JP2002362907A - Ozonizer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain high efficiency and high concentration by collecting ozone in the maximum concentration. SOLUTION: The ozonizer is provided with a pair of circular or polygonal electrode base plates 1a and 1b mounted vertical, discharge electrodes 2a and 2b having a high voltage part and a low voltage part arranged with a fixed interval on the surface facing a pair of the electrode base plates 1a and 1b, dielectrics 3a and 3b coated to cover the discharge electrodes 2a and 2b, cooling bodies 4a and 4b, mounted to be in contact with a pair of the electrode base plates, a spacer 7a for controlling the distance between the dielectrics on a pair of the opposed electrode base plates to a fixed interval and a discharge space 9 penetrating through a pair of the electrode base plates 1a and 1b and the cooling bodies 4a and 4b and for taking out the generated ozone and the discharge space 9 is arranged in the under side from the center part of a pair of the electrode base plates 1a and 1b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to, for example, water purification treatment,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ozonizer for using ozone for sewage treatment and the like, and particularly to an ozonizer capable of realizing high efficiency and high concentration.

[0002]

2. Description of the Related Art In general, ozone has the strongest oxidizing power next to fluorine as a natural substance, but eventually decomposes to oxygen, so that there is little concern about environmental pollution even if it is used excessively, and even air and electricity are not used. If it exists, it can be generated, and the amount of generation can be electrically controlled.

[0003] Oxidation treatment, deodorization,
The industrial application of ozone for disinfection, disinfection and surface cleaning has been widespread.

Recently, in order to further expand the application of ozone, technical innovations such as improvement in ozone generation efficiency, downsizing of ozonizers, and increasing ozone concentration have been required.

[0005] Conventionally, as ozonizers used for the above-mentioned applications, those which generate ozone by silent discharge between opposed electrodes and those which generate ozone by surface discharge between surface electrodes are generally used. It is.

In particular, a creeping discharge type ozonizer has been widely used from the viewpoint of easy management of a discharge gap and improvement of ozone generation performance. As a creeping discharge type ozonizer, for example, Japanese Patent Application Laid-Open No. 2001-2001
No. 26405 "is known.

FIG. 17 is a schematic diagram showing an example of the configuration of a conventional surface discharge ozonizer of this type, and FIG. 18 is a sectional view showing an example of the configuration of the surface discharge ozonizer.

In FIG. 17 and FIG. 18, a creeping discharge ozonizer 20 includes a pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a vertical direction.
Discharge electrodes 2a and 2b formed on the opposing surfaces of the pair of electrode substrates 1a and 1b by screen printing or the like so that a high-voltage portion and a low-voltage portion are arranged at a fixed interval;
a, 3b coded to cover a, 2b
3b, and discharge units 21 and 22 composed of cooling bodies 4a and 4b installed so as to contact the surfaces of the pair of electrode substrates 1a and 1b where the discharge electrodes 2a and 2b are not formed. ing.

[0009] Feeding portions 5a and 5b for applying a high voltage are provided at respective ends of the discharge electrodes 2a and 2b.

Here, the cooling bodies 4 on the left and right sides in FIG.
a and 4b have a cooling chamber 14 and are fastened to each other via a fastening part 6.

A spacing piece 7a for regulating the relative positional relationship between the dielectrics 3a and 3b is provided between the dielectrics 3a and 3b, and a predetermined distance is provided between the dielectrics 3a and 3b. Can be formed in the gas flow path space 8 of the gap.

Further, a cylindrical ozone discharge space 9 is provided at the center of the discharge unit 22 on the right side in the figure.

In the creeping discharge ozonizer 20 having such a configuration, when the raw material gas 10 supplied from the outer peripheral surface thereof passes through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2a and 2b from the power supply 11. As a result, the ozone 13 is generated and discharged into the ozone discharge space 9 located at the center to be collected.

The ozone discharge space 9 is located at the center because the ozone concentration is expected to increase concentrically in the gas flow passage space 8.

[0015]

However, in the conventional surface discharge ozonizer as described above, the gravity is downward as indicated by the vertical (gravity direction) arrow 19, so that the gas flow path is affected by the gravity. The flow of ozone and the ozone concentration distribution in the space 8 do not become concentric, and as shown in the ozone concentration distribution diagram of FIG. 19, the maximum ozone concentration in the gas passage space 8 is located lower than the center. Therefore, when collecting ozone 13 from the ozone discharge space 9 arranged at the center, ozone 13 at the highest concentration cannot be obtained.

An object of the present invention is to provide an ozonizer capable of collecting ozone at the highest concentration of ozone and realizing higher efficiency and higher concentration.

