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我厂对RJX—60—9箱式电阻炉在大修中进行了改造。改造后的电炉,在炉衬结构,电炉功率(供热速度),电气控制等诸方面均与传统的RJX—60—9箱式电炉不同。改造后的新炉空炉由30℃升温至860℃,耗电;72kwh,耗时:50分钟。空载节电67.2％(与未贴纤维比较),与改前内贴δ=20mm纤维相比节电47.5％,控温误差△Tmax=±5℃。具体措施与效果分述于下:
I plant RJX-60-9 box resistance furnace in the overhaul was transformed. After the transformation of the electric furnace, in the lining structure, electric furnace power (heating rate), electrical control and other aspects are different from the traditional RJX-60-9 box electric furnace. After the transformation of a new furnace empty furnace from 30 ℃ to 860 ℃ heating, power consumption; 72kwh, time-consuming: 50 minutes. No-load electricity 67.2% (compared with the unlabeled fibers), compared with the pre-posted δ = 20mm fiber 47.5% power saving, temperature error △ Tmax = ± 5 ℃. Specific measures and effects are described below: