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真空燒結爐加溫時會出現哪些現象
發布時間:2016-03-16   瀏覽:2534次

  真空燒結爐除了用于(yu)(yu)陶(tao)(tao)瓷粉(fen)體(ti)、陶(tao)(tao)瓷插芯等(deng)陶(tao)(tao)瓷燒結,也可用于(yu)(yu)銅材、鋼(gang)帶退火等(deng)處(chu)理。其加熱(re)溫度時(shi),若操作不當,會出現哪些現象?下面,小(xiao)編(bian)來說(shuo)說(shuo)吧!

  一般過熱:加熱溫(wen)度過高,或高溫(wen)保溫(wen)過長,引起奧氏體(ti)晶粒粗(cu)化(hua)的現象稱為(wei)過熱。其產生的主要原因就是真空燒結爐爐溫(wen)儀(yi)表失控或混料。

  斷(duan)口遺傳:過(guo)(guo)熱(re)組織鋼材經(jing)過(guo)(guo)熱(re)處理(li),再加熱(re)淬火后,回(hui)出(chu)現(xian)粗大顆(ke)粒狀斷(duan)口。這(zhe)是因真空(kong)燒結(jie)爐加熱(re)溫度過(guo)(guo)高(gao),使雜(za)物溶入奧氏體,冷卻時,夾雜(za)物析出(chu),受沖擊(ji)時易斷(duan)裂。

  粗(cu)大(da)組(zu)織(zhi)遺傳:有(you)粗(cu)大(da)組(zu)織(zhi)的鋼件重新奧氏化時(shi)(shi),慢慢加熱(re)到常規淬火(huo)溫度時(shi)(shi),奧氏體晶粒仍然粗(cu)大(da)。此時(shi)(shi),可采(cai)用中間退(tui)火(huo),或多次高溫回火(huo)處理就能消除。

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19 December 2016
真空燒結爐安全操作26條標準

