JPH0656422B2 - Double tank type fast breeder reactor - Google Patents
Double tank type fast breeder reactorInfo
- Publication number
- JPH0656422B2 JPH0656422B2 JP61060580A JP6058086A JPH0656422B2 JP H0656422 B2 JPH0656422 B2 JP H0656422B2 JP 61060580 A JP61060580 A JP 61060580A JP 6058086 A JP6058086 A JP 6058086A JP H0656422 B2 JPH0656422 B2 JP H0656422B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling system
- tank
- coolant
- secondary cooling
- reactor vessel
- 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.)
- Expired - Lifetime
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
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、二重タンク型高速増殖炉に係り、特に、原子
炉容器の熱保護対策に関するものである。Description: TECHNICAL FIELD The present invention relates to a double tank type fast breeder reactor, and more particularly to a thermal protection measure for a reactor vessel.
タンク型高速増殖炉の一般的な系統構成を第３図に示
す。図において、１は原子炉容器、１３はルーフデツ
キ、１４は炉心である。原子炉容器１内の１次冷却系循
環ポンプ４により循環される１次冷却材は、炉心１４を
冷却後、中間熱交換器３に入り、２次冷却材１５に熱を
伝える。２次冷却材１５は、２次冷却系循環ポンプ６に
より循環され、ホツトレグ配管１６を通つて蒸気発生器
５にこの熱を輸送し、蒸気発生器５で熱交換する。ここ
で発生した蒸気は、主蒸気管１７を通つてタービン１８
へ流入する。A general system configuration of a tank type fast breeder reactor is shown in FIG. In the figure, 1 is a reactor vessel, 13 is a roof deck, and 14 is a reactor core. The primary coolant circulated by the primary cooling system circulation pump 4 in the reactor vessel 1 cools the core 14 and then enters the intermediate heat exchanger 3 to transfer heat to the secondary coolant 15. The secondary coolant 15 is circulated by the secondary cooling system circulation pump 6, transports this heat to the steam generator 5 through the hot-leg piping 16, and exchanges heat with the steam generator 5. The steam generated here passes through the main steam pipe 17 and the turbine 18
Flow into.
このような構成のタンク型ＦＢＲにおいては、配置上の
必要性から、１次冷却材からの熱を輸送する２次冷却系
配管を長く引き廻すことが余儀なくされ、２次冷却系配
管および付属設備建設費が増大し、また、２次冷却系設
備を設置するためのスペースを必要とするという問題が
ある。In the tank type FBR having such a configuration, the secondary cooling system pipe for transporting the heat from the primary coolant is unavoidably laid for a long time due to the necessity of arrangement, and the secondary cooling system pipe and the auxiliary equipment are attached. There are problems that the construction cost increases and that a space for installing the secondary cooling system equipment is required.
このようなタンク型炉の問題を解決し、その建設費を低
減するための方策の一つとして、特願昭５８−１６７１
２６号で提案された二重タンク型高速増殖炉がある。As one of the measures for solving such a problem of the tank type furnace and reducing the construction cost thereof, Japanese Patent Application No. 58-1671.
There is a double tank type fast breeder reactor proposed in No. 26.
この二重タンク型高速増殖炉の一例を第４図に示す。本
例においては、原子炉容器（１次冷却系タンク）１の外
側に２次冷却系タンク２を設置し、原子炉容器１と同
様、ルーフデツキ１３から吊り下げてある。そして、原
子炉容器１と２次冷却系タンク２との間のアニユラス部
に２次冷却系循環ポンプ６と蒸気発生器５とを配設し、
その間に２次冷却材１５を満してある。２次冷却系循環
ポンプ６と蒸気発生器５とは、１次系機器と同様に、ル
ーフデツキ１３から吊り下げてあり、２次冷却材流路構
成上、中間熱交換器３と同一の基数設けてある。An example of this double tank type fast breeder reactor is shown in FIG. In this example, the secondary cooling system tank 2 is installed outside the reactor vessel (primary cooling system tank) 1 and is hung from the roof deck 13 like the reactor vessel 1. The secondary cooling system circulation pump 6 and the steam generator 5 are arranged in the annulus portion between the reactor vessel 1 and the secondary cooling system tank 2.
