JP2005304762A - Air purification apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air purification apparatus which can generate a large volume of highly oxidative OH radicals. <P>SOLUTION: The air purification apparatus is so constituted as to be equipped with a honeycomb-typed filter 3 which carries an adsorbent to adsorb the moisture, with a netlike ignition electrode 2 disposed on one surface of the honeycomb-typed filter 3, and an earth electrode 4 on its other surface. When the honeycomb-type filter 3 having enough thickness to adsorb the moisture is nipped by the netlike ignition electrode 2 having many edge parts (corner parts) and the earth electrode 4 and the voltage is applied to it, the discharge energy is concentrated at an edge part of the electrode so that the edge part becomes easy to discharge. Also when the air is made to pass through the honeycomb-type filter 3 to adsorb the moisture in the air, the honeycomb-type filter 3 becomes easy to electrically charge and becomes even easier to discharge. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an air purification device that generates various radicals, ozone, and the like by discharge to remove malodorous substances and harmful substances in the air, and bacteria and viruses.

  Conventionally, a device that performs deodorization and sterilization by discharge introduces water vapor into the discharge area where the electrodes are discharged between the electrodes, and the electrons collide with water molecules scattered at high speed by the discharge in the discharge space. OH radicals with strong oxidizing power are generated by UV and ultraviolet rays, etc., and the malodorous components and harmful substances are decomposed, and bacteria and viruses in the air are inactivated and DNA / RNA is destroyed to prevent breeding. (For example, refer to Patent Document 1).

Further, ionized or ozonized gas by discharge is generated in a certain space, and the proliferation of microorganisms in the space is prevented by a synergistic effect of ionization and ozonization (for example, see Patent Document 2).
JP 2001-96190 A JP 9-234239 A

  However, in order to introduce water vapor into the discharge region with the conventional structure as described above and generate OH radicals with strong oxidizing power, electrons scattered at high speed due to water molecules and discharge in the discharge space. OH radicals cannot be produced in large quantities unless they collide with each other.

  That is, when water vapor is sent to the discharge region, it is difficult to generate a large amount of OH radicals unless the collision probability between water molecules and electrons scattered at high speed in the discharge region is high. Since the probability of collision of molecules and electrons in space is extremely low, there is a problem that the effect of deodorization and sterilization is low.

  The present invention solves the above-described problems, and an object of the present invention is to provide an air purification device that can generate a large amount of OH radicals having high oxidizing power.

  In order to solve the above problems, an air purification apparatus of the present invention comprises a honeycomb-like filter carrying an adsorbent that adsorbs moisture, a network-like discharge electrode is provided on one side of the honeycomb-like filter, and an earth is provided on the other side With a configuration in which electrodes are arranged, the discharge density of the honeycomb filter that adsorbs a large amount of moisture is increased, and the probability of collision between the moisture in the adsorbent and the electrons scattered at high speed generated by the discharge can be increased. . Furthermore, the moisture introduced from the air is more likely to collide with electrons scattered at high speed even in the space of the honeycomb filter. As a result, it is possible to generate a large amount of OH radicals with high oxidative power, breeding malodorous and harmful substances in the passing gas, inactivating bacteria and viruses in the air, destroying DNA and RNA, etc. Prevention and improvement of deodorization and sterilization efficiency.

The air purification device of the present invention comprises a honeycomb filter carrying an adsorbent that adsorbs moisture, the honeycomb filter is sandwiched between a discharge electrode and a ground electrode, and an insulating member having a plurality of openings, Since the discharge electrode is fixed and the energy of discharge is concentrated on the electrode around the lattice portion (opening) of the insulating member, the electrode around the lattice portion of the insulating member is easily discharged. When air is allowed to pass through and the moisture in the air is adsorbed on the honeycomb filter, the honeycomb filter is easily energized and further discharged.

