JPH09329689A - Purification and cooling equipment for spent fuel storage pool - Google Patents
Purification and cooling equipment for spent fuel storage poolInfo
- Publication number
- JPH09329689A JPH09329689A JP8149018A JP14901896A JPH09329689A JP H09329689 A JPH09329689 A JP H09329689A JP 8149018 A JP8149018 A JP 8149018A JP 14901896 A JP14901896 A JP 14901896A JP H09329689 A JPH09329689 A JP H09329689A
- Authority
- JP
- Japan
- Prior art keywords
- pool
- spent fuel
- purification
- cooling
- pressure suppression
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
(57)【要約】
【課題】運転モードを単純化し、運転モードの切替をシ
ンプルで操作性が良い使用済燃料プール浄化冷却設備を
提供する。
【解決手段】使用済燃料プール９から溢れたプール水を
浄化冷却し、再び前記使用済燃料プールに戻す使用済燃
料貯蔵プールの浄化冷却系と、圧力抑制室プール６の水
を前記使用済燃料貯蔵プールの浄化冷却系のろ過脱塩装
置４を介して浄化し、再び圧力抑制室プールに戻す圧力
抑制室プール水浄化系とを備え、前記使用済燃料貯蔵プ
ールの浄化冷却系のろ過脱塩装置４および循環ポンプ３
が複数列系に形成されている使用済燃料貯蔵プールの浄
化冷却設備において、前記複数系列に形成されている使
用済燃料プール浄化冷却設備の循環ポンプ３を、夫々原
子炉建屋の圧力抑制室プールの水面より低い位置に設置
するとともに、この夫々の循環ポンプ３の入口に、夫々
前記圧力抑制室と連絡する連絡ライン１５を設け、かつ
この夫々の連絡ラインが、前記使用済燃料貯蔵プールの
浄化冷却系が運転されていない系列に連通するように形
成した。
(57) [Abstract] [PROBLEMS] To provide a spent fuel pool purifying and cooling facility that simplifies an operation mode, has a simple operation mode switching, and has good operability. SOLUTION: The pool water that overflows from the spent fuel pool 9 is purified and cooled, and is returned to the spent fuel pool again. The purified cooling system of the spent fuel storage pool and the water in the pressure suppression chamber pool 6 are used as the spent fuel. Purification of the storage pool Purification via the filtration / desalination device 4 of the cooling system, and a pressure suppression chamber pool water purification system for returning to the pressure suppression chamber pool again, and filtration desalination of the purification cooling system of the spent fuel storage pool Device 4 and circulation pump 3
In the purification / cooling system for a spent fuel storage pool having a plurality of rows, the circulation pumps 3 of the spent fuel pool purification / cooling system formed in the plurality of series are respectively connected to the pressure suppression chamber pool of the reactor building. Is installed at a position lower than the water surface, and a communication line 15 for communicating with the pressure suppression chamber is provided at the inlet of each circulation pump 3, and each communication line purifies the spent fuel storage pool. The cooling system was formed so as to communicate with the non-operating series.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば沸騰水型原
子力プラントなどに採用されている使用済燃料プールの
浄化冷却設備の改良に係り、特に圧力制御室プール水の
浄化および浄化した圧力抑制室プール水を原子力ウェル
の水張り水として利用するように形成されている使用済
燃料プールの浄化冷却設備に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of a purification and cooling facility for a spent fuel pool, which is used in, for example, a boiling water nuclear power plant, and more particularly to purification of a pressure control chamber pool water and a purified pressure suppression chamber. The present invention relates to a purification / cooling facility for a spent fuel pool, which is formed so as to use pool water as flood water for nuclear wells.
【０００２】[0002]
【従来の技術】従来一般に採用されているこの種の使用
済燃料プールの浄化冷却設備は、例えば特開昭５７−１
５３３００号公報また図２にも示されているように、使
用済燃料プール１に対して使用済燃料貯蔵プールの浄化
冷却系をなしているろ過脱塩装置４や熱交換器５を備
え、これらを介してプール水が循環するように形成され
ている。すなわち、使用済燃料プール１からスキマサー
ジタンク２に溢れたプール水は、使用済燃料プール浄化
冷却ポンプ３で昇圧され、ろ過脱塩装置４で浄化された
後、熱交換器５を経由して再び使用済燃料プール１に戻
る閉ループ中を流通するように形成されている。2. Description of the Related Art Conventionally used cleaning and cooling equipment for spent fuel pools of this kind is disclosed in, for example, JP-A-57-1.
