Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
  • B60H1/00—Heating, cooling or ventilating [HVAC] devices
  • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
  • B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
  • B60H1/039—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from air leaving the interior of the vehicle, i.e. heat recovery
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
  • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
  • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
  • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
  • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
  • F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
  • F28D21/0015—Heat and mass exchangers, e.g. with permeable walls
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
  • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
  • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
  • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
  • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
  • F24F2003/1435—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification comprising semi-permeable membrane
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F2275/00—Fastening; Joining
  • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
  • F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
  • Y02B30/56—Heat recovery units

Definitions

• the present invention relates to a total heat exchange element and a total heat exchanger that are provided in an air conditioner, a ventilator, or the like and perform total heat exchange of latent heat and sensible heat between two airs having different temperatures and humidity. is there.
• a first laminar air flow path 4 and a second laminar air layered on the first laminar air flow path 4 and perpendicular to the first laminar air flow path 4 A gap that forms a flow path 5, a partition member 1 that partitions the first and second air flow paths 4, 5, and a first and second air flow path, and maintains an interval between the partition members 1 and 1.
• a holding member 2 an adhesive 3 for bonding the partition member 1 and the interval holding member 2, and a first air 6 flowing through the first layered air flow path 4 and a second air flow path 5.
• the partition member 1 serves as a medium for exchanging latent heat and sensible heat between the first and second airs 6 and 7, the heat transfer performance and moisture permeability performance of the partition member 1 are sensible heat and latent heat. It has a big influence on the exchange efficiency.
• paper made of cellulose fiber (pulp) is usually used as a material for the spacing member 2 from the viewpoint of cost.
• the partition member 1 is usually added with a hygroscopic agent (moisture permeable agent).
• a hygroscopic agent moisture permeable agent
• the water-insoluble moisture absorbent powdery moisture absorbents such as silica gel, strong acid / strong basic ion exchange resin are used (for example, see Patent Documents 1, 2, and 3).
• the total heat exchange element 10 has a gas permeability such as CO between the first and second air 6 and 7 in particular.
• the partition member 1 Since it is required to reduce the excess amount, the partition member 1 is required to have high gas shielding properties in addition to the moisture permeability (moisture absorption) performance described above.
• pulp fibers are beaten and beaten (eg, For example, refer to Patent Document 4), paper made by adding microfibrillar cellulose as a filler (for example, refer to Patent Document 5), water-soluble resin such as polyvinyl alcohol, etc.
• Patent Document 6 A material in which the hole is closed by applying to the surface (for example, see Patent Document 6) has been proposed.
• a flame retardant may be added to the partition member 1 and the spacing member 2 in order to ensure fire safety.
• an aqueous solvent adhesive force S is mainly used.
• the reason for this is that when an organic solvent adhesive is used, the organic solvent remaining in the adhesive itself is diffused and the odor accompanying the radiation is generated, which is not preferable as a total heat exchange element for an air conditioner.
• the production facility for the total heat exchange element 10 requires complicated and expensive auxiliary equipment such as an apparatus for recovering the organic solvent, resulting in an increase in cost.
• Patent Document 1 Japanese Patent No. 2829356
• Patent Document 2 Japanese Patent Laid-Open No. 10-153398
• Patent Document 3 Japanese Patent Laid-Open No. 2003-251133
• Patent Document 4 International Publication No. 2002Z099193 Pamphlet
• Patent Document 5 Japanese Patent No. 3791726
• Patent Document 6 Japanese Patent Laid-Open No. 2001-027489
• the total heat exchange element 10 in which the water-soluble hygroscopic agent is added to the partition member 1 is stronger than the humidity exchange efficiency expected from the measurement result of the moisture permeability of the single cut member 1 alone.
• the actual humidity exchange efficiency measured after being manufactured as the heat exchange element 10 will be low. This phenomenon does not occur in a partition member made of a resin sheet or the like, but is an inherent phenomenon when using a paper partition member 1 made of cellulose fiber supplemented with a water-soluble moisture absorbent. [0011] Considering the cause of this phenomenon, the following mechanism can be considered as the cause of the actual decrease in humidity exchange efficiency.
• the partition member 1 and the spacing member 2 are liquid-absorbing (in this specification, “liquid-absorbing” is distinguished from those that selectively absorb only water molecules. This is the property of absorbing the solute dissolved between the molecules at the same time.
