選(xuan)(xuan)購真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)要(yao)(yao)注意哪些事項(xiang)呢 　　為了能(neng)選(xuan)(xuan)購到合(he)適的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)，在選(xuan)(xuan)購時需要(yao)(yao)注意下面幾(ji)點。 　　1、真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)選(xuan)(xuan)擇(ze)要(yao)(yao)根據所要(yao)(yao)熱(re)處(chu)(chu)(chu)理(li)的(de)(de)(de)(de)(de)(de)(de)零件(jian)(jian)化學成(cheng)(cheng)分(fen)(fen)和(he)(he)加熱(re)溫度(du)實現(xian)必須(xu)滿(man)(man)足(zu)(zu)金屬氧(yang)(yang)化物與(yu)一(yi)氧(yang)(yang)化碳平(ping)衡分(fen)(fen)解壓(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)關系(xi)并且(qie)要(yao)(yao)考(kao)慮一(yi)定(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)余地(di)不(bu)要(yao)(yao)追求(qiu)高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)度(du)真(zhen)(zhen)空(kong)(kong)(kong)度(du)過高(gao)(gao)(gao)(gao)不(bu)僅會造成(cheng)(cheng)合(he)金元(yuan)素(su)的(de)(de)(de)(de)(de)(de)(de)揮發(fa)而(er)且(qie)會造成(cheng)(cheng)設備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)配(pei)置提高(gao)(gao)(gao)(gao)投資費用增(zeng)加。 　　2、真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)冷(leng)卻(que)(que)有(you)(you)油(you)冷(leng)和(he)(he)氣(qi)(qi)(qi)冷(leng)。目前(qian)主(zhu)要(yao)(yao)以(yi)氣(qi)(qi)(qi)冷(leng)為主(zhu)因為氣(qi)(qi)(qi)冷(leng)對(dui)熱(re)處(chu)(chu)(chu)理(li)零件(jian)(jian)無任何污染和(he)(he)不(bu)良影(ying)響油(you)冷(leng)有(you)(you)表(biao)面微滲碳問題(ti)對(dui)質量有(you)(you)影(ying)響處(chu)(chu)(chu)理(li)后(hou)零件(jian)(jian)表(biao)面潔凈不(bu)需要(yao)(yao)清洗所以(yi)在滿(man)(man)足(zu)(zu)冷(leng)卻(que)(que)速(su)度(du)的(de)(de)(de)(de)(de)(de)(de)條件(jian)(jian)下一(yi)般以(yi)氣(qi)(qi)(qi)冷(leng)淬(cui)火(huo)(huo)作為***。氣(qi)(qi)(qi)冷(leng)的(de)(de)(de)(de)(de)(de)(de)冷(leng)卻(que)(que)速(su)度(du)主(zhu)要(yao)(yao)受氣(qi)(qi)(qi)壓(ya)(ya)、流(liu)速(su)與(yu)氣(qi)(qi)(qi)流(liu)的(de)(de)(de)(de)(de)(de)(de)形式和(he)(he)分(fen)(fen)布等因素(su)的(de)(de)(de)(de)(de)(de)(de)影(ying)響在進(jin)行選(xuan)(xuan)擇(ze)時要(yao)(yao)***考(kao)慮。一(yi)般情況(kuang)氣(qi)(qi)(qi)壓(ya)(ya)高(gao)(gao)(gao)(gao)、流(liu)速(su)大(da)、冷(leng)卻(que)(que)速(su)度(du)快即冷(leng)卻(que)(que)速(su)度(du)是(shi)直(zhi)接受到氣(qi)(qi)(qi)壓(ya)(ya)和(he)(he)流(liu)速(su)的(de)(de)(de)(de)(de)(de)(de)影(ying)響。另外氣(qi)(qi)(qi)冷(leng)時換熱(re)器冷(leng)卻(que)(que)水(shui)的(de)(de)(de)(de)(de)(de)(de)流(liu)量大(da)小對(dui)于實際冷(leng)卻(que)(que)有(you)(you)明顯的(de)(de)(de)(de)(de)(de)(de)影(ying)響。 　　3、購置真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)要(yao)(yao)考(kao)慮工藝(yi)的(de)(de)(de)(de)(de)(de)(de)通用性即淬(cui)火(huo)(huo)回(hui)火(huo)(huo)使用溫度(du)范(fan)圍要(yao)(yao)寬。特(te)別是(shi)處(chu)(chu)(chu)理(li)高(gao)(gao)(gao)(gao)合(he)金鋼(gang)回(hui)火(huo)(huo)溫度(du)較高(gao)(gao)(gao)(gao)并且(qie)淬(cui)火(huo)(huo)后(hou)不(bu)出爐(lu)(lu)(lu)直(zhi)接進(jin)行回(hui)火(huo)(huo)十分(fen)(fen)方便。 　　4、真(zhen)(zhen)空(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)(lu)控(kong)(kong)(kong)(kong)制系(xi)統控(kong)(kong)(kong)(kong)制系(xi)統是(shi)真(zhen)(zhen)空(kong)(kong)(kong)加熱(re)爐(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)核心部分(fen)(fen)確保其(qi)可(ke)(ke)靠性和(he)(he)完善性及其(qi)重(zhong)要(yao)(yao)。有(you)(you)監控(kong)(kong)(kong)(kong)和(he)(he)故(gu)障顯示、記錄功(gong)能(neng)對(dui)于進(jin)口(kou)設備(bei)(bei)需要(yao)(yao)配(pei)備(bei)(bei)遠程監控(kong)(kong)(kong)(kong)功(gong)能(neng)這樣可(ke)(ke)以(yi)保證故(gu)障處(chu)(chu)(chu)理(li)的(de)(de)(de)(de)(de)(de)(de)及時性減(jian)少一(yi)定(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)維修費用。 　　5、其(qi)他密封性和(he)(he)真(zhen)(zhen)空(kong)(kong)(kong)系(xi)統配(pei)置的(de)(de)(de)(de)(de)(de)(de)可(ke)(ke)靠性也是(shi)重(zhong)要(yao)(yao)環(huan)節(jie)。真(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)設備(bei)(bei)造型時不(bu)可(ke)(ke)從形式力求(qiu)繁雜(za)一(yi)定(ding)(ding)要(yao)(yao)在對(dui)比(bi)的(de)(de)(de)(de)(de)(de)(de)基礎上力求(qiu)可(ke)(ke)靠。