Meanwhile, the secondary coolant 15 is filled. The secondary cooling system circulation pump 6 and the steam generator 5 are suspended from the roof deck 13 like the primary system device, and the same radix as the intermediate heat exchanger 3 is provided in the secondary coolant flow path configuration. There is.
２次冷却系循環ポンプ６により２次冷却系タンク２内か
ら吸い上げられた２次冷却材１５は、コールドレグ配管
１９を通つてルーフデツキ１３上部まで立ち上がり、中
間熱交換器３の２次側入口ノズルに接続される。中間熱
交換器３の２次側に入つた２次冷却材１５は、中間熱交
換器３内で１次側から熱を受けた後、２次側出口ノズル
よりホツトレグ配管１６を通り、蒸気発生器５に入る。
蒸気発生器５内では、２次冷却材１５は、水と蒸気側に
熱を伝えて流下する。流下した２次冷却材１５は、２次
冷却系タンク２内へ戻り、タンク２内を通つて再び２次
冷却系循環ポンプ６に吸い上げられて循環する。The secondary cooling material 15 sucked up from the secondary cooling system tank 2 by the secondary cooling system circulation pump 6 rises to the upper part of the roof deck 13 through the cold leg pipe 19 and reaches the secondary side inlet nozzle of the intermediate heat exchanger 3. Connected. The secondary coolant 15 that has entered the secondary side of the intermediate heat exchanger 3 receives heat from the primary side in the intermediate heat exchanger 3 and then passes through the hot-leg piping 16 from the secondary outlet nozzle to generate steam. Enter vessel 5.
In the steam generator 5, the secondary coolant 15 transfers heat to the water and steam sides and flows down. The secondary coolant 15 that has flowed down returns to the inside of the secondary cooling system tank 2, passes through the inside of the tank 2, and is sucked up by the secondary cooling system circulation pump 6 again and circulated.
このような構成にしてあるから、２次冷却系タンク２の
壁面に接する２次冷却材１５は、どの領域でも比較的低
温であり、２次冷却系タンク２の健全性保持に寄与す
る。With such a configuration, the secondary coolant 15 in contact with the wall surface of the secondary cooling system tank 2 has a relatively low temperature in any region and contributes to maintaining the soundness of the secondary cooling system tank 2.
２次冷却系における高温部は、中間熱交換器３の２次側
出口ノズルから蒸気発生器５の入口配管部までと、蒸気
発生器５の伝熱管部廻りのナトリウム流路のみに限られ
る。The high temperature part in the secondary cooling system is limited to the secondary outlet nozzle of the intermediate heat exchanger 3 to the inlet pipe part of the steam generator 5 and only the sodium flow passage around the heat transfer tube part of the steam generator 5.
２次冷却性タンク２内に上記のごとく各機器を配設する
と、蒸気発生器５から循環ポンプ６への配管が不要とな
り、他の２次冷却系配管も極めて短かくできる。また、
二重タンク型構成としたことにより、従来必要とされて
いた充填ドレン系やオーバーフロー系統等の付属設備が
不要となり、２次冷却系カバーガス圧制御系も大幅に簡
素化でき、大幅なコスト低減につながる。When each device is arranged in the secondary cooling tank 2 as described above, piping from the steam generator 5 to the circulation pump 6 is not required, and other secondary cooling system piping can be made extremely short. Also,
By adopting a double tank type configuration, auxiliary equipment such as a filling drain system and an overflow system, which were conventionally required, are no longer required, and the secondary cooling system cover gas pressure control system can be greatly simplified, resulting in a significant cost reduction. Leads to.
ただ、こと特願昭５８−１６７１２６号においては、１
次冷却材２０と２次冷却材１５とに接液する原子炉容器
１の冷却対策についての配慮がなかつた。However, in Japanese Patent Application No. 58-167126, 1
No consideration was given to measures for cooling the reactor vessel 1 in contact with the secondary coolant 20 and the secondary coolant 15.
