GDS-100 Gets Top Grades When Put To The Test

For building systems like boilers, cooling towers, and heat exchangers that use water to transfer heat, the buildup of mineral deposits and scale inside the equipment is a normal part of the operation. Over time the scale layer gets so thick that heat cannot transfer efficiently through the equipment causing substantial system losses and potential equipment breakdowns. The only way to get the efficiency back is to either mechanically or chemically remove the scale from the equipment, and at this level of scale buildup, a chemical was the only viable option.

For one Operation’s Shift Supervisor at a municipal water power generation plant, routine descaling of several large plate heat exchangers was cumbersome and a burden. As he says,

“We usually just opened the heat exchanger up and cleaned it with power washers. That worked, but it was very labor-intensive. We were interested in an easier way to remove scale buildup” Having already been introduced to Goodway’s time-saving tube cleaning equipment, he called his local sales rep for a way to improve the labor-heavy descaling work.

“Our Goodway sales rep sent us a brochure on the GDS-100 descaling system and I did some research. The product seemed like it might apply to our work and could save labor costs by not having to open up the heat exchanger. The setup looked easy and we had never tried a recirculating system, so we decided to test it out.”

The GDS-100 is a portable “clean-in-place” (CIP) descaling system that pumps descaling liquid through industrial hydronic equipment to dissolve mineral scale deposits, into a liquid suspension to be flushed out. The descaling system is built on wheels making it easy to roll to the work area and once it’s running, the descaler can be left to do the work while the technicians take care of other things.

The power plant maintenance team put the GDS-100 to the test. They filled it with ScaleBreak® Liquid Descaler to see how the system would handle a heavily scaled plate heat exchanger. “We decided to let the GDS-100 circulate for a full 24 hours to see if it could clean it. When it was done we opened up the heat exchanger and found that it did an effective job at cleaning out the scale.” The team immediately knew this was a product that would help them be more efficient.

“Labor savings are a huge benefit of this machine. I can set this up in two hours and just let it run unmanned by itself. We don’t have to open the heat exchanger for inspection each time we clean because we’ve already tested and know it works. The gaskets stay intact and remain inside the exchanger and we don’t have to struggle to put them back. Manual cleaning is very labor-intensive when you don’t have the benefit of the circulation system. We can see the labor savings right away.”

The savings from the GDS-100 goes beyond labor. The efficiency of the heat exchanger improved immediately after it was descaled. When scaled, the heat exchangers at the power plant were only showing a temperature drop of 4 or 5 degrees. But after being descaled with the GDS-100, the heat exchangers were giving 8 to 9-degree temperature differences – nearly a 100% improvement. The team told us that they were getting efficiencies they hadn’t gotten in a long time.

Fast setup, reduced labor costs, and improved efficiency make the GDS-100 and ScaleBreak® Liquid Descaler the choice for maintenance managers everywhere. The team at the municipal power plant is spreading the news of their success. “We’ve taken photos and sent them around to our other facilities to show them the results.” We love to make our customers more successful. Let us show you our entire line of products to make you and your equipment more efficient and work better.

Casino Maintenance: From Surface Sanitation to the HVAC System

Each year more than 50 million people visit casinos in the United States and play some of the 1 million slot and video game machines across the country. But each time they pull the handle, they’re wagering more than just their money; they’re wagering their health, too. Thousands of casino visitors come to play every day despite being sick with a cold or the flu. When sick people push a video poker button or pick up the dice, their germs are left behind and transmitted to the next player who might get sick.

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Chiller Tube Cleaning-A Necessary Preventative Maintenance Task

In 2007 on a man-made island off the coast of Qatar, the world’s largest chiller plant came online. The Pearl Qatar’s mechanical building is packed with fifty-two chillers each over two thousand tons providing an astounding 130,000 tons of cooling to the island’s residential and commercial buildings. In a country where summer temperatures hover around 120° F, the water-cooled chiller plant at The Pearl Qatar never slows down and neither does the maintenance staff.

Your team may not be working on chillers that cool the million dollar homes of oil tycoons, but to keep your chiller working efficiently, it needs regular maintenance and cleaning just like the chillers at The Pearl Qatar. Chiller manufacturers have recommended maintenance tasks that include periodic cleaning of the chiller and condenser tubes. Chiller tubes make up the “circulatory system” of the chiller and, just like when humans veins and arteries clog, when tubes are blocked things go bad.

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The Simplest Way to Maintain Chiller Efficiency

Chillers in large commercial buildings are often the most expensive piece of equipment in the facility. Not only is a chiller expensive to purchase and install, but according to the North Carolina Energy Office’s “Chillers: Energy Saving Fact Sheet”, chillers “consume more than 50% of electrical energy during seasonal periods of building use.” So with a very expensive, very energy-hungry piece of equipment you might think facility managers spend a lot of time ensuring chillers work at peak efficiency. But the same fact sheet points out that a Department of Energy survey estimates that “120,000 chillers in the U.S. are expending more than 30% in additional energy through operational inefficiencies.” It seems a lot of chillers are wasting a lot of money through operational inefficiencies. But what exactly is an operational inefficiency and how can facility managers correct these inefficiencies?

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Innovations in Maintenance Technology

Facility managers with chillers and heat exchangers in their buildings know that a big part of routine maintenance is merely keeping the equipment clean. Cleaning the internal components, cleaning the housing, and even washing down the work area might be a messy and tedious job, but it’s necessary to ensure the proper function of the HVAC system. Clean equipment simply runs better and breaks down less frequently.

Over the years the complexity of HVAC equipment has increased, but many basic maintenance tasks like cleaning haven’t changed very much. Luckily for technicians, the tools needed to perform this work have improved, and dirty jobs like cleaning, pressure washing, or descaling can be completed faster than ever before.

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