JPS6221096A - Melter for previously irradiated nuclear fuel - Google Patents
Melter for previously irradiated nuclear fuelInfo
- Publication number
- JPS6221096A JPS6221096A JP60159489A JP15948985A JPS6221096A JP S6221096 A JPS6221096 A JP S6221096A JP 60159489 A JP60159489 A JP 60159489A JP 15948985 A JP15948985 A JP 15948985A JP S6221096 A JPS6221096 A JP S6221096A
- Authority
- JP
- Japan
- Prior art keywords
- basket
- fuel
- melting
- section
- cleaning
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、照射ずみ核燃料、特に使用済核燃料の溶解装
置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for melting irradiated nuclear fuel, in particular spent nuclear fuel.
従来提案されている核燃料の溶解槽の構造を第10図に
示す。FIG. 10 shows the structure of a conventionally proposed nuclear fuel melting tank.
図において、溶解筒ふだ05を開いて、バスケノ)02
を溶解筒01の中に入れ2次に、案内管ふた07を開い
て、燃料剪断片03を燃料剪断片案内管06を通してバ
スケラ1−02内に入れた後、溶解筒ふだ05および案
内管ふた07を閉じる。次に、加熱ジャケラ) 015
内に蒸気を通し、溶解筒01を加熱する。これによシ。In the figure, with the melting tube flange 05 open,
into the melting cylinder 01. Next, open the guide pipe lid 07, put the fuel sheared piece 03 into the Basquera 1-02 through the fuel sheared piece guide pipe 06, and then close the melting cylinder lid 05 and the guide pipe. Close the lid 07. Next, heating jacket) 015
Steam is passed inside to heat the melting cylinder 01. This is good.
溶解液の温度が上昇すると共に、溶解反応が開始し、溶
解液は矢印の方向に流れ始める。溶解反応により、溶解
液(HNO3)の濃度が低下して来ると、新たに溶解液
入口管09より新しい溶解液を貯液槽08内に添加する
。溶解反応によって発生した反応ガスおよび溶解液が加
熱されて発生する水蒸気は、破線矢印の方向に流れて。As the temperature of the solution increases, the dissolution reaction starts and the solution begins to flow in the direction of the arrow. When the concentration of the solution (HNO3) decreases due to the dissolution reaction, a new solution is added into the storage tank 08 from the solution inlet pipe 09. The reaction gas generated by the dissolution reaction and the water vapor generated when the solution is heated flow in the direction of the dashed arrow.
反応ガス出口管010より糸外へ排出される。The reaction gas is discharged from the yarn through the outlet pipe 010.
溶解が終了すると、パルプを開いて、溶解液を次工程に
送る。次に、パルプを閉じ、新しい溶解液を溶解液入口
管09よシ貯液槽08および溶解筒01に入れ、貯液槽
08.溶解筒01゜バスケット02および燃料剪断片0
3を洗浄する。洗浄が終了した後、溶解筒ふた05を開
いて、パスケラ)02および燃料剪断片03を溶解筒0
1より取り出し、新しいバスケット02を溶解筒01内
に入れる。以下、これまで述べた通シの工程をくシ返し
、再び燃料剪断片03の溶解作業を行う。Once the dissolution is complete, the pulp is opened and the dissolved solution is sent to the next process. Next, the pulp is closed, and a new dissolving solution is put into the dissolving solution inlet pipe 09 into the dissolving tank 08 and the dissolving cylinder 01, and the dissolving solution is poured into the dissolving solution inlet pipe 09 into the dissolving tank 08 and the dissolving cylinder 01. Melting cylinder 01° basket 02 and fuel shear piece 0
Wash 3. After cleaning is completed, open the melting cylinder lid 05 and put the Paskera) 02 and fuel shear pieces 03 into the melting cylinder 0.
1 and put a new basket 02 into the melting cylinder 01. Hereinafter, the above-described throughput process is repeated, and the melting operation of the fuel sheared pieces 03 is performed again.
従来型の溶解槽は、バスケット及び燃料剪断片の装荷工
程、溶解反応工程、溶解液液抜き工程、逸浄工程、バス
ケット及び燃料剪断片の排出工程等の各工程がそれぞれ
独立したバッチ方式を取っている。このため、ある工程
の作業を行っている時には、他の作業を実行できない。In conventional dissolution tanks, each process, such as the loading process of the basket and fuel sheared pieces, the dissolution reaction process, the dissolving liquid removal process, the cleaning process, and the discharging process of the basket and fuel sheared pieces, takes a batch system that is independent of each other. ing. Therefore, while a certain process is being performed, other tasks cannot be performed.
