JP2594295B2 - Household filter - Google Patents
Household filterInfo
- Publication number
- JP2594295B2 JP2594295B2 JP62291093A JP29109387A JP2594295B2 JP 2594295 B2 JP2594295 B2 JP 2594295B2 JP 62291093 A JP62291093 A JP 62291093A JP 29109387 A JP29109387 A JP 29109387A JP 2594295 B2 JP2594295 B2 JP 2594295B2
- Authority
- JP
- Japan
- Prior art keywords
- activated carbon
- hollow fiber
- case
- water
- fiber membrane
- 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.)
- Expired - Lifetime
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、中空糸膜を用いて飲料水等を濾過する濾過
器に関するものである。Description: TECHNICAL FIELD The present invention relates to a filter for filtering drinking water and the like using a hollow fiber membrane.
従来の技術 最近、無数の微孔を有する中空糸を束ねて構成される
中空糸膜が、飲料水等を濾過するための濾材として用い
られるようになってきている。2. Description of the Related Art Recently, hollow fiber membranes formed by bundling hollow fibers having countless micropores have been used as filter media for filtering drinking water and the like.
以下、この種の濾過器について従来の構成を図面に基
づいて説明する。Hereinafter, a conventional configuration of this type of filter will be described with reference to the drawings.
第３図において、20は中空構造で、壁面に無数の微孔
が形成された中空糸である。21は中空糸20を収容し、保
持する中空糸膜ケースである。中空糸20はＵ字状に曲げ
られて束ねられている。そして、各中空糸20の端部25は
合成樹脂等により固められ、中空糸膜ケース21の内側に
固着されている。中空糸膜とは、中空糸壁面の微孔を利
用して水を濾過する一種のフィルタのことであって、使
用時には水は中空糸外部から壁面を浸透して中空糸内部
へ流入し、その時水の中の塵が濾され、中空糸内へ流入
した水は中空糸端部の開口部より外部へ流出する。22は
内部に活性炭23を濾材として封入した活性炭ケース、24
は活性炭23の流出を防ぐために設けられた網である。28
は濾過用カートリッジ21を収容する本体ケース、29は原
水流入管、30は濾過水流出管である。In FIG. 3, reference numeral 20 denotes a hollow structure, which is a hollow fiber having a myriad of fine holes formed on a wall surface. Reference numeral 21 denotes a hollow fiber membrane case that accommodates and holds the hollow fiber 20. The hollow fibers 20 are bent and bundled in a U-shape. The end portion 25 of each hollow fiber 20 is solidified by a synthetic resin or the like, and is fixed inside the hollow fiber membrane case 21. A hollow fiber membrane is a type of filter that filters water using micropores on the hollow fiber wall surface.In use, water permeates the wall surface from the outside of the hollow fiber and flows into the hollow fiber. Dust in the water is filtered off, and the water that has flowed into the hollow fiber flows out through the opening at the end of the hollow fiber. Reference numeral 22 denotes an activated carbon case in which activated carbon 23 is enclosed as a filter medium, 24
Is a net provided to prevent the activated carbon 23 from flowing out. 28
Denotes a main body case for accommodating the filtration cartridge 21, 29 denotes a raw water inflow pipe, and 30 denotes a filtered water outflow pipe.
本濾過器は、第３図に示される矢印に沿って水を通す
ことにより使用される。すなわち、給水口26より流入し
た原水は、活性炭23により残留塩素等が除去され、中空
糸20を束ねて構成される中空糸膜により鉄錆等のにごり
の成分及び一般細菌等が除去されて濾過水流出口27より
流出する。The filter is used by passing water along the arrows shown in FIG. That is, the raw water flowing in from the water supply port 26 is filtered by removing residual chlorine and the like by the activated carbon 23, and by removing the components such as iron rust and general bacteria etc. by the hollow fiber membrane formed by bundling the hollow fibers 20. It flows out from the water outlet 27.
発明が解決しようとする問題点 しかしながら以上のような構成では、長期間濾過水を
使用すると中空糸20の表面に付着した無数の一般細菌が
増殖する場合があり、時にはヘロイド状となる場合もあ
り、例えばそこから発生する硫化水素等の化学物質がい
くらか濾過水中に混入し、濾過水が悪臭を発することが
あった、 本発明は以上の問題点を解決するものであり、中空糸
の表面に付着した一般細菌等の増殖により発生した悪臭
の原因となる硫化水素が濾過水中へ混入することを抑え
ることができる濾過器を提供することを目的とする。Problems to be Solved by the Invention However, in the above configuration, if filtered water is used for a long time, countless general bacteria attached to the surface of the hollow fiber 20 may grow, and sometimes become a heroid. For example, some chemical substances such as hydrogen sulfide generated therefrom were mixed into the filtered water, and the filtered water sometimes gave off a bad smell.The present invention solves the above problems, and the surface of the hollow fiber It is an object of the present invention to provide a filter capable of suppressing the entry of hydrogen sulfide, which causes a bad smell caused by the growth of attached general bacteria and the like, into filtered water.
