JPS6184596A - Melter - Google Patents
MelterInfo
- Publication number
- JPS6184596A JPS6184596A JP59206262A JP20626284A JPS6184596A JP S6184596 A JPS6184596 A JP S6184596A JP 59206262 A JP59206262 A JP 59206262A JP 20626284 A JP20626284 A JP 20626284A JP S6184596 A JPS6184596 A JP S6184596A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- storage basket
- melting
- melted
- solution
- 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
- 239000000463 material Substances 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 22
- 238000004090 dissolution Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 241000972773 Aulopiformes Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000019515 salmon Nutrition 0.000 description 1
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
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (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）
本発明は原子炉燃料の俗解処理を行なう溶解装置に係る
ものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a melting apparatus for performing general treatment of nuclear reactor fuel.
（従来の技術）
第１１図は従来の溶解装置を示し、円筒状溶解槽（バレ
ル）（１）と扁平な貯ｇ、Ｎ（スラブ）（２）とが液相
用上下連結管（３α） （３ｂ）及び気相用連結管（４
）を介して連結され、前記溶解槽（１）には加熱ジャケ
ット（図示せず）が囲繞されるとともに、底部に空気ま
たは酸素吹込み用ノズル（５）が配設され、更に前記溶
解槽（１）内には被溶解物収納篭（バスケット）（６）
が装架されている。(Prior art) Figure 11 shows a conventional melting device, in which a cylindrical melting tank (barrel) (1) and a flat storage g, N (slab) (2) are connected to an upper and lower connecting pipe (3α) for liquid phase. (3b) and gas phase connecting pipe (4
), the melting tank (1) is surrounded by a heating jacket (not shown), and is provided with an air or oxygen blowing nozzle (5) at the bottom. 1) Inside is a basket for storing materials to be melted (6)
is mounted.
（発明が解決しようとする問題点）
前記従来の溶解槽においてはノズル（５）から吹込まれ
た空気、或いは酸素が溶解槽（１）内を矢印α方向に上
昇するため、・溶解液である硝酸は空気の上昇気泡に連
行されて矢印すの方向に流れ、矢印（ｃ）Ｋ示す如く液
相用上部連結管（３α）を通って貯液槽（２）に入シ、
下方の液相用下部連結管（３ｂ）を通って再び溶解槽（
１）に戻る循環流を形成する。(Problems to be Solved by the Invention) In the conventional dissolving tank, air or oxygen blown from the nozzle (5) rises in the direction of the arrow α inside the dissolving tank (1), so that the dissolving liquid The nitric acid is carried by the rising air bubbles and flows in the direction of the arrow (c), and enters the liquid storage tank (2) through the upper liquid phase connecting pipe (3α) as shown by the arrow (c)K.
It passes through the lower liquid phase lower connecting pipe (3b) and returns to the dissolution tank (
A circulating flow is formed that returns to step 1).
而して被溶解物（７）は多数の透孔を有する被溶解物収
納篭（６）に入っておシ、被溶解物（７）を溶解するに
は遂次新鮮な硝酸が供給されなければならない。Therefore, the material to be melted (7) enters the material to be melted storage basket (6) having a large number of through holes, and fresh nitric acid must be successively supplied to dissolve the material to be melted (7). Must be.
しかるに前記被溶解物収納篭（６）の透孔は１〜５鵡径
と小さく、開口率も１０〜４０％と少ないため、前記収
納篭（６）の外側を流れる新鮮な硝酸液が入シ難く、同
収納篭（６）の中心部の燃料の溶解に著しく時間を扱す
るという不具合がある。However, the through holes of the storage basket (6) for the material to be dissolved are small, with a diameter of 1 to 5 mm, and the opening ratio is small, 10 to 40%. However, there is a problem in that it takes a considerable amount of time to melt the fuel in the center of the storage basket (6).
