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CNT System
Containment System
| Question | Answer |
|---|---|
| What is the CNT System? | Containment System |
| What is the purpose of the Containment System? | ensures that an acceptable limit of leakage of radioactive material is not exceeded under design basis accident conditions |
| What are the basic components of the Containment System? | concrete containment building steel containment vessel annulus personnel air locks |
| What is the basic operation of the Containment building? | provides both environmental and missile shield protection for the Steel Containment Vessel |
| What is the basic operation of the Containment Vessel? | designed to contain the release of radioactivity and energy resulting from a LOCA |
| What is the basic operation of the Annulus? | provides controlled air volume and access to all containment penetrations for testing and inspection |
| What is the basic operation of the Personnel Air Locks? | provide double barrier protection for containment isolation and access into and out of containment |
| What is the basic interrelationship with Containment Isolation System and the Containment System? | utilizes barriers to isolate process lines that penetrate containment and prevent release of radiation to the environment |
| What is the basic interrelationship with Ice Condenser System and the Containment System? | reduces containment temperature and pressure |
| What is the basic interrelationship with the Emergency Hydrogen Mitigation System and the Containment System? | protects the containment structure from a sudden overpressure due to a hydrogen reaction by igniting low concentrations of hydrogen gas |
| What is the operation of the Containment System under a LOCA? | the building is protected from over pressurization |
| What is the purpose of the steel containment vessel and concrete reactor building? | serve as biological shields |
| What material is the Reactor Building made of? | concrete |
| What material is the Containment Vessel made of? | steel |
| What is the purpose of the Annulus in the event of a LOCA? | space is kept at a slightly negative pressure to control and filter potential radioactive leakage from primary containment |
| Where is the Annulus located? | between the vessel and containment concrete building |
| What is the purpose of the Personnel Air Locks on the reactor side? | serves as the first barrier |
| What is the purpose of the Personnel Air Locks on the auxiliary side? | serves as the redundant barrier |
| What serves as the Emergency Personnel Air Lock? | Lower Air Lock |
| What is the purpose of the Ice Condenser System reducing containment temperature and pressure? | limits the potential for fission product leakage |
| When does the Emergency Hydrogen Mitigation System start? | during and following a LOCA |
| How does the Ice Condenser System reduce temperature and pressure of containment? | melting the ice and the containment air return fans circulating the air from upper to lower |
| What systems are responsible for operation of the Containment Building System under a LOCA? | Containment Isolation System Ice Condenser System Hydrogen Mitigation System |
Created by:
jasminetoy
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