　　熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)，是一種(zhong)利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)化(hua)(hua)(hua)(hua)學原(yuan)理，采用(yong)(yong)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)法(fa)生(sheng)(sheng)(sheng)(sheng)產(chan)高(gao)(gao)純(chun)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)的(de)裝置。把金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)作為(wei)原(yuan)料裝入本熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)中，即可生(sheng)(sheng)(sheng)(sheng)產(chan)出(chu)(chu)對應金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)的(de)高(gao)(gao)純(chun)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)。有(you)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)和氟化(hua)(hua)(hua)(hua)物(wu)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)兩種(zhong)方法(fa)。以(yi)堿金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)和堿土(tu)(tu)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)，以(yi)稀(xi)(xi)(xi)土(tu)(tu)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)原(yuan)料的(de)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)方法(fa)，從(cong)陰極(ji)(ji)(ji)析出(chu)(chu)液態稀(xi)(xi)(xi)土(tu)(tu)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)，陽(yang)極(ji)(ji)(ji)析出(chu)(chu)氯(lv)(lv)(lv)氣(qi)。這種(zhong)方法(fa)具有(you)設(she)備簡(jian)單、操作方便、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)槽結(jie)構(gou)(gou)材料易于(yu)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)決等特點(dian)，但也(ye)存在(zai)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)稀(xi)(xi)(xi)土(tu)(tu)吸水性強、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)低(di)(di)(di)等問題(ti)。 　　使用(yong)(yong)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)結(jie)果是在(zai)陰極(ji)(ji)(ji)得到(dao)熔(rong)(rong)(rong)(rong)融稀(xi)(xi)(xi)土(tu)(tu)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)，在(zai)陽(yang)極(ji)(ji)(ji)析出(chu)(chu)氯(lv)(lv)(lv)氣(qi)，同時(shi)消(xiao)耗熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)中的(de)氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)稀(xi)(xi)(xi)土(tu)(tu)和直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)。陰極(ji)(ji)(ji)析出(chu)(chu)的(de)少部分稀(xi)(xi)(xi)土(tu)(tu)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)溶(rong)(rong)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)于(yu)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)中，發生(sheng)(sheng)(sheng)(sheng)生(sheng)(sheng)(sheng)(sheng)成(cheng)低(di)(di)(di)價氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)物(wu)的(de)二(er)(er)次(ci)反(fan)(fan)應，使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)降低(di)(di)(di)。通常(chang)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)組成(cheng)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)密度(du)、極(ji)(ji)(ji)間距(ju)等電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)藝條件對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)有(you)顯著影響。 　　