JP2016221449A5 - - Google Patents
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- JP2016221449A5 JP2016221449A5 JP2015109507A JP2015109507A JP2016221449A5 JP 2016221449 A5 JP2016221449 A5 JP 2016221449A5 JP 2015109507 A JP2015109507 A JP 2015109507A JP 2015109507 A JP2015109507 A JP 2015109507A JP 2016221449 A5 JP2016221449 A5 JP 2016221449A5
- Authority
- JP
- Japan
- Prior art keywords
- treated water
- reverse osmosis
- osmosis membrane
- supplied
- dirt
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 23
- 239000012528 membrane Substances 0.000 claims 15
- 238000001223 reverse osmosis Methods 0.000 claims 15
- 238000011156 evaluation Methods 0.000 claims 6
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 238000011109 contamination Methods 0.000 claims 3
- 239000003112 inhibitor Substances 0.000 claims 3
- 230000002401 inhibitory effect Effects 0.000 claims 3
- 102000010637 Aquaporins Human genes 0.000 claims 2
- 108010063290 Aquaporins Proteins 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 239000002689 soil Substances 0.000 claims 2
- 239000002519 antifouling agent Substances 0.000 claims 1
Claims (5)
当該逆浸透膜に供給される処理水が通流する処理水流路に対して並列に接続され、当該処理水流路を通流する処理水の一部が供給されることで、前記逆浸透膜に付着する汚れの度合いを予測する汚れ予測装置と、
連続運転中に、当該汚れ予測装置によって予測された前記逆浸透膜の汚れの度合いに基づいて、前記逆浸透膜に供給する処理水の供給条件を制御する制御部と、を備えることを特徴とする、水処理システム。 A reverse osmosis membrane,
It is connected in parallel to the treated water flow path through which the treated water supplied to the reverse osmosis membrane flows, and a part of the treated water flowing through the treated water flow path is supplied to the reverse osmosis membrane. A dirt prediction device for predicting the degree of dirt attached;
A control unit that controls a supply condition of treated water supplied to the reverse osmosis membrane based on the degree of contamination of the reverse osmosis membrane predicted by the dirt prediction device during continuous operation, Water treatment system.
当該汚染防止剤タンクに貯留された汚染防止剤を、前記逆浸透膜に供給される処理水に注入する汚染防止剤注入ポンプと、を備え、
前記制御部は、前記汚れ予測装置により予測された前記逆浸透膜の汚れの度合いに基づいて、前記逆浸透膜に供給される処理水に対して注入する汚染防止剤の量を変更するように、前記汚染防止剤注入ポンプを制御することを特徴とする、請求項１に記載の水処理システム。 A pollution control agent tank for storing a pollution control agent for preventing contamination of the reverse osmosis membrane;
A pollution inhibitor injection pump for injecting the pollution inhibitor stored in the pollution inhibitor tank into the treated water supplied to the reverse osmosis membrane,
The control unit changes the amount of the antifouling agent to be injected into the treated water supplied to the reverse osmosis membrane based on the degree of contamination of the reverse osmosis membrane predicted by the stain prediction device. The water treatment system according to claim 1, wherein the pollution control agent injection pump is controlled.
前記処理水流路から分岐して、前記前処理装置に接続される分岐流路と、を備え、
前記制御部は、前記汚れ予測装置により予測された前記逆浸透膜の汚れの度合いに基づいて、前記処理水流路を通流して直接前記逆浸透膜に、又は、前記前処理装置を経由して前記逆浸透膜に処理水が供給されるように、処理水の流路を制御することを特徴とする、請求項１又は２に記載の水処理システム。 A pretreatment device for treating the seawater supplied to the reverse osmosis membrane before being supplied to the reverse osmosis membrane;
A branch channel branched from the treated water channel and connected to the pretreatment device,
Based on the degree of dirt of the reverse osmosis membrane predicted by the dirt prediction device, the control unit flows directly through the treated water flow path to the reverse osmosis membrane or via the pretreatment device. The water treatment system according to claim 1, wherein a flow path of the treated water is controlled so that the treated water is supplied to the reverse osmosis membrane.