As shown in FIG. 2 and FIG. 2, the spent fuel pool 1 is provided with a filter desalination device 4 and a heat exchanger 5 that form a purification cooling system of the spent fuel storage pool. Pool water is formed to circulate through. That is, the pool water overflowed from the spent fuel pool 1 to the skimmer surge tank 2 is pressurized by the spent fuel pool purification cooling pump 3, purified by the filter desalting device 4, and then passed through the heat exchanger 5. It is formed so as to flow in a closed loop that returns to the spent fuel pool 1 again.
【０００３】一方、この使用済燃料プール浄化冷却設備
を使用した圧力抑制室プール水の浄化系としては、例え
ば特開昭５３−６４１８９号公報（トーラス浄化系）、
特開昭５４−８４１９６号公報あるいは特開昭５８−２
８６９８号公報に開示されているものがあり、現在の沸
騰水型原子力プラントの圧力抑制室プール水浄化設備を
構成している。On the other hand, as a purification system for pressure suppression chamber pool water using this spent fuel pool purification cooling equipment, for example, JP-A-53-64189 (torus purification system),
JP-A-54-84196 or JP-A-58-2
There is one disclosed in Japanese Unexamined Patent Publication No. 8698, which constitutes pool water purification equipment for a pressure suppression chamber of a current boiling water nuclear power plant.
【０００４】すなわち、図３にその基本的構成が示され
ているように、圧力抑制室プール水浄化設備は、圧力抑
制室６および圧力抑制室プール水浄化ポンプ７を備え、
そして圧力抑制室６のプール水は、圧力抑制室プール水
浄化ポンプ７で昇圧され、使用済燃料プール浄化冷却設
備のろ過脱塩装置４で浄化された後、圧力制御室６へ戻
る閉ループ内を流通するように形成されている。尚この
場合、浄化した圧力抑制室６のプール水は原子炉ウェル
水張りライン８を経由して原子炉ウェル９へ移送される
ように構成されている。That is, as its basic configuration is shown in FIG. 3, the pressure suppression chamber pool water purification equipment comprises a pressure suppression chamber 6 and a pressure suppression chamber pool water purification pump 7.
Then, the pool water in the pressure suppression chamber 6 is pressurized by the pressure suppression chamber pool water purification pump 7, purified by the filter desalting device 4 of the spent fuel pool purification cooling facility, and then returned to the pressure control chamber 6 in the closed loop. It is designed to be distributed. In this case, the purified pool water in the pressure suppression chamber 6 is transferred to the reactor well 9 via the reactor well water filling line 8.
【０００５】[0005]
【発明が解決しようとする課題】このように従来採用さ
れている使用済燃料プールの浄化冷却設備は、ろ過脱塩
装置と熱交換器とが各々直列に２系統で構成されてお
り、ろ過脱塩装置の隔離とそのバイパス経路の構成と熱
交換器の選択制御とを最小限の自動弁の操作で可能にす
るとともに、シンプルな系統構成となるように形成され
ている。また、圧力抑制室プール水浄化系は、使用済燃
料プール浄化冷却設備のろ過脱塩装置を有効に利用する
とともに、圧力抑制室プール水の浄化を行なう構成とし
て考えられたものである。As described above, in the purification and cooling equipment for the spent fuel pool that has been conventionally used, the filtration and desalination device and the heat exchanger are each constituted by two systems in series. The salt system is isolated, the bypass path is configured, and the heat exchanger is selectively controlled with a minimum number of automatic valve operations, and the system has a simple system configuration. Further, the pressure suppression chamber pool water purification system is conceived as a configuration that effectively utilizes the filter desalination device of the spent fuel pool purification cooling facility and purifies the pressure suppression chamber pool water.
【０００６】しかし、この圧力制御室プール水浄化系の
設備は、一般には周囲条件の関係から使用済燃料プール
浄化冷却系の系統構成および配置条件を変更しないこと
を前提として構成されているため、循環ポンプ、流量計
およびその他の補機類は、個々に設けられており、ま
た、使用済燃料プール浄化冷却設備と圧力抑制室プール
水浄化設備は、使用済燃料プール浄化冷却設備のろ過脱
塩装置出入口で取り合うように構成されていることか
ら、ろ過脱塩装置の運転モードの切替および運転するポ
ンプの選択他の操作が必要となり、これらに多くの神経
が費やされ、運転員の負担となっていた。However, the equipment of the pressure control room pool water purification system is generally constructed on the premise that the system configuration and arrangement conditions of the spent fuel pool purification cooling system are not changed due to the relation of ambient conditions. Circulation pumps, flow meters and other auxiliary equipment are provided individually, and spent fuel pool purification cooling equipment and pressure suppression chamber pool water purification equipment are used for filter desalination of spent fuel pool purification cooling equipment. Since it is configured to meet at the entrance and exit of the equipment, it is necessary to switch the operation mode of the filtration and desalination equipment and select other pumps to operate, which requires a lot of nerves and burdens the operator. Was becoming.
