WO2016098791A1 - Dispositif d'humidification et climatiseur doté d'un dispositif d'humidification - Google Patents

Dispositif d'humidification et climatiseur doté d'un dispositif d'humidification Download PDF

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Publication number
WO2016098791A1
WO2016098791A1 PCT/JP2015/085141 JP2015085141W WO2016098791A1 WO 2016098791 A1 WO2016098791 A1 WO 2016098791A1 JP 2015085141 W JP2015085141 W JP 2015085141W WO 2016098791 A1 WO2016098791 A1 WO 2016098791A1
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Prior art keywords
water
humidifier
absorbing
electrode
suppression unit
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PCT/JP2015/085141
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English (en)
Japanese (ja)
Inventor
隆弘 酒井
稲永　康隆
太田　幸治
典亮 勝又
Original Assignee
三菱電機株式会社
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Priority to JP2016528040A priority Critical patent/JP6076544B2/ja
Publication of WO2016098791A1 publication Critical patent/WO2016098791A1/fr

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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
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements

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  • the present invention relates to a humidifier and an air conditioner equipped with the humidifier.
  • 3000m particular buildings such as two or more commercial facilities and office, temperature 17 ⁇ 28 ° C., to keep the relative humidity of 40 to 70% is defined as the control reference value of the air environment in building health management method.
  • ASHRAE American Society for Heating, Refrigerating and Air Conditioning
  • a humidity standard of 30 to 60% relative humidity is specified. The temperature is relatively easily managed with the spread of air conditioners. However, it is difficult to say that the relative humidity is adequately controlled, and the lack of humidification in winter is a problem.
  • Conventional indoor humidification methods include vaporization, steam, and water spray.
  • the vaporization method is a method in which the moisture contained is vaporized and evaporated by exchanging heat with an air current by passing air through a filter having water absorption performance to humidify the room.
  • the steam method is a method of evaporating and evaporating moisture by energizing a heating coil installed in a water storage tank to humidify the room.
  • the water spray method is a method in which moisture is refined by pressurizing moisture, and the refined moisture is humidified indoors by heat exchange with an air stream.
  • Patent Document 1 discloses a humidifying element, a plurality of electrodes arranged on the inlet side of the air flow of humidified air, a counter electrode having a shape that does not contact the electrode and does not block the air flow, and ions in the same direction as the air flow There is disclosed a humidifier including a high voltage generator for generating wind.
  • Patent Document 2 discloses a humidification provided with a plurality of evaporation plates that use capillary action to suck up water and are supplied with moisture, and a comb-shaped fixing member that connects the plurality of evaporation plates.
  • a natural evaporation humidifier having an element and humidifying air by natural evaporation of water is disclosed.
  • JP 7-305883 A (3rd page, 4th page, FIG. 1)
  • Japanese Patent No. 5322975 (4th page, 5th page, FIG. 1)
  • an air flow flows through the humidifying element, an electrode is provided upstream of the humidifying element, and a counter electrode that is not in direct contact with the electrode, and an ionic wind is generated in the same direction as the air flow. .
  • An air flow and an ionic wind in the same direction as the air flow are passed through the humidifying element.
  • water is supplied to the entire humidifying element by the capillary phenomenon of the humidifying element impregnated in the water supply device. In the case of the above-described configuration, the most dry air is passed through the windward end portion of the humidifying element, and thus the evaporation performance in this region is high.
  • the mineral component contained in the tap water supplied to the humidification element is easy to concentrate.
  • the scale deposition becomes remarkable in this region.
  • the depositing scale closes the gap of the humidifying element and inhibits the capillary action, so that the water absorption performance of the humidifying element is lowered.
  • the performance degradation in the most humidified region becomes remarkable, and there is a problem that the humidification performance of the entire apparatus is degraded.
  • a slit is provided in the evaporation plate, and water is uniformly diffused to each humidified region by a capillary phenomenon.
  • the evaporation plate has a region where it is easy to humidify at the installation position and a region where it is difficult to humidify, when water is evenly diffused in the evaporation plate, mineral components such as calcium ions contained in tap water in the region where it is easy to humidify Concentration is improved and the amount of scale deposition increases. For this reason, a reduction in humidification performance in a region where humidification is likely to occur becomes a problem.
  • the present invention has been made to solve the above-described problems, and a humidifier that suppresses performance deterioration of a water-absorbent humidifier due to scale deposition in a region with high humidification performance, and an air equipped with the humidifier It aims to provide a harmony machine.
  • a humidifier according to the present invention is provided along at least one water-absorbing humidifier, water supply means for supplying humidified water from the outside to a water supply portion above the water-absorbent humidifier, and the water-absorbent humidifier.
  • the water-absorbing humidifying material includes a water suppression unit that suppresses the humidified water supplied by the water supply means from moving toward the leeward side of the water supply portion. .
  • the humidifying device from the upper side where the water-absorbing humidifier is installed, with respect to the windward end of the air flow by the blower, which is a region having high humidifying performance among the regions of the water-absorbing humidifier.
  • Supply water for humidification (humidified water).
  • the water-absorbing humidifier is provided with a water suppression unit that includes a water suppression unit that blocks water contained in the water-absorbent humidifier from diffusing into the water-absorbent humidifier.
  • the windward lower end portion of the water suppression unit is installed on the leeward side of the portion to which the humidified water of the water absorbent humidifier is supplied.
  • the supplied humidified water is concentrated and diffused mainly in a region where the humidifying performance of the water absorbent humidifier is high. For this reason, in the water-absorbing humidifier, the amount of humidified water flows most in the portion where the humidified water is most likely to evaporate, so it is possible to suppress the concentration of mineral components contained in the water while exhibiting high humidification performance. It is possible to suppress the decrease in the humidifying performance of the water-absorbing humidifier.
  • FIG. It is a block diagram of the humidification apparatus which concerns on Embodiment 1.
