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真空燒結爐的操作注意事項有哪些
發布時間:2023-06-06   瀏覽:7838次

  真空燒結爐的操作注意事項有哪些

  1.安全操作:在(zai)操(cao)(cao)作(zuo)時(shi)應(ying)注意(yi)(yi)安全,避免發生意(yi)(yi)外(wai)事故。操(cao)(cao)作(zuo)前應(ying)仔細閱讀(du)燒結爐的使用(yong)說明(ming)書,了解其(qi)性(xing)能和操(cao)(cao)作(zuo)方法(fa)。操(cao)(cao)作(zuo)時(shi)應(ying)穿戴防護用(yong)品,如手(shou)套、口(kou)罩等。

  2.燒結爐內部干燥:燒結(jie)(jie)爐(lu)內部應保持干(gan)燥(zao),避免水(shui)分和其(qi)他雜質進入燒結(jie)(jie)爐(lu)內。這(zhe)可以避免燒結(jie)(jie)過程中產生氣泡和其(qi)他不良影(ying)響(xiang)。

真空燒結爐

  3.避免堆積過高:在將待加工(gong)的原料(liao)放入燒(shao)結(jie)爐內時,注意避免原料(liao)溢出或堆(dui)積過高。否則會影(ying)響燒(shao)結(jie)質量,甚至導致(zhi)燒(shao)結(jie)爐內的故(gu)障(zhang)。

  4.熱處理程序:在燒(shao)結(jie)過(guo)程(cheng)中(zhong),注意燒(shao)結(jie)溫(wen)度(du)的變化,及(ji)時調整加熱功率(lv),以保證燒(shao)結(jie)溫(wen)度(du)的穩定性。熱處理程(cheng)序的設(she)置應嚴格按照(zhao)燒(shao)結(jie)爐的說(shuo)明書進行。

  5.真空泵的使用:在使用真(zhen)(zhen)空(kong)泵時,應(ying)注意其使用方法和維護。在使用后(hou),應(ying)及時清理真(zhen)(zhen)空(kong)泵內部(bu)的(de)殘留物,以保持其正常(chang)運(yun)轉。同時,要(yao)注意真(zhen)(zhen)空(kong)泵的(de)使用壽命和更換周期。

  6.燒結后的處理:在(zai)燒(shao)結(jie)(jie)完成后,應關(guan)(guan)(guan)閉熱(re)處理(li)程(cheng)序和加(jia)熱(re)開(kai)關(guan)(guan)(guan),打(da)開(kai)燒(shao)結(jie)(jie)爐(lu)(lu)(lu)門,將燒(shao)結(jie)(jie)好(hao)的(de)樣品取(qu)出。關(guan)(guan)(guan)閉燒(shao)結(jie)(jie)爐(lu)(lu)(lu)門,打(da)開(kai)真空(kong)泵的(de)電(dian)源(yuan)開(kai)關(guan)(guan)(guan),啟動真空(kong)泵,將燒(shao)結(jie)(jie)爐(lu)(lu)(lu)內(nei)的(de)氣體(ti)抽(chou)出,直(zhi)至達到所需真空(kong)度。關(guan)(guan)(guan)閉真空(kong)泵的(de)電(dian)源(yuan)開(kai)關(guan)(guan)(guan),關(guan)(guan)(guan)閉燒(shao)結(jie)(jie)爐(lu)(lu)(lu)的(de)電(dian)源(yuan)開(kai)關(guan)(guan)(guan),拔出電(dian)源(yuan)插(cha)頭,清理(li)燒(shao)結(jie)(jie)爐(lu)(lu)(lu)內(nei)部的(de)殘留物(wu),將燒(shao)結(jie)(jie)爐(lu)(lu)(lu)存放在(zai)干燥(zao)通風的(de)地方。

  7.維護保養:定(ding)期對燒(shao)結爐(lu)(lu)進行維護和(he)保養,清理燒(shao)結爐(lu)(lu)內部的(de)殘留物和(he)雜質,檢(jian)查(cha)各個(ge)部件(jian)的(de)運轉情(qing)況(kuang),保證燒(shao)結爐(lu)(lu)的(de)正常運轉和(he)使(shi)用壽命。


