JPH0231839A - Transporting method for used ion exchange resin - Google Patents
Transporting method for used ion exchange resinInfo
- Publication number
- JPH0231839A JPH0231839A JP63181544A JP18154488A JPH0231839A JP H0231839 A JPH0231839 A JP H0231839A JP 63181544 A JP63181544 A JP 63181544A JP 18154488 A JP18154488 A JP 18154488A JP H0231839 A JPH0231839 A JP H0231839A
- Authority
- JP
- Japan
- Prior art keywords
- ion exchange
- exchange resin
- valve
- resin
- water
- 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
- 239000003456 ion exchange resin Substances 0.000 title claims abstract description 64
- 229920003303 ion-exchange polymer Polymers 0.000 title claims abstract description 64
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000010808 liquid waste Substances 0.000 abstract description 4
- 230000002285 radioactive effect Effects 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 4
- 238000011001 backwashing Methods 0.000 abstract description 3
- 238000005342 ion exchange Methods 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、水処理装置等で使用された使用済イオン交換
樹脂の輸送方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a method for transporting used ion exchange resin used in water treatment equipment and the like.
（従来の技術）
原子力発電所等の水処理装置等においては、大量のイオ
ン交換樹脂が使用されている。(Prior Art) A large amount of ion exchange resin is used in water treatment equipment such as nuclear power plants.
イオン交換樹脂は、脱塩、再生の繰り返しにより、その
性能が劣化する。このためある時点で新品のイオン交換
樹脂に置き換える必要があり、この時使用済イオン交換
樹脂が発生する。The performance of ion exchange resin deteriorates due to repeated desalting and regeneration. Therefore, it is necessary to replace the ion exchange resin with a new one at some point, and at this time, used ion exchange resin is generated.
以下、従来の使用済イオン交換樹脂の輸送方法について
、第３図、第４図を参照して説明する。Hereinafter, a conventional method for transporting used ion exchange resin will be explained with reference to FIGS. 3 and 4.
イオン交換樹脂塔１内のスクリーン１０上にはイオン交
換樹脂床６が形成されている。イオン交換樹脂塔１の頂
部には、処理水人口弁２ａを介して処理水導入配管２が
接続されている。ざらに加圧空気人口弁９ａを介して加
圧空気導入配管９が接続されている。ざらに又、ベント
弁４を介してベント可能な様に構成されている。イオン
交換樹脂塔１の下部には、スクリーン１０の上方に開口
する廃樹脂出口用配管７が廃樹脂出口弁７ａを介して設
けられている。ざらにスクリーン１０の下部に開口する
処理水手口配管３ａが処理水出口弁３ａを介して設けら
れ、樹脂逆洗水入口配管１４及びドレン出口配管１５が
それぞれ逆洗水弁８及びドレン弁５を介して設けられて
いる。An ion exchange resin bed 6 is formed on a screen 10 within the ion exchange resin column 1. A treated water introduction pipe 2 is connected to the top of the ion exchange resin column 1 via a treated water population valve 2a. A pressurized air introduction pipe 9 is connected to the main body via a pressurized air valve 9a. Additionally, it is configured to allow venting via a vent valve 4. A waste resin outlet pipe 7 that opens above the screen 10 is provided at the lower part of the ion exchange resin tower 1 via a waste resin outlet valve 7a. A treated water outlet pipe 3a that opens roughly at the bottom of the screen 10 is provided via a treated water outlet valve 3a, and a resin backwash water inlet pipe 14 and a drain outlet pipe 15 connect to the backwash water valve 8 and the drain valve 5, respectively. It is provided through.
以上の構成において、その作用はまず第３図ず示す様に
、イオン交換樹脂塔１の処理水入口弁２ａと処理水出口
３ａを閉にして、イオン交換樹脂塔１を処理水系統から
切り離した状態にした俊、ベント弁４とドレン弁５を開
いてイオン交換樹脂床６の上１０ｃｍ程度まで水扱きを
行ないう。次に第４図に示す様に、ベント弁４とドレン
弁５を閉じてから、廃樹脂出口弁７ａを開いた後、逆洗
水弁８及び加圧空気人口弁９ａを開くと、約３に’ｊ／
ｃｒＡ’ｊの加圧された逆洗水により、スクリーン１０
上に保持されたイオン交換樹脂床６はほぐされ流動状態
となり、加圧空気人口弁９ａからの約３Ｋｉ／ｃｒｉ’
ｉｌの加圧空気により、イオン交換樹脂床６全体が上か
ら押されるから、イオン交換樹脂が廃樹脂出口弁７ａか
らスラリー状で流出する。In the above configuration, as shown in Figure 3, the first step is to close the treated water inlet valve 2a and treated water outlet 3a of the ion exchange resin column 1 and disconnect the ion exchange resin column 1 from the treated water system. Once in this state, open the vent valve 4 and drain valve 5 to drain water to about 10 cm above the ion exchange resin bed 6. Next, as shown in FIG. 4, after closing the vent valve 4 and drain valve 5, opening the waste resin outlet valve 7a, and opening the backwash water valve 8 and the pressurized air population valve 9a, approximately 3. ni'j/
Screen 10 is cleaned by pressurized backwash water from crA'j.