  • FIG. It is a partial expanded sectional view of a water absorbing humidifier. It is a block diagram which shows an example of the humidification apparatus which concerns on Embodiment 1.
  • FIG. It is the schematic which shows the example of the shape of a water absorbing humidifier.
  • FIG. It is a block diagram which shows an example of the air conditioning conditioner mounted with a humidifier.
  • Embodiment 4 It is a block diagram of the humidification apparatus which concerns on Embodiment 4. It is the block diagram seen from the upper part of FIG. It is the elements on larger scale of FIG. Schematic which shows the example of the shape of the projection part of an electrode. It is a perspective view of the wire electrode shown in Embodiment 4 of this invention. It is a figure showing the humidification performance evaluation result of the humidification apparatus which concerns on Embodiment 4 of this invention. It is the figure which looked at the water absorbing humidifier of the humidifier which concerns on Embodiment 5 from the side surface. It is the figure which looked at the water absorbing humidifier of the humidifier which concerns on Embodiment 6 from the side surface. It is the figure of an example which looked at the water absorbing humidifier of the humidification apparatus which concerns on Embodiment 6 from the side surface.
  • FIG. 1 is a configuration diagram of a humidifying device 9 according to Embodiment 1 of the present invention.
  • the humidifier 9 according to the first embodiment includes a supply unit 2 that stores humidified water 1 that humidifies the humidified space, and a water suppression unit 5 that supplies the humidified water 1 from the supply unit 2.
  • the nozzle 3 which is a water supply means for supplying to the water-absorbing humidifier 4 having the water suppression unit 56, at least one water-absorbing humidifier 4 standing upright, and the water-absorbing humidifier 4 adjacent to each other.
  • a blower 8 that flows air 7 and a drain pan 6 that receives surplus water from the water-absorbing humidifier 4 are configured.
  • the supply unit 2, the nozzle 3, the water-absorbing / humidifying material 4, the drain pan 6 and the blower 8 may be fixed by a predetermined support or the like.
  • the structure of this support body is not specifically limited, What is necessary is just to select suitably according to the use of the humidification apparatus 9. FIG.
  • FIG. 2 is a partially enlarged cross-sectional view of the water-absorbing humidifier 4 in FIG.
  • the humidification water 1 aims at humidification of the humidification space
  • any of pure water, tap water, soft water, and hard water may be used.
  • water containing a small amount of mineral components including calcium ions or magnesium ions for example, pure water is more used.
  • the ionic component in the solution reacts with carbon dioxide to generate a solid, which may block the gap 10 of the water absorbent humidifier 4.
  • gap part 10 of the water absorbing humidifier 4 is mentioned later.
  • the supply unit 2 serving as water supply means stores the humidified water 1 and supplies the humidified water 1 to the water-absorbing humidifier 4, and absorbs water at the nozzle 3 using a drive unit (not shown) such as a pump.
  • the humidifying water 1 is supplied from the upper outside where the humidifying material 4 is erected.
  • the water supply means is configured by the supply unit 2 and the nozzle 3, and in the present embodiment, the humidified water 1 is dropped and supplied.
  • the drive part should just be what can convey the humidification water 1, for example, is a non-displacement pump or a positive displacement pump etc., and is not specifically limited.
  • the nozzle 3 is installed at a position away from directly above the water-absorbing humidifying material 4, and the humidifying water 1 conveyed from the supply unit 2 is supplied to the wind of the water-absorbing humidifying material 4 which is the region having the highest humidifying performance from the outside. It is dropped and supplied to the upper part on the upper side.
  • the dripping place is not limited to the region having the highest humidification performance, but may be an upper portion of the water-absorbing humidifier 4.
  • the nozzle 3 has a hollow shape, and the outer diameter and inner diameter thereof may be selected according to the required supply amount of the humidifying water 1, that is, the size and thickness of the water-absorbing humidifying material 4.
  • the tip shape of the nozzle 3 may be any shape such as a triangular pyramid shape, a quadrangular pyramid shape, a circular tube shape, and a quadrangular tube shape. It was set to 0.5 mm. This is because when the tip has an acute angle, the water drops are better cut. A sharper angle is preferred, but if it is too sharp, handling becomes difficult and the strength becomes brittle, so the acute angle is preferably in the range of 10 to 45 degrees.
  • the hole diameter at the outlet of the nozzle 3 is preferably in the range of 0.1 to 0.6 mm.
  • the material of the nozzle 3 may be a metal such as stainless steel, tungsten, titanium, silver, or copper, or a resin such as PTFE, polyethylene, or polypropylene, but is not limited thereto.
  • the water distribution pipe 20 connected to the nozzle 3 is an inexpensive copper pipe
  • the material of the nozzle 3 is polypropylene
  • the polypropylene will deteriorate due to the catalytic action of copper.
  • PTFE or polyethylene is preferred.
  • the nozzle 3 If the length of the water-absorbing humidifier 4 in the flow direction of the air 7 sent from the blower 8 (the length from the windward side end 40 to the leeward side end 41 in FIG. 1) is long, the nozzle 3 However, if only one is used, the portion for supplying the humidified water 1 becomes too local, and the region for evaporating the humidified water 1 may be insufficient. In that case, it is preferable to use a plurality of nozzles 3 so that the humidified water 1 can be supplied to a necessary area. If the length of the air 7 in the ventilation direction is, for example, 60 mm or less, the number of nozzles 3 may be one, but if it exceeds 60 mm, a plurality of nozzles are preferable. The positions where the plurality of nozzles 3 are installed are appropriately determined depending on the shape of the water-absorbing humidifier 4, the length of the air-absorbing humidifier 4 in the direction of ventilation of the air 7, the range in which the humidifying water 1 is supplied, and the like.
  • the supply amount of the humidified water 1 needs to be larger than the amount of water that is actually used for humidification, but if it is too large, the amount of wasted water increases, so it is desirable to control it to an appropriate amount.
