JP6232086B2 - 機能水製造装置及び機能水製造方法 - Google Patents
機能水製造装置及び機能水製造方法 Download PDFInfo
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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Description
本発明の機能水製造装置において、前記減圧弁から流出される前記超純水の水圧は、前記減圧弁に供給される超純水の水圧よりも、20kPa〜200kPa低いことが好ましい。また、前記溶解装置への前記超純水の給水圧は、235kPa〜265kPaであることが好ましい。
本発明の機能水製造方法においては、さらに、生成された前記機能水の水圧を測定する水圧測定工程を備え、前記加圧工程を経た前記超純水の水圧が所定の水圧に維持されるように、前記水圧測定工程における測定値に基づいて前記加圧工程における加圧量を制御することが好ましい。
図1は、本実施形態の機能水製造装置1を概略的に示すブロック図である。
減圧弁(セキスイ社製、TYPE755)及び給水ポンプ(レヴィトロ二クス社製、BPS−600)を順に用い、超純水を、水素ガスを溶解させる溶解装置(中空糸膜式溶解装置、型番G284、メンブラーナ社製)に給水した。この溶解装置に超純水を流量20L/minで供給し、製造される水素水中の水素濃度を1.2mg/Lに設定して水素ガスを供給し、水素水を製造した。水素ガスの供給流量は290mL/minであった。水素水の水圧を水圧センサーで測定し、給水ポンプの吐出圧が0.25MPaになるように給水ポンプの吐出圧をフィードバック制御した。減圧弁の超純水の流出圧を0.2MPaに設定した。減圧弁への超純水の供給圧は、0.24MPaの略一定にしておき、一時的に低下させた後、増加させて、減圧弁出口側の超純水の水圧(=給水ポンプ入り口側の超純水の水圧)及び溶解装置から流出される水素水の水圧変動を調べた。結果を図5に示す。
減圧弁を用いずに、給水ポンプのみを用いた他は実施例1と同様に、超純水を溶解装置に給水した。この際、給水ポンプの吐出圧が0.25MPaになるように給水ポンプの吐出圧をフィードバック制御した。給水ポンプへの超純水の供給圧を0.2MPaの略一定にしておき、ここから、約5秒間、一時的に低下させて、この際の水素水の水圧の変動を調べた。結果を図6に示す。
減圧弁を用いずに、給水ポンプのみを用いた他は実施例1と同様に、超純水を溶解装置に給水した。この際、給水ポンプの吐出圧が0.25MPaになるように給水ポンプの吐出圧をフィードバック制御した。給水ポンプへの超純水の供給圧を0.2MPaの略一定にしておき、ここから、約50秒間、一時的に低下させた後、増加させて、水素水の水圧の変動を調べた。結果を図7に示す。
実施例1と同様の減圧弁及び給水ポンプを順に用い、超純水を、実施例1と同様の溶解装置に給水し、実施例1と同様に超純水に水素ガスを溶解させて水素水を製造した。水素水の水圧を水圧センサーで測定し、給水ポンプの吐出圧が0.25MPaになるように給水ポンプの吐出圧をフィードバック制御した。減圧弁への超純水の供給圧は、0.25MPaの略一定にしておき、段階的に徐々に0.19MPaまで低下させた後、増加させて、0.25MPaに戻した。この際の、減圧弁出口側の超純水の水圧(=給水ポンプ入り口側の超純水の水圧)及び溶解装置から流出される水素水の水圧変動を調べた。結果を図8に示す。
実施例1と同様の減圧弁及び給水ポンプを順に用い、超純水を、実施例1と同様の溶解装置に給水し、実施例1と同様に超純水に水素ガスを溶解させて水素水を製造した。水素水の水圧を水圧センサーで測定し、給水ポンプの吐出圧が0.25MPaになるように給水ポンプの吐出圧をフィードバック制御した。減圧弁の流出圧は0.2MPaに設定した。減圧弁への超純水の供給圧は、0.25MPaの略一定にしておき、段階的に徐々に0.19MPaまで低下させた後、増加させて、0.25MPaに戻した。この際の、減圧弁出口側の超純水の水圧(=給水ポンプ入り口側の超純水の水圧)及び溶解装置から流出される水素水の水圧変動を調べた。結果を図9に示す。
