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| Backpass Ash Platenization Removal
150 MW boiler experiencing backpass fouling caused by vertical bridging, platenization and hard, baked-on ceramic-like ash deposits on top portion of tube rows. Performance of SHOCKSystem™ satisfied goals and installation began in 2005.
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| Economizer Demonstration
Utilizing an existing manway opening, installed SHOCKSystem™ in 600+ MW boiler experiencing extreme pluggage of the gas lanes in the lower reheater tube assemblies. Successful removal of pluggage led to proposal.
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| Economizer Demonstration
550 MW boiler. Fouling and platenization degrade boiler efficiency and raise economizer exit gas temperatures above the allowable 700°. Installed SHOCKSystem™ demonstration combustor on the upper and lower economizer bundles. Data showed lower exit gas temperatures during operation.
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| Ecomomizer Demonstration
Accumulated ash deposits and pluggage of the economizer results in frequent offline cleaning of the economizer. Severe vertical platenization exists in the lower super heater region. SHOCKSystem™ operated intermittently for six days, resulting in improved gas temperatures.
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| Economizer Bridging and Platenization Removal
Bridging and platenization cause dramatic decline in Delta T within three months after each economizer cleaning outage. After SHOCKSystem™ operation, hoppers took longer to empty and tripped a "High Vacuum" alarm signifying more than usual ash removed between hopper emptying cycles.
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| Economizer Ash Pile Removal
1,300 MW positive pressure boiler with three level economizer experiencing extreme economizer pluggage. Partial steam-sootblower coverage. Successful demonstration led to installation of five additional units.
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| Economizer Heat Transfer Performance Demonstration
Based loaded 500+ MW boiler experiencing a decline in economizer heat transfer performance which causes exit gas temperature to increase over time. Single SHOCKSystem™ removed platenization from upper and lower economizer tube rows.
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| Economizer Staggered Fin Demonstration
The pulse detonation technology behind the SHOCKSystem™ successfully removed built up ash from the horizontal reheater, resulting in increased economizer operating temperature and decreased exit gas temperature.
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| Horizontal Reheater Demonstration
Extreme pluggage of the gas lanes in the lower reheater tube assemblies reaches depths between 12 to 24 inches, causing the unit to experience significant outage and reduced capacity. The SHOCKSystem™ successfully removed pluggage in gas lanes and ash accumulation outside of birdcage.
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| Horizontal Reheater Demonstration
650+ MW boiler experiencing draft loss, increased exit gas temperatures and forced outages due to tube leaks in the reheater caused by sootblower erosion. Success of SHOCKSystem™ led to installation proposal.
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| Primary Superheat Demonstration
Utilizing an existing manway opening, SHOCKSystem™ was installed between the upper and lower primary superheater bundles to remove platenization. Removal of platenization improved superheater and economizer exit gas temperatures.
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| Superheat Slag Removal
One SHOCKSystem™ device was installed to demonstrate its ability to remove built up slag on leading edges of Superheat Pendants. Results led to installation proposal.
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