（問題点を解決するだめの手段）
本発明はこのような問題点を解決するために提案された
ものでおって、溶解槽、同槽内にＮ脱自在に装架される
被溶解物収納篭、前記溶解槽の底部及び上部に夫々連絡
された溶解液導出管並に溶解液導出管、前記溶解槽の最
下部に連絡された気体供給装置、及び前記溶解槽の外面
に添設された加熱装置を有する溶解装置において、前記
被溶解物収納篭を二重構造とし、中心部に溶解液流流入
促進空間を形成したことを特徴とする溶解装置に係るも
のである。(Means for Solving the Problems) The present invention has been proposed to solve these problems, and includes a melting tank, and a storage for melting materials removably installed in the tank. a basket, a solution outlet pipe and a solution outlet pipe connected to the bottom and top of the dissolution tank, respectively, a gas supply device connected to the lowest part of the dissolution tank, and attached to the outer surface of the dissolution tank. The present invention relates to a melting device having a heating device, characterized in that the material storage basket to be melted has a double structure, and a space for promoting flow of the melting liquid is formed in the center thereof.
（作用）及び（発明の効果）
本発明においては前記したように、溶解槽に着脱自在に
装架される被溶解物収納篭を二重構造として、その中心
に溶解液流流入促進空間を設けたので、溶解ね内に導入
された溶解液は被溶解物収納篭内に外側のみならず内側
にも、前記溶解液流流入促進空間］を介して供給される
こととなり、前記収納篭内における溶解液流量が増加し
、溶解時間が短縮されるものである。(Function) and (Effects of the Invention) As described above, in the present invention, the material storage basket to be melted which is removably mounted on the melting tank has a double structure, and a space for promoting flow of the melted liquid is provided in the center thereof. Therefore, the solution introduced into the solution tank is supplied not only to the outside but also to the inside of the storage basket for the material to be dissolved, via the solution flow inflow promoting space. The flow rate of the dissolving solution is increased and the dissolving time is shortened.
（実施例） 以下本発明を図示の実施例について訓明する。(Example) The present invention will now be explained with reference to illustrative embodiments.
第１図は本発明に係る温熱装置の全体概念図を示し、円
筒状溶解槽ａυと扁平な貯液槽α３との底部及び上部に
夫々溶解液導入管側並に溶解液導出管（１４が連結され
、更に前記両槽（１１１（１２＋の上部間に気相用連結
管ａ９が連結されている。FIG. 1 shows an overall conceptual diagram of the heating device according to the present invention, in which a solution inlet pipe and a solution outlet pipe (14) are installed at the bottom and top of the cylindrical dissolution tank aυ and the flat liquid storage tank α3, respectively. Further, a gas phase connecting pipe a9 is connected between the upper portions of both the tanks (111 (12+).
前記溶解槽ａυの外面には加熱装置を構成する加熱ジャ
ケット（１ｅが添接され、最下部にはり体供給装置を構
成する空気または酸素吹込み用ノズル卸が配設され、更
に溶解槽Ｑｌｉ内には被溶解物収納篭（１８１が着脱自
在に装架されている。A heating jacket (1e) constituting a heating device is attached to the outer surface of the dissolving tank aυ, and an air or oxygen blowing nozzle constituting a beam supply device is provided at the lowest part. A melting material storage basket (181) is removably mounted on the.
第２図及び第３図は前記実塵例の詳細を示し、前記被溶
解物収納篭（１８１は多数の透孔を有する外周壁によっ
て構成された外筒（１８４）と内筒（１８ｂ）との二重
円筒構造に構成され、外筒（１８α）には多孔板よシな
る底板（１８Ｃ）が設けられ、内筒（１８ｂ）には底板
が設けられていない。Figures 2 and 3 show details of the actual dust example, and show that the material to be melted storage basket (181 is an outer cylinder (184) and an inner cylinder (18b) constituted by an outer peripheral wall having a large number of through holes). The outer cylinder (18α) is provided with a bottom plate (18C) such as a perforated plate, and the inner cylinder (18b) is not provided with a bottom plate.
