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The concept and classification of cast iron
Introduction
Iron casting is one of the oldest known forms of metalworking. It involves pouring molten metal into a mold and allowing it to cool and harden in order to form a solid shape. The casting process has been used for thousands of years and is still used today in a variety of industries i......
1037 
Sophia
Features and Benefits of Activated Lime
Introduction
Activated limestone is a form of crushed limestone from which calcium carbonate (CaCO3) has been dissolved and then reformed as particles. It is a versatile material that can be used for many purposes, including water filtration and neutralization. Activated limestone is essentially ......
Harmful ingredients in cast iron smelting
Introduction
Iron smelting is the process of heating and melting iron ore over high temperatures in a blast furnace. The aim of this process is to separate impurities from the iron resulting in wrought iron or pig iron which can then be used to create a vast number of finished iron products. In th......
Questions and Answers on Basic Knowledge of Ironmaking Production
The History of Iron Refining
Iron refining is an ancient practice that dates back thousands of years. It is the process of extracting impurities from raw iron and purifying it into a usable form, either as wrought iron or steel. During the Iron Age, which lasted from 1200 BC to 600 BC, a major ad......
Sulfation Roasting
Calcination or calcining is a thermal treatment process that uses extremely high temperatures to change the chemical composition of materials. Generally, calcination refers to the process of heating a solid material to a very high temperature to cause the physical and chemical changes that are not......
The purpose and means of out-of-furnace refining
Introduction
External refining is a metallurgical process used to produce high-quality steel ingots and billets by removing impurities from the molten steel. This is done by controlling the chemical compositions of the steel, by using a process of decarburization and oxidation through the additi......
Sintering production management system
1 Introduction
Sintering, also known as agglomeration, is the process of combining and sintering a mixture of powdered materials to form a larger, more uniform grain size product. The process is widely used in the production of steel and other metal products. Sintering involves heating a powdered......
Refractories for hot metal pretreatment
Heat Resistant Materials Used in Ironmaking Pre-treatment
Ironmaking is a process in which iron ore is smelted in a furnace to produce metallic iron. Before this process can begin, the iron ore must go through pre-treatment, which includes the crushing and grinding of the ore. The resulting powde......
large blast furnace
Blast furnace is a type of metallurgical furnace used for metal smelting and other industrial processes. It is commonly used in iron and steel making, and it is the most important metallurgical process for large-scale steel production.
The blast furnace was invented in the 19th century, and it is......
hammer crusher
Hammer Crusher
An important component of a complete crushing system is the Hammer Crusher, which is widely used in mining, smelting, building material, chemical engineering and other related industries. It is commonly used as a primary crushing machine, but can also be used to crush rocks, ore, a......
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