又、従来型の溶解槽は溶解工程の間バスケットを溶解液
に浸漬したままであるためバスケット内外の液体の交換
がすみやかに行われず、溶解反応に供せられる新しい溶
解液と燃料剪断1片との接触がすすみにくかった。In addition, in conventional melting tanks, the basket remains immersed in the melting liquid during the melting process, so the liquid inside and outside the basket cannot be exchanged quickly. It was difficult to make contact with others.
本発明は前記した問題点を解決するだめになされたもの
である。本発明の照射済核燃料の溶解装置においては、
被溶解物である核燃料剪断片を入れるバスケット部材は
、溶解装置の中心軸を中心にして旋回しかつ上下方向に
駆動される回転搬送装置の複数の保持部材内にセットさ
れる。この保持部材が浸漬される溶解槽本体の溶液貯部
は、環状に形成され、その内部は、溶解部と洗浄部に区
画されている。溶解槽本体の上部には、溶解部と洗浄部
に跨って、バスケット部材の交換装置が立設される。こ
の交換装置によって、搬入された新しいバスケット部材
は。The present invention has been made to solve the above-mentioned problems. In the irradiated nuclear fuel melting device of the present invention,
A basket member into which the nuclear fuel fragments to be melted are placed is set within a plurality of holding members of a rotary conveyance device that rotates around the central axis of the melting device and is driven in the vertical direction. The solution storage section of the dissolution tank main body in which the holding member is immersed is formed in an annular shape, and the inside thereof is divided into a dissolution section and a washing section. A basket member exchange device is installed upright on the top of the melting tank body, spanning the melting section and the cleaning section. A new basket member is carried in by this exchange device.
回転搬送装置の保持部材内へ挿入され、その上昇・回転
・下降に従って溶解液からの引上げ・溶解液上の移動・
溶解液中への浸漬を繰返し。It is inserted into the holding member of the rotary conveyance device, and as it rises, rotates, and descends, it is pulled up from the solution, moved above the solution, and
Repeat immersion into the solution.
最後に洗浄部に至って洗浄される。Finally, it reaches the cleaning section where it is cleaned.
溶解槽内を一巡したバスケット部材は、その中の溶解残
査と共に、交換装置によって引き上げられ搬出される。The basket member that has gone around the inside of the dissolution tank is pulled up and carried out together with the dissolution residue therein by the exchange device.
以下本発明の実施例を図面を用いて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第1図は装置全体の平面図で、溶解槽本体10とバスケ
ットの交換装置20が示されている。FIG. 1 is a plan view of the entire apparatus, showing the dissolution tank main body 10 and the basket exchanger 20.
第1図の■−■線に沿う立断面図である第2図、第2図
のIf−N線に沿う平断面図である第3図及び第1図に
ついて説明すると、溶解槽本体10は、洗浄部1a、溶
解部1bおよび気相部ICから成シ、洗浄部1aと溶解
部1bは。To explain about FIG. 2, which is an elevational sectional view taken along the line ■-■ in FIG. 1, and FIG. 3, which is a planar sectional view taken along the If-N line in FIG. 2, and FIG. , the cleaning section 1a and the dissolving section 1b are composed of a cleaning section 1a, a dissolving section 1b, and a gas phase section IC.
環状に配列されている。溶液は、洗浄液入口管12よシ
洗浄部1aに入シ2次に連絡管21を通って溶解部1b
に入り、最後に溶解液出口管22より溶解槽本体10か
ら出ていく。気相部ICは、洗浄部1a及び溶解部1b
の上部に形成され、槽本体10の蓋10Cの反応ガス出
口10dに連通している。槽本体10の上部は円筒状容
器として形成され、環状に形成された下部の溶解部tb
の始点近傍には、燃料剪断片供給シュート2が設けられ
、気相部ICに連通している。Arranged in a ring. The solution enters the cleaning part 1a through the cleaning liquid inlet pipe 12, and then passes through the communication pipe 21 to the dissolving part 1b.
Finally, it exits from the dissolution tank main body 10 through the dissolution liquid outlet pipe 22. The gas phase part IC includes a cleaning part 1a and a dissolving part 1b.
It is formed in the upper part of the tank body 10 and communicates with the reaction gas outlet 10d of the lid 10C of the tank body 10. The upper part of the tank body 10 is formed as a cylindrical container, and the lower melting part tb is formed in an annular shape.