[0017]

According to a first aspect of the present invention, there is provided an ozonizer comprising: a pair of circular or polygonal electrode substrates installed in a vertical direction; On the opposing surface, a high-voltage part and a low-voltage part are arranged so as to be at a constant interval, a dielectric coated to cover the discharge electrode, and a pair of electrode substrates are installed so as to be in contact with each other. Cooling body, a spacing piece that regulates the distance between the dielectrics on the pair of opposed electrode substrates to a predetermined distance, and an ozone discharge space that penetrates the pair of electrode substrates and the cooling body and takes out the generated ozone. The ozone discharge space is disposed below the center of the pair of electrode substrates.

Therefore, in the ozonizer according to the first aspect of the present invention, the ozone can be collected at the highest concentration of ozone by arranging the ozone discharge space below the center of the pair of electrode substrates. Thus, it is possible to further increase the efficiency and concentration of the ozonizer.

According to a second aspect of the present invention, there is provided an ozonizer comprising a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high-voltage portion and a low-voltage portion provided on opposing surfaces of the pair of electrode substrates. Discharge electrodes arranged at regular intervals, a dielectric coated to cover the discharge electrodes, a cooling body installed to contact a pair of electrode substrates, and a pair of opposed electrode substrates A spacing piece for regulating the distance of the dielectric material to a predetermined spacing, and an ozone exhaust space disposed in the center of the pair of electrode substrates that penetrate the pair of electrode substrates and the cooling body and take out the generated ozone; One electrode substrate is inclined so that the distance between the opposing dielectrics in the upper part in the direction is small and the distance between the opposing dielectrics in the lower part in the vertical direction is large.

Therefore, in the ozonizer according to the second aspect of the present invention, the dielectrics provided on the pair of opposing electrode substrates are arranged with a certain gas flow path space therebetween. The distance between the opposing dielectrics is small,
By providing a slope on one of the electrode substrates so that the distance between the opposing dielectrics at the lower part in the vertical direction is large, that is, the distance between the upper and lower dielectrics is smaller than the lower part, the gas flow path space is formed by this slope. Above the narrower, the fluid resistance due to friction increases, the flow velocity becomes slower, and the time for which the fluid stays between the electrodes becomes longer. The ozone concentration in the road space increases. Accordingly, the position of the highest ozone concentration moves from below to the center due to the predetermined inclination, so that even higher concentration ozone can be collected from the ozone discharge space arranged at the center.

Further, the ozonizer according to the third aspect of the present invention has a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high-voltage portion and a low-voltage portion formed on opposing surfaces of the pair of electrode substrates. Discharge electrodes arranged at regular intervals, a dielectric coated to cover the discharge electrodes, a cooling body installed to contact a pair of electrode substrates, and a pair of opposed electrode substrates An interval piece that regulates the distance of the dielectric material to a predetermined interval, and an ozone discharge space that is disposed at the center of the pair of electrode substrates that penetrates the pair of electrode substrates and the cooling body and takes out the generated ozone, A step is provided on one of the pair of divided electrode substrates so that the thickness of the upper electrode substrate is larger than the thickness of the lower electrode substrate.

Therefore, in the ozonizer according to the third aspect of the present invention, the dielectric provided on the pair of upper and lower electrode substrates opposed to each other is arranged with a certain gas flow space. Of the pair of vertically divided electrode substrates, the thickness of the upper electrode substrate is larger than the thickness of the lower electrode substrate, that is, the gas flow space above the center is smaller than the gas flow space below. So that
By providing a step on one of the electrode substrates, the fluid resistance due to friction increases above the gas flow path space narrowed by this step, so the flow velocity becomes slow and the time for which the fluid stays between the electrodes becomes long Therefore, the ozone generation reaction is actively performed, and the ozone concentration in the gas flow path space above is lower than below. Thus, the position of the highest ozone concentration moves from below to the center due to the predetermined step, so that a higher concentration ozone can be collected from the ozone discharge space arranged in the center.

[0023]

On the other hand, an ozonizer according to a fourth aspect of the present invention provides a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high voltage portion and a low voltage portion on opposing surfaces of the pair of electrode substrates. Discharge electrodes arranged at regular intervals, a dielectric coated to cover the discharge electrodes, a cooling body installed to contact a pair of electrode substrates, and a pair of opposed electrode substrates An interval piece that regulates the distance of the dielectric to a predetermined interval, and an ozone discharge space that is arranged at the center of the pair of electrode substrates that penetrates the pair of electrode substrates and the cooling body and takes out the generated ozone, The adjustment body is arranged on the upper half outside the electrode substrate.

Therefore, in the ozonizer of the invention corresponding to claim 4, in the upper half outside the pair of electrode substrates, that is, above the position where the electrode substrate of the cooling body is not provided (outside the electrode substrate), By arranging a regulator such as a mesh and suppressing the flow rate of the raw material gas from above, the time for which the fluid stays in the upper gas flow path space becomes longer, so that the ozone generation reaction is actively performed, The ozone concentration in the gas flow path space above the lower side becomes higher. As a result, the position of the highest ozone concentration moves from below to the center, and it is possible to collect ozone with a higher concentration from the ozone discharge space arranged in the center.

