CN205582504U - Reactor pressure vessel's shell structure - Google Patents
Reactor pressure vessel's shell structure Download PDFInfo
- Publication number
- CN205582504U CN205582504U CN201620409811.1U CN201620409811U CN205582504U CN 205582504 U CN205582504 U CN 205582504U CN 201620409811 U CN201620409811 U CN 201620409811U CN 205582504 U CN205582504 U CN 205582504U
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- China
- Prior art keywords
- pressure vessel
- shell structure
- reactor pressure
- nozzle belt
- adapter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a reactor pressure vessel's shell structure, this structure is by the fashioned integrative piece of electric smelting vibration material disk technology, include that the outside of taking over section portion (2) is provided with takeover portion (6) along vessel flange portion (1), takeover section portion (2), reactor core barrel portion (3), changeover portion portion (4) and low head portion (5) that the from the top down direction set gradually. The beneficial effects of the utility model are that: eliminated the welding seam, structural integrity is good, the structure continuity is good, and mechanical properties is better, the material of construction performance is even, and especially thickness orientation characteristic of materials does not have difference, based on electric smelting vibration material disk technology, manufacturing cycle shortens by a wide margin.
Description
Technical field
This utility model relates to reactor vessel structure-design technique field, in particular it relates to increase the shell structure of the reactor pressure vessel of material manufacturing technology based on electric smelting.
Background technology
In the design of existing reactor pressure vessel, Component-Based Development uses forging manufacturing technology, shell is divided into vessel flange, nozzle belt, adapter, reactor core cylinder, changeover portion and the structure of low head, vessel flange, nozzle belt, reactor core cylinder, changeover portion and low head use full penetration weld to be attached.Meanwhile, adapter uses plug-in type weld seam to be connected with nozzle belt.
Electric smelting increases material manufacturing technology and belongs to the one of 3D printing technique, is that a kind of novel material occurred in recent years manufactures forming technique.The material that this technology obtains has that labyrinth integration is good, excellent material performance, uniformly, without plurality of advantages such as dimensional effect, yield rate height and manufacturing cycle are short, the deficiency of Forging Technology can be made up.Electric smelting increases material manufacturing technology with special steel wire material/powder and the auxiliary material of special metallurgy as raw material, melted by the efficient in-situ metallurgical of heavy current, successively pile up the manufacture realizing high-performance heavy duty metal component, break through the constraint that traditional manufacturing technology is limited by scantling, thus break through the manufacture bottleneck of Forging Technology.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structural integrity is good, the shell structure of the uniform reactor pressure vessel of structural material performance.
The technical scheme in the invention for solving the above technical problem is:
A kind of shell structure of reactor pressure vessel, this structure is to be increased the integral piece of manufacture process molding by electric smelting, including along the vessel flange portion that direction sets gradually from top to bottom, nozzle belt portion, reactor core tube body, changeover portion portion and low head portion, the outside in nozzle belt portion is provided with adapter portion, vessel flange portion, nozzle belt portion and reactor core tube body are the tubular of both ends open, reactor core tube body is connected by changeover portion portion for blocking the low head portion of reactor core tube body under shed, there is inside adapter portion through through hole, this through hole also extends through nozzle belt portion, thus the inner space in the interior bone communication nipple section portion in adapter portion.
This utility model is to increase material manufacturing technology based on electric smelting, shell is designed as overall structure, i.e. cancel vessel flange, nozzle belt, reactor core cylinder, changeover portion and the full penetration weld of low head, cancel the plug-in type weld seam of adapter and nozzle belt, material manufacturing technology is increased based on electric smelting, by vessel flange portion, nozzle belt portion, adapter portion, reactor core tube body, changeover portion portion, the integrative-structure that low head portion is constituted successively piles up molding, obtain the shell of integration, include the vessel flange in existing design, nozzle belt, reactor core cylinder, changeover portion, low head and joint pipe structure, but without vessel flange, nozzle belt, reactor core cylinder, changeover portion, low head and the division of each individual member of adapter, whole shell is a component.Vessel flange portion, nozzle belt portion, reactor core tube body, changeover portion portion and low head portion are smooth connection between each adjacent part.
Further, described adapter portion is Straight or elbow-shaped.
Further, described adapter portion is arranged along the normal in nozzle belt portion.
Further, between described adapter portion and the normal in nozzle belt portion, there is angle.
Further, described nozzle belt portion is circumferentially provided with multiple adapter portion.
Further, described low head portion is ball-type, spheroid shape or plate.
Further, the upper end in described vessel flange portion is provided with recessed seam.
To sum up, the beneficial effects of the utility model are:
This utility model is the integrated container cylinder increasing material manufacturing technology based on electric smelting, and the shell of the most existing reactor pressure vessel has a characteristic that
1, eliminating weld seam, structural integrity is good；
2, structural continuity is good, and mechanical property is more preferable；
3, structural material performance is uniform, particularly thickness direction material property zero difference；
4, increasing manufacture process based on electric smelting, the manufacturing cycle is greatly shortened.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the shell structure of a kind of reactor pressure vessel of this utility model.
Labelling and corresponding parts title in accompanying drawing:
1-vessel flange portion, 2-nozzle belt portion, 3-reactor core tube body, 4-changeover portion portion, 5-low head portion, 6-adapter portion.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is made detailed description further, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of shell structure of reactor pressure vessel, this structure is to be increased the integral piece of manufacture process molding by electric smelting, including along the vessel flange portion 1 that direction sets gradually from top to bottom, nozzle belt portion 2, reactor core tube body 3, changeover portion portion 4 and low head portion 5, the outside in nozzle belt portion 2 is provided with adapter portion 6, vessel flange portion 1, nozzle belt portion 2 and reactor core tube body 3 are the tubular of both ends open, reactor core tube body 3 is connected by changeover portion portion 4 for blocking the low head portion 5 of reactor core tube body 3 under shed, adapter portion 6 is internal has through through hole, this through hole also extends through nozzle belt portion 2, thus the inner space in the interior bone communication nipple section portion 2 in adapter portion 6.