前記処理水流路を通流する処理水の一部が通流する評価流路と、
前記評価流路を通流する処理水に接触可能に配置されることで、処理水の通流に伴って汚れが付着する評価部材と、
前記評価部材を挟むようにして配置された一組の電極と、
当該一組の電極に対して直列に接続された交流電源と、
前記一組の電極に直列に接続され、交流電流を直流電流に変換する整流装置と、
当該整流装置での出力電圧を測定する電圧計と、を備えて構成されていることを特徴とする、請求項１〜３の何れか１項に記載の水処理システム。 The dirt prediction device includes:
An evaluation channel through which a part of the treated water flowing through the treated water channel flows;
By being disposed so as to be able to come into contact with the treated water flowing through the evaluation flow path, an evaluation member to which dirt adheres along with the flow of treated water,
A set of electrodes arranged so as to sandwich the evaluation member ;
An AC power source connected in series to the set of electrodes;
A rectifier connected in series to the set of electrodes and converting alternating current into direct current;
The water treatment system according to claim 1, comprising a voltmeter that measures an output voltage of the rectifier.
前記汚れ予測装置に供給される処理水の流速が前記逆浸透膜に供給される処理水の流速よりも速い速度になるように前記汚れ予測装置に処理水が供給されることで、前記評価部材への汚れの付着が促されることを特徴とする、請求項１〜４の何れか１項に記載の水処理システム。 The soil prediction apparatus is configured to include an evaluation member that is disposed so as to be able to contact the supplied treated water, so that the soil adheres as the treated water flows.
The evaluation member is supplied with the treatment water so that the flow rate of the treated water supplied to the stain prediction device is faster than the flow rate of the treatment water supplied to the reverse osmosis membrane. The water treatment system according to any one of claims 1 to 4, wherein adhesion of dirt to the surface is promoted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015109507A JP6463656B2 (en) | 2015-05-29 | 2015-05-29 | Water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015109507A JP6463656B2 (en) | 2015-05-29 | 2015-05-29 | Water treatment system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016221449A JP2016221449A (en) | 2016-12-28 |
| JP2016221449A5 true JP2016221449A5 (en) | 2018-04-05 |
| JP6463656B2 JP6463656B2 (en) | 2019-02-06 |
Family
ID=57746429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015109507A Active JP6463656B2 (en) | 2015-05-29 | 2015-05-29 | Water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6463656B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030761B (en) * | 2018-06-15 | 2024-01-19 | 中国电建集团山东电力建设第一工程有限公司 | Seawater desalination detection device and use method |
| US20220097007A1 (en) * | 2019-01-28 | 2022-03-31 | Kurita Water Industries Ltd. | Chemical dosing control method |
| JP7042532B1 (en) * | 2021-01-20 | 2022-03-28 | 国立大学法人信州大学 | Filter membrane impedance measurement method and equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01228509A (en) * | 1988-03-08 | 1989-09-12 | Hitachi Ltd | Medium purifying equipment provided with membrane performance evaluation apparatus, method and equipment for evaluating membrane performance |
| CN101384342B (en) * | 2006-01-24 | 2013-07-17 | 加利福尼亚大学董事会 | Method and system for monitoring reverse osmosis membranes |
| US20130220002A1 (en) * | 2010-10-21 | 2013-08-29 | Nitto Denko Corporation | Membrane separation apparatus, membrane separation apparatus operation method, and evaluation method using the membrane separation apparatus |
| WO2014058041A1 (en) * | 2012-10-12 | 2014-04-17 | 東レ株式会社 | Method for operating reverse osmotic membrane filtration plant, and biofilm formation monitoring device |
| JP2015009174A (en) * | 2013-06-27 | 2015-01-19 | 株式会社日立製作所 | Water treatment system and water treatment method for water treatment system |
| JP6251148B2 (en) * | 2014-10-10 | 2017-12-20 | 株式会社日立製作所 | Water treatment system |
-
2015
- 2015-05-29 JP JP2015109507A patent/JP6463656B2/en active Active
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