【０００７】本発明はこれに鑑みなされたもので、その
目的とするところは、運転モードを単純化し、運転モー
ドの切替がシンプルで操作性が良い使用済燃料プール浄
化冷却設備を提供するにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a spent fuel pool purification / cooling facility which simplifies the operation mode, has a simple operation mode switching, and has good operability. .
【０００８】[0008]
【課題を解決するための手段】すなわち本発明は、使用
済燃料プールから溢れたプール水を浄化冷却し、再び前
記使用済燃料プールに戻す使用済燃料貯蔵プールの浄化
冷却系と、圧力抑制室プールの水を前記使用済燃料貯蔵
プールの浄化冷却系のろ過脱塩装置を介して浄化し、再
び圧力抑制室プールに戻す圧力抑制室プール水浄化系と
を備え、前記使用済燃料貯蔵プールの浄化冷却系のろ過
脱塩装置および循環ポンプが複数列系，（例えば２列
系）に形成されている使用済燃料貯蔵プールの浄化冷却
設備において、前記複数系列に形成されている使用済燃
料プール浄化冷却設備の循環ポンプを、夫々原子炉建屋
の圧力抑制室プールの水面より低い位置に設置するとと
もに、この夫々の循環ポンプの入口に、夫々前記圧力抑
制室と連絡する連絡ラインを設け、かつこの夫々の連絡
ラインが、前記使用済燃料貯蔵プールの浄化冷却系が運
転されていない系列に連通するように形成し所期の目的
を達成するようにしたものである。That is, the present invention is directed to a purification cooling system for a spent fuel storage pool for purifying and cooling pool water overflowing from the spent fuel pool and returning it to the spent fuel pool, and a pressure suppression chamber. A pool of water for purifying the spent fuel storage pool, which is purified through a purification desalination device of a cooling system of the spent fuel storage pool and is returned to the pressure suppression chamber pool again, is provided with In the purification and cooling equipment of a spent fuel storage pool in which the purification desalination device and the circulation pump of the purification cooling system are formed in a plurality of rows system (for example, two rows system), the spent fuel pool formed in the plurality of series The circulation pumps of the purification cooling equipment will be installed at positions lower than the water level of the pools of the pressure suppression chambers of the reactor building, and at the inlets of the respective circulation pumps, communication will be made to communicate with the pressure suppression chambers. In-provided, and contact lines of the respective can, in which the spent fuel clean the cooling system of the storage pool is formed so as to communicate with the sequence that is not operated so as to achieve the intended purpose.
【０００９】また、この場合前記循環ポンプの入口と圧
力抑制室とを連絡する連絡ラインに、夫々弁を設け、こ
の弁の作動により前記使用済燃料貯蔵プールの浄化冷却
系の運転されていない系列に連通するように形成したも
のである。また、前記使用済燃料プール浄化冷却系の循
環ポンプに、前記圧力抑制室プール水浄化のための圧力
抑制室プール水循環機能を持たせるようにしたものであ
る。In this case, a valve is provided on each of the communication lines that connect the inlet of the circulation pump and the pressure suppression chamber, and the purification cooling system of the spent fuel storage pool is not operated by the operation of the valves. It is formed so as to communicate with. Further, the circulation pump of the spent fuel pool purification cooling system is provided with a pressure suppression chamber pool water circulation function for purifying the pressure suppression chamber pool water.
