The facility currently relies on a 150HP steam boiler for their process steam. The boiler operated at approximately 80% efficiency and the facility wanted to explore opportunities to increase the efficiency of the boiler plant and to decrease CO2 emissions. Additionally, the facility wanted to keep capital costs to a minimum with an ROI of less than 3 years.
To meet the requirements of the facility, it was suggested to install an ENERVEX VHX Economizer and Heat Exchanger to the existing boiler stack. When used to recover waste heat in a boiler as pre-heated feedwater, estimates showed a waste heat recovery system could reduce fuel requirements by 8 percent.
This integrated, high-efficiency economizer and waste heat recovery solution maximizes BTU recovery, translating to annual energy savings of $37,463 and an ROI of 2.6 years.
Benefit to the Customer:
Benefit to the Environment