Containment vessel construction for nuclear power reactors专利检索-安全壳混凝土屏蔽层防辐射专利检索查询-专利查询网

Containment vessel construction for nuclear power reactors

阅读：856发布：2022-01-30

专利汇可以提供Containment vessel construction for nuclear power reactors专利检索，专利查询，专利分析的服务。并且A nuclear containment vessel houses an inner reactor housing structure whose outer wall is closely spaced from the inner wall of the containment vessel. The inner reactor housing structure is divided by an intermediate floor providing an upper chamber for housing the reactor and associated steam generators and a lower chamber directly therebeneath containing a pressure suppression pool. Communication between the upper chamber and the pressure suppression pool is established by conduits extending through the intermediate floor which terminate beneath the level of the pressure suppression pool and by inlet openings in the reactor housing wall beneath the level of the pressure suppression pool which communicate with the annulus formed between the outer wall of the reactor housing structure and the inner wall of the containment vessel. The inner reactor housing structure is preferably constructed of reinforced concrete and the intermediate floor and the outer wall thereof surrounding the lower chamber are preferably faced with a continuous steel lining so as to be substantially gas-tight.，下面是Containment vessel construction for nuclear power reactors专利的具体信息内容。

权利要求

1. A CONTAINMENT VESSEL CONSTRUCTION FOR NUCLEAR POWER REACTORS WITH PRESSURE SUPPERESSRION COMPRISING: OUTER CONTAINMENT MEANS FOR HOUSING A NUCLEAR REACTOR VESSEL AND ASSOCIATED STREAM GENERATORS, AN INNER HOUSING STRUCTURE WITHIN SAID OUTER CONTAINMENT MEANS, SAID INNER HOUSING STRUCTURE HAVING AN OUTER WALL SECURED TO THE FLOOR OF SAID OUTER CONTAINMENT MEANS AND EXTENDING UPWARDLY THEREFROM IN CLOSELY-SPACED RELATIONSHIP TO THE INNER PERIPHERAL SURFACE OF SAID OUTER CONTAINMENT MEANS TO FORM A RELATIVELY SMALL ANNULUS THEREBETWEEN, SAID INNER HOUSING STRUCTURE DIVIDED BY A GAS-TIGHT INTERMEDIATE FLOOR MEMBER INTO UPPER AND LOWER CHAMBERS, SAID UPPER CHAMBER BEING IN OPEN COMMUNICATION WITH THE SPACE CONTAINED BY SAID OUTER CONTAINMENT MEANS AND ALSO WITH SAID ANNULUS, SAID OUTER WALL OF INNER HOUSING STRUCTURE EXTENDING IN A SUBSTANTIALLY CONTINUOUS, STRAIGHT, VERTICAL LINE FROM THE PORTION THEREOF SURROUNDING SAID UPPER CHAMBER TO THE PORTION THEREOF SURROUNDING SAID LOWER CHAMBER, SAID PORTION OF SAID OUTER WALL OF SAID INNER BEING HOUSING STRUCTURE SURROUNDING SAID LOWER CHAMBER BEING GAS-TIGHT SAID NUCLEAR RACTOR VESSEL AND ASSOCIATED TEAM GENERATORS MOUNTED WITHIN SAID UPPER CHAMBER, A PRESSURE SUPPERESSION POOL PROVIDED IN SAID LIWER CHAMBER DIRECTLY BENEATH SAID UPPER CHAMBER, A PLURALITY OF INLET OPENING DISTRIBUTED IN THE LOWER PORTION OF SAID OUTER WALL OF SAID INNER HOUSING STRUCTURE COMMUNNICATING SAID LOWER CHAMBER WITH SAID ANNULUS, AND SAID PRESSUE SUPPERESSION POOL CONTAINED IN SAID LOWER CHAMBER EXTENDING TO A LEVLE AT LEAST ABOVE SAID INLET OPENINGS, WHEREBY IN THE EVENT OF A BAPOR AND GAS PRODUCING ACCIDIENT WITHIN SAID UPPER CHAMBER SAID GASES AND VAPORS ARE CONDUCTED UPWARDLY INTO SAID SPACE CONTAINED BY SAID OUTER CONTAINMENT MEANS AND THENCE DOWNWARDLY THROUGH SAID ANNULUS AND SAID INLET OPENINGS INTO SAID PRESSURE SUPPERESSION POOL.

2. Apparatus as defined in claim 1, including a plurality of conduit means extending through said intermediate floor member and terminating in a general vertical portion within said pressure suppression pool, whereby in the event of a vapor and gas producing accident within said upper chamber, said gases and vapors are also conducted downwardly through said conduit means into said pressure suppression pool.

3. Apparatus as defined in claim 1, wherein said inner housing structure and intermediate floor member are constructed of reinforced concrete, and including a gas-tight vapor-impervious lining extending continuously along the portion of the outer wall of said inner housing structure surrounding said lower chamber and also extending continuously between said upper and lower chambers.

4. Apparatus as defined in claim 2, wherein said upper chamber is divided into a central cylindrical compartment for housing said nuclear reactor vessel and into a lateral compartment for housing said associated steam generators, said central compartment being in open communication with the space contained by said containment means; and said plurality of conduit means and radially distributed about the periphery of said central compartment, thereby communicating the interior thereof with said pressure suppression pool.

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