Severstal completes maintenance campaign at Cherepovets

Nov. 24, 2010 - In October, service companies Severstal Russian Steel campaign spent repairing equipment modernization Cherepovets Steel Mill.
Once again this year to repair units were shut down the entire process chain: sinter number 11 blast furnace No 5 converter Number 2 continuous casting machine Number 1 and number 3 the standard in 2000 with the second heating furnace and a continuous pickling unit No 3. This one time large scale update required by service companies' Russian steel is particularly hard work.
In addition to the restoration of the design parameters of aggregates, Firm Stoic and Electroremont have implemented a number of new technical solutions. For example, in the overhaul of the converter number 2 steel productions have upgraded the channel flow of bulk materials which not only facilitate the repair and adjustment work, but also increase productivity tract filing. In addition, repairers have installed an additional ladle with a new automation system that will improve the performance of departments of smelting and casting.
During the repair of the continuous pickling unit No 3 experts Electroremont installed frequency converters in the leveler machine and sheet shears, which reduced the mechanical damage on the sheet, the dynamic impacts on the electric motor and, consequently, improve the protection of electric machines. Repairmen Stoic redesigned skrepkovyh otgibateley decoiler and drop leaf table leaf scissors assembly in order to improve the quality of the sampling line and improve the reliability of equipment.
In October the repair campaign OOO SSM-Tyazhmash, machine building enterprise "Russian steel" for the repair of sinter No 4 for the first time produced the rotor, as well as expansion joints and a section of the mixer. Development of new equipment for the company required the development of technical documentation and special equipment. As part of major overhaul of blast furnace number 5 machine builders for the first time to repair the drive drum of the main pipeline intended for feeding charge materials blast furnace.
Mr Andrey Lutsenko Director of Operations and Chief Engineer CherMk Severstal in October said service companies have shown an example of efficient and effective teamwork "All the repairs are not complete before a certain time schedule. This will allow the enterprise exceeded the plan for steel industries of the last redistribution meet tight production targets and producing hot rolled fulfilled the program of hot rolled."