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Improving the ratio of molten iron in hot charging of electric arc furnace through furnace wall cluster oxygen supply technology
Introduction
For a long time, the electric arc furnace has been widely used in the steelmaking industry to produce molten iron with higher efficiency and lower energy consumption. Although the electric arc furnace is an important equipment for smelting, there are still many shortcomings in the cu......
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Acid open hearth steelmaking
Acid Open-Hearth Steel Making
Introduction
Acid open-hearth steel making is a process used to produce steel from ore in an oxygen-enriched environment. The process involves combining iron ore, flux materials, and scrap steel in a large open-hearth furnace. The heat enables the steel to be separat......
Cleaner Production in Iron and Steel Industry—Converter Negative Energy Steelmaking Technology
Abstract
Due to the rapid development of steel industry for many years, the traditional steelmaking technology has been unable to meet the needs of the society and development. If a clean production technology is used, emissions from the steelmaking process can be greatly reduced. A novel clean s......
The gap between my country and foreign wire rod production technology The gap between my country and foreign wire rod production technology
The Gap between Chinas Wire Rod Production Technology and Foreign Technology
Compared with the steel industry in developed countries such as the United States, Europe and Japan, Chinas steel industry still has a great gap in terms of technology, equipment level and production capacity. In particu......
Changes in Properties of Steel Bars after Controlled Rolling
Implementation of Control Rolled RebarProperty Change
In order to improve the steel performance of reinforcing steel bars, control rolling technology has been adopted in the process of rolling steel bars. Control rolling affects the size, shape and orientation of the grains in the steel, which le......
Stamping accuracy of ordinary all-steel die
The precision of stamping depends on a number of factors, including the material of the blank and the shape of the formed parts. For general full-steel moulds, the accuracy of stamping parts is mainly determined by the material of the mould, the size and curvature of the drawing parts, the matchin......
Thermal agent molten steel
Recharge Medium Steel
Recharge medium steel, also known as bearing steel, is a kind of common steel primarily used for the production of roller bearings and self-aligning bearing shells. It is primarily made with a combination of carbon, chromium and aluminum, which is used to improve its corrosi......
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 10)
Welding Specifications
In order to ensure the welding of steel structures meets the standards and specifications set by JGJ 81-2002, special welding specifications must be followed. Welding specifications for steel structures include the preparation of welder qualification test, the architectural......
peritectic reaction
Hydrogen embrittlement becomes a serious failure mode of many industrial metallic materials, especially on high-strength steels or alloys that experience high mechanical stress or fatigue, when subjected to high hydrogen content environment. Hydrogen embrittlement of metals is an important phenome......
Application of Frequency Converter on Cylindrical Grinding Machine
Application of Frequency Inverter in External Cylindrical Grinder
The external cylindrical grinding machine is one of the most important grinding machines for producing finishing parts. In order to obtain higher precision and meet the requirements of mass production, the frequency inverter is use......
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