  • the humidifying performance per unit area of the water-absorbing humidifying material 4 is 2000 mL / h / m 2
  • the size of the water-absorbing humidifying material 4 is 200 ⁇ 50 mm
  • the front and back surfaces can be humidified.
  • the humidification amount per sheet of the water-absorbing humidifying material 4 is 40 mL / h, it is desirable to supply in the range of 60 to 200 mL / h, which is 1.5 to 5 times that amount.
  • FIG. 3 is a configuration diagram illustrating an example of the humidifier according to the first embodiment.
  • a fiber, resin, or metal water absorbent 55 may be provided between the nozzle 3 and the water absorbent humidifier 4 in contact with the water absorbent humidifier 4.
  • the number of nozzles 3 increases and there is a possibility that it cannot be supplied appropriately.
  • a water absorbent 55 (not shown) so as to be in contact with the water absorbent humidifier 4
  • a plurality of water absorbent humidifiers 4 are provided, and humidification is ensured even if the number of nozzles 3 increases. Water 1 can be supplied.
  • the water-absorbing humidifying material 4 has, for example, a shape having a three-dimensional network structure.
  • the three-dimensional network structure is a structure similar to a resin foam having high water absorption such as sponge.
  • the water-absorbing humidifier 4 is constituted by a trunk portion 11 and a gap portion 10 formed in the trunk portion 11.
  • the material of the water-absorbing / humidifying material 4 according to the present embodiment is, for example, porous metal, ceramic, resin, non-woven fabric, or fiber, and it may be configured by a foam or a mesh body. It is not limited.
  • the metal species is not particularly limited.
  • the metal species include metals such as titanium, copper, and nickel, noble metals such as gold, silver, and platinum, nickel alloys, Examples include alloys such as cobalt alloys. These can be used alone or in combination of two or more. Further, these metals may be plated with zinc, nickel, tin, chromium, copper, silver, gold or the like.
  • titanium suppresses the generation of discharge products such as ozone due to its catalytic effect, has good resistance to electric corrosion and electric wear, and further has a shape of the water-absorbing humidifying material 4 over a long period of time. It is the most preferable metal species because it can be held and stably humidified.
  • the water-absorbing humidifying material 4 is ceramic
  • examples of the material thereof include alumina, zirconia, mullite, cordierite, silicon carbide, and the like, but the material is not limited to these, and any material or structure that absorbs water may be used. That's fine.
  • the water-absorbing humidifying material 4 is a resin
  • the material is not particularly limited, and examples thereof include polyethylene, polypropylene, ethylene / vinyl acetate copolymer, and the like, but are not limited thereto, and materials that absorb water Anything having a structure may be used.
  • examples of the material include acetate, polyester, nylon, and the like, but are not limited thereto.
  • what formed the porous body by using resin as a material and coated metal powder may be used.
  • the surface layer of the water-absorbing humidifier 4 may be subjected to a hydrophilization treatment from the viewpoint of increasing the amount of humidified water 1 retained and preventing deterioration of water absorption performance.
  • a hydrophilization treatment from the viewpoint of increasing the amount of humidified water 1 retained and preventing deterioration of water absorption performance.
  • the hydrophilic treatment method for example, the hydrophilic treatment by coating with a hydrophilic resin or the hydrophilic treatment by corona discharge may be performed.
  • FIG. 4 is a schematic view showing an example of the shape of the water-absorbing humidifier 4.
  • the figure shown in the upper column is a top view of the water-absorbing humidifier 4 as viewed from above, and the figure shown in the lower column is a horizontal cut of the water-absorbing humidifier 4 at the centroid of the top view.
  • FIG. The shape of the water-absorbing humidifying material 4 is not particularly limited, and may be, for example, a flat plate shape (A), a quadrangular prism shape (B), or a cylindrical shape (C) as shown in FIG. Further, it may be a circular cylindrical shape (D), a square cylindrical shape (E), or a triangular cylindrical shape (F) having a cavity inside, and may be appropriately adjusted according to the size of the humidifying device 9 to be manufactured. .
  • the thickness of the water-absorbing humidifying material 4 may be adjusted as appropriate according to the size of the humidifying device 9 to be manufactured, but after producing the sheet-like water-absorbing humidifying material 4 having a thickness of 0.5 mm or more and 2 mm or less, a desired thickness is obtained. What is necessary is just to cut into a shape and process it into a desired shape.
  • the processing method is not particularly limited, and may be performed by various methods such as wire cutting, laser cutting, press punching, cutting, manual cutting, or bending.
  • the water suppression part 5 interrupts
  • a slit is provided in a part of the water-absorbing humidifier 4 to mechanically suppress, or a part of the water-absorbing humidifier 4 is cut or notched. You may suppress mechanically.
  • a part of the water-absorbing humidifying material 4 is compressed to close the gap 10 (see FIG. 2), the gap 10 is closed by thermal fusion, and the gap 10 is filled with an adhesive to suppress the capillary phenomenon.
  • a hydrophobic substance is applied to a part of the water-absorbing humidifier 4 to prevent entry into the gap 10, or when unitizing with a plurality of water-absorbing humidifiers 4,
  • a method of suppressing the flow 53 of water by providing a through-hole and inserting a low-water-absorption spencer that fixes each of the plurality of water-absorbing humidifiers 4 into the through-hole is included.
  • a material with low water absorption is preferable and resin, such as PTFE, polyethylene, a polypropylene, may be sufficient, and it is not limited to these.
  • the shape of a spencer should just be a thing which can laminate
  • FIG. As a configuration in the case where the water flow 53 is not completely blocked, for example, there is a method of adjusting the amount of compression when the gap 10 is closed by compression of the water-absorbing humidifier 4 described above. By adjusting the amount by which the gap 10 of the water-absorbing humidifier 4 is closed and increasing the resistance of the water flow 53 to the uncompressed portion, the resistance of water diffusion is increased, and the water-absorbing humidifier 4 It becomes possible to suppress the diffusion of the water contained therein.