  In addition, the air purification device of the present invention includes a honeycomb filter that adsorbs moisture, a sawtooth discharge electrode is embedded and fixed on one side of the honeycomb filter, and a ground electrode is disposed on the other side. Therefore, a dedicated holder for fixing the saw blade is not required, and the thickness can be reduced by the height of the saw blade. In addition, if it is installed along the surface of the honeycomb filter, the ventilation resistance increases by the height of the sawtooth. However, the ventilation resistance can be reduced by embedding it in the honeycomb filter surface.

  ADVANTAGE OF THE INVENTION According to this invention, the air purification apparatus which can produce | generate a large amount of OH radicals with high oxidizing power can be provided.

  The first invention comprises a honeycomb-like filter carrying an adsorbent that adsorbs moisture, a network-like discharge electrode is provided on one side of the honeycomb-like filter, and a ground electrode is provided on the other side Then, when a honeycomb filter with a thickness that adsorbs moisture is sandwiched between a net-like discharge electrode with many edge portions (corner portions) and a ground electrode and a voltage is applied, the energy of the discharge concentrates on the electrode edge portion, It becomes easy to discharge at the edge part. When air is allowed to pass through and the moisture in the air is adsorbed on the honeycomb filter, the honeycomb filter is easily energized and further discharged.

  In addition, since the honeycomb-shaped filter is in the discharge region between the electrodes, the probability of collision between electrons and the like scattered at high speed generated by discharge and water molecules in the space of the honeycomb-shaped filter increases. In addition, since the probability of collision between water adsorbed on the honeycomb filter surface and electrons increases, a large amount of OH radicals are generated.

  A second invention is provided with a honeycomb filter carrying an adsorbent that adsorbs moisture, the honeycomb filter is sandwiched between a discharge electrode and a ground electrode, and an insulating member having a plurality of openings, and the discharge electrode is When a voltage is applied with a honeycomb filter that adsorbs moisture sandwiched between a mesh-shaped discharge electrode and a ground electrode, and the electrode is fixed with an insulating member processed into a plurality of grids, The electrode around the lattice portion has the same effect as the edge, the energy of discharge is concentrated, and the electrode around the lattice portion of the insulating member is easily discharged. When air is allowed to pass through and the moisture in the air is adsorbed on the honeycomb filter, the honeycomb filter is easily energized and further discharged.

  In addition, since the honeycomb-shaped filter is in the discharge region between the electrodes, the probability of collision between electrons and the like scattered at high speed generated by discharge and water molecules in the space of the honeycomb-shaped filter increases. In addition, since the collision of moisture and electrons on the surface of the honeycomb filter is increased, a large amount of OH radicals are generated.

  According to a third aspect of the present invention, there is provided a honeycomb filter that adsorbs moisture, a sawtooth discharge electrode is embedded and fixed on one side of the honeycomb filter, and a ground electrode is disposed on the other side. The electrode is attached to the honeycomb filter so that the saw blade is directed to the other mesh electrode. By fixing in this way, a dedicated retainer for fixing the saw blade becomes unnecessary, and the saw blade is removed. The thickness can be reduced by the height of. In addition, when installed along the honeycomb filter surface, the ventilation resistance increases by the height of the sawtooth, but by embedding in the honeycomb filter surface, the ventilation resistance can be reduced.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Embodiment 1 of the present invention will be described below with reference to the drawings. In FIG. 1, the perspective view of the 1st air purification apparatus of this invention is shown. Reference numeral 1 denotes an air purification device, 2 denotes a discharge electrode, 3 denotes a honeycomb filter, 4 denotes a ground electrode, and 5 denotes a power supply device for application to the electrode.

  The details of the above configuration will be described below.

  The air purification apparatus 1 is provided with a honeycomb filter 3 carrying a zeolite adsorbent having a thickness of 5 mm between a discharge electrode 2 made of a lath metal net having a wire diameter of about 0.1 mm and a ground electrode 4. . The electrode interval is adjusted so that arc discharge does not occur because the applied voltage is 3 to 7 kV in the power supply device 5.

