高速连铸钢水温度控制
MOLTEN STEEL TEMPERATURE CONTROL DURING HIGH SPEED CONTINUOUS CASTING
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摘要: 介绍了攀钢连铸机开展1.8 m/min高速连铸改造的温度控制实践。采取了钢包保温、钢包预热、LF工位钢包炉加热和废坯降温调节钢包钢水温度、中间包保温控制浇注过程温降等措施。连铸钢水出钢温度比原来降低10~15℃,取得中间包钢水过热度≤ 25℃的良好效果。Abstract: Improved molten steel temperature control at high casting speed of 1.8 m/min for Pangang casteris introduced.A lot of measures such as ladle insulation, preheating ladle, heating molten steel in LF and molten steel temperature adjustment with slab scrap, tundish insulation, used for controlling temperature drop are adopted.Tapping temperature of molten steel is decreased by 10~15℃ in comparison with conventional one.A satisfied result with ≤ 25℃ overheating degree of molten steel in tundish is achieved.
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Key words:
- high speed continuous casting /
- molten steel /
- temperature /
- holding temperature
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