BSEE
Robuschi has announced its new Robox Turbo package, providing wastewater treatment plants with the full spectrum of blower technology from a single unit, delivering vital eciencies to operators that can have a big impact on the boom line.
nergy consumption can account for as much as 75 per cent of a wastewater treatment plant’s total costs, with aeration systems generally being one of the industry’s biggest energy users. Aeration is a critical and energy-intensive process for the sector, with typically 60 per cent of energy costs attributed to this process. With air demands in these applications constantly changing, improving the energy efficiency of blower technology can help considerably cut energy costs. The Robox operating range extends from positive displacement, courtesy of the unit’s tried and trusted lobe and screw solutions, all the way to centrifugal compression with the latest high- speed turbo blower technology. This means the system can be adapted for both low- and high- pressure configurations, with a range of up to 2.5 bar and an air flow rate of up to 26,500 m3/h. Whatever the process air demands are during aeration, the Robox Turbo system can easily adapt to meet these needs, ensuring energy usage is optimised while reducing a plant’s energy bills in the process too. Energy savings of up to 40 per cent are possible.
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With many plants working towards ambitious sustainability goals, upgrading to a system like Robox Turbo can help play an important role in contributing to reduced energy consumption and the impact this has on the environment. The package is fitted with a high-speed motor and drive to reach the high rotational speeds – up to 45,000 RPM – required for the operating pressure levels of the turbo technology. The system’s impeller uses air foil bearings, which generate a completely contactless transmission when the turbo blower is running. This eliminates any mechanical efficiency losses, as well as ensuring no oil is needed in the system’s air end. The fact that the Robox Turbo is oil-less means it meets even the most rigorous environmental standards, too.
Meanwhile, a sophisticated but easy-to-use control system ensures monitoring the performance of the Robox Turbo is simple and straight-forward. The option to monitor the control system remotely means operators can quickly raise the alarm if any problems should arise, making sure any problems are dealt with swiftly. Antonio Stefanile, product manager at Robuschi, comments: “One big factor that can influence a system’s operational efficiency is its turndown capabilities. Expressed as a ratio of the blower’s operating range, comparing its high end with its low end, turndown essentially illustrates how flexible a system is in meeting unexpected air demands.
A greater turndown capability means a system is able to more efficiently meet an application’s air requirements, without wasting energy. “Thanks to the product mix that the Robox Turbo package now covers, which includes a lobe, screw and turbo blower, we can meet wide turndown ranges for wastewater treatment sites. The turbo blower can be used to accommodate baseline loads at facilities, and then users can switch to the lobe or screw blower for either low loads or peak times.
“Available in a compact design, our new Robox Turbo takes up minimal floor space, while being incredibly easy to install too. Thanks to its power electric cabinet and integrated variable frequency drive, all the Robox Turbo needs is a connection to the pipework and electric power, making it practically a ‘plug and play’ solution. “Another key benefit to the Robox Turbo is just how quiet the system is. The package has been designed to emit low noise levels, by ensuring air is delivered to the process without pulsation, so there are practically no vibrations and quiet operation is guaranteed. This is particularly important for sites
located in or near busy cities, which must comply with stringent low noise regulations. There is even the option of a special noise enclosure for an outdoor installation, should a customer require it. “Ultimately, the Robox Turbo offers a superior blower solution to the wastewater treatment industry, helping improve a site’s total cost of ownership during the lifetime of the blower, while also reducing a plant’s environmental impact. The package grants up to 40 per cent energy savings and requires little maintenance, too.”
www.gardnerdenver.com/ en-gb/robuschi
About Ingersoll Rand Ingersoll Rand Inc. (NYSE:IR), driven by an entrepreneurial spirit and ownership mindset, is committed to helping make life better. We provide innovative and mission-critical industrial, energy, medical and specialty vehicle products and services across 40+ respected brands designed to excel in even the most complex and harsh conditions where downtime is especially costly. Our employees connect to customers for life by delivering proven expertise, productivity and efficiency improvements. For more information, visit
www.IRCO.com.
About Robuschi
Robuschi is a leading supplier of rotary lobe and screw blowers, low-pressure screw compressors, liquid ring and centrifugal pumps, and other customised solutions for an extensive range of industries. This includes the wastewater treatment, aquaculture, manufacturing, medical, plastics, chemical and pharmaceutical, pulp and paper, and environmental sectors. Founded in 1941, Robuschi became part of Gardner Denver in 2011. Now part of Ingersoll Rand, Robuschi believes in innovation and investing in modern machining systems and state-of-the art production processes.
18 BUILDING SERVICES & ENVIRONMENTAL ENGINEER FEBRUARY 2021 Read the latest at:
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WATER TREATMENT, PUMPS & DRAINAGE
New Robox Turbo helps cut the waste in wastewater treatment
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