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五机五流直弧形宽扁坯连铸机的设计特点
Design Feature of Domestic Five Strand Straight Arc Type Wide Flat Slab Continuous Caster
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- DOI:
- 作者:
- 陈阳 周干水 裴国良 胡旭哲 万茂军 邹旭 夏秋
CHEN Yang;ZHOU Ganshui;PEI Guoliang;HU Xuzhe;WAN Maojun;ZOU Xu;XIA Qiu
- 作者单位:
- 中冶南方连铸技术工程有限责任公司
WISDRI CCTEC Engineering Co.,Ltd.,Wuhan 430073,China
- 关键词:
- 直弧形 宽扁坯连铸机 液压振动 拉矫机 控流模式
straight arc type wide flat slab continuous caster hydraulic oscillation withdrawal and straightening unit flow control pattern
- 摘要:
- 为配合某钢厂实施产能置换以丰富产品结构,特新建了一台中国产多流直弧形宽扁坯连铸机,可同时五流生产165/180×(450~750)小板坯。该铸机设计新颖,集常规双流板坯、多流矩形坯铸机特点于一身。采用同位异形钢包回转台、中间罐双控流模式、密排夹持段径向抽出、上下驱动牌坊式拉矫机、新型液压振动、L型飞锤式去毛刺机、辊列优化、二冷动态配水等多项新技术,可为同类连铸机的建设提供参考和借鉴。两年的生产实践表明,该铸机生产维护操作日趋熟练,各项指标达到设计要求,经济性能优越,铸坯表面无缺陷、内部质量优良,实际生产效果令人满意。In order to carry out capacity replacement in X Steel Plant to enrich product structure,a new domestic multi-flow straight arc wide flat billet continuous casting machine is built,which can produce 165/180×(450~750)mm small slab with 5-strand at the same time.The design of the casting machine was novel,which integrated the characteristics of conventional double-flow slab and multi-flow rectangular slab.The new technologies,such as same-position profile-shaped ladle rotary table,double control mode of intermediate tank,radial extraction of dense row clamping section,up-down driving brand type pulling-leveller,new hydraulic vibration,L-shape flying hammer deburring machine,roller line optimization and dynamic water distribution for secondary cooling,which could be used for reference for the construction of similar continuous casting machines.Two years of production practice show that the machine is becoming more and more skilled in production and maintenance operation,the indexes meet the design requirements,the economic performance is superior,the surface of the casting billet has no defects,the internal quality is excellent,and the actual production effect is satisfactory.