)分別選用(yong)TA9+Q345R+TA9。

　　由于將U形(xing)(xing)換熱管(guan)(guan)(guan)穿過管(guan)(guan)(guan)板(ban)后(hou)(hou)與(yu)管(guan)(guan)(guan)板(ban)進(jin)行(xing)焊(han)(han)(han)接,且(qie)在U形(xing)(xing)換熱管(guan)(guan)(guan)與(yu)管(guan)(guan)(guan)板(ban)之間(jian)設置緩沖套(tao),U形(xing)(xing)換熱管(guan)(guan)(guan)穿過管(guan)(guan)(guan)板(ban)后(hou)(hou)再(zai)進(jin)行(xing)焊(han)(han)(han)接,而且(qie)U形(xing)(xing)換熱管(guan)(guan)(guan)根(gen)據材料與(yu)管(guan)(guan)(guan)板(ban)的(de)鈦層(ceng)焊(han)(han)(han)接,U形(xing)(xing)換熱管(guan)(guan)(guan)與(yu)管(guan)(guan)(guan)板(ban)之間(jian)的(de)緩沖套(tao)與(yu)管(guan)(guan)(guan)板(ban)的(de)中間(jian)層(ceng)焊(han)(han)(han)接,同等強度(du)下所需要(yao)管(guan)(guan)(guan)板(ban)厚度(du)越薄,減(jian)低了成(cheng)本(ben),并(bing)可以與(yu)其他(ta)材質管(guan)(guan)(guan)路(lu)隨意焊(han)(han)(han)接。

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