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Edition 03/14

Article and Compact news

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Article

For lively fish in the water

Oil-free generation of oxygen at fish farm

For the basic supply of oxygen to their trout breeding tanks, Messrs. Winkelmann has exclusively used AERZEN positive displacement blowers for the last twelve years, with these 18 machines compressing absolutely oil-free.

Concrete circulation basin with integrated water treatment for raising salmon trout at the Winkelmann farm in Wietzendorf
Central oxygen station at the Winkelmann farm with nine electrically-driven positive displacement blowers series Delta Blower Generation 5 made by AERZEN and two of the above machines driven by diesel engines
Oxygen entry into a circulation basin
Hermann Winkelmann, senior manager: "We place the greatest value on the reliability of our oxygen producers. AERZEN positive displacement blowers have proven reliability and therefore enjoy special preference. Ultimately, we have always decided to choose a positive displacement blower from AERZEN."

For 30 years, trout have been cultivated at the Winkelmann farm in Wietzendorf (Lower Saxony), southeast of the city of Soltau. What started out as a hobby ultimately became a business. Since then, the main goal has been the preparation of fish eggs, caviar (roe).
The female trout are brought up in concrete semi-circulating basins and slaughtered after 26 to 29 months as salmon trout. The annual fishing quota is 650 - 700 tons. The company itself sells the caviar throughout the world. The fresh fish goes to processors.

“Spa area” for fishes

“A fail-safe supply of oxygen is mandatory for our breeding tanks”, explains junior manager Stephan Winkelmann. This supply ensures not only the oxygen vital for the fish to breathe, but also a constant circular flow of water. The fish constantly need to swim against the flow of water to remain active.
For an optimal supply, approximately 7 kilogrammes of pure oxygen dissolved in the water is required per tank each hour. The corresponding compressed air require- ment is approximately 10 - 12 cubic metres per minute per tank. Winkelmann covers this requirement exclusively with compressed air produced by AERZEN’s positive displacement blowers. Only in the case of higher temperatures does additional pure oxygen need to be provided via surface aeration or ceramic diffusers.

Highest security of supply

“Since the start of the intensive breeding, we produce the required oxygen exclusively with AERZEN positive displacement blowers”, says senior manager, Hermann Winkelmann. Even now, the first units in- stalled in containers operate continuously around the clock - without showing any signs of wear. In parallel with the extension of the breeding tank, nine further ma- chines of the current series Delta Blower “Generation 5” work in a central location at Winkelmann. Seven units of type GM 25 S are driven electrically and two machines of type GM 60 S have diesel motors. At the
same time as the commissioning of the circular tank in mid-2014, three additional electrically-driven units and one diesel- powered unit were installed. In order to be well prepared in case of a longer power failure, the company also has two emergency generators.

... and energy efficiency

“Besides the high security of supply, the- re is one further argument in favour of AERZEN positive displacement blowers”, says Winkelmann. “Thanks to these machines we produce the oxygen with optimal energy efficiency. This is a very important consideration for us, as energy costs are a principal component within our overall profitability calculation. Only when the entire company works economically, it is possible for us to sell our products successfully in the market.”

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!