BSEE-JAN22-PG18.qxp_Layout 1 08/12/2021 09:53 Page 18
BSEE
Whilst heating system treatment programmes are now commonplace in domestic properties to help increase efficiency and reduce maintenance costs, they are arguably more important for larger buildings
extremely costly in terms of commercial losses through building closure or ongoing energy costs. To ensure the optimum performance of a larger heating system, an effective treatment programme must be implemented. Larger heating systems require effective treatment programmes to ward off issues that will put a system at risk.
H
From the moment it is installed a heating system is at risk as water reacts with steel components. This corrosive process causes a build up a black sludge or magnetite, a black mud-like substance that is an accumulation of fine ferrous particles of corrosion.
Left unchecked this can cause problems including blocked heat exchangers and pipes, cold spots in radiators, damage to pumps and valves, and in some cases premature boiler failure. Over time, the system will also suffer from reduced efficiency, greater CO2 emissions, and higher energy and potentially huge capital investment on replacement parts such as boilers. The benefits of good system treatment for larger heating systems are significant. Buildings such as hotels, public buildings and hospitals, will not only benefit from business continuity, they’ll also reduce their energy bills and maintenance costs. In addition, there are huge environmental benefits associated with reduced energy use due to increased heating efficiency, including the reduction in carbon emissions and avoidance of boiler scrappage.
eating system failures in buildings such as hotels, municipal buildings, office blocks, and factories could be
Craig Worth, national sales manager for BoilerMag, says: “The associated costs, such as loss of income due to a broken heating system, could be highly detrimental to a business. Imagine the financial losses and brand damage that could result from having to close a hotel, factory, or other commercial workplaces because of heating system failure. This is why it is vitally important that commercial systems are protected, just as is required for domestic properties."
Whilst only guidance for domestic properties, the latest update of Part L of the Building Regulations provides a good practice blueprint for measures that should be taken to maximise the efficiency and circulation of hot water systems in all types of properties.
It’s highly recommended that specifiers and building managers adopt a sensible approach to cleaning and protecting heating systems to ensure that the health of larger hot water systems is maintained and protected in the long term.
Mr Worth explains: “Existing systems should be correctly cleaned and flushed, before using an inhibitor chemical to prevent scale formation and the corrosion of metals. Finally, a filter should be fitted into the heating circuit to maintain the efficiency of the system and prolong its life. Even for new systems, it is good practice to install preventative measures such as filters to ensure that systems remain clean and efficient.” High-performance magnetic filters are, without doubt, the most effective way of preventing the build-up of magnetite or black sludge in larger heating systems, reducing energy bills, reducing maintenance costs and increasing boiler life. There are a range of highly effective commercial filters ideal for many small and large commercial and industrial properties such as those from BoilerMag. For example, the Both the BoilerMag XL and BoilerMag XT, both with patented dual-flow technology, provide are said to remove virtually 100% of unwanted debris from the system. The BoilerMag XL is compatible with 1 ½” pipes and has an operating pressure of up to 12 bar, making it suitable for medium-sized commercial or retail properties. With powerful magnets and a high collection capacity, they extract ultrafine particles and can be cleaned easily during the normal system routine service. The BoilerMag XT is available in sizes to fit 2” up to 12” pipes with PN16 flanges and can be installed in a variety of larger buildings, including factories, offices, hospitals and schools.
The combination of good quality water treatment chemicals, careful testing, and the installation of a magnetic boiler filter is essential for the maintenance and efficiency of commercial heating systems. Cleaning chemicals are the perfect addition to commercial heating maintenance processes, helping with the effective removal of limescale deposits, installation debris, and magnetite.
18 BUILDING SERVICES & ENVIRONMENTAL ENGINEER JANUARY 2022
BOILERS & HOT WATER
Magnetic filtration drives efficiency and longevity of commercial systems
Good quality, high-performance cleaning chemicals will display the Benchmark logo, which is a valuable endorsement of the product reputation and associated backup services. In addition to excellent limescale and iron oxide dispersal rates, cleaning chemicals should be phosphate-free to avoid damage to pumps and bearings. Making it easier for heating engineers and contractors to assess heating system water quality and recommend a treatment programme, a range of simple and easy BoilerMag tools are available. Simple dip test indicator strips can be used to test for cleaner levels in the system, allowing engineers to check dosage levels are sufficient for an effective flush, and to see if the flush has been successful or should be repeated. Similar strips can also be used to check the levels of inhibitor in the system, ensuring that the concentration is optimised at both pre and post-dose stages. BoilerMag also offers a full laboratory water analysis service providing vital information on scale forming capacity, levels of corrosion inhibitor present, contaminants present, and analysis of acidity, alkalinity and conductivity. As valuable data for installers, contractors, and facilities management companies, this information ensures that optimum treatment programs can be implemented, thereby protecting the boiler and enhancing heating system performance.
www.boilermag.com
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The associated
costs, such as loss of income due to a broken heating system, could be highly detrimental to a business. Imagine the financial losses and brand damage that could result from having to close a hotel, factory, or other commercial workplaces because of heating system failure. This is why it is vitally important that commercial systems are protected, just as is required for domestic properties.
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