真空燒結爐安全操作26條標準

  真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)主(zhu)要(yao)(yao)(yao)用于(yu)合(he)金(jin)、金(jin)屬(shu)、陶瓷等物(wu)質(zhi)的(de)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)。雖(sui)然主(zhu)要(yao)(yao)(yao)應(ying)(ying)用于(yu)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie),但(dan)它(ta)(ta)針對不(bu)(bu)(bu)(bu)同的(de)使(shi)用環(huan)(huan)境,也有(you)不(bu)(bu)(bu)(bu)同的(de)分(fen)(fen)類。那么,它(ta)(ta)有(you)哪些分(fen)(fen)類呢?   其主(zhu)要(yao)(yao)(yao)分(fen)(fen)為雙(shuang)聯(lian)(lian)及(ji)單室(shi)(shi)外(wai)(wai)循環(huan)(huan)加壓(ya)氣(qi)冷(leng)(leng)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu),這兩(liang)(liang)大(da)類型。雙(shuang)聯(lian)(lian)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)有(you)兩(liang)(liang)臺相(xiang)(xiang)同的(de)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu),共用抽(chou)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)以(yi)(yi)(yi)及(ji)電(dian)氣(qi)控(kong)制系(xi)統(tong)。   在(zai)(zai)操作(zuo)雙(shuang)聯(lian)(lian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)時,兩(liang)(liang)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)相(xiang)(xiang)互交替使(shi)用加熱(re)(re)、冷(leng)(leng)卻(que)(que)(que)。它(ta)(ta)可(ke)以(yi)(yi)(yi)在(zai)(zai)同一(yi)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)內(nei)脫脂(zhi)、預燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)和燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)一(yi)次(ci)完(wan)成(cheng)。脫脂(zhi)系(xi)統(tong)包括外(wai)(wai)部管道(dao)、真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)閥等裝置。   燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)其實工(gong)(gong)作(zuo)原(yuan)理與(yu)高溫(wen)熱(re)(re)處理爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)相(xiang)(xiang)似(si)。單室(shi)(shi)外(wai)(wai)循環(huan)(huan)加壓(ya)氣(qi)冷(leng)(leng)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)需配置高真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)、大(da)抽(chou)速(su)的(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)機組,才能滿足燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)工(gong)(gong)藝要(yao)(yao)(yao)求。   真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)安全(quan)操作(zuo)26條標準:   1.中(zhong)頻(pin)(pin)(pin)電(dian)源(yuan)、真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)、感(gan)(gan)(gan)應(ying)(ying)圈之冷(leng)(leng)卻(que)(que)(que)水(shui)源(yuan)——蓄(xu)水(shui)池(chi)之水(shui)必(bi)(bi)須充滿,水(shui)中(zhong)不(bu)(bu)(bu)(bu)得有(you)雜質(zhi)。   2.開(kai)(kai)動(dong)(dong)水(shui)泵(beng)(beng)(beng)(beng),使(shi)其中(zhong)頻(pin)(pin)(pin)電(dian)源(yuan),真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)感(gan)(gan)(gan)應(ying)(ying)圈、爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)冷(leng)(leng)卻(que)(que)(que)系(xi)統(tong)水(shui)循環(huan)(huan)正常(chang),并調整(zheng)水(shui)壓(ya)控(kong)制在(zai)(zai)規(gui)定(ding)值。   3.檢(jian)查(cha)(cha)(cha)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)電(dian)源(yuan)系(xi)統(tong),皮帶盤(pan)(pan)(pan)皮帶松緊,真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)油是(shi)(shi)(shi)否(fou)位于(yu)油封觀(guan)察(cha)孔(kong)中(zhong)線。檢(jian)查(cha)(cha)(cha)妥后,人(ren)工(gong)(gong)轉(zhuan)(zhuan)動(dong)(dong)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)皮帶盤(pan)(pan)(pan),如(ru)無異常(chang),可(ke)在(zai)(zai)關(guan)(guan)閉(bi)蝶(die)閥的(de)情況(kuang)下,啟(qi)(qi)動(dong)(dong)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)。   4.檢(jian)查(cha)(cha)(cha)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)內(nei)情況(kuang),要(yao)(yao)(yao)求真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)內(nei)一(yi)級衛生(sheng)(sheng),感(gan)(gan)(gan)應(ying)(ying)圈絕(jue)緣(yuan)良(liang)好,密(mi)封真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)膠(jiao)帶具有(you)彈性,尺寸合(he)格(ge)。   5.檢(jian)查(cha)(cha)(cha)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)的(de)杠(gang)桿手把啟(qi)(qi)動(dong)(dong)是(shi)(shi)(shi)否(fou)靈活。   6.檢(jian)查(cha)(cha)(cha)轉(zhuan)(zhuan)動(dong)(dong)式(shi)麥(mai)氏(shi)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計是(shi)(shi)(shi)否(fou)合(he)乎要(yao)(yao)(yao)求。   7.檢(jian)查(cha)(cha)(cha)石(shi)墨坩堝,裝爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)配件(jian)是(shi)(shi)(shi)否(fou)齊全(quan)。   8.在(zai)(zai)以(yi)(yi)(yi)上準備就緒后,接(jie)通(tong)電(dian)源(yuan),中(zhong)頻(pin)(pin)(pin)電(dian)源(yuan)合(he)閘,按(an)中(zhong)頻(pin)(pin)(pin)啟(qi)(qi)動(dong)(dong)規(gui)則(ze)(ze),試(shi)啟(qi)(qi)動(dong)(dong)變(bian)頻(pin)(pin)(pin),成(cheng)功后停(ting)(ting)止(zhi)變(bian)頻(pin)(pin)(pin),方(fang)可(ke)開(kai)(kai)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)。   9.