【００１０】すなわちこのように形成されている使用済
燃料プール浄化冷却設備であると、複数系列に形成され
ている使用済燃料プール浄化冷却設備の循環ポンプが、
夫々原子炉建屋の圧力抑制室プールの水面より低い位置
に設置され、かつこの夫々の循環ポンプの入口に、夫々
前記圧力抑制室と連絡する連絡ラインが設けられ、さら
にこの夫々の連絡ラインが、前記使用済燃料貯蔵プール
の浄化冷却系が運転されていない系列に連通するように
形成されていることから、循環ポンプの共用が可能とな
るとともに、さらに循環ポンプ出口の流量計、弁、配管
他の共用が可能となり、また、運転モードの切替が、水
源の切替操作のみで可能となり運転モードの切替を単純
化することが可能となるのである。That is, in the spent fuel pool purification / cooling equipment formed in this way, the circulation pumps of the spent fuel pool purification / cooling equipment formed in a plurality of series are
Each of them is installed at a position lower than the water surface of the pressure suppression chamber pool of the reactor building, and at the inlet of each circulation pump, a communication line is provided to communicate with each of the pressure suppression chambers. Since the purification and cooling system of the spent fuel storage pool is formed so as to communicate with a series that is not in operation, the circulation pump can be shared, and further, a flow meter, a valve, a pipe, etc. at the circulation pump outlet can be used. The operation mode can be switched by simply switching the water source, and the operation mode can be switched easily.
【００１１】さらに、本発明では従来、圧力抑制室プー
ル水を原子炉ウエルの水張り水として利用するために、
使用済燃料プール浄化冷却設備のろ過脱塩装置出口と原
子炉ウエルの間に設けていた専用ラインを残留熱除去設
備の使用済燃料プールバックアップ冷却戻り配管に合流
させ共有することにより、原子炉ウエルの水張りに加え
て使用済燃料プールへの補給も可能となるのである。Further, in the present invention, conventionally, in order to utilize the pool water of the pressure suppression chamber as the water filling the reactor well,
By merging and sharing the dedicated line between the filter desalination unit outlet of the spent fuel pool purification cooling equipment and the reactor well with the spent fuel pool backup cooling return pipe of the residual heat removal equipment, the reactor well It will be possible to replenish the spent fuel pool in addition to filling up with water.
【００１２】[0012]
【発明の実施の形態】以下図示した実施例に基づいて本
発明を詳細に説明する。図１にはその使用済燃料プール
浄化冷却設備の系統が示されている。１が使用済燃料プ
ールであり、６が圧力抑制室である。使用済燃料プール
１からスキマサージタンク２に溢れたプール水は、従来
同様循環ポンプ，すなわち使用済燃料プール浄化冷却ポ
ンプ３で昇圧され、かつろ過脱塩装置４で浄化された
後、熱交換器５を経由して再び使用済燃料プール１に戻
る経路をなしている。また、圧力抑制室６のプール水
は、使用済燃料プール浄化冷却設備のろ過脱塩装置４で
浄化された後、圧力制御室６へ戻る経路をなしている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. FIG. 1 shows the system of the spent fuel pool purification cooling equipment. 1 is a spent fuel pool and 6 is a pressure suppression chamber. The pool water overflowed from the spent fuel pool 1 to the skimmer surge tank 2 is boosted by the circulation pump, that is, the spent fuel pool purification cooling pump 3 and purified by the filter desalination device 4 as before, and then the heat exchanger. The route is to return to the spent fuel pool 1 again via 5. The pool water in the pressure suppression chamber 6 is purified by the filter desalination device 4 of the spent fuel pool purification / cooling facility and then returns to the pressure control chamber 6.
【００１３】この場合、使用済燃料プール浄化冷却ポン
プ３は原子炉建屋の圧力抑制室プールの水面より低い位
置である最下階に設置され、かつ使用済燃料プール浄化
冷却ポンプ３の入口側に圧力抑制室６からの連絡ライン
１５が設けられる。このように形成されることにより、
使用済燃料プール浄化冷却ポンプ３は圧力抑制室６のプ
ール水の浄化の目的でも使用可能な構成となる。In this case, the spent fuel pool purification cooling pump 3 is installed on the lowermost floor which is lower than the water surface of the pressure suppression chamber pool of the reactor building, and on the inlet side of the spent fuel pool purification cooling pump 3. A communication line 15 from the pressure suppression chamber 6 is provided. By being formed in this way,
The spent fuel pool purification cooling pump 3 can be used also for the purpose of purifying pool water in the pressure suppression chamber 6.