  • the water suppression part 5 should just be provided so that the humidification water 1 dripped from the nozzle 3 may flow a lot in the area
  • FIG. Specifically, the position of the water suppression unit 5 is the leeward side in the ventilation direction of the air 7 flowing along the water absorbent humidifier 4 with respect to the location where the nozzle 3 drops the humidified water 1 onto the water absorbent humidifier 4. It is preferable to provide in. More specifically, it is desirable that the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is on the windward side of the windward lower end position 54 of the water suppressing unit 5 in the horizontal direction.
  • the location where the humidification water 1 is dripped is not limited to the region where the humidification performance is highest, but may be from the upper part of the water-absorbing humidifier 4. That is, the position of the water suppression unit 5 is not limited to the shape and position shown in FIG. 1, but the size and strength of the water-absorbing humidifier 4, the performance of holding the humidified water 1, and the humidified water 1 are diffused. What is necessary is just to set suitably considering performance, the quantity which supplies the humidification water 1 to the water absorption humidification material 4, the water suppression performance of the water suppression part 5, etc.
  • the water suppression unit 5 is provided in a direction perpendicular to the ventilation direction of the air 7 as an example, and the water suppression unit 50 and the water flow through the upper end 42 and the lower end 43 of the water absorbent humidifier 4.
  • a water part 51 is placed and provided.
  • a part of the humidified water 1 dripped from the nozzle 3 is supplied to the leeward side portion 45 through a portion where the water suppressing portion 5 on the upper part of the water absorbent humidifier 4 is not provided.
  • the leeward side portion 45 of the wet humidifying material 4 is humidified.
  • the width of the water suppression unit 5 may be determined by the size and strength of the water-absorbing humidifier 4.
  • the ratio at which the water suppression unit 5 is provided is preferably 50% or more of the dimension from the upper end 42 to the lower end 43 of the water-absorbing humidifier 4, and if it is less than that, the humidified water 1 easily moves to the leeward side of the water suppression unit 5. Therefore, the concentration of the scale component in the windward portion 44 of the water-absorbing humidifier 4 cannot be suppressed.
  • the water suppression portion 5 provided along the ventilation direction of the air 7 has a single configuration, but a plurality of water suppression units 5 may be arranged along the ventilation direction of the air 7.
  • the water suppression unit 56 represents a single or a plurality of aggregates of the water suppression units 5.
  • the drain pan 6 receives the humidified water 1 that cannot evaporate from the water-absorbing humidifier 4, and discharges the humidified water 1 through the drain port 60.
  • the blower 8 is configured to flow air 7 in parallel along the surface of the water-absorbing humidifier 4 in a space where at least one or more water-absorbent humidifier 4 is erected, and includes a sirocco fan, a propeller fan, and a line flow fan. And so on.
  • FIG. 5 is a configuration diagram illustrating an example of the air conditioner 14 on which the humidifying device 9 according to the first embodiment is mounted.
  • the air conditioner 14 provided with the humidifying device 9 according to the first embodiment includes a humidifying device 9 including a blower 8, a filter 12, and a heat exchanger 13.
  • the humidifying device 9 is disposed on the leeward side of the heat exchanger 13 and ventilates the air 7 heat-exchanged by the heat exchanger 13 to humidify the space.
  • the humidified water 1 stored in the supply unit 2 is conveyed to the nozzle 3, and the nozzle 3 to which the humidified water 1 is conveyed is a portion where the humidifying performance of the water absorbent humidifier 4 is high from above the water absorbent humidifier 4.
  • the humidified water 1 is supplied to the water-absorbing humidifier 4 by dropping the humidified water 1 toward the windward side portion 44 or the upper end 42 of the other water-absorbent humidifier 4.
  • the water absorbent humidifier 4 can utilize its own capillary force and the gravity of the humidified water 1. Therefore, the humidified water 1 is diffused into the water absorbent humidifier 4 through the gap 10 of the water absorbent humidifier 4.
  • the humidifying water 1 is a water suppressing unit 5 provided on the leeward side from the position where the humidifying water 1 is supplied to the water absorbing humidifying material 4 and is located on the windward side of the water suppressing unit 5 of the water absorbing humidifying material 4. It flows mainly in the windward side portion 44.
  • the space between the water-absorbing humidifier 4 is ventilated in parallel with the surface.
  • the humidified water 1 is evaporated and the air 7 is humidified by the gas-liquid contact between the humidified water 1 and the air 7 on the surface of the water absorbent humidifier 4.
  • the air 7 flows along the outer surface of the water absorbent humidifier 4.
  • FIG. 6 is a principle diagram showing a humidification mechanism.
  • the diffusion phenomenon of water vapor from the water absorbent humidifier 4 including the humidified water 1 into the air is governed by the diffusion rate Na, the diffusion coefficient is De, the moisture concentration in the air 7 is Ca, and the water absorbent humidifier 4 is The diffusion rate Na is given by equation (1), where Co is the water concentration, and ⁇ is the saturated film thickness 15 of the water vapor.
  • the saturated film thickness 15 ⁇ of water vapor is given by the equation (2).
  • the humidification principle is that, from the boundary layer equation shown in equation (2), the saturated boundary film layer thickness 15 ⁇ of water vapor decreases with the change in the wind speed U of the air 7, so the diffusion rate Na increases from equation (1) and the humidifying performance. Will improve.
  • the saturated boundary film layer thickness 15 ⁇ of the water-absorbing humidifier 4 on the windward end portion 40 side with respect to the ventilation direction of the air 7 is the thinnest, the portion of the water-absorbent humidifier 4 on the windward end portion 40 side. Demonstrates high humidification performance.
  • the air conditioner 14 provided with the humidifying device 9 draws air 7 into the air conditioner 14 by the blower 8. Since the air 7 contains fine particles, the fine particles are collected by the filter 12, and the air 7 is heated or cooled by the heat exchanger 13, and is passed through the humidifier 9 to be humidified.
