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model of the copper concentrate reaction in the flash smelting furnace reaction shaft was proposed by treating the shaft interior space as a system where the concentrate and oxygen-rich air achieve local... should be protected more strongly by cooling water. Key words: copper flash smelting; reaction shaft; Fe3O4; thermodynamic; frozen slag 自1949年芬兰奥托昆普问世以来,经过不断改进,完善和发展,闪速熔炼已成为当今最具有竞争力的铜镍强化熔炼技术[1],被普遍认为......
of copper flash smelting process based on genetic algorithms WANG Jin-liang1, 2, LU Hong3, ZENG Qing-yun1, 2, ZHANG Chuan-fu2 (1. Faculty of Material and Chemistry Engineering,Jiangxi University... University of Science and Technology, Ganzhou 341000, China) Abstract: Based on the built neural network model, the technological parameters of copper flash smelting process were optimized to make......
071002, China) Abstract:The ZnO and Zn1-xMnxO minicrystal were synthesized by chemical vapor transport (CVT). The electron trap structure (donor level) and process on the temporal behavior... ℃ and the other is -127 ℃, which shows two kinds of electron trap energy level produced by the intrinsic defects in ZnO;but obtain very low thermo-luminescence that only equals to ten percent of pure......
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. Visual spray flash photography test bench was set up. Three-dimensional numerical simulation of spraying process was completed on AVL FIRE software platform. The accuracy of the simulation model... fuel to the surrounding and the bottom of combustion chamber. Key words: diesel engine; super-high pressure; spray characteristics; flash photography; physical parameter 随着全球能源利用标准和排放法规日趋严格,各国政府对柴油机尾气排放......
和T建议分别控制在0.20%,0.4和1526 K,而CO应根据制氧成本和炉内反应状况适当控制. REFERENCES [1] SWINBOURNE D R, KHO T S. Computational thermodynamics modeling of minor element distributions during copper flash converting[J]. Metall... A, HANNIALA P. Flash smelting and converting furnaces: A 50 year retrospect[J]. JOM, 2000, 52(2): 57-61. [4] KOJO I, LAHTINEN M, MIETTINEN E. Flash converting-sustainable technology now and in the future[C......
Trans. Nonferrous Met. Soc. China 22(2012) 1517-1525 Numerical simulation of flow characteristics in settler of flash furnace ZHOU Jun1, CHEN Zhuo2, 3, ZHOU Ping2, 3, YU Jian-ping2, LIU An-ming4 1...: A computational fluid dynamics (CFD) simulation was carried out with CFX4.3 to investigate the melt flow and temperature distributions in the settler of a flash furnace. Sixteen cases of one slag tap hole adopted......
A, HANNIALA P. Flash smelting and converting furnaces: A 50 year retrospect[J]. JOM, 2000, 52(2): 57-61. [3] REUTER M A, KOJO I V. Copper: A key enabler of resource efficiency[J]. World Metall-Erzmetall, 2014, 67(1): 5-12. [4] 宋修明, 陈 卓. 闪速炼铜过程研究[M]. 北京: 冶金工业出版社, 2012. SONG Xiu-ming, CHEN Zhuo. Research of copper flash smelting process[M]. Beijing: Metallurgical Industry Press, 2012. [5] HANNIALA P......
数编码的加速遗传算法进行模型参数的实时更新.训练样本的机器选择可以避免人工选择带来的主观性和盲目性缺陷, 模型参数的更新训练只在相似样本集中进行,可有效提高模型参数更新速度.实际生产数据仿真结果验证了所提方法的有效性和可行性.关键词:铜闪速熔炼过程;投影寻踪回归;相似性度量;加速遗传算法Key process indicators predicting for copper flash... regression that can predict the key process indicators for copper flash smelting process was proposed. With the similar samples set retrieved from the data base, the model of predicting key process indictors......
, China) Abstract: Thermal diffusivity of electron beam-physical vapor deposition (EB-PVD) TBCs was measured using laser flash method. The error ranges were analyzed and the effects of heat treatment... the radiation effect on thermal conduction. Key words: thermal diffusivity; thermal barrier coatings; EB-PVD; laser flash method  ......