また外筒（１８α）の上部には蓋がなく、内筒（１８ｂ
）の上端には蓋板（１８ｄ）が設けられていて、内筒（
１８ｂ）における下端が開放された内部空間が前記した
溶解液流流入促進空間（４）を構成するものである。Also, there is no lid on the top of the outer cylinder (18α), and the inner cylinder (18b)
) is provided with a cover plate (18d) at the upper end of the inner cylinder (
The internal space in 18b) whose lower end is open constitutes the above-mentioned solution flow inflow promoting space (4).
図示の実方出ヤニ］は前記したように構成されているの
で、被溶解物ａつを前記収納篭（ｌｉ（＋における外筒
側の環状の空間（Ｂ）に装荷し、同収納篭餞を溶解槽Ｉ
内に装着する。Since the actual resin shown in the figure is constructed as described above, one material to be melted is loaded into the annular space (B) on the outer cylinder side in the storage basket (li (+), Dissolving tank I
Attach it inside.
図示の実施例は前記したように構成されているので、空
気または酸素吹込用ノズル（１７）よシ供給される空気
は矢印Ｃに示すように溶解槽（１１）内を上昇し、この
空気の上昇に伴なって流れる硝酸液は矢印ｄに示すよう
に溶解槽（１１）と前記収納篭（１８）の外筒（１８α
）の外周壁との間に形成された通路、及び内筒（１８ｂ
）内に形成された溶解液流流入促進空間囚内に入り込む
。Since the illustrated embodiment is constructed as described above, the air supplied from the air or oxygen blowing nozzle (17) rises in the melting tank (11) as shown by arrow C, and this air The nitric acid solution flowing as it rises flows into the dissolution tank (11) and the outer cylinder (18α) of the storage basket (18) as shown by arrow d.
) and the inner cylinder (18b).
) is formed in the space that promotes the inflow of the dissolved solution.
従って前記収納篭（１８）内における外筒（１８α）内
側の環状空間（Ｂｌに装架された被溶解物翰には、前記
外筒（１８α）の外周壁に設けた透孔と、前記内筒（１
８りの外周壁の透孔との双方から溶解液が進入するため
、従来に比して溶解に要する時間が大幅に短縮されるも
のである。Therefore, in the annular space (Bl) inside the outer cylinder (18α) in the storage basket (18), the material to be melted is mounted on a through hole provided in the outer circumferential wall of the outer cylinder (18α) and Tube (1
Since the dissolving liquid enters through both the through holes in the outer circumferential wall of 8, the time required for dissolution is significantly shortened compared to the conventional method.
第４図及び第５図は本発明の他の実施世」を示し。4 and 5 show other embodiments of the present invention.
前記被溶解物収納篭（１８Ｉは外筒（１８ｃＬ）と内筒
（１８ｂ）とからなる二重円筒構造をなし、下端面が開
放された内筒（１８ｂ）の高さは収納篭全体の高さより
低く、その頂壁にも透孔が設けられ、仮溶解物鮭の装荷
位置高さが内筒（１８ｂ）よシ高くなるように構成され
、底＆ （１８ｇ）は内＠ （１８Ａ）の下端開口部以
外を閉塞する平板に形成されている。The material storage basket (18I) has a double cylindrical structure consisting of an outer cylinder (18cL) and an inner cylinder (18b), and the height of the inner cylinder (18b) whose lower end surface is open is equal to the height of the entire storage basket. A through hole is also provided in the top wall of the inner cylinder (18b), and the loading position of the temporarily melted salmon is higher than that of the inner cylinder (18b). It is formed into a flat plate that closes off the opening at the lower end.
前記のように構成された被溶解物収納篭（１８′ｌは溶
解槽（１１）の下部に配設された環状仕切板（２Ｑ上に
載架される。The material storage basket (18'l) configured as described above is mounted on the annular partition plate (2Q) disposed at the bottom of the melting tank (11).
なお図中前記実施例と均等部分には同−打号が附されて
いる。In the drawings, parts equivalent to those of the above-mentioned embodiment are marked with the same symbol.
