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Heat Recovery Steam Generator Cleaning
There are a number of options for cleaning HRSG tubes which include high pressure water jetting, grit blasting, CO2 blasting and Tube Tech’s innovative new SafeblasTT system. Each option has advantages and disadvantages and Tube Tech can provide expert advice based upon its experience of cleaning HRSG tubes using each of these methods.
Heat recovery steam generators (HRSG) are heat exchangers that recover heat from a hot gas system. They produce steam that can then be used in a process or used to drive a steam turbine. HRSGs are found in combined-cycle power stations and in co-generation plants which typically have a higher overall efficiency compared to combined-cycle plants.
In the energy-rich Persian Gulf region, the steam from the HRSG is used for desalination plants.
Although HRSGs are most often part of a relatively clean burning natural gas environment they still need to be cleaned. HRSG cleaning improves their thermal performance and reduces the corrosion caused by deposits.