精品国产AV一区二区三区妓女_欧美日韩午夜视频在线观看_欧美亚洲另类国产很色婷婷_青青伊人久久_91精品在线视频免费_亚洲美女一区_女人张开腿男人桶爽视频_午夜无码伦费影视在线观看_性生活免费大片_在线观看欧美二区

Practice of the first stage of magnetic separation of steel slag in Honggang

2022-06-22

　　Abstract: steel slag contains not only high iron content, but also high Cao and MgO, which are indispensable elements in iron and steel production. The resource utilization of steel slag, on the one hand, can reduce the produ...

Practice of the treatment of the splashing in No. 6 BF of the Xi'an iron and Steel Co

2022-06-22

　　Xilin Iron and Steel No. 6 blast furnace, with design effective volume of 1260m ³， There are two tapholes, and the East and West tappings in front of the furnace alternate tapping mode. The No. 6 blast furnace of Xi'...

High precision cold rolling strip shape control and equipment technology

2022-06-21

　　The research on "high precision cold rolled strip shape control and equipment technology" aims to develop and break through key technologies such as adaptive setting of strip shape target curve, multivariable optimi...

Cause analysis and treatment of difficult opening of blast furnace taphole

2022-06-21

　　1. Foreword 　　The iron port of the blast furnace is the process channel for discharging slag and iron in the furnace, and the iron port is repeatedly opened and blocked. The iron port channel is subject to mechanical scou...

Design of on-line vibration monitoring and fault diagnosis for main drive of hot rolling finishing mill

2022-06-20

　　This paper describes the overall design, basic structure and data storage strategy of the on-line vibration monitoring and fault diagnosis system for the main drive of hot rolling finishing mill in Bayuquan branch of Angang. ...

Brief discussion on current iron smelting operation process of branch plant

2022-06-20

　　Abstract: with the rapid development of stainless steel production in the world, China's market demand for stainless steel materials is also growing. At present, most of them need to be imported. Therefore, in recent year...