問題点を解決するための手段 以上の問題点を解決するため本発明の家庭用濾過器
は、側壁に微孔が設けられた中空糸を束ね、中空糸を中
空糸端面の開口と微孔の間に水が流通するように保持し
て成る中空糸膜ケースと、活性炭の流出を防止する網を
入水口及び出水口に備え、内部に活性炭を封入した活性
炭ケースとを有し、中空糸膜ケース内には活性炭ケース
側に粉末状活性炭を封入し、通水によって中空糸の表面
に粉末状活性炭を付着させて、中空糸の表面上で増殖し
た一般細菌が作り出す硫化水素等の化学物質を吸着させ
ることを特徴とする。Means for Solving the Problems In order to solve the above problems, the household filter of the present invention comprises a bundle of hollow fibers having fine holes formed in the side wall, and the hollow fibers are formed by opening the hollow fiber end face with the fine holes. A hollow fiber membrane case having a hollow fiber membrane case that holds water so as to flow therethrough, and an activated carbon case in which nets for preventing the outflow of activated carbon are provided at the water inlet and the water outlet and in which activated carbon is enclosed. In the case, powdered activated carbon is sealed on the activated carbon case side, and powdered activated carbon is attached to the surface of the hollow fiber by passing water to remove chemical substances such as hydrogen sulfide produced by general bacteria grown on the surface of the hollow fiber. It is characterized by being adsorbed.
作用 活性炭ケースのほかに中空糸膜ケースを設け、粉末状
活性炭をこれに封入して通水するから、中空糸膜表面上
に均一に粉末活性炭を付着させることができ、通水抵抗
を小さくすることができ、さらに残留塩素が除去されて
殺菌力が低下した中空糸ケース内の中空糸表面上で増殖
する一般細菌が作り出す硫化水素等の化学物質を粉末状
活性炭が吸着することができる。Function In addition to the activated carbon case, a hollow fiber membrane case is provided, and powdered activated carbon is enclosed in the case to allow water to flow, so that the powdered activated carbon can be uniformly attached to the surface of the hollow fiber membrane and the water flow resistance is reduced. In addition, powdered activated carbon can adsorb chemical substances such as hydrogen sulfide produced by general bacteria growing on the surface of the hollow fiber in the hollow fiber case in which residual chlorine has been removed and sterilization power has been reduced by removing residual chlorine.
実 施 例 以下、本発明の実施例を図面に基づいて説明する。第
１図において、１は側壁に微孔が設けられた中空糸、２
は束ねた中空糸１を中空糸端面の開口と微孔との間に水
が流通するように保持する中空糸膜ケース、３は粒状活
性炭４を濾材として封入した活性炭ケース、５は活性炭
ケース３の入水口及び出水口に設けた粒状活性炭４の流
出を防止する為の網である。活性炭ケース３へ封入され
る粒状活性炭４としては粒の大きさが0.21〜0.24mmのも
のが用いられる。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a hollow fiber having fine holes in a side wall;
Is a hollow fiber membrane case for holding the bundled hollow fibers 1 so that water flows between the opening in the end face of the hollow fiber and the micropore, 3 is an activated carbon case in which granular activated carbon 4 is sealed as a filter material, 5 is an activated carbon case 3 This is a net for preventing the outflow of the granular activated carbon 4 provided at the water inlet and the water outlet. As the granular activated carbon 4 enclosed in the activated carbon case 3, one having a grain size of 0.21 to 0.24 mm is used.
本実施例において中空糸膜は従来例と同様に構成され
る。中空糸膜ケース２の中の活性炭ケース３側には粉末
状活性炭が投入されている。第２図は第１図に示す中空
糸１の１本を拡大した図である。粉末状活性炭を中空糸
膜ケース２内に入れ、給水口７から濾過水流出口８へ向
かって水を通過すると、ちょうど束ねられた中空糸１に
粉末状活性炭を塗したような状態となり、粉末状活性炭
の粒子６は第２図に示したように中空糸１の表面に付着
し、活性炭粒子が中空糸膜の全体に均一に付着した状態
となる。中空糸膜ケース２の中に投入される粉末状活性
炭としては、425meshにおける通過が90％以上の細かさ
のものが用いられる。In this embodiment, the hollow fiber membrane is configured in the same manner as the conventional example. Activated carbon powder is charged into the activated carbon case 3 side of the hollow fiber membrane case 2. FIG. 2 is an enlarged view of one of the hollow fibers 1 shown in FIG. When the powdered activated carbon is put into the hollow fiber membrane case 2 and water is passed from the water supply port 7 to the filtered water outlet 8, it becomes a state where the powdered activated carbon is applied to the bundled hollow fibers 1, and the powdered The activated carbon particles 6 adhere to the surface of the hollow fiber 1 as shown in FIG. 2, and the activated carbon particles uniformly adhere to the entire hollow fiber membrane. As the powdered activated carbon to be charged into the hollow fiber membrane case 2, a powder having a fineness of 90% or more at 425 mesh is used.
