WO2006013620A1 - 脱臭装置 - Google Patents
脱臭装置 Download PDFInfo
- Publication number
- WO2006013620A1 WO2006013620A1 PCT/JP2004/011075 JP2004011075W WO2006013620A1 WO 2006013620 A1 WO2006013620 A1 WO 2006013620A1 JP 2004011075 W JP2004011075 W JP 2004011075W WO 2006013620 A1 WO2006013620 A1 WO 2006013620A1
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- WIPO (PCT)
- Prior art keywords
- discharge electrode
- electrode
- discharge
- catalyst
- counter electrode
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
Definitions
- the present invention relates to a deodorizing apparatus that removes odorous gas components and harmful volatile chemical substances in the air and purifies the air.
- a conventional deodorizing device is arranged by disposing a discharge electrode to which a high voltage is applied and a counter electrode in an air passage, and disposing a honeycomb catalyst for purifying odor gas components between the discharge electrode and the counter electrode.
- the electrode is located on the upwind side of the ventilation path and is composed of an electrode with a small radius of curvature, and the Hammer catalyst adsorbs and decomposes odorous components and carries a catalyst or adsorbent with ozone resolution. And has a spatial region through which air passes (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-113704 (FIG. 1)
- the conventional deodorization apparatus has a problem that the efficiency of decomposition and removal of odorous gas is low with respect to the applied power energy.
- the present invention has been made to solve such problems, and provides a deodorization apparatus that can improve the decomposition and removal efficiency of odorous gases and harmful volatile chemicals and clean the air even with low energy. For the purpose.
- a deodorizing apparatus includes a discharge electrode, a counter electrode, and a catalyst unit that purifies odorous gas components and harmful volatile chemical substances, disposed in an air passage, to which a high voltage is applied,
- the discharge electrode is disposed on the upwind side of the ventilation path and is configured by a flat plate electrode having a protrusion
- the counter electrode is disposed on the downwind side of the ventilation path and has an opening formed of a metal or a conductive material.
- the catalyst portion is disposed between the discharge electrode and the counter electrode, has a distance of a predetermined distance from the discharge electrode, contacts the counter electrode, and mainly contains manganese oxide.
- openings of 10-1000 cells per square inch in the ventilation path there are openings of 10-1000 cells per square inch in the ventilation path, and this opening has a shape larger than the opening of the counter electrode, and the protrusion of the discharge electrode is formed on the catalyst surface of the catalyst. It has an angle of 0 degrees to 90 degrees.
- the radius of curvature of the tip of the protrusion of the discharge electrode is 0.0025 to 0.25 mm
- the length of the protrusion is 2 to 5 mm
- the length of the bottom of the protrusion is 0. 5—lmm
- the plate thickness of the discharge electrode is 0.005—0.3 mm
- the distance between the discharge electrode and the catalyst portion is 4 to 8 mm
- the applied voltage between the discharge electrode and the counter electrode is 4 to 8 kV
- the distance between the protrusions is 9 to 35 mm.
- a deodorizing apparatus includes a discharge electrode and a counter electrode that are disposed in the ventilation path and to which a high voltage is applied, and a catalyst unit that purifies odor gas components and harmful volatile chemical substances,
- the discharge electrode is located on the upwind side of the ventilation path, and the end is composed of a flat plate electrode with a thickness of 0.1 mm or less.
- the counter electrode is located on the downwind side of the ventilation path and is metal or conductive.
- the catalyst portion is disposed between the discharge electrode and the counter electrode, has a distance of a predetermined distance from the discharge electrode, contacts the counter electrode, It has an opening of 10-1000 cells per square inch in the ventilation channel with manganese as the main component, and this opening is shaped to be larger than the opening of the counter electrode, and the end of the discharge electrode is It has an angle of 0 degrees to 90 degrees with respect to the catalyst surface of the catalyst section. .
- the end portion of the discharge electrode is cut or rolled so that the thickness is 0.1 mm or less.
- the end portion of the discharge electrode has a radius of curvature of 0.1 mm or less.
- the discharge electrode is disposed on the upwind side of the ventilation path and is configured by a flat plate electrode having a protrusion
- the ground electrode is disposed on the downwind side of the ventilation path, and is made of metal or a conductive material.
