WO2007119843A1 - 熱交換器 - Google Patents
熱交換器 Download PDFInfo
- Publication number
- WO2007119843A1 WO2007119843A1 PCT/JP2007/058234 JP2007058234W WO2007119843A1 WO 2007119843 A1 WO2007119843 A1 WO 2007119843A1 JP 2007058234 W JP2007058234 W JP 2007058234W WO 2007119843 A1 WO2007119843 A1 WO 2007119843A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- moisture
- heat transfer
- resin
- permeable
- water
- Prior art date
Links
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- 239000011347 resin Substances 0.000 claims abstract description 272
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims description 126
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 46
- 239000002131 composite material Substances 0.000 claims description 45
- 230000035699 permeability Effects 0.000 claims description 32
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 16
- 239000011148 porous material Substances 0.000 description 16
- 239000010409 thin film Substances 0.000 description 13
- 239000003063 flame retardant Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010030 laminating Methods 0.000 description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 229920001477 hydrophilic polymer Polymers 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 8
- 238000005304 joining Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000011256 inorganic filler Substances 0.000 description 6
- 229910003475 inorganic filler Inorganic materials 0.000 description 6
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- 239000000047 product Substances 0.000 description 6
- 229920005992 thermoplastic resin Polymers 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
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- 229920003169 water-soluble polymer Polymers 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 4
- 150000002357 guanidines Chemical class 0.000 description 4
- 239000003230 hygroscopic agent Substances 0.000 description 4
- 229910017053 inorganic salt Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
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- 229920000728 polyester Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
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- 230000008569 process Effects 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
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- 238000003466 welding Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits
-
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
- F28F2245/02—Coatings; Surface treatments hydrophilic
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
Definitions
- the present invention relates to a heat exchanger having a laminated structure for use in a total heat exchange type ventilator such as a heat exchange type ventilation fan or a building for home use, and more particularly to heat exchange that can be used even in an environment where condensation is repeated. Is.
- FIG. 8 is a schematic perspective view showing a conventional heat exchanger 104.
- the heat exchange block 101 is formed by attaching a heat transfer plate 102 such as processed paper treated with a hydrophilic polymer containing a moisture absorbent such as lithium chloride, and a corrugated spacing plate 103. It is a combination.
- the heat exchange block 101 is formed by stacking a plurality of the heat exchange blocks 101 while alternately rotating them by 90 degrees.
- a flammable porous object such as Japanese paper is impregnated or coated with a mixed solution obtained by adding a guanidine salt flame retardant and an organic or inorganic salt hygroscopic agent to an aqueous solution of a water-soluble polymer resin.
- the heat transfer plate 102 having moisture permeability, gas shielding properties and flameproof properties is formed.
- the heat transfer plate 102 of the heat exchanger ⁇ 104 is based on a combustible porous object such as Japanese paper made of hydrophilic fibers, so that water molecules adsorbed on the porous object are moisture permeable. During the process, the diffusion rate can be increased and the moisture permeation performance can be enhanced by the organic or inorganic salt hygroscopic agent, and the latent heat exchange efficiency of the heat exchanger 104 can be improved.
- the heat transfer plate is made of moisture-resistant material so that it can be used even in the cold environment, bathroom, hot water pool, etc. (For example, see Patent Document 3).
- FIG. 9 is a schematic sectional view showing a conventional heat transfer plate 108.
- the external shape of this heat exchanger is the same as that shown in Fig. 8, so the external shape and the same parts will be explained using Fig. 8.
- the heat transfer plate 108 of the heat exchanger 104 has a water-insoluble hydrophilic property on a porous base material 109 such as a non-woven fabric densely formed to have a specific air permeability. Applying water-soluble polymer 110 to form a moisture permeable membrane.
- the heat transfer plate 108 is made of a porous base material 109 as a non-woven fabric, and the water vapor permeable membrane is made of a water-insoluble hydrophilic polymer 110 for moisture resistance.
- the shape change of 104 can be reduced.
- FIG. 10 is a schematic cross-sectional view showing another form of the conventional heat transfer plate 116. Since the external shape of this heat exchanger is the same as that shown in Fig. 8, the external shape and the same parts will be explained using Fig. 8. [0016] As shown in FIG. 10, there is a fibrous property between a water-insoluble fibrous porous sheet 112 having a large air permeability and a water-insoluble hydrophilic polymer thin film 113 that is permeable to water vapor.
- a composite moisture permeable membrane with a water-insoluble porous membrane 114 having pores smaller than the pore size of the porous sheet 112 interposed therebetween is referred to as a heat transfer plate 116.
- An adhesive (not shown) is applied to the apex of the corrugated spacing plate 103, and the spacing plate 103 and the heat transfer plate 116 are bonded together to form the heat exchange block 101.
- an adhesive (not shown) is applied to the apex portion of the waveform of the heat exchange block 101, and a plurality of heat exchange blocks 101 are alternately laminated by 90 degrees to form a heat exchange 104. .
- the heat transfer plate 116 of the conventional heat exchanger 104 is made of a thin film of an insoluble hydrophilic polymer thin film 113, which is a main component of the moisture permeable gas shield, with a permeability of the porous film 114. A large, porous porous sheet 112 is formed. For this reason, the thin film of the hydrophilic polymer thin film 113 can be made sufficiently thin while avoiding the generation and separation of pinholes, the gas transfer rate can be reduced, and the latent heat exchange efficiency can be improved. it can.
- the heat transfer plate 116 is made of a water-insoluble material! In an environment where dew condensation is repeated! Even if it is, even without deformation, it can maintain stable performance for a long time.
- this type of conventional heat exchange has a heat transfer plate and a spacing plate to further improve mass productivity and the basic performance of the heat exchanger.
- a heat transfer plate and a spacing plate to further improve mass productivity and the basic performance of the heat exchanger.
- composite membranes see, for example, Patent Document 5).
- FIG. 11 is a schematic cross-sectional view showing another conventional heat exchange block 127. Since the external shape of this heat exchanger ⁇ is the same as that shown in Fig. 8, the external shape and the same parts will be explained using Fig. 8.