• liquid-absorbing is distinguished from those that selectively absorb only water molecules. This is the property of absorbing the solute dissolved between the molecules at the same time.
• a substance absorbs water, for example, only water molecules are chemically selected by a functional group etc.
• it When it is taken in, when it is physically absorbed by the solute like water absorption due to capillary action of a porous substance, it also dissolves like some highly water-absorbent resin such as sodium acrylate copolymer.
• liquid absorption water absorption by capillary action and water absorption of aqueous solution are referred to as “liquid absorption”), and the like.
• the moisture absorbent is a water-soluble moisture absorbent
• the partition member 1 and the spacing member 2 as the adherend members absorb the moisture of the aqueous solvent-based adhesive. Adhesion proceeds while.
• the water-soluble hygroscopic agent added to the partition member 1 dissolves in contact with the moisture of the aqueous solvent adhesive, and at the same time diffuses in the moisture.
• the holding member 2 will be washed away to the portion where moisture has penetrated. Due to this loss, the amount of water-soluble moisture absorbent in the partition member 1 is reduced, and the actual humidity exchange efficiency of the total heat exchange element 10 is lower than the humidity exchange efficiency of the partition member 1 alone.
• Humidity exchange efficiency is greatly affected in a low humidity environment where the effect of improving the moisture permeability by adding a water-soluble hygroscopic agent is particularly large, and the humidity exchange efficiency is significantly reduced in a low humidity environment.
• the humidity exchange efficiency there is a difference between the humidity exchange efficiency and the total heat exchange efficiency in a high humidity environment and a low humidity environment, which is not limited to a decrease in humidity exchange efficiency and total heat exchange efficiency.
• FIG. 2 and FIG. 3 show the observation results.
• the light emitting points in the figure are portions where the water-soluble hygroscopic agent is distributed, but the water-soluble hygroscopic agent is distributed to every corner of the spacing member that is located only in the partition member. Therefore, the above phenomenon is actually occurring, and it is considered that the humidity exchange efficiency is reduced due to this phenomenon.
• a water-insoluble moisture absorbent may be used as the moisture absorbent to be added to the partition member 1, the water-insoluble moisture absorbent is added to the partition member 1 compared to the water-soluble moisture absorbent.
• the cost of difficult caloe increases.
• water-soluble moisture absorbents do not dissolve in the adhesion between the partition member 1 and the spacing member 2!
• the present invention has been made in view of the above, and does not dissipate organic solvents or odors, requires only a small production facility, and is a water-soluble moisture absorbent such as a partition member in the middle of device fabrication.
• the purpose of the present invention is to obtain a total heat exchange element and a total heat exchanger with little loss of flow.
• the present invention is a member that partitions between the laminated first and second layered air flow paths and to which a water-soluble moisture absorbent is added.
• a member an interval holding member that forms the first and second laminar air flow paths and holds an interval between the partition members, and an adhesive that adheres the partition member and the interval holding member.
• the adhesive is a water-solvent adhesive impregnated with a water-soluble moisture absorbent.
• the water soluble hygroscopic agent flows away to the partition member force aqueous solvent adhesive. Since the water-soluble moisture absorbent is impregnated in the adhesive, the water-soluble moisture-absorbing agent reversely permeates from the water-based adhesive to the partition member, offsetting the loss of the water-soluble moisture absorbent from the partition member, and total heat exchange. The moisture absorption performance of the device will not be reduced!
• the water-solvent adhesive is impregnated with a water-soluble hygroscopic agent and the bonding portion (adhesive) between the partition member and the spacing member has moisture permeability (hygroscopicity), This is the same as increasing the humidity exchange area, improving the humidity exchange efficiency and total heat exchange efficiency.
• the adhesive itself has moisture permeability, the moisture permeability of the total heat exchange element does not deteriorate even if the amount of adhesive applied is increased.
• the adhesion reliability between the member and the spacing member is improved, the durability of the element itself is improved, and the gap between the attachment portions is closed, reducing the amount of CO permeation.
• FIG. 1 is a perspective view showing a structure of a conventional and total heat exchange element of the present invention.