- the catalyst filter is disposed between the discharge electrode and the ground electrode, has a distance of a predetermined distance from the discharge electrode, contacts the ground electrode, and contains manganese oxide as a main component in the air passage.
- This opening has an opening of 10-1000 cells per inch
- the electrode has a shape larger than the opening of the ground electrode, and the protrusion of the discharge electrode 1 has an angle of 0 ° to 90 ° with respect to the catalyst surface of the catalyst filter. It is possible to improve the decomposition and removal efficiency of chemical substances and to clean indoor air.
- FIG. 1 is a perspective view of a deodorizing apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the deodorizing apparatus according to Embodiment 1 of the present invention.
- FIG. 3 is a partially enlarged perspective view of the discharge electrode 1 of the deodorizing apparatus according to Embodiment 1 of the present invention.
- FIG. 4 is a perspective view of a catalyst filter of the deodorizing apparatus according to Embodiment 1 of the present invention.
- FIG. 5 is a diagram showing a discharge state between the discharge electrode and the catalyst filter of the deodorizing apparatus according to Example 1 of the present invention.
- FIG. 6 is a diagram showing the formaldehyde removal performance by discharge of the deodorizing apparatus according to Example 1 of the present invention.
- FIG. 7 is a perspective view of a discharge electrode of a deodorizing apparatus according to Embodiment 2 of the present invention.
- FIG. 8 is a diagram showing the formaldehyde removal performance based on the spacing between the protrusions of the discharge electrode of the deodorizing apparatus according to Example 2 of the present invention.
- FIG. 9 is a view showing the formaldehyde removal performance based on the electrode row spacing of the discharge electrode of the deodorizing apparatus according to Example 2 of the present invention.
- FIG. 10 is a diagram showing formaldehyde removal performance based on the distance between the discharge electrode and the catalyst filter of the deodorizing apparatus according to Example 2 of the present invention.
- FIG. 11 is a front view of the air conditioner incorporating the deodorizing apparatus according to Embodiment 2 of the present invention when the front panel is removed.
- FIG. 12 is a sectional side view of an air conditioner incorporating a deodorizing apparatus according to Embodiment 2 of the present invention.
- FIG. 13 is a perspective view of a discharge electrode of a deodorizing apparatus according to Embodiment 3 of the present invention.
- FIG. 14 is a partially enlarged perspective view of a deodorizing apparatus according to Embodiment 3 of the present invention.
- FIG. 15 is a view showing a discharge state between the discharge electrode and the catalyst filter of the deodorizing apparatus according to Example 3 of the present invention.
- FIG. 16 is a perspective view of a discharge electrode of a deodorizing apparatus according to Embodiment 4 of the present invention.
- FIG. 17 is a partially enlarged perspective view of a deodorizing apparatus according to Embodiment 4 of the present invention.
- FIG. 18 is a view showing a discharge state between the discharge electrode and the catalyst filter of the deodorizing apparatus according to Example 4 of the present invention.
- FIG. 19 is a perspective view of a discharge electrode of a deodorizing apparatus according to Embodiment 5 of the present invention.
- FIG. 20 is a partially enlarged perspective view of a deodorizing apparatus according to Embodiment 5 of the present invention.
- FIG. 21 is a view showing a discharge state between the discharge electrode and the catalyst filter of the deodorizing apparatus according to Example 5 of the present invention.
- FIG. 22 is a graph showing voltage-current characteristics at the end of the discharge electrode of the deodorizing apparatus according to Example 5 of the present invention.
- FIG. 1 is a perspective view of a deodorizing apparatus according to Embodiment 1 of the present invention
- FIG. 2 is an exploded perspective view of the deodorizing apparatus
- FIG. 3 is a partially enlarged perspective view showing a detailed structure of a discharge electrode of the deodorizing apparatus
- FIG. 5 is a perspective view of the catalyst filter of the deodorizing apparatus
- FIG. 5 is a diagram showing a discharge state between the discharge electrode of the deodorizing apparatus and the catalyst filter
- FIG. 6 is a diagram showing the removal performance of formaldehyde by the discharge of the deodorizing apparatus.
- the deodorizing device 7 is made of a metal force such as stainless steel or copper and has a flat plate-shaped discharge electrode 1 having a projection la, a catalyst filter 2 having an opening such as a honeycomb or a corrugate, the discharge electrode 1 and the catalyst.