- the spacing plate 120 has a structure in which a porous material 122 obtained by polymerizing a thin film 121 having air shielding properties is polymerized with an adhesive layer 123 that is softened by heat and exhibits adhesiveness.
- polymerization generally means “joining membranes”, that is, by stacking and bonding various membranes, or for example, This means that the structure is in close contact by heat sealing or laminating (the same applies hereinafter).
- the heat transfer plate 124 polymerizes a water-insoluble hydrophilic high-molecular thin film 125 that selectively permeates water vapor into the porous material 122, and moreover than the porous material 122 and the hydrophilic high-molecular thin film 125.
- a base fabric 126 having a thick air permeability is polymerized.
- the spacing plate 120 and the heat transfer plate 124 are bonded together by the adhesive layer 123, whereby the heat exchange block 127 is formed.
- an adhesive (not shown) is applied to the top of the waveform of the heat exchanging block 127, and the heat exchanging block 127 is rotated and rotated 90 degrees alternately to form a heat exchanger 104 by laminating a plurality of sheets.
- this heat exchange 104 is performed by an adhesive layer 123 that softens the bonding between the spacing plate 120 and the heat transfer plate 124 and exhibits adhesiveness. Therefore, it is possible to manufacture by heat seal processing that exhibits an initial initial adhesive force, and the heat exchange block 127 can be bonded at a high speed and continuously.
- the heat exchange blocks 127 are bonded to each other by applying an adhesive (not shown) to the apex of the corrugated spacing plate 120. In this work process, this adhesive is used as a porous material for the spacing plate 120. This approaching adhesive that makes it easy to enter 122 has an anchor effect.
- the coupling force between the heat exchange blocks 127 becomes strong, and the interval plate 120 and the heat transfer plate 124 are difficult to separate.
- the thin film 121 having an air shielding property of the gap plate 120 prevents the gas from moving outside, air leakage is prevented.
- the porous material 122 has good cutting properties and the heat exchange blocks 127 are firmly bonded to each other, the heat exchange 104 in which the heat exchange blocks 127 are laminated is cut to obtain the heat of the desired size. It becomes easy to manufacture the exchanger 104.
- the heat transfer plate 102 is formed of a guanidine salt in an aqueous solution of a water-soluble polymer resin. It is formed by impregnating or coating a mixed solution containing an organic flame retardant and an organic or inorganic salt hygroscopic agent in a combustible porous object such as Japanese paper.
- a mixed solution containing an organic flame retardant and an organic or inorganic salt hygroscopic agent in a combustible porous object such as Japanese paper.
- water-soluble polymer resin impregnated or painted on porous objects is water-soluble and gradually elutes into water, resulting in deterioration of gas shielding properties. .
- the guanidine salt flame retardant and the organic or inorganic salt hygroscopic agent also have a problem that the porous body force gradually flows into the water, and the moisture permeability and flame retardant properties deteriorate. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components constituting the heat transfer plate are retained, moisture permeability, gas shielding, It is required to maintain basic performance such as flameproofness.
- the heat transfer plate 108 of the heat exchanger 104 in which the material of the conventional heat transfer plate is moisture-resistant is provided on a porous base material 109 such as a non-woven fabric having a high air permeability.
- Molecule 110 is applied to form a moisture permeable membrane.
- the film thickness of the water-insoluble hydrophilic polymer 110 is increased, and the latent heat exchange efficiency is lowered due to the reduced moisture permeability.
- the hydrophilic polymer 110 is made thinner, the bonding force between the porous substrate 109 and the moisture-permeable membrane made of the water-insoluble hydrophilic polymer 110 is reduced, and the moisture-permeable membrane peels off.
- the basic performance of heat exchange ⁇ deteriorates, such as being easy to do, easy to make pinholes, and easy to leak airflow. Therefore, even in an environment where dew condensation is repeated, it is required to maintain basic performance such as prevention of deterioration due to dew condensation water, no heat transfer plate peeling, and prevention of airflow leakage.
- the ventilation path formed by the heat transfer plates 102, 108, 116, and 124 is effective depending on the plate thickness. There is a problem that the area is reduced and the ventilation resistance is increased, and it is required to reduce the ventilation resistance.
- the heat transfer plate 116 and the one having an adhesive applied to the apex portion of the corrugated spacing plate 103 are bonded together. Consists of heat exchange block 101. Therefore, the heat transfer plate 116 having a large contact area of the gap plate 103 with respect to the heat transfer plate 116 reduces the effective area through which water vapor can be transmitted by the adhesive applied to the gap plate 103.
- the effective area of the heat transfer plate 116 through which water vapor can be transmitted to form the heat exchange 104 by applying an adhesive to the apex portion of the wave shape of the heat exchange block 101 and laminating and bonding the heat exchange blocks 101 to each other is Further decrease. Therefore, there is a problem that the latent heat exchange efficiency is lowered, and it is required to improve the latent heat exchange efficiency.
- the heat exchanger 104 in which the conventional heat transfer plate 124 and the interval plate 120 are formed into a composite film has a bonding property between the interval plate 120 and the heat transfer plate 124 by heat, and exhibits adhesiveness. Since it is performed by the adhesive layer 123 to be manufactured, it is possible to manufacture by heat-sealing processing that exhibits an initial initial adhesive force.
- the heat exchanging block 127 can connect only the apex portion of the spacing plate 120 to the heat transfer plate 124, and the heat exchanging block 104 of the heat exchanger 104 having only the heat transfer plate 116 as a composite moisture permeable membrane.
- the effective area that can permeate water vapor is less than 101.
- Patent Document 1 Japanese Patent Publication No. 47-19990
- Patent Document 2 Japanese Patent Publication No. 53-34663
- Patent Document 3 Japanese Patent No. 1793191
- Patent Document 4 Japanese Patent No. 2639303
- Patent Document 5 Japanese Patent No. 3460358
- the present invention solves such a conventional problem, and even in an environment where dew condensation is repeated, deterioration due to dew condensation water is prevented, components constituting the heat transfer plate are retained, and moisture permeability is maintained. It provides heat exchange that can maintain basic performance such as gas shielding and flameproofing. Also, even in environments where condensation is repeated, deterioration due to condensed water is prevented, and basic performance such as prevention of airflow leakage without heat transfer plate peeling can be maintained.