According to a fifth aspect of the present invention, there is provided an ozonizer comprising: a pair of circular or polygonal electrode substrates installed in a vertical direction; and a high-voltage portion and a low-voltage portion provided on opposing surfaces of the pair of electrode substrates. It has a discharge electrode arranged at regular intervals, a dielectric coated so as to cover the discharge electrode, and a cooling chamber divided into upper and lower parts, and a cooling installed to be in contact with a pair of electrode substrates. Body, a spacing piece that regulates the distance between the dielectrics on the pair of opposing electrode substrates to a predetermined interval, and a central portion of the pair of electrode substrates that penetrate the pair of electrode substrates and the cooling body and take out the generated ozone. The cooling medium flowing into the upper cooling chamber is lower than the temperature of the cooling medium flowing into the lower cooling chamber, or the cooling medium flowing into the lower cooling chamber is provided. Above the flow rate So that increases the flow rate of the cooling medium flowing into 却室.

Therefore, in the ozonizer of the invention corresponding to claim 5, the cooling chamber in the cooling body is divided into upper and lower parts,
A different cooling medium flows so that the temperature of the cooling medium flowing into the cooling body above the lower part becomes lower, or the flow rate of the cooling medium flowing into the cooling body above the lower part increases. By doing so, the temperature of the gas flow path space above the lower part becomes lower, so that the ozone generation capacity increases, and the ozone concentration in the gas flow path space above the lower part becomes higher. As a result, the position of the highest ozone concentration moves from below to the center, and it is possible to collect ozone with a higher concentration from the ozone discharge space arranged in the center.

According to a sixth aspect of the present invention, there is provided an ozonizer comprising: a pair of circular or polygonal electrode substrates installed in a vertical direction; and a high-voltage portion and a low-voltage portion provided on opposing surfaces of the pair of electrode substrates. Discharge electrodes arranged at regular intervals, a dielectric coated to cover the discharge electrodes, a cooling body installed to contact a pair of electrode substrates, and a pair of opposed electrode substrates An interval piece that regulates the distance of the dielectric material to a predetermined interval, and an ozone discharge space that is disposed in the center of the pair of electrode substrates that penetrates the pair of electrode substrates and the cooling body and takes out the generated ozone, includes cooling. A cooling medium inlet is arranged above the body and a cooling medium outlet is arranged below the cooling body.

Therefore, in the ozonizer of the invention corresponding to claim 6, even when the number of cooling chambers is one, the cooling medium inlet is arranged above the cooling body and the cooling medium outlet is arranged below the cooling body. Flowing the cooling medium from top to bottom,
By making the cooling capacity of the cooling body above the lower part higher, the temperature of the gas flow path space above the lower part becomes lower, so that the ozone generation capacity becomes higher and the gas flow part above the lower part becomes higher. The ozone concentration in the space increases. As a result, the position of the highest ozone concentration moves from below to the center, and it is possible to collect ozone with a higher concentration from the ozone discharge space arranged in the center.

Further, an ozonizer according to the invention according to claim 7 is such that a high-voltage portion and a low-voltage portion are arranged at a constant interval on a pair of circular or polygonal electrode substrates and on opposing surfaces of the pair of electrode substrates. The distance between the discharge electrode, the dielectric coated to cover the discharge electrode, the cooling body placed in contact with the pair of electrode substrates, and the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates at a predetermined interval, an ozone discharge space that penetrates the pair of electrode substrates and the cooling body, and is disposed at the center of the pair of electrode substrates that takes out the generated ozone is provided. Installed in the direction.

Therefore, in the ozonizer of the invention corresponding to claim 7, by disposing the pair of electrode substrates in the horizontal direction and disposing the ozone discharge space at the center, the ozone concentration distribution is affected by gravity. Instead, the ozone is concentric, so that the highest concentration of ozone can be collected in the central ozone discharge space.

On the other hand, an ozonizer according to an eighth aspect of the present invention has a plurality of the ozonizer bodies according to any one of the first to seventh aspects of the invention.

Therefore, in the ozonizer according to the present invention, a large-capacity ozonizer is obtained by laminating a plurality of the ozonizer bodies according to any one of the first to seventh aspects. Can be formed.

[0034]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment) FIG. 1 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to the present embodiment, and FIG.
Is a cross-sectional view showing a configuration example of the creeping discharge ozonizer,
17 and 18 are denoted by the same reference numerals.

