WO2022244498A1 - Dispositif d'absorption d'humidité et machine de lavage et de séchage de vaisselle - Google Patents

Dispositif d'absorption d'humidité et machine de lavage et de séchage de vaisselle Download PDF

Info

Publication number
WO2022244498A1
WO2022244498A1 PCT/JP2022/015794 JP2022015794W WO2022244498A1 WO 2022244498 A1 WO2022244498 A1 WO 2022244498A1 JP 2022015794 W JP2022015794 W JP 2022015794W WO 2022244498 A1 WO2022244498 A1 WO 2022244498A1
Authority
WO
WIPO (PCT)
Prior art keywords
moisture
air
humidity
aeration
metal salt
Prior art date
Application number
PCT/JP2022/015794
Other languages
English (en)
Japanese (ja)
Inventor
洋香 濱田
豪 鎌田
哲也 井出
奨 越智
恭子 松浦
Original Assignee
シャープ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2022244498A1 publication Critical patent/WO2022244498A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • 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
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present disclosure relates to a moisture absorption device and a dishwasher including humidity conditioning materials.
  • Dishwashers are known that can
  • a rotor-type desiccant type is adopted for the moisture absorption part, and the moisture is efficiently dehumidified in the initial stage of the drying process when the air humidity in the washing tank is high.
  • the moisture absorption part of the apparatus described in Patent Document 1 can efficiently dehumidify in the early stage of drying when the air in the cleaning tank is highly humid, but the dehumidification effect is significantly reduced when the drying progresses to a certain extent. do.
  • an object of the present disclosure is to provide a moisture absorption device and a dishwasher that have a continuous dehumidifying effect by using a novel humidity conditioning material with excellent dehumidifying ability.
  • a moisture absorption device comprising a moisture conditioning material within a first ventilable moisture absorber, said moisture conditioning material comprising a carrier extending into said first ventilating moisture absorber; It has a water absorbent resin supported on a support and a humidity conditioning liquid containing a metal salt, wherein at least one of the support and the water absorbent resin is impregnated with the humidity conditioning liquid, and the concentration of the metal salt is It is characterized by being biased in the first aeration and moisture absorber.
  • a dish washer/dryer having the moisture absorption device comprises a washing tank for washing dishes, a supply air passage for supplying air in the washing tank to the moisture absorption device, and the moisture absorption. a blowing unit for blowing the air to the device and discharging it to the cleaning tank; and a blowing unit provided between the cleaning tank and the moisture absorbing device for supplying warm air for regenerating the humidity conditioning material to the moisture absorbing device. and a heating unit for circulating the air dried by the moisture absorption device.
  • FIG. 1 is a diagram schematically showing a moisture absorbing device according to the first embodiment.
  • FIG. 2 is a diagram schematically showing a humidity conditioner included in the moisture absorbing device according to the first embodiment.
  • 3 is a partially enlarged view of FIG. 2.
  • FIG. 4 is a partially enlarged view of FIG. 2.
  • FIG. 5 is a diagram schematically showing a humidity conditioner in which the carrier is a nonwoven fabric.
  • FIG. 6 is a diagram schematically showing a moisture absorption device according to the second embodiment.
  • FIG. 7 is a graph showing the humidity in the cleaning tank and the amount of moisture absorbed by the moisture absorbing device when there is one ventilation moisture absorbent.
  • FIG. 8 is a graph showing the humidity in the cleaning tank and the amount of moisture absorbed by the moisture absorbing device when there are two ventilation moisture absorbents.
  • FIG. 9 is a diagram schematically showing the dishwasher according to the first embodiment, and is a diagram in circulation operation.
  • FIG. 10 is a diagram schematically showing the dish washer/dryer according to the first embodiment, and is a diagram in the air intake/exhaust operation.
  • FIG. 1 is a diagram schematically showing a moisture absorption device 100 according to the first embodiment.
  • a moisture absorbing device 100 according to the first embodiment includes a moisture conditioning material 20 inside a first ventilating moisture absorber 10 capable of ventilation.
  • the humidity conditioning material 20 has a carrier 21 extending inside the first aeration and moisture absorbent 10 , a water absorbent resin 23 carried by the carrier 21 , and a humidity conditioning liquid 22 containing a metal salt 25 . At least one of the carrier 21 and the water absorbent resin 23 is impregnated with the humidity conditioning liquid 22 .
