JP2016180725A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2016180725A5 JP2016180725A5 JP2015062048A JP2015062048A JP2016180725A5 JP 2016180725 A5 JP2016180725 A5 JP 2016180725A5 JP 2015062048 A JP2015062048 A JP 2015062048A JP 2015062048 A JP2015062048 A JP 2015062048A JP 2016180725 A5 JP2016180725 A5 JP 2016180725A5
- Authority
- JP
- Japan
- Prior art keywords
- branch
- reactor
- boiling water
- purge water
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 49
- 238000010926 purge Methods 0.000 claims 28
- 238000009835 boiling Methods 0.000 claims 21
- 238000011144 upstream manufacturing Methods 0.000 claims 6
- 239000002826 coolant Substances 0.000 claims 3
- 230000002093 peripheral Effects 0.000 claims 2
Claims (14)
前記インターナルポンプへパージ水を供給するパージ水供給源と、を備え、
前記各インターナルポンプは分岐部を介して前記パージ水供給源と分岐配管にて接続され、各インターナルポンプと接続される分岐配管の長さは同一であることを特徴とする改良型沸騰水型原子炉。 A plurality of internal pumps, a part of which is arranged in the reactor pressure vessel and circulating the coolant in the reactor pressure vessel;
A purge water supply source for supplying purge water to the internal pump,
Each of the internal pumps is connected to the purge water supply source by a branch pipe through a branch portion, and the length of the branch pipe connected to each internal pump is the same. Type reactor.
前記各インターナルポンプと前記パージ水供給源との間に、多段に配される複数の分岐部を有し、
前記各段に配される分岐部より二方向に分岐する第１の分岐配管及び第２の分岐配管の長さが同一であることを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 1,
Between each internal pump and the purge water supply source, having a plurality of branch portions arranged in multiple stages,
An improved boiling water reactor characterized in that the lengths of the first branch pipe and the second branch pipe branching in two directions from the branch portion arranged in each stage are the same.
前記多段に配される分岐部のうち、最終段に配される分岐部よりそれぞれ二方向に分岐する分岐配管の端部は、前記各インターナルポンプのパージ水ノズルに接続され、
初段に配される分岐部から前記最終段に配される分岐部及び前記分岐配管を介して前記各インターナルポンプのパージ水ノズルへ至る配管長が同一であることを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 2,
Of the branch portions arranged in multiple stages, the ends of the branch pipes branching in two directions from the branch portions arranged in the final stage are connected to the purge water nozzles of the internal pumps,
Improved boiling water, characterized in that the length of the pipe from the branch section arranged in the first stage to the purge water nozzle of each internal pump through the branch section arranged in the last stage and the branch pipe is the same Type reactor.
前記多段に配される複数の分岐部の段数は、前記インターナルポンプの台数に応じて設定されることを特徴とする改良型沸騰水型原子炉。 In the improved boiling water reactor according to claim 3,
The number of stages of the plurality of branch portions arranged in multiple stages is set in accordance with the number of the internal pumps.
前記インターナルポンプは、少なくとも、ポンプシャフトの回転に伴い回転するインペラと、固定翼であるディフューザと、前記ポンプシャフトに回転駆動力を伝達するモータと、前記モータを水密に収容するモータケーシングを備え、
前記パージ水ノズルは、前記モータケーシングの上部であって、原子炉圧力容器外に設けられ、
前記パージ水ノズルより流入するパージ水は、前記ポンプシャフトとモータケーシングの間隙をディフューザ側へと流れ、前記ディフューザの下部近傍にて、前記原子炉圧力容器内へ流出することを特徴とする改良型沸騰水型原子炉。 In the improved boiling water reactor according to claim 4,
The internal pump includes at least an impeller that rotates as the pump shaft rotates, a diffuser that is a fixed blade, a motor that transmits rotational driving force to the pump shaft, and a motor casing that houses the motor in a watertight manner. ,
The purge water nozzle is a top of the motor casing is provided outside the nuclear reactor pressure vessel,
Purge water flowing from the purge water nozzle is improved, characterized in that the gaps of the pump shaft and the motor casing flows to de Ifuyuza side, at the bottom near the diffuser, it flows into the reactor pressure vessel Type boiling water reactor.
