JPH07328404A - Production of carbonate spring - Google Patents
Production of carbonate springInfo
- Publication number
- JPH07328404A JPH07328404A JP12760994A JP12760994A JPH07328404A JP H07328404 A JPH07328404 A JP H07328404A JP 12760994 A JP12760994 A JP 12760994A JP 12760994 A JP12760994 A JP 12760994A JP H07328404 A JPH07328404 A JP H07328404A
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- hollow fiber
- fiber membrane
- dioxide gas
- hot water
- 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.)
- Granted
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、生理的に効果のある炭
酸泉（＝炭酸ガス溶解水）が容易に得られる新規な炭酸
泉の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel method for producing a carbonated spring which can easily obtain a physiologically effective carbonated spring (= carbon dioxide gas-dissolved water).
【０００２】[0002]
【従来の技術】炭酸泉は優れた保温作用があることか
ら、古くから温泉を利用する浴場等で用いられている。
炭酸泉の保温作用は、基本的には、含有炭酸ガスの末梢
血管拡張作用により身体環境が改善されるためと考えら
れる。また炭酸ガスの経皮進入によって、毛細血管床の
増加及び拡張が起こり、皮膚の血行を改善する。このた
め退行性病変及び末梢循環障害の治療に効果があるとさ
れている。2. Description of the Related Art Carbonated springs have been used for a long time in bathhouses and the like because they have an excellent heat retaining effect.
It is considered that the heat retaining effect of the carbonated spring is basically because the body environment is improved by the peripheral vasodilatory effect of the contained carbon dioxide gas. In addition, percutaneous infiltration of carbon dioxide causes an increase and dilation of the capillary bed, improving blood circulation in the skin. Therefore, it is said to be effective in treating degenerative lesions and peripheral circulatory disorders.
【０００３】このように炭酸泉が優れた効果を持つこと
から、これを人工的に調合する試みが行われてきた。例
えば浴槽内に炭酸ガスを気泡の形で送り込む方法、炭酸
塩と酸とを作用させる化学的方法、タンクに温水と炭酸
ガスとを一定期間加圧封入する方法等により炭酸温水を
得ていた。Since carbonated springs have such excellent effects, attempts have been made to artificially mix them. For example, carbonated hot water has been obtained by feeding carbon dioxide gas in the form of bubbles into a bath, a chemical method of acting a carbonate and an acid, and a method of pressurizing hot water and carbon dioxide gas in a tank under pressure for a certain period of time.
【０００４】特開平２−２７９１５８号公報には中空糸
半透膜を通じて炭酸ガスを供給し、水に吸収させる方法
が提案されている。Japanese Unexamined Patent Publication (Kokai) No. 2-279158 proposes a method in which carbon dioxide gas is supplied through a hollow fiber semipermeable membrane and absorbed in water.
【０００５】[0005]
【発明が解決しようとする課題】しかし、従来の炭酸温
水の製造方法、例えば、化学的方法では、炭酸ガス濃度
を３００ppm にするには、多量の薬品を投入しなければ
ならず、また浴槽内に炭酸ガスを気泡の形で送り込む方
法では、温水への炭酸ガスの溶解率が１０％程度に過ぎ
ず、殆どの炭酸ガスが散逸してしまう。However, in the conventional method for producing hot carbonic acid water, for example, a chemical method, a large amount of chemicals must be added in order to reach a carbon dioxide gas concentration of 300 ppm, and the inside of the bathtub must be charged. In the method in which carbon dioxide gas is sent in the form of bubbles, the dissolution rate of carbon dioxide gas in warm water is only about 10%, and most of the carbon dioxide gas is scattered.
【０００６】また特開平２−２７９１５８号公報記載の
方法によると、溶解効率は化学的方法や気泡の形で送り
込む方法よりは向上しているものの充分なものではな
い。具体的には該公報の実施例に開示されている方法で
は、１０リットル／min の炭酸ガス流量において２００
リットルの温水を６００ppm にするのに１０分、１００
０ppm にするのに３０分かかると記載されており、この
実験においての溶解効率は、３５％〜６０％にすぎな
い。Further, according to the method described in JP-A-2-279158, the dissolution efficiency is higher than the chemical method or the method of feeding in the form of bubbles, but it is not sufficient. Specifically, according to the method disclosed in the examples of the publication, 200 at a carbon dioxide gas flow rate of 10 l / min.