第５図に、上記二重タンク型高速増殖炉の中間熱交換器
３および蒸気発生器５付近の冷却材液位関係の一例を示
す。FIG. 5 shows an example of the coolant liquid level relationship in the vicinity of the intermediate heat exchanger 3 and the steam generator 5 of the double tank type fast breeder reactor.
本図に示すように、原子炉容器１内では、中間熱交換器
３の１次側圧力損失によつて、熱交換前の高温の１次冷
却材２１と、熱交換後の低温の１次冷却材２２との間
に、ΔＨ１分の液位差が生ずる。同様に、２次冷却系タ
ンク２内では、蒸気発生器５の２次冷却材側圧力損失に
よつて、熱交換前の高温の２次冷却材２３と、熱交換後
の低温の２次冷却材２４との間に、ΔＨ２分の液位差が
生ずる。As shown in the figure, in the reactor vessel 1, due to the primary side pressure loss of the intermediate heat exchanger 3, the high temperature primary coolant 21 before heat exchange and the low temperature primary coolant after heat exchange A liquid level difference of ΔH 1 minute occurs between the coolant 22 and the coolant. Similarly, in the secondary cooling system tank 2, due to the pressure loss on the secondary coolant side of the steam generator 5, the high temperature secondary coolant 23 before the heat exchange and the low temperature secondary coolant after the heat exchange. A liquid level difference of ΔH 2 is generated between the material 24 and the material 24.
これらの液位差のために、原子炉容器１の上部は、高温
の１次冷却材２１および高温の２次冷却材２３との両方
からの熱輻射により、著しく高温になるおそれがある。
したがつて、原子炉容器１の健全性を確保するために
は、何らかの熱保護対策が必要となる。Due to these liquid level differences, the upper part of the reactor vessel 1 may become extremely hot due to heat radiation from both the high-temperature primary coolant 21 and the high-temperature secondary coolant 23.
Therefore, in order to ensure the soundness of the reactor vessel 1, some heat protection measure is required.
本発明の目的は、充分な熱保護対策を施し、原子炉容器
の健全性を確保した二重タンク型高速増殖炉を提供する
ことである。An object of the present invention is to provide a double tank type fast breeder reactor in which the soundness of the reactor vessel is ensured by taking sufficient heat protection measures.
本発明は、上記目的を達成するために、２次主循環ポン
プ出口配管から２次冷却系タンク内への戻り配管を設
け、この戻り配管からの低温の２次冷却材を貯留し底部
から２次冷却系タンク内に放出するバケツトを原子炉容
器外側面に設けた二重タンク型高速増殖炉を提案するも
のである。In order to achieve the above object, the present invention provides a return pipe from the outlet pipe of the secondary main circulation pump to the inside of the secondary cooling system tank, and stores the low-temperature secondary coolant from the return pipe, We propose a double tank type fast breeder reactor in which a bucket for discharging into the secondary cooling system tank is provided on the outer surface of the reactor vessel.
また、このバケツト内の２次冷却材の液面と、熱しやへ
い効果に寄与する２次冷却材の流量とを調節するための
流量調節弁を前記戻り配管に配置する構造も提案する。Also proposed is a structure in which a flow control valve for adjusting the liquid level of the secondary coolant in the bucket and the flow rate of the secondary coolant that contributes to the heat and heat effect is arranged in the return pipe.