- a casing 3 made of plastic covering the filter 2, a front cover 4 mounted in front of the casing 3, a ground electrode 5 made of a conductive material such as metal or conductive plastic, and having openings such as mesh and punching, It consists of a support bar 6 that supports the deodorizer 7 as a whole.
- the catalyst filter 2, the discharge electrode 1, and the supporting force bar 6 are arranged in this order from the windward side to the leeward side of the ventilation path.
- the catalyst filter 2 represents a catalyst portion, and the ground electrode 5 represents a counter electrode.
- the flat discharge electrode 1 is configured such that a plurality of protrusion-shaped protrusions la are formed on one end face thereof, and the tip of the protrusion la has a certain angle D with respect to the catalyst filter 2.
- the angle D is set within the range of 0 degrees to 90 degrees.
- the hermetic and corrugated openings have openings of 10 to 1000 cells per square inch parallel to the wind flow in the ventilation path, and are based on a dielectric substrate or ceramic.
- a catalyst and an adsorbent are attached to the material.
- the catalyst filter 2 is composed mainly of manganese oxide, and uses oxides such as iron, copper, zinc, cobalt, and nickel, and precious metals such as gold, silver, and platinum, either alone or in combination, and further uses activated carbon as an adsorbent. , Zeolite, Siri force, etc. are mixed.
- a space of several mm to several 1 Omm is provided between the catalyst filter 2 and the discharge electrode 1, and the catalyst filter 2 and the ground electrode 5 are configured to contact each other.
- the ground electrode 5 has an opening such as a mesh or punch made of a metal or a conductive material, and this opening is configured to be larger than the opening of the catalyst filter 2.
- a high voltage power source (not shown) is connected to the discharge electrode 1 and the ground electrode 5, and a DC voltage of several kV to several tens kV is applied between the discharge electrode 1 and the ground electrode 5.
- the catalyst filter 2 is a mixture of an insulating material and a conductive material, the catalyst filter 2 has a certain degree of conductivity and is brought into contact with the ground electrode 5 to have the same potential as the ground electrode 5.
- corona discharge from the discharge electrode 1 to the catalyst filter 2 is performed by a DC voltage of several kV—several 1 OkV supplied between the discharge electrode 1 and the ground electrode 5 from a high voltage power source (not shown). Will occur.
- a DC voltage of several kV—several 1 OkV supplied between the discharge electrode 1 and the ground electrode 5 from a high voltage power source (not shown). Will occur.
- the ground electrode 5 is formed larger than the opening of the catalyst filter 2, the corona discharge is prevented from being generated directly on the ground electrode 5 through the catalyst filter 2.
- FIG. 5 shows the corona discharge generated from the discharge electrode 1 to the catalytic filter 2.
- a corona discharge is generated from the protrusion la of the discharge electrode 1 toward the catalytic filter 2.
- discharge path 8 is formed.
- the location where the discharge path 8 extending to the catalyst filter 2 is generated is determined based on the angle D1 of the protrusion la of the discharge electrode 1 with respect to the catalyst filter 2.
- the angle D1 with respect to the catalyst filter 2 at the protrusion la is 90 degrees force S with respect to the catalyst surface of the catalyst filter 2 S.
- the decomposition performance is the best.
- FIG. 6 compares the formaldehyde removal performance when only catalyst filter 2 is used and the formaldehyde removal performance when catalyst filter 2 and the formation of discharge path 8 by corona discharge are combined. The removal rate is slow, but when combined with electric discharge, formaldehyde is almost removed in about 5 minutes, and the removal rate is markedly improved.
- the power consumption of the combination of the catalytic filter 2 and the discharge is 2 W, but the removal rate corresponds to about 400 W of thermal energy input by a general thermal catalyst. Therefore, when the catalytic filter 2 and the discharge are combined, The removal speed can be improved with very low energy.
- the discharge electrode 1 is disposed on the upwind side of the ventilation path, and is configured by a flat plate electrode having the protrusion la, and the ground electrode 5 is disposed on the downwind side of the ventilation path, and has metal or conductivity.
- the catalyst filter 2 is disposed between the discharge electrode 1 and the ground electrode 5 and has a predetermined distance from the discharge electrode 1 and is in contact with the ground electrode 5, manganese oxide.
- the air passage has an opening of 10-1000 cells per square inch, and this opening is larger than the opening of the ground electrode 5, and the protrusion 1a of the discharge electrode 1 is the catalyst filter 2.
