維修真(zhen)空熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)的(de)方法是(shi)(shi)什么 　　真(zhen)空熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)加(jia)熱(re)(re)(re)功(gong)率(lv)(lv)的(de)是(shi)(shi)隨著爐(lu)(lu)(lu)(lu)(lu)子使(shi)用(yong)(yong)時(shi)間(jian)的(de)延長(chang)而(er)延長(chang)，隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)的(de)熱(re)(re)(re)阻(zu)變小(xiao)而(er)變小(xiao)。電熱(re)(re)(re)元件(jian)揮發而(er)電阻(zu)變大等(deng)因素的(de)影響，應適當增(zeng)(zeng)加(jia)功(gong)率(lv)(lv)。在(zai)實際生產工作(zuo)中(zhong)，一般(ban)用(yong)(yong)經驗(yan)計算(suan)法確定(ding)功(gong)率(lv)(lv)，根(gen)據(ju)石墨(mo)氈或(huo)耐火纖維氈隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)真(zhen)空熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)的(de)容積與加(jia)熱(re)(re)(re)功(gong)率(lv)(lv)的(de)關系曲(qu)線(xian)圖(tu)。 　　按圖(tu)可以確定(ding)千(qian)度(du)(du)以上(shang)的(de)爐(lu)(lu)(lu)(lu)(lu)加(jia)熱(re)(re)(re)功(gong)率(lv)(lv)。若為(wei)金屬(shu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)的(de)熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)，則查得(de)的(de)加(jia)熱(re)(re)(re)功(gong)率(lv)(lv)需增(zeng)(zeng)加(jia)30%左右。 　　今天，先講講真(zhen)空熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)的(de)維修方法。隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)在(zai)熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)中(zhong)起隔(ge)熱(re)(re)(re)、保溫作(zuo)用(yong)(yong)，有時(shi)也作(zuo)為(wei)固(gu)定(ding)加(jia)熱(re)(re)(re)器的(de)結(jie)構基礎。熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)結(jie)構一般(ban)有四種類(lei)型(xing)：全(quan)金屬(shu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)、夾層(ceng)(ceng)式隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)、石墨(mo)氈隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)和混合氈隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)。不(bu)(bu)同的(de)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)，在(zai)維修時(shi)應掌握其要點。 　　真(zhen)空熔(rong)(rong)(rong)煉爐(lu)(lu)(lu)(lu)(lu)的(de)全(quan)金屬(shu)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)一般(ban)在(zai)靠(kao)近電熱(re)(re)(re)元件(jian)的(de)1—2層(ceng)(ceng)選用(yong)(yong)鉬、鎢(wu)材料，外(wai)面幾層(ceng)(ceng)可用(yong)(yong)不(bu)(bu)銹鋼材料，厚度(du)(du)應盡量(liang)薄些(xie)(中(zhong)、小(xiao)型(xing)爐(lu)(lu)(lu)(lu)(lu)一般(ban)為(wei)o.2。0.5mm。大型(xing)爐(lu)(lu)(lu)(lu)(lu)為(wei)o.5～1.Omm);隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)在(zai)裝配前需將(jiang)表(biao)面加(jia)工成(cheng)為(wei)光潔(jie)狀(zhuang)態，以降低黑度(du)(du)，增(zeng)(zeng)強(qiang)反射效果。1300℃爐(lu)(lu)(lu)(lu)(lu)子的(de)隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)層(ceng)(ceng)數一般(ban)為(wei)5～6層(ceng)(ceng)，層(ceng)(ceng)間(jian)距離為(wei)5～10mm。幾層(ceng)(ceng)輻射板連接的(de)接觸面積不(bu)(bu)宜太(tai)大，以減少熱(re)(re)(re)短路。隔(ge)熱(re)(re)(re)屏(ping)(ping)(ping)應有脹(zhang)縮量(liang)，并(bing)做成(cheng)可拆式的(de)，便于下次(ci)維修。