- the present invention provides a unit element in which a heat transfer plate, an interval rib for maintaining the interval between the heat transfer plates, and a shielding rib for shielding airflow leakage are integrally formed with a resin.
- a plurality of unit elements are stacked to form a ventilation path between the heat transfer plates, and heat exchange is performed via the heat transfer plate by circulating the primary air flow and the secondary air flow to the air flow path.
- the heat transfer plate is composed of a water-insoluble flameproof moisture-permeable resin membrane, and the resin is composed of a water-insoluble flameproof resin.
- the present invention it is possible to provide a heat exchanger that can prevent deterioration due to condensed water even in an environment where condensation is repeated, and can maintain basic performance. In addition, even in environments where condensation occurs repeatedly, deterioration due to condensed water is prevented, and the components that make up the heat transfer plate are retained. Therefore, it is possible to provide heat exchange that can maintain basic performance such as moisture permeability, gas shielding, and flameproofing.
- heat transfer plates are not peeled off, and heat exchange that can maintain basic performance such as preventing airflow leakage can be provided.
- heat exchange that can improve the basic performance of the heat exchanger such as ventilation resistance, sensible heat exchange efficiency, and latent heat exchange efficiency, can be provided.
- FIG. 1 is a schematic perspective view of a heat exchanger according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic perspective view of the unit element.
- FIG. 3 is a schematic plan view of the heat transfer plate.
- FIG. 4 is a schematic manufacturing process diagram of the heat exchange.
- FIG. 5 is a schematic cross-sectional view of a heat transfer plate in Embodiment 2 of the present invention.
- FIG. 6 is a schematic cross-sectional view of a heat transfer plate according to Embodiment 3 of the present invention.
- FIG. 7 is a schematic cross-sectional view of another heat transfer plate in the third embodiment of the present invention.
- FIG. 8 is a schematic perspective view showing a conventional heat exchanger.
- FIG. 9 is a schematic cross-sectional view showing a conventional heat transfer plate.
- FIG. 10 is a schematic sectional view showing another embodiment of a conventional heat transfer plate.
- FIG. 11 is a schematic cross-sectional view showing another conventional heat exchange block.
- the present invention includes a unit element in which a heat transfer plate, a spacing rib for maintaining a space between the heat transfer plates, and a shielding rib for shielding airflow leakage are integrally formed with a resin.
- Heat exchange is achieved by forming a ventilation path between the heat transfer plates by laminating a plurality of these unit elements, and exchanging heat via the heat transfer plate by passing the primary air flow and the secondary air flow through the air flow path.
- the heat transfer plate is composed of a water-insoluble flameproof moisture-permeable resin membrane, and the resin is composed of a water-insoluble flameproof resin.
- the moisture-permeable resin membrane is a water-insoluble hydrophilic moisture-permeable material having flameproofing and gas shielding properties on one side of a water-insoluble porous resinous membrane having flameproofing properties.
- This is a moisture permeable resin film with a two-layer structure obtained by polymerizing the resin film.
- the moisture-permeable resin membrane has a three-layer structure in which a breathable water-insoluble porous resin substrate having a flameproof property is polymerized on the other surface of the porous resin membrane. This is a composite moisture permeable resin film.
- the moisture-permeable resin membrane has a three-layer structure in which a breathable water-insoluble porous resin base material having a flameproof property is polymerized on one surface of a hydrophilic moisture-permeable resin membrane. It is a composite moisture-permeable resin membrane with a structure.
- the hydrophilic moisture-permeable resin membrane has a three-layer composite moisture-permeable resin membrane in which the water-permeable hydrophilic moisture-permeable resin membrane having gas shielding properties is used. is there.
- the surface of the hydrophilic moisture-permeable resin membrane of the three-layer composite moisture-permeable resin membrane is made uneven, and the surface of the hydrophilic moisture-permeable resin film made uneven is made porous.
- a fat base material is polymerized.
- the surface of the hydrophilic moisture-permeable resin film of the three-layer composite moisture-permeable resin film is made uneven by electric discharge machining.
- another invention is a three-layer structure in which a porous resin base material is spot-bonded to the hydrophilic moisture-permeable resin film surface of the moisture-permeable resin film using a water-resistant adhesive. It has a composite moisture-permeable resin membrane.
- the porous resin membrane is composed of polytetrafluoroethylene.
- a porous resin base material is composed of a flameproof nonwoven fabric.
- a porous resin base material is composed of a nonwoven fabric in which a flameproof agent is kneaded into a resin fiber.
- Embodiment 1 of the present invention will be described with reference to FIGS.
- FIG. 1 is a schematic perspective view of a heat exchanger 1 according to Embodiment 1 of the present invention
- FIG. 2 is a schematic perspective view of the unit element
- FIG. 3 is a schematic plan view of the heat transfer plate
- FIG. FIG. 3 is a schematic manufacturing process diagram of the heat exchanger.
- the heat exchanger 1 is formed by laminating unit elements 2 having a side of 120mm and a thickness of 2mm by alternately rotating unit elements 2 by 90 degrees. It is configured by joining together.
- the primary airflow A and the secondary airflow B are circulated through the ventilation path 4 formed between the heat transfer plates 3a in the direction shown by the arrows in Fig. 1, the primary airflow A and the secondary airflow B are converted into the heat transfer plate 3a.
- the heat exchange is performed while being distributed orthogonally through the.
- the unit element 2 of Fig. 2 includes a spacing rib 5a and a shielding rib 6a on one surface of the heat transfer plate 3a. Spacing ribs 5b and shielding ribs 6b are provided on the other surface of the heat transfer plate 3a.
- the unit element 2 is integrally formed with a water-insoluble non-greasible resin having flame resistance so that the spacing rib 5a and the shielding rib 6a and the spacing rib 5b and the shielding rib 6b sandwich the heat transfer plate 3a. Is obtained.
- spacing ribs 5a are formed at a predetermined interval of height lmm and width lmm, and shielding ribs 6a are connected to the spacing ribs 5a at a pair of opposite ends of the heat transfer plate 3a. Parallel to height lmm lwidth 5mm.
