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一般情(qing)況(kuang)下(xia)(xia),對(dui)同(tong)一組充(chong)氣(qi)中空玻(bo)(bo)(bo)璃(li)(li)的(de)(de)(de)(de)(de)慵懶氣(qi)體濃(nong)(nong)(nong)(nong)(nong)度(du)(du),在(zai)(zai)獨(du)立的(de)(de)(de)(de)(de)玻(bo)(bo)(bo)璃(li)(li)試(shi)驗(yan)室測量,應該與在(zai)(zai)工(gong)廠檢(jian)驗(yan)的(de)(de)(de)(de)(de)作用是(shi)(shi)相同(tong)的(de)(de)(de)(de)(de)。但(dan)是(shi)(shi),在(zai)(zai)我(wo)們對(dui)通過我(wo)國(guo)國(guo)家(jia)玻(bo)(bo)(bo)璃(li)(li)檢(jian)驗(yan)中心所(suo)收集的(de)(de)(de)(de)(de)充(chong)氣(qi)玻(bo)(bo)(bo)璃(li)(li)試(shi)驗(yan)數據進(jin)行研(yan)討時(shi),發現這種方法并(bing)不一定能(neng)樹立。由(you)廠家(jia)送檢(jian)給國(guo)家(jia)玻(bo)(bo)(bo)璃(li)(li)試(shi)驗(yan)中心的(de)(de)(de)(de)(de)充(chong)氣(qi)試(shi)驗(yan)單元上標(biao)記(ji)了(le)(le)由(you)四家(jia)具有(you)代(dai)表性的(de)(de)(de)(de)(de)中空玻(bo)(bo)(bo)璃(li)(li)制(zhi)造商所(suo)測量的(de)(de)(de)(de)(de)濃(nong)(nong)(nong)(nong)(nong)度(du)(du),該濃(nong)(nong)(nong)(nong)(nong)度(du)(du)大(da)(da)(da)大(da)(da)(da)超過了(le)(le)90%。不幸的(de)(de)(de)(de)(de)是(shi)(shi),大(da)(da)(da)約23%的(de)(de)(de)(de)(de)充(chong)氣(qi)試(shi)驗(yan)單元在(zai)(zai)國(guo)家(jia)玻(bo)(bo)(bo)璃(li)(li)試(shi)驗(yan)中心進(jin)行的(de)(de)(de)(de)(de)初始(shi)濃(nong)(nong)(nong)(nong)(nong)度(du)(du)試(shi)驗(yan)中閃現出了(le)(le)大(da)(da)(da)幅度(du)(du)的(de)(de)(de)(de)(de)濃(nong)(nong)(nong)(nong)(nong)度(du)(du)下(xia)(xia)降,未能(neng)通過85%的(de)(de)(de)(de)(de)初始(shi)濃(nong)(nong)(nong)(nong)(nong)度(du)(du)要求(qiu)。在(zai)(zai)這23%的(de)(de)(de)(de)(de)充(chong)氣(qi)試(shi)驗(yan)單元中,有(you)些濃(nong)(nong)(nong)(nong)(nong)度(du)(du)甚至急(ji)劇下(xia)(xia)降了(le)(le)40%到60%。
人(ren)們很自然(ran)會認為必定(ding)是氣(qi)體泄露(lu)構成了兩種(zhong)初始濃度測量(liang)作(zuo)用之(zhi)間(jian)的(de)(de)巨大(da)差異。但是,在對未能通過(guo)要(yao)(yao)求的(de)(de)各個單元(yuan)進行了更(geng)為細心的(de)(de)檢(jian)查之(zhi)后(hou)(hou),我們并沒(mei)有(you)發現用于提(ti)示氣(qi)體泄露(lu)的(de)(de)判別(bie)標準,例如(ru)低(di)質工藝(yi)水平(ping)、內(nei)向撓曲(qu)和(he)露(lu)點(dian)溫度升高,等等。與此相反,包括(kuo)密封(feng)膠的(de)(de)涂布質量(liang)和(he)間(jian)隔條的(de)(de)上框非常好(hao)。此外,出(chu)(chu)現低(di)濃度的(de)(de)充(chong)氣(qi)中空玻璃也沒(mei)有(you)出(chu)(chu)現向內(nei)撓曲(qu)的(de)(de)現象。終究(jiu)一點(dian),最重要(yao)(yao)的(de)(de)是,露(lu)點(dian)溫度在老化試驗前后(hou)(hou)相同滿意了≤-40℃。
清楚明了,對中空玻璃的(de)(de)慵懶(lan)氣體(ti)低(di)濃(nong)(nong)度(du)(du),假如用上述慵懶(lan)氣體(ti)泄(xie)露的(de)(de)現(xian)象來(lai)解說,是(shi)不能讓人信服(fu)的(de)(de),這一敵對情況對我們(men)構成了極大(da)的(de)(de)困擾,低(di)濃(nong)(nong)度(du)(du)到底(di)是(shi)由充(chong)氣質(zhi)量(liang)差仍是(shi)氣體(ti)泄(xie)露情況構成的(de)(de)?我們(men)發現(xian)很難說低(di)濃(nong)(nong)度(du)(du)是(shi)因為(wei)慵懶(lan)氣體(ti)充(chong)填差構成的(de)(de),因為(wei)中空玻璃出(chu)產(chan)商所進行的(de)(de)出(chu)產(chan)現(xian)場即(ji)期檢測(ce)說明濃(nong)(nong)度(du)(du)作用悉數(shu)在(zai)90%以(yi)上。
