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6 Tips for Improved Efficiency & Reduced NOx Emissions

75,000pph Rental Boiler with Urea-Based SCR System for Single Digit NOx

Nationwide Boiler's Director of Environmental Solutions, Sean McMenamin, provided content for this month's issue of Process Heating Magazine. The topic of discussion this time around is reducing NOx emissions and improving overall boiler efficiency.

Sean has provided six tips to ensure the highest possible thermal efficiency, and lowest possible NOx output. This includes:

1. Reducing Stack Gas Temperature to Increase Efficiency
2. Managing Excess Air Levels for Optimum Performance
3. Utilizing Flue Gas Recirculation (FGR) to Reduce NOx Emissions
4. Selective Catalytic Reduction for Ultra-Low NOx Performance
5. Combining Economizers & SCR Systems for Emissions & Efficiency Gains
6. Monitoring Emissions & Efficiency Performance

For additional details related to these tips and tricks for reducing NOx and increasing efficiency, check out the full article in Process Heating's September 2018 issue!

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See The DataStak Demo at Power-Gen!

Nationwide Boiler's newest innovative product - the DataStak Emissions and Efficiency Monitoring System - was highlighted in the latest issue of Today's Boiler Magazine. See the article here: goo.gl/3n2W4v

The DataStak provides boiler operators with information related to the emissions output and efficiency of their boiler systems. In today's marketplace, this data is not just something that most energy and facility engineers want to know, but many need to know this information for reporting purposes.

We designed the DataStak system to provide real-time, unified data at your fingertips, from one convenient, on-site source. It is more than just a combustion or NOx analyzer. The DataStak is a cost effective, packaged emissions and efficiency monitoring system with O2, NOx, CO, and CO2 measurements, in addition to real time boiler efficiency, fuel usage and carbon footprint calculations.

Representatives from Natiownide Boiler are in Las Vegas, NV this week for Power-Gen, the largest power generation event of the year. Experience the power of the DataStak, live and in-person at the show! Visit us at booth #6019 to learn how the DataStak can help you stay informed on how your boiler is performing.

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Tips to Increasing Boiler Efficiency and Heat Recovery

As we all know, fuel is not cheap and costs are on the rise. Energy inefficiency in a boiler system is caused not only by an aging system, but also by heat loss. The more inefficient the boiler, the higher the fuel costs; but there are ways to combat this problem and reclaim the lost heat and reduce facility operating costs. Below are 10 tips that can be used to educate plant and facility managers on how to maximize boiler performance:

 

  1. Maintain, Maintain, Maintain – following manufacturer recommendations on annual boiler maintenance is the easiest way to ensure the boiler will continue to run efficiently.
  2. Proper Water Treatment – if water treatment is not done correctly, you will see a loss in heat transfer ability due to particulates clogging up internal boiler tubes. A deaerator can be used in most applications to increase water temperature and remove most of the particulates from the water.
  3. Install a High Turndown Burner – this will increase energy savings by reducing on/of cycles.
  4. Add Variable-Speed Drive Controls – installing these controls on the boiler feed pumps will enable a motor to operate only at the required speed at any given moment and save energy by allowing an operator to fine-tune the system to run at optimal conditions.
  5. Incorporate Parallel Positioning – doing so will allow the burner to maintain excess air levels more precisely and the boiler to run at its most capable efficiency point.
  6. Include O2 Trim – adding an oxygen sensor/transmitter in the exhaust gas will maintain peak efficiency by minimizing excess air and optimize the air-to-fuel ratio.
  7. Integrate Lead/Lag – this enables boilers to operate in sync with fluctuating steam loads by sequencing the operation of multiple boilers and matching system load.
  8. Incorporate an Economizer – incorporating heat recovery into a boiler system will improve efficiency, and an economizer can increase efficiency up to 8 percent. Depending on the boiler type, fuel used and operating conditions, a standard or condensing economizer can be installed.
  9. Recover and Repurpose Heat from Blowdown – you can do this one of two ways; by installing a blowdown heat recovery unit or a flash economizer. Both will capture heat and reuse it, with typical payback seen in less than a year.
  10. Use Exchangers to Preheat Inlet Water – similar to a blowdown heat recovery unit, an exchanger can be added to preheat a boiler feedwater system or deaerator.

 

View Process Heating’s Article for a more in-depth explanation of each tip. http://www.process-heating.com/articles/88920-tips-to-increase-efficiency-and-heat-recovery-in-a-boiler-system

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$10 Million in Funding Available for Technologies to Produce Advanced Biofuel Products from Biomass

Nationwide Boiler stays current with the latest news and information relating to the development of energy efficiency technology.  Last week the Energy Department announced up to $10 million in funding to advance the production of advanced biofuels, substitutes for petroleum-based feedstocks, and bioproducts made from renewable, non-food-based biomass, such as agricultural residues and woody biomass. As mentioned on the energy.gov website, "This supports the Department’s efforts to make drop-in biofuels more accessible and affordable, as well as meet the cost target equivalent of $3.00 per gallon of gasoline by 2022."  In addition, "Advancing and commercializing cost-competitive biofuels will help the Department work toward its goal of reducing current petroleum consumption in the United States by approximately 30%, and, in turn, enhance U.S. national security and reduce carbon emissions."

For more information and application requirements, visit the Funding Opportunity Exchange website.

 

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