本発明において、２次主循環ポンプ出口配管から分岐
し、２次冷却系タンクに戻つてきた低温の２次冷却材
は、原子炉容器の外壁に設けられたバケツトに一時貯留
され、バケツト底部に設けた出口孔から２次冷却系タン
ク内のコールドプールに放出される。この低温の２次冷
却材が、蒸気発生器内の高温の２次冷却材から原子炉容
器への熱輻射に対する熱しやへいの役目を果すと同時
に、１次冷却材からの熱輻射により加熱された原子炉容
器を冷却するから、原子炉容器の異常な温度上昇が妨げ
られる。In the present invention, the low-temperature secondary coolant that has branched from the outlet pipe of the secondary main circulation pump and returned to the secondary cooling system tank is temporarily stored in a bucket provided on the outer wall of the reactor vessel, and is stored at the bottom of the bucket. It is discharged to the cold pool in the secondary cooling system tank from the provided exit hole. This low-temperature secondary coolant serves as a heat shield against the heat radiation from the high-temperature secondary coolant in the steam generator to the reactor vessel, and at the same time is heated by the heat radiation from the primary coolant. Moreover, since the reactor vessel is cooled, an abnormal temperature rise in the reactor vessel is prevented.
さらに、戻り配管途中に設置してある流量調節弁を調整
すると、バケツト内の低温２次冷却材の液位および流量
を調節し、熱しやへい効果をコントロールできる。Furthermore, by adjusting the flow rate control valve installed in the middle of the return pipe, the liquid level and flow rate of the low temperature secondary coolant in the bucket can be adjusted to control the heat and heat effect.
次に、本発明の一実施例を第１図および第２図により説
明する。Next, an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
第１図は本発明の一実施例を示す二重タンク型高速増殖
炉の冷却系統の概略系統図である。中間熱交換器３、１
次主冷却系循環ポンプ４等の１次主冷却系主要機器を収
納した原子炉容器１の外側にさらに２次冷却系タンク２
を設け、原子炉容器１との間のアニユラス部に蒸気発生
器５、２次冷却系循環ポンプ６等の２次主冷却系主要機
器を収納してある。FIG. 1 is a schematic system diagram of a cooling system of a double tank type fast breeder reactor showing an embodiment of the present invention. Intermediate heat exchanger 3, 1
A secondary cooling system tank 2 is further provided outside the reactor vessel 1 containing the primary primary cooling system main equipment such as the secondary main cooling system circulation pump 4.
The steam generator 5, the secondary cooling system circulation pump 6 and other main secondary cooling system equipment are housed in the annulus portion between the reactor vessel 1.
２次冷却材は、２次主循環ポンプ６で昇圧されたのち、
中間熱交換器３で１次冷却材により加熱され、蒸気発生
器５に流入し、水蒸気により冷却されたのち、２次冷却
系タンク２内に戻り、再び２次主循環ポンプ６で昇圧さ
れる。After the secondary coolant is pressurized by the secondary main circulation pump 6,
It is heated by the primary coolant in the intermediate heat exchanger 3, flows into the steam generator 5, is cooled by steam, and then returns to the secondary cooling system tank 2 and is pressurized again by the secondary main circulation pump 6. .
本発明は、上記の２次冷却材主循環ライン中、２次主循
環ポンプ出口配管７から、途中に流量調節弁９の設置し
た２次冷却系タンク２内への戻り配管８を設け、さら
に、原子炉容器１の外周には上記戻り配管８からの低温
の２次冷却材を貯留するためのバケツト１０を設けたこ
とを特徴とする。The present invention provides a return pipe 8 from the secondary main circulation pump outlet pipe 7 into the secondary cooling system tank 2 in which a flow rate control valve 9 is installed in the secondary coolant main circulation line. A bucket 10 for storing the low temperature secondary coolant from the return pipe 8 is provided on the outer periphery of the reactor vessel 1.
２次主循環ポンプ出口配管７から分岐し、２次冷却系タ
ンク２内へ戻つてきた低温の２次冷却材は、バケツト１
０に一時貯留され、バケツト壁に設けた出口孔１１から
２次冷却系タンク２内に放出される。このため、バケツ
ト１０の低温の２次冷却材が、蒸気発生器５内の高温の
２次冷却材から原子炉容器１に流れる高熱流に対して熱
しやへいの役目を果すとともに、原子炉容器を冷却する
こととなり、原子炉容器１の異常な温度上昇が妨げられ
る。The low-temperature secondary coolant that has branched from the secondary main circulation pump outlet pipe 7 and returned to the inside of the secondary cooling system tank 2 is the bucket 1.