10 minutes for 100 liters of warm water to reach 600 ppm
It takes 30 minutes to reach 0 ppm and the dissolution efficiency in this experiment is only 35% to 60%.
【０００７】この場合の溶解効率とは、使用した炭酸ガ
スの何％が溶解したかを示す値である。またこの実施例
では、炭酸ガス流量１０リットル／min において膜面積
４．２ｍ2 を使用し２００リットルの温水を１０００pp
m にするのに３０分かかっている。かかる値は、より少
ない膜面積で、より短時間に高濃度の炭酸ガスを溶解さ
せるという目的には充分でない。The dissolution efficiency in this case is a value indicating how much of the carbon dioxide gas used has dissolved. In addition, in this embodiment, 200 liters of warm water was added to 1000 pp using a membrane area of 4.2 m 2 at a carbon dioxide gas flow rate of 10 liters / min.
It takes 30 minutes to reach m. Such a value is not sufficient for the purpose of dissolving a high concentration carbon dioxide gas in a shorter time with a smaller film area.
【０００８】該公報の実施例がかかる不十分な値となる
理由としては、開示されている分散器の構造が不適切で
あるためと考えられる。即ち図２のような構造では、水
の流れが特定箇所に偏り、炭酸ガスの溶解効率が低下す
る。It is considered that the reason why the embodiment of the publication has such an insufficient value is that the structure of the disclosed disperser is inappropriate. That is, in the structure as shown in FIG. 2, the flow of water is biased to a specific location, and the dissolution efficiency of carbon dioxide gas decreases.
【０００９】また他の理由としては該公報の膜が半透膜
であるため、即ち多孔質膜であるため気泡となって炭酸
ガスは膜内を通過し、その気泡が完全に水に溶解するの
ではないため、ガスとなって抜けていくことが推定され
る。本発明の目的は、簡単且つコンパクトな方法で、炭
酸ガスを温水に効率よく溶解させて高濃度の炭酸泉を製
造することである。Another reason is that since the membrane of the publication is a semipermeable membrane, that is, it is a porous membrane, it becomes bubbles and carbon dioxide gas passes through the membrane, and the bubbles are completely dissolved in water. It is presumed that it will become gas and will escape. An object of the present invention is to efficiently dissolve carbon dioxide gas in hot water to produce a high-concentration carbonated spring by a simple and compact method.
【００１０】[0010]
【課題を解決するための手段】このような目的は、以下
の発明により達成される。 （１）温水と炭酸ガスを炭酸ガス溶解器に供給し、溶解
器内で炭酸ガスを温水に溶解させる炭酸泉の製造方法に
於て、炭酸ガス溶解器が、綾巻き構造に配列された中空
糸膜の両端を樹脂で固定し、中空糸膜中空部に連通して
炭酸ガス導入口、中空糸膜外側部に連通して温水導入口
及び炭酸泉導出口を各設けた事を特徴とする炭酸泉の製
造方法。Such objects are achieved by the following inventions. (1) A method for producing a carbonated spring in which hot water and carbon dioxide are supplied to a carbon dioxide dissolver and the carbon dioxide is dissolved in the hot water in the dissolver, wherein the carbon dioxide dissolver is a hollow fiber arranged in a twill winding structure. Both ends of the membrane are fixed with a resin, and a carbon dioxide gas inlet is provided in communication with the hollow part of the hollow fiber membrane, and a hot water inlet and a carbonated spring outlet are provided in communication with the outer part of the hollow fiber membrane. Production method.
【００１１】（２）溶解器が、中空糸膜の一方の解放状
端部が炭酸ガスの導入口と連通し、他の解放状端部が開
閉弁を有する導出管を通して溶解器の外部に連通し、導
出管を通して中空糸膜内部に溜まった水を外部に放出す
る機構を備えたことを特徴とする上記（１）記載の製造
方法。(2) In the dissolver, one open end of the hollow fiber membrane communicates with an inlet for carbon dioxide gas, and the other open end communicates with the outside of the dissolver through an outlet pipe having an on-off valve. The manufacturing method according to (1) above, further comprising a mechanism for discharging the water accumulated inside the hollow fiber membrane to the outside through the outlet pipe.