1 and 2, a creeping discharge ozonizer 20 includes a pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a vertical direction, and a pair of electrode substrates 1a and 1b opposed to each other. Discharge electrodes 2a and 2b formed on a surface by screen printing or the like so that a high-voltage portion and a low-voltage portion are arranged at regular intervals;
Dielectrics 3a, 3b coded to cover b
And the discharge electrodes 2 of the pair of electrode substrates 1a and 1b.
Discharge units 21 and 22 each including cooling bodies 4a and 4b installed so as to come into contact with a surface on which a and 2b are not formed.

In addition, feed ends 5a and 5b for applying a high voltage are provided at respective ends of the discharge electrodes 2a and 2b.

Here, the left and right cooling bodies 4 shown in FIG.
a and 4b have a cooling chamber 14 and are fastened to each other via a fastening part 6.

A spacing piece 7a for regulating the relative positional relationship between the dielectrics 3a and 3b is provided between the dielectrics 3a and 3b, and a predetermined distance is provided between the dielectrics 3a and 3b. Can be formed in the gas flow path space 8 of the gap.

Further, as shown in FIGS. 1 and 2, a cylindrical ozone discharge space 9 is arranged below the center of the discharge unit 22 on the right side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas passage space 8, a high voltage is applied from the power supply 11 between the discharge electrodes 2a and 2b to generate a discharge 12, whereby ozone 13 is generated and located below the center. It is discharged to the ozone discharge space 9 and collected.

In this case, in this embodiment, the ozone discharge space 9 is provided at a position where the maximum ozone concentration is displaced downward by the influence of downward gravity as shown by the vertical (gravity direction) arrow 19. As a result, it is possible to collect the ozone 13 at a still higher concentration.

Here, for example, the width 1.0 of the gas passage space 8 is set.
mm, in a creeping discharge ozonizer 20 having a diameter of 800 mm between the pair of electrode substrates 1a and 1b, the ozone discharge space 9 is:
To be installed 10 to 100 mm below the center,
Calculationally favorable results have been obtained.

As described above, in the creeping discharge ozonizer 20 according to the present embodiment, ozone can be collected at the highest concentration of ozone, and it is possible to further increase the efficiency and concentration of the ozonizer. Become.

(Modification) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of the two cooling bodies 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22, and 23 are appropriately inserted. , It is possible to form a large-capacity surface discharge ozonizer 20.

(Second Embodiment) FIG. 4 is a schematic diagram showing a configuration example of a surface discharge ozonizer according to the present embodiment, and FIG.
Is a cross-sectional view showing a configuration example of the creeping discharge ozonizer,
17 and 18 are denoted by the same reference numerals.

4 and 5, a creeping discharge ozonizer 20 has a pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a vertical direction, and a pair of electrode substrates 1a and 1b facing each other. Discharge electrodes 2a and 2b formed on a surface by screen printing or the like so that a high-voltage portion and a low-voltage portion are arranged at regular intervals;
Dielectrics 3a, 3b coded to cover b
And the discharge electrodes 2 of the pair of electrode substrates 1a and 1b.
Discharge units 21 and 22 are provided, which are composed of cooling bodies 4a and 4b installed so as to come into contact with the surfaces on which a and 2b are not formed.

Further, power supply sections 5a and 5b for applying a high voltage are provided at the respective ends of the discharge electrodes 2a and 2b.

Here, the cooling bodies 4 on the left and right sides in FIG.
a and 4b have a cooling chamber 14 and are fastened to each other via a fastening part 6.

A spacing piece 7b for regulating the relative positional relationship between the dielectrics 3a, 3b is provided between the cooling bodies 4a, 4b, and a predetermined space is provided between the dielectrics 3a, 3b. Can be formed in the gas flow path space 8 of the gap.

Further, the one electrode substrate 1b on the right side in the figure is provided with an inclination so that the upper gas flow path space 8 is narrower than the lower gas flow path space 8.

Further, as shown in FIGS. 4 and 5, a cylindrical ozone discharge space 9 is arranged at the center of the discharge unit 22 on the right side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2 a and 2 b from the power supply 11 to generate a discharge 12, thereby generating ozone 13 and the ozone discharge space 9 located at the center. It is discharged and collected.

In this case, in the present embodiment, in the narrowed upper gas flow path space 8, the fluid resistance due to friction increases, so that the flow velocity becomes slower and the time for which the source gas 10 stays between the electrodes becomes longer. Therefore, the ozone generation reaction is actively performed, and the ozone concentration is higher than that in the lower part.

Therefore, by providing the predetermined inclination, the highest ozone concentration is located at the center, so that a higher concentration ozone 13 can be collected.

For example, in the creeping discharge ozonizer 20 having a width of 1.0 mm of the gas flow space 8 and a diameter of 800 mm of the pair of electrode substrates 1a and 1b, the uppermost part of the gas flow space 8 is 0.6 to 0. The electrode substrates 1a and 1b are provided with an inclination so that the lowermost part is 1.1 mm and the lowermost part is 1.1 to 1.4 mm.
Calculationally favorable results have been obtained.

