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Scale removing system

A scale and water treatment technology, applied in the field of scale systems, can solve problems such as the decrease of electrode life

Inactive Publication Date: 2008-07-23
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] And also, at the load such as the above-mentioned battery or condenser, the electrolyzed water is further concentrated, thus generating scale due to the concentration of the electrolyzed water at the load The problem
Then, the scale generated at the load is sent to the electrolytic treatment mechanism, causing it to adhere to the electrodes so that the life of the electrodes is significantly reduced, etc.

Method used

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Examples

Experimental program
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Embodiment 1

[0032] FIG. 1 is a schematic configuration diagram of a scale recovery system according to an embodiment of the present invention, and FIG. 2 is a system diagram of the scale recovery system of FIG. 1 . In this example, the scale recovery system of the present invention is applied to the air sterilizing device VW. Therefore, the load of the present invention corresponds to the battery of the air cleaning device VW.

[0033] The air sterilizing device VW of the present embodiment possesses: the water receiving tank 2 as the water storage part; the battery 3 (equivalent to the load of the present invention) that is arranged on the water receiving tank 2; the electrolyzer 11; (The electrodes are not shown in FIG. 1 ) and other components of the electrolytic treatment mechanism 4; the scale recovery mechanism 5 provided on the downstream side (outlet side) of the electrolytic treatment mechanism 4; and the pump P for circulating water (water to be treated).

[0034] The battery 3...

Embodiment 2

[0063] Next, a scale recovery system of another embodiment (second embodiment) will be described using FIG. 3 . Like the first embodiment above, in this embodiment, the scale recovery system is applied to the air sterilization device VW, and FIG. 3 is a system diagram of the scale recovery system of this embodiment. In addition, in FIG. 3 , parts marked with the same symbols as those in FIG. 1 and FIG. 2 exert the same or similar effects and functions, and description thereof will be omitted here.

[0064]In FIG. 3 , 20 is a decomposition catalyst as a hypochlorous acid decomposition mechanism. The decomposition catalyst 20 of this embodiment is composed of a catalyst for decomposing hypochlorous acid in the water to be treated, and is arranged on the pipe 22 . The pipe 22 is a pipe branched from the pipe 9A. One end branched from the pipe 9A passes through the decomposition catalyst 20, and the other end is connected to the upstream side (inlet side) of the electrolytic trea...

Embodiment 3

[0083] And, as the decomposition catalyst 20, for example, in the case of using a thermal catalyst such as nickel oxide, that is, hypochlorous acid in the water to be treated is not decomposed at normal temperature, and the catalytic effect is exerted by heating to a predetermined temperature. In the case of a hypochlorous acid catalyst, instead of providing the piping 22 and the three-way valve 25 of the above-mentioned embodiment 2, a decomposition catalyst 20 may be provided on the piping 9 as shown in FIG. 6 . In this case, the decomposition catalyst 20 is equipped with a heating mechanism (for example, a heater 27 ) capable of heating the decomposition catalyst 20 to a predetermined temperature. And, in the case of using nickel oxide as the decomposition catalyst 20, the decomposition effect is exerted by heating to 40° C. to 70° C., so it is necessary to control the energization of the heater 27 so as to heat the nickel oxide to a temperature of 40° C. to 70° C. .

[00...

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Abstract

An object of the present invention is to provide a descaling system that can effectively avoid the problem of scale adhesion to both the electrode and the load. It is provided with at least a pair of electrodes (12, 13) immersed in the water to be treated to perform electrochemical treatment on the water to be treated, and a scale recovery mechanism (5) (filter (6)) provided on the downstream side of the electrodes, The water to be treated that has passed through the filter (6) is diverted, and after a part is supplied to the load, it is combined with the water to be treated from the electrodes (12, 13) to return to the inlet side of the scale recovery mechanism (5), and Bring the other part back to the inlet side of the electrodes (12, 13).

Description

technical field [0001] This invention relates to systems for removing scale from water to be treated. Background technique [0002] Conventionally, in order to remove microorganisms, viruses, bacteria, etc., a device is proposed that performs electrochemical treatment on water to be treated, generates electrolyzed water, supplies it to a load, and sterilizes bacteria. For example, in an air sterilizing device, the water to be treated is electrochemically treated by an electrolytic treatment mechanism composed of a pair of electrodes to generate electrolyzed water, and the electrolyzed water is supplied to a battery (element) (gas-liquid contact) as a load. member) is brought into contact with the air in the space to be sterilized which circulates to the battery, and the air in the space to be sterilized is sterilized. [0003] However, when the water to be treated is electrochemically treated in this way, there is a problem that scale components such as silicon, magnesium, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/46C25B9/17
CPCC02F1/4602C02F1/46104C02F1/4674C02F5/00C02F2303/04C02F1/467C02F1/46
Inventor 山本哲也小泉友人乐间毅梅泽浩之山本宏小林弘幸福岛纪雄薄井宏明荒川彻
Owner SANYO ELECTRIC CO LTD
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