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FAUDI for Andasol
Protected solar power
in Spain
Andasol 1 to 3 are located in the Spanish province
of Granada, with Andasol 3 still under construction.
They are state-of-the-art solar-thermal power stations that,
following completion, will consist of 510,000 square meters
of collector surface - Europe‘s largest solar power station.
The technically usable potential of solar-thermal electricity
generation exceeds the worldwide demand for electricity
many times over. Solar radiation heats up oil as a heat
carrier to approximately 300 °C, which is then pumped to
circulate through the system and transfer the energy. In this
process, very fine particles develop, which are deposited
on the insides of the piping and which can cause damage.
To prevent this, candle filters with special stainless-steel
backflush filter elements from FAUDI are used in Andasol 1
and 2. The special design of these HTF filter elements means
that, when the backflush valve in the lowest part of the filter
is briefly opened, dirt is washed out of the filter elements
and discharged from the system. This serves to protect the
sensitive machinery from dirt and suspended particles in the
optimum way. The filters achieve a filtration grade of up to 3
μm. The newly developed gas-assisted backflushing process
and the newly developed filter elements in the FAUDI candle
filters also reduce flushing loss considerably. This protects
the environment through less waste and also allows financial
savings to be made due to lower amounts of expensive oils
being lost. Besides Andasol, FAUDI candle filters are also
used in Spain in the Extresol power stations 1 and 2.
Technical Data
Medium:
heat carrier oil
Design pressure: 18.5 bar
Design temperature: 400 °C
Flow volume: 150 m 3 /h
Filtration grade: 20 μm
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