This utility model is to increase material manufacturing technology based on electric smelting, shell is designed as overall structure, i.e. cancel vessel flange, nozzle belt, reactor core cylinder, changeover portion and the full penetration weld of low head, cancel the plug-in type weld seam of adapter and nozzle belt, material manufacturing technology is increased based on electric smelting, by vessel flange portion 1, nozzle belt portion 2, adapter portion 6, reactor core tube body 3, changeover portion portion 4, the integrative-structure that low head portion 5 is constituted successively piles up molding, obtain the shell of integration, include the vessel flange in existing design, nozzle belt, reactor core cylinder, changeover portion, low head and joint pipe structure, but without vessel flange, nozzle belt, reactor core cylinder, changeover portion, low head and the division of each individual member of adapter, whole shell is a component.Vessel flange portion 1, nozzle belt portion 2, reactor core tube body 3, changeover portion portion 4 and low head portion 5 are smooth connection between each adjacent part.
Embodiment 2:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, adapter portion 6 is Straight or elbow-shaped.
Embodiment 3:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, adapter portion 6 is arranged along the normal in nozzle belt portion 2.
Embodiment 4:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, between the normal in adapter portion 6 and nozzle belt portion 2, there is angle.
Embodiment 5:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, nozzle belt portion 2 is circumferentially provided with multiple adapter portion 6.
Embodiment 6:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, low head portion 5 is ball-type, spheroid shape or plate.
Embodiment 7:
As it is shown in figure 1, the shell structure of a kind of reactor pressure vessel, on the basis of embodiment 1, the upper end in vessel flange portion 1 is provided with recessed seam.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (7)
1. the shell structure of a reactor pressure vessel, it is characterized in that, this structure is to be increased the integral piece of manufacture process molding by electric smelting, including along the vessel flange portion (1) that direction sets gradually from top to bottom, nozzle belt portion (2), reactor core tube body (3), changeover portion portion (4) and low head portion (5), the outside in nozzle belt portion (2) is provided with adapter portion (6), vessel flange portion (1), nozzle belt portion (2) and reactor core tube body (3) are the tubular of both ends open, reactor core tube body (3) is connected by changeover portion portion (4) for blocking the low head portion (5) of reactor core tube body (3) under shed, adapter portion (6) is internal has through through hole, this through hole also extends through nozzle belt portion (2).
The shell structure of a kind of reactor pressure vessel the most according to claim 1, it is characterised in that described adapter portion (6) is Straight or elbow-shaped.
The shell structure of a kind of reactor pressure vessel the most according to claim 1 and 2, it is characterised in that described adapter portion (6) is arranged along the normal of nozzle belt portion (2).
The shell structure of a kind of reactor pressure vessel the most according to claim 1 and 2, it is characterised in that between described adapter portion (6) and the normal of nozzle belt portion (2), there is angle.
The shell structure of a kind of reactor pressure vessel the most according to claim 1 and 2, it is characterised in that described nozzle belt portion (2) is circumferentially provided with multiple adapter portion (6).
The shell structure of a kind of reactor pressure vessel the most according to claim 1, it is characterised in that described low head portion (5) is ball-type, spheroid shape or plate.
The shell structure of a kind of reactor pressure vessel the most according to claim 1, it is characterised in that the upper end in described vessel flange portion (1) is provided with recessed seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409811.1U CN205582504U (en) | 2016-05-09 | 2016-05-09 | Reactor pressure vessel's shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409811.1U CN205582504U (en) | 2016-05-09 | 2016-05-09 | Reactor pressure vessel's shell structure |
Publications (1)
| Publication Number | Publication Date |
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| CN205582504U true CN205582504U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620409811.1U Active CN205582504U (en) | 2016-05-09 | 2016-05-09 | Reactor pressure vessel's shell structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356107A (en) * | 2016-11-11 | 2017-01-25 | 上海核工程研究设计院 | Additively manufactured spent fuel storage grillage |
| CN112424875A (en) * | 2018-06-21 | 2021-02-26 | 博沃艾特核能公司 | Universal inverted reactor and method for design and manufacture of universal inverted reactor |
| CN108962412B (en) * | 2018-07-27 | 2021-03-26 | 中国核动力研究设计院 | Forming method of integral guide cylinder of in-pile component |
| CN115574167A (en) * | 2022-09-22 | 2023-01-06 | 中国核动力研究设计院 | Large-scale high-pressure-bearing transparent container |
-
2016
- 2016-05-09 CN CN201620409811.1U patent/CN205582504U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356107A (en) * | 2016-11-11 | 2017-01-25 | 上海核工程研究设计院 | Additively manufactured spent fuel storage grillage |
| CN112424875A (en) * | 2018-06-21 | 2021-02-26 | 博沃艾特核能公司 | Universal inverted reactor and method for design and manufacture of universal inverted reactor |
| CN108962412B (en) * | 2018-07-27 | 2021-03-26 | 中国核动力研究设计院 | Forming method of integral guide cylinder of in-pile component |
| CN115574167A (en) * | 2022-09-22 | 2023-01-06 | 中国核动力研究设计院 | Large-scale high-pressure-bearing transparent container |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |