Method for producing continuous casting round billet of wind power tower cylinder flange steel
一种风电塔筒、连铸圆坯的技术,应用在冶金领域,能够解决生产过程及质量控制难度加大、产品探伤合格率低等问题
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[0041] The steel used for the flange of the wind power tower is made of a continuous casting machine with a full arc radius of 16.5m. During the continuous casting process, the superheat of the continuous casting molten steel is controlled at 23°C, the secondary cooling zone of the continuous casting slab is cooled by air mist, and the specific water volume is controlled at 0.16L / kg 钢 , the casting speed is controlled to 0.32m / min, the current of the electromagnetic stirring of the mold is controlled at 300A, the frequency is controlled at 3.0Hz, the current of the electromagnetic stirring at the end of solidification is controlled at 400A, and the frequency is controlled at 10Hz. Add mold flux into the crystallizer, and the alkalinity of the mold flux is 0.7, the melting temperature is 1175°C, and the viscosity is 1.5Pa·S. The round billet is straightened by continuous straightening. Obtain a steel round billet with a diameter of 650 mm for the flange of the wind power tower...
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