- FIG. 7 is a perspective view of the discharge electrode of the deodorizing apparatus according to Embodiment 2 of the present invention
- FIG. 8 is the deodorizing apparatus.
- Figure 9 shows the removal performance of formaldehyde based on the row spacing of the protrusions of the discharge electrode
- Fig. 9 shows the removal performance of formaldehyde based on the row spacing of the protrusions of the discharge electrode of this deodorizer
- Fig. 10 shows the deodorization performance.
- Fig. 11 shows the formaldehyde removal performance based on the distance between the discharge electrode and the catalyst filter of the device
- Fig. 11 is a front view when the front panel of the air conditioner incorporating this deodorizing device is removed
- Fig. 12 shows this deodorizing device. It is a sectional side view of the incorporated air conditioner.
- the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the distance between the protrusion la adjacent in the row direction is A
- the distance between the protrusion la adjacent in the column direction is B
- the length of the protrusion is C.
- the configuration of the deodorizing apparatus other than the discharge electrode 1 is the same as that of Example 1.
- FIG. 2 is used for the exploded perspective view
- FIG. 5 is used for the discharge state between the discharge electrode and the catalyst filter of the deodorizing apparatus.
- the discharge electrode 1 is supplied with a DC voltage of several kV—several 1 OkV supplied between the discharge electrode 1 and the ground electrode 5 from a high-voltage power supply (not shown). Corona discharge occurs in the catalyst filter 2, and bad odor substances and volatile organic compounds such as toluene and formaldehyde in the air are trapped in the catalyst filter 2 and then activated species generated by the corona discharge. It is decomposed by.
- Fig. 8 shows the difference in formaldehyde removal performance due to the difference in the spacing A between the protrusions 1a adjacent in the row direction in terms of input power.
- the horizontal axis shows the removal rate after 5 minutes of formaldehyde. Indicates the removal rate of formaldehyde after 5 minutes in a 1 cubic meter container.
- Fig. 8 shows that when the spacing (pitch) A in the row direction of the protrusion la is 11 mm, the performance is better than when the force is 8 mm or 14 mm. The performance is improved whether the spacing A is narrow or wide Indicates that it is not possible.
- Figure 9 shows the difference in the removal performance of formaldehyde due to the difference in spacing (pitch) B between the protrusions la adjacent in the row direction in terms of input power.
- the removal rate after 5 minutes of formaldehyde on the horizontal axis is Same as Figure 8.
- the interval B in the row direction of the protrusion la is 34 mm.
- the performance is better than in the case of 12 mm or 36 mm. It shows that
- Fig. 10 shows the decay of concentration of formaldehyde in a 1 cubic meter container due to the difference (gap) between the tip of the protrusion la and the catalyst filter 2.
- the removal speed is faster when the distance is larger than when the force is 5.5 mm or 5 mm.
- the discharge path 8 is widened, the active species can be brought into wide contact with the catalyst surface, and the performance is improved.
- the protrusion la has a smaller radius of curvature at the tip, it is easier to discharge, so the performance can be improved with low power.
- the radius of curvature of the tip of the protrusion la is about 0.0025—0.25 mm
- the length C of the protrusion la is 2-5 mm
- the length D of the base of the protrusion la is 0.5— lmm is desirable.
- the plate thickness of the discharge electrode 1 is preferably about 0.005 to 0.3 mm, because the thin force S can suppress the generated ozone.
- the shape of discharge electrode 1 is such that the distance between discharge electrode 1 and catalytic filter 2 is 4-8 mm, the applied voltage is 4-8 kV, and the distance A between the protrusions la is 9 It is desirable to set the distance B between 13 mm and the protrusion la to 13-35 mm.
- the deodorizing device 7 is attached to the front surface of the heat exchanger 10 on the upper right side by facing the front of the air conditioner 9. With this configuration, when the fan 11 is operated and the air conditioner 9 is operated, the room air is taken into the deodorizing device 7 and cleaned, and then sent out indoors.
- the deodorizing device 7 has a radius of curvature of the tip of the protrusion la of 0.0025-0.25 mm, a length C of the protrusion la of 2-5 mm, and a length D of the bottom of the protrusion la.
