Since installation of SPGs, the flue gas temperature difference over the ECO can be kept constant; without sonic horn, without repeated manual online boiler cleaning; mostly without use of sootblowers.
EG10XL discharge nozzle cleaning right side of finned tube ECO bundles. Rake soot blower stays installed.
TwinL 90° rotated cleaning left side of finned tube ECO bundles. Met tight installation restrictions outside of boiler.