- the spacing ribs 5b are orthogonal to the spacing ribs 5a, and are formed at six heights with a height of 1 mm and a width of 1 mm, and the shielding ribs 6b are directed to the heat transfer plate 3a.
- a pair of matching ends are formed with a height of lmm and a width of 5mm in parallel with the spacing rib 5b.
- the spacing rib 5a and the spacing rib 5b are formed so that the adjacent spacing rib 5a and the spacing rib 5b overlap each other when the unit elements 2 are alternately rotated by 90 degrees. It has the function of holding the heat transfer plate 3a at regular intervals.
- the heat transfer plate 3a is laminated every 2 mm.
- the shielding rib 6a and the shielding rib 6b are formed so that the adjacent shielding rib 6a and the shielding rib 6b overlap each other when the unit elements 2 are stacked while being alternately rotated by 90 degrees.
- the primary airflow A and the secondary airflow B that flow through the ventilation path 4 of the heat exchanger 1 serve to shield the end face force of the heat exchanger 1 from leaking, and hold the heat transfer plate 3a at a constant interval. .
- the shielding ribs 6a and 6b are configured to be formed at both ends of the square unit element 2 in order to increase the effective area of the heat transfer plate 3a of the heat exchanger 1 within a certain volume. It may be increased as appropriate depending on the heat exchanger design and mass productivity.
- the heat transfer plate 3a in FIG. 3 has a thickness of 0.2 to 0.01 mm, preferably 0.1 to 0.01 mm, and is a water-insoluble water-permeable, moisture-permeable, gas-shielding, and flame-proof material. It consists of a moisture-permeable permeable membrane.
- the water-insoluble moisture-permeable resin film that constitutes the heat transfer plate 3a is a porous resin sheet or ether made of PP, PE, PET, PTFE, ether-based polyurethane, etc. and made water-insoluble.
- halogen resin such as chlorine and bromine and phosphorus are used when forming the resin sheet.
- Compounds, nitrogen compounds, or anti compounds Add flameproofing agents such as mon and boron inorganic compounds. As a result, the flameproofing agent is kneaded into the resinous sheet, and even in a humid environment where condensation is repeated, the flameproofing agent does not elute into the condensed water, and the moisture permeable resin that constitutes the heat transfer plate 3a. Can be retained on the membrane.
- the heat transfer plate 3a in FIG. 3 is, for example, a rectangular shape having a side of 118 mm and a thickness of 0.05 mm made of an ether-based polyester resin, and having a flameproof property. It consists of a moisture-permeable resin membrane of a nonporous resin sheet treated to be water-soluble.
- the unit element 2 is formed by integrally forming the heat transfer plate 3a with the flame-proof water-insoluble resin constituting the spacing ribs 5a and 5b and the shielding ribs 6a and 6b, the unit element 2 is formed. It is preferable to use the same material or the same series of resin for the moisture permeable resin film of the heat plate 3a, the spacing ribs 5a and 5b, and the shielding ribs 6a and 6b. It is preferable. That is, by making the resin constituting the heat transfer plate 3a, the spacing ribs 5a and 5b, and the shielding ribs 6a and 6b into a thermoplastic resin, thermal bonding can be easily performed.
- heat exchange can reduce the number of processing steps, improve mass productivity, and can integrally form the heat transfer plate 3a and the resin without using a third substance such as an adhesive. Therefore, like a heat exchanger using corrugating, the adhesive applied to the convex apex of the corrugated spacing plate oozes out from the apex, reducing the effective area of the heat transfer plate through which water vapor can pass. The effective area of the heat transfer surface through which water vapor can pass can be increased, and the latent heat exchange efficiency can be improved.
- FIG. 4 shows a manufacturing process of the heat exchanger 1.
- the heat transfer plate 3a is cut into a predetermined size.
- the next molding step 9 is an insert injection molding method in which the cut heat transfer plate 3a is inserted into an injection molding machine, and the interval ribs 5a, 5b and the shielding ribs 6a, 6b are integrally molded with a grease.
- the unit element 2 is obtained.
- a water-insoluble thermoplastic resin having flame resistance is applied as this resin, and the types of resin include polyester-based, polystyrene-based ABS, AS, PS, or polyolefin-based PP, PE, etc. Is used.
- PP, PE, PET, urethane, or the like which is the same material as the water-insoluble moisture-permeable resin film constituting the heat transfer plate 3a or the same series of resin material, is preferable.
- the resin constituting the spacing ribs 5a and 5b and the shielding ribs 6a and 6b is composed of halogenated substances such as chlorine and bromine, phosphorus-based compounds, nitrogen-based compounds, antimony and boron-based materials when molding the resin raw materials. Add flame retardants such as inorganic compounds As a result, the flameproofing agent is kneaded into the raw material of the fat.
- the spacing ribs 5a and 5b and the shielding ribs 6a and 6b obtained by injection molding using this resin material do not elute the flame retardant into the condensed water even in a humid environment where condensation is repeated.
- the gap ribs 5a and 5b and the shielding ribs 6a and 6b can be held.
- a resin obtained by adding glass fiber or carbon fiber inorganic filler to thermoplastic resin may be used.
- the amount of the inorganic filler added is 1 to 50% by weight, more preferably 10 to 30% by weight, based on the weight of the resin.
- the unit element 2 of the resin molded product is improved in strength, warpage and shrinkage properties, and the heat transfer plate 3a and the spacing ribs 5a and 5b, shielding ribs, and the like are integrally molded. Adhesion with this resin constituting 6a and 6b is improved. This is not an improvement in adhesion due to chemical bonding, but physical bonding with strong fiber entanglement between the inorganic filler and the heat transfer plate 3a. If a large amount of inorganic filler is added relative to the weight of the resin, the strength and warpage of the resin molded product and the force to improve the physical properties of shrinkage will be 50% by weight or more. The fluidity of the resin decreases.
- the amount of inorganic filler added is appropriately determined depending on the required strength of the resin molded product, the physical properties of the resin, the specifications of the injection molding machine, and the like.