本実施例における濾過は従来例と同様に、第１図に示
される矢印に沿って粒状活性炭４及び中空糸に通水され
ることにより行われる。Filtration in this embodiment is performed by passing water through the granular activated carbon 4 and the hollow fibers along the arrow shown in FIG.
この濾過器を長期間使用すると濾された一般細菌等が
中空糸１の表面に無数に付着してくる。それが増殖する
ことによって硫化水素等が発生するが、これは中空糸１
の表面を覆う粉末状活性炭によって吸着され、濾過水中
に硫化水素は混入しない。If this filter is used for a long time, the filtered general bacteria and the like will countlessly adhere to the surface of the hollow fiber 1. Hydrogen sulfide and the like are generated by the multiplication thereof, and this is caused by the hollow fiber 1
Adsorbed by the powdered activated carbon covering the surface of the filter, and hydrogen sulfide is not mixed into the filtered water.
実際に、中空糸有効面積1m2とし、中空糸膜ケース２
内に粉末状活性炭10gを投入し、また残留塩素等を除去
する活性炭として活性炭ケース３内に粒状活性炭50gを
封入し、約６カ月使用して、さらに24時間滞留させた後
の濾過水の硫化水素濃度を測定した。その結果、中空糸
膜ケース内に10gの粉末状活性炭を入れた場合の濾過水
では硫化水素濃度は0.0112mg/であり、臭いは全く気
にならなかった。一方従来のように中空糸膜ケース内に
活性炭を入れていない場合の濾過水では、硫化水素濃度
は0.0635mg/であり、卵が腐ったような硫化水素臭が
発生した。Actually, the effective area of the hollow fiber is 1 m 2 and the hollow fiber membrane case 2
10 g of powdered activated carbon is charged into the inside, and 50 g of granular activated carbon is sealed in the activated carbon case 3 as activated carbon for removing residual chlorine and the like. The hydrogen concentration was measured. As a result, the hydrogen sulfide concentration was 0.0112 mg / in filtered water when 10 g of powdered activated carbon was put in the hollow fiber membrane case, and the odor was not noticeable at all. On the other hand, in the case of conventional filtered water in which activated carbon was not put in the hollow fiber membrane case, the concentration of hydrogen sulfide was 0.0635 mg /, and the smell of hydrogen sulfide such as rotten eggs was generated.
発明の効果 以上のように本発明は、中空糸の束の中に粉末状活性
炭を混在させたことにより、中空糸表面に直に粉末状活
性炭粒子が付着する事となり、それによって中空糸表面
にて発生する硫化水素等の化学物質を良く取り除くこと
ができ、飲料水等から硫化水素等の悪臭がすることがな
く、また一般細菌も硫化水素等も吐出することがなく衛
生的で良好な水素の水を提供することができる。また、
活性炭ケースのほかに中空糸ケースを設け、粉末状活性
炭をこれに封入して通水するから、通水抵抗を小さくす
ることができ、長期間にわたって濾過器を連続して使用
することができる。Effect of the Invention As described above, according to the present invention, powdered activated carbon particles are directly attached to the surface of the hollow fiber by mixing the powdered activated carbon in the bundle of the hollow fibers, and thereby the surface of the hollow fiber is It can remove chemical substances such as hydrogen sulfide, etc., generated by drinking water, and does not give off bad odors such as hydrogen sulfide from drinking water, etc. Of water can be provided. Also,
Since a hollow fiber case is provided in addition to the activated carbon case, and powdered activated carbon is sealed in the case to pass water, the water flow resistance can be reduced, and the filter can be used continuously for a long period of time.
中空糸膜フィルタは一般細菌をも濾すという優れた性
能を持っているにかかわらず、濾されて残された一般細
菌の増殖と通水抵抗の増大、悪臭の発生が障害となって
従来長時間の使用ができなかった。しかし、本発明によ
ってその使用可能時間を延ばすことができ、中空糸膜フ
ィルタを用いた家庭用濾過器の普及に大きく貢献するこ
とにもなって実用的な効果は非常に大きい。Despite the fact that hollow fiber membrane filters have an excellent ability to filter general bacteria, they have been used for a long time due to the growth of general bacteria remaining after being filtered, an increase in water flow resistance, and the generation of foul odors. Could not be used. However, the usable time can be extended by the present invention, which greatly contributes to the spread of household filters using a hollow fiber membrane filter, and the practical effect is very large.
