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Edition 03/14

Article and Compact news

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Article

Delta Screw now even more energy efficient

AERZEN E-Compressor

AERZEN presents for the first time the completely revised compressor packages at the PowTech in Nuremberg from 30th September to 1st October 2014. These compressor packages belong to series Delta Screw E design which work even more energy efficiently than previous designs.

AERZEN Delta Screw in new E design

This new series of E compressors includes four sizes in the volume flow range from 900 to 6,700 m3 per second and drive capacities from 55 to 630 kilowatts. The single stage, oil-free screw (type) compressors are being offered with 2.0 bar and 3.5 bar differential pressure. Energy savings of up to 6% can be achieved, depending on the pressure ratio or the volume flow - which represents impressive performance in this category. Further revised types of the Delta Screw series will follow, step-by-step.

Constructive optimisations

The energy-saving improvements are the result of many constructive optimisations. Instead of suctioning the air to be com- pressed from inside the acoustic hood, cooler outside air is now sent through an intake channel directly to the intake filter. This improves the specific performance of the plant considerably. In addition, optimised inflow channels and an innovative pressure-side silencer with improved fluid dynamics and no absorption materials, help minimise pressure loss significantly. They are the results of a considerable amount of research by AERZEN’s development team. The silencer output has been reduced to less than 80 dB(A). Moreover, by using two compensators, the system is also 100 per cent stress-free. In future, this discharge side silencer will also be designed as a spark arrester according to ATEX Directive 137 for explosion proof plants (EU Directive 1999/92/EC).
Up to now, the fan for cooling the interior of the acoustic hood was positioned on the compressor shaft. From now on, the fan will be equipped with a separate electric motor. As a result, it can be made in a smaller size, positioned particularly efficiently, be controlled temperature-dependently, if necessary be operated in run-down, and be designed to save as much energy as possible. The air for cooling the lubricating oil of the bearing is now fed in directly from outside via an inlet channel - a detail which also improves the economy of a compressor, just as any temperature reduction does.

Flexible and economical

All Aerzen units are already provided with energy-saving IE3 motors, despite the fact that these will only be required by law from 2015. The flexible concept of series Delta Screw additionally permits customised special solutions, such as for special motors, acoustic hoods for special ambient conditions or special instrumentation. The series is easy to service and maintain. The service life of the lubricating oil for the bearing is 16,000 operating hours - this corresponds exactly with the maintenance intervals, which are also 16,000 operating hours, and is another positive development.
 

Compact news

Advanced concept of workspace utilisation for PGD

As a result of the steady growth of AERZEN’s Process Gas Division, their existing office space is bursting at the seams. In addition, the innovative and open working structures of the division need to be reflected in and supported by their office environment. Accordingly, a modern and sustainable working environment has been developed which will facilitate optimum communication between the teams. Project rooms and integrated meeting areas will help to encourage creativity and close cooperation.AERZEN Process Gas Division is ideally equipped for the future with the variable space and utilisation concept in the new building. The attractive working environment will also help to attract suitably qualified personnel in the future.

Flood helper medal for factory fire brigade

In the middle of June 2013, the factory fire brigade of Aerzener Maschinenfabrik joined in to fight the flooding of the river Elbe. They worked on protecting the dyke in Zeetze, Amt Neuhaus, Lower Saxony. During an awards ceremony on 4th July, the firefighters were awarded the flood medal of the federal state of Lower Saxony.

AERZEN awards promotion prize for best Bachelor-thesis

In July 2014, during an awards ceremony at the theatre of Hamelin four graduates of the “Weserbergland” High School in Hamelin, were awarded a promotion prize for the best bachelor-thesis, each with a purse of EUR 500.00. On this occasion, the promotion prize in the field of industrial engineering was donated by AERZEN. And as it turned out during the award to the winner, Jan Rosemeier, AERZEN not only manufactures the largest blower in the world, but it also handed over by far the biggest cheque.

Aerzen Andina – Peru S.A.C. established

A new organisational unit of AERZEN Group, Aerzen Peru S.A.C., was estab- lished in April 2014 in the Peruvian capital Lima.Having exported to Peru from Aerzen Germany and Aerzen Andina Colombia for many years, the time has come to establish an after-sales organisation in the country itself. This will allow the company to better assist its customers in this market, through offering local service and support. It is also planned to establish a sales and service organisation in 2015. Ricardo Castillo, General Manager of Aerzen Andina - Colombia, will assume control of the new organisational unit in Lima.

New Managing director at Aerzen Austria

<font color="#666666" face="Arial, sans-serif">Martin Barger took over the management of Aerzen Austria on 1st April 2014. Barger, who has been working at Aerzener Maschinenfabrik since early 2014, replaced longtime Managing Director, Ewald Mayrl, who has retired after many years of loyal service.</font><font color="#666666" face="Arial, sans-serif">The 32-year-old mechanical engineer has several years of experience in the Industrial Equipment and Facilities Division.</font>

Successful Areva recertification

At the end of February 2014, AERZEN passed a two-day recertification audit for the customer Areva, a leader in nuclear technology. This was achieved, not as in previous years in accordance with KTA 1401-regulations, but in accordance with NSQ-100. These regulations were published by the Nuclear Quality Standard Association (NSQA) in 2011, are based on ISO 9001 and are internationally respected.Due to the new requirements of the NSQ-100 regulations, AERZEN awaited the audit with excitement. Finally the auditors confirmed that AERZEN is well positioned even for the modified general conditions. In some aspects potential for improvement was identified, and recommendations were duly implemented to the greatest possible extent. We are thus looking forward to the next interesting and challenging orders in nuclear power plant construction

Dragon boat team competes abroad

Members of AERZEN’s dragon boat team have been talking this summer not only about the traditional domestic regatta, but also for the first time about competing abroad: the team participated in the Dragon Boat Cup in Vienna in the middle of June as the only non-Austrian team and achieved a creditable fourth place. And no won- der – the team had active and loud support from an accompanying group of fans from AERZEN as well as from domestic fans of AERZEN Austria.

Turbo Business under new management

<font color="#666666" face="Arial, sans-serif">In July, Stephan Brand assumed the position Director Turbo Business in addition to his responsibilities as International Marketing Manager.</font><font color="#666666" face="Arial, sans-serif">Brand has worked for Aerzener Maschinenfabrik since 1995, and has</font><font color="#666666" face="Arial, sans-serif">been in various positions in sales and marketing. As Director Turbo Business, he is responsible for the establishment of the worldwide turbo business, including production, development, finances, sales and service. Brand will coordinate the activities of AERZEN Turbo organisations worldwide.</font>

Spare Parts: Better Take the Original

Aerzen original spare parts are specially designed for the compressors and blowers of Aerzener Maschinenfabrik. Consequently, they stand for a high degree of reliability and safety. In addition, Aerzen After Sales Service offers warranty, a vast storage and a quick identification of the correct parts as well as short delivery and reaction times.In short: Confidence is good – Original is better!