JP2009082888A - Adsorbing element and air-conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an air-conditioner having an adsorbing element to be used for adsorbing or recovering by concentrating moisture or an organic gas in air, which is capable of regenerating the adsorbing element more efficiently than is conventionally possible so as to be able to save energy or increase an adsorbed amount with the same amount of energy as conventionally used, wherein the adsorbing element carries an infrared ray absorbing agent therein, and a heating device for regenerating the adsorbing element comprises a heating means emitting infrared rays whereby the infrared absorbing agent absorbs infrared rays emitted by the heating means so that an adsorbing agent of the adsorbing element is heated more effectively. <P>SOLUTION: The adsorbing element having zeolite 2 as an adsorbing agent through a binder 3 carried on a honeycomb-structured substrate 1 processed in a circular form by overlapping one after the other and rolling corrugated sheets and flat sheets is impregnated with a dispersion prepared by mixing a surface active agent, manganese dioxide 5 as an infrared ray absorbing agent, and water. The adsorbing element 7 adsorbing infrared rays is obtained by drying it. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an adsorption element that adsorbs moisture and organic gas and an air conditioner equipped with the adsorption element.

  Conventionally, this type of adsorbing element is known as an adsorbing element obtained by processing an inorganic sheet into a honeycomb structure and supporting an adsorbent such as zeolite on the honeycomb structure. As the desorption means, heating by warm air heated by a heater, heating by radiation of the heater, heating by exhaust heat of the fuel cell, etc. are known, and in particular, a dehumidifier or air for removing moisture in the air. It is used in a deodorizer that adsorbs organic gas and the like therein (for example, see Patent Document 1).

Hereinafter, the dehumidifier and the adsorption element will be described with reference to FIGS. 5 and 6. As shown in the figure, the adsorbing element 101 includes an element base material 102 and an adsorbent 103, and includes a ventilation fan 105 that creates an air flow 104, thereby adsorbing moisture in the air and providing dried processing air 106. . Further, the adsorbing element is rotated by the rotating means 107, and the moisture adsorbed on the adsorbent 103 is desorbed by the regenerated air 109 blown out from the heating means 108. The desorbed water enters the heat exchanger 110, where it is cooled by the blown air 111 and condensed to form water droplets 112. This is collected in the tank 113. Thus, air can be dehumidified continuously by an adsorption / desorption cycle in which adsorption and desorption are repeated.
JP 2000-117042 A

  Such a conventional adsorption element has a problem that the energy consumed by the heating means for desorption is large.

  The present invention solves such a conventional problem, and efficiently uses the heat of the heating device to suppress energy consumption related to desorption, or has a larger adsorption / desorption effect with similar energy. An object of the present invention is to provide an adsorbing element with good heating efficiency and regeneration efficiency. And by installing an adsorption element that can effectively use the heat of this heating device in the air conditioner, the adsorption element can be desorbed and removed more efficiently with less energy, and this makes it possible to input the same energy as the current input. It aims at adsorbing more moisture and organic gas.

  In order to achieve the above object, the adsorbing element of the present invention is an adsorbing element in which a material that absorbs infrared rays is carried inside or on the surface of the adsorbing element that is a ventilation body including an adsorbent in the structure.

  By this means, when adsorbing adsorbents such as moisture and organic gas when adsorbing, the infrared rays from the heating device are effectively adsorbed to efficiently heat the adsorbents in contact with the infrared absorber. In addition, other adsorbents can also be warmed starting from the warmed adsorbent. That is, an adsorption element that can efficiently use heat from the heating device for desorption is obtained. Therefore, more desorption amount than that obtained with the input energy in the conventional heating means can be obtained, that is, more adsorption is possible, so if the energy amount is the same, the adsorption capacity Will improve. When the amount of adsorption is the same as in the conventional case, it is possible to reduce the energy consumed by the heating energy.

  In the air conditioner of the present invention, a nichrome wire heater, a halogen heater, or an infrared heater is used as a heating means that carries the adsorption element carrying the infrared absorbing material and regenerates the element adsorbed from the element. . Since these heaters emit a large amount of infrared rays, the infrared absorbing material can be effectively heated. Therefore, the adsorption capability is improved with the same heating energy. When the amount of adsorption is the same as in the prior art, it is possible to reduce the energy consumed by the heating energy for desorption and regeneration.