• FIG. 2 is a view showing an electron microscope (SEM) photograph of a cross section of a bonded portion of a conventional partition member and a spacing member.
• FIG. 3 is a view showing a hygroscopic agent distribution by fluorescent X-ray analysis of a cross section of an adhesive portion between a conventional partition member and a spacing member.
• FIG. 4 is an enlarged cross-sectional view of an adhesive portion between the partition member and the spacing member of the first embodiment.
• FIG. 5 is a perspective view showing a unit structural member of the total heat exchange element of the present invention.
• FIG. 6 is an enlarged cross-sectional view of an adhesion portion between a partition member and a spacing member in the second embodiment.
• FIG. 7 is a perspective view of the total heat exchanger incorporating the total heat exchange element of the present invention with the top plate removed.
• FIG. 1 is a perspective view showing the structure of the total heat exchange element of the present invention.
• the total heat exchange element 10 is laminated between the first laminar air flow paths 4 and 4 and the first laminar air flow paths 4 and 4, and the first laminar air flow path 10 4, second layered air flow paths 5 and 5 orthogonal to 4, 4 and first and second air flow paths 4 and 5, sheet-like partition member 1 partitioning between 5, and first and second air flow paths
• a corrugated sheet-like spacing member 2 that holds the spacing between the partition members 1 and 1, and an adhesive 3 that bonds the partition member 1 and the spacing member 2 to each other.
• the interval holding member 2 has a corrugated sheet shape.
• the interval holding member 2 may have, for example, a rectangular wave shape or a triangular wave shape as long as it can hold the partition members 1 and 1 at a predetermined interval. It may be a folded sheet or a plurality of plate pieces.
• FIG. 4 is an enlarged cross-sectional view of an adhesive portion between the partition member 1 and the spacing member 2 in the first embodiment.
• Partition member 1 beats cellulose fiber (pulp) for 200 seconds or more ZlOOcc Air permeability was to be ensured, weighed about special coated paper as porous' liquid absorbing material 20 g / m 2, about 4g / m 2 of lithium chloride with a deliquescent water soluble as moisture absorbent It was added.
• the partition member 1 may be a nonwoven fabric as a porous / liquid-absorbing material. It is also possible to add a flame retardant to the cutting member 1.
• spacing member 2 is a white piece Ade on quality paper as porous. Liquid-absorbent material having a basis weight of about 40 g / m 2.
• a flame retardant is added if it is a liquid-absorbing material that can absorb both the moisture in the adhesive and the moisture absorbent impregnated in the moisture during bonding. Flame retardant paper may be used. Further, the above-mentioned water-soluble moisture absorbent may be added to the spacing member 2 in advance.
• the material of the partition member 1 and the spacing member 2 is preferably a material capable of widely diffusing the aqueous solution absorbed into the member.
• a material that has liquid-absorbing properties even if only one side where a non-liquid-absorbing material and a liquid-absorbing material are bonded together is a material that has liquid-absorbing properties, both surfaces may be materials that have liquid-absorbing properties, but both surfaces may absorb. It is preferable to have a liquid property because the liquid can be quickly absorbed and diffused into the member.
• flame retardant paper is used as the material, the moisture absorbent and the flame retardant come into contact with each other in the component, so that the added moisture absorbent and the flame retardant react with each other, and the respective functions may not be reduced. It is necessary to confirm.
• a butyl acetate mulberry adhesive (solid content 40%) as a water-solvent adhesive using water as a main solvent was used.
• a water-soluble adhesive is impregnated in advance with a water-soluble adhesive.
• water-soluble moisture absorbents that are pre-impregnated into water-based adhesives include lithium metal chloride, which is an alkali metal salt, and alginic acid produced from calcium chloride, urea, seaweed, etc., which are alkaline earth metal salts, Although there are thickening polysaccharides such as alginate and carrageenan, etc., in Embodiment 1, lithium chloride, which is the same moisture absorbent as the water-soluble moisture absorbent added to the partition member 1, was used.
• lithium chloride is water-soluble in the adhesive to the butyl acetate emulsion adhesive
• lithium chloride is directly added to the butyl acetate emulsion adhesive and stirred well until dissolved. I did it.