  When this air purification device 1 is installed in the wind circuit of the air conditioner and the wind is passed from the upstream portion of the wind circuit, the zeolite adsorbent is supported on the honeycomb filter 3, so that moisture in the passing air is adsorbed. Is done. At this time, when wind is applied to the net-like discharge electrode 2 having many edge portions (corner portions), the energy of discharge concentrates on the edge portion of the discharge electrode 2, and the discharge easily occurs at the edge portion. This increases the discharge density of the honeycomb filter 3 in the discharge region, and also increases the probability of collision between water molecules in the space of the honeycomb filter 3 and electrons scattered at high speed generated by the discharge.

  In addition, the probability of collision between water adsorbed on the surface of the honeycomb filter 3 and electrons increases, and a large amount of OH radicals are generated. As a result, when gas containing odorous substances, harmful substances, bacteria, viruses, etc. passes through the discharge area between the electrodes, odor components and It has the effect of decomposing harmful substances, inactivating bacteria / viruses, destroying DNA / RNA, etc. to prevent breeding and improving deodorizing / sterilizing performance.

  The honeycomb-shaped filter 3 having a thickness for adsorbing moisture is sandwiched between the net-like discharge electrode 2 having a large number of edges and the ground electrode 4, and discharge is performed at the edge portion of the discharge electrode 2. It is possible to generate a stable discharge reliably. Furthermore, when moisture is adsorbed by the honeycomb-like filter 3 by passing air and discharge is performed in a state where moisture is contained, the honeycomb-like filter 3 is in the discharge region between the electrodes, so that the discharge density increases and high-speed scattering occurs. Establishing collisions with the electrons being increased.

  In addition, since collisions of electrons and the like scattered at high speed with water molecules on the surface of the honeycomb filter 3 increase, a large amount of OH radicals are generated. As a result, OH radicals have a stronger oxidizing power than ozone, so when a gas containing odorous substances, harmful substances, bacteria, viruses, etc. passes through the discharge area between the electrodes, it has a strong oxidizing power of a large amount of OH radicals. And the like, decomposition of odor components and harmful substances, inactivation of bacteria and viruses, destruction of DNA and RNA, and the like can be prevented.

(Embodiment 2)
Next, the second invention will be described with reference to the drawings. FIG. 2 shows a perspective view of the second air purification device of the present invention. 11 is an air purification device, 12 is a discharge electrode, 13 is a honeycomb filter, 14 is an insulating member, 15 is a ground electrode, and 16 is a power supply device for application to the electrode.

  The details of the above configuration will be described below.

  The air purification device 11 is configured by sandwiching a honeycomb-shaped filter 13 carrying a zeolite adsorbent having a thickness of 5 mm between a discharge electrode 12 made of a lath metal net having a wire diameter of about 0.1 mm and a ground electrode 15. ing. Further, the discharge electrode 12 is sandwiched and fixed between an insulating member 14 processed into a lattice shape having a plurality of openings and a honeycomb filter 13. Thus, by sandwiching and fixing the discharge electrode 12 with the insulating member 14, the periphery of the lattice portion of the insulating member 14 acts as an edge with respect to the discharge electrode 12, and the energy of discharge is generated by applying power. It concentrates and the electrode around the lattice part of the insulating member 14 is easily discharged.

  When this air purifying device 11 is installed in the wind circuit of the air conditioner and the wind is passed from the upstream part of the wind circuit, the zeolite adsorbent is supported on the honeycomb filter 13 so that moisture in the passing air is adsorbed. In addition, since the honeycomb filter 13 is easily energized, it becomes easier to discharge. In addition, since the honeycomb filter 13 is in the discharge region between the electrodes, the discharge density of the honeycomb filter 13 is increased, and high-speed scattered electrons generated by the discharge and water molecules in the space of the honeycomb filter. Conflict establishment increases. Further, since the probability of collision between moisture and electrons on the surface of the honeycomb filter 13 increases, a large amount of OH radicals are generated. As a result, when gas containing odorous substances, harmful substances, bacteria, viruses, etc. passes through the discharge area between the electrodes, odor components and By decomposing harmful substances, inactivating bacteria and viruses, destroying DNA and RNA, etc., it is possible to prevent breeding and improve deodorization and sterilization performance.