【００１４】圧力抑制室６のプール水の浄化は、プール
水を使用済燃料プール浄化冷却ポンプ３で昇圧、ろ過脱
塩装置４で浄化した後、圧力抑制室６へ戻る閉ループで
行なわれる。浄化完了後のプール水は、連絡ライン１５
を経由して使用済燃料プール浄化冷却ポンプ３で昇圧、
ろ過脱塩装置４で浄化した後、移送ライン８を通して原
子炉ウエル９へ移送され水張り運転を行なう。Purification of pool water in the pressure suppression chamber 6 is performed in a closed loop in which the pool water is pressurized by the spent fuel pool purification cooling pump 3 and purified by the filter desalting device 4 and then returned to the pressure suppression chamber 6. Pool water after purification is the contact line 15
Boosted by the spent fuel pool purification cooling pump 3 via
After being purified by the filter desalting apparatus 4, it is transferred to the reactor well 9 through the transfer line 8 and the water filling operation is performed.
【００１５】ここで、原子炉ウエル９への移送ライン８
を残留熱除去設備の使用済燃料プールバックアップ冷却
戻りライン１４と合流させることにより、浄化した圧力
抑制室６のプール水を原子炉ウエル９へ最小限の設備の
追加で移送可能とする。なお、原子炉ウエル９への移送
ライン８と使用済燃料プールバックアップ冷却戻りライ
ン１４を合流させ一部共用することにより、浄化した圧
力抑制室６のプール水を使用済燃料プール１へも移送可
能とする。Here, the transfer line 8 to the reactor well 9
Is combined with the spent fuel pool backup cooling return line 14 of the residual heat removal equipment, so that the purified pool water in the pressure suppression chamber 6 can be transferred to the reactor well 9 with the addition of a minimum of equipment. It is possible to transfer the purified pool water of the pressure suppression chamber 6 to the spent fuel pool 1 by merging the transfer line 8 to the reactor well 9 and the spent fuel pool backup cooling return line 14 and sharing a part of them. And
【００１６】残留熱除去設備は、圧力抑制室６のプール
水を残留熱除去ポンプ１２で昇圧し、原子炉圧力容器１
０へ注水する低圧注水モード他の運転モードが有る。こ
れらの運転モードの１つである使用済燃料プール１のバ
ックアップ冷却運転は使用済燃料プール１からスキマサ
ージタンク２へ溢れたプール水をバックアップ冷却供給
ライン１１を経由して残留熱除去ポンプ１２で昇圧し、
残留熱除去熱交換器１３で冷却した後バックアップ冷却
戻りライン１４を通して使用済燃料プール１へ戻す閉ル
ープで行なう。In the residual heat removal equipment, the pool water in the pressure suppression chamber 6 is pressurized by the residual heat removal pump 12, and the reactor pressure vessel 1
There are low-pressure water injection mode to inject water to 0 and other operation modes. In the backup cooling operation of the spent fuel pool 1 which is one of these operation modes, the pool water overflowed from the spent fuel pool 1 to the skimmer surge tank 2 is transferred to the residual heat removal pump 12 via the backup cooling supply line 11. Boost
It is carried out in a closed loop which returns to the spent fuel pool 1 through the backup cooling return line 14 after cooling with the residual heat removal heat exchanger 13.
【００１７】この使用済燃料プール浄化冷却ポンプ３入
口に圧力抑制室６からの連絡ライン１５を設けることに
より、使用済燃料プール浄化冷却ポンプ３を圧力抑制室
６プール水の浄化の目的でも使用可能な構成としてい
る。本実施例の第一の特徴は、二台設けている使用済燃
料プール浄化冷却ポンプ３のどちらでも圧力抑制室６の
プール水の浄化を可能な連絡ライン１５の構成としてい
ることにある。すなわちこの夫々の連絡ラインが、使用
済燃料貯蔵プールの浄化冷却系が運転されていない系列
に連通することができるということである。By providing a communication line 15 from the pressure suppression chamber 6 to the inlet of the spent fuel pool purification cooling pump 3, the spent fuel pool purification cooling pump 3 can be used for the purpose of cleaning the pressure suppression chamber 6 pool water. It has a simple structure. The first feature of the present embodiment is that the connecting line 15 is capable of purifying the pool water in the pressure suppression chamber 6 with either of the two spent fuel pool purification cooling pumps 3 provided. That is, each of the communication lines can communicate with the series in which the purification / cooling system of the spent fuel storage pool is not in operation.