• the adhesive other emulsion type adhesives such as butyl acetate, vinyl acetate-acrylic acid ester copolymer system, ethylene vinyl acetate copolymer (EVA) system, acrylic vinyl acetate system, etc. It is also possible to use a water-soluble polymer resin such as polybulal alcohol (PVA) or polyataryl acid (PAA).
• PVA polybulal alcohol
• PAA polyataryl acid
• the solvent of the aqueous solution that is, the adhesive component
• the solvent of the aqueous solution that is, the adhesive component
• it may coagulate (salt out) and precipitate may be formed. If the precipitate is formed, it may hinder the application of the adhesive, and the hygroscopic effect may not be exhibited as expected.
• the adhesive since the adhesive itself absorbs moisture and the adhesive resin and water are in constant contact with each other, for example, an adhesive that undergoes a cross-linking reaction upon completion of adhesion, water re-emulsification, and water resistance. It is better to use a grade of emulsion adhesive.
• a cross-linking reaction having water resistance occurs after the completion of adhesion, or the molecular weight is made as large as possible to prevent re-dissolution in water.
• the temperature of the adhesive may increase due to the heat of lithium chloride dissolution. While cooling the agent, dissolve lithium chloride little by little. Also, first dissolve the lithium chloride powder in water to make a saturated solution, lower the temperature of the saturated solution, and mix with the adhesive.
• the partition member 1 and the spacing member 2 are bonded using the above-mentioned aqueous solvent-based adhesive 3 to manufacture the total heat exchange element 10.
• the total heat exchange element 10 is manufactured by first manufacturing a unit structure member 10a with one partition member and one spacing member as shown in Fig. 5 by a corrugating machine that processes a single-stage cardboard. After applying the aqueous solvent adhesive 3 to the edge of the spacing member 2 of the member 10a using a roll coater, the next unit structural member 10a is 90 ° A total heat exchanging element 10 as shown in FIG. 1 is manufactured by rotating and stacking and adhering the next unit structure member 10a.
• FIG. 6 is an enlarged cross-sectional view of the bonding portion between the partition member 21 and the spacing member 2 of the second embodiment.
• the partition member 21 use special force-strengthened paper weighing about 20 gZm 2 with an air permeability of 200 seconds ZlOOcc or more, without adding a water-soluble moisture absorbent! /
• the spacing member 2 is the same white white high-quality paper having a basis weight of about 40 gZm 2 as in the first embodiment.
• Adhesive 23 is a vinyl acetate resin emulsion adhesive impregnated with lithium chloride. At that time, the amount of lithium chloride to be impregnated is added so that the total amount of the lithium chloride added to the partition member 1 of Embodiment 1 and the amount of lithium chloride impregnated in the adhesive 3 of Embodiment 1 is obtained. Adjusted.
• the member (material), additive (medicine), assembly method, etc. used for the total heat exchange element 20 can be variously changed as in the first embodiment.
• the water-soluble hygroscopic agent is not added to the partition member 21 in advance, and the water is soluble up to the partition member 21.
• a water-soluble adhesive that has been impregnated with a water-soluble hygroscopic agent is applied to the partition member 21, and when the total heat exchange element 20 is manufactured by bonding the spacing member 2, a water-soluble moisture absorbent is added to the partition member 21 in advance.
• the total heat exchange element 20 having the same moisture absorption performance as that of the time can be manufactured. In this way, the step of adding the water-soluble moisture absorbent to the partition member 21 can be omitted. Therefore, it is possible to prevent the poor workability that the cutting member 21 is softened during the assembly, and to improve the production efficiency of the total heat exchange element.
• a drug other than the water-soluble hygroscopic agent such as a flame retardant
• a drug other than the water-soluble hygroscopic agent is also water-soluble and has no reactivity with the water-soluble hygroscopic agent or the water-based adhesive.
• it can be impregnated with a water-based adhesive and diffused into the partition member 21 and the spacing member 2.
• the step of adding a flame retardant to the partition member 21 and the spacing member 2 becomes unnecessary.
• water-soluble adhesives that are intended to obtain some effect by impregnating the partition member 21 and the spacing member 2 are impregnated in the water-solvent adhesive to perform total heat exchange. If the device 20 is manufactured, significant labor savings can be achieved.
• FIG. 7 is a perspective view in which the top plate 101a of the total heat exchanger 100 incorporating the total heat exchange elements 10 and 20 of the present invention is removed.