  • the windward side end 40 which is the region with the highest humidification performance in the water absorbent humidifier 4, is provided.
  • the humidified water 1 can be intensively supplied to the region with the highest humidification performance.
  • this region is increased without increasing the amount of wasted water supplied to prevent the humidified water 1 from evaporating and concentrating the scale components in the peripheral portion of the windward end portion 40 of the water absorbent humidifier 4.
  • the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is located on the windward side of the wind lower end position 54 of the water suppression unit 56 configured by a single or a plurality of water suppression units 5 in the horizontal direction.
  • the same effect can be obtained.
  • FIG. 7 is a side view of the water-absorbing humidifier 4 of the humidifying device 9 according to Embodiment 2 of the present invention.
  • the water suppression unit 5 is provided on the leeward side of the place where the humidified water 1 of the water absorbent humidifier 4 is supplied, that is, the lee end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is
  • a plurality of the water suppression units 5 are provided intermittently in the vertical direction with respect to the ventilation direction of the air 7, on the windward side of the wind lower end position 54 of the water suppression unit 5 in the horizontal direction.
  • Other configurations of the humidifying device 9 are the same as those in FIG.
  • the ratio of the humectant 4 to the vertical dimension is not limited to that shown in FIG. 7, but the size and strength of the water-absorbing humidifier 4, the performance of holding the humidified water 1, the humidified water 1 May be set as appropriate in consideration of the performance of diffusing water, the amount of humidified water 1 supplied to the water-absorbing humidifier 4, the number and position of the nozzles 3.
  • the water suppression unit 5 a and the water suppression unit 5 b provided along the ventilation direction of the air 7 have only one configuration, but a plurality of the water suppression unit 5 a and the water suppression unit 5 b may be arranged along the ventilation direction of the air 7.
  • FIG. 8 is a view of the water-absorbing humidifier 4 of the humidifying device 9 according to Embodiment 3 of the present invention as seen from the side.
  • the water suppression units 5 are provided at two locations intermittently in a direction perpendicular to the air flow direction of the air 7 on the leeward side of the place where the humidified water 1 of the water absorbent humidifier 4 is supplied, and arranged on the upper side.
  • the water suppression unit 5a is arranged obliquely with the lower end 43 positioned on the leeward side with respect to the upper end 42, and the water suppression unit 5b arranged on the lower side is arranged with the intermittent portion 52 interposed therebetween. And are arranged symmetrically in the direction perpendicular to the ventilation direction. That is, the water suppressing part 5 is provided in a square shape with the wide side facing the leeward side and the narrow side facing the leeward side. That is, the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is configured on the windward side of the windward lower end position 54 of the water suppressing unit 5 in the horizontal direction.
  • Other configurations of the humidifying device 9 are the same as those in FIG.
  • the water suppression part 5a and the water suppression part 5b do not need to be the same about the arrangement
  • strength of the water absorbing humidifier 4, and humidification water 1 May be set as appropriate in consideration of the performance of holding the water, the performance of diffusing the humidified water 1, the amount of the humidified water 1 supplied to the water-absorbing humidifier 4, and the number and position of the nozzles 3.
  • the water suppression unit 5 a and the water suppression unit 5 b provided along the ventilation direction of the air 7 have only one configuration, but a plurality of the water suppression unit 5 a and the water suppression unit 5 b may be arranged along the ventilation direction of the air 7.
  • the lower end 43 in which the amount of the humidified water 1 is likely to decrease with respect to the upper end 42 side of the water-absorbing humidifier 4 is provided by providing the upper end of the lower water suppressing portion 5b on the leeward side with respect to the lower end.
  • the humidified water 1 on the side is prevented from diffusing too much on the leeward side, and the humidified water 1 is easily held on the leeward side 44 side. Therefore, since the distribution of the humidified water 1 contained in the water-absorbing humidifying material 4 can be adjusted more appropriately than in the second embodiment, the scale deposition at the windward side portion 44 of the water suppressing unit 5 can be suppressed while the implementation is performed. A humidification performance higher than that of the humidifier according to Embodiments 1 and 2 is obtained.
  • Embodiment 4 FIG.
  • the humidifier 9 according to the fourth embodiment and the air conditioner 14 provided with the humidifier 9 will be described with a focus on differences from the first embodiment.
  • FIG. 9 is a configuration diagram of the humidifying device 9 according to Embodiment 4 of the present invention.
  • a humidifying device 9 according to the present embodiment includes a supply unit 2 that stores humidified water 1 to be humidified in a humidification space, and a water-absorbing humidifying material 4 that includes a water suppression unit 5 from the supply unit 2.
  • At least one nozzle 3 that is a water supply means for supplying the humidified water 1 to the surface, and a water-absorbing humidifier 4 having the same potential as the ground potential, and a surface of the water-absorbing humidifier 4 having a predetermined distance.
  • the supply unit 2, the nozzle 3, the water-absorbing humidifier 4, the electrode 17, the power source 18, the blower 8, and the drain pan 6 are assumed to be fixed by a predetermined support body or the like. That's fine.
  • the structure of this support body is not specifically limited, What is necessary is just to select suitably according to the use of the humidification apparatus 9.
  • FIG. The electrode 17 according to the fourth embodiment is opposed to the entire surface of the water-absorbing humidifier 4.
  • FIG. 10 is a configuration diagram viewed from the top of FIG.
  • FIG. 11 is a partially enlarged view of FIG. 10 and is a principle diagram showing a mechanism of humidification by the ion wind 19.
  • conductive protrusions 17 a are formed on both surfaces of the electrode 17 so as to be perpendicular to the surface of the water-absorbing humidifier 4 facing the electrode 17.
  • an ion wind 19 is generated from the protrusion 17a toward the normal direction of the surface of the water-absorbing humidifier 4.
