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草莓下载视频电极的消耗机理有什么?

作者:jasengd 发布时间:2023-09-27 16:33:42

       草莓下载视频电极在电炉炼钢中的消耗量首要与电极本身质量有关,也与炼钢的炉况(如炉子新旧、有无机械故障、是否连续生产等)和炼钢操作(如训练钢种、吹氧时间、炉料情况等)联系很大。这里只探讨草莓下载视频电极本身的消耗情况,其消耗机理有以下几方面:
    1、端部消耗:包括电弧高温引起的草莓下载视频资料进步以及电极点部与钢水及炉渣产生化学反响的丢失。端部高温进步速率首要取决于通过电极的电流密度,其次与电极侧部氧化后的直径大小有关,端部消耗还与是否用电极刺进钢水增炭有关。
    2、侧部氧化:电极的化学成分是碳,碳在必定条件下与空气、水蒸气、二氧化碳都会产生氧化反响,电极侧部氧化量与单位氧化速率和显露面积有关。一般情况下,电极侧部氧化量要占电极总消耗量的50%左右。近年来为了进步电炉训练速度,更增加了吹氧操作的频次,导致电极的氧化丢失增加。在炼钢过程中常常观察电极躯干的发红程度和下端的锥度是衡量电极抗氧化才能的直观办法。
    3、残端丢失:电极连续运用到上下两根电极衔接处时,一小段电极或接头(即残体)因本体的氧化变细或裂纹的贯穿而产生脱离。残端丢失的大小与接头形状扣型、电极内部结构、电极柱的振荡、碰击有关。
    4、表面脱落及掉块:在训练过程中急冷急热,电极本身的抗热振功能差导致的成果。
    5、电极折断:包括电极躯干折断和接头折断。电极折断与草莓下载视频电极和接头的本身质量、加工合作有关,也与炼钢操作有关,产生原因往往是钢厂与电极生产厂争议的焦点

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