Flue Gas Analyzer helps reduce greenhouse gases.

Press Release Summary:

Designed for large industrial boilers and furnaces, Rosemount Analytical X-STREAM® Oxygen Analyzer features AccuMax(TM) accuracy specifications, extended temperature capability, and probe lengths of up to 18 ft. In situ combustion flue gas analyzer provides information to control fuel-to-air ratio of burner as well as indication of stratification of flue gases inside the furnace. It can be adjusted after installation and repaired without removing probe from furnace duct.

Original Press Release:

Emerson's Enhanced Flue Gas Analyzers Help Improve Combustion Efficiency, Reduce Greenhouse Gases

X-STREAM® Oxygen Analyzer's extended, adjustable probe length enables more accurate readings for large boilers and furnaces

SOLON, OHIO (August 12, 2008) - Emerson Process Management has enhanced its Rosemount Analytical X-STREAM® Oxygen Analyzers to improve efficiencies of large boilers and furnaces and provide immediate reduction of carbon dioxide (CO2) emissions with minimal investment.

Large industrial boilers and furnaces are primary generators of the greenhouse gas CO2. Rosemount Analytical X-STREAM O2 in situ combustion flue gas analyzers are a key tool for optimizing combustion, and reducing emissions. These analyzers provide information to control the fuel-to-air ratio of the burner, much in the same way it's done on today's automobiles. The X-STREAM O2 probe now offers improved AccuMax(TM) accuracy specifications, extended temperature capability, and new longer probe lengths up to 18 feet long to satisfy the need of the industry's biggest boilers and furnaces.

According to Doug Simmers, worldwide product manager for Rosemount Analytical, large furnaces will typically have many burners delivering fuel and air into the combustion zone, which may be the size of a 10 story office building. Balancing the burners maximizes heat rate efficiency, and also minimizes the potential damage to the furnace from flame impingement, tube leaks, excessive soot, slagging, and many other potential operational problems.

To achieve balance and avoid these problems, many facilities use permanently mounted O2 probes at different locations inside the flue gas duct and average the readings inside the control system to optimize the total furnace fuel-to-air-ratio. Readings from the O2 probes also provide an indication of the stratification of flue gases inside the furnace.

"Many traditional O2 analyzers have had a fixed insertion depth, and engineers have had to guess at the best placement of the probes," Simmers explained. "The new longer probes from Rosemount Analytical not only reach further into these large ducts, but they now have the ability to be adjusted after installation so that the entire width of the flue gas duct can be characterized."

The X-STREAM line of combustion O2 probes offer long life in this difficult service, and are now designed to be repaired without removing the probe from the furnace duct. Additionally, they can provide indication of reducing conditions that may occur inside the furnace during plant upsets.

More information about the Rosemount Analytical line of X-STREAM O2 analyzers can be found at http://emersonprocess.com/raihome/gas/products/Model_XS-O2.asp.

About Emerson Process Management

Emerson Process Management (www.EmersonProcess.com), an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, water and wastewater treatment, metals and mining, food and beverage, pharmaceutical and other industries. The company combines superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Its brands include PlantWeb®, Fisher®, Micro Motion®, Rosemount®, Daniel®, DeltaV(TM), Ovation®, and AMS® Suite.

About Emerson

Emerson, based in St. Louis, is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses.

For more information, visit www.Emerson.com.

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