  • the humidification performance can be improved significantly by the ion wind 19 colliding with the water absorbing humidifier 4. This principle will be described later.
  • the electrode 17 desirably has conductivity in order to form a corona discharge in the space between the water-absorbing and humidifying material 4.
  • a material for example, a metal, a metal alloy, a conductive resin, or the like is preferable.
  • the porous metal which has water absorptivity, a conductive resin, and the ceramic containing a metal may be sufficient.
  • the electrode 17 only needs to have a low electric resistance, and aluminum, copper, stainless steel, and the like are preferable from the viewpoints of versatility and workability, but are not limited thereto.
  • the size of the electrode 17 is not particularly limited, and may be appropriately adjusted according to the size of the humidifying device 9 to be manufactured.
  • FIG. 12 is a schematic diagram showing an example of the shape of the protrusion 17a of the electrode 17. As shown in FIG. In FIG. 12, the bold line in the top view represents the electrode 17, and the outer square in the side view represents the water-absorbing humidifier 4.
  • the electrode 17 has a shape in which corona discharge easily occurs between the water-absorbing and humidifying material 4, and the electrode 17 has a protrusion 17a as shown in FIG. 12, and the protrusion 17a has a triangular shape (A ), A shape such as a needle shape (B), a saw blade shape (C) or the like, or a wire shape in which a conductive wire 17b is disposed inside the electrode 17 as shown in FIG.
  • the top view of FIG. 12 is the figure which looked at the electrode 17 from the upper side of FIG. 9, and the side view of FIG. 12 is the figure which looked at the electrode 17 from the right side of FIG.
  • the triangular-shaped (A) electrode 17 has a plurality of triangular protrusions 17a arranged in the row direction and / or column direction, or the protrusions 17a arranged in a staggered manner.
  • a plurality of needle-shaped (B) electrodes 17 are arranged in the row direction and / or in the column direction, or the protrusions 17a are arranged in a staggered manner.
  • the saw-tooth shaped (C) electrode 17 is formed by arranging metal plates each having a plurality of tips formed in one row in the row direction or the column direction.
  • FIG. 13 is a perspective view of the wire electrode shown in this embodiment.
  • the wire-shaped electrode 17 is formed by arranging wire wires 17 b having a diameter of 0.1 to 1 mm at equal intervals inside the electrode 17.
  • the electric field strength around the wire 17b is increased, and corona discharge can be generated. Therefore, the ion wind 19 can be generated toward the normal direction with respect to the surface of the water-absorbing humidifier 4.
  • the protrusion 17a of the electrode 17 is preferably formed in a direction perpendicular to the surface of the water-absorbing humidifier 4 facing the electrode 17, but has an angle of 90 ° in the same direction as the ventilation direction from the blower 8.
  • the air flow direction of the blower 8 and the direction of the ion wind 19 can be brought close to each other, and the pressure loss of the flow of the air 7 of the blower 8 can be reduced by the ion wind 19.
  • the power source 18 is connected to an electrode 17, and a (high) voltage is applied to the electrode 17 to cause corona discharge in a space with the water-absorbing humidifier 4.
  • the water absorbent humidifier 4 is grounded and a voltage is applied to the electrode 17 provided facing the water absorbent humidifier 4. desirable. This is because if the voltage is applied to the water-absorbing humidifying material 4 containing the humidifying water 1, the water-absorbing humidifying material 4 may be deteriorated due to electric corrosion. It is desirable to apply a voltage to the electrode 17 provided opposite to the electrode 17.
  • the polarity to be applied may be a DC voltage, and it is desirable to apply a positive voltage that generates a small amount of ozone.
  • a superimposed pulsed voltage obtained by superimposing a pulsed voltage on a DC voltage may be applied to the electrode 17.
  • an electrostatic field is formed between the electrode 17 and the water-absorbing humidifier 4 by applying a DC voltage equal to or lower than the corona discharge start voltage, and the water-absorbing humidifier 4 is superimposed by superimposing a pulse voltage on the DC voltage. Ions are emitted with a pulsed voltage in the plane direction of, and the emitted ions generate an ion wind 19 accelerated by an electrostatic field.
  • the ion wind 19 can be generated with low power consumption and low ozone generation, which in turn promotes humidification. it can.
  • the DC voltage input value and the pulse voltage input value may be determined according to the distance between the water-absorbing humidifier 4 and the tip of the protrusion 17a of the electrode 17.
  • the duty ratio defined by the frequency of the pulse voltage may be determined according to the specifications of the humidifier 9.
  • the distance between the water-absorbing humidifier 4 and the tip of the protrusion 17a of the electrode 17 is preferably 3 mm or more. If it is less than 3 mm, when a positive DC voltage is applied to the electrode 17, a spark discharge is generated directly from the glow corona, so that the ionic wind 19 is not generated and the saturated air layer near the surface of the water-absorbing humidifier 4 cannot be stirred. .
  • the humidified water 1 stored in the supply unit 2 is conveyed to the nozzle 3, and the nozzle 3 to which the humidified water 1 is conveyed is a portion where the humidifying performance of the water absorbent humidifier 4 is high from above the water absorbent humidifier 4.
  • the humidified water 1 is supplied to the water absorbent humidifier 4 by dropping the humidified water 1 toward a certain windward portion 44.
  • the water-absorbing humidifier 4 has a capillary force and can utilize the gravity of the humidifying water 1.
  • the humidified water 1 is diffused into the water absorbent humidifier 4 through the gap 10 of the water absorbent humidifier 4.
  • you may comprise the windward lower end position 3a of the supply part 2 containing the nozzle 3 in a horizontal direction in the windward side rather than the wind lower end position 54 of the water suppression part 5 in a horizontal direction.
