Pressure-retentive vessel, e.g. for pressurized-fluid 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

Pressure-retentive vessel, e.g. for pressurized-fluid nuclear reactors

阅读：884发布：2022-07-24

专利汇可以提供Pressure-retentive vessel, e.g. for pressurized-fluid nuclear reactors专利检索，专利查询，专利分析的服务。并且A pressure-retentive thermally insulated vessel, e.g., for pressurized-fluid nuclear reactors, and a method of making same in which a thin-wall inner shell of corrosion-resistant metal (e.g. stainless steel) is welded from cylinder segments into a hermetically closed container. The outer shell of the double-wall lining, whose interwall space is filled with a force-transmitting thermally insulating material (e.g. a low heat-conductivity concrete), is welded together of cylinder segments of heavy-gauge steel. To support the inner wall, a plurality of radial angularly and axially spaced tie rods are welded to the outer surface of the thin inner vessel, passed through openings in the outer wall, and engage in the surrounding body of concrete serving as the outer support and radiation-shielding mass. The openings are sealed by welding and the rods are rigidly fixed to the outer wall, e.g. via bridge plates overlying the openings.，下面是Pressure-retentive vessel, e.g. for pressurized-fluid nuclear reactors专利的具体信息内容。

权利要求

1. A pressure-retentive vessel, comprising: a liner enclosing a pressure compartment and including a pressure-retentive sealed, relatively thin inner wall of corrosion-resistant material directly enclosing said compartment, a relatively thick outer wall spacedly surrounding said inner wall and enclosing same, and a multiplicity of outwardly extending rod members welded to said inner wall perpendicular thereto and substantially rigidly fixed to said outer wall for force-transmission between said outer and inner walls; a reinforced concrete body surrounding said liner, each of said walls being of substantially cylindrical configuration and being composed of a plurality of cylinder segments joined along respective weld seams, said rod members extending radially from the inner wall to the outer wall; a plurality of generally outwardly extending anchors formed on said outer wall and embedded in said body, and each formed as an extension of one of said rod members, said rod members projecting through said outer wall, said lining being further formed with cooling channels for conduction of a cooling fluid therethrough, said outer wall being formed with respective openings of a cross-section in excess of the cross-section of the respective rod member and said rod members extending with clearance through said openings, said liner further comprising bridge pieces welded to said outer wall along the outer surface thereof and closing said clearances.

2. The vessel defined in claim 1 wherein said members pass through openings in and are each sealingly welded to said bridge pieces about the peripheries of said rod members.

3. The vessel defined in claim 2, further comprising a rigid insulating mass received in the space between said walls.

4. The vessel defined in claim 3 wherein said rod members are of circular cross-section.

5. The vessel defined in claim 4 wherein said vessel is a nuclear-reactor enclosure and said inner wall is composed of stainless steel and has a thickness less than half the thickness of said outer wall, said outer wall being composed of structural steel, said insulating means consisting of insulating concrete, said cooling channels including tube means coiled around said outer wall and in heat-conducting relation therewith.

6. A method of making the vessel defined in claim 5, comprising the steps of fabricating a plurality of cylindrical inner-wall segments from stainless steel, and a plurality of cylindrical outer wall segments from structural steel while forming a multiplicity of openings in said outer wall segments; at a location remote from the vessel site welding a plurality of generally radial metal spokes to the exterior of at least one inner-wall segment, fitting an outer-wall segment spacedly around the inner-wall segment and welding said spokes thereto, thereby forming a hollow-wall vessel segment; assembling a plurality of such hollow-wall vessel segments into a final vessel configuration at the vessel site and internally welding the inner-wall segments of the hollow-wall vessel segments together and externally welding to the outer-wall segments of said hollow-wall vessel segments together; filling the space between the inner wall formed by said inner-wall segments and the outer wall formed by said outer-wall segments with a rigid thermal insulating material; and casting a concrete body around said outer wall.

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Pressure-retentive vessel, e.g. for pressurized-fluid nuclear reactors

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