  • the concentration of the metal salt 25 is uneven in the first aeration and moisture absorber 10 .
  • the humidity conditioning liquid 22 may contain a polyhydric alcohol 24 .
  • the moisture absorption device 100 can be used for a dish washer/dryer 200 and the like, which will be described later.
  • humidity conditioning refers to adjusting the amount of water vapor contained in the air.
  • Humidity conditioning consists of “moisture absorption,” which removes water vapor from the air to relatively reduce the amount of water vapor contained in the air, and “humidity absorption,” which relatively reduces the amount of water vapor contained in the air by supplying water vapor to the air. Including both “humidification” which increases to
  • the humidity conditioning material 20 absorbs (absorbs) moisture when the relative humidity is higher than 50% RH, and adjusts when the relative humidity is lower than 50% RH.
  • the wet material 20 releases (dehumidifies) moisture.
  • the predetermined relative humidity band correlates with the material of the humidity conditioning material 20 .
  • the predetermined relative humidity band correlates with the water content in the humidity conditioning liquid 22 .
  • the predetermined humidity zone may be, for example, 20% RH or more and 80% RH or less.
  • FIG. 2 is a diagram schematically showing the humidity conditioner 20 included in the moisture absorption device 100 according to the first embodiment.
  • the humidity conditioning material 20 has a support 21 , a water absorbent resin 23 , and a humidity conditioning liquid 22 containing a metal salt 25 .
  • FIG. 3 is a partially enlarged view of FIG.
  • the water absorbent resin 23 is carried on the carrier 21 .
  • FIG. 3 shows a state in which the humidity conditioning liquid 22 contains a polyhydric alcohol 24 and a metal salt 25, and the support 21 and/or the water absorbent resin 23 is impregnated with the humidity conditioning liquid 22. . Since the carrier 21 and/or the water absorbent resin 23 hold the humidity conditioning liquid 22, the humidity conditioning material 20 having a high ratio of surface area to volume can be realized. Thus, the rate of moisture absorption or release can be increased.
  • the humidity conditioning material 20 absorbs and absorbs moisture contained in the air at that location, or releases the moisture contained in the humidity conditioning material 20 into the air.
  • the carrier 21 is preferably made of a material that wets and holds the humidity conditioning liquid 22 .
  • it is composed of hydrophilic fibers such as porous material, nonwoven fabric, and woven fabric.
  • the shape it is in the form of a sheet, and is used after being molded into various shapes such as a flat plate, pleats, or honeycomb.
  • a sheet-like material is first formed into a corrugated (flute) shape by a corrugator, and then fixed and integrated with a flat liner made of the same or different material as the sheet with an adhesive. be done.
  • the water absorbent resin 23 can hold a large amount of water, and by fixing it to the carrier 21, the surface area can be increased and the efficiency of contact with the passing air can be improved. Then, the humidity control liquid 22 is held in the water-absorbing resin to absorb and release moisture.
  • the water absorbent resin 23 include ionic resins and nonionic resins.
  • the ionic resin include alkali metal salts of polyacrylic acid, starch-acrylate graft polymers, and the like.
  • alkali metal salts of polyacrylic acid include sodium polyacrylate.
  • nonionic resins include vinyl acetate copolymers, maleic anhydride copolymers, polyvinyl alcohols, polyalkylene oxides, and the like.
  • the amount of the humidity conditioning liquid 22 with respect to the water absorbent resin 23 is preferably 1 part by weight or more and 1000 parts by weight or less with respect to 100 parts by weight of the water absorbent resin. By doing so, the amounts of the resin and the humidity control liquid 22 are appropriate, and the humidifying and dehumidifying effects can be further enhanced.
  • polyhydric alcohol 24 examples include glycerin, propanediol, butanediol, pentanediol, trimethylolpropane, butanetriol, ethylene glycol, diethylene glycol, and triethylene glycol.
  • polyhydric alcohol 24 having 3 or more hydroxyl groups such as glycerin is more preferably used.
  • the polyhydric alcohol 24 may constitute a dimer or a polymer. Moreover, only 1 type may be included and 2 or more types may be included.
  • a specific example of the metal salt 25 is a substance containing an alkali metal element and a halogen element.