  According to the present invention, when the heating efficiency and regeneration efficiency of the adsorbent are improved, the energy required for regeneration is reduced as compared with the conventional adsorption element, and the adsorption element or regeneration energy capable of adsorption / desorption is made the same as the conventional one. In addition, it is possible to provide an adsorption element that can adsorb and desorb more moisture and organic gas than the conventional adsorption element. In addition, the air conditioner equipped with this adsorption element is more energy saving than the one equipped with the conventional adsorption element, or has the same adsorption / desorption capability even with the same energy as the conventional one. It is possible to provide an air conditioner capable of adsorbing moisture and organic gas.

  According to the first aspect of the present invention, an adsorbent element having a breathability made of a material containing an adsorbent is loaded with an infrared absorbing material having an infrared absorption rate higher than that of the adsorbent, thereby heating the adsorbent. The efficiency and the reproduction efficiency are improved. An adsorbing element composed of an adsorbent adsorbs moisture and organic gas in the air, but applies heat by a heating device or the like in order to desorb it and regenerate the adsorbing power. At that time, the infrared absorbing material absorbs the infrared rays from the heating device by contacting the adsorbent mentioned above or in the vicinity thereof with a material having a higher infrared absorptivity than the adsorbent, or the heat is contacted. The adsorbent adsorbs the above-mentioned moisture or organic gas that is present in the vicinity, and the adsorbent can receive heat not only from the heating device but also from the infrared absorbing material, so heating efficiency and regeneration efficiency are improved. It is possible to regenerate with less energy than when regenerating only with heat from the heating device. Therefore, the energy required for regeneration can be reduced. Alternatively, since the amount of desorption during regeneration by heating increases even with the same energy, the amount that can be adsorbed increases, and the amount of adsorption of the adsorption element can be increased.

  In addition, some infrared absorbing materials transmit visible light. However, it is desirable to use a material that has absorption even at a visible light wavelength and has a color different from that of an adsorbent element composed of an adsorbent or an adsorbent. This is because it is possible to visually check whether the infrared absorbing material is supported, how much it is supported, and whether there is uneven support when it is supported on the adsorption element. This is because, even with an optical microscope or the like, the carrying state is easy to observe, which is advantageous when considering mass production.

  The invention according to claim 2 of the present invention is an adsorbing element characterized in that the adsorbing element carrying the infrared absorbing material has a honeycomb structure having a ventilation structure, and the honeycomb structure has a low pressure loss in ventilation. It is known that the structure of the base material carrying the adsorbent is desirable.

  According to a third aspect of the present invention, there is provided an adsorbing element characterized in that the adsorbent is particularly zeolite in the adsorbing element carrying the infrared absorbing material. Zeolite is desirable because it is excellent in adsorption of moisture and organic gas, and has high heat resistance even during regeneration by heating, so that it can be easily used in a system for continuous adsorption and regeneration. However, in the absorption of heat rays, the absorptance increases on the longer wavelength side than about 3 μm, but since the absorptance in the near-to-mid-infrared region is shorter than that, the infrared absorbing material that easily absorbs the mid-infrared light from near. It is desirable to use

  The invention according to claim 4 of the present invention is an adsorbing element characterized in that the infrared absorbing material is a polycarbonate resin. Since the polycarbonate resin has a very high infrared absorptivity, it is easy to absorb the infrared rays of the heating device, It is desirable because it can receive heat for heating. However, care must be taken because it is not suitable for regeneration at a temperature that is thermally unstable.

  The invention according to claim 5 of the present invention is an adsorbing element characterized in that the infrared absorbing material is a metal oxide, and not only the effect of absorbing infrared rays as described above but also the metal oxide. Acts as a thermal catalyst, so that it can be decomposed by a catalytic reaction when the organic gas adsorbed by the adsorbent is desorbed.

  The invention according to claim 6 of the present invention is an adsorbing element characterized in that the infrared absorbing material is a manganese-based oxide containing at least manganese, and the manganese-based oxide is inexpensive among metal oxides. In addition, since the material is a brown to black material such as manganese dioxide, the carrying state is easily grasped and the material can absorb infrared rays, the above-described effect of warming the adsorbent is also obtained. Further, since manganese oxide also acts as a thermal catalyst, there is an effect that it can be decomposed by a catalytic reaction when the organic gas adsorbed by the adsorbent is desorbed.

