Based on the onflow theory, a 3-d model of fluids steel was established, calculation program developed the flow character of mold fluid steel on different nozzle conditions in beam blank c.

依据湍动能理论，本文建立了结晶器内钢液的三维湍流模型，开发了计算程序，研究了不同水口状态下异形坯结晶器中钢水的流动特性。

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A super-flat submerged nozzle (SEN) was developed for beam blank caster of Laigang to achieve full protection for casting.

针对莱钢异型坯连铸机实现全保护浇注的要求，开发了一种超扁平形状的浸入式水口。

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