A fuel shear piece supply chute 2 is provided in the vicinity of the starting point of the fuel shearing piece supply chute 2, which communicates with the gas phase section IC.
また、気相部tcの中央部には9回転搬送装置40が設
けられている。その塔41の上部には8個の塔腕42が
等間隔で設けられている。その塔腕42には、保持部材
すなわちバスケットつり具43がつり下げられ、その中
にバスケット 6 a、 6b+ 5c、
6d+ 5e、 5r、 6 g。Further, a nine-rotation conveyance device 40 is provided in the center of the gas phase section tc. Eight tower arms 42 are provided at equal intervals on the upper part of the tower 41. A holding member, that is, a basket hanging device 43 is suspended from the tower arm 42, and therein are baskets 6a, 6b+5c,
6d+ 5e, 5r, 6g.
6hが収納されている。塔41の下部には9回転駆動装
置44及び上下駆動装置45が設置してあり、これらの
装置44.45が駆動することにより、塔41は、気相
部IC内で回転及び上下運動を行なう。従って吊具43
内のパスケラ)63〜6hは、溶解液及び洗浄液に浸漬
されると共に、溶解部1b及び洗浄部1aを順次移動し
ていく。なお、塔41は上昇した位置で時計方向にステ
ップ状に1/8回転ずつ回転する。6h is stored. A nine-rotation drive device 44 and a vertical drive device 45 are installed at the bottom of the tower 41, and when these devices 44 and 45 are driven, the tower 41 performs rotation and vertical movement within the gas phase IC. . Therefore, the hanging tool 43
The inner pass scalers 63 to 6h are immersed in the dissolving solution and the cleaning solution, and sequentially move through the dissolving section 1b and the cleaning section 1a. Note that the tower 41 rotates clockwise in steps at 1/8 revolutions in the raised position.
第4図は、第3図において槽本体10の環状部の中心円
周線に沿った展開断面図であって。FIG. 4 is a developed sectional view taken along the center circumferential line of the annular portion of the tank body 10 in FIG. 3.
塔41が上昇した位置にある。Tower 41 is in a raised position.
溶解槽本体10の上部には、バスケット交換装置20が
設けられている。その交換室16の中には、昇降交換装
置19が設置されている。A basket exchange device 20 is provided at the top of the dissolution tank main body 10. Inside the exchange room 16, an elevating and lowering exchange device 19 is installed.
昇降交換装置19は、2つの吊り下げシャフト19a、
19bを持ち、2台が交互にパスケラ)68〜6h
の出し入れを行なう。The lifting exchange device 19 includes two hanging shafts 19a,
19b, two cars alternately pass scale) 68~6h
Take in and out.
パスケラ)68〜6hには、複数の小孔があり、これに
よりバスケット内外の液が流入、流出する。また、バス
ケット6a〜6h上部には。Passquera) 68 to 6h have a plurality of small holes through which the liquid inside and outside the basket flows in and out. Moreover, on the upper part of the baskets 6a to 6h.
吊り下げシャツ) 19a、 19bの先端のフック
19ahをかける突起60hが設けである(第5図参照
)。パスケラ)68〜6hの交換は、フック19ahを
例えばバスケラ)6h内に挿入して回転させ、バスケッ
ト6hの突起60hにフック19ahをかけることによ
りバスケラ)6hをつり下げ、交換作業を行なう。A protrusion 60h for hanging the hook 19ah is provided at the tip of each of the hanging shirts 19a and 19b (see FIG. 5). To replace the Basquera 68 to 6h, for example, insert the hook 19ah into the Basquera 6h, rotate it, hook the hook 19ah to the protrusion 60h of the basket 6h, hang the Basquera 6h, and perform the replacement work.
第4図において、溶解部1bと洗浄部1aの仕切壁15
には、連絡管21が明けられ、それぞれパルプをもつ溶
解液ドレイン管24.洗浄液ドレイン管23が底部に設
けられている。In FIG. 4, a partition wall 15 between the dissolving section 1b and the cleaning section 1a is shown.
In each case, connecting pipes 21 are opened, and lysate drain pipes 24. each containing pulp. A cleaning liquid drain pipe 23 is provided at the bottom.
特に、第2図を参照するに、上下駆動装置45の昇降軸
46の上端には9回転駆動装置44を支持する架台47
が架設され、塔4Iは最上位置及び最下位置で回転可能
である。Particularly, referring to FIG. 2, at the upper end of the lifting shaft 46 of the vertical drive device 45, there is a frame 47 that supports the nine-rotation drive device 44.
is constructed, and the tower 4I is rotatable between the uppermost position and the lowermost position.