  • Air 7 flows from the windward side of the water absorbent humidifier 4 as shown in FIG. 9 and is blown through the space between the water absorbent humidifier 4 and the electrode 17 in parallel with the surface of the water absorbent humidifier 4. The Thus, the air 7 evaporates by gas-liquid contact with the surface of the water-absorbing humidifying material 4, and the space is humidified. At this time, when a voltage is applied from the power source 18 to the electrode 17, corona discharge occurs from the electrode 17 to the water-absorbing humidifier 4 having the same potential as the ground potential. Then, ions are generated by the charge released from the electrode 17 by corona discharge adhering to a substance having a high electric affinity in the air.
  • the generated ion species is accelerated by the electric field formed by the water-absorbing humidifier 4 and the electrode 17 and moves in the normal direction with respect to the surface of the water-absorbing humidifier 4 as a counter electrode. Collisions with sex molecules occur, and ions and neutral molecules move in the direction of the surface of the water-absorbing humidifier 4 to generate a wind called ion wind 19.
  • FIG. 14 is a diagram showing a humidification performance evaluation result of the humidifier according to Embodiment 4 of the present invention.
  • FIG. 14 shows the humidifying device 9 shown in FIG. 9, which is made of a porous metal and has a distance of 5 mm between the water-absorbing humidifier 4 having a length of 100 mm and the tip of the protrusion 17a of the electrode 17 in the direction of air 7 ventilation.
  • the ventilation of the air 7 when the height of the projection 17a of the electrode 17 is 2 mm and the fan 8 ventilates the space between the water absorbent humidifier 4 and the electrode 17 at an average wind speed of 2.5 m / s. It is the result of having investigated the humidification performance ratio by the installation position of the electrode 17 with respect to a direction.
  • the horizontal axis of FIG. 14 is the discharge power indicated by the product of the voltage value applied to the electrode 17 and the discharge current to the water-absorbing humidifier 4, and the performance ratio shown on the vertical axis is the humidification when no voltage is applied to the electrode 17.
  • the performance ratio by the action of the ion wind 19 excluding the evaporation performance due to the Joule heat of the discharge is shown on the basis of the performance. In this test, a positive DC voltage was applied to the electrode 17 and the water-absorbing humidifier 4 was grounded.
  • the humidifying performance due to the difference in the position of the electrode 17 that generates the ion wind 19 was examined.
  • the configuration of the electrode 17 is the same.
  • the condition in which the electrode 17 is provided on the windward side along the direction of the air 7 is defined as the condition 201, and the condition in which the electrode 17 is provided on the leeward side is defined as the condition 202.
  • the performance ratio is different even when the same discharge power is input, and the performance is higher when the electrode 17 is provided on the leeward side. be able to. This is because mass transfer from the water-absorbing humidifier 4 is promoted by disturbing the air layer in the vicinity of the surface of the water-absorbent humidifier 4 in the region where the dry air 7 flows as shown by the equation (1). Therefore, the humidifying performance ratio is different even with the same discharge power. From this result, it was shown that the humidification performance ratio can be controlled by changing the region to which the ion wind 19 is applied.
  • the electrode 17 for generating the ion wind 19 in the direction of the air 7, the protrusion 17 a and the wire 17 b are arranged on the windward side, and a voltage is input to each electrode 17 with the required humidification performance.
  • the ion wind 19 can be applied to the water-absorbing humidifier 4 in each region, and the humidification performance can be controlled.
  • the electrode 17 may be disposed so as to face the entire surface of the water-absorbing humidifier 4 or may be disposed so as to face only the upwind portion 44. Even when the protrusion 17 a or the wire 17 b is provided on the electrode 17, it may be provided so as to face the entire surface of the water-absorbing humidifying material 4, or may be provided only on the part facing the windward side part 44.
  • the location to which the voltage is applied is controlled according to the required humidification performance, and the region to which the ion wind 19 is applied is only the windward portion 44, or the ion wind 19 is applied to the leeward side portion 45.
  • the increase / decrease in the amount of humidification can be controlled by switching the application of voltage or by stopping the application of voltage to eliminate the generation of the ion wind 19.
  • the electrode 17 that generates the ion wind 19 in the direction of the air 7 and the protrusion It is possible to apply the ion wind 19 to the water-absorbing humidifier 4 in each region by arranging a plurality of portions 17a from the windward side and inputting a voltage to each electrode 17 with the required humidification performance. The performance can be controlled. In addition, by changing the electrode 17 to which the voltage is applied with respect to the required humidification performance, the scale is deposited not only in the region where the effect of the ionic wind 19 of the water absorbent humidifier 4 is the highest, but also on the entire surface of the water absorbent humidifier 4. Thus, the life of the water-absorbing humidifier 4 can be extended.
  • Embodiment 5 FIG.
  • the humidifier 9 according to the fifth embodiment and the air conditioner 14 provided with the humidifier 9 will be described with a focus on differences from the first embodiment.
  • FIG. 15 is a view of the water-absorbing humidifier 4 of the humidifier 9 according to Embodiment 5 of the present invention as viewed from the side.
  • the water suppression part 5 is provided in two places on both sides of the intermittent part 52 in the direction perpendicular
  • the water suppression part 5c is arrange
  • the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is configured on the windward side of the windward lower end position 54 of the water suppressing unit 5 in the horizontal direction.
  • the structure of the other part of the humidification apparatus 9 is the same as FIG.
  • the water suppression unit 5a and the water suppression unit 5b do not have to have the same positional relationship with the intermittent portion 52 with respect to the position where the water suppression unit 5a and the water suppression unit 5b are disposed and the relative position of the air 7 in the ventilation direction.
  • the size and strength of the water-absorbing humidifier 4, the ability to hold the humidifying water 1, the ability to diffuse the humidifying water 1, the amount of the humidifying water 1 supplied to the water-absorbing humidifier 4, the number of nozzles 3, and the position of the nozzle 3 May be set as appropriate.
  • the water suppression part 5c provided in the leeward side of the water suppression part 5a and the water suppression part 5b is arrange
  • the water suppression unit 5 a, the water suppression unit 5 b, and the water suppression unit 5 c are arranged in a staggered manner in the longitudinal direction in a direction perpendicular to the ventilation direction of the air 7.