這種(zhong)敵(di)(di)對(dui)情況要求我(wo)們(men)進一(yi)步深化研討,以期(qi)提示(shi)發(fa)作問(wen)題(ti)的(de)(de)(de)原因。我(wo)們(men)的(de)(de)(de)研討發(fa)現(xian),運(yun)用(yong)的(de)(de)(de)氣(qi)(qi)(qi)體剖析(xi)(xi)(xi)儀(yi)和(he)(he)測量(liang)(liang)方法,在(zai)(zai)(zai)氣(qi)(qi)(qi)體渙(huan)散(san)前(qian)后檢(jian)驗(yan)濃(nong)(nong)度(du)(du)(du)關于(yu)上述老化試驗(yan)前(qian)后的(de)(de)(de)濃(nong)(nong)度(du)(du)(du),具有(you)顯著(zhu)的(de)(de)(de)影響。在(zai)(zai)(zai)四家(jia)(jia)中(zhong)(zhong)空玻(bo)璃(li)(li)(li)出(chu)(chu)(chu)產(chan)商中(zhong)(zhong),有(you)三家(jia)(jia)運(yun)用(yong)了(le)(le)高(gao)壓放電氣(qi)(qi)(qi)體剖析(xi)(xi)(xi)儀(yi),在(zai)(zai)(zai)充(chong)氣(qi)(qi)(qi)后立刻(ke)測量(liang)(liang)慵(yong)懶充(chong)氣(qi)(qi)(qi)玻(bo)璃(li)(li)(li)。在(zai)(zai)(zai)這種(zhong)現(xian)象下(xia)發(fa)現(xian)了(le)(le)兩(liang)個(ge)缺(que)點。首要,高(gao)壓放電氣(qi)(qi)(qi)體剖析(xi)(xi)(xi)儀(yi)并(bing)沒有(you)供給穿(chuan)插參照;其次,對(dui)充(chong)氣(qi)(qi)(qi)單(dan)(dan)元(yuan)進行的(de)(de)(de)現(xian)場即期(qi)試驗(yan)方法在(zai)(zai)(zai)邏(luo)輯(ji)上是(shi)差(cha)錯(cuo)的(de)(de)(de),因為(wei)各(ge)個(ge)單(dan)(dan)元(yuan)腔室內的(de)(de)(de)慵(yong)懶氣(qi)(qi)(qi)體濃(nong)(nong)度(du)(du)(du),在(zai)(zai)(zai)氣(qi)(qi)(qi)體渙(huan)散(san)之(zhi)前(qian)(大約需求6至(zhi)8個(ge)小時(shi)),是(shi)不均勻的(de)(de)(de)。在(zai)(zai)(zai)實踐中(zhong)(zhong),某些(xie)出(chu)(chu)(chu)產(chan)廠家(jia)(jia)會在(zai)(zai)(zai)充(chong)氣(qi)(qi)(qi)的(de)(de)(de)隔(ge)日上午(wu)測量(liang)(liang)各(ge)個(ge)單(dan)(dan)元(yuan)的(de)(de)(de)氣(qi)(qi)(qi)體濃(nong)(nong)度(du)(du)(du)。在(zai)(zai)(zai)渙(huan)散(san)結(jie)束之(zhi)前(qian),我(wo)們(men)無法檢(jian)測出(chu)(chu)(chu)是(shi)否是(shi)層流(liu)充(chong)填(tian)或(huo)紊流(liu)充(chong)填(tian),以至(zhi)于(yu)無法獲(huo)得充(chong)氣(qi)(qi)(qi)玻(bo)璃(li)(li)(li)的(de)(de)(de)實踐濃(nong)(nong)度(du)(du)(du)。此外(wai),我(wo)們(men)相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)發(fa)現(xian)在(zai)(zai)(zai)運(yun)用(yong)相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)的(de)(de)(de)試驗(yan)方法、但是(shi)采(cai)用(yong)了(le)(le)兩(liang)個(ge)不同(tong)(tong)(tong)的(de)(de)(de)高(gao)壓電火花型剖析(xi)(xi)(xi)儀(yi)時(shi)在(zai)(zai)(zai)測量(liang)(liang)方面的(de)(de)(de)某些(xie)敵(di)(di)對(dui)之(zhi)處,甚至(zhi)在(zai)(zai)(zai)渙(huan)散(san)之(zhi)后的(de)(de)(de)相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)單(dan)(dan)元(yuan)上相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)存在(zai)(zai)(zai)敵(di)(di)對(dui)。