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White Papers

Download white papers on a variety of topics, from when to retrofit or replace your system, to implementing alternative fuel applications. Select article reprints are also included in this section.

Alternative Fuel Applications for Gain

There are a number of innovative solutions that companies have successfully implemented to improve their energy and environmental performance. Among these solutions is the combustion of alternative fuels, such as biogas refinery fuels, hydrogen and flammable liquids, to produce usable power.

Boiler Retrofits Can Reap Benefits

One-third of a facility’s energy bill stems from the boiler room, and system inefficiency leads to high energy costs. Many people think purchasing a new high-efficiency boiler or replacing an older boiler is the only way to achieve significant energy savings, but that’s just not true.

Burner Retrofit Options to Increase Efficiency and Reduce Emissions

If your boiler/burner (package) is like more than 200,000 commercial and industrial boiler packages in operation today, then it’s more than 20 years old. Which means it’s probably only 60 to 70 percent efficient and large amounts of fuel and associated cash are simply being wasted every minute the equipment is being operated.

Cleaver-Brooks Large Flextube Boiler is Engineered for High Efficiency and Low Emissions

When Cleaver-Brooks engineers commenced to design a large flexible watertube boiler, capable of 12.5 to 25 MMBTU, they wanted to engineer a product that would raise the bar for both efficiency and emissions in the category.  Their goals were for the Large FLX boiler to obtain 81% efficiency on 125 psig steam and 85% efficiency on hydronic heating applications. 

Designing Large Packaged Boilers

Designing large package boilers rated at over 400,000 lb/h steam production is a challenge because of shipping limitations within the U.S. and Canada. Field-erected boilers, on the other hand, are very expensive and take more time for commissioning. Minimizing field assembly time is crucial to cutting costs and shortening the construction schedule on such large projects.

Effects of Ultra-High Turndown in Hydronic Boilers

Today, hydronic boilers are producing greater efficiencies than previously thought possible, all due to the advancements of condensing technology. It is the science behind condensing that many people do not take the the time to understand, which can lead to misunderstandings and the perpetuation of myths. One of the largest areas of confusion concerns high turndown.

Engineering the First Steam Ready Industrial Watertube Boiler

Design engineers at Cleaver-Brooks have been making modifications to its integrated watertube boiler/burner system in order to improve productivity, reduce emissions and increase energy efficiency.  Building upon its proven, high-quality design, engineers have applied advanced computational fluid dynamics and mathematical modeling to optimize and standardize the boiler system.  As a result, the industry-leading, IWT system is now available on a fast-track timeline.

EX Firetube Boiler Changed by Advances in Design Technology

Recent advancements in computational fluid dynamics (CFD) and other analytical design techniques have given these engineers the ability to perform the sophisticated calculations necessary to design the next generation firetube boiler.  See how Cleaver-Brooks has changed the game in Firetube Technology.

Forced Circulation Steam Generators for SAGD Applications

Steam-Assisted Gravity Drainage, better known as SAGD, is considered to be the most viable and environmentally safe recovery technology for extracting heavy oil and bitumen. The process, which has been utilized for more than a decade, uses an advanced form of steam stimulation to extract oil from a pair of horizontal wells drilled into a reservoir.  

Gas Technology: Condensing Hydronic Boilers
Condensing hydronic boilers can operate at efficiencies in the mid-90s and above. The key to these fantastic efficiencies is to have incoming feedwater at temperatures below 140° F, and to be able to either modulate the boiler or have sufficient redundancy that operating units can be held near their efficiency “sweet spot.”