The ion exchange resin bed 6 held above is loosened and becomes a fluid state, and about 3 Ki/cri' is supplied from the pressurized air valve 9a.
Since the entire ion exchange resin bed 6 is pushed from above by the pressurized air of il, the ion exchange resin flows out from the waste resin outlet valve 7a in the form of a slurry.
上記の操作で、使用済イオン交換樹脂の輸送は行なわれ
るか、樹脂逆洗水量（樹脂輸送水量）は使用済イオン交
換樹脂量の約１８〜２０倍必要であり、例えば、使用済
イオン交換樹脂１５ｒＩｉの場合、〜１００ｒｒｉもの
大量の排水が発生する。Is the used ion exchange resin transported by the above operation?The resin backwashing water amount (resin transport water amount) is required to be about 18 to 20 times the amount of used ion exchange resin. In the case of 15 rIi, a large amount of waste water of ~100 rri is generated.
（発明が解決しようとする課題）
ところで、例えば商業用原子力発電施設の廃止措置時等
、−度にイオン交換樹脂全量を廃棄処理する場合、イオ
ン交換樹脂の総量は、５０屑程度あることから、従来の
方法では、〜１ｏｏｏｒＩｉの排水、即ち、放射性液体
廃棄物が発生するため、短時間に処理するのは困難で必
るし、また、大容量の処理装置を必要とする。(Problem to be Solved by the Invention) By the way, when the entire amount of ion exchange resin is disposed of at one time, such as during decommissioning of a commercial nuclear power generation facility, the total amount of ion exchange resin is approximately 50 pieces. In the conventional method, ~100Ii of waste water, ie, radioactive liquid waste, is generated, which is difficult to treat in a short time and requires a large-capacity treatment device.
従って、従来の様に大量の放射性液体廃棄物の発生がな
く、短時間で処理でき、輸送装置が簡単な使用済イオン
交換樹脂の輸送方法が要求されている。Therefore, there is a need for a method for transporting used ion exchange resins that does not generate a large amount of radioactive liquid waste as in the past, can be processed in a short time, and has a simple transport device.
（発明の構成）
（課題を解決するための手段）
上記目的を達成するために、本発明においては、イオン
交換樹脂塔内のスクリーン上に形成されたイオン交換樹
脂床から発生する使用済イオン交換樹脂の輸送方法にお
いて、使用済イオン交換樹脂と樹脂輸送水を共にイオン
交換樹脂塔からタンク内に放出し、このタンク内で使用
済イオン交換樹脂を分離し、分離させた債の樹脂輸送水
を再びイオン交換樹脂塔内に注入して樹脂輸送水として
使用して成ることを特徴とする使用済イオン交換樹脂の
輸送方法を提供する。(Structure of the Invention) (Means for Solving the Problems) In order to achieve the above object, in the present invention, the spent ion exchanger generated from the ion exchange resin bed formed on the screen in the ion exchange resin tower In the resin transport method, both the used ion exchange resin and resin transport water are discharged from the ion exchange resin tower into a tank, the used ion exchange resin is separated in this tank, and the separated resin transport water is released. Provided is a method for transporting used ion exchange resin, characterized in that the used ion exchange resin is injected into the ion exchange resin column again and used as resin transport water.
（作 用）
この様に構成されて使用済イオン交換樹脂の輸送方法に
おいては、輸送時に樹脂輸送水と使用済イオン交換樹脂
を分離させて、樹脂輸送水を再使用する。よって、樹脂
輸送水の使用量を大幅に低減させることができる。(Function) In the method for transporting used ion exchange resin configured in this way, the resin transport water and the used ion exchange resin are separated during transport, and the resin transport water is reused. Therefore, the amount of resin transport water used can be significantly reduced.
（実施例）
以下、本発明に係る使用済イオン交換樹脂の輸送方法の
一実施例について第１図及び第２図を参照して説明する
。なあ、第１図及び第２図において、第３図及び第４図
と同一部分については同一符号を付してその部分の構成
の説明は省略する。(Example) Hereinafter, an example of the method for transporting used ion exchange resin according to the present invention will be described with reference to FIGS. 1 and 2. Incidentally, in FIGS. 1 and 2, the same parts as in FIGS. 3 and 4 are given the same reference numerals, and the explanation of the structure of the parts will be omitted.