第１図は本発明の実施例における濾過器の濾過用カート
リッジを縦方向に切断した断面図、第２図は同濾過用カ
ートリッジ中の中空糸部分を拡大した部分拡大図、第３
図は従来の濾過器を縦方向に切断した断面図である。 １……中空糸、２……中空糸膜ケース ３……活性炭ケース、４……粒状活性炭 ５……網、６……粉末状活性炭FIG. 1 is a sectional view of a filter cartridge of a filter according to an embodiment of the present invention, which is cut in a vertical direction. FIG. 2 is a partially enlarged view of a hollow fiber portion in the filter cartridge.
The figure is a sectional view of a conventional filter cut in a vertical direction. 1 ... hollow fiber 2 ... hollow fiber membrane case 3 ... activated carbon case 4 ... granular activated carbon 5 ... net, 6 ... powdered activated carbon
───────────────────────────────────────────────────── フロントページの続き (72)発明者 東島 春己 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 昭61−238391（ＪＰ，Ａ) 実開 昭52−103384（ＪＰ，Ｕ) 実開 昭60−144989（ＪＰ，Ｕ) 特公 昭56−16695（ＪＰ，Ｂ２) 炭素材料学会編「活性炭−基礎と応 用」（1981−１−10）講談社Ｐ．277− 278 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Haruki Higashijima 1006 Kazuma Kadoma, Kazuma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-61-238391 (JP, A) -103384 (JP, U) Japanese Utility Model 60-144989 (JP, U) Japanese Patent Publication No. 56-16695 (JP, B2) Japan Society of Carbon Materials “Activated Carbon: Basics and Applications” (1981-1-10) Kodansha P . 277− 278
Claims (1)
記中空糸を前記中空糸端面の開口と前記微孔の間に水が
流通するように保持して成る中空糸膜ケースと、活性炭
の流出を防止する網を入水口及び出水口に備え、内部に
活性炭を封入した活性炭ケースとを有し、前記中空糸膜
ケース内には前記活性炭ケース側に粉末状活性炭を封入
し、通水によって前記中空糸の表面に前記粉末状活性炭
を付着させて、前記中空糸の表面上で増殖した一般細菌
が作り出す硫化水素等の化学物質を吸着させることを特
徴とする家庭用濾過器。1. A hollow fiber membrane case comprising: a bundle of hollow fibers having fine holes formed in a side wall; and holding the hollow fibers so that water flows between the openings of the hollow fiber end faces and the fine holes. Having an activated carbon case in which a net for preventing the outflow of activated carbon is provided at the water inlet and the water outlet, and having activated carbon enclosed therein, wherein powdered activated carbon is enclosed in the activated carbon case side in the hollow fiber membrane case, A domestic filter characterized by adhering the powdered activated carbon to the surface of the hollow fiber by passing water to adsorb chemical substances such as hydrogen sulfide produced by general bacteria grown on the surface of the hollow fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62291093A JP2594295B2 (en) | 1987-11-18 | 1987-11-18 | Household filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62291093A JP2594295B2 (en) | 1987-11-18 | 1987-11-18 | Household filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01130779A JPH01130779A (en) | 1989-05-23 |
| JP2594295B2 true JP2594295B2 (en) | 1997-03-26 |
Family
ID=17764354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62291093A Expired - Lifetime JP2594295B2 (en) | 1987-11-18 | 1987-11-18 | Household filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2594295B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01135583A (en) * | 1987-11-20 | 1989-05-29 | Matsushita Electric Works Ltd | Water purifier |
| JPH055994Y2 (en) * | 1988-03-11 | 1993-02-16 | ||
| CN105236640B (en) * | 2015-10-29 | 2018-09-11 | 佛山市顺德区美的饮水机制造有限公司 | The production method of composite filter element and carbon-point |
| CN105293738B (en) * | 2015-11-21 | 2017-09-05 | 深圳加仑膜技术有限公司 | Multistage combined filter and pipe type water-purifying machine |
| CN108452582A (en) * | 2018-03-01 | 2018-08-28 | 厦门百霖净水科技有限公司 | A kind of composite filter element |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61898U (en) * | 1984-06-05 | 1986-01-07 | 三菱レイヨン株式会社 | Simple water purifier |
| JPS60144989U (en) * | 1984-09-25 | 1985-09-26 | 株式会社クラレ | household water purifier |
| JPS61238391A (en) * | 1985-04-16 | 1986-10-23 | Matsushita Electric Ind Co Ltd | Filter |
-
1987
- 1987-11-18 JP JP62291093A patent/JP2594295B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 炭素材料学会編「活性炭−基礎と応用」（１９８１−１−１０）講談社Ｐ．２７７−２７８ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01130779A (en) | 1989-05-23 |
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