- thickness of discharge electrode 1 is 0.005—0.3 mm
- distance between discharge electrode 1 and catalytic filter 2 is 4 to 8 mm
- application between discharge electrode 1 and ground electrode 5 The voltage is 4 to 8 kV
- the distance B between the protrusions la is 1 3 to 35 mm, which improves the decomposition and removal efficiency of odorous gases and harmful volatile chemicals with low energy and cleans the indoor air. You can do it.
- FIG. 13 is a perspective view of the discharge electrode of the deodorizing apparatus according to Example 3 of the present invention
- FIG. 14 is a partially enlarged perspective view of the discharge electrode of the deodorizing apparatus
- FIG. 15 is a diagram between the discharge electrode of the deodorizing apparatus and the catalyst filter. It is a figure which shows a discharge state.
- the same reference numerals are given to the same or corresponding parts as in the first embodiment, and the description is omitted.
- the end of the discharge electrode 1 has a flat plate shape instead of the protrusion shape of the first embodiment.
- the configuration of the deodorizing apparatus other than the discharge electrode 1 is the same as that of Example 1, and FIG. 2 is used for the exploded perspective view.
- the plate thickness E of the end face is set to 0.1 lm m.
- the end lb of the discharge electrode 1 is configured to have a certain angle D2 with respect to the catalytic filter 2.
- the angle D2 is set within the range of 0 degrees to 90 degrees.
- a DC voltage of several kV—several 1 OkV supplied from a high-voltage power source (not shown) between the discharge electrode 1 and the ground electrode 5 causes the end lb of the discharge electrode 1 to Corona discharge occurs in catalyst filter 2.
- the ground electrode 5 is formed to be larger than the opening of the catalyst filter 2, corona discharge is prevented from directly passing through the catalyst filter 2 and being generated at the ground electrode 5.
- FIG 15 shows the corona discharge generated from the discharge electrode 1 to the catalyst filter 2.
- the catalyst filter starts from the end lb of the discharge electrode 1.
- Corona discharge is generated in the direction of 2.
- discharge path 8 is formed. At this time, based on the angle D2 with respect to the catalyst filter 2 at the end lb of the discharge electrode 1, the generation location of the discharge path 8 extending to the catalyst filter 2 is determined.
- the angle D2 with respect to the catalyst filter 2 at the end lb is 90 ° force S with respect to the catalyst surface of the catalyst filter 2 and has the best decomposition performance.
- active species such as oxygen radicals and hydroxyl radicals are generated on the surface of the catalyst filter 2, and malodorous substances and volatile organic compounds such as toluene and formaldehyde are decomposed and rendered harmless by these active species. This action also improves the removal efficiency.
- the power consumption by the combination of this catalytic filter 2 and discharge is 2W, but the removal rate is equivalent to 400W of thermal energy input by a general thermal catalyst, so the removal rate can be improved with very low energy. Become.
- the discharge electrode 1 is arranged on the upwind side of the ventilation path, the end lb is configured by a flat plate electrode having a thickness of 0.1 mm or less, and the ground electrode 5 is downwind of the ventilation path.
- the catalyst filter 2 is disposed between the discharge electrode 1 and the ground electrode 5 and has a predetermined distance from the discharge electrode 1.
- the end lb of the discharge electrode 1 has an angle of 0 degrees to 90 degrees with respect to the catalyst surface of the catalyst filter 2 to improve the decomposition and removal efficiency of odorous gases and harmful volatile chemicals with low energy
- the indoor air can be cleaned.
- FIG. 16 is a perspective view of the discharge electrode of the deodorizing apparatus according to Example 4 of the present invention
- FIG. 17 is a partially enlarged perspective view of the discharge electrode of the deodorizing apparatus
- FIG. 18 is a diagram between the discharge electrode of the deodorizing apparatus and the catalyst filter. It is a figure which shows a discharge state.
- Example 4 the end of the discharge electrode 1 has a flat plate shape, and the end has three types of shapes shown in FIGS. 17 (a), (b), and (c).
- the end portion lc of the discharge electrode 1 facing the catalytic filter 2 is rolled, so that the thickness F of the end portion lc is smaller than the thickness E of the discharge electrode 1 and is 0.1 mm or less. Is.
- (B) is directed to the catalytic filter 2 of the discharge electrode 1 by rolling the end Id to a shape different from that of (a), so that the thickness F of the end Id is smaller than the thickness E of the discharge electrode 1, 0.1 mm or less, and the end Id was cut obliquely.