　　真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)結(jie)(jie)(jie)(jie)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)抽不(bu)(bu)(bu)干凈(jing)是(shi)(shi)(shi)啥(sha)原因(yin)(yin) 　　真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)結(jie)(jie)(jie)(jie)爐(lu)(lu)(lu)在(zai)平時(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)試驗中(zhong)如(ru)果有(you)液(ye)體(ti)存在(zai)，就(jiu)(jiu)需要(yao)一(yi)(yi)個(ge)液(ye)體(ti)蒸(zheng)發的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)程(高(gao)(gao)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)下不(bu)(bu)(bu)需要(yao)加(jia)熱(re)(re)(re)(re)(re)(re)也(ye)能氣(qi)(qi)化(hua))，可(ke)(ke)以(yi)通過(guo)(guo)長時(shi)(shi)(shi)間(jian)拉真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)來(lai)氣(qi)(qi)化(hua)掉這(zhe)部(bu)分液(ye)體(ti)從(cong)而(er)達到(dao)高(gao)(gao)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(等(deng)穩定(ding))。如(ru)果長時(shi)(shi)(shi)間(jian)都(dou)達不(bu)(bu)(bu)到(dao)目(mu)標氣(qi)(qi)壓(ya)的(de)(de)(de)(de)(de)(de)(de)話，就(jiu)(jiu)要(yao)考慮系(xi)統(tong)和羅茨泵了，你可(ke)(ke)以(yi)直接(jie)測一(yi)(yi)下羅茨泵的(de)(de)(de)(de)(de)(de)(de)極限真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(不(bu)(bu)(bu)接(jie)入其他系(xi)統(tong))，若完(wan)好(hao)則(ze)就(jiu)(jiu)是(shi)(shi)(shi)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)性(xing)能了。 　　(1)水(shui)冷裝(zhuang)(zhuang)置(zhi)，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)爐(lu)(lu)(lu)殼、爐(lu)(lu)(lu)蓋、電(dian)熱(re)(re)(re)(re)(re)(re)元件導(dao)別處(chu)(chu)置(zhi)(水(shui)冷電(dian)極)、中(zhong)間(jian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)隔(ge)熱(re)(re)(re)(re)(re)(re)門等(deng)部(bu)件，均(jun)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)、受熱(re)(re)(re)(re)(re)(re)狀(zhuang)(zhuang)態(tai)下工(gong)(gong)(gong)作(zuo)(zuo)。在(zai)這(zhe)種(zhong)極為不(bu)(bu)(bu)利(li)的(de)(de)(de)(de)(de)(de)(de)條件下工(gong)(gong)(gong)作(zuo)(zuo)，必須保(bao)證(zheng)各部(bu)件的(de)(de)(de)(de)(de)(de)(de)結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)不(bu)(bu)(bu)變形、不(bu)(bu)(bu)損壞，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)密(mi)(mi)(mi)封(feng)(feng)圈(quan)不(bu)(bu)(bu)過(guo)(guo)熱(re)(re)(re)(re)(re)(re)、不(bu)(bu)(bu)燒(shao)毀。因(yin)(yin)此(ci)，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)結(jie)(jie)(jie)(jie)爐(lu)(lu)(lu)各部(bu)件應該根(gen)據不(bu)(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de)(de)情況(kuang)設置(zhi)水(shui)冷裝(zhuang)(zhuang)置(zhi)，以(yi)保(bao)證(zheng)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)能夠(gou)正常(chang)(chang)運行(xing)并有(you)足夠(gou)的(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)壽命(ming)。 　　(2)采(cai)(cai)(cai)用(yong)低電(dian)壓(ya)大(da)(da)(da)電(dian)流：在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)容器內(nei)(nei)，當真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度為幾(ji)托一(yi)(yi)lxlo-1托的(de)(de)(de)(de)(de)(de)(de)范圍內(nei)(nei)時(shi)(shi)(shi)，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)容器內(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)通電(dian)導(dao)體(ti)在(zai)較高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)電(dian)壓(ya)下，會產(chan)生輝光(guang)放電(dian)現象(xiang)。