JPH0639374A - Water softening apparatus having regenerating function - Google Patents
Water softening apparatus having regenerating functionInfo
- Publication number
- JPH0639374A JPH0639374A JP19936592A JP19936592A JPH0639374A JP H0639374 A JPH0639374 A JP H0639374A JP 19936592 A JP19936592 A JP 19936592A JP 19936592 A JP19936592 A JP 19936592A JP H0639374 A JPH0639374 A JP H0639374A
- Authority
- JP
- Japan
- Prior art keywords
- water
- tank
- exchange resin
- cation exchange
- diaphragm
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/46185—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only anodic or acidic water, e.g. for oxidizing or sterilizing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、軟水槽に陽イオン交換
樹脂を内蔵して、水の硬度を低下させる再生機能を有す
る軟水器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water softener having a regeneration function for reducing the hardness of water by incorporating a cation exchange resin in a soft water tank.
【０００２】[0002]
【従来の技術】水の硬度を低下させるため、一般に強酸
性の陽イオン交換樹脂が用いられている。陽イオン交換
樹脂は、スチレンとジビニルベンゼンの共重合物の如く
水に不溶性の高分子に、イオン交換基としてスルホン
基、カルボキシル基、ホスホン基、アルソン基、フェノ
ール性水酸基などが結合した樹脂である。2. Description of the Related Art Generally, a strongly acidic cation exchange resin is used to reduce the hardness of water. The cation exchange resin is a resin in which a sulfone group, a carboxyl group, a phosphone group, an arsone group, a phenolic hydroxyl group or the like is bonded as an ion exchange group to a water-insoluble polymer such as a copolymer of styrene and divinylbenzene. .
【０００３】上記のイオン交換基を有する陽イオン交換
樹脂の中で、スルホン基を有する陽イオン交換樹脂を一
例にして水の硬度低下作用について説明する。陽イオン
交換樹脂は、次の反応式に示す如く水の硬度成分である
カルシウムイオンとマグネシウムイオンを除去すること
ができる。Among the above cation exchange resins having an ion exchange group, a cation exchange resin having a sulfone group will be taken as an example to explain the action of decreasing the hardness of water. The cation exchange resin can remove calcium ion and magnesium ion which are hardness components of water as shown in the following reaction formula.
【０００４】 ２Ｒ−ＳＯ3 Ｈ ＋Ｃａ2+ →（Ｒ−ＳＯ3 ）2 Ｃａ
＋２Ｈ+ ２Ｒ−ＳＯ3 Ｈ ＋Ｍｇ2+ →（Ｒ−ＳＯ3 ）2 Ｍｇ
＋２Ｈ+ しかし、上の反応式に示す如く水の硬度成分であるカル
シウムイオンおよびマグネシウムイオンが、イオン交換
基の水素イオンと置換すると陽イオン交換樹脂は、水の
硬度を低下させる機能を失う。そこで、陽イオン交換の
活性を失った陽イオン交換樹脂のカルシウムイオンとマ
グネシウムイオンを水素イオンに置き換える、陽イオン
交換樹脂の再生が必要である。2R-SO 3 H + Ca 2+ → (R-SO 3 ) 2 Ca
+ 2H + 2R-SO 3 H + Mg 2+ → (R-SO 3) 2 Mg
+ 2H + However, as shown in the above reaction formula, when calcium ions and magnesium ions, which are hardness components of water, are replaced with hydrogen ions of ion exchange groups, the cation exchange resin loses the function of lowering the hardness of water. Therefore, it is necessary to regenerate the cation exchange resin by replacing the calcium ion and magnesium ion of the cation exchange resin having lost the cation exchange activity with hydrogen ion.
【０００５】ところで、上記の陽イオン交換樹脂の再生
機構を有する軟水器としては、 硫酸、塩酸などの酸を陽イオン交換樹脂に流すもの、 硫酸、塩酸などの酸を流した状態で電気分解するも
の、 等が知られている。By the way, as the water softener having the above-mentioned cation-exchange resin regeneration mechanism, an acid such as sulfuric acid or hydrochloric acid is passed through the cation-exchange resin, or electrolysis is carried out in the state where an acid such as sulfuric acid or hydrochloric acid is passed. Things, etc. are known.
【０００６】しかし、上記のような再生機構を有する軟
水器は、硫酸、塩酸などの酸の添加が必要となり、硫
酸、塩酸などの酸の使用に際して安全面および排水処理
面に問題があり、例えば家庭等における利用には実用的
でない。However, the water softener having the above-mentioned regeneration mechanism requires the addition of acids such as sulfuric acid and hydrochloric acid, and there are problems in safety and wastewater treatment when using acids such as sulfuric acid and hydrochloric acid. It is not practical for home use.