第１図において、まず最初、イオン交換樹脂塔１の処理
水入口弁２ａと処理水出口弁３ａを閉にして、イオン交
換樹脂塔１を処理系統から切り離した状態にした後、廃
樹脂出口弁７ａと逆洗水弁８間に、仮設の容器１１．タ
ンク１２．ポンプ１３を設置して、樹脂輸送水（逆洗水
）を循環できる様に配管１７゜１８を設ける。容器１１
の底は、使用済イオン交換樹脂を十分収集できる程のメ
ツシュ１６を持つ金網状になっており、容器１１はタン
ク１２上に設置され、タンク１２の天井は一部開口して
いる。In FIG. 1, first, the treated water inlet valve 2a and the treated water outlet valve 3a of the ion exchange resin column 1 are closed to disconnect the ion exchange resin column 1 from the treatment system, and then the waste resin outlet valve is closed. 7a and the backwash water valve 8, there is a temporary container 11. Tank 12. A pump 13 is installed, and piping 17° and 18 are provided so that resin transport water (backwash water) can be circulated. Container 11
The bottom of the container 11 is in the shape of a wire mesh having a mesh 16 large enough to collect used ion exchange resin, and the container 11 is placed on a tank 12, with the ceiling of the tank 12 partially open.
上記の状態において、従来と同様に、ベント弁４とドレ
ン弁５を開いてイオン交換樹脂床６の上１０Ｃｍ程度ま
で水束きを行なうが、このドレン水は、仮設の配管１９
を通してタンク１２内へ導びかれ貯水される。In the above state, the vent valve 4 and the drain valve 5 are opened as in the conventional case to collect water up to about 10 cm above the ion exchange resin bed 6.
The water is introduced into the tank 12 through the tank 12 and stored there.
次に第２図に示す様に、ベント弁４とドレン弁５を閉じ
てから、廃樹脂出口弁７ａを開いた後、逆洗水弁８及び
加圧空気人口弁９ａを開くと、ポンプ１３によって約３
Ｋｇ／ｃｔＡ３の加圧された逆洗水により、スクリーン
１０上に保持されたイオン交換樹脂床６はほぐされ、流
動状態となり、加圧空気人口弁９ａからの約３Ｋｙ／ｃ
ｍｇの加圧空気によりイオン交換樹脂床６全体が上から
押され、イオン交換樹脂が廃樹脂出口弁７ａからスラリ
ー状で流出し、容器１１内に収集される。一方、樹脂輸
送水（逆洗水）は、容器１１のメツシュ１６を介してタ
ンク１２内に貯水され、ポンプ１３により樹脂逆洗水と
して循環再使用される。Next, as shown in FIG. 2, after closing the vent valve 4 and drain valve 5, opening the waste resin outlet valve 7a, and opening the backwash water valve 8 and pressurized air valve 9a, the pump 13 by about 3
The ion exchange resin bed 6 held on the screen 10 is loosened by the pressurized backwash water of Kg/ctA3 and becomes fluid, and about 3Ky/c from the pressurized air valve 9a is loosened.
mg of pressurized air pushes the entire ion exchange resin bed 6 from above, and the ion exchange resin flows out of the waste resin outlet valve 7a in the form of a slurry and is collected in the container 11. On the other hand, the resin transport water (backwash water) is stored in the tank 12 through the mesh 16 of the container 11, and is circulated and reused as resin backwash water by the pump 13.
容器１１内に収集された使用済イオン交換樹脂２０は、
図示しない別の廃棄物容器に容器１１毎収納処理される
。The used ion exchange resin 20 collected in the container 11 is
The container 11 is stored and processed in another waste container (not shown).
なお、樹脂輸送水（逆洗水）をポンプ１３により循環使
用させることにより樹脂輸送水の温度上昇が懸念される
が、想定されるポンプ容量と運転時間から予想するとわ
ずか数°Ｃの上昇であり、何ら問題とならない。There is a concern that the temperature of the resin transport water (backwash water) will rise due to circulation by the pump 13, but based on the assumed pump capacity and operating time, it is predicted that the temperature will rise by only a few degrees Celsius. , there is no problem.
