Cavitation water jet technology is an improved version of high-pressure water cleaning technology that uses specially designed nozzles, which convert high-pressure water into cavitation water . The cavitation jet introduces cavitation into the high-pressure clean water, which is highly aggressive and enhances the cleaning of the hull. The number of bubbles in the cavitation water can be increased by improving the nozzle design. The bubbles rupture as they approach the hull, resulting in very high local stresses, which ca n result in greater cleaning power. This feature is a significant advantage of conventional high-pressure water jets operating at the same pump pressure.
Cavitation Technology offers a variety of hull cleaning systems, from handheld equipment to diver-operated vehicles. The Cavitation pistols used by divers to clean complex surfaces of different shapes and areas that are difficult for large cleaning equipment to reach. The water-and-sandblasting Cavitation pistol is specially designed to remove hard marine fouling on the hull. These Cavitation pistols can treat up to 50–100 m2 of hard algae, shellfish, and shell fouling or 100–250-m2 soft barnacle and shell fouling per hour, with 25–35 MPa pump power. The Cavitation nozzles are used to clean the flat and slightly curved surface of the vessel and are equipped with a suction system for adhering to the hull being cleaned.
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