A proven method of immediate efficiency gains is reducing flue gas temperature. Flue gas temperature is the temperature of combustion gases that exit a boiler’s stack. EconoStak economizers, supplied by Nationwide Boiler, are used to capture and transfer the heat of the flue gas to preheat feedwater back into the boiler. In most instances, a decrease of the flue gas temperature by 40°F, increases efficiency by one percentage point, resulting in significant cost-savings.
An EconoStak consists of an economizer and all of the associated piping and structural supports required for very efficient and safe operation. It is a fabricated assembly of finned tubing that uses hot stack gases to heat the boiler feedwater. The EconoStak reduces stack emissions and thermal pollution, as well as provides fuel cost savings.
Features of EconoStak Economizers
- Decreased operating cost
- Higher boiler operating efficiency
- Reduced fuel consumption
- Reduced emissions/pollutants
- Lower stack emissions
- Lower thermal pollution output
- Simple start-up and installation
- No field piping required
- No structural supports required
EconoStak Economizers: Project Spotlights
|EconoStak economizer on a 120,000 lb/hr trailer-mounted rental boiler.||Standard EconoStak economizer for a 200,000 lb/hr boiler.|
|EconoStak economizer on a 70,000 lb/hr trailer-mounted rental boiler.||Standard cylindrical EconoStak economizer for a 70,000 lb/hr boiler.|