前記インターナルポンプへパージ水を供給するパージ水供給源と、
前記パージ水供給源と接続される第１の配管と、
前記第１の配管に所定の間隔にて配される複数の分岐部に接続される分岐配管と、を備え、
前記複数の分岐配管のうち、上流側の分岐配管は前記パージ水供給源に接続され、前記インターナルポンプは下流側の分岐配管に接続されることを特徴とする改良型沸騰水型原子炉。 A plurality of internal pumps, a part of which is arranged in the reactor pressure vessel and circulating the coolant in the reactor pressure vessel;
A purge water supply source for supplying purge water to the internal pump;
A first pipe connected to the purge water supply source;
A branch pipe connected to a plurality of branch portions arranged at a predetermined interval in the first pipe, and
Among the plurality of branch pipes, an upstream branch pipe is connected to the purge water supply source, and the internal pump is connected to a downstream branch pipe.
前記上流側に配される分岐配管に設けられる三方弁と、
一端が前記三方弁に接続され、他端が前記パージ水供給源に接続される返送配管と、を備え、
前記上流側に配される分岐配管に流入するパージ水を、前記三方弁及び返送配管を介して前記パージ水供給源へ返送することを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 6,
A three-way valve provided in a branch pipe arranged on the upstream side;
A return pipe having one end connected to the three-way valve and the other end connected to the purge water supply source,
An improved boiling water reactor, wherein purge water flowing into a branch pipe arranged on the upstream side is returned to the purge water supply source via the three-way valve and a return pipe.
前記下流側に配される分岐配管は、前記インターナルポンプのパージ水ノズルに接続されることを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 7,
The improved boiling water nuclear reactor is characterized in that the branch pipe arranged on the downstream side is connected to a purge water nozzle of the internal pump.
前記インターナルポンプは、少なくとも、ポンプシャフトの回転に伴い回転するインペラと、固定翼であるディフューザと、前記ポンプシャフトに回転駆動力を伝達するモータと、前記モータを水密に収容するモータケーシングを備え、
前記パージ水ノズルは、前記モータケーシングの上部であって、原子炉圧力容器外に設けられ、
前記パージ水ノズルより流入するパージ水は、前記ポンプシャフトとモータケーシングの間隙をディフューザ側へと流れ、前記ディフューザの下部近傍にて、前記原子炉圧力容器内へ流出することを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 8,
The internal pump includes at least an impeller that rotates as the pump shaft rotates, a diffuser that is a fixed blade, a motor that transmits rotational driving force to the pump shaft, and a motor casing that houses the motor in a watertight manner. ,
The purge water nozzle is a top of the motor casing is provided outside the nuclear reactor pressure vessel,
Purge water flowing from the purge water nozzle is improved, characterized in that the gaps of the pump shaft and the motor casing flows to de Ifuyuza side, at the bottom near the diffuser, it flows into the reactor pressure vessel Type boiling water reactor.
前記インターナルポンプへパージ水を供給するパージ水供給源と、
前記パージ水供給源と接続される第１の配管と、
前記第１の配管に所定の間隔にて配される複数の分岐部に接続される分岐配管と、を備え、
前記各インターナルポンプは、前記各分岐配管及び第１の配管を介して、前記パージ水供給源に接続され、前記各分岐配管の流路抵抗は相互に異なることを特徴とする改良型沸騰水型原子炉。 A plurality of internal pumps, a part of which is arranged in the reactor pressure vessel and circulating the coolant in the reactor pressure vessel;
A purge water supply source for supplying purge water to the internal pump;
A first pipe connected to the purge water supply source;
A branch pipe connected to a plurality of branch portions arranged at a predetermined interval in the first pipe, and
Each of the internal pumps is connected to the purge water supply source via each of the branch pipes and the first pipe, and the flow resistances of the branch pipes are different from each other. Type reactor.
前記各分岐配管は、流路抵抗部材と、前記流路抵抗部材の外周面と前記分岐配管の内周面とを接続し前記流路抵抗部材を支持する支持部材を有し、
前記第１の配管に接続される各分岐配管の流路抵抗は、上流側ほど大きいことを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 10,
Each of the branch pipes includes a flow path resistance member, a support member that supports the flow path resistance member by connecting an outer peripheral surface of the flow path resistance member and an inner peripheral surface of the branch pipe,
An improved boiling water reactor characterized in that the flow resistance of each branch pipe connected to the first pipe is larger toward the upstream side.
前記第１の配管に分岐部を介して接続される分岐配管の配管径は、上流側に配される分岐配管ほど小さいことを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 10,
An improved boiling water reactor characterized in that a branch pipe connected to the first pipe via a branch portion has a smaller pipe diameter as the branch pipe arranged on the upstream side.
前記第１の配管に接続される各分岐配管内に設けられる前記流路抵抗部材の最大横断面積は、上流側ほど大きいことを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 11,
The improved boiling water nuclear reactor, wherein the maximum cross-sectional area of the flow path resistance member provided in each branch pipe connected to the first pipe is larger toward the upstream side.