図示の実施ψ：ｊは前記したように構成されているので
矢印Ｃで示すように、溶解槽圓に供給される空気と、こ
れに誘起されて矢印ｄに示す如く上昇流となる硝酸は前
記環状仕切板（２０）のため、被溶解物収納篭（１８）
の内筒（１８ｂ）内に形成された浴解液流流入促進空間
回内に進入し、内筒（１８ｂ）の周壁の透孔から前記収
納篭αａの外側に流出する。Since the illustrated embodiment ψ:j is constructed as described above, the air supplied to the melting tank circle and the nitric acid which is induced by the air and flows upward as shown by the arrow d, as shown by the arrow C. For the annular partition plate (20), there is a storage basket (18) for the material to be melted.
The bath solution flows into the inflow promoting space formed in the inner cylinder (18b), and flows out to the outside of the storage basket αa through the through hole in the peripheral wall of the inner cylinder (18b).
従って同収納篭（Ｉ８内の空気と硝酸液との流量が増大
し、被溶解物０の溶解時間が短縮される。Therefore, the flow rate of the air and nitric acid solution in the storage basket (I8) increases, and the time for dissolving the material to be dissolved 0 is shortened.
第６図乃至第１０図は本発明の更に他の実施例を示し、
前記第４図及び第５図の実施例に示す被溶解物収納篭０
８）において、外筒（１８α）の下部を、下方に至るに
伴って直径の漸減するようにＫＷ的に変化させ、前記収
納篭αＱの下部附近に２ける空気と溶解液との流れの流
路面積の変化を緩徐にして、同部分の圧損を減少せしめ
、前記収納１ｉＱｇｌ内の空気と溶解液の流量を増大し
、前記内筒（１８ｂ）内にあする溶解液流流入促進空間
囚の設置と相俟って、被溶解物（１”ｌの溶解時間を著
しく短縮するものである。6 to 10 show still other embodiments of the present invention,
Materials to be melted storage basket 0 shown in the embodiment of FIGS. 4 and 5 above
In 8), the lower part of the outer cylinder (18α) is changed in a KW manner so that the diameter gradually decreases as it reaches the lower part, and the flow of the air and the solution is adjusted near the lower part of the storage basket αQ. By slowing down the change in the passage area, the pressure drop in the same area is reduced, the flow rate of the air and solution in the storage 1iQgl is increased, and the flow of the solution into the inner cylinder (18b) is promoted. Together with the installation, it significantly shortens the melting time for the material to be melted (1"l).
なお内筒（１８６）の上部も第８図に示すように、上方
に至るに伴って直径が漸減するようにしてもよい。As shown in FIG. 8, the diameter of the upper part of the inner cylinder (186) may gradually decrease as it goes upward.
また第９図及び第１０図は前記第２図及び第３図に示す
実施例に示きれた被溶解物収納篭（Ｌ８Ｉにおける外筒
（１８α）の下方部分を、下方に至るに伴って直径が漸
減するように直線的または曲線的に変化させた場合を示
し、この場合も第１０図に示すように、内筒（１８Ａ）
の上部は上方に至るに従って直径がｆｉ減するように形
成されてもよい。Moreover, FIGS. 9 and 10 show the lower part of the outer cylinder (18α) of the melted material storage basket (L8I) shown in the embodiment shown in FIGS. In this case, as shown in FIG. 10, the inner cylinder (18A)
The upper part of may be formed such that the diameter decreases fi as it goes upward.
なお前記第６図乃至第１０図に示す’％ＪｉＭ例中、前
記各実施例と均等部分には同一符号が附されている。In the '%JiM examples shown in FIGS. 6 to 10, parts equivalent to those in each of the above embodiments are given the same reference numerals.
以上本発明を実施例について説明したが、本発明は勿論
このような実施例にたけ局限されるものではなく、本発
明の精神を逸脱しない範囲内で種々の設計の改変を施し
うるものである。Although the present invention has been described above with reference to embodiments, the present invention is, of course, not limited to such embodiments, and can be modified in various ways without departing from the spirit of the present invention. .