  The invention according to claim 7 of the present invention is an adsorbing element characterized in that the above-mentioned infrared absorbing material is at least iron oxide. For example, iron oxide such as triiron tetroxide is inexpensive among metal oxides. In addition, since the black material is easy to grasp the carrying state and can absorb infrared rays, the above-described effect of warming the adsorbent can be obtained.

  The invention according to claim 8 of the present invention is an adsorption element characterized in that the above-mentioned infrared absorbing material is applied to the ventilation end face of the adsorption element. In an adsorbing element carrying an adsorbent, if an infrared absorbing material is present on the adsorbent, the adsorption site of the adsorbent may be inhibited. However, if only the vent end face is obstructed, on the other hand, disposing the coating surface on the vent end face in the vicinity of the heating device effectively absorbs heat and propagates the heat of the heating device by propagation. It can be transmitted to the entire adsorption element. Therefore, the effect of the infrared absorbing material can be obtained without inhibiting the adsorption site of the adsorbent. As a result, the adsorption element can obtain heat not only from the heating device but also from the infrared absorbing material, so that the adsorbent can be regenerated with less energy than in the case of regeneration using only the heat from the heating device. Is possible. Therefore, the energy required for regeneration can be reduced. Alternatively, since the amount of regeneration increases even with the same energy, the amount of adsorption can be increased, and the adsorption amount of the adsorption element can be increased.

  The invention according to claim 9 of the present invention is an adsorbing element characterized in that the average particle diameter of the infrared absorbing material is 0.5 μm or more and 3 μm or less, and visible light to near infrared light. In particular, the average particle diameter of the infrared absorbing material is preferably 0.5 μm or more in order to absorb water, and 3 μm or less in order to carry it in contact with the adsorbent. If the average particle size becomes too large, the contact with the adsorbent becomes worse and, in addition, because of the large particle size, the infrared absorbing material will fall off due to peeling. Therefore, it is necessary to use an adhesive to prevent powder falling off. However, because of the adhesive, the adsorption site of the adsorbent is hindered. Therefore, the average particle diameter is 3 μm or less for supporting the adsorption element without using an adhesive, and the effect of the infrared absorbing material can be obtained without inhibiting the adsorption.

  The invention according to claim 10 of the present invention is an adsorbing element characterized in that the weight of the infrared absorbing material is 0.01% or more and 15% or less of the weight of the adsorbent. When the infrared absorbing material is clearly present, the infrared ray hits the portion, and the adsorbing material that is in contact with the absorbed and released heat can be heated. On the other hand, if it is present in a large amount of 15% or more, it is possible to receive infrared heat, but conversely, it results in inhibiting the adsorption site of the adsorbent. There is an appropriate amount for the weight. Desirably, 6% or less is desirable so that the adsorption amount is improved without inhibiting the adsorption.

  In the invention according to claim 11 of the present invention, as a method of supporting the infrared absorbing material on the adsorption element, a liquid in which the infrared absorbing material is dispersed together with the surfactant is ball-milled to prepare an infrared absorbing agent dispersion and adsorbed thereto. The adsorbing element impregnated with an adsorbing element impregnated with an agent and carrying an infrared absorbing material, the infrared absorbing material can be ball milled to reduce the particle size, and the dispersion has surface activity. By mixing the agent, reaggregation of the infrared absorbing material can be prevented and the particle diameter can be kept fine. By keeping the particles fine, the infrared absorbing material can be supported on the adsorbing element without using an adhesive, and the effect of the infrared absorbing material can be obtained without being blocked by the adhesive.

  It should be noted that it is desirable to use an appropriate amount of a cationic, anionic or nonionic surfactant depending on the characteristics of the infrared absorbing material.

  According to a twelfth aspect of the present invention, an adsorption element carrying the above-mentioned infrared absorbing material, a ventilation means for venting the adsorption element, and a heating means for heating the adsorption element are arranged in a casing. The air-conditioning apparatus is characterized by using a nichrome wire heater as the heating means, and the infrared absorbing material particularly absorbs the mid-infrared ray emitted from the nichrome wire, and is present in or near the heat. The moisture or organic gas is adsorbed to the adsorbent, and the adsorbent can receive heat not only from the heating device but also from the infrared absorbing material. It is possible to regenerate with less energy. Therefore, the energy required for regeneration can be reduced. Alternatively, since the amount of desorption due to heating increases even with the same energy, the amount that can be adsorbed increases, and the adsorption amount of the adsorption element can be increased.