在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)內(nei)(nei)，嚴重(zhong)的(de)(de)(de)(de)(de)(de)(de)會產(chan)生弧光(guang)放電(dian)，燒(shao)毀電(dian)熱(re)(re)(re)(re)(re)(re)元件、隔(ge)熱(re)(re)(re)(re)(re)(re)層等(deng)，造成(cheng)(cheng)重(zhong)大(da)(da)(da)事故(gu)和損失。因(yin)(yin)此(ci)，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)電(dian)熱(re)(re)(re)(re)(re)(re)元件的(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)(zuo)電(dian)壓(ya)，一(yi)(yi)般都(dou)不(bu)(bu)(bu)超過(guo)(guo)80一(yi)(yi)100伏。同(tong)時(shi)(shi)(shi)在(zai)電(dian)熱(re)(re)(re)(re)(re)(re)元件結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)設計(ji)(ji)時(shi)(shi)(shi)要(yao)采(cai)(cai)(cai)取有(you)效(xiao)措施，如(ru)盡量避免(mian)(mian)有(you)***的(de)(de)(de)(de)(de)(de)(de)部(bu)件，電(dian)極間(jian)的(de)(de)(de)(de)(de)(de)(de)間(jian)距不(bu)(bu)(bu)能太小窄(zhai)，以(yi)防止輝光(guang)放電(dian)或者(zhe)弧光(guang)放電(dian)的(de)(de)(de)(de)(de)(de)(de)發生。 　　(3)大(da)(da)(da)部(bu)分加(jia)熱(re)(re)(re)(re)(re)(re)與(yu)(yu)隔(ge)熱(re)(re)(re)(re)(re)(re)材料只能在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)狀(zhuang)(zhuang)態(tai)下使(shi)用(yong)：真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)結(jie)(jie)(jie)(jie)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)加(jia)熱(re)(re)(re)(re)(re)(re)與(yu)(yu)隔(ge)熱(re)(re)(re)(re)(re)(re)襯料是(shi)(shi)(shi)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)與(yu)(yu)高(gao)(gao)溫下工(gong)(gong)(gong)作(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)，因(yin)(yin)而(er)對(dui)(dui)這(zhe)些(xie)材料提出了耐高(gao)(gao)溫，蒸(zheng)汽(qi)壓(ya)低，輻射效(xiao)果好(hao)，導(dao)熱(re)(re)(re)(re)(re)(re)系(xi)數小等(deng)要(yao)求(qiu)。對(dui)(dui)抗氧(yang)化(hua)性(xing)能要(yao)求(qiu)不(bu)(bu)(bu)高(gao)(gao)。所以(yi)，真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)廣泛采(cai)(cai)(cai)用(yong)了鉭(tan)、鎢、鉬和石(shi)墨等(deng)作(zuo)(zuo)加(jia)熱(re)(re)(re)(re)(re)(re)與(yu)(yu)隔(ge)熱(re)(re)(re)(re)(re)(re)構(gou)(gou)(gou)料。這(zhe)些(xie)材料在(zai)大(da)(da)(da)氣(qi)(qi)狀(zhuang)(zhuang)態(tai)下極易氧(yang)化(hua)，因(yin)(yin)此(ci)，常(chang)(chang)規熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)不(bu)(bu)(bu)能采(cai)(cai)(cai)用(yong)這(zhe)些(xie)加(jia)熱(re)(re)(re)(re)(re)(re)與(yu)(yu)隔(ge)熱(re)(re)(re)(re)(re)(re)材料。 　　(4)嚴格的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)密(mi)(mi)(mi)封(feng)(feng)：金(jin)(jin)屬零(ling)件進(jin)行(xing)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)均(jun)在(zai)密(mi)(mi)(mi)閉的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)燒(shao)結(jie)(jie)(jie)(jie)爐(lu)(lu)(lu)內(nei)(nei)進(jin)行(xing)，因(yin)(yin)此(ci)，獲得和維(wei)持爐(lu)(lu)(lu)子原定(ding)的(de)(de)(de)(de)(de)(de)(de)漏氣(qi)(qi)率(lv)，保(bao)證(zheng)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)(zuo)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度，對(dui)(dui)確保(bao)零(ling)件真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)的(de)(de)(de)(de)(de)(de)(de)質量有(you)著非(fei)常(chang)(chang)重(zhong)要(yao)的(de)(de)(de)(de)(de)(de)(de)意(yi)義。