  • Specific examples thereof include calcium chloride, lithium chloride, magnesium chloride, potassium chloride, sodium chloride, zinc chloride, aluminum chloride, lithium bromide, calcium bromide, potassium bromide, sodium hydroxide, sodium pyrrolidonecarboxylate, Sodium lactate, potassium lactate, sodium acetate, potassium acetate, lithium acetate, potassium formate, sodium formate, sodium propionate, sodium butyrate, sodium citrate, potassium citrate, potassium carbonate and the like.
  • these metal salts only one kind may be contained, or two or more kinds may be contained.
  • the manufacturing method of the humidity conditioning material 20 includes a process of manufacturing the water absorbent resin 23 and a process of swelling the obtained water absorbent resin 23 with the humidity conditioning liquid 22 .
  • the water absorbent resin 23 can be manufactured by a known reverse phase suspension polymerization method.
  • the water-absorbing resin 23 has a continuous phase of a hydrophobic organic solvent containing a surfactant and a dispersant, a monomer constituting the repeating unit of the above-described water-absorbing polymer material, a polymerization initiator, and a cross-linking polymer. It can be produced by suspension polymerization using a mixed liquid containing an agent as a dispersed phase.
  • acrylic acid, vinyl acetate, vinyl alcohol, and maleic anhydride can be used as monomers.
  • the polymerization initiator for example, organic peroxides and azo compounds known as radical polymerization initiators can be used.
  • a cross-linking agent is used to adjust the water absorption performance of the water absorbent resin 23 to be obtained. The greater the amount of the cross-linking agent to be copolymerized with the monomer, the denser the cross-linking of the polymer material forming the water-absorbing resin 23, and the lower the hygroscopicity. The smaller the amount of the cross-linking agent to be copolymerized with the monomer, the looser the cross-linking of the polymer material forming the water-absorbing resin 23, and the more hygroscopic it is.
  • aliphatic hydrocarbons for example, aliphatic hydrocarbons, alicyclic hydrocarbons, aromatic hydrocarbons, aliphatic alcohols, aliphatic ketones, and aliphatic esters can be used.
  • the surfactant that can be used is not limited, and any of anionic surfactants, cationic surfactants, amphoteric surfactants and nonionic surfactants can be used.
  • the dispersant is not particularly limited, and any known dispersant can be used as long as it can stably disperse the monomer in the organic solvent.
  • the dispersant for example, fatty acid ester, cellulose ether, cellulose ester, etc. can be used.
  • the water-absorbent resin 23 having structural color can be produced in the same manner as a known method for producing inverse opal gel.
  • the humidity conditioning material 20 in which the carrier 21 and the water absorbent resin 23 are impregnated with the humidity conditioning liquid 22 is manufactured. be able to. Further, by impregnating the support 21 with the humidity conditioning liquid 22 and fixing the dried water absorbent resin 23, the humidity conditioning material 20 in which only the water absorbent resin 23 is impregnated with the humidity conditioning liquid 22 can be manufactured. .
  • the polyhydric alcohol 24 (glycerin, etc.) is easily taken into the inside of the water absorbent resin 23, but the metal salt 25 (lithium chloride, etc.) has a small ion concentration difference with the water absorbent resin 23. tend to be difficult to get into.
  • the hygroscopicity of the metal salt 25 such as lithium chloride is greater than that of the polyhydric alcohol 24 such as glycerin.
  • the metal salt 25 is deliquescent and may drip when it absorbs moisture, so it cannot be used as it is. Therefore, the carrier 21 and/or the water-absorbent resin 23 hold the metal salt 25 to prevent dripping, absorb moisture contained in the ambient air, and discharge the dry air from the aerated moisture absorber.
  • the concentration of the metal salt in the humidity conditioning liquid is, for example, preferably 1 wt% or more and 50 wt% or less, more preferably 5 wt% or more and 20 wt% or less. Further, the concentration of the metal salt 25 is uneven in the first aeration moisture absorbent 10, and the metal salt 25 is unevenly distributed in the first aeration moisture absorbent 10 and the support 21 within the above concentration range. is doing. For example, as shown in FIG. 4, it is preferable that the concentration of the metal salt 25 is higher in the core portion 21b of the carrier 21 in the humidity control material 20 than in the outer portion 21a.
  • the high-humidity air passing through the support comes into first contact with the water-absorbing resin impregnated with the humidity conditioning liquid on the base material, and is absorbed to lower the air humidity. Subsequently, when dehumidified air approaches the core, the high metal salt concentration in the core allows more moisture to be absorbed from the dehumidified air. Thereby, the moisture absorption efficiency is improved.
