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With the addition of extra cooling capacity provided by KOHLER Rental, Linde beats back a series of summer heat waves and continues to provide critical industrial gases to the steel mill at the same rate as during non-summer months.

 

 

THE APPLICATION: STEEL MILL

Pure steel is strong steel. A steel mill employs three gases to remove impurities: oxygen, nitrogen and argon. Industrial gas provider Linde LLC deploys an Air Separation Unit (ASU) onsite at a client steel mill to recover oxygen, nitrogen and argon gas from atmospheric air using a proprietary process.

Efficient air separation requires sufficient cooling of the ASU using a direct contact cooling system. However, stifling summer temperatures can threaten cooling capacity, reduce air separation efficiency and threaten to slow steel production. For an air separation service provider, and by extension a steel mill, to weather a summer without additional cooling capacity is not an option. But given the limited seasonal need, purchasing extra chilling equipment is cost-prohibitive. A seasonal solution is in order. 

THE CUSTOMER: LINDE GAS

One of the world’s leading suppliers of industrial gases and technical solutions to the steel and metal production industries — Linde LLC, a member of Munich-based The Linde Group — engineers, fabricates, installs, operates and maintains onsite gas supply systems, such as an Air Separation Unit (ASU). Based on a cryogenic distillation process pioneered by Linde founder Dr. Carl von Linde in the early 20th century, technological air separation produces high purity oxygen, nitrogen and argon gas by recovering each element from atmospheric air. 

SOLUTION: AN UNSEASONABLE CHILL

“The air separation process uses water as a cooling agent — the colder the water the better,” says Ron Doogs, Operations Technician, Linde LLC. “As summer temperatures rise, cooling equipment normally paired with an air separation unit can’t always chill water to an optimum temperature. Manufacturing efficiency and product quality can be compromised. When more cooling capacity is needed, that’s where
KOHLER Rental comes in.” Conducting a swift, yet thorough assessment of Linde’s chilling needs, KOHLER Rental technicians size and deliver the equipment — a 100-ton chiller — and provide the technical support necessary to get the unit operational in short order. From August through October, the KOHLER chiller helps Linde keep the steel mill well supplied with industrial gas. 

THE RESULT

With the addition of extra cooling capacity provided by KOHLER Rental, Linde beats back a series of summer heat waves and continues to provide critical industrial gases to the steel mill at the same rate as during non-summer months. The mill keeps on producing steel of legendary strength, and Linde maintains its position as one of the world’s leading suppliers of industrial gases and technical solutions to the steel and metal production industries. 

THE JOB

  • 100-ton KOHLER Rental chiller
  • Equipment transportation
  • Electrical cable
  • Supply and return flex hose
  • Technical consultation and support