- the water-insoluble moisture-permeable resin film constituting the heat transfer plate 3a uses polyester-based resin, it is used for injection molding of the spacing ribs 5a and 5b and the shielding ribs 6a and 6b.
- the rosin we use a non-water-soluble polyester-based rosin that has the same flameproof properties as 10% by weight of glass fiber.
- the unit elements 2 are laminated while being alternately rotated by 90 degrees, and joining such as thermal welding using a heated heater block or ultrasonic bonding using ultrasonic vibration is performed.
- the surface of the resin is melted by means and laminated with force.
- the heat exchanger 1 in which the adjacent unit elements 2 are bonded and fixed to each other is obtained. Since the unit element 2 is made of thermoplastic resin, when the heated heater block or ultrasonic vibration is brought into contact with the surface of the unit element 2, the surface of the resin melts and the surface of the resin When the temperature drops, adjacent unit elements 2 are joined together.
- the term “joining” in this specification means that the adjacent unit elements 2 and unit elements 2 are bonded and fixed.
- the heat transfer plate 3a, the spacing ribs 5a and 5b, the shielding ribs 6a and 6b, and the unit element 2 constituting the heat exchanger 1 are composed of a water-insoluble flameproof moisture-permeable resin membrane and Water-insoluble flameproof It is composed of rosin. For this reason, there is little change in shape even in a humid environment, and there is no deterioration in performance and flameproofness. Therefore, even in environments where condensation is repeated, deterioration due to condensed water is prevented, and basic performance and flameproofness are maintained. be able to.
- the water-insoluble moisture-permeable resin membrane constituting the heat transfer plate 3a is kneaded into the resin sheet by adding a flameproof agent when forming the resin sheet. Therefore, even in a humid environment where dew condensation is repeated, the flameproofing agent does not elute into the dew condensation water and can be retained on the moisture permeable resin film. Further, the resin constituting the gap ribs 5a and 5b and the shielding ribs 6a and 6b is kneaded into the raw material of the resin by adding a flameproofing agent when the raw material of the resin is formed.
- the spacing ribs 5a and 5b and the shielding ribs 6a and 6b obtained by injection molding using this resin material do not elute the flame retardant into the condensed water even in a humid environment where condensation is repeated.
- the ribs 5a and 5b and the shielding ribs 6a and 6b can be held.
- the spacing ribs 5a and 5b of the heat exchanger 1 can be arranged on the heat transfer plate 3a at a wider interval than the corrugated spacing plate 103 of the conventional heat exchanger 104 to which corrugating is applied. Therefore, the area ratio of the spacing ribs 5a and 5b to the heat transfer plate 3a can be reduced. Therefore, the effective opening area of the ventilation path 4 is increased, and the ventilation resistance can be reduced without changing the heat exchange efficiency.
- the spacing ribs 5a and 5b can reduce the area ratio of the spacing ribs 5a and 5b with respect to the heat transfer plate 3a, the effective area of the heat transfer surface through which water vapor can pass is increased, and latent heat exchange is performed. Efficiency can be improved.
- the unit element 2 is formed by integrally molding the heat transfer plate 3a, the ribs constituting the spacing ribs 5a and 5b and the shielding ribs 6a and 6b without using a third substance such as an adhesive.
- the adhesive applied to the convex apex of the corrugated spacing plate 103 oozes out the apex force, and the heat transfer plate 3a that allows water vapor to pass through is effective.
- the area does not decrease. Therefore, the latent heat exchange efficiency can be improved by increasing the effective area of the heat transfer surface through which water vapor can pass.
- the shielding ribs 6a and 6b provided in the unit element 2 shield the leakage of the primary air flow A and the secondary air flow B flowing through the ventilation path 4 of the heat exchanger 1 at the end face of the heat exchanger 1. Therefore, it is possible to prevent airflow leakage.
- the unit element 2 includes the spacing ribs 5a and 5b and the shielding ribs 6a and 6b on the front and back of the heat transfer plate 3a, and the spacing ribs 5a and 5b on the front and back of the heat transfer plate 3a. And, the shielding ribs 6a and 6b were integrally formed with grease so that the heat transfer plate 3a was sandwiched therebetween.
- the present embodiment has been described using the hexahedron heat exchanger 1 in which the unit elements 2 are alternately stacked while being rotated by 90 degrees and the adjacent unit elements 2 are joined together.
- the unit element is formed by integrally molding the heat transfer plate, the spacing rib for maintaining the space between the heat transfer plate and the shielding rib for shielding the leakage of the airflow with a resin, By laminating a plurality of these unit elements, a ventilation path is formed between the heat transfer plates, and the primary airflow and the secondary airflow are passed through this ventilation path, so that heat is exchanged via the heat transfer plate. If so, the same effects can be obtained even if other shapes of heat exchangers and construction methods are used.
- the surface of the resin is melted and laminated after using a joining means such as heat welding using a heated heater block or ultrasonic bonding using ultrasonic vibration.
- a joining means such as heat welding using a heated heater block or ultrasonic bonding using ultrasonic vibration.
- the heat exchange in which the adjacent unit elements 2 are bonded and fixed to each other has been described.
- a unit hole may be formed by providing a through hole in the grease portion of the unit element 2, inserting a support rod into the through hole, and attaching a stopper to both ends of the support rod.
- the support rod may be made of a thermoplastic resin or the like, and may be bonded by melting both ends of the support rod with heat and solidifying the unit elements 2 in a clamped state.
- the bundling in the present invention is a unit in which the unit elements 2 are fixed together by mechanical restraint.
- Embodiment 2 of the present invention will be described with reference to FIG.
- FIG. 5 is a schematic cross-sectional view of the heat transfer plate 3b of the second embodiment.
- the heat transfer plate 3b is formed on one surface of a water-insoluble porous resin membrane 11 having flame resistance, and a water-insoluble hydrophilic moisture-permeable resin membrane having flame resistance and gas shielding properties. Consists of a two-layer moisture-permeable resin membrane polymerized with 12a.
- a porous resin film 11 a porous resin sheet made of PP, PE, PET, PTFE or the like is used. In particular, the pore size is small as the porous resin membrane 11.
