Doel Nuclear Power Station
F1
Active reactors ( gross ):
The nuclear power plant Doel is a Belgian nuclear power plant. It lies on the boundary of Doel (municipality Beveren ) on the Scheldt, about 15 km north of Antwerp.
It is next to the nuclear power plant Tihange one of two operating nuclear power plants in Belgium. It consists of four blocks with pressurized water reactors. Block 1 has an output of 412 MW, Block 2 has a capacity of 454 MW, Unit 3 has a capacity of 1,056 MW , Block 4 has a capacity of 1,041 MW. Units 1 and 2 were supplied by Westinghouse, Units 3 and 4 of Framatome. Operator is the Belgian Electrabel Group.
The operator stated in November 2011 that he will take the blocks 1 and 2 in 2015 from the network, as no longer worth further investment. In the summer of 2013 but was spoken as a cut-off date of the federal government no longer 2015 but 2016.
Security
Units 3 and 4 each have three strands at 100% capacity for the emergency power supply and the emergency cooling, with individually assigned emergency diesel generators. In addition there is still capacity for both blocks, each in a bunkered against external influences building.
Units 1 and 2 have in common four - emergency feedwater respectively Notkühlstränge ( 100 %) with associated emergency diesel generators as standard equipment. Also common block is the additional bunkered emergency cooling with associated diesels.
All blocks have a double containment.
Cracks in the pressure vessel of reactor 3
Unit 3 was shut down in August 2012 until further notice, because cracks in the reactor pressure vessel had been discovered. The safety relevance of the damage is still unclear. However, there was " ample evidence " to defects in the steel of the reactor vessel; also recommended the Belgian Nuclear Regulatory Commission AFCN, all 21 other reactor vessel from the same manufacturer ( Rotterdamsche Dry Dock Maatschappij ) (they are among other things in the NPP Ringhals 2 (Sweden), NPP Borssele (Netherlands ) and in Leibstadt and NPP Muhlenberg ( Switzerland ) in to consider use ).
An article in the French daily newspaper Le Monde, August 8, 2012 made this known. The Belgian Nuclear Regulatory Commission AFCN published a six-page briefing paper.
Not affected are operational German nuclear power plants ( first reports had speculated else). An ultrasound check of the Belgian Nuclear Regulatory Commission gave 8000 cracks on the reactor shell. In the spring of 2013, the Federal Agency for Nuclear Control FANC announced that the affected reactors Belgian Doel 3 and Tihange were 2 checks intense. January Ben, head of the agency, announced that both reactors to " 101 percent safe " and that a restart nothing stand in the way .. January Ben was previously from 2004 head of the Doel nuclear plant. In early June 2013, the affected reactor was started up again.
Incidents
On 18 March 2011, damage to the water pump of Unit 4 was discovered and classified as Level 2 incident on the International Nuclear Event Scale evaluation.
On 4 August 1982 occurred after failure of the 380 kV network and strong voltage fluctuations in the reserve network in the two oldest Doel blocks of the emergency case. Four diesel generators started, but the cool-down necessary supplies could not be guaranteed because of errors. As a last reserve came a current - independent, driven by the steam of Nachzerfalls heat cooling system in action until after about an hour, the power supply was restored in two reactor blocks.
Others
One of the outgoing power lines crossing the Scheldt on the Scheldt overhead line crossing Doel using 170 -meter-high towers, one of which is on a caisson in the Scheldt.
Data of the reactor units
The nuclear power plant in Doel has a total of four blocks:
Nuclear power plant in Doel, view from the south; in the foreground the old village mill
The nuclear power plant in Doel
The nuclear power plant
The nuclear power plant