Südbayerische Portland Zementwerk Gebr. Wiesböck & Co. GmbH, Rohrdorf, Germany, is building near Rosenheim the first German power plant to use hot waste gas from cement production to generate electricity. A consortium of the Siemens Industry Solutions Division and Kawasaki Plant Systems, Ltd. was commissioned to set up the new plant with a waste heat recovery system. Upon completion in April 2012, the plant will cover one-third of the cement works' power requirements.
Suedbayerische Portland Zementwerk Gebr. Wiesboeck & Co. GmbH, Rohrdorf, Germany
Südbayerisches Portland Zementwerk GmbH is part of the Rohrdorfer Baustoffgruppe. The company manufactures cement, transit-mixed concrete, concrete goods and prefabricated concrete parts at 40 production locations in Germany and Austria. The new power plant at the cement works in Rohrdorf will use the hot waste gas from the rotary kiln and the clinker cooler, as well as the residual heat from the chimney, to generate electricity. The power plant is sized to include the future waste heat from the chloride bypass. This innovative, highly efficient and environmentally friendly project is being supported by the Federal Ministry for the Environment within the framework of its environmental innovation program. With the construction of a new raw mill and a dedusting facility, the cement works in Rohdorf has already made an important contribution to climate protection.
Kawasaki Plant Systems, Ltd. and Siemens formed a consortium to construct the plant, in order to keep responsibility for the water/steam cycle with a single party. Beforehand, all possible heat sources in the production facility were analyzed and evaluated in close cooperation with Portland Zementwerk GmbH. The cement plant in Rohrdorf, Germany, is attending to planning and execution of all civil works, steel construction and piping, along with integration into the existing production facility. Siemens is supplying the electrical equipment and instrumentation and control, as well as the steam turbine and the generator. Supervision of construction and commissioning are also comprised in the Siemens contract. Kawasaki is providing the overall plant design and engineering for the water/steam cycle. The pressure parts of the boiler, the feed water pre-heater on the clinker cooler, and the air condenser for the steam turbine are the components Kawasaki is supplying. The waste heat recovery boiler features horizontal gas passage. Dust is removed from the vertically arranged heat exchanger tubes by means of the proven and patented Kawasaki hammering mechanism.
The new power plant with a capacity of 6.8 megawatts will generate some 50,000 megawatt hours of electrical energy per annum. That is equivalent to the power consumption of 34,600 people or 16,400 households. The generation of power from this industrial waste heat will also eliminate some 31,500 tons of carbon dioxide per year. This increases energy efficiency in production and reduces CO2 emissions.
Solutions for exploiting waste heat are part of the Siemens environmental portfolio, with which the company achieved sales of some €23 billion in fiscal 2009. That makes Siemens the world's largest supplier of environmentally sustainable technology. In the same period, customers saved 210 million tons of carbon dioxide by using products and solutions from Siemens. This corresponds to the current annual combined CO2 emissions of New York, Tokyo, London and Berlin.
The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility und Osram. With around 207,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2009 total sales of approximately €35 billion.
The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. A wide-ranging portfolio of environmental solutions helps industrial companies to use energy, water and equipment efficiently, reduce emissions and comply with environmental guidelines. With around 31,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.8 billion in fiscal year 2009.
Did you know that the wrapping of Easter eggs benefits from specialty light sources?
13.04.2017 | Heraeus Noblelight GmbH
To e-, or not to e-, the question for the exotic 'Si-III' phase of silicon
05.04.2017 | Carnegie Institution for Science
More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
Automated manufacturing processes are the basis for ultimately establishing the series production of CFRP components. In the project HolQueSt 3D, the LZH has...
Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
"The structural robustness of thin metal films has significant importance for the reliable operation of smart skin and flexible electronics including...
The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...
The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
20.04.2017 | Event News
18.04.2017 | Event News
03.04.2017 | Event News
25.04.2017 | Physics and Astronomy
25.04.2017 | Materials Sciences
25.04.2017 | Life Sciences