视频 欧美 国产_日韩欧美自拍另类_亚洲少妇无套内射激情视频_男女黄色网站免费观看_一区二区成人av_日本黄色录像一级片_国内精品三级电影_少妇三级高清自拍_免费国产黄在线播放_丰满少妇人妻HD高清大乳

Practical research on optimizing inventory and reducing cost of blast furnace

2022-07-13

　　Abstract: the first phase project of Rizhao Co., Ltd. of Shandong Iron and Steel Group has a designed sinter capacity of 11.172 million tons. The iron containing raw materials for sintering are 100% imported ores every year, ...

Production practice of activating hearth and increasing production capacity of No. 3 blast furnace of Shougang Tonggang

2022-07-05

　　Abstract: This paper mainly summarizes the production practice of activating the hearth and improving the production capacity of Shougang Tonggang No. 3 blast furnace. In September 2019, the limited oxygen supply and the decl...

Discussion on current situation and control measures of zinc load in blast furnace of Xinsteel

2022-07-04

　　Abstract: Based on the analysis of the raw fuel and incoming iron of Xingang blast furnace, it is clear that the main sources of zinc in Xingang blast furnace are converter sludge, Daying ore and purchased pellets, and the fu...

Analysis of blast furnace ironmaking process and equipment maintenance

2022-07-01

　　Blast furnace ironmaking is an important part of iron and steel production. The iron making technology currently used is: at high temperature, when carbon rises in the furnace, it reacts with oxygen in the air. This process c...

Research on safe operation evaluation technology of blast furnace hearth

2022-06-30

　　Abstract: Aiming at the problem that the current safe operation evaluation technology for blast furnace can not analyze the corrosion data of hearth lining, resulting in poor reliability of evaluation results, a new safe oper...

Analysis of blast furnace blast

2022-06-30

　　agglomeration process 　　■ if the personnel fail to comply with the safety operation regulations, gas maintenance safety regulations, and do not wear labor protection articles, gas poisoning, gas explosion, scalding, elect...

Comprehensive characteristic analysis of blast furnace fuel injection

2022-06-28

　　After decades of development, the technology of pulverized coal injection into blast furnace has become a common technical means used by major iron and steel enterprises at home and abroad. Coal injection into blast furnace p...

Production practice of increasing tundish life at high casting speed

2022-06-27

　　Correctly view the influence mechanism of raw fuel quality on the smelting process of blast furnace, rationally analyze the operation trend of furnace condition, strengthen the screening management under the trough, do a good...

Low blast temperature operation practice of No. 8 blast furnace in Shaogang

2022-06-25

　　Baowu group Zhongnan iron and steel Guangdong Shaogang Songshan Co., Ltd. (hereinafter referred to as "Shaogang") opened its 3200m3 No. 8 blast furnace in October, 2009. It is equipped with four high-temperature and...

Study on reducing coke ratio of blast furnace

2022-06-24

　　Based on the analysis of the actual situation of the current national iron and steel industry, the development of non blast furnace ironmaking technology in China is slow (such as rotary hearth furnace), high energy consumpti...

Analysis and Discussion on activity of blast furnace hearth

2022-06-23

　　Modern blast furnaces are developing towards large furnace capacity and high production efficiency. As a resource and energy intensive blast furnace ironmaking process, the essence of improving the activity of blast furnace h...

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'...