  • the concentration may be high or low within the concentration range of the metal salt described above.
  • it is in the y direction, and the concentration of the metal salt 25 is preferably higher downstream of the first aerating moisture absorbent 10 than upstream within the concentration range of the metal salt described above.
  • the humidity of the passing air gradually decreases with the passage distance of the first ventilation and moisture absorbent 10 .
  • the hygroscopic efficiency decreases toward the downstream side. Therefore, by making the concentration of the metal salt 25 higher in the downstream side of the first ventilation and moisture absorbent 10 than in the upstream side, more moisture can be absorbed even from low-humidity air, so that the moisture absorption efficiency is improved.
  • FIG. 5 is a diagram schematically showing the humidity conditioner 20 when the carrier 21 is nonwoven fabric.
  • the concentration of the metal salt 25 is higher in the core portion 21b of the carrier 21 in the humidity control material 20 than in the outer portion 21a.
  • the concentration of the metal salt 25 of the humidity conditioning liquid 22 (24, 25) impregnated in the core portion 21b of the carrier 21 is increased, and the concentration of the metal salt 25 of the humidity conditioning liquid 22 (24, 25) retained in the water absorbent resin is increased. Lower the concentration.
  • a binder that holds and fixes the support 21 and the water absorbent resin 23 may be used, but from the viewpoint of reducing material costs, etc., the base material is impregnated and held by capillary action, dried with hot air, and the metal salt is dried. 25 may be fixed.
  • the humidity conditioning material 20 is regenerated by being heated by the heating unit 53, which will be described later. That is, by heating the humidity conditioning material 20, the moisture contained in the humidity conditioning material 20 is released, and the high-humidity air entering the first ventilation and moisture absorbent 10 is dehumidified.
  • a plurality of ventilation moisture absorbers may be provided in parallel. By doing so, it is possible to improve the processing air volume.
  • the humidity conditioning material 20 preferably has an indicator that changes color depending on the wet state. In this way, the difference in the moisture content at each equilibrium humidity can be indicated by the color change, so the wet state of the humidity conditioner 20 can be easily confirmed, and a sufficient moisture absorbing effect can be obtained. It can be expected that the moisture absorption effect will be emphasized.
  • the indicator changes color based on the moisture content in the humidity conditioning liquid 22 .
  • the humidity conditioning material 20 is provided with an indicator, the color of the humidity conditioning material 20 can change as the moisture content in the humidity conditioning liquid 22 changes as the relative humidity changes. Therefore, by confirming the color of the humidity conditioning material 20, the change in relative humidity can be confirmed.
  • the indicator may be dissolved in the humidity conditioning liquid 22, for example.
  • the humidity conditioning material 20 can be colored to indicate a dry state, and the humidity conditioning material 20 can be colorless to indicate a wet state. Also, depending on the type of indicator, the opposite can be done. Furthermore, in order to indicate the dry state and the wet state, the color of the indicator may be indicated by shading or may be indicated by hue change. The type of indicator may be changed as appropriate.
  • the indicator is not particularly limited, but may be a reversible pH indicator, cobalt chloride, or the like.
  • Preferred pH indicators include, for example, methyl purple, methyl yellow, bromophenol blue, congo red, methyl orange, bromocresol green, methyl red, litmus, bromocresol purple, bromothymol blue, phenol red, thymol blue, phenol phthalein, chlorophenol red, triarylmethane derivatives, fluorane derivatives, pyrazolone derivatives, azo derivatives, xanthene derivatives and the like.
  • the humidity conditioning material 20 may contain one type of indicator, but preferably contains multiple types of indicators.
  • the plurality of types of indicators preferably include a plurality of types of indicators with mutually different pHs at which colors change. In this case, it is possible to increase the variation of colors that change with the change in pH of the humidity conditioning liquid 22 . Therefore, it is possible to check the relative humidity more strictly.
  • FIG. 6 is a diagram schematically showing a moisture absorption device 150 according to the second embodiment.