第１図は本発明に係る溶解装置の全体概念図、第２図は
本発明に係る溶解装置の一実施例の要部を示す縦断面図
、第３図はその被溶解物収納篭の縦断面図、第４図は本
発明に係る溶解装置の他の実施例の要部を示す縦断面図
、第５図はその被溶解物収納ねの縦断面図、第６図は本
発明に係る溶解装置の更に他の実施例のを都を示す縦１
１面図、第７図乃至第１０図は夫々その被溶解物収納篭
の各実施例を示す縦断面図、第１１図は従来の溶解装置
の要部を示す縦断面図である。
（１１）・・・円筒状溶解槽、α■・・・溶解液導入管
、（Ｌか・・溶解液導出管、ａＢ・・・加熱ジャケット
、αη・・・空気または酸素吹込み用ノズル、０杓・・
・被溶解物収納篭、（１８α）・・・外筒、（１８ｂ）
・−・内筒、囚・・・溶斃′液流流入促進空間
復代理人 弁理士 岡 本 重 窯
外３名
牙１配
牙５Ｖ
／Ｂｅ ｆ３ ／８ｅ
ｉ７ｅ
オｑ記
太８図
オ（Ｏ閏Fig. 1 is an overall conceptual diagram of a melting device according to the present invention, Fig. 2 is a vertical cross-sectional view showing a main part of an embodiment of the melting device according to the present invention, and Fig. 3 is a longitudinal cross-sectional view of a container for storing materials to be melted. 4 is a vertical cross-sectional view showing the main parts of another embodiment of the melting device according to the present invention, FIG. 5 is a vertical cross-sectional view of the material storage container, and FIG. Vertical 1 showing the capital of yet another embodiment of the melting device
The first view and FIGS. 7 to 10 are vertical cross-sectional views showing respective embodiments of the melting material storage basket, and FIG. 11 is a vertical cross-sectional view showing essential parts of a conventional melting apparatus. (11)...Cylindrical dissolution tank, α■...Dissolved liquid inlet pipe, (L)...Dissolved liquid outlet pipe, aB...Heating jacket, αη...Nozzle for blowing air or oxygen, 0 scoop...
・Dissolved material storage basket, (18α)...outer cylinder, (18b)
・-・Inner cylinder, prisoner... Molten liquid flow inflow promotion space Sub-agent Patent attorney Shige Okamoto 3 people outside the kiln 1 fang 5V /Be f3 /8e i7e Leap
Claims (1)
、前記溶解槽の底部及び上部に夫々連絡された溶解液導
入管並に溶解液導出管、前記溶解槽の最下部に連絡され
た気体供給装置、及び前記溶解槽の外面に添設された加
熱装置を有する溶解装置において、前記被溶解物収納篭
を二重構造とし、中心部に溶解液流流入促進空間を形成
したことを特徴とする溶解装置。a dissolution tank, a storage basket for the material to be dissolved detachably installed in the tank, a solution inlet pipe and a solution outlet pipe connected to the bottom and top of the dissolution tank, respectively, and a dissolution solution outlet pipe connected to the bottom of the dissolution tank; In the melting device having a connected gas supply device and a heating device attached to the outer surface of the melting tank, the material storage basket to be melted has a double structure, and a space for promoting inflow of melt liquid is formed in the center. A dissolving device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59206262A JPS6184596A (en) | 1984-10-03 | 1984-10-03 | Melter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59206262A JPS6184596A (en) | 1984-10-03 | 1984-10-03 | Melter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184596A true JPS6184596A (en) | 1986-04-30 |
Family
ID=16520413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59206262A Pending JPS6184596A (en) | 1984-10-03 | 1984-10-03 | Melter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184596A (en) |
-
1984
- 1984-10-03 JP JP59206262A patent/JPS6184596A/en active Pending
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