The SHOCKSystem™ successfully removed baked-on ash deposits, as well as cleared vertical bridging/platenization between tube rows.   SHOCK STORY: BACKPASS ASH PLATENIZATION REMOVAL Current Situation: 150 MW boiler Primarily operating on Powder River Basin (PRB) Coal Air Sootblower Cleaning Multi-level divided horizontal Superheaters/Reheaters Existing manway interface Tubes have a hard, baked-on ceramic-like ash on top portion of the boiler tubes Tubes have significant bridging deposits in the flow direction Solution: Install SHOCKSystem™ Online Detonation Cleaning™ device in outboard Superheater section System Design: One single SHOCKSystem™ was installed Performance: Cleaned off areas of hard, baked-on ceramic-like ash on the topmost tube row Cleaned fouling bridges between tubes Economizer hoppers were heavier with ash than normal No harmful boiler affects occured during testing Preliminary indication of superheat steam temperature increase SHOCKSystem™ satisfied the goals Negotiations ongoing SHOCKSystem's™ Bottom-Line Impact: Reduces annual cleaning outages and curtailments due to backpass fouling.   Results: Removed Baked-on Ash Deposits Before SHOCKSystem™ After SHOCKSystem™ Tube rows encased in hard, baked-on ceramic-like ash deposits prior to Online Detonation Cleaning™. Image of same tube rows taken two days later shows SHOCKSystem™ has begun to remove baked-on ash deposits.     Shock Stories Index Economizer Demo >     Email us to learn more about our next generation ash removal product.   PW Privacy Policy  |  PW Terms + Conditions  |  PW Site Map         Boiler Cleaning News       SHOCKSystem™ Receives Gold CQIA Designation     AEP Rockport Purchases Second SHOCKSystem™     EnergyTech: SHOCKSystem™ Reduces Erosion (PDF)     Energy Central: Backpass Cleaning Comparison (PDF)     Power: Harnessing Detonation Waves (PDF)     EnergyTech: Advanced Sootblower Technologies (PDF)     Power: Shockingly Clean Boiler (PDF)     [ Boiler Cleaning News Archive ]       Shock Literature       White Paper: Tube Erosion     Detonation-Based Online Cleaning     Comparison: Acoustic Horn vs SHOCKSystem™     Comparison: Sootblower vs SHOCKSystem™     Meets Local, State and National Safety Regulations     [ Literature Archive ]       Shock Stories       Backpass Ash Platenization Removal     Economizer Demonstration     Economizer Demonstration     Economizer Demonstration     Economizer Bridging and Platenization Removal     [ Shock Stories Index ]       Pulse Detonation News       Popular Science: After Combustion - Detonation     Flight International: Pulse Power     Aviation Week: Taking the Pulse     [ Pulse Detonation News Archive ]       SHOCKSystem Video   Span shot of shock tube extending into boiler region with use of combustor bend [mpg size: 498 KB]     Support hangers and combustor bends give the SHOCKSystem™ installation flexibility [mpg size: 563 KB]     SHOCKSystem Pics   Five-picture time-elapsed series of ash removal in boiler region. [5 Pics]     The SHOCKSystem™ blasts through all types of ash. [5 Pics]     Manufacturer's Representitive Opportunities If your company has an extensive knowledge of the coal-fired power generation industry, an exceptional record of successful representation and year-over-year revenue growth, then Pratt & Whitney would like to hear from you. To become a manufacturer's representitive for the SHOCKSystem™ ash removal system please forward your corporate line card and a cover letter explaining your successes and challenges for the last 7-10 years to our corporate office.

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