【０００７】[0007]
【発明が解決しようとする課題】したがって、本発明の
課題は、硫酸、塩酸などの酸の添加が不要で、陽イオン
交換樹脂を容易に再生でき、簡単且つ安全に利用できる
実用性の高い再生機能を有する軟水器を提供する点にあ
る。SUMMARY OF THE INVENTION Therefore, the object of the present invention is to regenerate a cation exchange resin easily without adding acid such as sulfuric acid and hydrochloric acid, and to recycle the cation exchange resin with high practicality. The point is to provide a water softener having a function.
【０００８】[0008]
【課題を解決するための手段】本発明の再生機能を有す
る軟水器は、（１）電気分解器１と軟水器２から構成さ
れた、水の硬度を低下させる軟水器であって、（２）上
記電気分解器１は電気分解槽１６を備え、（３）上記電
気分解槽１６内には陽極３と陰極４の間に隔膜５を備
え、（４）上記隔膜５を境にして陽極３側を酸性水槽６
とし、（５）上記隔膜５を境にして陰極４側をアルカリ
性水槽７とし、（６）上記軟水器２は軟水槽１７とこの
軟水槽１７に内蔵された陽イオン交換樹脂１１とから構
成され、さらに、（７）上記酸性水槽６と軟水槽１７が
連通されていることを特徴とする。A water softener having a regenerating function of the present invention is (1) a water softener which comprises an electrolyzer 1 and a water softener 2 and which lowers the hardness of water. ) The electrolyzer 1 is provided with an electrolysis tank 16, (3) a diaphragm 5 is provided between the anode 3 and the cathode 4 in the electrolysis tank 16, and (4) the anode 3 with the diaphragm 5 as a boundary. Side of acidic water tank 6
(5) The cathode 4 side is an alkaline water tank 7 with the diaphragm 5 as a boundary, and (6) the water softener 2 is composed of a water softener 17 and a cation exchange resin 11 contained in the water softener 17. Further, (7) the acidic water tank 6 and the soft water tank 17 are communicated with each other.
【０００９】[0009]
【作用】本発明の再生機能を有する軟水器を構成する電
気分解器１において、水を電気分解した際に次の反応が
起こる。In the electrolyzer 1 constituting the water softener having the regeneration function of the present invention, the following reaction occurs when water is electrolyzed.
【００１０】 陽極３では、 ２ＯＨ- →２Ｈ+ ＋４ｅ- ＋Ｏ2 ↑ 陰極４では、 ２Ｈ+ ＋２ｅ- → Ｈ2 ↑ 陽極３側では、水素イオンが発生するため酸性水が生成
される。陰極４側では、水素イオン濃度が減少するので
アルカリ性水が生成される。At the anode 3, 2OH − → 2H + + 4e − + O 2 ↑ At the cathode 4, 2H + + 2e − → H 2 ↑ At the anode 3 side, hydrogen ions are generated, so that acidic water is generated. On the cathode 4 side, the hydrogen ion concentration decreases, so alkaline water is generated.
【００１１】陽極３と陰極４の間に隔膜５を備えるの
で、電気分解によって発生した、上記酸性水とアルカリ
性水が隔膜５で分離され、上記隔膜５を境にして陽極３
側の酸性水槽６に酸性水が生成し、また、上記隔膜５を
境にして陰極４側のアルカリ性水槽７にアルカリ性水が
生成する。Since the diaphragm 5 is provided between the anode 3 and the cathode 4, the acidic water and alkaline water generated by electrolysis are separated by the diaphragm 5, and the anode 5 is separated by the diaphragm 5 as a boundary.
Acidic water is generated in the acidic water tank 6 on the side, and alkaline water is generated in the alkaline water tank 7 on the side of the cathode 4 with the diaphragm 5 as a boundary.
【００１２】軟水器２は軟水槽１７に陽イオン交換樹脂
１１が内蔵されており、酸性水槽６と軟水槽１７が連通
されているので、電気分解によって発生した酸性水をイ
オン交換基の活性を失った陽イオン交換樹脂１１を内蔵
する軟水槽１７に通すと、軟水槽１７に内蔵された陽イ
オン交換樹脂１１が陽イオン交換の活性をとりもどし、
陽イオン交換樹脂１１の再生をすることができる。下の
反応式は、スルホン基を有する陽イオン交換樹脂１１を
一例として、示したものである。In the water softener 2, the cation exchange resin 11 is built in the soft water tank 17, and the acidic water tank 6 and the soft water tank 17 are connected to each other, so that the acidic water generated by electrolysis can be activated by the ion exchange group. When the lost cation exchange resin 11 is passed through the soft water tank 17 containing the cation exchange resin 11, the cation exchange resin 11 contained in the soft water tank 17 restores the cation exchange activity,
The cation exchange resin 11 can be regenerated. The reaction formula below shows the cation exchange resin 11 having a sulfone group as an example.