Claims (14)
- 超純水製造装置から供給される超純水に機能性ガスを溶解せて機能水を製造し、供給する機能水製造装置であって、
前記超純水の水圧を低下させて略一定に保つ減圧弁と、
前記減圧弁で水圧の低下された前記超純水を加圧する加圧量の調整可能な給水ポンプと、
前記給水ポンプで加圧された前記超純水に前記機能性ガスを溶解させて前記機能水を製造する溶解装置と
を備えることを特徴とする機能水製造装置。 - 超純水製造装置から供給される超純水に機能性ガスを溶解せて機能水を製造し、供給する機能水製造装置であって、
前記超純水を加圧する加圧量の調整可能な給水ポンプと、
前記給水ポンプで加圧された前記超純水の水圧を低下させて略一定に保つ減圧弁と、
前記減圧弁で水圧の低下された前記超純水に前記機能性ガスを溶解させて前記機能水を製造する溶解装置と
を備えることを特徴とする機能水製造装置。 - 前記超純水製造装置は、超純水を超純水製造装置の末端から上流に循環させる循環配管を有し、
前記循環配管には複数の超純水の使用場所が接続され、
前記機能水製造装置は前記循環配管に接続されて、前記循環配管を介して前記機能水製造装置に超純水が供給されることを特徴とする請求項1又は2に記載の機能水製造装置。 - 前記超純水製造装置から供給される前記超純水の水圧が変動することを特徴とする請求項1乃至3のいずれか1項に記載の機能水製造装置。
- 前記減圧弁から流出される前記超純水の水圧は、前記減圧弁に供給される超純水の水圧よりも、20kPa〜200kPa低いことを特徴とする請求項1乃至4のいずれか1項記載の機能水製造装置。
- 前記溶解装置への前記超純水の給水圧は、235kPa〜265kPaであること特徴とする請求項1乃至5のいずれか1項記載の機能水製造装置。
- 前記給水ポンプは、遠心型の渦巻ポンプであることを特徴とする請求項1乃至6のいずれか1項記載の機能水製造装置。
- さらに、前記機能水の水圧を測定して測定値を出力する水圧センサーと、
前記給水ポンプの吐出圧が所定の水圧に維持されるように、前記水圧センサーの出力に基づいて前記給水ポンプの加圧量を制御する制御装置と
を備えることを特徴とする請求項1乃至7のいずれか1項に記載の機能水製造装置。 - 前記機能性ガスは水素ガスであることを特徴とする請求項1乃至8のいずれか1項記載の機能水製造装置。
- 超純水製造装置から供給される超純水に機能性ガスを溶解せて機能水を製造する機能水製造方法であって、
前記超純水の水圧を低下させて略一定に保つ減圧工程と、
前記減圧工程で水圧の低下された前記超純水を加圧する加圧工程と、
加圧された前記超純水に前記機能性ガスを溶解させて前記機能水を製造する溶解工程と
を備えることを特徴とする機能水製造方法。 - 超純水製造装置から供給される超純水に機能性ガスを溶解せて機能水を製造する機能水製造方法であって、
前記超純水を加圧する加圧工程と、
前記加圧工程で加圧された前記超純水の水圧を低下させて略一定に保つ減圧工程と、
前記減圧工程で水圧の低下された前記超純水に前記機能性ガスを溶解させて前記機能水を製造する溶解工程と
を備えることを特徴とする機能水製造方法。 - 前記超純水は、循環配管を介して前記超純水製造装置の末端から上流に循環されるとともに、前記循環配管に接続された複数の超純水の使用場所に供給され、
前記循環配管を介して前記機能水製造装置に前記超純水が供給されることを特徴とする請求項10又は11に記載の機能水製造方法。 - 前記超純水製造装置から供給される前記超純水の水圧が変動することを特徴とする請求項10乃至12のいずれか1項に記載の機能水製造方法。
- さらに、生成された前記機能水の水圧を測定する水圧測定工程を備え、
前記加圧工程を経た前記超純水の水圧が所定の水圧に維持されるように、前記水圧測定工程における測定値に基づいて前記加圧工程における加圧量を制御する
ことを特徴とする請求項10乃至13のいずれか1項記載の機能水製造方法。
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