  • a plurality of portions 5a to 5c may be provided in a staggered manner.
  • a plurality of water suppression portions 5a to 5c may be provided in a zigzag shape with the longitudinal direction of the air 7 in the horizontal direction and the ventilation direction.
  • the air lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is arranged on the windward side of the wind lower end position 54 of the water suppressing unit 5 in the horizontal direction, and then the air 7
  • the water suppression portion 5 becomes a resistor, and the flow 53 of the humidified water 1 per hour supplied to the leeward side portion 45 of the water absorbent humidifier 4 is Less.
  • the humidified water 1 supplied from the supply unit 2 including the nozzle 3 increases the flow of the humidified water 1 per hour to the windward side portion 44 of the water-absorbing humidifier 4 having high humidification performance, and the scale component.
  • the degree of enrichment can be reduced.
  • the humidifier 9 according to the fifth embodiment can suppress scale deposition at the windward side portion 44 of the water suppression unit 5.
  • Embodiment 6 FIG.
  • the humidifier 9 according to the sixth embodiment and the air conditioner 14 provided with the humidifier 9 will be described with a focus on differences from the first embodiment.
  • FIG. 16 is a view of the water-absorbing humidifier 4 of the humidifying device 9 according to Embodiment 6 of the present invention as viewed from the side.
  • the water suppression units 5 are provided at two locations intermittently in the direction perpendicular to the air flow direction of the air 7 on the leeward side of the place where the humidified water 1 of the water absorbent humidifier 4 is supplied.
  • the water suppression unit 5 is disposed obliquely with the upper end positioned on the leeward side with respect to the lower end.
  • the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is configured on the windward side of the windward lower end position 54 of the water suppressing unit 5 in the horizontal direction.
  • Other configurations of the humidifying device 9 are the same as those in FIG.
  • FIG. 17 is a diagram of an example of the water-absorbing humidifier of the humidifier according to Embodiment 6 as viewed from the side.
  • the water suppression part 5a and the water suppression part 5b do not need to be the same regarding the arrangement
  • strength of the water absorption humidification material 4, and the humidification water 1 are hold
  • FIG. 17 is a diagram of an example of the water-absorbing humidifier of the humidifier according to Embodiment 6 as viewed from the side.
  • the water suppression part 5a and the water suppression part 5b do not need to be the same regarding the arrangement
  • the water suppression unit 5 a and the water suppression unit 5 b provided along the ventilation direction of the air 7 have only one configuration, but a plurality of the water suppression unit 5 a and the water suppression unit 5 b may be arranged along the ventilation direction of the air 7.
  • FIG. 17 it is possible to change the position of the supply part 2 containing the nozzle 3 with respect to the water absorbing humidifier 4 compared with FIG.
  • the wind lower end position 54 in the horizontal direction of each of the water suppression units 5 of the water suppression units 56 formed of the plurality of water suppression units 5a to 5d with respect to the vertical direction of the air 7 is the horizontal direction. May be provided on the windward side of the windward lower end position 3 a of the supply unit 2 including the nozzle 3.
  • the windward lower end position 3a of the supply unit 2 including the nozzle 3 in the horizontal direction is set as the windward side of the wind lower end position 54 of the water suppression unit 56 including the plurality of water suppression units 5 in the horizontal direction.
  • the humidified water 1 supplied from the supply unit 2 including the nozzle 3 is arranged to be inclined with the upper end positioned on the leeward side with respect to the lower end of the water suppression unit 5. To the lower part of the windward portion 44 of the vehicle.
  • the concentration of scale components at the lower part of the windward side portion 44 of the water absorbent humidifier 4 can be reduced.
  • the humidifier 9 according to the sixth embodiment can suppress the scale deposition at the lower portion of the windward side portion 44 of the water suppression unit 56 having the largest scale deposition.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Humidification (AREA)

Abstract

Le dépôt de tartre sur un matériau d'humidification absorbant l'eau entraîne une diminution des performances d'absorption d'eau. En conséquence, la diminution des performances d'un matériau d'humidification absorbant l'eau est remarquable dans une plage dans laquelle l'humidification est plus facile, et les performances d'humidification de l'ensemble d'un dispositif diminuent. Un dispositif d'humidification (9) est doté d'au moins un matériau d'humidification absorbant l'eau (4), d'une buse (3) qui fournit de l'eau d'humidification (1) à partir d'un côté supérieur du matériau d'humidification absorbant l'eau (4), et d'un ventilateur (8) qui force l'air à passer le long du matériau d'humidification absorbant l'eau (4). Une position d'extrémité sous le vent de direction horizontale d'un moyen d'alimentation en eau est fournie au matériau d'humidification absorbant l'eau (4) davantage sur un côté face au vent qu'une position d'extrémité sous le vent de direction horizontale d'une partie de régulation d'eau qui est positionnée sur un côté sous le vent le plus éloigné du matériau d'humidification absorbant l'eau.
PCT/JP2015/085141 2014-12-18 2015-12-16 Dispositif d'humidification et climatiseur doté d'un dispositif d'humidification WO2016098791A1 (fr)

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JP2020125870A (ja) * 2019-02-04 2020-08-20 三菱電機株式会社 加湿素子、加湿装置、空気調和機および換気装置
JP2020134004A (ja) * 2019-02-19 2020-08-31 三菱電機株式会社 加湿装置、換気装置及び空気調和機
JP2020159578A (ja) * 2019-03-25 2020-10-01 三菱電機株式会社 加湿素子、加湿装置、換気装置及び空気調和機
JP7154464B1 (ja) * 2022-02-02 2022-10-17 三菱電機株式会社 加湿装置

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JP7236872B2 (ja) 2019-02-04 2023-03-10 三菱電機株式会社 加湿素子、加湿装置、空気調和機および換気装置
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