  • the moisture absorption device 150 according to the second embodiment includes, in addition to the first ventilation moisture absorbent 10, the second ventilation moisture absorbent 30, the first ventilation moisture absorbent 10 and the second ventilation moisture absorbent. It further has air passages 31 , 32 , 33 for introducing high-humidity air upstream of the moisture absorber 30 and a first damper 34 for switching between the air passages 32 , 33 .
  • the second aeration moisture absorbent 30 has, for example, the same configuration as the first aeration moisture absorbent 10 .
  • FIG. 6 although it has two aeration moisture absorbers, you may have two or more.
  • a moisture absorbing device 150 according to the second embodiment shown in FIG. 30 is supplied with high-humidity air.
  • high-humidity air is sent from the air path 31 to the first aeration and moisture absorbent 10 through the air path 32 and the moisture adsorption amount approaches saturation and the moisture absorption efficiency of the first aeration and moisture absorbent 10 decreases.
  • the air paths 32 and 33 are switched by a damper 34 to send high-humidity air through the air path 33 to the second ventilation and moisture absorbent 30, and dry air is discharged.
  • the second aeration moisture absorbent 30 may be composed of the humidity conditioning liquid 22 having a higher concentration of the metal salt 25 than the first aeration moisture absorbent 10 .
  • the metal salt has a higher hygroscopicity, thereby improving the dehumidification efficiency.
  • one of the first aeration moisture absorbent 10 and the second aeration moisture absorbent 30 contains a polyhydric alcohol in the humidity conditioning liquid and the other humidity conditioning liquid does not contain a polyhydric alcohol.
  • the humidity control liquid may contain a polyhydric alcohol, but the concentration may be different.
  • FIG. 7 is a graph showing the humidity in the cleaning tank 50 and the moisture absorption amount of the moisture absorption device 100 when there is one aeration moisture absorber
  • FIG. 8 is the humidity in the cleaning tank 50 and the moisture absorption device when there are two ventilation moisture absorbers.
  • 150 is a graph showing the amount of moisture absorption.
  • the horizontal axis represents elapsed time.
  • FIG. 8 shows that the first aeration moisture absorbent 10 was switched to the second aeration moisture absorbent 30 halfway through by a damper.
  • the first aeration moisture absorbent 10 and the second aeration moisture absorbent 30 in FIG. 8 have the same configuration.
  • High-humidity air is passed through the first aeration and moisture absorbent 10, and when the amount of moisture adsorption approaches saturation and the moisture absorption efficiency decreases, the air paths 32 and 33 are switched by a damper to open the second aeration and moisture absorbent. By venting 30, the moisture absorption efficiency is further improved, as shown in FIGS. By improving the moisture absorption efficiency, the time required to absorb all the moisture attached to the objects to be washed in the washing tank is shortened, making it possible to shorten the drying time.
  • composition (carrier 21, water absorbent resin 23, metal salt 25) of the first aeration moisture absorbent 10 and the second aeration moisture absorbent 30 may be different or the same.
  • the moisture absorbing devices 100 and 150 of the present disclosure have excellent dehumidifying ability and have a continuous dehumidifying effect.
  • the dish washer/dryer 200 according to the first embodiment is characterized by using the moisture absorbing devices 100 and 150 described above and circulating the air dried by the moisture absorbing devices 100 and 150 .
  • the dish washer/dryer 200 shown in FIG. 9 is in circulation operation in which the air in the washing tank 50 is not discharged to the outside of the dish washer/dryer 200 .
  • a dish washing/drying machine 200 includes a washing tank 50, a supply air passage 51, an air blowing section 52, and a heating section 53, as shown in FIG.
  • the washing tank 50 washes dishes.
  • the supply air passage 51 supplies the air in the cleaning tank 50 to the moisture absorption devices 100 and 150 .
  • the air blower 52 blows air to the moisture absorption devices 100 and 150 and discharges the air into the cleaning tank 50 .
  • the air blower 52 may be, for example, a blower fan.
  • the heating unit 53 is provided between the cleaning tank 50 and the moisture absorbing devices 100 and 150 and supplies hot air to the moisture absorbing devices 100 and 150 for regenerating the humidity conditioning material 20 . When the humidity conditioning material 20 is heated, the moisture contained in the humidity conditioning material 20 is released and regenerated.
  • the heating unit 53 may be, for example, a heater.