As described above, the creeping discharge ozonizer 20 according to the present embodiment can collect a higher concentration of ozone.

(Modification) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of the two cooling bodies 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22, and 23 are appropriately inserted. , It is possible to form a large-capacity surface discharge ozonizer 20.

(Third Embodiment) FIG. 7 is a schematic diagram showing a configuration example of a surface discharge ozonizer according to the present embodiment, and FIG.
Is a cross-sectional view showing a configuration example of the creeping discharge ozonizer,
17 and 18 are denoted by the same reference numerals.

7 and 8, a creeping discharge ozonizer 20 includes a pair of electrode substrates 1a, 1b and 1 such as a circular or polygonal glass substrate installed in a vertical direction.
c, discharge electrodes 2a and 2b formed on the opposing surfaces of the pair of electrode substrates 1a, 1b and 1c by screen printing or the like so that a high-voltage portion and a low-voltage portion are spaced at a constant interval; , 2b, and a pair of the electrode substrates 1 and 3c.
a, 1b, and 1c, cooling bodies 4a, 4b installed so as to come into contact with surfaces on which the discharge electrodes 2a, 2b are not formed.
And discharge units 21 and 22 composed of the following.

Further, feed portions 5a and 5b for applying a high voltage are provided at respective ends of the discharge electrodes 2a and 2b.

Here, the discharge unit 22 on the right side of the drawing is
The electrode substrate 1b is provided above and the electrode substrate 1c is provided below.

The left and right cooling bodies 4a, 4a,
4 b has a cooling chamber 14, which is fastened to each other via fastening parts 6.

Further, between the cooling bodies 4a and 4b,
A spacing piece 7b is provided to regulate the relative positional relationship between the dielectrics 3a and 3b and between the dielectrics 3a and 3c. The spacing piece 7b is provided between the dielectrics 3a and 3b and the dielectrics 3a and 3c.
A gas passage space 8 having a predetermined gap can be formed therebetween.

The upper electrode substrate 1b is made thicker than the lower electrode substrate 1c so that the upper gas passage space 8 is narrower than the lower gas passage space 8. ing.

Further, as shown in FIGS. 7 and 8, a cylindrical ozone discharge space 9 is arranged at the center of the discharge unit 22 on the right side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2 a and 2 b from the power supply 11 to generate a discharge 12, thereby generating ozone 13 and the ozone discharge space 9 located at the center. It is discharged and collected.

In this case, in the present embodiment, in the narrowed upper gas flow path space 8, the flow resistance is reduced due to the increased fluid resistance due to friction, and the time for which the source gas 10 stays between the electrodes is increased. Therefore, the ozone generation reaction is actively performed, and the ozone concentration is higher than that in the lower part.

Therefore, by providing a predetermined difference in the thickness between the electrode substrate 1b and the electrode substrate 1c, the highest ozone concentration is located at the center, so that a higher concentration ozone 13 can be collected. Can be.

As described above, the creeping discharge ozonizer 20 according to the present embodiment makes it possible to collect ozone at a higher concentration.

(Modification) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of the two cooling bodies 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22, and 23 are appropriately inserted. , It is possible to form a large-capacity surface discharge ozonizer 20.

(Fourth Embodiment) FIG. 10 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to the present embodiment, and FIG. 11 is a sectional view showing a configuration example of the creeping discharge ozonizer. The same elements as those in FIG. 18 are denoted by the same reference numerals.

10 and 11, a creeping discharge ozonizer 20 includes a pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a vertical direction.
Discharge electrodes 2a and 2b formed on the opposing surfaces of the pair of electrode substrates 1a and 1b by screen printing or the like so that a high-voltage portion and a low-voltage portion are arranged at a fixed interval;
a, a dielectric 3a coded to cover the 2b,
3b, and discharge units 21 and 22 comprising cooling bodies 4a and 4b installed so as to contact the surfaces of the pair of electrode substrates 1a and 1b where the discharge electrodes 2a and 2b are not formed. ing.

Further, feed portions 5a and 5b for applying a high voltage are provided at respective ends of the discharge electrodes 2a and 2b.

Here, the cooling bodies 4 on the left and right sides in FIG.
a and 4b have a cooling chamber 14 and are fastened to each other via a fastening part 6.

A spacing piece 7a for regulating the relative positional relationship between the dielectrics 3a and 3b is provided between the dielectrics 3a and 3b, and a predetermined distance is provided between the dielectrics 3a and 3b. Can be formed in the gas flow path space 8 of the gap.

Further, a mesh-shaped adjusting plate 15 is arranged above the cooling bodies 4a and 4b at positions where the electrode substrates 1a1b are not provided (outside the electrode plates).