- (C) shows that the tip le is smaller than the thickness E of the discharge electrode 1 by rolling the tip le facing the catalytic filter 2 of the discharge electrode 1 into a shape different from that of (a) and (b). 0.1 mm or less at the tip The shape is such that the upper side of the portion le is a curved surface.
- the end portions lc and ld and the tip portion le of the discharge electrode 1 are configured to have a certain angle D3 with respect to the catalyst filter 2.
- the angle D3 is set within a range of 0 degrees to 90 degrees.
- the configuration of the deodorizing apparatus other than the discharge electrode 1 is the same as that of Example 3, and FIG. 2 is used for an exploded perspective view.
- the end portions lc, ld, and tip portions of the discharge electrode 1 are applied by a DC voltage of several kV to several tens kV supplied from the high voltage power source (not shown) between the discharge electrode 1 and the ground electrode 5. Corona discharge is generated in the catalytic filter 2 from le. At this time, since the ground electrode 5 is formed larger than the opening of the catalyst filter 2, the corona discharge is prevented from passing through the catalyst filter 2 and being directly generated at the ground electrode 5.
- Fig. 18 shows the corona discharge generated from the discharge electrode 1 to the catalytic filter 2.
- the generation location of the discharge path 8 extending to the catalyst filter 2 is determined.
- the angle D3 with respect to the catalyst filter 2 at the end portions lc and ld and the tip portion le is 90 degree force with respect to the catalyst surface of the catalyst filter 2 and has the best decomposition performance.
- the deodorizing apparatus 7 has low energy by cutting or rolling the end portions lc and ld and the end portion le of the discharge electrode so as to have a thickness of 0.1 lm m or less. It can improve the efficiency of decomposition and removal of odorous gases and harmful volatile chemicals, and can clean indoor air.
- FIG. 19 is a perspective view of the discharge electrode of the deodorizing apparatus according to Example 5 of the present invention
- FIG. 20 is a partially enlarged perspective view of the discharge electrode of this deodorizing apparatus
- FIG. 21 is a diagram between the discharge electrode and the catalyst filter of this deodorizing apparatus.
- FIG. 22 is a diagram showing the discharge state
- FIG. 22 is a diagram showing voltage-current characteristics when the curvature of the end of the discharge electrode of this deodorizing apparatus is 0.1 mm or more and 0.1 mm or less.
- the discharge electrode 1 has a flat plate shape, and the shape of the end If is set to a radius of curvature of 0.1 mm or less. By adopting this shape, the discharge is reduced and, at the same time, the rapid increase in current is suppressed, and the current control is reduced. As shown in Fig. 22, when the radius of curvature is 0.1 mm or less, the discharge start voltage is about 5 kV, which is lower than about 6.5 kV when the radius is 0.1 mm or more. You can see that there is no rise.
- the end If of the discharge electrode 1 is configured to have a certain angle D4 with respect to the catalytic filter 2.
- the angle D4 is set within the range of 0 degrees to 90 degrees.
- the configuration of the deodorizing apparatus other than the discharge electrode 1 is the same as that of Example 3, and FIG. 2 is used for an exploded perspective view.
- the end portion 1f of the discharge electrode 1 is applied by a DC voltage of several kV to several 1 OkV supplied between the discharge electrode 1 and the ground electrode 5 from a high-voltage power supply (not shown). Corona discharge occurs in the catalyst filter 2 from the At this time, since the ground electrode 5 is formed to be larger than the opening of the catalyst filter 2, corona discharge is prevented from directly passing through the catalyst filter 2 and being generated at the ground electrode 5.
- FIG 21 shows the corona discharge generated from the discharge electrode 1 to the catalytic filter 2.
- a corona discharge is generated from the end If of the discharge electrode 1 toward the catalyst filter 2 by force.
- discharge path 8 is formed.
- the angle D4 with respect to the catalyst filter 2 at the end If of the discharge electrode 1 is a force of 90 degrees with respect to the catalyst surface of the catalyst filter S. The decomposition performance is the best.
- corona discharge By the generation of corona discharge, active species such as oxygen radicals and hydroxyl radicals are generated on the surface of the catalyst filter 2, and malodorous substances and volatile organic compounds such as toluene and formaldehyde are decomposed and rendered harmless by these active species. This action also improves the removal efficiency.
