Ultrasonic Systems for Precise Cleaning Applications
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How Ultrasonic Cleaners are Used in Disaster Restoration

March 29, 2018

How Ultrasonic Cleaners are Used in Disaster RestorationItems recovered from disasters such as floods, fires or hurricanes are often covered in dirt or contaminated with soot and mold. Cleaning such items with traditional methods involves soaking them in chemicals to loosen dirt and brushing or wiping the items clean. Chemicals may be harsh, attack the surface of the items and leave residues. Brushing and wiping can’t get into small seams, sharp corners and crevices and may result in scratches. The result is that such items may have a moldy or smoky smell, bits of dirt attached that can’t be removed and damaged surfaces.

Instead, the use of ultrasonic cleaning systems can leave items completely clean and close to their original condition. The systems clean without the use of harsh chemicals or rough mechanical brushing. Items are cleaned quickly and completely, including in dead-end holes, hard-to-reach places and difficult to clean rough areas. Recovered items are returned to the individuals or businesses sooner and in better condition, ready to be used as they were before the disaster struck.

How Ultrasonic Systems Clean Recovered Items

Cleaning items recovered from disasters involves breaking the contaminants free from the surface of the recovered item and then removing them. Traditionally chemicals dissolve the contaminant or at least make it easier to remove with brushing and wiping. Ultrasonic cleaning systems can clean in water or a mild detergent solution and accomplish the loosening and removing in one step.

Depending on the size of the recovered items, one or several are immersed in the ultrasonic cleaning system bath. The systems work by generating ultrasonic waves and microscopic cavitation bubbles in the cleaning liquid. The bubbles form and collapse in time with the frequency of the ultrasonic waves. When they collapse against the surface of an item to be cleaned, they produce a strong microscopic scrubbing action that loosens dirt and contaminants and cleans down to the original surface.

All Kinds of Items Can Be Cleaned

Ultrasonic cleaning systems are suitable for a wide variety of items recovered from disasters. The systems can be designed with special tanks to clean large items or they can take a number of small items and place them in a bath inside a basket that holds them suspended in the cleaning solution. Solid metal and ceramic items can be cleaned quickly while easily damaged items can receive less intense cleaning action. Ultrasonic systems can be adapted to specific cleaning tasks and customized to deliver the desired cleaning performance.

For robust items with hard surfaces, low ultrasonic frequencies result in large, powerful bubbles. High frequencies produce smaller bubbles for a gentle cleaning action suitable for delicate items. For items contaminated with grease or oil, heating the cleaning solution may help speed up the cleaning process. For certain hard to remove contaminants, mild but specific solvents can be added to the cleaning solution to ensure rapid and complete cleaning. In each case, ultrasonic cleaning is faster than traditional methods and results in a complete removal of contaminants from everywhere on the items to be cleaned.

Putting Ultrasonic Cleaning Systems to Use

Cleaning companies specialized in disaster recovery can easily start using small ultrasonic cleaning systems to see whether they meet their needs. System components such as ultrasonic generators and transducers can be purchased separately and used with existing cleaning tanks or new ones. Turnkey systems are available for plug and play use and are especially versatile for cleaning many small items such as jewelry and kitchen utensils. As it becomes evident that cleaning performance is far superior to traditional methods, companies can install larger systems to handle big jobs.

Kaijo has a complete line of ultrasonic cleaners, both as separate components and as turnkey systems. The equipment is versatile and can be used for many different cleaning applications including disaster recovery. The company has extensive experience in this field and is prepared to help customers achieve the cleaning performance they want.

 

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