JP2013034926A5 - - Google Patents
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- JP2013034926A5 JP2013034926A5 JP2011171644A JP2011171644A JP2013034926A5 JP 2013034926 A5 JP2013034926 A5 JP 2013034926A5 JP 2011171644 A JP2011171644 A JP 2011171644A JP 2011171644 A JP2011171644 A JP 2011171644A JP 2013034926 A5 JP2013034926 A5 JP 2013034926A5
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- concentrated water
- flow rate
- water
- reverse osmosis
- osmosis membrane
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本発明は、供給水を透過水と濃縮水とに分離する逆浸透膜モジュールと、供給水を前記逆浸透膜モジュールに供給する供給水ラインと、入力された駆動周波数に応じた回転速度で駆動され、前記供給水ラインを流通する供給水を前記逆浸透膜モジュールに向けて圧送する加圧ポンプと、透過水を前記逆浸透膜モジュールから送出する透過水ラインと、濃縮水を前記逆浸透膜モジュールから送出する濃縮水ラインと、前記濃縮水ラインを流通する濃縮水の一部を前記供給水ラインにおける前記加圧ポンプよりも上流側に還流させる濃縮水循環ラインと、前記濃縮水循環ラインにおいて濃縮水の流量を定流量に調節する流量調節手段と、前記供給水ラインにおける前記加圧ポンプよりも上流側に接続され、供給水が流通する際に生じる負圧により前記濃縮水循環ラインに還流された濃縮水を吸引し、濃縮水が混合した供給水を前記加圧ポンプに向けて送出するエゼクタと、入力された演算値信号に対応する駆動周波数を前記加圧ポンプに出力するインバータと、前記透過水ラインに設けられ、透過水の流量を検出する流量センサと、前記流量センサの検出流量値が予め設定された目標流量値となるように、前記加圧ポンプの駆動周波数を演算し、当該駆動周波数の演算値に対応する演算値信号を前記インバータに出力する制御部と、を備える逆浸透膜分離装置に関する。 The present invention includes a reverse osmosis membrane module that separates feed water into permeate and concentrated water, a feed water line that feeds feed water to the reverse osmosis membrane module, and a rotational speed that is driven by an input drive frequency. A pressure pump for pumping feed water flowing through the feed water line toward the reverse osmosis membrane module, a permeate line for sending permeate from the reverse osmosis membrane module, and concentrated water for the reverse osmosis membrane A concentrated water line sent out from the module, a concentrated water circulation line for returning a part of the concentrated water flowing through the concentrated water line to the upstream side of the pressurizing pump in the supply water line, and a concentrated water in the concentrated water circulation line A flow rate adjusting means for adjusting the flow rate of the feed water to a constant flow rate, and a negative pressure generated when the feed water flows through the feed water line connected to the upstream side of the pressurizing pump. The serial concentrated water circulation line concentrated water was returned to the suction and the ejector feed water concentrated water are mixed and sends toward the pressurizing pump, the pressure pump driving frequency corresponding to the input operation value signal An inverter that outputs to the permeated water line, a flow rate sensor that detects the flow rate of permeated water, and the pressure pump so that the detected flow rate value of the flow rate sensor becomes a preset target flow rate value. The present invention relates to a reverse osmosis membrane separation device including a control unit that calculates a driving frequency and outputs a calculated value signal corresponding to a calculated value of the driving frequency to the inverter.
