宝钢一期焦炉加热控制系统的优化

Optimization of Coke Oven Heating Control System for Phase I of Baosteel

通过优化火道温度与跨越孔温度的相关数学模型、烟道吸力与煤气流量的控制模型和建立5个动态数学模型,解决了焦炉加热控制系统中存在的主要问题。与优化前相比,炼焦耗热量降低1.4%,COG单耗降低4.2%,BFG单耗降低1.8%,直行温度平均系数大于0.95,平均安定系数接近0.95。

By optimizing relative mathematical models of flue temperature and crossover flue temperature, optimizing the control models of waste gas flue suction and gas flow, and establishing 5 dynamic mathematical models, the main issues existed in coke oven heating control system have been solved. Compared to the case before optimization, the heat consumption for coke-making is lowered by 1.4%, COG consumption is reduced by 4.2%, BFG consumption by 1.8%, the average factor of longitudinal temperature is greater than 0.95, the average stability factor is close to 0.95.