【００１３】 （Ｒ−ＳＯ3 ）2 Ｃａ ＋２Ｈ+ →２Ｒ−ＳＯ3 Ｈ ＋
Ｃａ2+ （Ｒ−ＳＯ3 ）2 Ｍｇ ＋２Ｈ+ →２Ｒ−ＳＯ3 Ｈ ＋
Ｍｇ2+ (R-SO 3 ) 2 Ca + 2H + → 2R-SO 3 H +
Ca 2+ (R-SO 3 ) 2 Mg + 2H + → 2R-SO 3 H +
Mg 2+
【００１４】[0014]
【実施例】以下、本発明を実施例に係る図面に基づいて
詳しく説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings according to the embodiments.
【００１５】図１は本発明の一実施例に係る再生機能を
有する軟水器の断面図である。本発明の再生機能を有す
る軟水器は、電気分解器１を備える。この電気分解器１
は電気分解槽１６の内部に形成された陽極３と陰極４、
この陽極３と陰極４の間に設けられた隔膜５、隔膜５を
境にして陽極３側の酸性水槽６、および、隔膜５を境に
して陰極４側のアルカリ性水槽７とで構成する。ここ
で、電気分解槽１６は円筒型でも角型でもよい。電気分
解槽１６の下部側面には開閉自在な電磁弁１２を備えた
配水管９が設けられている。また、電気分解槽１６の上
部には給水管８を備えている。FIG. 1 is a sectional view of a water softener having a regeneration function according to an embodiment of the present invention. A water softener having a regeneration function of the present invention includes an electrolyzer 1. This electrolyzer 1
Is an anode 3 and a cathode 4 formed inside the electrolysis tank 16,
It comprises a diaphragm 5 provided between the anode 3 and the cathode 4, an acidic water tank 6 on the anode 3 side with the diaphragm 5 as a boundary, and an alkaline water tank 7 on the cathode 4 side with the diaphragm 5 as a boundary. Here, the electrolysis tank 16 may be cylindrical or rectangular. A water pipe 9 having a solenoid valve 12 that can be opened and closed is provided on the lower side surface of the electrolysis tank 16. Further, a water supply pipe 8 is provided above the electrolysis tank 16.
【００１６】本発明の再生機能を有する軟水器は、さら
に電気分解槽１６の下部底面に接続された供給管１０を
介して軟水槽１７を備えている。この軟水器２は軟水槽
１７と軟水槽１７に内蔵された陽イオン交換樹脂１１か
らなる。この陽イオン交換樹脂１１としては、例えば、
スルホン基を持つ強酸性型のイオン交換樹脂であれば、
酸性水である限り、水のｐＨの大小にかかわらず再生で
きるので好ましい。The water softener having a regeneration function of the present invention further includes a water softener 17 via a supply pipe 10 connected to the lower bottom surface of the electrolysis tank 16. The water softener 2 comprises a soft water tank 17 and a cation exchange resin 11 contained in the soft water tank 17. As the cation exchange resin 11, for example,
If it is a strong acid type ion exchange resin having a sulfone group,
Acidic water is preferable because it can be regenerated regardless of the pH of the water.
【００１７】また、上記軟水槽１７の下部底面には、三
方弁１３を備えた出水管１４と排水管１５が設けられて
いる。上記出水管１４と排水管１５は三方弁１３の所で
分かれている。A water outlet pipe 14 having a three-way valve 13 and a drain pipe 15 are provided on the bottom bottom surface of the soft water tank 17. The water pipe 14 and the drain pipe 15 are separated at the three-way valve 13.
【００１８】硬水を軟水化するとき、硬度処理の必要な
水は、電気分解槽１６の上部の給水管８、電気分解槽１
６の酸性水槽６、電気分解槽１６の下部底面の軟水槽１
７に通じる供給管１０を通って、軟水槽１７の内部に入
る。軟水槽１７の内部の陽イオン交換樹脂１１と水とが
接触して、水中のカルシウムイオンとマグネシウムイオ
ンが除去され、水の硬度が低下され、三方弁１３を通
り、三方弁１３を備えた出水管１４より、軟水として供
給される。なお、このとき水の電気分解を起こす必要は
ないので、電気分解槽１６の内部の陽極３と陰極４には
電圧は印加せず、電磁弁１２は閉じた状態にある。When softening hard water, the water that needs hardness treatment is supplied to the water supply pipe 8 above the electrolysis tank 16 and the electrolysis tank 1.