真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)上蓋的(de)觀(guan)察(cha)、測溫(wen)孔(kong),每次(ci)開(kai)(kai)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)均需清潔處理,以(yi)(yi)(yi)便(bian)觀(guan)察(cha)和測溫(wen)。   10.裝爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)時應(ying)(ying)根據(ju)不(bu)(bu)(bu)(bu)同燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)產(chan)品,采取相(xiang)(xiang)應(ying)(ying)裝爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)方(fang)式(shi)。按(an)有(you)關(guan)(guan)材質(zhi)裝爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)規(gui)則(ze)(ze)裝盤(pan)(pan)(pan),不(bu)(bu)(bu)(bu)得隨意更(geng)改。   11.為了(le)保持恒溫(wen),防(fang)止(zhi)熱(re)(re)輻射(she),發(fa)(fa)(fa)熱(re)(re)坩堝上加二層碳纖(xian)維,再罩(zhao)上隔熱(re)(re)屏(ping)。   12.墊好真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)密(mi)封膠(jiao)帶。   13.操作(zuo)杠(gang)桿手把,轉(zhuan)(zhuan)動(dong)(dong)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)頂(ding)(ding)蓋與(yu)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)密(mi)切重合(he),放下頂(ding)(ding)蓋,并鎖好固定(ding)螺母。   14.徐(xu)徐(xu)打開(kai)(kai)蝶(die)閥,抽(chou)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi),至真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度達到(dao)規(gui)定(ding)值。   15.在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度達到(dao)規(gui)定(ding)要(yao)(yao)(yao)求后,開(kai)(kai)始啟(qi)(qi)動(dong)(dong)變(bian)頻(pin)(pin)(pin),調整(zheng)中(zhong)頻(pin)(pin)(pin)功率,按(an)有(you)關(guan)(guan)材質(zhi)的(de)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)規(gui)定(ding)操作(zuo);升溫(wen)、保溫(wen)冷(leng)(leng)卻(que)(que)(que)。   16.燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)完(wan)畢后,停(ting)(ting)止(zhi)變(bian)頻(pin)(pin)(pin),按(an)停(ting)(ting)止(zhi)變(bian)頻(pin)(pin)(pin)開(kai)(kai)關(guan)(guan),逆變(bian)停(ting)(ting)止(zhi)工(gong)(gong)作(zuo),斷開(kai)(kai)中(zhong)頻(pin)(pin)(pin)電(dian)源(yuan)分(fen)(fen)閘與(yu)斷開(kai)(kai)電(dian)源(yuan)總閘。   17.從(cong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)觀(guan)察(cha)孔(kong)觀(guan)察(cha)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)膛發(fa)(fa)(fa)黑(hei)后,先關(guan)(guan)閉(bi)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)蝶(die)閥與(yu)斷開(kai)(kai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)電(dian)流(liu),再接(jie)自來水(shui)繼續(xu)冷(leng)(leng)卻(que)(que)(que)感(gan)(gan)(gan)應(ying)(ying)圈和爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti),***后停(ting)(ting)水(shui)泵(beng)(beng)(beng)(beng)。   18.中(zhong)頻(pin)(pin)(pin)電(dian)壓(ya)750伏有(you)觸電(dian)危險。在(zai)(zai)整(zheng)個(ge)操作(zuo)和檢(jian)查(cha)(cha)(cha)過程中(zhong),要(yao)(yao)(yao)注(zhu)(zhu)意操作(zuo)安全(quan),不(bu)(bu)(bu)(bu)要(yao)(yao)(yao)用手接(jie)觸中(zhong)頻(pin)(pin)(pin)電(dian)柜。   19.在(zai)(zai)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)過程中(zhong),隨時從(cong)爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)側面觀(guan)察(cha)孔(kong)觀(guan)察(cha)感(gan)(gan)(gan)應(ying)(ying)圈是(shi)(shi)(shi)否(fou)發(fa)(fa)(fa)生(sheng)(sheng)放弧現(xian)象,如(ru)發(fa)(fa)(fa)現(xian)異常(chang)現(xian)象,應(ying)(ying)立即報(bao)告有(you)關(guan)(guan)人(ren)員處理。   20.啟(qi)(qi)動(dong)(dong)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)蝶(die)閥應(ying)(ying)緩(huan)慢,否(fou)則(ze)(ze)會(hui)因(yin)抽(chou)氣(qi)過急而(er)冒油,帶來不(bu)(bu)(bu)(bu)良(liang)后果。   21.正確使(shi)用轉(zhuan)(zhuan)動(dong)(dong)式(shi)麥(mai)氏(shi)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計,否(fou)則(ze)(ze)會(hui)造成(cheng)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)讀數誤差或因(yin)操作(zuo)過急而(er)使(shi)水(shui)銀溢出(chu)造成(cheng)公害。   22.注(zhu)(zhu)意真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)皮帶盤(pan)(pan)(pan)安全(quan)運行。   23.在(zai)(zai)墊真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)密(mi)封膠(jiao)帶,蓋爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)體(ti)(ti)(ti)(ti)頂(ding)(ding)蓋時,注(zhu)(zhu)意防(fang)止(zhi)壓(ya)手。   24.凡(fan)在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)條件(jian)下,容(rong)(rong)易揮發(fa)(fa)(fa)影響真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)衛生(sheng)(sheng),造成(cheng)管道(dao)堵塞、真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)臟(zang)化(hua)的(de)工(gong)(gong)件(jian)或容(rong)(rong)器,不(bu)(bu)(bu)(bu)得入爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)。   25.凡(fan)產(chan)品加有(you)成(cheng)型劑(ji)(如(ru)油或石(shi)蠟),必(bi)(bi)須脫掉(diao)方(fang)可(ke)入爐(lu)(lu)(lu)(lu)(lu)(lu)(lu)(lu)燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie),否(fou)則(ze)(ze)會(hui)造成(cheng)不(bu)(bu)(bu)(bu)良(liang)后果。   26.全(quan)部燒(shao)(shao)(shao)(shao)(shao)結(jie)(jie)過程中(zhong),要(yao)(yao)(yao)注(zhu)(zhu)意水(shui)表(biao)壓(ya)力范圍(wei)和冷(leng)(leng)卻(que)(que)(que)水(shui)循環(huan)(huan),以(yi)(yi)(yi)免發(fa)(fa)(fa)生(sheng)(sheng)事故。