  • the dish washer/dryer 200 according to the first embodiment has an excellent dehumidification capability and a continuous dehumidification effect. Further, according to the dish washing/drying machine 200 according to the first embodiment, in the drying step of washing and drying the dishes, the air in the washing tank 50 is ventilated through the moisture absorbing devices 100 and 150 and returned to the washing tank 50 to be circulated. By doing so, it is possible to achieve a configuration in which the high-temperature, high-humidity air after the rinsing process is finished is not discharged. Since high-humidity air is not discharged to the outside environment, it is possible to prevent dew condensation, reduce the discomfort caused by the smell of the washed items, and ensure safety. In addition, while the regeneration of conventional dry desiccants requires heating at 100° C. or higher, desorption of water from the water-absorbing resin can be achieved at a temperature below that, so low power consumption can be achieved.
  • the moisture absorption device 100, 150 preferably has at least two ventilated moisture absorbers. After ventilating the first ventilating moisture absorbent 10, air paths 32 and 33 are switched by a damper so as to ventilate the second ventilating moisture absorbent 30. - ⁇ The switching timing may be after a predetermined time has passed. In this way, heat of adsorption due to adsorption of water is generated in the first stage and the second stage, thereby reducing the load on the heater for drying the dishes and realizing low power consumption.
  • the dish washer/dryer 200 further includes a humidity sensor 54 upstream of the moisture absorption devices 100 and 150 and between the washing tank 50 and the moisture absorption devices 100 and 150. It is preferable to switch the air paths 32 and 33 so that the blown air is ventilated to the first aeration moisture absorbent 10 or the second aeration moisture absorbent 30 when detected. For example, it is switched when the humidity sensor 54 detects that the humidity of the circulating air in the cleaning tank 50 has reached a predetermined humidity. In this way, heat of adsorption due to adsorption of moisture is generated in the first stage and the second stage, thereby reducing the load on the heater for drying the dishes and further realizing low power consumption.
  • the moisture absorption efficiency can be further improved. Also, in the drying process, moisture adsorption occurs even in the air with lowered humidity, and the dehumidification efficiency can be improved.
  • the dishwasher 200 may further include a humidity sensor 54 downstream of the moisture absorbing devices 100, 150 and between the moisture absorbing devices 100, 150 and the washing tank 50. In this way, it is possible to detect the wetness of the air discharged from the moisture absorbing devices 100 and 150, and when the amount of moisture absorbed by the first ventilation moisture absorbent 10 decreases, the air flows to the second ventilation moisture absorbent 30.
  • the paths 32 and 33 can be switched to improve moisture absorption efficiency.
  • the dish washer/dryer 200 performs a circulation operation in which the air in the washing tank 50 is not discharged to the outside of the dish washer/dryer 200 as shown in FIG. 9, and an intake/exhaust operation as shown in FIG. It may be done.
  • the dishwasher 200 according to the first embodiment includes an air supply air passage 60, a second damper 62, a third damper 63, and a fourth damper. 64 and an exhaust air passage 61 .
  • the air supply air passage 60 supplies the outside air of the dishwasher 200 to the inside.
  • the second damper 62 switches the air path of the air supplied from the cleaning tank 50 or the air supplied from the air supply air path 60 .
  • the third damper 63 switches the air path of the air discharged to the moisture absorbing devices 100 and 150 or the air discharged to the cleaning tank 50 in the supply air path 51 .
  • the exhaust air passage 61 discharges the air inside the dish washer/dryer 200 from the washing tank 50 to the outside. switch.
  • the high-temperature and high-humidity air in the cleaning tank 50 is passed through the moisture absorbing devices 100 and 150, and the humidity sensor 54 detects that the circulating air in the cleaning tank 50 has become less than a predetermined humidity.
  • the second damper 62, the third damper 63 and the fourth damper 64 are switched to introduce the outside air into the cleaning tank 50 from the supply air passage 60, and the air in the cleaning tank 50 from the exhaust air passage 61. Evacuate and perform pumping and exhausting operation.
  • the moisture absorbing devices 100 and 150 and the dishwasher 200 that have excellent dehumidifying ability and continuous dehumidifying effect.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Gases (AREA)

