Converter steelmaking is currently one of the most widely used steelmaking methods in the world. It has become the mainstream steelmaking method due to its high efficiency, short smelting cycle, low steel production cost, and suitability for the smelting of multiple steel grades. According to statistics, converter steelmaking accounts for more than 70% of the…
Varieties of graphite electrodes Electric arc steelmaking furnaces are generally divided into three categories, namely ordinary power electric furnaces, high power electric furnaces and ultra-high power electric furnaces. Corresponding to the power level of electric furnace steelmaking, graphite electrodes are also divided into 3 varieties accordingly, namely ordinary power graphite electrodes (code RP grade), high…
In actual production, in the specific steel processing stage, the defects that affect the quality of hot-rolled strip are explored and researched, and the technical problems and the ways to solve the problems are found, which will improve the overall production quality of the steel industry. Corresponding costs and improving the qualification rate have very…
In layman’s terms, the tundish (picture 2 above) is a refractory container, which is used to contain molten steel poured from the ladle (picture 1 above), and then diverted to each mold (picture 3, 6 above). Reduce pressure to stabilize steel flow. The height of the liquid level in the ladle is at least…
When the electric furnace gas discharges to form an arc, the energy is very concentrated, and the arc zone temperature is above 3000 ℃. For electric arc steelmaking furnaces, the bottom and walls of the furnace are built with alkaline or acidic refractory materials. During the steelmaking process, the working layer of the inner lining…
Functional refractories for continuous casting refer to the integral stopper, (ladle) shroud and immersion nozzle, which are called the three major pieces of continuous casting. Some people also include the ladle slide plate, the tundish slide plate, and the tundish top nozzle. Carbon refractories are commonly known as carbon-bonded refractories. In fact, the flow control…
Before talking about the reasons for the damage of the ladle slide, we first have a general understanding of the sliding mechanism of the ladle. The structure diagram of the nozzle and the sliding plate is as follows: The ladle sliding nozzle is composed of a sliding mechanism, an upper nozzle, a sliding plate,…
In addition to the material itself, the construction method is very important for the tapping channel. Now briefly described as follows 1) Ramming forming method This method is the construction method for the lining of the iron tapping ditch in the past. It is often used on the tapping ditch of small blast furnaces. Now…
At present, the working layer of high-power and ultra-high-power electric furnaces is generally constructed with magnesia dry ramming material. The working layer uses refractory materials to directly contact molten steel and slag, and directly bear high-temperature thermal load and corrosion of molten slag, and erosion of molten steel and steel scrap. Mechanical impact and oxidation…
The equipment is equipped with multi-curve and multi-functional integrated high-tech products such as remote monitoring and operation, and it also reflects the strength of Hansen Intelligence to intelligently upgrade and transform steel-making unit equipment products. Heating the entire tundish lining, and heating evenly; Automatic ignition, safe and reliable, the ignition success rate is nearly 100%;…
