COMBINED ACTIVE AND PASSIVE REACTOR CAVITY WATER INJECTION COOLING SYSTEM

Disclosed is a combined active and passive reactor cavity water injection cooling system. The structure of the system comprises a passive reactor cavity water injection tank (1) and a reactor cavity water injection cooling pump (3), wherein the passive reactor cavity water injection tank (1) is conn...

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Bibliographische Detailangaben
Hauptverfasser:	YUAN, Xia, LI, Jingyan, ZHAO, Xia, WAN, Like, ZHANG, Guoqiang, SONG, Daiyong, ZHAO, Bin, YU, Yong
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT NUCLEAR REACTORS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Disclosed is a combined active and passive reactor cavity water injection cooling system. The structure of the system comprises a passive reactor cavity water injection tank (1) and a reactor cavity water injection cooling pump (3), wherein the passive reactor cavity water injection tank (1) is connected to a reactor cavity (2) via a passive injection pipeline, the reactor cavity water injection cooling pump (3) is provided outside a containment vessel (5), an inlet pipe of the reactor cavity water injection cooling pump (3) is connected to a refuelling water tank (4), and an outlet pipeline of the reactor cavity water injection cooling pump (3) passes through the containment vessel (5) and connects to the reactor cavity (2). The system serves as a severe accident countermeasure, using a combined active and passive multi-redundancy and multi-variation method such that if an accident occurs, reactor core melt is carried away, and heat is discharged from the reactor core, thus providing the safety function of guarding against melt-through.