另一(yi)方面,相(xiang)(xiang)(xiang)(xiang)(xiang)比(bi)之(zhi)下(xia),在(zai)(zai)(zai)四家(jia)(jia)代表性(xing)出(chu)(chu)(chu)產(chan)商中(zhong)(zhong)僅有(you)一(yi)家(jia)(jia)在(zai)(zai)(zai)出(chu)(chu)(chu)產(chan)的(de)(de)(de)隔(ge)日運(yun)用(yong)順磁性(xing)氧(yang)氣(qi)(qi)(qi)剖析(xi)(xi)(xi)儀(yi)測量(liang)(liang)了(le)(le)氣(qi)(qi)(qi)體濃(nong)(nong)度(du)(du)(du),所(suo)檢(jian)驗(yan)的(de)(de)(de)氣(qi)(qi)(qi)體初始濃(nong)(nong)度(du)(du)(du)和(he)(he)老化后的(de)(de)(de)濃(nong)(nong)度(du)(du)(du),均符合《中(zhong)(zhong)空玻(bo)璃(li)(li)(li)》國家(jia)(jia)標準要求的(de)(de)(de)濃(nong)(nong)度(du)(du)(du)。在(zai)(zai)(zai)其間兩(liang)個(ge)試驗(yan)組(zu)中(zhong)(zhong),我(wo)們(men)發(fa)現(xian)所(suo)運(yun)用(yong)的(de)(de)(de)密封劑工藝和(he)(he)間隔(ge)條上框質量(liang)(liang)相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)很好,并(bing)且運(yun)用(yong)了(le)(le)相(xiang)(xiang)(xiang)(xiang)(xiang)同(tong)(tong)(tong)的(de)(de)(de)進口(kou)立式中(zhong)(zhong)空玻(bo)璃(li)(li)(li)出(chu)(chu)(chu)產(chan)線(李賽克或(huo)百超)出(chu)(chu)(chu)產(chan)。
最新版的(de)《中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li)》國(guo)家標準初次規矩了(le)充氣(qi)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li)單元的(de)初始(shi)濃(nong)度(du)(du)為≥85%,而在老化后(hou)的(de)濃(nong)度(du)(du)則為≥80%。本文的(de)提示的(de)結論極其重要,尤其是關于剛(gang)剛(gang)正(zheng)式初步(bu)進行充氣(qi)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)單元出產(chan)的(de)我(wo)(wo)國(guo)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li)工作(zuo)而言。一些我(wo)(wo)國(guo)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li)出產(chan)商非常不愿意出產(chan)充氣(qi)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li),主要忌憚來自(zi)于氣(qi)體(ti)快泄露,工作(zuo)中(zhong)(zhong)(zhong)(zhong)有些人傾向于認為充氣(qi)中(zhong)(zhong)(zhong)(zhong)空(kong)(kong)(kong)玻璃(li)的(de)慵懶氣(qi)體(ti)會在兩年之內泄露掉。
我(wo)們(men)(men)信賴,在了解充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)空(kong)(kong)(kong)玻(bo)璃(li)的(de)(de)(de)慵懶氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)初始濃(nong)度,應該且也只能(neng)在慵懶氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)渙(huan)散(san)(san)后(hou)才能(neng)準(zhun)(zhun)確(que)測(ce)(ce)量(liang)出(chu)的(de)(de)(de)道理之后(hou),這些代表性廠(chang)家以(yi)及任何(he)其他廠(chang)家對中(zhong)空(kong)(kong)(kong)玻(bo)璃(li)充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)后(hou)兩(liang)年內跑掉(diao)的(de)(de)(de)擔憂,可以(yi)放下。