Scale or limescale is caused by mineral deposits in water becoming adhered to pipes, pumps and other hydronic system components. This adhesion is a natural occurrence when water is heated or cooled. Even the best-treated water contains scale deposits, however raw water deposits, including those from well and other underground sources, lakes, and ponds can contain significant levels of minerals, also known as “hard water”. In fact, over 80% of the continental USA has moderate to hard water. Scale build-up that is caused by hard water can have numerous adverse effects on the systems and components that come in contact with the water. It is important for owners, operators, and facility managers to not only pay attention to excessive scale build-up but to also have a response and maintenance plan for removing the scale.
The first general approach to maintaining scale build-up is the use of mechanical tools and practices to remove scale build-up. There are multiple techniques and practices that fall under mechanical scale removal. Primarily, mechanical scale removal involves removal utilizing machines or machinery to physically remove the scale build-up from system components. For chillers, boilers and other heat exchange equipment, Goodway offers numerous excellent products that mechanically remove scale buildup from machine and system components. The RAM-4 Chiller Tube Cleaner is one of many varying capacity tube cleaners that, when paired with an appropriate brush, effectively cleans tough scale deposits in chillers, condensers, evaporators, absorption machines, and other heat exchangers.
When mechanical tools are not enough to rid scale, a chemical scale remover can be a great tool to safely, efficiently and effectively remove scale. Chemical scale removal is a generally more passive approach to system and component maintenance, where a chemical solution is flushed through the interior piping and components of a system and reacts with mineral scale build-up to remove and cleanse the system.
Chemical scale removal can be conducted in a number of ways but is most effective when the chemical is pumped through the interior piping and connections of a system. One such system that is effective on larger industrial HVAC and process machinery is the GDS-100-BV is Scale Removal System. When paired with ScaleBreak®, Goodway’s advanced descaling solution, the system quickly and effectively removes the scale leaving system operating at optimal efficiency. In fact, in many instances systems will operate at an efficiency higher than when first installed. Read how in this case study.
Plant maintenance managers need to understand both mechanical and chemical descaling options and how they apply to the equipment in their plant. Deciding between either method can be difficult, but there are a few key factors that managers can focus on to make their choice. These deciding factors for managers include upfront cost and lifecycle cost, effective fit for their intended use, the amount of money saved in operating and the extension of the usable lifetime of the serviced equipment, and any regulatory guidelines pertaining to the equipment needed to be maintained.
Goodway offers two excellent features on its website to assist managers with deciding which method of descaling equipment to purchase and utilize. Managers who are considering implementing a new maintenance plan or changing their current one should consult with the experts at Goodway and utilize the tools they have for making these difficult decisions.
The first feature on their site is their cost calculator. This cost calculator can break down the cost data for numerous types of equipment to include boiler, chiller, and cooling tower descaling equipment. Utilizing this calculator provides an excellent insight into the potential savings and best-fit equipment for different types of industrial equipment. The second decision-making tool that Goodway offers is their buyer guide, which provides key information and articles about descaling technologies, with further information on key factors to consider when choosing maintenance equipment.
Watch our webinar on Scale: Why You Have It, What It Does and How to Descale Safely and Effectively.
Watch our webinar on Industrial Descaling: Challenges and Benefits.
See Instructions for Cleaning Brazed Plate & Gasketed Heat Exchangers with ScaleBreak.
See Goodway ScaleBreak® featured in Canadian Facility Management & Design.
Read up on Goodway Descaling Solutions For MULTISTACK® Chillers
Listen to this Podcast: Descaling Large Equipment brought to you from HVAC SCHOOL.
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