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B. V. Krokhin 《Metallurgist》2005,49(5-6):200-201
A new complex being built at the Nizhniy Tagil Metallurgical Combine will include the following furnaces: a rotary heating
furnace with a capacity of 50 tons/h or 100 semifinished products/h; another rotary furnace, equipped with quenching tables,
for heating wheels prior to quenching; a tempering furnace. All of the furnaces will have modern control systems to control
the processes of heating the semifinished products and heat-treating the wheels. These advanced furnaces will make it possible
to improve the quality of the heating operation, reduce the energy costs incurred in production, and decrease the amount of
metal lost due to oxidation.
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Translated from Metallurg, No. 5, p. 62, May, 2005. 相似文献
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结合鞍钢1700中薄板坯连铸连轧改造工程,简要介绍了步进梁式加热炉的电气控制流程,阐述了炉区装/出钢机、步进梁的控制以及辊道的跟踪、顺控思想等. 相似文献
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简要介绍了红钢半连续棒材轧机的工艺技术特点。采用半连续轧制工艺使小型轧机技术装备水平得到提升,实现了投资少,见效快的经济型改造,这种改造模式对提高我国小型材“连轧比”有一定的促进作用。 相似文献
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Electric arc furnace (EAF) dust is a hazardous waste product of the steelmaking industry with a high concentration of heavy metals, especially Zn and Pb. Existing treatment processes are industrially viable only when the zinc content is sufficiently high. In this research we present an industrial-scale process to enhance EAF dust by recycling it to the same furnace in which it was generated. This process, called RECUMET?, involves two parts: (1) the manufacturing of self-reducing briquettes composed of dust from the steelmaking process, reducing agents and agglutinant agents; and (2) the loading of the briquettes into the EAF. Several tests have been performed to improve the chemical, mechanical and thermal properties of the briquettes. These include determinations of compressive, breaking and abrasion strength, softening and melting points, and thermal behavior. The theoretical energy balance calculated from the process of loading briquettes into the EAF has yielded a positive value of ~ 5×105?kcal/t of briquettes, showing that extra energy is clearly supplied to the furnace. Results corresponding to trials in the EAF are also shown. These include data on taps, slags, energy consumption and the quality of new dust. 相似文献
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T.H.Austen 《钢铁》2004,39(10):50-53
利用闪光焊接设备对钢坯进行焊接,使棒线材轧机得以不间断生产,提高了产品质量和生产率,同时降低了生产成本。描述了钢坯对焊设备,重点介绍了焊接工艺和质量。 相似文献
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本文根据实际调查阐述了铝带箔轧机轧制油的消耗途径和消耗量,分析了轧制油的回收利用途径.介绍了油雾全油回收及轧制油再生装置的工艺原理、设备组成及经济效益. 相似文献
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探讨了油气润滑技术的工作机理、组成和优点.阐述了REBS油气润滑系统在宝钢冷轧机上工作辊、支撑辊轴承润滑中的应用,提出了轴承润滑需油量、润滑间隔等参数的计算方法. 相似文献
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