［発明の効果〕
以上に述べた様に本発明に係る、使用済イオン交換樹脂
の輸送方法によれば、従来と同様実績のある逆洗水と加
圧空気を用いてスラリー状で輸送する方法である一方、
逆洗水（輸送水）を循環使用するので、従来の方法の様
に、大量の放射性液体廃棄物の発生がない。従って、特
に、原子力発電施設の廃止措置時等、−度にイオン交換
樹脂全量を廃棄処理する場合には有効である。また、輸
送装置が簡単で、従来と同様短時間で使用済イオン交換
樹脂を収集でき、ざらに、収集された使用済イオン交換
樹脂は、簡便に廃棄物容器に収集容器筒収納処理できる
ので、作業時の作業者の被曝低減を計ることができる。[Effects of the Invention] As described above, according to the method of transporting used ion exchange resin according to the present invention, the method of transporting the used ion exchange resin in the form of a slurry using backwash water and pressurized air, which has a proven track record as in the past, can be achieved. On the other hand,
Since backwash water (transported water) is recycled, there is no generation of large amounts of radioactive liquid waste, unlike in conventional methods. Therefore, it is particularly effective when the entire amount of ion exchange resin is disposed of at one time, such as during decommissioning of a nuclear power generation facility. In addition, the transportation device is simple, and the used ion exchange resin can be collected in a short time like conventional methods, and the collected used ion exchange resin can be easily stored in a waste container and processed. It is possible to reduce the radiation exposure of workers during work.
第１図及び第２図は本発明に係る使用済イオン交換樹脂
の輸送方法の一実施例を示す系統図、第３図及び第４図
は従来の使用済イオン交換樹脂の輸送方法を示す系統図
である。
１・・・イオン交換樹脂塔
２ａ・・・処理水人口弁
３ａ・・・処理水出口弁
４・・・ベント弁
５・・・ドレン弁
６・・・イオン交換樹脂（床）
７ａ・・・廃樹脂出口弁
８・・・逆洗水弁
９ａ・・・加圧空気人口弁
１０・・・スクリーン
１１・・・容器
１２・・・タンク
１３・・・ポンプ
代理人 弁理士 則 近 憲 １も
同 第子丸 健
第１図
第２図
第
図
第
図Figures 1 and 2 are system diagrams showing one embodiment of the method for transporting used ion exchange resin according to the present invention, and Figures 3 and 4 are system diagrams showing a conventional method for transporting used ion exchange resin. It is a diagram. 1... Ion exchange resin column 2a... Treated water population valve 3a... Treated water outlet valve 4... Vent valve 5... Drain valve 6... Ion exchange resin (bed) 7a... Waste resin outlet valve 8... Backwash water valve 9a... Pressurized air population valve 10... Screen 11... Container 12... Tank 13... Pump agent Patent attorney Nori Chika 1 too Ken Daishimaru Figure 1 Figure 2 Figure Figure
Claims (1)
交換樹脂床から発生する使用済イオン交換樹脂の輸送方
法において、使用済イオン交換樹脂と樹脂輸送水を共に
イオン交換樹脂塔からタンク内に放出し、このタンク内
で使用済イオン交換樹脂を分離し、分離させた後の樹脂
輸送水を再びイオン交換樹脂塔内に注入して樹脂輸送水
として使用して成ることを特徴とする使用済イオン交換
樹脂の輸送方法。In a method for transporting used ion exchange resin generated from an ion exchange resin bed formed on a screen in an ion exchange resin tower, both the used ion exchange resin and resin transport water are discharged from the ion exchange resin tower into a tank. The used ion exchange resin is separated in this tank, and the separated resin transport water is again injected into the ion exchange resin column and used as resin transport water. How to transport resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181544A JPH0231839A (en) | 1988-07-22 | 1988-07-22 | Transporting method for used ion exchange resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181544A JPH0231839A (en) | 1988-07-22 | 1988-07-22 | Transporting method for used ion exchange resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0231839A true JPH0231839A (en) | 1990-02-01 |
Family
ID=16102642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63181544A Pending JPH0231839A (en) | 1988-07-22 | 1988-07-22 | Transporting method for used ion exchange resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0231839A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103732540A (en) * | 2011-08-12 | 2014-04-16 | 通用电气公司 | Mobile water treatment and resin transfer hub |
| CN114573140A (en) * | 2022-03-10 | 2022-06-03 | 中国舰船研究设计中心 | Offshore platform waste resin discharge device and waste resin discharge method |
-
1988
- 1988-07-22 JP JP63181544A patent/JPH0231839A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103732540A (en) * | 2011-08-12 | 2014-04-16 | 通用电气公司 | Mobile water treatment and resin transfer hub |
| US9593029B2 (en) | 2011-08-12 | 2017-03-14 | General Electric Company | Mobile water treatment and resin transfer hub |
| CN114573140A (en) * | 2022-03-10 | 2022-06-03 | 中国舰船研究设计中心 | Offshore platform waste resin discharge device and waste resin discharge method |
| CN114573140B (en) * | 2022-03-10 | 2023-11-24 | 中国舰船研究设计中心 | Offshore platform waste resin discharge device and waste resin discharge method |
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