燃料剪断片の供給とバスケットの交換作業第2図ないし
第4図において、まず、上下駆動装置45を作動させ、
昇降軸46を伸ばし。In the fuel shearing piece supply and basket replacement operations in FIGS. 2 to 4, first, the vertical drive device 45 is activated,
Extend the lifting shaft 46.
塔41を上昇させる。これによりバスケット6a〜6h
は、すべて液面より上の位置に来る(第4図は、その状
態を示す。)。この状態で燃料剪断片7のバスケラ)6
aへの供給とバスケラ)6hの交換作業を並行して行な
う。Raise the tower 41. As a result, baskets 6a to 6h
are all located above the liquid level (Figure 4 shows this state). In this state, fuel shearing piece 7 Vasquera) 6
The supply to a and the replacement of Basquera) 6h are carried out in parallel.
燃料剪断片の供給
塔41を上昇させた後、燃料剪断片入口扉3を開き、燃
料剪断片7を燃料剪断片供給シー−ト2よりバスケラ)
6aに供給する。供給が終了したら直ちに燃料剪断片入
口扉3を閉じる(第2図は、入口扉3が開いた状態を示
す。)。After raising the fuel shearing piece supply tower 41, the fuel shearing piece inlet door 3 is opened, and the fuel shearing piece 7 is transferred from the fuel shearing piece supplying sheet 2 to the basket rack).
6a. Immediately after the supply is completed, close the fuel shearing piece inlet door 3 (FIG. 2 shows the inlet door 3 in an open state).
バスケットの交換
塔41を上昇させた後、−交換室16のバスケット出入
口17の扉17′(第8.第9図)を開き、昇降交換装
置19の吊下げシャツ) 19aを引き伸ばし、フック
19ahを洗浄の終了したバスケラ1−6hの中に挿入
し1回転させてバスケット6hをつり上げ、交換室16
の中に収納する(第2.第4図はパスケラ)6hを若干
上げた状態を示す。)。次に昇降交換装置19をスラ昏
ドさせ、空のバスケット61をつり下げている吊下げシ
ャツ) 19bを、バスケット出入口17上に移動させ
る。さらに第6図及び第7図に示す様に、吊下げシャフ
ト19bを伸ばし、空のバスケット61をバスケットつ
り具43の中にセ゛ットし、再びバスケット交換室16
の中に昇降シャツ) 19bを引き戻す。この作業が終
了した後バスケット出入口17の扉17′を閉じる。After raising the basket exchange tower 41, open the door 17' (Figs. 8 and 9) of the basket entrance 17 of the exchange room 16, stretch the hanging shirt 19a of the elevator exchange device 19, and tighten the hook 19ah. Insert the basket 6h into the cleaned basket 1-6h, rotate it once, lift the basket 6h, and move it to the exchange room 16.
(Fig. 2 and Fig. 4 are Pasquera) 6h is shown slightly raised. ). Next, the elevating/lowering exchange device 19 is slid to a standstill, and the hanging shirt 19b from which the empty basket 61 is suspended is moved above the basket entrance/exit 17. Further, as shown in FIGS. 6 and 7, the hanging shaft 19b is extended, the empty basket 61 is set in the basket hanging device 43, and the basket exchanging chamber 16 is placed again.
(lifting shirt inside) Pull back 19b. After this work is completed, the door 17' of the basket entrance/exit 17 is closed.
この時バスケット交換室扉18′は閉じたままで外部と
は遮断されている。At this time, the basket exchange room door 18' remains closed and isolated from the outside.
溶解槽内でのバスケットの移動
剪断片7の供給とバスケット6h、61の交換の作業が
終了した後、塔41が上昇している状態のままで9回転
駆動装置44を作動させ塔41をl/8回転だけ回転さ
せる。これによシバスケッ)68〜6g、6iは、すべ
て円周上を1/8回転だけ時計方向に移動する。したが
って空のバスケット6iは、洗浄部1aの上部の位置か
ら、溶解部1bの端の上部の燃料剪断緯入L
0学の位置に来る。Moving the basket in the dissolution tank After the supply of the sheared pieces 7 and the replacement of the baskets 6h and 61 are completed, the 9-rotation drive device 44 is operated while the tower 41 remains in the ascending state, and the tower 41 is moved l. / Rotate only 8 revolutions. As a result, the baskets 68 to 6g and 6i all move clockwise by 1/8 rotation on the circumference. Therefore, the empty basket 6i comes from the upper position of the washing section 1a to the position of the fuel shear weft entry L0 above the end of the melting section 1b.