Abstract

Un but de la présente invention est de fournir un dispositif d'absorption d'humidité et une machine de lavage et de séchage de vaisselle qui utilisent un nouveau matériau de régulation d'humidité ayant une excellente capacité de déshumidification et qui présentent de manière persistante un effet de déshumidification.　Ce dispositif d'absorption d'humidité comprend un matériau de régulation de l'humidité dans un premier corps absorbant l'humidité pouvant être ventilé permettant le passage d'air et est caractérisé en ce que : le matériau de régulation de l'humidité comprend un support situé de manière à s'étendre dans le premier corps absorbant l'humidité pouvant être ventilé, une résine absorbant l'eau maintenue par le support et un liquide de régulation de l'humidité contenant un sel métallique ; le liquide de régulation de l'humidité est imprégné dans le support et/ou la résine absorbant l'eau ; et la concentration du sel métallique est irrégulière dans le premier corps absorbant l'humidité pouvant être ventilé.
PCT/JP2022/015794 2021-05-20 2022-03-30 Dispositif d'absorption d'humidité et machine de lavage et de séchage de vaisselle WO2022244498A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-085215 2021-05-20
JP2021085215 2021-05-20

Publications (1)

Publication Number Publication Date
WO2022244498A1 true WO2022244498A1 (fr) 2022-11-24

Family

ID=84141189

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/015794 WO2022244498A1 (fr) 2021-05-20 2022-03-30 Dispositif d'absorption d'humidité et machine de lavage et de séchage de vaisselle

Country Status (1)

Country Link
WO (1) WO2022244498A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253924A (ja) * 2001-03-05 2002-09-10 Matsushita Electric Ind Co Ltd 除湿デバイスとこの除湿デバイスを使用する除湿装置
JP2004351012A (ja) * 2003-05-30 2004-12-16 Inax Corp 食器洗い乾燥機
JP2006020753A (ja) * 2004-07-07 2006-01-26 Matsushita Electric Ind Co Ltd 食器洗い乾燥機
JP2014212827A (ja) * 2013-04-23 2014-11-17 パナソニック株式会社 食器洗い乾燥機
JP2016198706A (ja) * 2015-04-08 2016-12-01 シャープ株式会社 調湿装置
WO2020218155A1 (fr) * 2019-04-23 2020-10-29 シャープ株式会社 Dispositif de régulation d'humidité

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253924A (ja) * 2001-03-05 2002-09-10 Matsushita Electric Ind Co Ltd 除湿デバイスとこの除湿デバイスを使用する除湿装置
JP2004351012A (ja) * 2003-05-30 2004-12-16 Inax Corp 食器洗い乾燥機
JP2006020753A (ja) * 2004-07-07 2006-01-26 Matsushita Electric Ind Co Ltd 食器洗い乾燥機
JP2014212827A (ja) * 2013-04-23 2014-11-17 パナソニック株式会社 食器洗い乾燥機
JP2016198706A (ja) * 2015-04-08 2016-12-01 シャープ株式会社 調湿装置
WO2020218155A1 (fr) * 2019-04-23 2020-10-29 シャープ株式会社 Dispositif de régulation d'humidité

Similar Documents

Publication Publication Date Title
JP6528097B2 (ja) 除湿装置及び除湿方法
CN101296742A (zh) 用于从工作气体中分离物质的方法和装置
JPH0118335B2 (fr)
CN103453621A (zh) 一种自动控温的转轮式除湿机
JP3997438B2 (ja) 低温再生型吸湿素子
KR100963116B1 (ko) 제습제와 제습 엘리먼트 및 그들의 제조방법들
WO2022244498A1 (fr) Dispositif d'absorption d'humidité et machine de lavage et de séchage de vaisselle
KR102180663B1 (ko) 공기조화기와 그 제어방법
JP3880378B2 (ja) 除湿機
WO2016059864A1 (fr) Dispositif de déshumidification
JP2006020753A (ja) 食器洗い乾燥機
JP2010167178A (ja) 洗濯乾燥機
WO2022181741A1 (fr) Humidificateur
JP2002001051A (ja) 調湿機
WO2023026683A1 (fr) Dispositif de séchage de produit alimentaire
CN210581636U (zh) 鞋柜
JP2001259417A (ja) 空調装置用吸着材，吸湿素子および除湿方法
US20220387972A1 (en) Dehumidifying element, dehumidifying device including dehumidifying element, and method of manufacturing dehumidifying element
JPH09210367A (ja) 調湿装置付き調理装置及びその調湿方法
JPH0115780B2 (fr)
JP3633663B2 (ja) 吸湿素子
JPH02197739A (ja) 調湿装置
US20230062833A1 (en) Dryer, drying method, and dehumidification filter
JP5631148B2 (ja) 屋内用除湿装置
KR20130076909A (ko) 실리카겔을 이용한 재활용이 가능한 제습장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22804415

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22804415

Country of ref document: EP

Kind code of ref document: A1