Emerson helps Tata Steel improve safety, emissions, and energy self-sufficiency at UK facility

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Powerhouse operators monitor burner operation at Tata Steel’s Port Talbot facility.

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New instrumentation installed on burners at Tata Steel’s Port Talbot facility improves the efficiency and reliability of boiler operations.

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An operator interface display located near burners provides quick and easy access to boiler operating conditions at Tata Steel.

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MEDIA CONTACT:

Grace Capwell
Emerson Automation Solutions
+1 (512) 834-7214
Grace.Capwell@emerson.com


Upgraded boiler controls enable greater use of waste fuels

AUSTIN, TEXAS  (October 25, 2011)
– Tata Steel’s Port Talbot facility in Wales has upgraded control of its largest steam boiler using energy management technologies and services from Emerson Process Management.  The new controls enable Tata to increase energy efficiency and maximize use of waste fuels, reducing emissions as well as reliance on purchased fuels.

The Port Talbot facility is Britain’s largest integrated steel mill, making over four and a half million tons per year of high-quality sheet steel for the automotive, construction and household appliance markets.  It includes two blast furnaces and a basic oxygen furnace, as well as continuous casters and a strip rolling mill.  To date Emerson has upgraded controls on three of the site’s seven steam boilers.

“The boiler upgrades are helping us make better use of ‘indigenous’ waste fuels -- such as blast furnace gas, BOS gas and coke oven gas -- that are byproducts of our manufacturing process,” said Andrew Rees, manager of the upgrade project for Tata Steel. “The improved controls are part of a comprehensive energy management project that’s expected to reduce powerhouse energy consumption by three to five percent and help Tata Steel achieve its vision of becoming energy self-sufficient.” 

“Using waste fuels is an attractive way to reduce costs and emissions, but it’s also challenging because of their variable energy content,” said Chip Rennie, director of Emerson Process Management’s Global Industrial Energy Group. “Emerson’s technology significantly reduces the effects of that variability so users can maximize low-cost fuel use – while consistently meeting steam demands.”

At the Port Talbot facility Emerson conducted a study to identify opportunities for improving powerhouse operations, as well as providing an integrated combustion control, burner management, and energy management solution. The solution included Emerson’s SmartProcess™ Energy and SmartProcess Boiler optimization technologies, DeltaV™ digital automation system with model predictive control, DeltaV SIS™ process safety system, Rosemount® and Micro Motion® measurement instruments, Fisher® control valves, and Bettis™ and Hytork™ valve actuators.  Emerson also trained Tata’s operators using a simulator installed in the powerhouse, enabling them to gain experience with the new controls without affecting operations.

The boilers had previously required frequent attention by plant operators and the use of supplemental natural gas to compensate for the varying energy content of the waste fuels. After the upgrade, operational stability has greatly increased, and energy costs have decreased as better use of waste fuels has reduced the need for natural gas.  Using more waste fuel to power the boilers instead of burning it in flares also helps reduce emissions.  And the new safety system enables an orderly process shutdown if necessary.

“Powerhouse operations offer tremendous – and often overlooked – opportunities to improve process performance and profitability,” said Steve Sonnenberg, president of Emerson Process Management.  “In a tough business climate complicated by unpredictable energy prices and tighter emission controls, the winners will be companies like Tata Steel who turn those opportunities to their advantage.”

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About Emerson
Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Our Emerson Automation Solutions business helps process, hybrid, and discrete manufacturers maximize production, protect personnel and the environment while optimizing their energy and operating costs. Our Emerson Commercial and Residential Solutions business helps ensure human comfort and health, protect food quality and safety, advance energy efficiency, and create sustainable infrastructure. For more information visit Emerson.com.

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