Further, as shown in FIGS. 10 and 11, a cylindrical ozone discharge space 9 is arranged at the center of the discharge unit 22 on the right side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2 a and 2 b from the power supply 11 to generate a discharge 12, thereby generating ozone 13 and the ozone discharge space 9 located at the center. It is discharged and collected.

In this case, in this embodiment, the adjusting plate 15
As a result, the flow velocity of the source gas 10 from above decreases, and the time during which the source gas 10 stays in the gas flow path space 8 increases, so that the ozone generation reaction is actively performed, and the ozone concentration becomes higher than below.

As a result, the position of the highest ozone concentration moves from below to the center, and ozone 13 having a higher concentration can be collected from the ozone discharge space 9 arranged at the center.

As described above, the creeping discharge ozonizer 20 according to the present embodiment makes it possible to collect a higher concentration of ozone.

(Modification) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of one cooling body 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22 and With a configuration in which 23 are stacked, it is possible to form a large-capacity surface discharge ozonizer 20.

(Fifth Embodiment) FIG. 13 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to the present embodiment, and FIG. 14 is a sectional view showing a configuration example of the creeping discharge ozonizer. The same elements as those in FIG. 18 are denoted by the same reference numerals.

13 and 14, a creeping discharge ozonizer 20 includes a pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a vertical direction.
Discharge electrodes 2a and 2b formed on the opposing surfaces of the pair of electrode substrates 1a and 1b by a sgreen printing or the like so that a high-voltage portion and a low-voltage portion are arranged at regular intervals;
a, 3b, coded to cover a, 2b
3b, and discharge units 21 and 22 comprising cooling bodies 4a and 4b installed so as to contact the surfaces of the pair of electrode substrates 1a and 1b where the discharge electrodes 2a and 2b are not formed. ing.

Further, feed portions 5a and 5b for applying a high voltage are provided at respective ends of the discharge electrodes 2a and 2b.

Here, the cooling bodies 4 on the left and right sides in FIG.
a and 4b are fastened to each other via the fastening component 6.

Also, between the dielectrics 3a and 3b, a spacing piece 7a for regulating a relative positional relationship between the dielectrics 3a and 3b is provided, and a predetermined distance is provided between the dielectrics 3a and 3b. Can be formed in the gas flow path space 8 of the gap.

Further, the cooling bodies 4a and 4b have cooling chambers 14a and 14b which are respectively divided into upper and lower parts. The cooling medium inlets 16a and 16b provided in the cooling bodies 4a and 4b respectively serve as cooling mediums. Exits 17a, 17b
The cooling media 18a and 18b respectively flow into and out of the housing.

Here, the inflow temperature of the cooling medium 18a flowing into and out of the upper cooling chamber 14a depends on the temperature of the lower cooling chamber 1a.
The temperature is set lower than the inflow temperature of the cooling medium 18b flowing into and out of the cooling medium 4b.

As shown in FIGS. 13 and 14,
A cylindrical ozone discharge space 9 is arranged at the center of the discharge unit 22 on the right side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2 a and 2 b from the power supply 11 to generate a discharge 12, thereby generating ozone 13 and the ozone discharge space 9 located at the center. It is discharged and collected.

In this case, in the present embodiment, the characteristic is that the temperature of the upper gas flow path space 8 is lower than the temperature of the lower gas flow path space 8, and the ozone generation capacity is higher as the gas temperature is lower. , The ozone generation ability in the gas flow path space 8 at the upper side is increased, and the position of the highest ozone concentration moves from below to the center.

Therefore, by providing a predetermined inflow temperature difference between the cooling media 18a and 18b, it is possible to collect the ozone 13 with a higher concentration from the ozone outlet 9 disposed at the center.

As described above, the creeping discharge ozonizer 20 according to the present embodiment makes it possible to collect a higher concentration of ozone.

(Modification) (a) The cooling medium 18a flowing into the upper cooling chamber 14a
The flow rate of the cooling medium 1 flowing to the cooling chamber 14b below
By making the flow rate larger than the flow rate of 8b, the cooling capacity and the ozone generation capacity in the upper gas flow path space 8 are increased, and the same operation and effect as in the fifth embodiment can be obtained. it can.

(B) Even when the cooling bodies 14 of the cooling bodies 4a and 4b are one, by allowing the cooling medium 18 to flow in from above and to flow out below, for the same reason as described above, High-concentration ozone 13 can be collected from the ozone discharge space 9 arranged at the center.

(C) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of the two cooling bodies 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22, and 23 are appropriately inserted. , It is possible to form a large-capacity surface discharge ozonizer 20.

(Sixth Embodiment) FIG. 15 is a sectional view showing a configuration example of the surface discharge ozonizer, and the same elements as those in FIGS. 17 and 18 are denoted by the same reference numerals.

