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Equipment for Novolipetsk Metallurgical Plant, Lipetsk

Object

Novolipetsk Metallurgical Plant

Task

optimization of pumps operation within air-distributing units

Solution

Novolipetsk Metallurgical Plant is a Russian metallurgical company being the leading world supplier of slabs and transformer steel and the largest Russian supplier of products with high added value including rolled products with polymer coating, galvanized and electrical steel and graded metal projects.

For 2011, Novolipetsk Metallurgical Plant produced 12 million tons of steel. Cryogenic air separation units are an integral part of the plant production equipment and are used for production of oxygen, nitrogen, argon and rare gas mixtures from environmental air by low-temperature rectification method.

Liquid oxygen pumps of cryogenic air separation units were the equipment for which ADL supplied Emotron FDU 2.0 frequency converters. This application is not common for such equipment but due to high reliability, versatility and unquestionable advantages of these inverters (IP 54 metal case, integrated EMC filter, load monitoring) the customer had preferred our equipment instead of conventional variable-frequency drives. Due to installation of frequency converters on the pumps the pump operation was optimized, the service life was extended, reliability was improved and power costs were reduced.

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