Ozone water producing apparatus and gas-liquid mixture producing apparatus

a technology of gas-liquid mixture, which is applied in the directions of transportation and packaging, water/sewage treatment by oxidation, dissolving, etc., can solve the problems of insufficient ozone water producing apparatus for medical use, and insufficient ozone water supply

Inactive Publication Date: 2004-01-22
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Problems solved by technology

However, since ozone is an extremely instable substance, it has been difficult to supply ozone water of constant concentration with a good accuracy.
However, there are many usages in which ozone water having a predetermined concentration is continuously used for a long period of time.
In such purposes, the above-mentioned

Method used

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  • Ozone water producing apparatus and gas-liquid mixture producing apparatus
  • Ozone water producing apparatus and gas-liquid mixture producing apparatus
  • Ozone water producing apparatus and gas-liquid mixture producing apparatus

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Embodiment Construction

===Schematic Construction===

[0018] FIG. 1 shows a schematic construction diagram of an ozone water producing apparatus according to one example of the present invention. The ozone water producing apparatus generally comprises an ozone-generating section 20, a gas-liquid mixing section 30, and a water-cleaning section 10. In the present example, the ozone-generating section 20 generates ozone with an electrolysis cell using an electrolysis ozone generating method. As is well known, an electrolysis cell has a structure in which an anode 21 carries an ozone-generating catalyst such as lead dioxide, and a hydrogen-ion exchange membrane (PEM, proton exchange membrane) 23 is sandwiched between the anode 21 and a cathode 22. Pure water is introduced to the anode 21 and a current is passed between the electrodes 21, 22 to cause electrolysis of water. A portion of oxygen having been generated upon electrolysis turns into ozone by the ozone-generating catalyst, and a mixed gas (ozone-containi...

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Abstract

An ozone water producing apparatus comprises: a gas-liquid mixing vessel having a water-discharging port near the bottom and a gas-discharging port at an upper portion; an inner vessel inside the gas-liquid mixing vessel, having an upper opening positioned lower than the gas-discharging port; a main conduit having one end extending into the gas-liquid mixing vessel and opening at a lower portion inside the inner vessel, and having an end connected to a pressure source of water via a water-supplying valve; a gas-induction conduit having one end connecting to the main conduit, and having an end connected to a gas-induction valve; a gas-discharging conduit having one end connected to the gas-discharging port, and having an end connected to a gas-discharging valve; a communicating conduit connecting the gas-induction valve and the gas-discharging valve; an ozone generator connected to the communicating conduit; and an ozone-decomposing catalyst vessel connected to the communicating conduit.

Description

[0001] The present application is based upon Japanese Patent Application No. 2001-13052 filed on Jan. 22, 2001, which is herein incorporated by reference.[0002] 1. Field of the Invention[0003] The present invention relates to an ozone water producing apparatus for generating ozone water having a predetermined concentration by dissolving appropriately generated ozone gas into water, and particularly, relates to an improved technique for obtaining ozone water having a predetermined concentration with a simple mechanism.[0004] 2. Description of the Related Art[0005] Ozone (O.sub.3) has strong oxidation power and sterilizing power, and is used such as for deodorization and / or sterilization. As a usage pattern of ozone, there is an ozone water producing apparatus which is used such as in medical facilities. An ozone water producing apparatus generates ozone gas with an appropriate method, such as electrical discharging or electrolysis, and produces ozone water by dissolving the ozone gas...

Claims

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Application Information

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IPC IPC(8): B01F1/00B01F3/04C02F1/50B01F5/00C01B13/10C02F1/78
CPCB01F3/0451B01F3/04836B01F15/00155C02F2303/04B01F2005/0022C01B13/10C02F2201/784B01F2003/04886B01F23/23231B01F23/2368B01F23/237613B01F2025/915B01F35/2112
Inventor KOGANEZAWA, AKIHISATAKADA, NORIKAZUSAITO, KAZUHIRO
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