In FIG. 15, the creeping discharge ozonizer 20 is used.
A pair of electrode substrates 1a and 1b such as a circular or polygonal glass substrate installed in a horizontal direction, and a high voltage portion and a low voltage portion Are formed at regular intervals, dielectrics 3a, 3b coded to cover the discharge electrodes 2a, 2b, and the discharge electrodes 2a of the pair of electrode substrates 1a, 1b. , 2b provided so as to come into contact with the surface not forming the
a and 4b.

Further, power supply sections 5a and 5b for applying a high voltage are provided at the respective ends of the discharge electrodes 2a and 2b.

Here, the upper and lower cooling bodies 4 in the drawing are shown.
a and 4b have a cooling chamber 14 and are fastened to each other via a fastening part 6.

A spacing piece 7a for regulating the relative positional relationship between the dielectrics 3a, 3b is provided between the dielectrics 3a, 3b, and a predetermined distance is provided between the dielectrics 3a, 3b. Can be formed in the gas flow path space 8 of the gap.

Further, as shown in FIG. 15, a cylindrical ozone discharge space 9 is arranged at the center of the discharge unit 22 on the upper side in the figure.

Next, in the creeping discharge ozonizer 20 according to the present embodiment configured as described above, the source gas 10 supplied from the outer peripheral surface of the creeping discharge ozonizer 20 is
When passing through the gas flow path space 8, a high voltage is applied between the discharge electrodes 2 a and 2 b from the power supply 11 to generate a discharge 12, thereby generating ozone 13 and the ozone discharge space 9 located at the center. It is discharged and collected.

In this case, in the present embodiment, the fluid is not affected by gravity in the flow direction, and the ozone concentration distribution is concentric, so that the ozone discharge space 9 located at the center is formed.
Therefore, ozone 13 having a higher concentration can be collected.

As described above, the creeping discharge ozonizer 20 according to the present embodiment makes it possible to collect a higher concentration of ozone.

(Modification) As shown in the sectional view of FIG.
A discharge unit 23 in which one electrode substrate 1b is disposed on both front and back surfaces of one cooling body 4b is inserted between the discharge units 21 and 22 via the fastening component 6, and the discharge units 21, 22 and With a configuration in which 23 are stacked, it is possible to form a large-capacity surface discharge ozonizer 20.

(Other Embodiments) It should be noted that the present invention is not limited to the above-described embodiments, and can be variously modified and implemented without departing from the scope of the invention at the stage of implementation. It is. In addition, the embodiments may be implemented in combination as appropriate as much as possible. In that case, the combined operation and effect can be obtained. Furthermore, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent features. For example, even if some components are deleted from all the components shown in the embodiment, at least one of the problems described in the section of the problem to be solved by the invention can be solved, and In the case where (at least one of) the effects described in the section is obtained, a configuration from which this component is deleted can be extracted as an invention.

[0110]

As described above, according to the ozonizer of the present invention, ozone can be collected at the highest concentration of ozone, and higher efficiency and higher concentration can be realized.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to a first embodiment of the present invention.

FIG. 2 is a sectional view showing a configuration example of a creeping discharge ozonizer according to the first embodiment of the present invention.

FIG. 3 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a modification of the first and fifth embodiments of the present invention.

FIG. 4 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to a second embodiment of the present invention.

FIG. 5 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a second embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a configuration example of a surface discharge ozonizer according to a modification of the second embodiment of the present invention.

FIG. 7 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to a third embodiment of the present invention.

FIG. 8 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a third embodiment of the present invention.

FIG. 9 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a modification of the third embodiment of the present invention.

FIG. 10 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to a fourth embodiment of the present invention.

FIG. 11 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a fourth embodiment of the present invention.

FIG. 12 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a modification of the fourth embodiment of the present invention.

FIG. 13 is a schematic diagram showing a configuration example of a creeping discharge ozonizer according to a fifth embodiment of the present invention.

FIG. 14 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a fifth embodiment of the present invention.

FIG. 15 is a sectional view showing a configuration example of a creeping discharge ozonizer according to a sixth embodiment of the present invention.

FIG. 16 is a cross-sectional view showing a configuration example of a surface discharge ozonizer according to a modification of the sixth embodiment of the present invention.

FIG. 17 is a schematic diagram showing a configuration example of a conventional surface discharge ozonizer.

FIG. 18 is a sectional view showing a configuration example of a conventional surface discharge ozonizer.

FIG. 19 is an ozone concentration distribution diagram in a conventional surface discharge ozonizer.