- PTFE polytetrafluoroethylene
- the water-insoluble hydrophilic moisture-permeable resin membrane 12a having flameproofing and gas shielding properties is made of an ether-based polyurethane resin, an ether-based polyester resin, or the like. Also, when forming the porous resin membrane 11 and the hydrophilic moisture-permeable resin membrane 12a, halogenated compounds such as chlorine and bromine, phosphorus-based compounds, nitrogen-based compounds, or antimony and boron-based inorganic compounds. The flame retardant is kneaded into the porous resin membrane 11 and the hydrophilic moisture permeable resin membrane 12a. Therefore, even in a humid environment where condensation is repeated, the flameproofing agent does not elute into the condensed water and can be retained by the moisture permeable resin film constituting the heat transfer plate 3b.
- the heat transfer plate 3b shown in Fig. 5 includes, for example, an ether-based polyurethane-based resin or polyester on one side of a porous resin film 11 having a thickness of 0.02mm made of PTFE.
- This is a moisture permeable resin film having a two-layer structure, in which a hydrophilic moisture permeable resin film 12a having a thickness of 0. Olmm is polymerized.
- the polymerization in this specification means that the membranes are joined to each other, that is, the porous resin membrane 11 and the hydrophilic moisture-permeable resin membrane 12a are structurally processed by heat sealing or laminating. Say to be in close contact.
- the heat transfer plate 3b has a water-insoluble porous resin membrane 11 that bears the framework of the moisture-permeable resin membrane, and this framework has a water-insoluble and gas-permeable water-insoluble property.
- the hydrophilic moisture-permeable resin membrane 12a By polymerizing the hydrophilic moisture-permeable resin membrane 12a, the hydrophilic moisture-permeable resin membrane 12a can be thinned. Accordingly, the moisture permeable resin film having a two-layer structure constituting the heat transfer plate 3b can selectively reduce the permeation resistance only for water vapor with less gas transfer and higher heat mobility. In addition, the sensible heat exchange efficiency and the latent heat exchange efficiency can be improved.
- the porous resin membrane 11 has a large number of pores
- the hydrophilic moisture-permeable resin membrane 12a can be polymerized so as to enter the pores. Therefore, the moisture permeable resin film having a two-layer structure constituting the heat transfer plate 3b can improve the polymerization strength by the anchor effect, and maintains the basic performance as a moisture permeable resin film for a long time by eliminating peeling. be able to.
- the moisture-permeable resin membrane is composed only of the hydrophilic moisture-permeable resin membrane 12a, it will absorb moisture in an environment where condensation is repeated. Due to the continuous swelling due to, the hydrophilic moisture-permeable resin membrane 12a is promoted to hydrolyze and the performance deterioration is accelerated.
- the moisture-permeable resin membrane of the two-layer structure constituting the heat transfer plate 3b is swelled by moisture absorption by polymerizing the hydrophilic moisture-permeable resin film 12a on the framework of the porous resin film 11. Can be suppressed. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, and basic performance such as prevention of airflow leakage without peeling of the heat transfer plate 3b can be maintained.
- the moisture-permeable resin film constituting the heat transfer plate 3b is composed of a porous resin film 11 having a flameproof property and a water-insoluble property and a hydrophilic moisture-permeable resin film 12a. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components that make up the heat transfer plate 3b are retained, and basic performance such as moisture permeability, gas shielding, and flame resistance is maintained. Can do.
- the flameproofing agent can be made porous by adding a flameproofing agent when forming the porous moisture-absorbent membrane 11 and the hydrophilic moisture-permeable membrane 12a of the moisture-permeable resin membrane constituting the heat transfer plate 3b.
- the polytetrafluoroethylene porous material can be formed into a thin film having small pores and large porosity. Therefore, the porous permeable membrane 11 made of polytetrafluoroethylene bears the framework of the moisture permeable membrane constituting the heat transfer plate 3b, and this framework is a hydrophilic moisture permeable membrane having gas shielding properties and moisture permeability.
- the hydrophilic moisture-permeable resin membrane 12a can be made very thin. Therefore, the moisture permeable resin film having a two-layer structure constituting the heat transfer plate 3b can selectively reduce the permeation resistance only for water vapor with less gas transfer and high heat transfer. Can be prevented, and sensible heat exchange efficiency and latent heat exchange efficiency can be improved.
- the porous material of polytetrafluoroethylene is a material that is stable to water, and further has a flame resistance with high heat resistance. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components that make up the heat transfer plate 3b are retained, and basic performance such as moisture permeability, gas shielding properties, and flameproofing properties can be maintained. it can.
- FIG. 6 is a schematic cross-sectional view of the heat transfer plate 3c of the third embodiment
- FIG. 7 is a schematic cross-sectional view of another heat transfer plate 3d in the third embodiment.
- Embodiments 1 and 2 are denoted by the same reference numerals and have the same operational effects, and detailed description thereof is omitted.
- the heat transfer plate 3c shown in FIG. 6 is a non-waterproof and gas-shielding non-porous one-sided porous water-absorbent membrane 11 described in the second embodiment.
- a water-permeable hydrophilic moisture-permeable resin membrane 12a is polymerized, and the moisture-permeable breathable membrane 7b having a two-layer structure is formed on the other surface of the porous resin membrane 11.
- a thermoplastic resin made of a polyester resin such as PET or a polyolefin resin such as PP or PE is used as a breathable water-insoluble porous resin base material 13 having a flameproof property.
- a flameproof non-woven fabric that is a resin is 10 to: L00 gZm 2 , preferably 15 to 40 gZm 2 .
- the thickness of the nonwoven fabric is preferably as thin as possible as long as the strength as a base material is satisfied.
- the breathable porous resin base material 13 composed of a flameproof non-woven fabric can roughen, that is, increase the distance between the non-woven resin fibers, so that the temperature and humidity can be increased. It is a material that is hardly affected by replacement.
- the porous resin base material 13 is used to prevent non-woven resin fibers such as chlorine, bromine and other halogenated compounds, phosphorus compounds, nitrogen compounds, antimony, boron-based inorganic compounds, etc. Composed of flame retardants.
- a PET non-woven fabric having a basis weight of 30 gZm 2 and a thickness of 0.1 mm is used as the porous resin base material 13.
