1 year ago

MDA Technologies 3/2016

MDA Technologies 3/2016


COMPRESSED AIR NEWS Product News Turbo blowers for small and medium volume flows The Aerzen turbo series TB was particularly developed for biologically operating wastewater treatment plants with small and medium volume flow requirements. It has now been revised. Aerzen sells the packaged units in 11 series which offer air volumes from 300 to 6,000 m³/h for pressure ranges from 300 to 1,000 mbar. The innovative system experienced a number of constructive adjustments resulting in another positive effect on the energy saving. Constructive improvements within the packaged unit ensure an optimised air guidance which, eventually, minimizes pressure losses at the intake side. Since electrical and mechanical engineering are separated by open ground, heat losses of the power electronics are not passed to the process air. The separation increases the efficiency and the reliability of the electrical engineering. The plug&play system operates almost maintenance-free and absolutely oil-free; only filters have to be changed in regular cycles. The air flow is not measured indirectly, as it is the conventional way, i.e. derived from the power consumption. It is performed according to the Venturi principle. By means of a differential pressure measurement the real air-mass flow is measured in the inlet cone of the stage. In this way, the packaged unit provides real measured values for the monitoring and the internal safety devices. The extremely fast response characteristic of the frequency converter enables it to compensate difficult conditions, as for example to react on pressure fluctuations by fast change of speed. The result is a significant minor sensibility of the turbo blower throughout the total control range. Thus, users can comprehend at any time the exact quantity that is really led into their tanks. This parameter is also shown directly via the control system. background: fotolia In-house oxygen production: flexible and efficient With the Boge generator types O 3 P to O 15 P, and O 3 PE to O 15 PE, users have a safe and reliable all-in solution for producing oxygen with adsorption technology. This proven process lets users generate their own inexpensive, tailor-made and dependable supply of oxygen on site, with purity levels reaching 90 to 95 percent. Whether for water treatment, the medical sector, mining, welding or fish farming – the new Boge oxygen generators can be used wherever oxygen enrichment and thermal processes take place. The advantages of in-house oxygen production are obvious in comparison to oxygen deliveries from external suppliers – users obtain precisely the purity, output and amount of oxygen they need for their processes. As a system provider, Boge offers an ideally matched complete system comprising a compressor, filter, refrigerant dryer, activated carbon adsorber, compressed air container, oxygen generator and oxygen container. If a compressed air station is already available, generators can easily be connected to the existing network. To produce oxygen, the generators require class 1:4:1 treated compressed air complying with ISO 8573-1 (with an additional activated carbon adsorber). The quantity of compressed air that is needed depends on the oxygen purity required. MDA Technologies 3/2016

COMPRESSED AIR NEWS Flow sensors for compressed air and gases In the recent past CS Instruments has been receiving a lot of enquiries from customers located in the United States regarding the topic “Energy Savings“ in the field of compressed air supply and operating media supply of technical gases like nitrogen, argon, oxygen, natural gas and so on. „In order to get our products - which are already very successful all over the world - also ready for the US market we put a strong emphasis on the implementation of US parameters like e.g. SCFM (Standard cubic feet minute), °F, psi and so on when developing the new flow sensors for compressed air and gases“, says Sales Manager Michael Kromer (picture). The new flow sensors VA 550/ 570 work according to the calorimetric measuring principle. Therefore an additional temperature and pressure compensation is not necessary. Due to its robust design, the aluminum die cast housing, the robust sensor tip made from stainless steel 1,4571, the new VA 550/ 570 are suitable for demanding industrial applications. An ATEX version is available for applications in explosive areas. For flow measurement e.g. of natural gas there is a version with a DVGW admission. Compressed air know-how for the Americas Beko Technologies, Corp. (Beko USA), the American subsidiary of Beko Technologies GmbH that is headquartered in Neuss, Germany, maintains a 50,000 square foot production facility in Atlanta, Georgia, USA as part of the organization’s global operations. This location is the American headquarter and is responsible for producing products and providing superior customer service for all of the Americas. Beko Technologies has a dedicated team of customer service representatives, a complete engineering staff, technical service and product management, and an advanced production department that gives Beko USA the distinct capability to handle nearly every customer request from OEM needs to compressed air equipment distributors. Beko USA currently produces several different product lines at their plant; including their exclusive Drypoint M membrane air dryer technology, the brand new Drypoint X series of ultra-efficient, heatless and heated desiccant dryers, as well as the Clearpoint filtration and separator line and QWIK- Pure cartridge based oil-water separation systems. Master control system for compressed air production components The latest generation of the Sigma Air Manager (SAM 4.0) – the master control system for compressed air production and treatment components – is now available. Amongst many other key benefits, the new system optimises pressure values, automatically adjusts compressor system air delivery to accommodate fluctuating air demand and optimises system efficiency through constant analysis of the relationship between control losses, switching losses and pressure flexibility. Moreover, the SAM 4.0 enables the compressed air station to take advantage of future services such as predictive maintenance. All of these features not only boost operational reliability and efficiency, but also significantly reduce energy costs. This is largely made possible by Kaeser’s advanced 3-D Control, which takes into account other factors – aside from switching losses (start/stop) – that influence compressed air system energy efficiency. These include control losses (idling and frequency conversion) and pressure flexibility (average increase above required pressure). This innovative control strategy predictively calculates the optimum achievable configuration and adjusts the connected components accordingly – all based on the specific pressure required by the user. The easy-to-use 12-inch colour touchscreen shows at a glance whether the station is operating in the “green zone” from an energy management perspective. Operating status, pressure history, free air delivery, power consumption, as well as maintenance and any error messages can be easily displayed and analysed – both in real-time and retroactively. MDA Technologies 3/2016


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