Steel Scrap and Scrap Sorting and Preparation Processes
…can be of either the belt-type or the drum-type. In the drum type process, a permanent magnet is located inside a rotating shell. Material passes under the drum on a…
Read MoreRotary Kiln
…on the riding rings and the shell. Thrust rollers – Thrust rollers prevent the drum from drifting or moving horizontally by pushing against the riding rings. The trunnion wheels act…
Read MoreRing Rolling
…(Fig 3b). By the early 1900s, water hydraulic horizontal machines with directly operated valves were being constructed with this second pass diametrically opposite the original radial pass for the purpose…
Read MoreProcess Control System
…output (SISO) control structure, and (ii) multiple input-multiple output (MIMO) control structure. In SISO control structure for one control (output) variable there exist one manipulated (input) variable which is used…
Read MoreCorrosion of Cast Irons
…these. Bainitic structure provides to the cast iron very high strength at a machinable hardness. Martensitic structure can also be obtained in cast iron. This structure is obtained by alloying,…
Read MoreFuel Combustion and Heat Transfer in a Furnace
…of specifying the oxidizer composition is by calculating the O2 mole fraction in the oxidizer. Many industrial combustion processes run with around 3 % more O2 than is theoretically needed…
Read MoreUnderstanding the Process of Continuous Casting of Steel
…solidifying of liquid steel in the tundish nozzles usually occurs. Casting temperature can also affect the crystallization structure of the cast steel. Optimum structures are normally obtained with low superheats…
Read MoreImportant Features of Rolling of Wire Rods
…time divided by the planned production time and expressed in percentage. The mill efficiency is running time divided by the available operating time of the mill and expressed in percentage….
Read MoreBearings for Rolling mill Rolls
…a combination of all of these. The controls provided in the mills can be manual controls, remote controls, instrumented controls, or fully automated controls. Further in many types of mills…
Read MoreRoll Pass Design
…in Fig 1. Fig 1 Typical drawings of some pass grooves Thumb rules Some thumb rules used in roll pass design for groove angle, relief radius, bottom radius, and fitting…
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