JP7256843B2 - マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 - Google Patents
マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 Download PDFInfo
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- JP7256843B2 JP7256843B2 JP2021093864A JP2021093864A JP7256843B2 JP 7256843 B2 JP7256843 B2 JP 7256843B2 JP 2021093864 A JP2021093864 A JP 2021093864A JP 2021093864 A JP2021093864 A JP 2021093864A JP 7256843 B2 JP7256843 B2 JP 7256843B2
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- 230000002265 prevention Effects 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000010992 reflux Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000010146 3D printing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- 238000003754 machining Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 102000005393 Sodium-Potassium-Exchanging ATPase Human genes 0.000 description 1
- 108010006431 Sodium-Potassium-Exchanging ATPase Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/243—Promoting flow of the coolant for liquids
- G21C15/247—Promoting flow of the coolant for liquids for liquid metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0021—No-moving-parts valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
- F16K99/0055—Operating means specially adapted for microvalves actuated by fluids
- F16K99/0057—Operating means specially adapted for microvalves actuated by fluids the fluid being the circulating fluid itself, e.g. check valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K2099/0073—Fabrication methods specifically adapted for microvalves
- F16K2099/0076—Fabrication methods specifically adapted for microvalves using electrical discharge machining [EDM], milling or drilling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K2099/0073—Fabrication methods specifically adapted for microvalves
- F16K2099/008—Multi-layer fabrications
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
20 熱交換器
30 炉心
40 電磁ポンプ
50 逆流低減管
52 入口
54 出口
56 管状部分
58 流体ダイオード部分
60 第2部分
62 第1部分
100 ローブ
Claims (14)
- 逆流低減管の製造方法であって、
管を3D印刷することを含み、前記管が、
少なくとも1つの管状部分であって、前記少なくとも1つの管状部分の長さに沿って均一な第1直径を有する少なくとも1つの管状部分と、
逆流を制限するように構成された少なくとも1つの流体ダイオード部分とを備え、
前記流体ダイオード部分が、
第1部分であって、前記第1部分の最大点において第2直径を有する第1部分と、
第2部分であって、前記第2部分の最大点において第3直径を有する第2部分とを含み、
前記第1部分は、前記第2部分と比べて、より前記管の入口に近く、その最も広い点において第1半径を有し、
前記第2部分が、その最も広い点において第2半径を有し、前記第1半径が、前記第2部分の前記第2半径の1.9~2.2倍であり、
前記第1部分および前記第2部分の断面が円錐台形である、製造方法。 - 前記少なくとも1つの管状部分および前記少なくとも1つの流体ダイオード部分は、3D印刷によって一体的に形成される、
請求項1に記載の製造方法。 - 前記第2直径が、前記第3直径および前記第1直径の各々よりも大きい、
請求項1に記載の製造方法。 - 前記少なくとも1つの流体ダイオード部分が第2長さを有し、前記第2部分が第3長さを有し、前記第2長さが前記第2部分の前記第3長さの1.9~2.2倍である、
請求項1に記載の製造方法。 - 前記少なくとも1つの流体ダイオード部分が第2長さを有し、前記第1部分が、その最も広い点において第1半径を有し、前記少なくとも1つの流体ダイオード部分の前記第2長さが、前記第1部分の前記第1半径の2.1~2.4倍である、
請求項1に記載の製造方法。 - 前記第1部分が、前記管の入口端部に近づくほど大きな直径を有し、前記管の出口端部に近づくほど小さな直径を有する、
請求項1に記載の製造方法。 - 前記第1部分および前記第2部分の各々が、前記管の入口端部に近づくほど大きな直径を有し、前記管の出口端部に近づくほど小さな直径を有し、前記第1部分が、ローブを含み、前記ローブの一部が、前記逆流低減管の長さに沿った前記少なくとも1つの管状部分の一部と重なり合う、
請求項1に記載の製造方法。 - 前記逆流低減管が、前記逆流低減管の長さに沿って複数の流体ダイオード部分を含む、
請求項1に記載の製造方法。 - 前記複数の流体ダイオード部分のうちの少なくとも1つが、前記逆流低減管の前記長さに沿って中心に配置されている、
請求項8に記載の製造方法。 - 前記複数の流体ダイオード部分の少なくとも1つが、前記管の前記入口に隣接して配置されている、
請求項8に記載の製造方法。 - 前記複数の流体ダイオード部分の少なくとも1つが、前記管の出口に隣接して配置されている、
請求項9に記載の製造方法。 - 前記逆流低減管が、複数の管状部分を含み、前記複数の管状部分のうち少なくとも1つが、前記複数の流体ダイオード部分のうち隣接する2つの間にある、
請求項9に記載の製造方法。 - 前記管の出口から前記管の前記入口への流れが、20psi~25psiの範囲の圧力降下を受ける、
請求項1に記載の製造方法。 - 前記管の前記入口から前記管の出口への流れが、5psi~8psiの範囲の圧力降下を受ける、