【００１８】前にも述べたように、圧力抑制室６のプー
ル水は、ろ過脱塩装置４で浄化された後、圧力抑制室６
へ戻り、浄化完了後のプール水は、連絡ライン１５を経
由して使用済燃料プール浄化冷却ポンプ３で昇圧、ろ過
脱塩装置４で浄化した後、移送ライン８を通して原子炉
ウエル９へ移送されるわけであるが、ここで、原子炉ウ
エル９への移送ライン８を残留熱除去設備の使用済燃料
プールバックアップ冷却戻りライン１４と合流させるこ
とにより、浄化した圧力抑制室６のプール水を原子炉ウ
エル９へ最小限の設備で移送可能とする。As described above, the pool water in the pressure suppression chamber 6 is purified by the filter desalting device 4, and then the pressure suppression chamber 6 is discharged.
Returning to, the pool water after completion of purification is pressurized through the spent fuel pool purification cooling pump 3 through the communication line 15 and purified through the filter desalting device 4, and then transferred to the reactor well 9 through the transfer line 8. However, here, the pool water of the purified pressure suppression chamber 6 is atomized by joining the transfer line 8 to the reactor well 9 with the spent fuel pool backup cooling return line 14 of the residual heat removal equipment. It can be transferred to the furnace well 9 with the minimum equipment.
【００１９】なお、原子炉ウエル９への移送ライン８と
使用済燃料プールバックアップ冷却戻りライン１４を合
流させ一部共用することにより、浄化した圧力抑制室６
のプール水を使用済燃料プール１へも移送可能とする。The pressure suppression chamber 6 purified by joining the transfer line 8 to the reactor well 9 and the spent fuel pool backup cooling return line 14 and sharing a part thereof
It will be possible to transfer the pool water to the spent fuel pool 1.
【００２０】残留熱除去設備の使用済燃料プール１バッ
クアップ冷却運転は、使用済燃料プール１からスキマサ
ージタンク２へ溢れたプール水をバックアップ冷却供給
ライン１１を経由して残留熱除去ポンプ１２で昇圧し残
留熱除去熱交換器１３で冷却した後、バックアップ冷却
戻りライン１４を通して使用済燃料プール１へ戻す閉ル
ープで行なう。本実施例第二の特徴はこの運転を実施し
ている場合でも浄化した圧力抑制室６のプール水を移送
ライン８を介して原子炉ウエル９へ移送可能としている
ことにある。In the spent fuel pool 1 backup cooling operation of the residual heat removal equipment, pool water overflowed from the spent fuel pool 1 to the skimmer surge tank 2 is boosted by the residual heat removal pump 12 via the backup cooling supply line 11. Then, after cooling in the residual heat removal heat exchanger 13, it is carried out in a closed loop in which it is returned to the spent fuel pool 1 through the backup cooling return line 14. The second feature of this embodiment is that the purified pool water in the pressure suppression chamber 6 can be transferred to the reactor well 9 through the transfer line 8 even when this operation is performed.
【００２１】本発明は、使用済燃料プール浄化冷却ポン
プに圧力抑制室プール水浄化ポンプの機能を合わせ持た
せると共にポンプ廻りの設備である流量計、弁、配管、
電源ケーブル他の設備の共用が可能となり、また、使用
済燃料プールの浄化冷却と圧力抑制室プールの浄化運転
の切替操作が、使用済燃料プール浄化冷却ポンプ入口弁
と、ろ過脱塩装置出口弁の切替操作のみで可能となり、
運転モードを単純化し、運転員の負担を軽減することが
可能となる。According to the present invention, the spent fuel pool purification cooling pump has the function of the pressure suppression chamber pool water purification pump, and the equipment around the pump is a flow meter, a valve, a pipe,
The power cable and other equipment can be shared, and the switching operation between the purification cooling of the spent fuel pool and the purification operation of the pressure suppression chamber pool can be performed by the spent fuel pool purification cooling pump inlet valve and the filtration desalination device outlet valve. It becomes possible only by switching operation of
It is possible to simplify the operation mode and reduce the burden on the operator.
【００２２】さらに、ろ過脱塩装置出口と残留熱除去設
備の使用済燃料プールバックアップ冷却配管に連絡ライ
ンが設けられていることにより、機能を低下させること
なしに配管、弁などの共用が可能となる。このように本
発明の設備であると、シンプルで操作性の良い使用済燃
料プール浄化冷却設備構成とすることができる。Furthermore, since the connecting line is provided at the outlet of the filter desalination device and the spent fuel pool backup cooling pipe of the residual heat removal equipment, the pipes and valves can be shared without deteriorating the function. Become. As described above, the facility of the present invention can provide a simple and easy-to-use spent fuel pool purification / cooling facility configuration.
