Introduction: Furnace is an appliance used for heating or melting materials. It is mainly used in industries to achieve their products. There are many types of furnaces of them, blast furnace, electric arc furnace, induction furnace are the most used ones. Especially induction furnace is widely used in many industries mostly steel plants due to its advantages over the rest. Induction furnace uses the law of induction in heating the element. It uses electricity to heat elements that are conductive
Corporation, a Fortune 300 company headquartered in Charlotte, North Carolina, is the largest steel producer in the United States, and the largest of the so-called "mini-mill" steelmakers (those using electric arc furnaces to melt scrap steel, as opposed to companies operating integrated steel works with blast furnaces). Nucor is North America's largest recycler of any material, recycling one ton of steel every two seconds. The company's total annual steelmaking capacity roughly is 25 million tons.[2] Nucor
integrated steel mills were outdated and inefficient compared to new electric minimills. Nucor embraced this new technology to produce steel. They became known for constructing state-of-the-art facilities at the lowest possible costs and for investing aggressively in plant modernization and efficiency improvements. New technology enabled minimills to triple their output in the 1990's. The new technology of twin shell electric arc furnaces helped minimills increase production, lower costs, and take additional
Strategic Profile and Case Analysis Purpose Nucor in 2005 deals with a leading steel manufacturer, the steel industry, and the trends that face each. Steel manufacturing is an old business, but is currently facing the fast changes associated with new technologies and the rise of globalization. The cyclical economic effect in the industry has proved challenging for many steel businesses. Nucor has unequivocally maneuvered this business cycle to maintain a positive profit margin in every quarter
blast furnace. The blast furnace is a chemical process used to create iron from raw materials. Among the vast number of early metallurgical processes used throughout history, the blast furnace is still one of the most economical methods to produce iron. Iron ore, coke, and limestone are charged into the top of the furnace where numerous chemical processes take place. Hot blasts of air enter the bottom of the furnace through nozzles called tuyeres. Dirty gas travels out of the furnace through
Iron is this starting point for steelmaking which has performed as a backbone to the advancement of modern technology and is vital to the upbringing of the future. It acts as the predominant reason for the industrial revolution. The foundation that is iron, more industrially known as Cast Iron has been given the second honour as it is the one of the cheapest materials for engineering, when taken to molten temperatures it gains the ability to be cast into intricate shapes. Cast Iron has been sub-divided
enough to cause softening or melting, thereby achieving coalescence. A filler material is usually added to the work pieces during melting in order to strengthen the joint. [1] The filler material is deposited from a special electrode connected to the electric circuit that also includes the work pieces. [2] The number of different welding processes has increased for the last few decades. These processes differ greatly in the manner in which heat and pressure (when used) are applied, and in the type of
Steel is a very common construction material, which is used throughout the construction industry. steel is used to form a skeleton for the building and/or structure and holds everything in it place. steel is widely used as a building material. it is because of its mechanical properties, ease and speed of construction and design simplicity. it is extremely easy to adjust or to extend to an existing structure constructed of steel by simply welding or bolting new steel pieces to the existing structure
through the mixture and a frothed layer or a foaming layer allows the copper to attach and overflow the tank, this is called ore benefaction. This is when the concentrated copper gets refined. The concentrate is dried and sent into a reverberatory furnace. The minerals are partly oxidized and melted, resulting in isolated layers. The matte layer refers to the iron-copper sulfide mixture which sinks to the bottom. The slag, which refers to the remaining impurities, floats on top of the matte and the
In light with the modern industries, steel has been discovered to be the central supporting part of most manufacturing industries or production industries. Steel is a relatively cheap and versatile material used in the production of about every kind of good or machinery, and because of this steel is vital in the modern style of living and for the economic well-being. Additionally, because of the essential functions played by steel in general economic and infrastructural development, the steel industry
Sydney Tar Ponds Even though The Sydney Tar Ponds have been remediated, dumping chemical byproducts in the nearest water source is not the most effective solution for controlling your industrial waste because The Tar ponds contain over 700,000 tons of toxic sludge, there was an abundance of health concerns and deformities in humans and animals that lived near the area, and the cost for remediation totaled to a whopping amount of 400 million dollars. Well, tar is an almost liquid black substance
engineers had to undergo to produce such a simple product. Kettles have been used ever since the ancient romans times, made from iron or a ceramic material. The first electrical kettles that used heating elements were introduced in 1891 by the Carpenter Electric Company of Chicago. The Ceramic kettle became widely used during world war two as metal used for the kettle was in short supply thus making ceramics the best material for kettles during that time not only this but because of the excellent properties
conjunction with an electric arc through a small orifice. The gas produces extremely high temperatures to melt the metal. (Chater, 2010) Finishing Finally the surface is finished to the required standard by using several methods. Finish type Method Dull finish Hot rolling, annealing, and descaling Bright finish First hot rolling and then cold rolling on polished rolls Highly reflective finish Cold rolling in combination with annealing in a controlled atmosphere furnace, by grinding with
INTRODUCTION: Civil Engineering is evolving and its evolution needs to increase. This report endeavours to place the progression of technology and the addition of engineering into its archival background. With the increasing problems that tackle the world of civil Engineering and Structural designs, solutions need to be yielded to protect and maintain structural forms not just in our present age but in the future to come. The major setback is that our present approach to advancement is unsustainable
3.2 Instrumentation: Instrumentation is the branch of engineering that deals with measurement and control. The instrument that is used for the determination of concentration of trace metals is AAS (Atomic Absorption Spectrophotometer). The official definition of instrumentation- is a collection of instruments and their application for the purpose of observation, measurement and control [23]. An instrument is a device that measures or manipulates variables such as flow, absorbance
History of Oxy-fuel welding and cutting Oxy- fuel welding is usually called in workplace/trades terms oxy acetylene welding, gas welding and oxy fuel cutting which are all use fuel and oxygen to cut and weld metals together. It all started with the famous chemist Edmund Davy, who is suppose to be considered as the first man to make acetylene. By accident in 1836 Edmund while trying to make potassium created a black compound which was mixed with water create a gas that burned greatly. Edmund
What driving forces do you see at work in this industry? Are they likely to impact the industry’s competitive structure favorably or unfavorably? There is new and advanced technological innovation in the manufacturing of steel through electric arc furnace technology, the direct casting of carbon steel and thin slab casting that has made companies like Nucor to thrive. With the use of low-cost steel manufacturing technology, this move is likely to increase the competitive forces put up by the
The Steam Engine and Electricity Powered the Industrial Revolution The Industrial Revolution was an extremely important historical process in which the societies and cultures in the West, and then throughout the world, transformed under the influence of technological and scientific progress. The Western world, as industrialized as it is today, is the final result. Two major inventions, the steam engine and electricity, were both crucial parts of the technological progress that turned the wheels
II.INDUSTRY PROFILE 2.1.INDUSTRY PROFILE(Fondry Industry): Foundry industry is a branch of industry that produces the castings by filling molds with molten alloys. The volume of foundry production in the world is more than 80 millions. Casting is used to produce an average of 40%(by weight) of stock for machine parts,bt in some areas of machine building, such as appliance tool manufacture, the percentage of castings is 80 percent. Appliance building consumes about 70 percent of all cast stock, the
Designer Diamonds Newspaper Article What have been the effects of diamond mining had on the environment and people of Africa (or India) especially those in Zimbabwe and Sierra Leone? Sierra Leone has been through decades of resource exploitation. Also a brutal ten-year war has taken its toll on all the people and their land that they are living on. Most of these are among the poorest and the most uneducated people in the world. In Sierra Leone, mining is basically a way of living for them. When the