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- 1. Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939 Cleaning of Heat Exchangers Using Thickness mode UltrasonicsCleaning of Heat Exchangers Using Thickness mode Ultrasonics Gordon LimGordon Lim H/P 96785503H/P 96785503
- 2. Heat ExchangersHeat Exchangers The oil and gas industry uses heat exchangers for varied applications such as oil stabilization, gas compression, waste water treatment,, gas desulphurization, crude oil desalting and closed loop cooling Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 3. Heat ExchangersHeat Exchangers Fouling is a significant problem with heat exchangers. Fouling occurs when impurities or scale accumulates on heat exchanger elements, reducing the effective surface area and thus low efficiency. Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 4. FoulingFouling Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 5. High Pressure CleaningHigh Pressure Cleaning Cleaning of Heat Exchangers has been painstaking and expensive task. Conventional high pressure cleaning can use in excess of 20,000 gallons of water per exchanger and this waste water requires treatment. Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 6. Ultrasonic CleaningUltrasonic Cleaning –– Thickness modeThickness mode Ultrasonic cleaning particularly with thickness mode ultrasonic transducers provides a much more efficient way to clean heat exchangers. Sound wave implosions, called cavitation that separates the contaminant from the surface without damaging a component. Photo image ofPhoto image of a cavitation bubblea cavitation bubble Cumulative effect of millions of continuous tiny implosions in a liquid medium, provides the necessary mechanical energy to break up the physically & chemically bonded contaminants. PushPull® piezoelectricPushPull® piezoelectric transducerstransducers Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 7. Cleaning TankCleaning Tank Perspective view of a cleaning tank and the piezoelectric components comprise of PushPull® transducers. Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 8. Cleaning TankCleaning Tank Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 9. Cleaning TankCleaning Tank Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 10. Ultrasonic CleaningUltrasonic Cleaning –– Thickness modeThickness mode Heat exchanger is loaded into a ultrasonic tank for cleaning Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 11. Ultrasonic CleaningUltrasonic Cleaning –– Thickness modeThickness mode Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 12. After cleanAfter clean Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 13. After Clean Close UPAfter Clean Close UP Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 14. Before and AfterBefore and After Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 15. •• Key considerationKey consideration –– Tube Exchanger and damageTube Exchanger and damage •• High pressure spray damages tubes.High pressure spray damages tubes. •• Corroded tube and debris from the exchange may cause injuries toCorroded tube and debris from the exchange may cause injuries to bystander.bystander. –– Safety Operator & setupSafety Operator & setup •• Hydro jetting required high pressure spray operating from 10,000 to 20,000Hydro jetting required high pressure spray operating from 10,000 to 20,000 PSI. Extremely dangerous for the operator required safety considerationPSI. Extremely dangerous for the operator required safety consideration during setup.during setup. •• Operator required LicencesOperator required Licences Crest Ultrasonics (Shanghai) LtdCrest Ultrasonics (Shanghai) Ltd (A Crest Group Inc. Company)(A Crest Group Inc. Company)
- 16. AdvantagesAdvantages • Effectively removes all forms of hydrocarbon contamination and refinery-grade by-products from any surface compared to conventional cleaning processes. • Able to clean components and equipment once deemed not cleanable. • Cleaning process can be done in a fraction of the time required by conventional methods. • Conventional high pressure cleaning can use in excess of 20,000 gallons of water per exchanger and requires waste water treatment. The waste ultrasonic produces is contained in a tank and changed out only every few months, a very environmental friendly approach. • Water usage in ultrasonic cleaning is greatly reduced. • No surface damaged. • Ultrasonic cleaning reduces safety concern compared to high pressure cleaning method. Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939
- 17. Thank YouThank You Crest Ultrasonics Singapore Pte LtdCrest Ultrasonics Singapore Pte Ltd Tel: 67418266 Fax: 67411939Tel: 67418266 Fax: 67411939