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Typical build up of vanadium scale on boiler tubes when burning #6 fuel regular.


This indicates removal of vanadium scale build up burning homogenized #6 fuel injecting 7% water by volume with controlled droplet sizes of 4 to 7 microns over a period of six months operation.


Cleaning fireside of boiler after one year of burning #6 fuel.
Reduced Maintenance
Burning homogenized fuel oil with 40% to 50% less excess air raises the melting point of vanadium from 1243°F to above vanadium deposits melting point. Hence, the fireside is completely clean including brickwork, wall tubes, screen tubes, super-heater and economizer. Several tests conducted by the US Department of Defense, EPA, US Department of Commerce and US Department of Transportation, along with numerous universities, laboratories, and private entities conclusively show that homogenization of oil with water significantly improves combustion.

Top photograph was taken of a B&W water tube boiler, 450 psig, 750°F superheat burning #6 fuel at the time a fuel homogenization system was installed. The top photograph of screen tubes on the left is indicative of vanadium build up when burning regular #6 fuel. Many air passages between tubes are blocked.

The center photograph is of the same screen tubes after 6 months of operation with a fuel homogenization system injecting 7% water. There was no mechanical cleaning of fireside during this test period. The superheated steam vapor from water droplet mico-explosions remove vanadium during operation. Note the number of air passages uncovered in only 6 months of operation.

The bottom photograph is of a 100,000 lb/hr B&W water tube boiler after burning homogenized #6 fuel with 7% water injection by volume for one year. The light powder on tubes is easily removed with a broom. However this was not necessary and was for demonstration purposes only.

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