Fukushima, Chronologie eines Unfalls
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- Anis Wilson
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1 Fukushima, Struktur des Vortrags Ablauf des Reaktorunfalls Technische Maßnahmen für die Zukunft Radiologie An Land Zu Wasser
2 Reaktordesign
3 Reaktordesign
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7 Reaktortypen
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13 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
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16 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
17 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
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21 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
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23 P 2 0,2 0,2 =6, t ( T 0 +t ) P0 [ ]
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51 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
52 Maßnahmen
53 Maßnahmen
54 Radiologie 0.1 µsv Background
55 Radiologie
56 Radiologie Food Monitoring 19 March to 3 May, MHLW Proben aus 18 Präfekturen 2239 Proben (91%): unter der Regulierungen Fukushima 222 samples (9 %): über den Regulierungen hauptsächlich Gemüse: Aus 6 Präfekturen (Chiba, Fukushima, Gunma, Ibaraki, Tochigi, Tokyo) Gunma Saitama Tokyo 0 0 Hyogo Kyoto 0 0 0
57 Radiologie
58 Radiologie
59 Radiologie
60 Radiologie
61 Radiologie Nur 3 Proben liegen über den festgelegten Werten für Cs-134 und Cs-137. Nur Sandaale
62 Radiologie
63 Radiologie
64 Maßnahmen
65 Unit Power (MWe /MWth) Type of Reactor / / / /2381 BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service auto shutdown In service auto shutdown In service auto shutdown Outage Core and fuel integrity Damaged Damaged Damaged No fuel in the Reactor RPV & RCS integrity RPV temperature decreasing RPV temperature stable RPV temperature stable Containment integrity No information Damage suspected Damage suspected Not applicable due to outage plant status AC Power AC power available - power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room AC power available power to instrumentation Lighting to Central Control Room Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel is uncovered Around half of Fuel is uncovered Around half of Fuel is uncovered Pressure of RPV Slowly increasing Stable Stable CV Pressure Drywell Stable Stable Stable Water injection to RPV Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Injection of freshwater via mobile electric pump with off-site power Water injection to CV No information No information No information Spent Fuel Pool Status Fresh water injection by concrete pump truck Freshwater injection to the Fuel Pool Cooling Line Freshwater injection via Fuel Pool Cooling Line and Periodic spraying Not applicable due to outage plant status Fresh water injection by concrete pump truck
66 Maßnahmen
67 Quellen IAEA JAIF VBG AREVA ATI TEPCO SIROCCO
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