前記各分岐配管は、前記各インターナルポンプのパージ水ノズルに接続され、
前記インターナルポンプは、少なくとも、ポンプシャフトの回転に伴い回転するインペラと、固定翼であるディフューザと、前記ポンプシャフトに回転駆動力を伝達するモータと、前記モータを水密に収容するモータケーシングを備え、
前記パージ水ノズルは、前記モータケーシングの上部であって、原子炉圧力容器外に設けられ、
前記パージ水ノズルより流入するパージ水は、前記ポンプシャフトとモータケーシングの間隙をディフューザ側へと流れ、前記ディフューザの下部近傍にて、前記原子炉圧力容器内へ流出することを特徴とする改良型沸騰水型原子炉。 The improved boiling water reactor according to claim 13,
Each branch pipe is connected to a purge water nozzle of each internal pump,
The internal pump includes at least an impeller that rotates as the pump shaft rotates, a diffuser that is a fixed blade, a motor that transmits rotational driving force to the pump shaft, and a motor casing that houses the motor in a watertight manner. ,
The purge water nozzle is a top of the motor casing is provided outside the nuclear reactor pressure vessel,
Purge water flowing from the purge water nozzle is improved, characterized in that the gaps of the pump shaft and the motor casing flows to de Ifuyuza side, at the bottom near the diffuser, it flows into the reactor pressure vessel Type boiling water reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015062048A JP6272794B2 (en) | 2015-03-25 | 2015-03-25 | Improved boiling water reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015062048A JP6272794B2 (en) | 2015-03-25 | 2015-03-25 | Improved boiling water reactor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016180725A JP2016180725A (en) | 2016-10-13 |
| JP2016180725A5 true JP2016180725A5 (en) | 2017-03-23 |
| JP6272794B2 JP6272794B2 (en) | 2018-01-31 |
Family
ID=57131647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015062048A Active JP6272794B2 (en) | 2015-03-25 | 2015-03-25 | Improved boiling water reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6272794B2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60209691A (en) * | 1984-04-04 | 1985-10-22 | Toshiba Corp | Internal pump |
| JPS62287192A (en) * | 1986-06-05 | 1987-12-14 | 株式会社東芝 | Purge water feeder for nuclear reactor inside circulating pump |
| US5493591A (en) * | 1994-10-24 | 1996-02-20 | Hitachi, Ltd. | Internal pump for nuclear reactors |
| JP4556849B2 (en) * | 2005-11-14 | 2010-10-06 | 株式会社日立プラントテクノロジー | Microreactor system |
| JP5230396B2 (en) * | 2008-12-18 | 2013-07-10 | 三菱重工業株式会社 | Piping structure of boiler device and the boiler device |
-
2015
- 2015-03-25 JP JP2015062048A patent/JP6272794B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2014040999A5 (en) | ||
| JP2017002919A5 (en) | ||
| RU2015101349A (en) | PLANT FOR TRANSFORMING A FLUID FLOW TO ENERGY | |
| JP2013231576A5 (en) | ||
| JP2015094293A5 (en) | ||
| MX2016013665A (en) | Pump drive unit for conveying a process fluid. | |
| JP2010107186A5 (en) | ||
| ATE516184T1 (en) | HYDRODYNAMIC RETARDER | |
| HRP20210884T1 (en) | Rotational absorber device and method for scrubbing an absorbate from a gas | |
| RU2017133096A (en) | CENTRIFUGAL PUMP FOR MOVING A FLUID | |
| JP2010169386A5 (en) | ||
| JP2013181746A5 (en) | ||
| RU2013102629A (en) | MIXER FOR TURBO INSTALLATION AND TURBO INSTALLATION (OPTIONS) | |
| EP2495448A3 (en) | Flow guiding device for a pump and pump | |
| RU2015150979A (en) | DEVICE FOR RINSING TURBO MACHINE AIR INTAKE HOUSING | |
| JP2015227544A5 (en) | ||
| JP2013204550A5 (en) | ||
| JP2016075184A5 (en) | ||
| JP2016180725A5 (en) | ||
| JP2016108964A5 (en) | ||
| RU2016117848A (en) | AERATION SYSTEM FOR HYDRAULIC TURBINE | |
| MX2018008501A (en) | Device for measuring the flow rate of a fluid in a conduit. | |
| CN103228908A (en) | Francis-type pump for hydroelectric power plant | |
| NO20170558A1 (en) | Pump | |
| WO2014122612A3 (en) | Water turbine with reaction-type rotor |