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使用(yong)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)結(jie)果(guo)是在(zai)(zai)(zai)陰極(ji)得到熔(rong)(rong)(rong)(rong)融(rong)稀(xi)(xi)(xi)土(tu)金(jin)屬(shu)(shu)(shu)(shu),在(zai)(zai)(zai)陽極(ji)析(xi)(xi)出(chu)(chu)氯(lv)(lv)(lv)氣,同(tong)(tong)時消(xiao)耗熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質中(zhong)的(de)(de)氯(lv)(lv)(lv)化(hua)稀(xi)(xi)(xi)土(tu)和直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)。陰極(ji)析(xi)(xi)出(chu)(chu)的(de)(de)少部分(fen)稀(xi)(xi)(xi)土(tu)金(jin)屬(shu)(shu)(shu)(shu)溶(rong)解(jie)(jie)(jie)(jie)(jie)(jie)于熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質中(zhong),發生(sheng)生(sheng)成低(di)(di)價氯(lv)(lv)(lv)化(hua)物(wu)的(de)(de)二(er)(er)次(ci)反(fan)(fan)應,使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)降(jiang)低(di)(di)。通常熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質組成、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)(du)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)密度(du)(du)、極(ji)間(jian)距等電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)工藝(yi)條件(jian)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)有顯(xian)著影響。   對(dui)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)工藝(yi)來說(shuo),當熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)中(zhong)氯(lv)(lv)(lv)化(hua)稀(xi)(xi)(xi)土(tu)含(han)量(liang)過(guo)(guo)高(gao),熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻大(da)(da)、粘度(du)(du)也(ye)大(da)(da),陽極(ji)氣體(ti)逸出(chu)(chu)困難。反(fan)(fan)之,若是稀(xi)(xi)(xi)土(tu)含(han)量(liang)過(guo)(guo)低(di)(di),會發生(sheng)堿(jian)金(jin)屬(shu)(shu)(shu)(shu)和稀(xi)(xi)(xi)土(tu)離子共同(tong)(tong)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),這兩種(zhong)情況均(jun)使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)降(jiang)低(di)(di),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)消(xiao)耗量(liang)增(zeng)加(jia)。又因電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)(du)與熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質組成和金(jin)屬(shu)(shu)(shu)(shu)熔(rong)(rong)(rong)(rong)點有關,一般采用(yong)高(gao)于稀(xi)(xi)(xi)土(tu)金(jin)屬(shu)(shu)(shu)(shu)熔(rong)(rong)(rong)(rong)點50K左右的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)(du)。當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)(du)過(guo)(guo)高(gao),金(jin)屬(shu)(shu)(shu)(shu)與熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質的(de)(de)二(er)(er)次(ci)反(fan)(fan)應加(jia)劇,金(jin)屬(shu)(shu)(shu)(shu)溶(rong)解(jie)(jie)(jie)(jie)(jie)(jie)損失(shi)增(zeng)加(jia);若電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)(du)過(guo)(guo)低(di)(di),則熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)質粘度(du)(du)大(da)(da),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)下降(jiang)。   根據了解(jie)(jie)(jie)(jie)(jie)(jie),目前工業應用(yong)的(de)(de)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)所用(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)槽主要有小型(xing)石墨圓形槽和大(da)(da)型(xing)陶瓷槽兩種(zhong)類型(xing)。前者的(de)(de)結(jie)構相較簡單,使用(yong)方(fang)(fang)便,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)可達40%~50%,金(jin)屬(shu)(shu)(shu)(shu)直(zhi)接回(hui)收(shou)率(lv)(lv)在(zai)(zai)(zai)85%以上(shang),但燒蝕嚴重,槽電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)高(gao),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)消(xiao)耗大(da)(da),生(sheng)產(chan)能(neng)力小。后者生(sheng)產(chan)能(neng)力大(da)(da),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)消(xiao)耗低(di)(di),但由于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)分(fen)布不勻,金(jin)屬(shu)(shu)(shu)(shu)溶(rong)解(jie)(jie)(jie)(jie)(jie)(jie)和二(er)(er)次(ci)反(fan)(fan)應嚴重,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)低(di)(di),所以金(jin)屬(shu)(shu)(shu)(shu)直(zhi)接回(hui)收(shou)率(lv)(lv)為(wei)80%~85%。在(zai)(zai)(zai)使用(yong)中(zhong),當陰極(ji)產(chan)物(wu)積累到一定量(liang)時,八佳(jia)科技建議應定期(qi)取出(chu)(chu)鑄(zhu)錠(ding),冷卻后用(yong)冷水清洗(xi)、涼(liang)干、裝(zhuang)桶(tong)、蠟封保(bao)存。