請求項1に記載の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/960,511 | 2015-12-07 | ||
US14/960,511 US10354763B2 (en) | 2015-12-07 | 2015-12-07 | Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system |
JP2018549132A JP6894448B2 (ja) | 2015-12-07 | 2016-12-05 | マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018549132A Division JP6894448B2 (ja) | 2015-12-07 | 2016-12-05 | マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 |
Publications (2)
Publication Number | Publication Date |
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JP2021144050A JP2021144050A (ja) | 2021-09-24 |
JP7256843B2 true JP7256843B2 (ja) | 2023-04-12 |
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JP2018549132A Active JP6894448B2 (ja) | 2015-12-07 | 2016-12-05 | マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 |
JP2021093864A Active JP7256843B2 (ja) | 2015-12-07 | 2021-06-03 | マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 |
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JP2018549132A Active JP6894448B2 (ja) | 2015-12-07 | 2016-12-05 | マルチループの金属冷却原子炉システムにおける逆流防止のための配管の改良 |
Country Status (6)
Country | Link |
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US (3) | US10354763B2 (ja) |
EP (1) | EP3387650B1 (ja) |
JP (2) | JP6894448B2 (ja) |
CA (1) | CA3007630C (ja) |
PL (1) | PL3387650T3 (ja) |
WO (1) | WO2017116618A2 (ja) |
Families Citing this family (5)
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US11049624B2 (en) | 2015-12-07 | 2021-06-29 | Ge-Hitachi Nuclear Energy Americas Llc | Nuclear reactor liquid metal coolant backflow control |
CA3044999C (en) * | 2018-06-04 | 2023-09-19 | Tbl Licensing Llc | Waterproof boot with internal convection system |
KR102620053B1 (ko) * | 2021-06-24 | 2024-01-02 | 한국원자력연구원 | 열교환기 및 이를 구비하는 원전 |
US11817761B2 (en) * | 2021-11-05 | 2023-11-14 | Hamilton Sundstrand Corporation | Aircraft electric motor |
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-
2015
- 2015-12-07 US US14/960,511 patent/US10354763B2/en active Active
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2016
- 2016-12-05 WO PCT/US2016/065015 patent/WO2017116618A2/en active Application Filing
- 2016-12-05 CA CA3007630A patent/CA3007630C/en active Active
- 2016-12-05 PL PL16874096T patent/PL3387650T3/pl unknown
- 2016-12-05 JP JP2018549132A patent/JP6894448B2/ja active Active
- 2016-12-05 EP EP16874096.7A patent/EP3387650B1/en active Active
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2019
- 2019-07-10 US US16/507,659 patent/US11978565B2/en active Active
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2021
- 2021-06-03 JP JP2021093864A patent/JP7256843B2/ja active Active
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2024
- 2024-04-10 US US18/631,704 patent/US20240274305A1/en active Pending
Also Published As
Publication number | Publication date |
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US20190333652A1 (en) | 2019-10-31 |
WO2017116618A2 (en) | 2017-07-06 |
JP2019502136A (ja) | 2019-01-24 |
CA3007630C (en) | 2020-09-22 |
CA3007630A1 (en) | 2017-07-06 |
US10354763B2 (en) | 2019-07-16 |
WO2017116618A3 (en) | 2017-11-02 |
JP6894448B2 (ja) | 2021-06-30 |
US20170162280A1 (en) | 2017-06-08 |
EP3387650A2 (en) | 2018-10-17 |
JP2021144050A (ja) | 2021-09-24 |
US20240274305A1 (en) | 2024-08-15 |
PL3387650T3 (pl) | 2020-12-28 |
US11978565B2 (en) | 2024-05-07 |
EP3387650B1 (en) | 2020-05-27 |
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