  That is, when both sides of the honeycomb filter 13 that adsorbs moisture are sandwiched between the net-like discharge electrode 12 and the ground electrode 15 and the electrodes are fixed by the insulating member 14 processed into a plurality of grids, the voltage is applied. The electrode around the grid portion of 14 has the same effect as the edge, the energy of discharge is concentrated, and the electrode around the grid portion of the insulating member 14 is easily discharged. When air is allowed to pass through and the moisture in the air is adsorbed on the honeycomb filter 13, the honeycomb filter 13 is easily energized and further discharged.

  Further, since the honeycomb filter 13 is in the discharge region between the electrodes, the discharge density is increased. Thereby, the collision establishment with the high speed scattered electron etc. which generate | occur | produced by discharge and the water molecule in the space of a honey-comb filter increases. In addition, since the probability of collision of moisture and electrons on the surface of the honeycomb filter 13 increases, a large amount of OH radicals are generated. As a result, OH radicals have a stronger oxidizing power than ozone, so when a gas containing odorous substances, harmful substances, bacteria, viruses, etc. passes through the discharge area between the electrodes, a strong oxidizing power of a large amount of OH radicals. And the like, decomposition of odor components and harmful substances, inactivation of bacteria and viruses, destruction of DNA and RNA, and the like can be prevented.

(Embodiment 3)
Next, a third invention will be described with reference to the drawings. FIG. 3 shows a perspective view of a third air purification device of the present invention. 21 is an air purification device, 22 is a discharge electrode, 23 is a honeycomb filter, 24 is a ground electrode, and 25 is a power supply device for application to the electrode.

  The details of the above configuration will be described below.

The air purification device 21 has a sawtooth-shaped discharge electrode 22 in a honeycomb shape so that the sawtooth is directed to the other mesh-shaped discharge electrode 24 on one side of a honeycomb-shaped filter 23 supporting a zeolite adsorbent that adsorbs moisture. It is embedded and fixed in the filter 23. By attaching the sawtooth discharge electrode 22 in this manner, a dedicated holder for fixing the sawtooth becomes unnecessary, and the thickness of the sawtooth can be reduced. In addition, when installed along the surface of the honeycomb filter 23, the ventilation resistance increases by the height of the sawtooth discharge electrode 22, but the ventilation resistance decreases by embedding in the surface of the honeycomb filter 23. Thereby, when it mounts in an air conditioner etc., there is no worry of a performance fall and a thin air purification apparatus is attained.

  As described above, the honeycomb filter 23 carrying the adsorbent increases the surface area of the discharge region portion, and further increases the edge of the electrode portion, thereby reliably generating discharge and generating OH radicals with strong oxidizing power. It can be generated in large quantities, and can improve the one-pass deodorization and sterilization performance.

  Since the air purification apparatus according to the present invention can generate a large amount of OH radicals with high oxidizing power, it is particularly useful when installed in an air purifier or an air conditioner as an air purification function.

The perspective view of the air purification apparatus of the 1st Embodiment of this invention The perspective view of the air purification apparatus of the 2nd Embodiment of this invention The perspective view of the air purification apparatus of the 3rd Embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 11, 21 Air purification apparatus 2, 12, 22 Discharge electrode 3, 13, 23 Honeycomb filter 4, 15, 24 Ground electrode 5, 16, 25 Channel upstream part 14 ... Insulation member

Claims (3)

An air purification apparatus comprising a honeycomb filter carrying an adsorbent for adsorbing moisture, a net-like discharge electrode provided on one side of the honeycomb filter, and a ground electrode provided on the other side. An air comprising a honeycomb filter carrying an adsorbent for adsorbing moisture, sandwiching the honeycomb filter between a discharge electrode and a ground electrode, and further fixing the discharge electrode with an insulating member having a plurality of openings. Purification equipment. An air purification apparatus comprising a honeycomb filter that adsorbs moisture, a sawtooth discharge electrode embedded and fixed on one side of the honeycomb filter, and a ground electrode disposed on the other side.

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