共查询到18条相似文献,搜索用时 68 毫秒
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仿真是一种用于模仿一个系统行为的强有力的软件分析方法,仿真技术运用于物流系统将有助于增强人们对物流的认识和改进。本文运用Petri网理论设计并实现了宝钢钢管分公司高压锅炉管精整线物流仿真器,对仿真结果进行了分析。使用该仿真器,选择合适的来料,可以提高生产线物流系统的流通率。 相似文献
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20 0 2年全国炼钢连铸生产技术会议暨第十二届炼钢学术会议于 6月 1 9~ 2 2日在上海宝钢召开。会议由中国金属学会理事长翁宇庆主持 ,中国钢铁工业协会副会长吴建常到会并讲话 ,中国工程院院士、中国金属学会副理事长炼钢专业委员会主任委员殷瑞钰作了题为“整体优化流程 ,形成自主创新特色发展炼钢—连铸技术”的主题报告 ,宝钢股份公司总经理艾宝俊致欢迎词。到会的领导还有中国金属学会常务理事长仲增墉、中国金属学会副理事长兼秘书长李文秀及国家经贸委李忠娟等。来自全国 1 0 0多个单位的 40 0多位专家及代表参加了会议。这次会议的… 相似文献
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介绍宝钢不锈钢事业部不锈钢工程的工艺创新实践,论述了不锈钢冶炼工艺选择的依据,同时分析了宝钢不锈钢炼钢工程工艺创新的特点:第一次将不锈钢生产线和碳钢生产线布置在同一个主厂房内,采用了铁水罐喷吹脱磷工艺,为不锈钢生产线提供脱磷铁水,并设置了强搅拌型真空吹氧脱碳装置(SS-VOD),在满足常规不锈钢冶炼需要的同时,也为宝钢生产超低碳、超低氮不锈钢以及超纯铁素体不锈钢创造了条件。 相似文献
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介绍了济(源)钢炼钢厂物流管理系统的开发、设计、组成、功能、推广和应用,以及该系统投入运行后各项经济指标的提高和取得的经济效益。 相似文献
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Rout Bapin Kumar Brooks Geoff Subagyo Rhamdhani M. Akbar Li Zushu 《Metallurgical and Materials Transactions B》2016,47(6):3350-3361
Metallurgical and Materials Transactions B - Quantification of metal droplets ejected due to impinging gas jet on the surface of liquid metal is an important parameter for the understanding and for... 相似文献
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Physical and mathematical modeling of energy dissipation phenomena in a gas-stirred ladle with, and without, an overlying second-phase liquid have been carried out at relatively low gas flow rate and specific energy input rate. Data from the literature are applied to infer the extent of energy dissipation caused by various mechanisms. An analysis reveals that bubble slippage and friction at the vessel walls dominate energy dissipation in such systems, each contributing roughly one third of the input energy. The remainder is dissipated because of turbulence in the bulk of the liquid, the formation of a spout, and interactions between the upper phase and the bulk liquid when an overlying liquid is present. Remarkably, the overlying liquid despite its small volume (~3 pct to 13 pct of the bulk), is found to dissipate about 10 pct of input energy. To understand the way the total input energy is dissipated via the overlying liquid, flow and mixing studies were carried out with different types of upper phase liquids. Tracer dispersion studies conducted with Petroleum ether as the overlying liquid show reasonably intense flow within the upper phase with no noticeable entrainment around the spout. In contrast, a thick layer of highly viscous upper phase liquid such as mustard oil shows extensive deformation of the upper phase around the spout, but no discernable motion within. However, remarkably, the thickness of the upper phase rather than its physical properties was found to influence bath hydrodynamics and mixing most significantly. A mechanism based on the rerouting of the surfacing plume and the attendant reversal of flow in the vicinity of the spout is advocated to explain energy dissipation caused by the overlying liquid. This finding is rationalized with our experimental results on composition adjustment with sealed argon bubbling (CAS) alloy addition procedures reported more than two decades ago, wherein flow reversal caused by the baffle in the immediate vicinity of the surfacing plume was shown to cause significant energy dissipation, leading to much sluggish flow and slower mixing in the bulk of the liquid, in comparison with an equivalent unbaffled situation. 相似文献