Integrated steel plant pdf

Krakatau steel has six production plants, making the company as the only integrated steel plant in the country. An integrated steel plant is large and handles everything in one complex from assembling raw material and melting of iron ore in the blast furnace to steel making, rolling and shaping. Production processes of steel products in krakatau steel starts from a direct reduction plant. The ehs guidelines for integrated steel mills include. Integrated steel plants in the eu have often an onsite power plant where the process gases, such as bf, bof, and cog, is used to produce heat and power.

The present work is carried out in cold rolling mill aiming to recovery maximum water. Although primarily a metallurgical industry, it requires expertise from many branches of engineering, including information technology as well. The offgas from the cfb recycle cyclone passes through various stages for heat. Direct reduction scrap ladle refining electric arc furnace steelmaking iron ore pellets electric arc furnace steelmaking continuous casting design by cover photo. These plants produce many kinds of downstream products from upstream raw materials. A steel mill or steelworks is an industrial plant for the manufacture of steel. In an integrated steel plant, direct charging of the fines is also possible.

How are integrated steel plants different from mini steel. Integrated steel plant an overview sciencedirect topics. Not all steel plants produce all of the products shown in this diagram. However, the marketed tonnage is only about 90% of the raw steel because of process losses and recycled scrap arising from rejectsand trimming to size.

Scanmet ii 2nd international conference on process development in iron and steel making, june 2004. Energy flow and process gas utilisation in integrated steelworks. The off gas from the cfb recycle cyclone passes through various stages for heat. Emissions in the sinter plant arise primarily from materials handling operations, which result in airborne particulate matter, and from the combustion reaction on the strand. Description of the iron and steel industry the production of steel at an integrated iron and steel plant is accomplished using several interrelated processes. Available and emerging technologies for reducing greenhouse gas emissions from the iron and steel industry prepared by the sector policies and programs division office of air quality planning and standards u. Water management plays a vital role in steel industry. It may be an integrated steel works carrying out all steps of steelmaking from smelting iron ore to rolled product, but may also describe plants where steel semifinished casting products blooms, ingots, slabs, billets are made, from molten pig iron or from scrap.

Total plant monitoring for an integrated steel plant july 20 20, hcl technologies, ltd. Santanu chakraborty, in treatise on process metallurgy. An integrated steel plant employing the blast furnacebasic oxygen furnace bfbof route is a prime example of a process industry. Integrated steelmaking operations fall into three main phases. An isp facility directly connects the steel making furnace, continuous caster, hot rolling mill, cold rolling mill and nishing mill into a synchronized production ow. It can be noted that the major share 72% of energy is required during iron making which includes coke making 12%, iron ore sintering 6%, and blast furnaces 54%. Total plant monitoring for an integrated steel plant. Republic steel lorain hot rolled bar plant lorain, 1200oh grupo simec republic steel 12b. Nowadays integrated steelworks are rarely viable at less than 3 million tonnes p.