Diagrama de la Central Nuclear de Fuhushima mostrando las acciones principales acometidas hasta hoy para lograr la parada fría de la planta

1. Overview of Major Countermeasures in the Power Station Reference 2
Reactor building cover (countermeasures 5, 50, 54, 55)
Cooling of spent fuel pool by external water injection (countermeasures 18, 22, 28)
Storage of low
Sampling of steam/pool water and measurement of
radiation-level water
radioactive materials (countermeasure 19)
(countermeasures 33, 35, 40)
Circulation cooling of spent fuel pool
Nitrogen gas injection Reactor
(countermeasures 23, 24, 25, 27)
(countermeasures 2, 11, 15) Building
Processing high radiation-level
Tank water （countermeasures 31, 38, 43）
Water processing facility
P (Decontamination and
Tanks, Megafloats,
PCV venting (with filtration) desalt processing) Barges, Reservoir
(countermeasure 10) P
Tank Lorry
Primary Containment
Vessel (PCV) Reuse of processed water Storage of high radiation-level water
Flooding up to top of active fuel （Countermeasure 45） (countermeasures 30, 32, 37, 39, 42)
(countermeasures 3, 9)
Reactor Turbine Building
Pressure
Vessel
(RPV) Steam Turbine P
Heat Exchanger Additionally-installed
Tank
Centralized Waste
Installation of heat exchangers Treatment Building
(countermeasure 13)
P P
Condenser
Injection of fresh water with pumps
(countermeasure 1)
Suppression
Chamber Dispersion of inhibitor (countermeasures 47, 48, 52)
Removal of debris (countermeasures 49, 53) Preventive measures
(Unit 2) Sealing the damaged location against leakage of
Consideration of countermeasures for contaminated soil
(countermeasures 6, 16) high radiation-level water
Treatment of sub-drainage water after (countermeasure 51)
(countermeasure 29)
being pumped up (countermeasure 36) Seismic assessment (countermeasure 20),
Continued monitoring (countermeasure 21),
piping
(Unit 4) Installation of supporting structure under
P pumps the bottom of spent fuel pool (countermeasure 26)
heat exchangers, water processing facilities