Category

  • Home
  • Archive by category Technical

Characteristic Features of Rotary Kilns

Characteristic Features of Rotary Kilns A rotary kiln is a cylinder which rotates around its cylindrical axis and acts as a device to exchange heat. The kiln is for high temperature applications where it is necessary to change the ‘state’ of the material in a continuous process or in a batch type process. The construction, …

Read More

Ammonia Recovery from Coke Oven Gas

Ammonia Recovery from Coke Oven Gas The coke oven by-product plant is an integral part of the by-product coke making process. In the process of converting coal into coke using the by-product coke oven, the volatile matter in the coal is vapuorized and driven off. This volatile matter leaves the coke oven chambers as hot, …

Read More

Inspection and Testing

Inspection and Testing Inspection is an organized examination or formal evaluation exercise. In production, it involves the measurements, tests, measuring gauges and test equipments applied to certain characteristics in regard to a material or a product. The results are normally compared to the specified requirements and standards for determining whether the material or the product …

Read More

Nozzle Clogging

Nozzle Clogging The disorder of casting process because of nozzle clogging is a long-standing issue ever since the continuous casting process has been introduced. Nozzle clogging is the build-up of solid or semi-solid material on a refractory surface which can become problematic during steel pouring, as it can affect the stream dynamics, reduce the pouring …

Read More

Ladle slag and its role in secondary steelmaking

Ladle slag and its role in secondary steelmaking Presently the production of liquid steel takes place in two stages. The first stage involves getting a semi-product in primary steel making process furnace such as converter, electric arc furnace or induction furnace, whereas the second stage consists in refining of steel in the secondary steelmaking process …

Read More

Cooling of Strip on Run out Table in a Hot Strip Mill

Cooling of Strip on Run out Table in a Hot Strip Mill Hot strip mill is used to produce hot rolled coils of prescribed strip thickness and properties from a slab of known dimensions and chemical composition. Typically, a present day hot strip mill is located after continuous casting facility and consists of reheating furnaces, …

Read More

Electric Arc Furnace Cooling System

Electric Arc Furnace Cooling System The history of electric arc furnace (EAF) steelmaking is not very old. It is only slightly more than a century when the first furnace was commissioned to melt steel by utilizing electric power. The initial development of the technology took place, since these furnaces made it possible to easily achieve …

Read More

Steelmaking in Electric Arc Furnace

Steelmaking in Electric Arc Furnace Though De Laval had patented an electric furnace for the melting and the refining iron in 1892 and Heroult had demonstrated electric arc melting of ferro-alloys between 1888 and 1892, the first industrial electric arc furnace (EAF) steelmaking process only came into operation in 1900. Development was rapid and there …

Read More

Important aspects of design of Blast Furnace and associated ancillary equipments

Important aspects of design of Blast Furnace and associated ancillary equipments The design of the blast furnace (BF) proper and its associated and ancillary equipments (Fig 1) immediately upstream and downstream of the furnace is important for the efficient running of the BF. Besides the furnace proper, the immediate associated equipments include (i) the stock …

Read More

Blast Furnace Slag and its Role in Furnace Operation

Blast Furnace Slag and its Role in Furnace Operation The importance of blast furnace (BF) slag in achieving smooth operation of the BF is illustrated by the old saying ‘if you take care of the slag, the furnace will take care of the rest’. There has been a tremendous quantity of work has been done …

Read More