转炉氧枪聚合射流的数值模拟

The Numerical Simulation of Coherent Jet Oxygen Lance in Converter Furnace

选取三孔氧枪,建立了可以描述聚合射流特性的数学模型,利用FLUENT软件对转炉炼钢中聚合射流和传统射流分别进行数值模拟,并对模拟结果进行分析。结果表明,保护气体减缓了射流轴向速度的衰减,从而证明聚合射流氧枪在转炉炼钢中的优越性,为今后的研究和实际应用提供理论依据。

Coherent jet oxygen lance is a new kind of oxygen lances that has been developed recently. It is widely applied in electric furnace steelmaking. However,it is less used in converter steelmaking. In this paper, three-hole oxygen lance was selected and the mathematical model which describes jet characteristics was set up. Numerical simulations of coherent jet and traditional jt of oxygen lance were performed by using a commercial software,Fluent, and the simulation results were analyzed. Results show that the attenuation of central jet in the axial is reduced because of the existence of shielding gas, thus proving the superiority of coherent jet oxygen lance in converter steelmaking and providing theoretical basis for later.