所以(yi)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)個(ge)關鍵問(wen)題，就(jiu)(jiu)是(shi)(shi)(shi)要(yao)有(you)可(ke)(ke)靠的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)密(mi)(mi)(mi)封(feng)(feng)結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)。為了保(bao)證(zheng)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)性(xing)能，在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)設計(ji)(ji)中(zhong)必須道循一(yi)(yi)個(ge)基本原則(ze)，就(jiu)(jiu)是(shi)(shi)(shi)爐(lu)(lu)(lu)體(ti)要(yao)采(cai)(cai)(cai)用(yong)氣(qi)(qi)密(mi)(mi)(mi)焊接(jie)，同(tong)時(shi)(shi)(shi)在(zai)爐(lu)(lu)(lu)體(ti)上(shang)盡量少開或者(zhe)不(bu)(bu)(bu)開孔，少采(cai)(cai)(cai)用(yong)或者(zhe)避免(mian)(mian)采(cai)(cai)(cai)用(yong)動(dong)(dong)(dong)(dong)密(mi)(mi)(mi)封(feng)(feng)結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)，以(yi)盡量減(jian)少真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泄漏的(de)(de)(de)(de)(de)(de)(de)機會。安裝(zhuang)(zhuang)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)體(ti)上(shang)的(de)(de)(de)(de)(de)(de)(de)部(bu)件、附件等(deng)如(ru)水(shui)冷電(dian)極、熱(re)(re)(re)(re)(re)(re)電(dian)偶導(dao)出裝(zhuang)(zhuang)置(zhi)也(ye)都(dou)必須設計(ji)(ji)密(mi)(mi)(mi)封(feng)(feng)結(jie)(jie)(jie)(jie)構(gou)(gou)(gou)。 　　(5)自(zi)動(dong)(dong)(dong)(dong)化(hua)程度高(gao)(gao)：真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)甩帶爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)化(hua)程度之(zhi)所以(yi)較高(gao)(gao)，是(shi)(shi)(shi)因(yin)(yin)為金(jin)(jin)屬工(gong)(gong)(gong)件的(de)(de)(de)(de)(de)(de)(de)加(jia)熱(re)(re)(re)(re)(re)(re)、冷卻等(deng)操(cao)作(zuo)(zuo)，需要(yao)十幾(ji)個(ge)甚至幾(ji)十個(ge)動(dong)(dong)(dong)(dong)作(zuo)(zuo)來(lai)完(wan)成(cheng)(cheng)。這(zhe)些(xie)動(dong)(dong)(dong)(dong)作(zuo)(zuo)內(nei)(nei)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)內(nei)(nei)進(jin)行(xing)，操(cao)作(zuo)(zuo)人員(yuan)無法接(jie)近。同(tong)時(shi)(shi)(shi)，有(you)些(xie)動(dong)(dong)(dong)(dong)作(zuo)(zuo)如(ru)加(jia)熱(re)(re)(re)(re)(re)(re)保(bao)溫結(jie)(jie)(jie)(jie)束后(hou)，金(jin)(jin)屬工(gong)(gong)(gong)件進(jin)行(xing)淬火工(gong)(gong)(gong)序須六(liu)個(ge)動(dong)(dong)(dong)(dong)作(zuo)(zuo)并且要(yao)在(zai)15秒鐘以(yi)內(nei)(nei)完(wan)成(cheng)(cheng)。在(zai)這(zhe)樣(yang)迅速(su)的(de)(de)(de)(de)(de)(de)(de)條件來(lai)完(wan)成(cheng)(cheng)許多動(dong)(dong)(dong)(dong)作(zuo)(zuo)，是(shi)(shi)(shi)很容易造成(cheng)(cheng)操(cao)作(zuo)(zuo)人員(yuan)的(de)(de)(de)(de)(de)(de)(de)緊張而(er)構(gou)(gou)(gou)成(cheng)(cheng)誤操(cao)作(zuo)(zuo)。因(yin)(yin)此(ci)，只有(you)較高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)目(mu)動(dong)(dong)(dong)(dong)化(hua)才能準確、及時(shi)(shi)(shi)按程序協調動(dong)(dong)(dong)(dong)。