保溫爐是一(yi)臺(tai)容(rong)量可達600公斤的臥式有鐵(tie)芯工頻感(gan)應電(dian)爐(lu),為(wei)了便于(yu)控制爐(lu)內熔融金(jin)屬(shu)的溫(wen)度,可以采用(yong)(yong)(yong)調壓(ya)變壓(ya)器進行保溫(wen),但這(zhe)種舊式設備(bei)操作麻(ma)煩(fan),二來消(xiao)耗電(dian)力多,設備(bei)占用(yong)(yong)(yong)面(mian)積(ji)也大,采用(yong)(yong)(yong)可控硅(gui)交流調壓(ya)器,操作簡單便利,而且能(neng)節約用(yong)(yong)(yong)電(dian),一(yi)臺(tai)保溫(wen)爐(lu)比(bi)用(yong)(yong)(yong)調壓(ya)變壓(ya)器每晝夜(ye)可以節省300度電(dian),又能(neng)為(wei)生產自動化創造了條件。
另外(wai),由于升(sheng)(sheng)液(ye)(ye)(ye)管(guan)(guan)的(de)(de)(de)工(gong)作(zuo)條件(jian)惡劣,鑄(zhu)(zhu)(zhu)造科技(ji)工(gong)作(zuo)者正(zheng)在(zai)(zai)(zai)尋求更好(hao)的(de)(de)(de)材(cai)料和(he)合理的(de)(de)(de)措施(shi)以(yi)提高(gao)其壽(shou)命(ming)。現(xian)有(you)(you)(you)(you)資料表(biao)(biao)明:采用(yong)(yong)含(han)磷2.7%的(de)(de)(de)鑄(zhu)(zhu)(zhu)鐵(tie)、含(han)銅6.5%的(de)(de)(de)鑄(zhu)(zhu)(zhu)鐵(tie)、高(gao)錳鑄(zhu)(zhu)(zhu)鐵(tie)或(huo)用(yong)(yong)具有(you)(you)(you)(you)D型(xing)石(shi)(shi)墨的(de)(de)(de)珠光體(ti)基體(ti)的(de)(de)(de)孕育鑄(zhu)(zhu)(zhu)鐵(tie)鑄(zhu)(zhu)(zhu)造升(sheng)(sheng)液(ye)(ye)(ye)管(guan)(guan),其壽(shou)命(ming)可(ke)(ke)(ke)能延長,可(ke)(ke)(ke)用(yong)(yong)120h以(yi)上(shang);有(you)(you)(you)(you)的(de)(de)(de)采用(yong)(yong)普通鑄(zhu)(zhu)(zhu)鐵(tie)管(guan)(guan)進行表(biao)(biao)面滲(shen)硫處理,在(zai)(zai)(zai)鋁(lv)液(ye)(ye)(ye)中(zhong)的(de)(de)(de)壽(shou)命(ming)約(yue)可(ke)(ke)(ke)提高(gao)3倍;有(you)(you)(you)(you)的(de)(de)(de)在(zai)(zai)(zai)鑄(zhu)(zhu)(zhu)鐵(tie)管(guan)(guan)表(biao)(biao)面噴鍍一層三(san)(san)氧化(hua)二(er)鋁(lv)、氧化(hua)鋯(gao)或(huo)氧化(hua)鉻等材(cai)料,升(sheng)(sheng)液(ye)(ye)(ye)管(guan)(guan)在(zai)(zai)(zai)鋁(lv)液(ye)(ye)(ye)中(zhong)的(de)(de)(de)壽(shou)命(ming)可(ke)(ke)(ke)達700h;有(you)(you)(you)(you)的(de)(de)(de)試用(yong)(yong)氮化(hua)硅、碳化(hua)硅或(huo)氧化(hua)硼等耐熱陶瓷作(zuo)升(sheng)(sheng)液(ye)(ye)(ye)管(guan)(guan),雖然成本高(gao),但在(zai)(zai)(zai)鋁(lv)液(ye)(ye)(ye)中(zhong)可(ke)(ke)(ke)用(yong)(yong)半(ban)年(nian)以(yi)上(shang);還有(you)(you)(you)(you)用(yong)(yong)石(shi)(shi)棉耐熱硅酸(suan)鹽(yan)作(zuo)升(sheng)(sheng)液(ye)(ye)(ye)管(guan)(guan),在(zai)(zai)(zai)三(san)(san)班(ban)連續作(zuo)業的(de)(de)(de)情況下,可(ke)(ke)(ke)使用(yong)(yong)4~5個(ge)月(yue),效果(guo)良好(hao)。