• the total heat exchange 100 of the present invention is accommodated in a rectangular parallelepiped casing 101 having a removable top plate 101a.
• An air inlet 104 and an air outlet 106 on the indoor side are provided on one of the opposing side surfaces of the casing 101, and an air inlet 105 and an air outlet 107 on the outdoor side are provided on the other side.
• the suction port 104 and the air outlet 107 and the air inlet 105 and the air outlet 106 are communicated with each other by an exhaust passage 108 and an air supply passage 109 that are detachably accommodated in the housing 101, respectively. .
• a blower 110 including an impeller 121, an electric motor 126, and a casing 211 is installed in the exhaust passage 108, and indoor air is exhausted from the outlet 107 to the outside.
• a blower 111 including an impeller 121, an electric motor 126, and a casing 211 is installed in the air supply passage 109, and outdoor air is supplied into the room through the air outlet 106.
• the total heat exchange elements 10, 20 of the present invention are inserted from a soot inlet 115 provided on the other side surface of the casing 101, and the first layered air passage 4 (see Fig. 1) is connected to the exhaust passage 108.
• the second stratified air passage 5 (see FIG. 1) is installed in the middle of the exhaust passage 108 and the supply passage 109 so as to communicate with the intake passage 109.
• the insertion port 115 is closed with a lid 115a.
• the air is sucked from the outdoor suction port 105 through a duct (not shown) as indicated by an arrow D, and the air supply passage 109 and the second layered air passage 5 of the total heat exchange elements 10 and 20 are indicated by an arrow E.
• the air blower 111 for air supply blows out the air outlet 106 on the indoor side as indicated by an arrow F, and the air is supplied into the room through a duct (not shown).
• the total heat exchange elements 10 and 20 between the exhaust flow B (first air 6; see FIGS. 1 and 7) and the supply air flow E (second air 7; see FIGS. 1 and 7). The total heat exchange is performed through the cutting member 1 to recover the exhaust heat and reduce the heating / cooling load.
• the water-solvent adhesive Using the same partition member 1 and spacing member 2 as in the first embodiment, the water-solvent adhesive and Then, a mixture of an appropriate amount of water was used for the butyl acetate emulsion adhesive. As for the assembly method and others, a total heat exchange element was manufactured under the same conditions as in Example 1. The application amount of the water-solvent adhesive was adjusted so that the solid content of the applied water-solvent adhesive was the same as that in the first embodiment.
• the same partition member 1 as that of the first embodiment is used, and the space retaining member 2 has low water absorption.
• a spacing member having the same shape as that of the first embodiment was manufactured by (PET resin).
• PET resin aqueous solvent-based pressure sensitive adhesive was used.
• partition member 1 is stacked and pressure-bonded, as shown in FIG.
• the unit 10a is manufactured.
• the next unit structural member 10a is rotated by 90 °, stacked, and bonded together. A heat exchange element was manufactured.
• the total heat exchange element according to Embodiments 1 and 2 has the absolute value of the humidity exchange efficiency, the exchange efficiency in high and low humidity environments. Both are excellent.
• the comparative example shows that the absolute value of the humidity exchange efficiency in a high-humidity environment is not so different.
• the humidity exchange efficiency in a low-humidity environment is greatly improved. .
• the environmental change in the humidity exchange efficiency is almost the same as that in the comparative example, so that the water-soluble moisture absorbent from the partition member 1 is prevented from flowing out. I understand that.
• the total heat exchange element according to the present invention is useful for a heat exchange ventilator that ventilates a building or a moving body such as an automobile or a train, and in particular latent heat and sensible heat. Suitable for total heat exchange that performs total heat exchange at the same time.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
• Drying Of Gases (AREA)
• Central Air Conditioning (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)

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• 2006
  • 2006-10-03 US US11/885,449 patent/US8689859B2/en active Active
  • 2006-10-03 WO PCT/JP2006/319807 patent/WO2008041327A1/ja active Application Filing
  • 2006-10-03 CN CN2006800042421A patent/CN101233381B/zh active Active
  • 2006-10-03 EP EP06811147.5A patent/EP2071267B1/en active Active
  • 2006-10-03 JP JP2007503143A patent/JP4855386B2/ja active Active
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• 2011
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