6, the acidic water tank 6 and the electrolysis tank 16 at the bottom bottom of the soft water tank 1
It enters into the inside of the soft water tank 17 through the supply pipe 10 leading to 7. The cation exchange resin 11 inside the soft water tank 17 comes into contact with water to remove calcium ions and magnesium ions in the water, the hardness of the water is lowered, the water passes through the three-way valve 13, and the three-way valve 13 is provided. It is supplied as soft water from the water pipe 14. At this time, since it is not necessary to electrolyze water, no voltage is applied to the anode 3 and the cathode 4 inside the electrolysis tank 16, and the solenoid valve 12 is in a closed state.
【００１９】軟水槽１７の内部の陽イオン交換の活性を
失った陽イオン交換樹脂１１の再生するとき、陽極３と
陰極４に電圧を印加し、給水管８より電気分解槽１６中
の水を電気分解し、酸性水とアルカリ性水を生成する。
軟水槽１７の内部の陽イオン交換樹脂１１の再生に必要
となる、生成した酸性水は、酸性水槽６を出て、電気分
解槽１６の下部の供給管１０を通り抜け、軟水槽１７に
入り、陽イオン交換樹脂１１の再生をする。再生終了後
の排水は、三方弁１３の所で出水管１４を通らず、排水
管１５から捨てられる。再生に不要なアルカリ性水は、
開閉自在な電磁弁１２を備えた配水管９から排出され
る。When the cation exchange resin 11 that has lost the cation exchange activity inside the soft water tank 17 is regenerated, a voltage is applied to the anode 3 and the cathode 4, and the water in the electrolysis tank 16 is removed from the water supply pipe 8. Electrolyzes to produce acidic water and alkaline water.
The generated acidic water required for regeneration of the cation exchange resin 11 inside the soft water tank 17 exits the acidic water tank 6, passes through the supply pipe 10 below the electrolysis tank 16, and enters the soft water tank 17. The cation exchange resin 11 is regenerated. The drainage after completion of regeneration does not pass through the water discharge pipe 14 at the three-way valve 13 and is discharged from the drainage pipe 15. Alkaline water that is unnecessary for regeneration,
It is discharged from a water pipe 9 equipped with a solenoid valve 12 that can be opened and closed.
【００２０】[0020]
【発明の効果】本発明の再生機能を有する軟水器による
と、軟水器は軟水槽に陽イオン交換樹脂が内蔵され、酸
性水槽と軟水槽が連通されているので、電気分解によっ
て発生した酸性水を陽イオン交換の活性を失った陽イオ
ン交換樹脂を内蔵する軟水槽に通すと、陽イオン交換の
活性を取戻し、陽イオン交換樹脂を容易に再生をするこ
とができ、硫酸、塩酸などの酸の添加が不要で、簡単且
つ安全に利用でき、特に家庭用として、実用的である。According to the water softener having a regenerating function of the present invention, the water softener has a cation exchange resin built in the soft water tank, and the acidic water tank and the soft water tank are in communication with each other. When the cation exchange resin is passed through a soft water tank containing a cation exchange resin that has lost cation exchange activity, the cation exchange activity can be restored and the cation exchange resin can be easily regenerated. It is simple and safe to use, and is practical, especially for household use.
【図１】本発明の実施例に係る再生機能を有する軟水器
の断面図である。FIG. 1 is a sectional view of a water softener having a regeneration function according to an embodiment of the present invention.
１ 電気分解器 ２ 軟水器 ３ 陽極 ４ 陰極 ５ 隔膜 ６ 酸性水槽 ７ アルカリ性水槽 ８ 給水管 ９ 配水管 １０ 供給管 １１ 陽イオン交換樹脂 １２ 電磁弁 １３ 三方弁 １４ 出水管 １５ 排水管 １６ 電気分解槽 １７ 軟水槽 DESCRIPTION OF SYMBOLS 1 Electrolyzer 2 Water softener 3 Anode 4 Cathode 5 Diaphragm 6 Acidic water tank 7 Alkaline water tank 8 Water supply pipe 9 Water distribution pipe 10 Supply pipe 11 Cation exchange resin 12 Solenoid valve 13 Three-way valve 14 Water discharge pipe 15 Drainage pipe 16 Electrolysis tank 17 Soft water tank
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年９月２日[Submission date] September 2, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】請求項２[Name of item to be corrected] Claim 2
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００１[Correction target item name] 0001
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００１】本発明は、軟水槽に陽イオン交換樹脂を内
蔵して、水の硬度を低下させる、再生機能を有する軟水
器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water softener having a regeneration function, which contains a cation exchange resin in a soft water tank to reduce the hardness of water.