It is temporarily stored at 0 and is discharged into the secondary cooling system tank 2 through the outlet hole 11 provided in the bucket wall. Therefore, the low-temperature secondary coolant of the bucket 10 plays a role of heat and heat against the high heat flow flowing from the high-temperature secondary coolant in the steam generator 5 to the reactor vessel 1, and Will be cooled, and an abnormal temperature rise of the reactor vessel 1 will be prevented.
バケツト１０内の２次冷却材の液面と、熱しやへい効果
に寄与する低温２次冷却材の流量とは、流量調節弁９に
よつて調節できる。The liquid level of the secondary coolant in the bucket 10 and the flow rate of the low temperature secondary coolant that contributes to the heat and heat effect can be adjusted by the flow rate control valve 9.
第２図に、原子炉容器１外側面付近の構造例を示す。２
次主循環ポンプ６および蒸気発生器５と原子炉容器１と
の間には、２次主循環ポンプ出口配管からの戻り配管８
が接続されたバケツト１０が設けられており、このバケ
ツト１０の底部には貯留冷却材の出口孔１１が設けられ
ている。２次主循環ポンプ出口の戻り配管８は、バケツ
ト１０内での分配管１２に接続してある。FIG. 2 shows a structural example near the outer surface of the reactor vessel 1. Two
Between the secondary main circulation pump 6 and the steam generator 5 and the reactor vessel 1, a return pipe 8 from the secondary main circulation pump outlet pipe is provided.
Is provided with an outlet hole 11 for the stored cooling material at the bottom of the bucket 10. The return pipe 8 at the outlet of the secondary main circulation pump is connected to the distribution pipe 12 in the bucket 10.
第１図にも示したように、２次主循環ポンプ出口から戻
り配管８を通して戻つてくる低温の２次冷却材の一部は
分配管１２によりバケツト１０内に一様に分配され、バ
ケツト壁下部に設けた出口孔１１から２次冷却系タンク
内に流出する。バケツト１０内の低温２次冷却材の液面
は、戻り配管８からの流入量と出口孔１１からの流出量
のバランスにより定まるから、戻り配管８上の流量調節
弁９を適度に調整すると、バケツト１０内の液位および
流量を適切に設定できる。As shown in FIG. 1, a part of the low temperature secondary coolant returning from the outlet of the secondary main circulation pump through the return pipe 8 is evenly distributed in the bucket 10 by the distribution pipe 12, and the bucket wall It flows out into the secondary cooling system tank from the outlet hole 11 provided in the lower part. Since the liquid level of the low temperature secondary coolant in the bucket 10 is determined by the balance between the inflow amount from the return pipe 8 and the outflow amount from the outlet hole 11, if the flow control valve 9 on the return pipe 8 is adjusted appropriately, The liquid level and flow rate in the bucket 10 can be set appropriately.
本発明によれば、原子炉容器外壁に設けたバケツト内の
低温２次冷却材が、蒸気発生器内の高温２次冷却材から
原子炉容器に流れる高熱流に対してしやへいの役目を果
すので、原子炉容器が高温になるのを緩和できる。According to the present invention, the low temperature secondary coolant in the bucket provided on the outer wall of the reactor vessel serves as a shield against the high heat flow flowing from the high temperature secondary coolant in the steam generator to the reactor vessel. As a result, the temperature of the reactor vessel can be reduced.
さらに、このバケツトに貯留する低温の２次冷却材を、
２次主循環ポンプ出口配管から分岐し、途中に流量調節
弁を設置した戻り配管から供給するので、貯留冷却材の
液位および流量を調整でき、熱しやへい効果をコントロ
ール可能である。In addition, the low temperature secondary coolant stored in this bucket
Since it branches from the outlet pipe of the secondary main circulation pump and is supplied from the return pipe with a flow rate control valve installed in the middle, the liquid level and flow rate of the stored coolant can be adjusted, and the heat and heat effect can be controlled.