【００２３】[0023]
【発明の効果】以上説明してきたように本発明によれ
ば、運転モードを単純化し、運転モードの切替をシンプ
ルで操作性が良いこの種の使用済燃料プール浄化冷却設
備を得ることができる。As described above, according to the present invention, it is possible to obtain a spent fuel pool purification / cooling facility of this kind in which the operation mode is simplified, the operation mode can be easily switched, and the operability is good.
【図１】本発明の使用済燃料プール浄化冷却設備一実施
例を示す系統図である。FIG. 1 is a system diagram showing an embodiment of a spent fuel pool purification / cooling facility of the present invention.
【図２】従来の使用済燃料プール浄化冷却設備の使用済
燃料プール浄化冷却系を示す系統図である。FIG. 2 is a system diagram showing a spent fuel pool purification cooling system of a conventional spent fuel pool purification cooling facility.
【図３】従来の使用済燃料プール浄化冷却設備を示す系
統図である。FIG. 3 is a system diagram showing a conventional spent fuel pool purification / cooling facility.
１…使用済燃料プール、２…スキマサージタンク、３…
使用済燃料プール浄化冷却ポンプ、４…ろ過脱塩装置、
５…熱交換器、６…圧力抑制室、７…圧力抑制室プール
水浄化ポンプ、８…原子炉ウェル水張りライン、９…原
子炉ウェル、１０…原子炉圧力容器、１１…バックアッ
プ冷却供給ライン、１２…残留熱除去ポンプ、１３…残
留熱除去熱交換器、１４…バックアップ冷却戻りライ
ン、１５…連絡ライン。1 ... spent fuel pool, 2 ... skimmer surge tank, 3 ...
Spent fuel pool purification cooling pump, 4 ... Filtration desalination device,
5 ... Heat exchanger, 6 ... Pressure suppression chamber, 7 ... Pressure suppression chamber pool water purification pump, 8 ... Reactor well water filling line, 9 ... Reactor well, 10 ... Reactor pressure vessel, 11 ... Backup cooling supply line, 12 ... Residual heat removal pump, 13 ... Residual heat removal heat exchanger, 14 ... Backup cooling return line, 15 ... Communication line.
Claims (4)
浄化冷却し、再び使用済燃料プールに戻す使用済燃料貯
蔵プールの浄化冷却系と、圧力抑制室プールの水を前記
使用済燃料貯蔵プールの浄化冷却系のろ過脱塩装置を介
して浄化し、再び圧力抑制室プールに戻す圧力抑制室プ
ール水浄化系とを備え、前記使用済燃料貯蔵プールの浄
化冷却系のろ過脱塩装置および循環ポンプが複数系列に
形成されている使用済燃料貯蔵プールの浄化冷却設備に
おいて、 前記複数系列に形成されている使用済燃料プール浄化冷
却設備の循環ポンプを、夫々原子炉建屋の圧力抑制室プ
ールの水面より低い位置に設置するとともに、この夫々
のポンプの入口に、夫々前記圧力抑制室と連絡する連絡
ラインを設け、かつこの夫々の連絡ラインが、前記使用
済燃料貯蔵プールの浄化冷却系が運転されていない系列
に連通するように形成したことを特徴とする使用済燃料
貯蔵プールの浄化冷却設備。1. A purification cooling system of a spent fuel storage pool for purifying and cooling pool water overflowing from the spent fuel pool and returning to the spent fuel pool, and water of a pressure suppression chamber pool for the spent fuel storage pool. The purification and cooling system for purifying and cooling the spent fuel storage pool, and the circulation system for purifying and cooling the spent fuel storage pool. In the purification and cooling equipment of the spent fuel storage pool in which the pumps are formed in a plurality of series, the circulation pumps of the spent fuel pool purification and cooling equipment formed in a plurality of series are respectively installed in the pressure suppression chamber pool of the reactor building. It is installed at a position lower than the water surface, and a communication line for communicating with the pressure suppression chamber is provided at the inlet of each pump, and each communication line is connected with the spent fuel storage chamber. Purifying cooling facility for spent fuel storage pool, characterized by purifying the cooling system of the pool was formed so as to communicate with the sequence that is not operated.
