Connecting piece for pressure vessel cover of nuclear reactors专利检索-反应堆压力容器压力容器压力容器专利检索查询-专利查询网

Connecting piece for pressure vessel cover of nuclear reactors

阅读：268发布：2022-07-03

专利汇可以提供Connecting piece for pressure vessel cover of nuclear reactors专利检索，专利查询，专利分析的服务。并且A connecting piece extends into a port formed in a nuclear reactor pressure vessel cover having a plated layer on the inner surface thereof. The compound piece is made up of a compound tube provided with an austenitic steel inner liner tube at least in the vicinity of the port, the connecting tube extending within the port substantially to the inner surface of the pressure vessel cover and being secured to the plated layer by welding.，下面是Connecting piece for pressure vessel cover of nuclear reactors专利的具体信息内容。

权利要求

1. In a nuclear reactor pressure vessel cover having a plated layer on the inner surface thereof and formed therein with at least one port, a connecting piece extending into the port and comprising a compound tube formed with an austenitic steel inner liner tube at least in the vicinity of said port, said compound tube extending within said port substantially to the inner surface of the pressure vessel cover, and being secured to said plated layer by welding, said pressure vessel cover having a spherically arched inner surface, said compound tube having a lower edge shaped so as to terminate in substantially flush alignment with the spherically arched inner surface of the cover, and including a weld material deposit covering a region of the plated layer of the cover adjacent said port and extending beyond the edge of said port beneath said lower edge of said compound tube, said lower edge of said compound tube being secured by welding to said weld material deposit.

2. In a nuclear reactor pressure vessel cover having a plated layer on the inner surface thereof and formed therein with at least one port, a connecting piece extending into the port and comprising a compound tube formed with an austenitic steel inner liner tube at least in the vicinity of said port, said compound tube extending within said port substantially to the inner surface of the pressure vessel cover, and being secured to said plated layer by welding and further comprising a ring-shaped plated layer received in said port at the periphery thereof adjacent the inner surface of the pressure vessel cover, said compound tube having a flat lower end surface extending in a plane perpendicular to the axis of said compound tube and formed with an end layer of austenitic steel secured to said inner liner tube, said austenitic steel end layer being, in turn, secured by welding to said ring-shaped plated layer.

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Connecting piece for pressure vessel cover of nuclear reactors

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