Claims (5)
供給水を前記逆浸透膜モジュールに供給する供給水ラインと、
入力された駆動周波数に応じた回転速度で駆動され、前記供給水ラインを流通する供給水を前記逆浸透膜モジュールに向けて圧送する加圧ポンプと、
透過水を前記逆浸透膜モジュールから送出する透過水ラインと、
濃縮水を前記逆浸透膜モジュールから送出する濃縮水ラインと、
前記濃縮水ラインを流通する濃縮水の一部を前記供給水ラインにおける前記加圧ポンプよりも上流側に還流させる濃縮水循環ラインと、
前記濃縮水循環ラインにおいて濃縮水の流量を定流量に調節する流量調節手段と、
前記供給水ラインにおける前記加圧ポンプよりも上流側に接続され、供給水が流通する際に生じる負圧により前記濃縮水循環ラインに還流された濃縮水を吸引し、濃縮水が混合した供給水を前記加圧ポンプに向けて送出するエゼクタと、
入力された演算値信号に対応する駆動周波数を前記加圧ポンプに出力するインバータと、
前記透過水ラインに設けられ、透過水の流量を検出する流量センサと、
前記流量センサの検出流量値が予め設定された目標流量値となるように、前記加圧ポンプの駆動周波数を演算し、当該駆動周波数の演算値に対応する演算値信号を前記インバータに出力する制御部と、
を備える逆浸透膜分離装置。 A reverse osmosis membrane module that separates supply water into permeate and concentrated water;
A supply water line for supplying supply water to the reverse osmosis membrane module;
A pressurizing pump that is driven at a rotational speed according to the input driving frequency and pumps the feed water flowing through the feed water line toward the reverse osmosis membrane module;
A permeate line for delivering permeate from the reverse osmosis membrane module;
A concentrated water line for delivering concentrated water from the reverse osmosis membrane module;
A concentrated water circulation line for refluxing a part of the concentrated water flowing through the concentrated water line upstream of the pressurizing pump in the supply water line;
A flow rate adjusting means for adjusting the flow rate of the concentrated water to a constant flow rate in the concentrated water circulation line;
Connected to the upstream side of the pressurizing pump in the supply water line, the concentrated water returned to the concentrated water circulation line is sucked by the negative pressure generated when the supply water flows, and the supply water mixed with the concentrated water is An ejector for delivery to the pressurizing pump;
An inverter that outputs a driving frequency corresponding to the input operation value signal to the pressurizing pump;
A flow rate sensor that is provided in the permeate line and detects a permeate flow rate;
Control that calculates the drive frequency of the pressurizing pump so that the detected flow value of the flow sensor becomes a preset target flow value, and outputs a calculated value signal corresponding to the calculated value of the drive frequency to the inverter And
A reverse osmosis membrane separation apparatus.
請求項１に記載の逆浸透膜分離装置。 The flow rate adjusting means is a constant flow valve;
The reverse osmosis membrane separation apparatus according to claim 1.
装置外へ排出される濃縮水の排水流量を調節可能な排水弁とを備え、
前記制御部は、（ｉ）予め取得された供給水のシリカ濃度、及び前記温度検出手段の検出温度値から決定したシリカ溶解度に基づいて、濃縮水におけるシリカの許容濃縮倍率を演算し、（ｉｉ）当該許容濃縮倍率の演算値、及び透過水の前記目標流量値から排水流量を演算し、（ｉｉｉ）濃縮水の実際排水流量が当該排水流量の演算値となるように、前記排水弁を制御する、
請求項１又は２に記載の逆浸透膜分離装置。 Temperature detection means for detecting the temperature of the supply water, permeate or concentrated water;
With a drain valve that can adjust the drainage flow of concentrated water discharged outside the device,
The controller calculates (i) an allowable concentration rate of silica in the concentrated water based on the silica concentration determined from the silica concentration of the feed water acquired in advance and the detected temperature value of the temperature detecting means, and (ii) ) Calculate the drainage flow rate from the calculated value of the permissible concentration rate and the target flow rate value of the permeated water, and (iii) control the drainage valve so that the actual drainage flow rate of the concentrated water becomes the calculated value of the drainage flow rate. To
The reverse osmosis membrane separation apparatus according to claim 1 or 2.
装置外へ排出される濃縮水の排水流量を調節可能な排水弁とを備え、
前記制御部は、（ｉ）予め取得された炭酸カルシウム溶解度、及び前記硬度測定手段の測定硬度値に基づいて、濃縮水における炭酸カルシウムの許容濃縮倍率を演算し、（ｉｉ）当該許容濃縮倍率の演算値、及び透過水の前記目標流量値から排水流量を演算し、（ｉｉｉ）濃縮水の実際排水流量が当該排水流量の演算値となるように、前記排水弁を制御する、
請求項１又は２に記載の逆浸透膜分離装置。 A hardness measuring means for measuring the calcium hardness of the feed water;
With a drain valve that can adjust the drainage flow of concentrated water discharged outside the device,
The control unit calculates (i) an allowable concentration rate of calcium carbonate in concentrated water based on (i) the calcium carbonate solubility acquired in advance and the measured hardness value of the hardness measuring means, and (ii) the allowable concentration rate Calculate the drainage flow rate from the calculated value and the target flow rate value of the permeated water, and (iii) control the drainage valve so that the actual drainage flow rate of the concentrated water becomes the calculated value of the drainage flow rate.