- Polymerization of the two-layer moisture-permeable resin membrane 7b and the porous resin substrate 13 is formed using heat sealing. Since the nonwoven fabric of the porous resin base material 13 can be polymerized so as to enter the pores of the PTFE of the porous resin film 11, the anchoring effect can improve the polymerization strength and eliminate peeling. The basic performance can be maintained for a long time.
- the heat transfer plate 3d shown in FIG. 7 is the water-insoluble water-soluble material described in the second embodiment.
- a hydrophilic moisture-permeable membrane of a two-layered moisture-permeable resin membrane 7b obtained by polymerizing a water-insoluble hydrophilic moisture-permeable membrane 12a with flameproofing and gas shielding properties on one side of the porous resin membrane 11.
- This is a three-layer composite moisture-permeable resin membrane obtained by polymerizing a breathable water-insoluble porous resin base material 13 having flame resistance on the surface of the resin membrane 12a.
- porous resin base material 13 for example, a nonwoven fabric made of PET having a basis weight of 30 gZm 2 and a thickness of 0.1 mm is used.
- the superposition of the moisture-permeable resin membrane 7b having a two-layer structure and the porous resin base material 13 is formed using a heat seal force.
- the heat transfer plate 3d has a surface of the hydrophilic moisture permeable resin film 12a constituting the moisture permeable resin film 7b having a two-layer structure.
- a composite moisture-permeable resin film having a three-layer structure obtained by polymerizing the porous resin base material 13 may be used.
- the surface of the hydrophilic moisture-permeable resin membrane 12a is roughened by electric discharge machining to make it uneven.
- the hydrophilic moisture-permeable resin membrane 12a is made of ether-based polyurethane resin or polyester-based resin and is formed into a thin film with a thickness of 0. Olmm. Do this to the extent that pinhole cannot be formed on the resin film 12a.
- the surface area for polymerizing the hydrophilic moisture-permeable resin membrane 12a and the porous resin substrate 13 can be increased while maintaining basic performance such as moisture permeability, gas shielding properties, and flameproofness. Therefore, the composite moisture-permeable resin membrane with a three-layer structure that constitutes the heat transfer plate 3d can improve the polymerization strength and eliminate the peeling, thereby maintaining the basic performance as a composite moisture-permeable resin film for a long time. can do. Even in an environment where dew condensation is repeated, deterioration due to dew condensation water is prevented, and basic performance such as prevention of airflow leakage without peeling of the heat transfer plate 3d can be maintained.
- the heat transfer plate 3d is formed by using a porous water-repellent group on the surface of the hydrophilic moisture-permeable resin film 12a constituting the moisture-permeable resin film 7b having a two-layer structure by using a water-resistant adhesive.
- a composite moisture-permeable resin film having a three-layer structure in which the material 13 is point-bonded may be used. Since the water vapor cannot be permeated by the adhesive at the point-bonded portion, the point adhesion is performed to about V V where the hydrophilic moisture-permeable resin membrane 12a and the porous resin substrate 13 do not peel off. Reduce the effective area of the heat transfer plate 3d as much as possible.
- the three-layered composite moisture permeable resin film constituting the heat transfer plate 3d can improve the adhesive strength while suppressing a decrease in the latent heat exchange efficiency.
- the adhesive since the adhesive has water resistance, it does not peel off even in a humid environment and maintains the basic performance as a composite moisture-permeable resin film for a long time. can do. Even in an environment where dew condensation is repeated, deterioration due to dew condensation water is prevented, and basic performance such as prevention of airflow leakage without peeling of the heat transfer plate 3d can be maintained.
- the heat transfer plate 3d is a non-water-soluble hydrophilic gas permeable membrane having a gas shielding property without a flameproof property. It is good also as the moist and fat film 12a.
- the breathable water-insoluble porous resin base material 13 composed of a nonwoven fabric and having a flameproof property can be used to roughen, that is, increase the distance between the resin fibers of the nonwoven fabric.
- the purpose of this is to maintain the strength of the heat transfer plates 3c and 3d with almost no effect on heat exchange due to humidity. Therefore, the heat transfer plates 3c and 3d having a composite moisture permeable resin film having a three-layer structure can perform a heat exchange function, and the two-layer moisture permeable resin film 7b can be formed into a thin film. Can be improved.
- the porous resin film 11, the hydrophilic moisture permeable resin film 12 a and the porous resin substrate 13 constituting the three-layer composite moisture permeable resin film constituting the heat transfer plates 3 c and 3 d.
- a flame retardant such as a halogen compound such as chlorine or bromine, a phosphorus compound, a nitrogen compound, or an antimony or boron inorganic compound is added.
- the flameproofing agent is kneaded into the porous resin film 11, the hydrophilic moisture-permeable resin film 12 a and the porous resin substrate 13. Therefore, even in a humid environment where dew condensation is repeated, the flameproofing agent does not elute into the dew condensation water and can be retained in a three-layer composite moisture-permeable resin membrane.
- the central layer of the three-layer composite moisture permeable resin membrane constituting the heat transfer plate 3d can be a non-flame proof hydrophilic moisture permeable resin membrane. Because it is composed of a porous resin membrane 11 having flame resistance and a porous resin base material 13, the non-flame permeable hydrophilic water permeable resin membrane in the center layer is protected from the combustion product. Can do. Therefore, even if the hydrophilic moisture-permeable resin membrane is not subjected to flameproofing treatment, the three-layer composite moisture-permeable resinous membrane constituting the heat transfer plate 3d can have good flameproofing properties. Even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components constituting the heat transfer plate 3d are retained, and basic performance such as moisture permeability, gas shielding properties, and flame resistance is retained. be able to.
- the breathable water-insoluble porous resin base material 13 having flameproofness plays a role of maintaining the strength as the heat transfer plates 3c, 3d, so that gas shielding and temperature And humidity
- the two-layer moisture-permeable resin film 7b composed of the porous resin film 11 and the hydrophilic moisture-permeable resin film 12a that perform the function of exchanging heat can be made very thin. Therefore, the composite moisture-permeable resin membrane having a three-layer structure constituting the heat transfer plates 3c and 3d has a small gas transfer and a high heat transfer, and can selectively reduce the permeation resistance only for water vapor. As a result, airflow leakage can be prevented and sensible heat exchange efficiency and latent heat exchange efficiency can be improved.