燃料剪断片の溶解と洗浄
前述の作業が終了した後、第8図及び第9図に示すよう
に上下駆動装置45を作動させ、塔41を下降させる。Melting and Cleaning of Fuel Shear Pieces After the above-mentioned operations are completed, the vertical drive device 45 is operated to lower the tower 41 as shown in FIGS. 8 and 9.
これによりパスケラ)68〜6g、6iを溶解部1bお
よび洗浄部1aの液面下に位置させる。この時バスケラ
)6a〜6e内の燃料剪断片7では溶解反応がバスケラ
)6f、fg内の燃料剪断片7では洗浄作業が行なわれ
る。溶解反応で発生した反応ガスは、破線の矢印の方向
に移動し反応ガス出口10dより系外へ排出される。As a result, Paskera) 68 to 6g and 6i are positioned below the liquid level of the dissolving section 1b and the cleaning section 1a. At this time, a dissolution reaction is carried out in the fuel shearing pieces 7 in the Basquera) 6a to 6e, and a cleaning operation is performed on the fuel shearing pieces 7 in the Basquera) 6f and fg. The reaction gas generated by the dissolution reaction moves in the direction of the dashed arrow and is discharged from the system through the reaction gas outlet 10d.
バスケットの系外搬出と系内搬入
第8図において、新バスケット61を溶解槽本体10内
に挿入した後、バスケット出入口扉17′を閉じる。次
に交換室扉18′を開き、新しいバスケット6jを吊下
げシャフト19bのフック1gbhに吊下げ、その後昇
降交換装置19をスライドさせ、吊下げシャフト19a
につり下ケラれたバスケット6hをバスケット交換室入
口18の位置に移動させる。ここでバスケット6hを交
換室16より取り出した後、バスケット交換室扉18′
を閉じる。以上の作業により。Carrying the basket out of the system and into the system In FIG. 8, after inserting the new basket 61 into the melting tank main body 10, the basket entrance/exit door 17' is closed. Next, open the exchange room door 18', hang the new basket 6j from the hook 1gbh of the hanging shaft 19b, then slide the lifting exchange device 19, and hang the new basket 6j from the hanging shaft 19a.
The suspended basket 6h is moved to the position of the basket exchange room entrance 18. After taking out the basket 6h from the exchange room 16, the basket exchange room door 18'
Close. Due to the above work.
洗浄の終了した燃料剪断片7の入ったバスケラ)6hを
系外に搬出し、新しい空のバスケット61.6jを系内
に搬入する。The basket basket 61.6h containing the cleaned fuel shearing pieces 7 is carried out of the system, and a new empty basket 61.6j is carried into the system.
以上の工程作業をくり返すことによシ、燃料剪断片7は
連続的に溶解部lb内に入り、溶解。By repeating the above process operations, the fuel shear pieces 7 continuously enter the melting section lb and melt.
洗浄の工程を経て溶解槽から出て行く。また。After going through a cleaning process, it leaves the dissolution tank. Also.
溶解液は洗浄部1aに洗浄液として連続的に供給され、
連絡管を通って溶解部1bに供給され。The solution is continuously supplied to the cleaning section 1a as a cleaning solution,
It is supplied to the melting section 1b through the communication pipe.
さらに溶解槽から出て行く。Further, it leaves the dissolution tank.
本発明によれば、核燃料剪断片を入れたバスケットを2
回転搬送装置により、環状の溶解槽の中を移動させ、−
巡した後、バスケット交換装置によって順次交換するの
で、複数のバスケットについて、剪断片の供給、溶解、
洗浄、残有の取り出し等が並行的にでき、溶解処理を極
めて効率的に行なうことができる。According to the present invention, two baskets containing nuclear fuel sheared pieces are
The rotary conveyance device moves the solution inside the annular dissolving tank, and -
After the cycle, the baskets are replaced one after another by the basket exchanger, so the sheared pieces are supplied, melted, and
Washing, removal of residual materials, etc. can be performed in parallel, and the dissolution process can be performed extremely efficiently.
