电加热冒口在铸钢轧辊生产中的应用.pdfVIP

学兔兔 铸 造 Dec。2011 · 1256· FOUNDRY VOI．6O NO．12 电加热冒口在铸钢轧辊生产中的应用 张 杰 (唐山钢铁集团重型机械装备有限公司，河北唐山063000) 摘要：针对铸钢轧辊采用保温冒口工艺时，工艺出品率低，辊颈缩松的问题，通过引进KH．32oo型可控硅加热电源 组 ， 装了一台冒口电加热装置应用到铸钢轧辊的生产中，并详细介绍了设备的工作原理及操作方法。试验发现， 电加热冒口 可显著提高冒口的补缩效率，降低冒口的高度和原材料的消耗，铸件工艺出品率提高1O％以上， 降低了生产成本。 关键词：钢轧辊；KH．3200型可控硅加热电源；电加热冒1：3；补缩 中图分类号：TG244 文献标识码：B 文章编号：1001—4977(201 1)12—1256—03 Application of Electric Heating Riser to Static SteeI Rolls ZHANG Jie (Tangshan Iron and Steel Group Heavy Machinery and Equipment Co．，Ltd．， Tangshan 063000，Hebei。China) Abstract：The yield iS IOW and dispersed shrinkage often occurs in the rolI neck when using insulating riser for static production of steel rolls．A KH一3200 type controliable silicon power was used，and a riser heating device was assembled and applied to the static production of steel rolls． The principle of the device and method of operation were presented．The experimental results show that the electric heating riser can increase significantly the feeding efficiency and reduce the riser height，therefore decrease the consumption of raw materials．The yield of the casting can be increased by 1 0％or more．and the production cost can be reduced greatly． Key words：steeI roll；Kh-3200 type controlled silicon power；electric heating riser；feeding 如何提高铸钢轧辊的工艺出品率一直是许多轧辊生 了困扰轧辊工作者多年的辊颈疏松问题，还节约了钢 产工作者不断努力的方向，为此许多轧辊生产工作者对 液，提高了工艺出品率，省去了保温冒1：3的使用，降 这