  According to a thirteenth aspect of the present invention, an adsorption element carrying the above-mentioned infrared absorbing material, a ventilation means for venting the adsorption element, and a heating means for heating the adsorption element are arranged in a casing. The air conditioner is characterized in that a halogen lamp is used as the heating means, and the infrared ray absorbing material particularly absorbs infrared rays emitted from the halogen lamp, particularly at a wavelength of around 1 μm, and is in contact with or near the heat. , Given to the adsorbent adsorbed moisture or organic gas as mentioned above, because the adsorbent can receive heat not only from the heating device but also from the infrared absorbing material, from the time of regeneration only by the heat from the heating device It is possible to regenerate with less energy. Therefore, the energy required for regeneration can be reduced. Alternatively, since the amount of desorption due to heating increases even with the same energy, the amount that can be adsorbed increases, and the adsorption amount of the adsorption element can be increased.

  According to a fourteenth aspect of the present invention, an adsorption element carrying the above-mentioned infrared absorbing material, a ventilation means for venting the adsorption element, and a heating means for heating the adsorption element are arranged in a casing. And an air conditioner characterized in that an infrared heater is used as the heating means, and the infrared ray absorbing material particularly absorbs infrared rays emitted from the infrared heater, and contacts the heat or exists in the vicinity, Since organic gas is given to the adsorbent that has adsorbed it, the adsorbent can receive heat not only from the heating device but also from the infrared absorber, so it requires less energy than when regenerating with heat from the heating device alone. It is possible to play. Therefore, the energy required for regeneration can be reduced. Alternatively, since the amount of desorption due to heating increases even with the same energy, the amount that can be adsorbed increases, and the adsorption amount of the adsorption element can be increased.

  The invention according to claim 15 of the present invention is an air conditioner characterized in that a reflecting plate is arranged so that the infrared ray emitted from the heating device is reflected on the air conditioner and the reflected infrared ray is applied to the adsorption element. In addition, by more effectively irradiating the adsorption element with the infrared rays emitted from the heating device, the regeneration heat of the adsorption element can be obtained more efficiently.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, for example, corrugated sheets and flat sheets are alternately laminated and rolled up, and a honeycomb structure substrate 1 processed into a circular shape is mixed with zeolite 2 as an adsorbent through a binder 3 such as colloidal silica. As shown in FIG. 2, the adsorbing element thus supported is impregnated with a dispersion solution of manganese dioxide 5 in which anionic surfactant 4 and manganese dioxide 5 and water 6 as an infrared absorbing material are mixed. In order to obtain this dispersion, the mixed liquid of manganese dioxide 5 and anionic surfactant 4 is atomized by a method of atomizing particles such as a ball mill so that the average particle diameter is 0.5 μm or more and 3 μm or less. To do. This is desirable because the manganese dioxide 5 adheres almost without dropping from the zeolite 2 and is large enough to absorb infrared rays.

  Then, the adsorbing element obtained by the impregnation is pulled up, the excess liquid not attached to the adsorbing element is blown off and dried, and manganese dioxide is supported on the adsorbing element. Thus, the adsorption element 7 carrying manganese dioxide is obtained.

  In addition, it is desirable that manganese dioxide 5 as an infrared absorbing material is supported by about 0.01% to 15% with respect to the weight of zeolite 2 as an adsorbent, and does not hinder the adsorption site of zeolite 2. In order to receive heat efficiently from a heating device for supporting the manganese dioxide 5 as an infrared absorbing material on the adsorption element 7 and regenerating the adsorption element 7, the supported weight of the manganese dioxide 5 is 0 with respect to 2 weight of zeolite. It is desirable that the content be from 0.01% to 6%.

  The anionic surfactant 4 is desirably mixed in the dispersion liquid in order to atomize the manganese dioxide 5 and disperse it while preventing reaggregation.

  Further, as shown in FIG. 3, the adsorption element 7 carrying the manganese dioxide prepared as described above in the housing 8, the rotating means 9 such as a gear motor for rotating the adsorption element 7, and the adsorption element 7 are heated. Dehumidifying air conditioner provided with a heating means 10 such as a heater, a heat exchanger 11 for dew condensation for collecting and recovering moisture released by heating, a water tank 12, and a fan 13 for ventilating the adsorption element 7. Get.