- the power consumption of this combination of catalytic filter 2 and discharge is 2W, but the removal rate is equivalent to 400W of thermal energy input with a general thermal catalyst, so the removal rate can be improved with very low energy. Become.
- the end If of the discharge electrode has a radius of curvature of 0.1 mm or less, so that it is easy to control the current that causes a rapid increase in the discharge current. In addition, it can improve the efficiency of decomposition and removal of odorous gases and harmful volatile chemicals with low energy, and can clean indoor air.
- the deodorizing apparatus according to the present invention is suitable for cleaning indoor air.
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- Animal Behavior & Ethology (AREA)
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04748208A EP1782843A4 (en) | 2004-08-03 | 2004-08-03 | deodorant |
CNB2004800149538A CN100377748C (zh) | 2004-08-03 | 2004-08-03 | 除臭装置 |
PCT/JP2004/011075 WO2006013620A1 (ja) | 2004-08-03 | 2004-08-03 | 脱臭装置 |
JP2006519246A JPWO2006013620A1 (ja) | 2004-08-03 | 2004-08-03 | 脱臭装置 |
HK06112269A HK1091758A1 (en) | 2004-08-03 | 2006-11-08 | Deodorizing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/011075 WO2006013620A1 (ja) | 2004-08-03 | 2004-08-03 | 脱臭装置 |
Publications (1)
Publication Number | Publication Date |
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WO2006013620A1 true WO2006013620A1 (ja) | 2006-02-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/011075 WO2006013620A1 (ja) | 2004-08-03 | 2004-08-03 | 脱臭装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1782843A4 (ja) |
JP (1) | JPWO2006013620A1 (ja) |
CN (1) | CN100377748C (ja) |
HK (1) | HK1091758A1 (ja) |
WO (1) | WO2006013620A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016097207A (ja) * | 2014-11-26 | 2016-05-30 | 平岡織染株式会社 | 臭気吸着メッシュシート及びその臭気吸着性能の回復方法 |
Families Citing this family (3)
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JP2012120768A (ja) * | 2010-12-10 | 2012-06-28 | Samsung Electronics Co Ltd | 脱臭殺菌装置及び脱臭殺菌方法 |
CN203491506U (zh) * | 2011-10-14 | 2014-03-19 | 三菱电机株式会社 | 电场及放电发生装置和空气调节装置 |
US20210348783A1 (en) * | 2020-05-07 | 2021-11-11 | UV Health Group | Device for debilitating airborne infectious agents and associated systems and methods |
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EP1180202A4 (en) * | 1999-05-20 | 2004-08-18 | Institue For Advanced Engineer | EXHAUST PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE |
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2004
- 2004-08-03 WO PCT/JP2004/011075 patent/WO2006013620A1/ja active Application Filing
- 2004-08-03 CN CNB2004800149538A patent/CN100377748C/zh not_active Expired - Lifetime
- 2004-08-03 EP EP04748208A patent/EP1782843A4/en active Pending
- 2004-08-03 JP JP2006519246A patent/JPWO2006013620A1/ja active Pending
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2006
- 2006-11-08 HK HK06112269A patent/HK1091758A1/xx unknown
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JPS6359963A (ja) * | 1986-08-29 | 1988-03-15 | 株式会社 テルモ工業 | 電子式気体清浄装置 |
JPH09262498A (ja) * | 1996-03-28 | 1997-10-07 | Zexel Corp | 空気清浄機における放電極構造 |
JP2001276653A (ja) * | 2000-03-29 | 2001-10-09 | Mitsubishi Electric Corp | 放電電極 |
JP2003038932A (ja) * | 2001-05-21 | 2003-02-12 | Daikin Ind Ltd | プラズマ反応器及び空気浄化装置 |
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JP2016097207A (ja) * | 2014-11-26 | 2016-05-30 | 平岡織染株式会社 | 臭気吸着メッシュシート及びその臭気吸着性能の回復方法 |
Also Published As
Publication number | Publication date |
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JPWO2006013620A1 (ja) | 2008-11-13 |
CN1798586A (zh) | 2006-07-05 |
CN100377748C (zh) | 2008-04-02 |
EP1782843A1 (en) | 2007-05-09 |
HK1091758A1 (en) | 2007-01-26 |
EP1782843A4 (en) | 2008-04-02 |
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