對于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)藝來(lai)說，當(dang)(dang)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)中氯(lv)(lv)(lv)化(hua)(hua)(hua)(hua)稀(xi)(xi)(xi)土(tu)(tu)含量(liang)過(guo)高(gao)(gao)，熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)大、粘(zhan)度(du)也(ye)大，陽(yang)極(ji)(ji)(ji)氣(qi)體逸出(chu)(chu)困難。反(fan)(fan)之(zhi)，若(ruo)是稀(xi)(xi)(xi)土(tu)(tu)含量(liang)過(guo)低(di)(di)(di)，會發生(sheng)(sheng)(sheng)(sheng)堿金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)和稀(xi)(xi)(xi)土(tu)(tu)離子(zi)共同放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，這兩種(zhong)情況均使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)降低(di)(di)(di)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)消(xiao)耗量(liang)增(zeng)加。又(you)因電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)與熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)組成(cheng)和金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)熔(rong)(rong)(rong)(rong)點(dian)有(you)關，一般采用(yong)(yong)高(gao)(gao)于(yu)稀(xi)(xi)(xi)土(tu)(tu)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)熔(rong)(rong)(rong)(rong)點(dian)50K左右(you)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)。當(dang)(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)過(guo)高(gao)(gao)，金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)與熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)的(de)二(er)(er)次(ci)反(fan)(fan)應加劇，金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)溶(rong)(rong)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)損(sun)失增(zeng)加;若(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)溫度(du)過(guo)低(di)(di)(di)，則熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)粘(zhan)度(du)大，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)下降。 　　根據(ju)了解(jie)(jie)(jie)(jie)(jie)(jie)(jie)，目前工(gong)業(ye)應用(yong)(yong)的(de)熔(rong)(rong)(rong)(rong)鹽(yan)(yan)(yan)(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)爐(lu)所(suo)(suo)用(yong)(yong)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)(jie)(jie)槽主要有(you)小型(xing)石(shi)墨圓形(xing)槽和大型(xing)陶瓷(ci)槽兩種(zhong)類型(xing)。前者(zhe)的(de)結(jie)構(gou)(gou)相較簡(jian)單，使用(yong)(yong)方便，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)效(xiao)率(lv)(lv)(lv)可達40%～50%，金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)直(zhi)接回收率(lv)(lv)(lv)在(zai)85%以(yi)上，但燒蝕嚴重，槽電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓高(gao)(gao)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能消(xiao)耗大，生(sheng)(sheng)(sheng)(sheng)產(chan)能力小。后者(zhe)生(sheng)(sheng)(sheng)(sheng)產(chan)能力大，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能消(xiao)耗低(di)(di)(di)，但由(you)于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)分布不勻(yun)，金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)溶(rong)(rong)解(jie)(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)流(liu)(liu)效(xiao)率(lv)(lv)(lv)低(di)(di)(di)，所(suo)(suo)以(yi)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)直(zhi)接回收率(lv)(lv)(lv)為(wei)80%～85%。在(zai)使用(yong)(yong)中，當(dang)(dang)陰極(ji)(ji)(ji)產(chan)物(wu)積(ji)累到(dao)一定量(liang)時(shi)，八佳科(ke)技建(jian)議應定期取出(chu)(chu)鑄錠，冷卻后用(yong)(yong)冷水清洗、涼(liang)干(gan)、裝桶、蠟(la)封保(bao)存。