HOBAS® for a Positive CO2 Balance
Apr 01, 2009
The world's largest producer of rails and turnouts is VOEST Alpine Eisenbahn GmbH (VAEE). With its 700 employees it is also one of the largest employers in Zeltweg, Austria. A high demand on electricity is however necessary for the production so that the current high energy prices induced the management to look for a more attractive power source.
HOBAS CC-GRP Pipe Systems easily fulfilled all requirements. Since October 2008, HOBAS Pipe Austria has been delivering the unique HOBAS CC-GRP Pressure Pipe Systems including FW couplings to the new power plant Penz VAEE, which is operated by Mr. Rochus Penz, VAEE and the constructor Zotter.
The pipeline is installed in three phases, leading from the power plant Penz to the estuary of the rivers Pöls and Mur and finally to the power house on VAEE property.
The pressure line first runs through farmland and an adjacent housing area is bypassed along the river. Worthwhile mentioning is the installation of HOBAS Pipes beneath the river's groundwater level. Despite the depth, the pipe bedding was completely dry due to dense soil, which resulted in fast and cost efficient installation.
The first phase, from the intake works Penz in Aichdorf to the Pöls Bridge, was initiated October 1st 2008 and will be completed in March and on schedule. Between March and June 2009 and for the second construction phase, pipes will be laid from a railway bridge to the power house. The third phase is planned to run from June to September 2009, when the lines shall finally meet between the railway bridge and the Pöls Bridge.
The two planned Kaplan spiral turbines have an average output of 12.9 million kWh p.a., which corresponds to the electricity needs of 6,000 families of four. Because the VAEE itself currently needs 8 million kWh, the excess can be delivered to the public network once the plant is completed.
Not only does the power plant bring relief in terms of costs, also the production process of VAEE can be optimized. Since the method to heat the rails with gas in order to shape them proved to be dissatisfactory, they will in future be heated by induction (with electricity), which will assure 100% process safety.
This independent power supply not only ensures the long term continuance of the factory in Zeltweg but it also contributes to a positive CO2 balance of the company. The power plant is moreover built according to strict environmental regulations. For instance, a residual of 1,500 l water per second and up to 2,900 during the cold months is ensured and lies well above the requirements. With this, the plant has the largest amount of residual water in Styria - which works well for the benefit of the environment and fish population.
Overview | |
---|---|
Year of Construction | 2008-2009 |
Total Length of Pipe | 2997 m |
Pressure Class | PN 2-5 |
Stiffness Class | SN 5000 |
Diameter | DN 2400 |
Installation Method | open trench |
Application | HydroLine |
Client | KW Penz GmbH |
Contractor | Zotter GmbH |
Advantages | quick installation, absolute leak tightness, low weight, corrosion resistance |
Contact:
Alexandra Dobnigg
Marketing – Graphics & Press
HOBAS Engineering GmbH
9020 Klagenfurt
Austria
T +43.463.48 24 24.38
F +43.463.48 21 21
E-Mail: alexandra.dobnigg@hobas.com
www.hobas.com
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Contact
HOBAS Engineering GmbH
9020 Klagenfurt, Österreich
Phone:
+43.463.482424
Fax:
+43.463.482121