【００１２】（３）中空糸膜が、ガス透過性に優れる薄
膜状の非多孔質層の両側を多孔質層で挟み込んだ三層構
造の複合中空糸膜であることを特徴とする上記（１）記
載の製造方法。(3) The hollow fiber membrane is a composite hollow fiber membrane having a three-layer structure in which both sides of a thin film-like non-porous layer having excellent gas permeability are sandwiched by porous layers. ) The manufacturing method described.
【００１３】以下図面により本発明を具体的に説明す
る。 図１は本発明に使用するのに好適な溶解器の概略
的な構成図の一例である。１は溶解器、２は炭酸ガスの
導入口、３は温水の導入口、４は中空糸膜、５は炭酸泉
の導出口、６はドレイン抜き、７は樹脂部である。The present invention will be described in detail below with reference to the drawings. FIG. 1 is an example of a schematic configuration diagram of a dissolver suitable for use in the present invention. 1 is a dissolver, 2 is a carbon dioxide gas inlet, 3 is a hot water inlet, 4 is a hollow fiber membrane, 5 is a carbonated spring outlet, 6 is a drain, and 7 is a resin part.
【００１４】本発明によると、温水が、中空部に炭酸ガ
スを流している中空糸膜を横切って通過することによ
り、炭酸ガスが温水に溶解される。本発明は、中空糸膜
の長手方向中央部に中空糸膜の収束部が設けられている
ために、温水の偏流が起こりにくく、又温水が中空糸膜
を横切って通過するために境膜が薄く、ガスの交換効率
が良いという特長を有する。According to the present invention, carbon dioxide is dissolved in the hot water by passing the hot water across the hollow fiber membrane in which carbon dioxide flows in the hollow portion. In the present invention, since the converging portion of the hollow fiber membrane is provided at the central portion in the longitudinal direction of the hollow fiber membrane, uneven distribution of hot water is unlikely to occur, and since hot water passes across the hollow fiber membrane, the boundary film is formed. It is thin and has good gas exchange efficiency.
【００１５】更に本発明は、炭酸ガスの取り入れ口と反
対側にドレイン抜き部を保有し、該ドレイン抜き部を通
じて中空糸膜内部に溜った水を外部に必要に応じて放出
出来る機構を有する。Further, the present invention has a mechanism in which a drain outlet is provided on the side opposite to the carbon dioxide gas inlet, and water accumulated inside the hollow fiber membrane can be discharged to the outside through the drain outlet as needed.
【００１６】図２は、本発明の中空糸膜の一例でありＡ
は均質層、Ｂは多孔質層である。中空糸膜は、ガス透過
性に優れる薄膜状の非多孔質層の両側を多孔質層で挟み
込んだ三層構造の複合中空糸膜から構成されるものであ
り、例えば三菱レイヨン（株）製の三層複合中空糸膜
（ＭＨＦ）が挙げられる。FIG. 2 shows an example of the hollow fiber membrane of the present invention A
Is a homogeneous layer and B is a porous layer. The hollow fiber membrane is composed of a composite hollow fiber membrane having a three-layer structure in which both sides of a thin-film non-porous layer having excellent gas permeability are sandwiched by porous layers, and is manufactured by, for example, Mitsubishi Rayon Co., Ltd. A three-layer composite hollow fiber membrane (MHF) may be mentioned.
【００１７】非多孔質ガス透過膜とは気体が溶解、拡散
機構により透過する膜であり、分子がクヌッセン流れの
ように気体がガス状で透過できる孔を実質的に含まない
ものであればいかなるものでも良い。The non-porous gas permeable membrane is a membrane through which gas is dissolved and diffused by a diffusion mechanism, and is any membrane as long as the molecule does not substantially contain pores through which gas can be permeable in a gaseous state such as Knudsen flow. Anything is fine.
