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Improving Boiler Efficiency

It is important for a boiler to run at its most efficient level in order to avoid costly issues and obtain the best results. Excess air is essential in boiler operation to minimize heat loss and improve combustion efficiency.  Here are some tips to help you make sure your boiler is running at the most efficient level possible:

  1. Periodically monitor flue gas composition and tune your boilers to maintain excess air at optimum levels.

  2. If there is a continuous blowdown system in place, consider installing a heat recovery system.

  3. If there is a non-continuous blowdown system, then consider converting it to a continuous blowdown system coupled with heat recovery.

  4. Reduce operating costs through maximizing the return of hot condensate to the boiler.

  5. If a condensate return system is absent, estimate the cost of a condensate return and treatment system (as necessary) and install one if economically justified.

  6. Repair steam distribution and condensate return system leaks.

  7. Insulate condensate return system piping to conserve heat and protect personnel against burns.

  8. Review your blowdown practices to identify energy saving opportunities.

  9. Examine operating practices for boiler feedwater and blowdown rates developed by the American Society of Mechanical Engineers (ASME). Considerations include operating pressure, steam purity, and deposition control.

  10. Consider an automatic blowdown control system.


Taken from http://www.process-heating.com/Articles/Feature_Article/2afcce64fe4fd010VgnVCM100000f932a8c0____
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