- the porous resin substrate 13 can be polymerized so as to enter the pores, and therefore the three layers constituting the heat transfer plate 3c.
- a composite moisture-permeable resin membrane having a structure can improve the polymerization strength by an anchor effect. Therefore, by eliminating the peeling, the basic performance as a composite moisture permeable resin film can be maintained for a long period of time, and even in an environment where condensation is repeated, deterioration due to condensed water is prevented. There is no delamination. Basic performance such as prevention of airflow leakage can be maintained.
- the corrugating process can be applied because the heat transfer plate 3d, the ribs constituting the spacing ribs 5a and 5b, and the shielding ribs 6a and 6b can be integrally formed without using a third substance such as an adhesive.
- a third substance such as an adhesive.
- the adhesive applied to the convex apex of the corrugated spacing plate 103 oozes out from the apex, and the effective area of the heat transfer plate 102 through which water vapor can pass is reduced. Absent. Accordingly, the effective area of the heat transfer plate 3d through which water vapor can be transmitted is increased, and the latent heat exchange efficiency can be improved.
- the hydrophilic moisture-permeable resin film 12a is made rough by roughening the surface of the hydrophilic moisture-permeable resin film 12a constituting the two- layer moisture-permeable resin film 7b by electric discharge machining. Since the surface area for polymerizing the porous resin substrate 13 can be increased, the composite moisture permeable resin film having a three-layer structure constituting the heat transfer plate 3d can improve the polymerization strength. Therefore, it can be combined with no peeling The basic performance as a moisture permeable resin membrane can be maintained for a long time, and deterioration due to condensed water is prevented even in an environment where condensation is repeated. Moreover, since there is no peeling as the heat transfer plate 3d, basic performance such as prevention of airflow leakage can be maintained.
- the water vapor permeable resin film 12a constituting the two-layer moisture permeable resin film 7b and the porous resin material base 13 are spot-bonded to each other with a water-resistant adhesive.
- the three-layer composite moisture-permeable resin membrane that constitutes the heat transfer plate 3d improves the adhesive strength while suppressing the decrease in latent heat exchange efficiency. be able to.
- the adhesive since the adhesive has water resistance, the basic performance of the three-layer composite moisture-permeable resin film constituting the heat transfer plate 3d that does not peel even in a humid environment can be maintained for a long period of time. Even in a repetitive environment, deterioration due to condensed water is prevented and there is no peeling as the heat transfer plate 3d, so that basic performance such as prevention of airflow leakage can be maintained.
- the three-layer composite moisture permeable resin film constituting the heat transfer plates 3c and 3d includes a porous resin film 11 having a flameproof property and a water-insoluble property, and a hydrophilic moisture permeable resin film 12a. And a porous resin base material 13. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components constituting the heat transfer plates 3c and 3d are retained, and basic performance such as moisture permeability, gas shielding properties, and flame resistance is retained. Can do.
- the flameproofing agent is kneaded into the porous resin membrane 11, the hydrophilic moisture-permeable resinous membrane 12 a and the porous resinous substrate 13 by adding a flameproofing agent at the time of molding each of the above. Therefore, even in a humid environment where dew condensation is repeated, the flameproofing agent does not elute into the dew condensation water and can be retained on the three-layer composite moisture permeable resin film, constituting the heat transfer plates 3c and 3d.
- a layered composite moisture-permeable resin membrane can maintain basic properties such as moisture permeability, gas shielding properties, and flame resistance.
- the central layer of the three-layer composite moisture permeable resin membrane constituting the heat transfer plate 3d can be a non-flame proof hydrophilic moisture permeable resin membrane. Because it is composed of a porous resin membrane 11 having flame resistance and a porous resin base material 13, the non-flame permeable hydrophilic water permeable resin membrane in the center layer is protected from the combustion product. Can do. Therefore, even if this hydrophilic moisture-permeable resin membrane is not flameproofed, the three-layer composite moisture-permeable resin membrane constituting the heat transfer plate 3d is good. It can have flame resistance.
- the breathable porous resin base material 13 made of nonwoven fabric has flame resistance and water insolubility, it is prevented from being deteriorated by condensed water even in an environment where condensation is repeated.
- the components constituting the heat plates 3c and 3d are retained, and basic performances such as moisture permeability, gas shielding properties, and flame resistance can be retained.
- the porous resin base material 13 has a structure in which a flameproofing agent is kneaded in advance with a water-insoluble resin fiber when forming a nonwoven fabric, the porous resin base material 13 is used even in a humid environment. The components that make up are retained. Therefore, even in an environment where condensation is repeated, deterioration due to condensed water is prevented, the components constituting the heat transfer plates 3c and 3d are retained, and basic performance such as moisture permeability, gas shielding, and flameproofness is retained. Can do.
- the present invention is useful as a heat exchanger having a laminated structure for use in a total heat exchange type ventilator such as a heat exchange type ventilation fan or a building for home use, and can be used particularly in an environment where condensation is repeated. Useful as heat exchange ⁇ .
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/296,379 US8550151B2 (en) | 2006-04-17 | 2007-04-16 | Heat exchanger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006113169A JP2007285598A (ja) | 2006-04-17 | 2006-04-17 | 熱交換器 |
JP2006-113169 | 2006-04-17 |
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WO2007119843A1 true WO2007119843A1 (ja) | 2007-10-25 |
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Family Applications (1)
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PCT/JP2007/058234 WO2007119843A1 (ja) | 2006-04-17 | 2007-04-16 | 熱交換器 |
Country Status (4)
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US (1) | US8550151B2 (ja) |
JP (1) | JP2007285598A (ja) |
CN (1) | CN101421580A (ja) |
WO (1) | WO2007119843A1 (ja) |
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Also Published As
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US20090071638A1 (en) | 2009-03-19 |
US8550151B2 (en) | 2013-10-08 |
JP2007285598A (ja) | 2007-11-01 |
CN101421580A (zh) | 2009-04-29 |
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