  Air is sent to the adsorption element 7 by the fan 13, moisture is adsorbed, and dry air is supplied to the outside of the housing 8. The adsorption element 7 is rotated by the rotating means 9 and warmed by the heating means 10. Moisture is desorbed from the zeolite 2, cooled by the dew condensation heat exchanger 11, becomes water, and is collected in the water tank 12. Further, it is desirable that the infrared light is reflected from the heater of the heating means 10 and is attached to both or one of the reflecting plates 14a and 14b so that the reflected infrared rays are reflected on the adsorption element 7. As the reflecting plate at this time, it is desirable to use aluminum or copper which is preferably a metal material and has excellent infrared reflectivity, and particularly advantageous in terms of cost.

  As the heater of the heating device, it is desirable to select one that matches the absorption wavelength of the infrared absorbing material. In particular, nichrome wire heaters, halogen heaters, and infrared heaters have a slightly lower absorption rate of infrared rays, especially zeolite, and absorb infrared rays. The material is desirable because it can generate near-infrared rays from 0.8 μm to 3 μm that can be absorbed.

(Embodiment 2)
In Embodiment 1, manganese dioxide is used as the infrared absorbing material, but other metal oxides may be used as long as they have infrared absorbing characteristics. For example, iron oxide, for example, triiron tetroxide, is inexpensive and is a black material, and is easy to manufacture because it is easy to grasp the carrying state.

(Embodiment 3)
In the first embodiment, manganese dioxide is used as the infrared absorbing material, but polycarbonate resin may be used. However, a surfactant is not required for dispersion, but the solvent must be a solvent for dispersing the polycarbonate resin. Also, the heating temperature in the heating device needs to be set by the user within a range where the polycarbonate does not burn. However, since polycarbonate resin has high infrared absorption efficiency, heat utilization efficiency can be improved.

(Embodiment 4)
In the first embodiment, the manganese dioxide dispersion is impregnated with the adsorption element. However, the manganese dioxide dispersion may be applied to the ventilation end surface of the adsorption element of the honeycomb structure by roller coating or spraying. Although the effect is lower than that in Embodiment 1 in terms of effective use of heat, it can be easily manufactured, and the cost for drying the dispersion and the cost for the drying equipment can be greatly reduced. In addition, it is desirable to dispose the coating surface on the ventilation end surface in the vicinity of the heating device because it effectively absorbs heat and can transmit the heat of the heating device to the entire adsorption element by propagation.

  As in Embodiment 1, ceramic corrugated sheets and flat sheets were alternately laminated and rolled up, and an adsorbing element in which zeolite was supported as an adsorbent on a circularly processed honeycomb structure was produced. This adsorbing element is impregnated with a dispersion solution of manganese dioxide in which an anionic surfactant, manganese dioxide and water are mixed. In order to obtain this dispersion, the mixture of manganese dioxide and surfactant was atomized by ball milling for 12 hours so that the average particle size was 1.2 μm. (This evaluation was performed using a laser diffraction / scattering particle size distribution measuring apparatus LA-300 manufactured by HORIBA, Ltd., with a relative refractive index of 1.70-0.00i.) The anionic surfactant was a solid. It was dispersed so that the ratio by weight of manganese dioxide was 1% per minute.

  At this time, in order to examine the difference depending on the amount of manganese dioxide supported on the adsorption element, the concentration of the dispersion was changed to 1.5, 2.0, 7.0, 14.0% by weight, and impregnation was performed. Four manganese dioxide adsorbing adsorbing elements were prepared.

  Then, the adsorbing element obtained by the impregnation is pulled up, the excess liquid not attached to the adsorbing element is blown off and dried, and manganese dioxide is supported on the adsorbing element. In this way, an adsorption element carrying manganese dioxide was obtained.

  At this time, the weight of the zeolite was about 60 g, and the supported amount of manganese dioxide was 0.1, 1.2, 5.5, and 17.8%, respectively, with respect to the weight of the zeolite.

  In the same manner as in Example 1, the adsorption element was impregnated with triiron tetroxide as well. The supported amount of triiron tetroxide at this time was 6.4% with respect to the weight of the zeolite.

  The adsorbing elements of Examples 1 and 2 were mounted on the dehumidifying air conditioner shown in Embodiment 1, and the change in moisture absorption capacity before and after supporting manganese dioxide was measured. Note that the measurement condition is that a room of 23 m3 is constantly 20 ° C 60% R.D. H. At this time, the amount of water accumulated in the tank of the dehumidifying air conditioner for a certain time was measured as the dehumidifying amount. A nichrome wire heater was used as the heater of the heating device. The results are shown in Tables 1 and 2. Table 1 is a table showing the amount of manganese dioxide supported in Example 1 of the present invention and the change in dehumidification amount due to the support.