【手続補正３】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００２[Name of item to be corrected] 0002
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００２】水の硬度を低下させるため、一般に陽イオ
ン交換樹脂が用いられている。陽イオン交換樹脂は、ス
チレンとジビニルベンゼンの共重合物の如く水に不溶性
の高分子に、イオン交換基としてスルホン基、カルボキ
シル基、ホスホン基、アルソン基、フェノール性水酸基
などが結合した樹脂である。In order to reduce the hardness of water, it is common to use
Resin is used. The cation exchange resin is a resin in which a sulfone group, a carboxyl group, a phosphone group, an arsone group, a phenolic hydroxyl group or the like is bonded as an ion exchange group to a water-insoluble polymer such as a copolymer of styrene and divinylbenzene. .
【手続補正４】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１６[Correction target item name] 0016
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１６】本発明の再生機能を有する軟水器は、さら
に電気分解槽１６の下部底面に接続された供給管１０を
介して軟水器２を備えている。この軟水器２は軟水槽１
７と軟水槽１７に内蔵された陽イオン交換樹脂１１から
なる。この陽イオン交換樹脂１１としては、例えば、ス
ルホン基を持つ強酸型のイオン交換樹脂であれば、酸性
水である限り、水のｐＨの大小にかかわらず再生できる
ので好ましい。The water softener having a regenerating function of the present invention further includes a water softener 2 via a supply pipe 10 connected to the lower bottom surface of the electrolysis tank 16. This water softener 2 is a soft water tank 1
7 and a cation exchange resin 11 contained in a soft water tank 17. As the cation exchange resin 11, for example, a strong acid type ion exchange resin having a sulfone group is preferable as long as it is acidic water, it can be regenerated regardless of the pH of the water.
Claims (2)
れた、水の硬度を低下させる軟水器であって、（２）上
記電気分解器１は電気分解槽１６を備え、（３）上記電
気分解槽１６内には陽極３と陰極４の間に隔膜５を備
え、（４）上記隔膜５を境にして陽極３側を酸性水槽６
とし、（５）上記隔膜５を境にして陰極４側をアルカリ
性水槽７とし、（６）上記軟水器２は軟水槽１７とこの
軟水槽１７に内蔵された陽イオン交換樹脂１１とから構
成され、さらに、（７）上記酸性水槽６と軟水槽１７が
連通されていることを特徴とする再生機能を有する軟水
器。(1) A water softener for reducing the hardness of water, which comprises an electrolyzer 1 and a water softener 2. (2) The electrolyzer 1 comprises an electrolyzer tank 16; 3) The electrolysis tank 16 is provided with a diaphragm 5 between the anode 3 and the cathode 4, and (4) with the diaphragm 5 as a boundary, the side of the anode 3 is an acidic water tank 6
(5) The cathode 4 side is an alkaline water tank 7 with the diaphragm 5 as a boundary, and (6) the water softener 2 is composed of a water softener 17 and a cation exchange resin 11 contained in the water softener 17. Further, (7) a water softener having a regeneration function, characterized in that the acidic water tank 6 and the soft water tank 17 are communicated with each other.
型のイオン交換樹脂であることを特徴とする請求項１記
載の再生機能を有する軟水器。2. A water softener having a regeneration function according to claim 1, wherein (1) the cation exchange resin 11 is a strongly acidic ion exchange resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19936592A JPH0639374A (en) | 1992-07-27 | 1992-07-27 | Water softening apparatus having regenerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19936592A JPH0639374A (en) | 1992-07-27 | 1992-07-27 | Water softening apparatus having regenerating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0639374A true JPH0639374A (en) | 1994-02-15 |
Family
ID=16406548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19936592A Pending JPH0639374A (en) | 1992-07-27 | 1992-07-27 | Water softening apparatus having regenerating function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101277126B1 (en) * | 2010-05-10 | 2013-06-20 | 미우라고교 가부시키카이샤 | Method for operating ion exchange equipment and ion exchange equipment |
-
1992
- 1992-07-27 JP JP19936592A patent/JPH0639374A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101277126B1 (en) * | 2010-05-10 | 2013-06-20 | 미우라고교 가부시키카이샤 | Method for operating ion exchange equipment and ion exchange equipment |
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