Descaling in Vessels for Effective Heat Transfer

It’s been a few years since we addressed this topic head-on, which is why we feel it’s necessary to revisit the importance of descaling in ships.

iStock_000006249147SmallShips contain a number of heat exchangers, serving many of the same purposes as HVAC system, refrigeration systems and fresh water systems, to name a few.

When water scale develops on a heat transfer surface, heat transfer is greatly affected, reducing equipment efficiency and increasing energy consumption, which increases operating costs.

All too often, the scale buildup is ignored in favor of reducing operational downtime and saving money, resulting in efforts to fix the problem at the last minute or only when mechanical failure occurs.

In 2011, when we last talked about the importance of descaling in ship maintenance, we explained that heat exchanger cleaning is accomplished either mechanically or through the use of chemicals. The downside to mechanical cleaning is that the equipment must be dismantled and it requires a good amount of downtime.

But with chemical descalers you can clean the equipment in place, reducing the workload and downtime. Your operation will save valuable maintenance dollars.

Goodway’s ScaleBreak offers a full line of chemical descalers for all your descaling needs with products formulated specifically for cleaning stainless steel and potable water systems.

An effective descaling chemical product should offer the following:

  • Low corrosion rates. It should remove scale, but have low corrosion rates and not harm the system’s seals or gaskets.
  • Easily rinses out. It should only require a quick flush with water to get the product out, and it should leave no residue.
  • Cleans more than just scale. A descaler should also remove sediment, oil and the other materials that are often mixed in with scale.
  • Simple to use and quick acting. Ship operators need to minimize downtown, requiring an effective descaler to be a quick acting product that cleans scale fast.

Check out the Goodway Learning Center. It is a great resource to learn more about the many types of industrial cleaning equipment and products useful to ship maintenance. There you can learn more about our tube cleaners, industrial vacuums, vapor steam cleaners, descaling systems and chemicals, drain cleaners and mold control chemicals.

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One comment


  • EMMANUEI NNAJI

    I like what i read on your products especially the DESCALING SYSTEM and CHEMICALS. I really want to know employ them in descaling of hot water boiler. The volume of the boiler is 4700 L .
    I will be glad for a quick response from your end.
    I have tried calling on Charles McNamara with the contact phone no. 800-333-7467 without success.
    If i get through with you on this and use your product successfully on this project, it will open up large market for your products in Nigeria and other African markets.
    Regards.
    Emmanuel Nnaji-Onwuka
    (Mobile:- +234 803 309 4595)

    July 10, 2017

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