のろ過脱塩装置および循環ポンプが２系列に形成される
とともに、前記ポンプの入口と圧力抑制室とを連絡する
連絡ラインに、夫々弁が設けられ、この弁の作動により
前記使用済燃料貯蔵プールの浄化冷却系の運転されてい
ない系列に連通するように形成されてなる請求項１記載
の使用済燃料貯蔵プールの浄化冷却設備。2. The filtration / desalination device and the circulation pump of the purification / cooling system of the spent fuel storage pool are formed in two lines, and valves are respectively provided in a communication line connecting the inlet of the pump and the pressure suppression chamber. 2. The spent fuel storage pool purification / cooling system according to claim 1, wherein the purification and cooling system for the spent fuel storage pool is formed so as to communicate with the non-operating series of the purification / cooling system of the spent fuel storage pool by the operation of the valve.
ポンプに、前記圧力抑制室プール水浄化のための圧力抑
制室プール水循環機能を持たせてなる請求項１または２
記載の使用済燃料貯蔵プールの浄化冷却設備。3. The circulation pump of the spent fuel pool purification cooling system is provided with a pressure suppression chamber pool water circulation function for purifying the pressure suppression chamber pool water.
Purification and cooling equipment for the spent fuel storage pool described.
脱塩装置出口と使用済燃料プールバックアップの冷却配
管に連絡ラインを設けてなる請求項１，２または３記載
の使用済燃料貯蔵プールの浄化冷却設備。4. The spent fuel storage pool according to claim 1, wherein a connection line is provided at the outlet of the filter desalination device of the spent fuel pool purification cooling system and the cooling pipe of the spent fuel pool backup. Purification cooling equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8149018A JPH09329689A (en) | 1996-06-11 | 1996-06-11 | Purification and cooling equipment for spent fuel storage pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8149018A JPH09329689A (en) | 1996-06-11 | 1996-06-11 | Purification and cooling equipment for spent fuel storage pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09329689A true JPH09329689A (en) | 1997-12-22 |
Family
ID=15465879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8149018A Pending JPH09329689A (en) | 1996-06-11 | 1996-06-11 | Purification and cooling equipment for spent fuel storage pool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09329689A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011095160A (en) * | 2009-10-30 | 2011-05-12 | Toshiba Corp | Nuclear power generation plant and method of operating the same |
| CN103000236A (en) * | 2011-09-08 | 2013-03-27 | 韩电原子力燃料株式会社 | Passive apparatus for cooling spent fuel storage tub |
| CN104051034A (en) * | 2014-05-26 | 2014-09-17 | 中国核电工程有限公司 | Spent fuel circulating cooling system |
| CN108922644A (en) * | 2018-06-04 | 2018-11-30 | 江苏核电有限公司 | A kind of offline cooling back installation and cooling means |
| CN109003685A (en) * | 2018-07-23 | 2018-12-14 | 上海核工程研究设计院有限公司 | Floating system is gone in a kind of PWR nuclear power plant spentnuclear fuel pond |
| CN113178271A (en) * | 2021-03-16 | 2021-07-27 | 中国核电工程有限公司 | Passive spent fuel pool cooling system |
| CN113871044A (en) * | 2021-08-12 | 2021-12-31 | 中广核研究院有限公司 | Cooling control method and related equipment |
-
1996
- 1996-06-11 JP JP8149018A patent/JPH09329689A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011095160A (en) * | 2009-10-30 | 2011-05-12 | Toshiba Corp | Nuclear power generation plant and method of operating the same |
| CN103000236A (en) * | 2011-09-08 | 2013-03-27 | 韩电原子力燃料株式会社 | Passive apparatus for cooling spent fuel storage tub |
| CN104051034A (en) * | 2014-05-26 | 2014-09-17 | 中国核电工程有限公司 | Spent fuel circulating cooling system |
| CN108922644A (en) * | 2018-06-04 | 2018-11-30 | 江苏核电有限公司 | A kind of offline cooling back installation and cooling means |
| CN108922644B (en) * | 2018-06-04 | 2023-08-15 | 江苏核电有限公司 | Off-line circulating cooling device and cooling method |
| CN109003685A (en) * | 2018-07-23 | 2018-12-14 | 上海核工程研究设计院有限公司 | Floating system is gone in a kind of PWR nuclear power plant spentnuclear fuel pond |
| CN113178271A (en) * | 2021-03-16 | 2021-07-27 | 中国核电工程有限公司 | Passive spent fuel pool cooling system |
| CN113178271B (en) * | 2021-03-16 | 2023-12-22 | 中国核电工程有限公司 | Passive spent fuel pool cooling system |
| CN113871044A (en) * | 2021-08-12 | 2021-12-31 | 中广核研究院有限公司 | Cooling control method and related equipment |
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