The reverse osmosis membrane separation apparatus according to claim 1 or 2.
装置外へ排出される濃縮水の排水流量を調節可能な排水弁とを備え、
前記制御部は、前記電気伝導率測定手段の測定電気伝導率値が予め設定された目標電気伝導率値となるように、前記排水弁からの排水流量を制御する、
請求項１又は２に記載の逆浸透膜分離装置。 Electrical conductivity measuring means for measuring the electrical conductivity of the permeated water;
With a drain valve that can adjust the drainage flow of concentrated water discharged outside the device,
The control unit controls the flow rate of drainage from the drainage valve so that the measured electrical conductivity value of the electrical conductivity measuring unit becomes a preset target electrical conductivity value.
The reverse osmosis membrane separation apparatus according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011171644A JP5853479B2 (en) | 2011-08-05 | 2011-08-05 | Reverse osmosis membrane separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011171644A JP5853479B2 (en) | 2011-08-05 | 2011-08-05 | Reverse osmosis membrane separator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013034926A JP2013034926A (en) | 2013-02-21 |
| JP2013034926A5 true JP2013034926A5 (en) | 2013-11-21 |
| JP5853479B2 JP5853479B2 (en) | 2016-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011171644A Active JP5853479B2 (en) | 2011-08-05 | 2011-08-05 | Reverse osmosis membrane separator |
Country Status (1)
| Country | Link |
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| JP (1) | JP5853479B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6033118B2 (en) * | 2013-02-26 | 2016-11-30 | 三菱重工業株式会社 | Reverse osmosis membrane device |
| CN104045174B (en) * | 2013-03-13 | 2015-12-16 | 美的集团股份有限公司 | Water purifying and filtering device |
| JP6107287B2 (en) * | 2013-03-25 | 2017-04-05 | 三浦工業株式会社 | Water treatment equipment |
| JP5518245B1 (en) | 2013-12-05 | 2014-06-11 | 三菱重工業株式会社 | Remote monitoring method and system for circulating water utilization system group |
| JP5512032B1 (en) | 2013-12-05 | 2014-06-04 | 三菱重工業株式会社 | Circulating water usage system charging device, circulating water usage system |
| JP5563142B1 (en) | 2013-12-05 | 2014-07-30 | 三菱重工業株式会社 | Circulating water utilization system |
| JP5567199B1 (en) | 2013-12-05 | 2014-08-06 | 三菱重工業株式会社 | Circulating water utilization system |
| JP5606615B1 (en) * | 2013-12-05 | 2014-10-15 | 三菱重工業株式会社 | Membrane separator, circulating water utilization system |
| KR101903837B1 (en) * | 2015-08-20 | 2018-10-04 | 주식회사 시노펙스 | renewable energy based micro grid integrated and lnterlocking system |
| CN109336275A (en) * | 2018-11-30 | 2019-02-15 | 佛山市云米电器科技有限公司 | A kind of reverse osmosis household water purifier and domestic water purifying machine of stable water delivery |
| WO2020120829A1 (en) * | 2018-12-14 | 2020-06-18 | Emp-Innovations Oy | Arrangement in cross-flow membrane separation unit |
| JP7250325B2 (en) * | 2019-05-28 | 2023-04-03 | 株式会社ササクラ | Membrane distillation system |
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| JPS52124477A (en) * | 1976-04-14 | 1977-10-19 | Hitachi Ltd | Tubular separator equipped washing device of membrane |
| JPH0679144A (en) * | 1992-09-05 | 1994-03-22 | Nitto Denko Corp | Method for operating membrane separation device and membrane separation device |
| JP2006305499A (en) * | 2005-04-28 | 2006-11-09 | Miura Co Ltd | Operating method of membrane filtration system |
| JP2006305500A (en) * | 2005-04-28 | 2006-11-09 | Miura Co Ltd | Water treatment method |
| JP4687249B2 (en) * | 2005-05-31 | 2011-05-25 | 三浦工業株式会社 | Water treatment system |
| US20090134080A1 (en) * | 2005-10-20 | 2009-05-28 | Marcus John Fabig | Purified Water Production and Distribution System |
| JP2008237972A (en) * | 2007-03-26 | 2008-10-09 | Miura Co Ltd | Membrane filtration system |
| JP5067299B2 (en) * | 2008-07-25 | 2012-11-07 | 三浦工業株式会社 | Membrane filtration system and method of operating membrane filtration system |
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