在充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)空(kong)(kong)(kong)玻(bo)璃(li)慵懶氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)渙(huan)散(san)(san)后(hou),對慵懶氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)進(jin)(jin)行測(ce)(ce)量(liang),可以(yi)辨認(ren)充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)質(zhi)量(liang),因為氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)渙(huan)散(san)(san)后(hou),充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)進(jin)(jin)程(cheng)究竟(jing)是層流(liu)充(chong)(chong)填仍是紊流(liu)充(chong)(chong)填,就會(hui)閃現出(chu)來。由此,我(wo)們(men)(men)不(bu)(bu)(bu)難(nan)找(zhao)出(chu)原因,較容易地(di)進(jin)(jin)步充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)質(zhi)量(liang)亦即充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)濃(nong)度。因此,我(wo)們(men)(men)鼓動我(wo)國中(zhong)空(kong)(kong)(kong)玻(bo)璃(li)工作繼續進(jin)(jin)行充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)作業,因為氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)的(de)(de)(de)低濃(nong)度被誤認(ren)為氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)泄露,事實上是充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)質(zhi)量(liang)不(bu)(bu)(bu)高(gao)的(de)(de)(de)問(wen)題,在渙(huan)散(san)(san)之后(hou),如(ru)(ru)來日可以(yi)運(yun)用順(shun)磁性氧氣(qi)(qi)(qi)(qi)(qi)剖(pou)析儀(yi)/或熱導(dao)性氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)剖(pou)析儀(yi)可以(yi)方便地(di)、準(zhun)(zhun)確(que)的(de)(de)(de)測(ce)(ce)量(liang)出(chu)出(chu)產進(jin)(jin)程(cheng)的(de)(de)(de)情況。如(ru)(ru)此,我(wo)們(men)(men)可以(yi)避免(mian)稠濁氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)泄露和(he)充(chong)(chong)氣(qi)(qi)(qi)(qi)(qi)質(zhi)量(liang)不(bu)(bu)(bu)高(gao)的(de)(de)(de)情況。
結束語
應當將充(chong)氣(qi)(qi)中(zhong)(zhong)空玻璃的(de)(de)初始濃(nong)度(du)(du)(du)明晰定義(yi)為(wei)氣(qi)(qi)體(ti)渙(huan)散(san)之后的(de)(de)濃(nong)度(du)(du)(du),而不是在出(chu)產場所即期測(ce)量(liang)(liang)的(de)(de)濃(nong)度(du)(du)(du)。氣(qi)(qi)體(ti)充(chong)填(tian)進(jin)程中(zhong)(zhong)出(chu)現的(de)(de)層(ceng)流(liu)或(huo)紊流(liu)是構(gou)成(cheng)不同(tong)充(chong)氣(qi)(qi)質量(liang)(liang)的(de)(de)根(gen)本原(yuan)因。其(qi)次,充(chong)氣(qi)(qi)中(zhong)(zhong)空玻璃氣(qi)(qi)體(ti)渙(huan)散(san)之前,其(qi)空腔內的(de)(de)濃(nong)度(du)(du)(du)是不均勻(yun)的(de)(de),初始濃(nong)度(du)(du)(du)指的(de)(de)是,渙(huan)散(san)后的(de)(de)安穩的(de)(de)均勻(yun)濃(nong)度(du)(du)(du)。因此,選擇正確的(de)(de)充(chong)氣(qi)(qi)設備及氣(qi)(qi)體(ti)剖析(xi)儀(yi),在正確測(ce)量(liang)(liang)氣(qi)(qi)體(ti)濃(nong)度(du)(du)(du)方(fang)面具(ju)有非常重要(yao)的(de)(de)作用。