又2回転搬送装置により、各バスケットを間欠的に旋回
移動させるに際し、バスケットを溶解液から出し入れす
るので、剪断片に接触する溶解液が迅速に入れかわり、
溶解反応が促進される。In addition, when each basket is intermittently rotated by the two-rotation conveyance device, the baskets are taken in and out of the solution, so the solution that comes into contact with the sheared pieces is quickly replaced.
Dissolution reaction is promoted.
第1図は本発明に係る一実施例の溶解槽の平面図、第2
図は、立断面図、第3図は、平断面図、第4図は第3図
の展開図、第5図は、第2図の部分拡大図、第6.7,
8.9図は、前記実施例の作用説明図、第10図は、従
来のものの断面図である。
10・・・溶解槽本体、la・・・洗浄部、1b・・・
溶解部、1c・・・気相部、2・・・燃料剪断片供給シ
ュート、3・・・燃料剪断片入口扉、40・・・回転搬
送装置、41・・・塔、43・・・バスケット吊具、6
a〜6j・・・バスケット、44・・・回転駆動装置。
45・・・上下駆動装置
狛1圀
グ
勇3A
第2m
第4に
lヲFIG. 1 is a plan view of a dissolving tank according to an embodiment of the present invention, and FIG.
The figure is an elevational sectional view, Figure 3 is a plan sectional view, Figure 4 is a developed view of Figure 3, Figure 5 is a partially enlarged view of Figure 2, and Figure 6.7.
8.9 is an explanatory diagram of the operation of the above embodiment, and FIG. 10 is a sectional view of the conventional one. 10...Dissolution tank main body, la...Washing section, 1b...
Melting part, 1c... Gas phase part, 2... Fuel shearing piece supply chute, 3... Fuel shearing piece inlet door, 40... Rotary conveyance device, 41... Tower, 43... Basket Hanging equipment, 6
a to 6j... Basket, 44... Rotation drive device. 45... Vertical drive device Koma 1 Kunigu Yu 3A 2nd m 4th lwo
Claims (1)
れた槽本体、該槽本体の上部に設けられると共に、該溶
解部と洗浄部とに選択的に浸漬される複数の保持部材を
もつ回転搬送装置、該保持部材ごとに挿入されるバスケ
ット部材、該溶解部の始点と洗浄部とにまたがって該槽
本体の上方に設けられたバスケット交換装置及び溶解液
給排装置を有してなることを特徴とする照射ずみ核燃料
の溶解装置。A tank body in which a solution reservoir formed in an annular shape is divided into a dissolving part and a cleaning part, and a plurality of holding members provided on the upper part of the tank body and selectively immersed in the dissolving part and the cleaning part. a basket member inserted for each holding member, a basket exchange device and a solution supply/drainage device provided above the tank body, spanning the starting point of the dissolution section and the cleaning section. An apparatus for melting irradiated nuclear fuel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60159489A JPS6221096A (en) | 1985-07-19 | 1985-07-19 | Melter for previously irradiated nuclear fuel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60159489A JPS6221096A (en) | 1985-07-19 | 1985-07-19 | Melter for previously irradiated nuclear fuel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6221096A true JPS6221096A (en) | 1987-01-29 |
Family
ID=15694884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60159489A Pending JPS6221096A (en) | 1985-07-19 | 1985-07-19 | Melter for previously irradiated nuclear fuel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6221096A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6330796A (en) * | 1986-07-25 | 1988-02-09 | 株式会社日立製作所 | Rotating drive for continuous melting treater |
JPS6330795A (en) * | 1986-07-25 | 1988-02-09 | 株式会社日立製作所 | Fuel charging cage conveyor for continuous melting treater |
JPS6361195A (en) * | 1986-09-01 | 1988-03-17 | 株式会社日立製作所 | Continuous melter for spent nuclear fuel |
JPH01141399A (en) * | 1987-11-27 | 1989-06-02 | Hitachi Ltd | Continuous dissolution treatment device for used nuclear fuel |
-
1985
- 1985-07-19 JP JP60159489A patent/JPS6221096A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6330796A (en) * | 1986-07-25 | 1988-02-09 | 株式会社日立製作所 | Rotating drive for continuous melting treater |
JPS6330795A (en) * | 1986-07-25 | 1988-02-09 | 株式会社日立製作所 | Fuel charging cage conveyor for continuous melting treater |
JPS6361195A (en) * | 1986-09-01 | 1988-03-17 | 株式会社日立製作所 | Continuous melter for spent nuclear fuel |
JPH01141399A (en) * | 1987-11-27 | 1989-06-02 | Hitachi Ltd | Continuous dissolution treatment device for used nuclear fuel |
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