  Table 2 is a table showing the amount of triiron tetroxide supported in Example 2 of the present invention and the change in dehumidification amount due to the support.

  Further, FIG. 4 shows the difference between before and after the loading of the dehumidifying amount due to the difference in the amount of manganese dioxide carried in Example 1.

  From the above results, it was confirmed that the loading of the infrared absorbing material improves the dehumidification amount. Further, it was confirmed that the supported amount was 15% or less with respect to the adsorbent, and preferably 6% or less in the case of manganese dioxide. An adsorbent with good heating efficiency and regeneration efficiency was obtained.

  In an air conditioner equipped with an adsorbing element carrying an adsorbent and heating means for desorbing adsorbed moisture and organic gas, energy saving has been achieved by improving the adsorption / desorption efficiency. An air conditioner with a larger amount of adsorption can be provided.

Schematic of the adsorption element of Embodiment 1 of the present invention Schematic of the manufacturing method of the adsorption element of Embodiment 1 of the present invention Schematic of the dehumidifying device of Embodiment 1 of the present invention The figure which shows the dehumidification amount change by the load and the load of manganese dioxide of the Example of this invention A diagram showing a conventional dehumidifier Detailed view of conventional adsorption element

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Honeycomb structure base material 2 Zeolite 3 Binder 4 Anionic surfactant 5 Manganese dioxide 6 Water 7 Adsorption element 8 Case 9 Rotating means 10 Heating means 11 Condensation heat exchanger 12 Water tank 13 Fan 14a Reflector 14b Reflector DESCRIPTION OF SYMBOLS 101 Adsorption element 102 Element base material 103 Adsorbent 104 Air flow 105 Ventilation fan 106 Dry processing air 107 Rotating means 108 Heating means 109 Regenerated air 110 Heat exchanger 111 Blowing air 112 Condensed water droplet 113 Tank

Claims (15)

An adsorbing element comprising an air-absorbing adsorbing element made of a material including an adsorbent and an infrared absorbing material having an infrared absorption rate higher than that of the adsorbent. The adsorbing element according to claim 1, wherein the adsorbing element has a honeycomb structure having a ventilation structure. The adsorbing element according to claim 1, wherein the adsorbent is zeolite. The adsorption element according to claim 1, wherein the infrared absorbing material is a polycarbonate resin. The adsorption element according to claim 1, wherein the infrared absorbing material is a metal oxide. The adsorption element according to claim 5, wherein the infrared absorbing material is a manganese-based oxide containing at least manganese. 6. The adsorption element according to claim 5, wherein the infrared absorbing material is at least iron oxide. The adsorption element according to claim 1, wherein an infrared absorbing material is applied to a ventilation end surface of the adsorption element. The adsorption element according to any one of claims 1 to 8, wherein the infrared absorbing material has a mean particle size of 0.5 µm or more and 3 µm or less. The adsorptive element according to any one of claims 1 to 9, wherein the weight of the infrared absorbing material is 0.01% to 15% of the weight of the adsorbent. Ball milling the liquid in which the infrared absorbing material is dispersed together with the surfactant, creating an infrared absorbing dispersion liquid, impregnating the adsorbing element with adsorbent added thereto, and supporting the infrared absorbing material in the adsorbing element. The adsorption element according to any one of claims 1 to 10, wherein The adsorbing element according to any one of claims 1 to 11, a ventilation means for venting the adsorbing element, and a heating means for heating the adsorbing element are arranged in a casing, and a nichrome wire heater is used as the heating means. An air conditioner characterized by that. The adsorption element according to any one of claims 1 to 11, a ventilation means for venting the adsorption element, and a heating means for heating the adsorption element are arranged in a housing, and a halogen lamp is used as the heating means. An air conditioner characterized by. The adsorption element according to any one of claims 1 to 11, a ventilation means for venting the adsorption element, and a heating means for heating the adsorption element are arranged in a housing, and an infrared lamp is used as the heating means. An air conditioner characterized by. An air conditioner characterized in that an infrared reflecting material is disposed so as to reflect infrared rays and apply infrared rays to the adsorption element according to any one of claims 1 to 11.

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