GCr15轴承钢短流程生产物质流和能量流优化分配

GCr15 BEARING STEEL SHORT PROCESS PRODUCTION MATERIAL FLOW AND ENERGY FLOW OPTIMAL DISTRIBUTION

对某厂典型钢种GCr15生产数据进行了采集,分析了该典型钢种的钢铁物质流和能量流的结构现状,明确钢铁料主要损失途径为电炉冶炼过程的烧损、钢包余钢、中间包注余和连铸坯的切头切尾。电炉渣带铁损失为29 kg/t坯,钢包余钢为44 kg/t坯,电炉出钢为1.1 t/t坯,VD真空处理后为1.1 t/t坯。输入的能量主要为冶炼过程的电能、热能和化学能,损失的能量主要为不同冶炼过程的温降,温降造成的热损失为21 048 548 kJ,占总输出能量的9.09%。通过分析典型钢种GCr15物质和能量损失的主要途径,可为节能高效生产优化、提高冶炼效率提供参考。

The production data of GCr15 typical steel grade in a certain plant was collected, and the structural status of steel material flow and energy flow of this typical steel grade was analyzed, and it was clear that the main loss routes of steel materials were the burning loss of electric furnace smelting process, ladle residual steel, tundish injection surplus and continuous casting billet, the loss of electric slag strip iron was 29 kg/t billet, the remaining steel of ladle was 44 kg/t billet, the steel output of electric furnace was 1.1 t/t billet, and the VD vacuum treatment was 1.1 t/t billet. The input energy is mainly the electrical energy, thermal energy and chemical energy of the smelting process, and the energy lost is mainly the temperature drop of different smelting processes, and the heat loss caused by the temperature drop is 21 048 548 kJ, accounting for 9.09% of the total output energy. By analyzing the main ways of material and energy loss of typical steel grade GCr15, it can provide a reference for optimizing energy-saving and efficient production and improving smelting efficiency.