Depending on the plant design, the process gas is com. Electric arc furnace design operation and working principle. Sms siemag submergedarc furnaces and electric smelters 8 a wide range of design services we have designed a large variety of submergedarc furnaces and electric smelters, adapted to suit the individual requirements of the customer. Saeofhea meal recoe fom nonfeo slag bernd friedrich1 michael kalisch2 david friedmann1 rolf degel2 frank kau.
Modeling of tapping processes in submerged arc furnaces core. The temperature profile in the submerged arc furnace has a great influence on. Most modern furnaces are equipped with watercooled panels in the upper half of the sidewall, rather than refractories, which allow for longer arcs and higher energy input to the furnace. Dc arc furnaces past, present, and future rodney t. A typical submerged electric arc furnace design is depicted in figure 12. These improvements to the processing of scrap steel comprised of larger more efficient and higher capacity furnaces. Subsequently, the arc is lengthened by increasing the voltage to maxi mum power. The lower part of the submerged electric arc furnace is composed of a cylindrical steel shell with a flat bottom or hearth. Pdf electric arc furnace eaf is more popular due to good quality product of alloy steels. Graythe design and implementation of a microcomputer system for.
It becomes apparent that the application of the submerged arc furnace saf in nonferrous metallurgy processes is increasing, in particular for the extraction of zinc, lead, copper and nickel. Alloys to a 12mw dc arc furnace of asea design in 1984. We can supply graphite electrodes with immediate delivery. Fundamental aspects of alloy smelting in a dc arc furnace.
The second world war saw a steep increase in the use of these furnaces leading to the modern electric arc furnace design operation and working principles. Development in the design and t construction of dc arc. Sms demag electric arc furnaces design features 4 sms demag electric arc furnaces are known worldwide for their availability and robustness. An electrode controller for submerged arc furnaces sciencedirect. On this channel you can get education and knowledge for general issues and topics. Our furnace design reflects constant improvements and responds to our customers demands. Pdf the submerged arc furnace saf state of the art in metal. The unique design features a segmented heat shield with a quick release mechanism.
The design of high power smelting units in the ferro. Project approach the following serves as a brief summary of the approach followed for recent successful dc arc furnace projects. Plant design all design work for the relevant plant and equipment were done on with the latest 3dimensional parametric design tools. The interior of the shell is lined with 2 or more layers of carbon blocks. The submerged arc furnace saf state of the art in metal recovery from.