【００１８】非多孔質ガス透過膜を用いることにより、
任意の圧力で、ガスが気泡として放出されることなくガ
スを供給、溶解でき、効率よい溶解ができると共に任意
の濃度に制御性良く、簡便に溶解できる。By using a non-porous gas permeable membrane,
The gas can be supplied and dissolved at an arbitrary pressure without being released as bubbles, and the gas can be efficiently dissolved and can be easily dissolved at a desired concentration with good controllability.
【００１９】また、膜を介して水又は水溶液がガス供給
側に逆流するようなこともない。膜素材としてはシリコ
−ン系、ポリオレフィン系、ポリエステル系、ポリアミ
ド系、ポリイミド系、ポリスルフォン系、セルロ−ス
系、ポリウレタン系、等が好ましいものとして挙げられ
る。Further, water or an aqueous solution does not flow back to the gas supply side through the membrane. Preferred examples of the film material include silicone-based, polyolefin-based, polyester-based, polyamide-based, polyimide-based, polysulfone-based, cellulose-based and polyurethane-based materials.
【００２０】[0020]
【実施例】本発明を実施例により具体的に説明する。
「炭酸ガス濃度」は、東亜電波工業（株）製 イオンメ
ーターＩＭ４０Ｓ 炭酸ガス電極ＣＥ−２３５で測定し
た。EXAMPLES The present invention will be specifically described with reference to examples.
The "carbon dioxide concentration" was measured by an ion meter IM40S carbon dioxide electrode CE-235 manufactured by Toa Denpa Kogyo Co., Ltd.
【００２１】実施例１ 図１に示した装置で炭酸泉を製造した。溶解器１は膜面
積が１．８ｍ2 である炭酸ガス溶解用モジュールを用意
した。中空糸膜は３層構造を有し、内径２００μｍ、内
層層は厚みがそれぞれ２０μｍのポリエチレン多孔質
膜、中間層は厚みが０．５μｍの非多孔質膜セグメント
化ポリウレタン膜である。Example 1 A carbonated spring was manufactured using the apparatus shown in FIG. As the dissolver 1, a carbon dioxide gas dissolving module having a membrane area of 1.8 m 2 was prepared. The hollow fiber membrane has a three-layer structure, the inner diameter is 200 μm, the inner layer is a polyethylene porous membrane having a thickness of 20 μm, and the intermediate layer is a non-porous segmented polyurethane membrane having a thickness of 0.5 μm.
【００２２】溶解器１に４０℃の温水を１５ｌ／分で供
給し、同時に炭酸ガスボンベより炭酸ガスの圧力を調整
して、流量を調整した炭酸ガスを流量４ｌ／分で供給し
た。溶解器より流出する温水中の炭酸ガス濃度を測定し
た処５００ｐｐｍとなり、そのときの溶解効率は９６％
であった。Warm water at 40 ° C. was supplied to the dissolver 1 at a rate of 15 l / min, and at the same time, the carbon dioxide pressure was adjusted from a carbon dioxide gas cylinder, and the flow rate-adjusted carbon dioxide was supplied at a rate of 4 l / min. When the concentration of carbon dioxide in warm water flowing out of the dissolver was measured to be 500 ppm, the dissolution efficiency at that time was 96%.
Met.
【００２３】[0023]
【発明の効果】本発明の炭酸泉の製造方法によれば、簡
単且つコンパクトな方法で炭酸ガスを温水に効率的に溶
解させて高濃度の炭酸泉を得ることができる。According to the method for producing a carbonated spring of the present invention, it is possible to efficiently dissolve carbon dioxide gas in warm water and obtain a carbonated spring having a high concentration by a simple and compact method.
【図１】本発明に使用するのに好適な溶解器の概略的な
構成図である。FIG. 1 is a schematic configuration diagram of a dissolver suitable for use in the present invention.
【図２】本発明に使用するのに好適な中空糸膜の一例で
ある。FIG. 2 is an example of a hollow fiber membrane suitable for use in the present invention.