[Explanation of symbols]

 1a, 1b, 1c: Electrode substrate 2a, 2b: Discharge electrode 3a, 3b, 3c: Dielectric 4a, 4b: Cooling body 5a, 5b: Power supply unit 6: Fastening component 7a, 7b: Spacing piece 8: Gas flow space 9 ozone discharge space 10 source gas 11 power supply 12 discharge 13 ozone 14 cooling chamber 15 adjustment plate 16a, 16b cooling medium inlet 17a, 17b cooling medium outlet 18a, 18b cooling medium 19 vertical direction (Gravity direction) Arrow 20: Surface discharge ozonizer 21: Discharge unit 22: Discharge unit 23: Discharge unit.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4G042 CA01 CC02 CC13 CC16 CE04 4G075 AA07 BA01 BD05 CA15 DA02 EA02 EB21 EC09 EC21 FC15

Claims (8)

[Claims] 1. A discharge in which a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high voltage portion and a low voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode; a dielectric coated so as to cover the discharge electrode; a cooling body arranged to be in contact with the pair of electrode substrates; and a predetermined distance between the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates an interval, and an ozone discharge space that penetrates the pair of electrode substrates and the cooling body and takes out generated ozone, wherein the ozone discharge space is more than a central portion of the pair of electrode substrates. An ozonizer characterized by being arranged on the lower side. 2. A discharge in which a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high-voltage portion and a low-voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode; a dielectric coated so as to cover the discharge electrode; a cooling body arranged to be in contact with the pair of electrode substrates; and a predetermined distance between the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates an interval, and an ozone discharge space that penetrates the pair of electrode substrates and the cooling body and is disposed at a central portion of the pair of electrode substrates that takes out generated ozone. An ozonizer characterized in that one of the electrode substrates is provided with an inclination so that the distance between the opposing dielectrics is small and the distance between the opposing dielectrics in the vertical lower part is large. 3. A pair of circular or polygonal electrode substrates installed in a vertical direction, and a discharge in which a high-voltage portion and a low-voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode; a dielectric coated so as to cover the discharge electrode; a cooling body arranged to be in contact with the pair of electrode substrates; and a predetermined distance between the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates an interval, an ozone discharge space that penetrates the pair of electrode substrates and the cooling body, and is disposed at a central portion of the pair of electrode substrates that takes out generated ozone, is vertically divided. An ozonizer, wherein one of the pair of electrode substrates is provided with a step so that the thickness of the upper electrode substrate is larger than the thickness of the lower electrode substrate. 4. A discharge in which a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high voltage portion and a low voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode; a dielectric coated so as to cover the discharge electrode; a cooling body arranged to be in contact with the pair of electrode substrates; and a predetermined distance between the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates an interval, and an ozone discharge space that penetrates the pair of electrode substrates and the cooling body and is disposed at a central portion of the pair of electrode substrates that extracts generated ozone, and the pair of electrodes includes An ozonizer comprising an adjusting body disposed on an upper half of an outer side of a substrate. 5. A discharge in which a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high-voltage portion and a low-voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode, a dielectric coated so as to cover the discharge electrode, and a cooling body having a vertically divided cooling chamber, and provided so as to be in contact with the pair of electrode substrates; An interval piece that regulates a distance of the dielectric on the electrode substrate to a predetermined interval; and a center piece of the pair of electrode substrates that penetrates the pair of electrode substrates and the cooling body and takes out generated ozone. An ozone exhaust space, wherein the temperature of the cooling medium flowing into the cooling chamber above the temperature of the cooling medium flowing into the cooling chamber below is lowered, or the cooling medium flowing into the cooling chamber below Than the flow rate Ozonizer, characterized in that as increased the flow rate of the cooling medium flowing into the cooling chamber upward. 6. A discharge in which a pair of circular or polygonal electrode substrates installed in a vertical direction, and a high-voltage portion and a low-voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates. An electrode; a dielectric coated so as to cover the discharge electrode; a cooling body arranged to be in contact with the pair of electrode substrates; and a predetermined distance between the dielectric on the pair of electrode substrates facing each other. An interval piece that regulates an interval, and an ozone discharge space that is disposed at a central portion of the pair of electrode substrates that penetrates the pair of electrode substrates and the cooling body and takes out generated ozone. An ozonizer, wherein an inlet for a cooling medium is arranged above and an outlet for a cooling medium is arranged below the cooling body. 7. A pair of circular or polygonal electrode substrates, a discharge electrode in which a high-voltage portion and a low-voltage portion are arranged at regular intervals on opposing surfaces of the pair of electrode substrates, and A cooling member disposed so as to be in contact with the pair of electrode substrates, and a spacing piece for regulating a distance between the dielectric members on the pair of opposed electrode substrates to a predetermined distance. And an ozone discharge space disposed at the center of the pair of electrode substrates, which penetrates the pair of electrode substrates and the cooling body and takes out generated ozone, and horizontally installs the pair of electrode substrates. An ozonizer characterized by being formed by: 8. The method according to claim 1, wherein
An ozonizer characterized by comprising a plurality of the ozonizer main bodies described in the above section laminated.