第１図は本発明の一実施例を示す系統図、第２図は第１
図における原子炉容器外側面付近の構造図、第３図は一
般的なタンク型高速増殖炉の冷却系系統図、第４図は二
重タンク型高速増殖炉の縦断面図、第５図は第４図にお
ける冷却材の液面関係を示す図である。 １……原子炉容器、２……２次冷却系タンク、６……２
次主循環ポンプ、７……２次主循環ポンプ出口配管、８
……戻り配管、９……流量調節弁、１０……バケツト、
１１……出口孔、２１……分配管。FIG. 1 is a system diagram showing an embodiment of the present invention, and FIG.
Fig. 3 is a structural diagram of the vicinity of the outer surface of the reactor vessel in Fig. 3, Fig. 3 is a cooling system system diagram of a general tank type fast breeder reactor, Fig. 4 is a vertical sectional view of a double tank type fast breeder reactor, and Fig. 5 It is a figure which shows the liquid level relationship of the coolant in FIG. 1 ... Reactor vessel, 2 ... Secondary cooling system tank, 6 ... 2
Secondary main circulation pump, 7 ... Secondary main circulation pump outlet piping, 8
...... Return pipe, 9 ...... Flow control valve, 10 ...... Bucket,
11 ... Exit hole, 21 ... Distribution pipe.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 柴田 洋二 茨城県日立市幸町３丁目１番１号 株式会 社日立製作所日立工場内 (72)発明者 中尾 昇 茨城県日立市幸町３丁目１番１号 株式会 社日立製作所日立工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoji Shibata 3-1-1, Saiwaicho, Hitachi-shi, Ibaraki Hitachi Ltd. Hitachi factory (72) Inventor Noboru Nakao 3-chome, Saiwai-cho, Hitachi, Ibaraki No. 1 Hitachi Ltd. Hitachi factory
Claims (2)
容器の外側に２次冷却系タンクを設け、２次冷却系タン
ク内で前記原子炉容器外側の環状部分に２次冷却系循環
ポンプと蒸気発生器を配設した二重タンク型高速増殖炉
において、前記２次冷却系循環ポンプの出口配管から２
次冷却系タンク内への戻り配管を設け、この戻り配管か
らの低温の２次冷却材を貯留し底部から２次冷却系タン
ク内に放出するバケツトを前記原子炉容器外側面に設け
たことを特徴とする二重タンク型高速増殖炉。1. A secondary cooling system tank is provided outside a reactor vessel provided with a core and a primary cooling system facility, and a secondary cooling system is circulated in an annular portion outside the reactor vessel within the secondary cooling system tank. In a double-tank type fast breeder reactor in which a pump and a steam generator are installed, 2 from the outlet pipe of the secondary cooling system circulation pump
A bucket is provided on the outer surface of the reactor vessel to provide a return pipe to the secondary cooling system tank and to store the low temperature secondary coolant from the return pipe and discharge it from the bottom into the secondary cooling system tank. Double tank type fast breeder reactor featuring.
型高速増殖炉において、前記戻り配管が、前記バケツト
内に貯留すべき２次冷却材の液面と流量とを調整する流
量調整弁を備えたことを特徴とする二重タンク型高速増
殖炉。2. The double tank type fast breeder reactor according to claim 1, wherein the return pipe adjusts the liquid level and the flow rate of the secondary coolant to be stored in the bucket. A double-tank fast breeder reactor equipped with a regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61060580A JPH0656422B2 (en) | 1986-03-20 | 1986-03-20 | Double tank type fast breeder reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61060580A JPH0656422B2 (en) | 1986-03-20 | 1986-03-20 | Double tank type fast breeder reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62218890A JPS62218890A (en) | 1987-09-26 |
| JPH0656422B2 true JPH0656422B2 (en) | 1994-07-27 |
Family
ID=13146324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61060580A Expired - Lifetime JPH0656422B2 (en) | 1986-03-20 | 1986-03-20 | Double tank type fast breeder reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0656422B2 (en) |
-
1986
- 1986-03-20 JP JP61060580A patent/JPH0656422B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62218890A (en) | 1987-09-26 |
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