Abstract: A method for evaluating energy efficiency of electric arc furnace steelmaking comprises: obtaining original smelting information of the electric arc furnace; processing the original smelting information, and calculating an electrical energy efficiency evaluation index and a chemical energy efficiency evaluation index for process operation; wherein the electrical energy efficiency evaluation index comprises circuit efficiency, transformer tap capacity utilization rate and electrical energy thermal efficiency, and the chemical energy efficiency evaluation index comprises oxygen utilization rate, carbon powder utilization rate and chemical energy thermal efficiency; and evaluating an energy utilization condition of the electric arc furnace comprehensively based on the electrical energy efficiency evaluation index and the chemical energy efficiency evaluation index.

Abstract: Embodiments of the present disclosure provide methods and apparatus for managing load of a network node. A method performed at a first network node may comprise: determining (S101), by the first network node, whether to dispatch a task to another network node; transmitting (S102), by the first network node, to at least one network node including a second network node, a request of dispatching the task; receiving (S103), by the first network node, from the second network node, a response of accepting the task; transmitting (S104), by the first network node, to the second network node, at least one portion of the task; and receiving (S105), by the first network node, from the second network node, a result of executing the at least one portion of the task. According to embodiments herein, a network node may dispatch at least one portion of a task to another network node.