１ 溶解器 ２ 炭酸ガスの導入口 ３ 温水の導入口 ４ 中空糸膜 ５ 炭酸泉の導出口 ６ ドレイン抜き ７ 樹脂部 Ａ 均質層 Ｂ 多孔質層 1 Dissolver 2 Carbon dioxide gas inlet 3 Hot water inlet 4 Hollow fiber membrane 5 Carbonate spring outlet 6 Drain drain 7 Resin part A Homogeneous layer B Porous layer
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成７年５月１１日[Submission date] May 11, 1995
【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】００１４[Correction target item name] 0014
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１４】本発明によると、温水が、中空部に炭酸ガ
スを流している中空糸膜を横切って通過することによ
り、炭酸ガスが温水に溶解される。本発明は、綾巻き構
造となっているため、中空糸膜の温水との接触面積が大
きく、また中空糸膜に対して水が直角に通過するため、
境膜が薄くガスの交換効率が良い。 According to the present invention, carbon dioxide is dissolved in the hot water by passing the hot water across the hollow fiber membrane in which carbon dioxide flows in the hollow portion. The present invention is a twill winding structure.
Since it is manufactured, the contact area of the hollow fiber membrane with hot water is large.
Because water passes at a right angle to the hollow fiber membrane,
Thin film with good gas exchange efficiency.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 後籐 篤司 愛知県名古屋市東区砂田橋四丁目１番60号 三菱レイヨン株式会社商品開発研究所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsushi Gotani 4-chome, Sunadabashi 4-chome, Higashi-ku, Nagoya, Aichi Prefecture Mitsubishi Rayon Co., Ltd. Product Development Laboratory
Claims (3)
し、溶解器内で炭酸ガスを温水に溶解させる炭酸泉の製
造方法に於て、炭酸ガス溶解器が、綾巻き構造に配列さ
れた中空糸膜の両端を樹脂で固定し、中空糸膜中空部に
連通して炭酸ガス導入口、中空糸膜外側部に連通して温
水導入口及び炭酸泉導出口を各設けた事を特徴とする炭
酸泉の製造方法。1. A method for producing a carbonated spring in which hot water and carbon dioxide gas are supplied to a carbon dioxide gas dissolver and the carbon dioxide gas is dissolved in the hot water in the dissolver, wherein the carbon dioxide gas dissolvers are arranged in a twill winding structure. It is characterized in that both ends of the hollow fiber membrane are fixed with a resin, and a carbon dioxide gas inlet is provided in communication with the hollow portion of the hollow fiber membrane, and a hot water inlet and a carbonated spring outlet are provided in communication with the outer portion of the hollow fiber membrane. Carbonated spring manufacturing method.
が炭酸ガスの導入口と連通し、他の解放状端部が開閉弁
を有する導出管を通して溶解器の外部に連通し、導出管
を通して中空糸膜内部に溜まった水を外部に放出する機
構を備えたことを特徴とする請求項１記載の製造方法。2. The dissolver is such that one open end of the hollow fiber membrane communicates with a carbon dioxide gas inlet, and the other open end communicates with the outside of the dissolver through an outlet pipe having an on-off valve. The manufacturing method according to claim 1, further comprising a mechanism for discharging the water accumulated inside the hollow fiber membrane to the outside through the outlet pipe.
の非多孔質層の両側を多孔質層で挟み込んだ三層構造の
複合中空糸膜であることを特徴とする請求項１記載の製
造方法。3. The hollow fiber membrane is a composite hollow fiber membrane having a three-layer structure in which both sides of a thin film-like non-porous layer having excellent gas permeability are sandwiched by porous layers. Manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12760994A JP3186428B2 (en) | 1994-06-09 | 1994-06-09 | Carbonated spring manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12760994A JP3186428B2 (en) | 1994-06-09 | 1994-06-09 | Carbonated spring manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07328404A true JPH07328404A (en) | 1995-12-19 |
| JP3186428B2 JP3186428B2 (en) | 2001-07-11 |
Family
ID=14964324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12760994A Expired - Lifetime JP3186428B2 (en) | 1994-06-09 | 1994-06-09 | Carbonated spring manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3186428B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164632A (en) * | 1997-02-05 | 2000-12-26 | Mitsubishi Rayon Co., Ltd. | Method for the preparation of a carbonate spring |
-
1994
- 1994-06-09 JP JP12760994A patent/JP3186428B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164632A (en) * | 1997-02-05 | 2000-12-26 | Mitsubishi Rayon Co., Ltd. | Method for the preparation of a carbonate spring |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3186428B2 (en) | 2001-07-11 |
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