JP5547896B2 - CHEMICAL HEAT STORAGE REACTOR AND METHOD FOR PRODUCING CHEMICAL HEAT STORAGE MATERIAL WITH FILTER - Google Patents

Description

  The present invention relates to a chemical heat storage reactor configured to include a chemical heat storage material molded body obtained by molding a chemical heat storage material, and a method for producing a chemical heat storage material molded body with a filter.

  After heating the crystalline limestone having a particle size of 0.3 mm to 4 mm within a range of 850 ° C. to 1100 ° C. for a predetermined time, the limestone is heated within a range of 500 ° C. to 600 ° C. for a predetermined time, so that There is known a technique for obtaining quicklime in which a large number of pores toward the surface are formed (see, for example, Patent Document 1). Moreover, the technique which fills the reactor or reaction tower with the capsule which accommodated the powder chemical thermal storage material in the ratio of 10-60 volume% of internal space is known (for example, refer patent document 2, patent document 3). .

JP-A-1-225686 Japanese Patent Publication No. 6-80395 Japanese Patent Publication No. 6-80394 JP-A-7-332788

  However, as described in Patent Document 1, when quick lime having pores formed therein is used as a chemical heat storage material in a powder form, the hydration reaction and the dehydration reaction are repeated during operation. For this reason, the powder of the chemical heat storage material rubs against other powders by repeated volume expansion and contraction, and is pulverized, resulting in a problem that the reactivity as the heat storage system is lowered. Further, in the configurations of Patent Documents 2 and 3, due to the increase in heat conduction resistance due to the use of capsules and the complexity of the contact path, heat due to the exothermic reaction of the chemical heat storage material cannot be efficiently extracted, and further the heat in the heat storage reaction. There was a problem that could not be supplied efficiently.

  In consideration of the above facts, the present invention can suppress pulverization of a chemical heat storage material molded body, and can secure a heat transfer path to the chemical heat storage material molded body, and a filter. It is an object to obtain a method for producing an attached chemical heat storage material molded body.

The chemical heat storage reactor according to the invention of claim 1 is a chemical containing a powder chemical heat storage material that absorbs heat with dehydration and dissipates heat with a hydration reaction, and a clay mineral mixed with the powder chemical heat storage material. Heat exchange is performed between the heat storage material molded body, the chemical heat storage material molded body in which the chemical heat storage material molded body is disposed, and the chemical heat storage material chamber provided with a water vapor channel for circulating water vapor. The chemical heat storage material molded body disposed in the chemical heat storage material chamber has a flow path through which a heat exchange medium flows, and a surface and a side opposite to the water vapor flow path are in close contact with the inner surface of the chemical heat storage material chamber And a filter having a porous portion having a pore diameter smaller than the particle diameter of the powder chemical heat storage material and allowing passage of water vapor, provided in a portion facing the water vapor flow path in the chemical heat storage material molded body And a section.

  In the chemical heat storage reactor according to claim 1, the chemical heat storage material molded body has a powdered chemical heat storage material dispersed and held in a porous clay mineral skeleton, and as a whole, a powder (chemical heat storage material) A gap (diffusion path) is formed between them, and a porous structure having a predetermined shape as a whole is formed. And this chemical heat storage material molded object carries out dehydration reaction (heat absorption), discharging | emitting water vapor | steam through a water vapor channel, receives supply of water vapor | steam through a water vapor channel, and carries out a hydration reaction (heat radiation). This heat is transmitted through, for example, a partition wall between the chemical heat storage material chamber and the heat exchange medium in the container, a solid heat source in which the container is fixed or integrated, and the like.

  Here, in this chemical heat storage reactor, since the filter part is provided in the part facing the water vapor flow path in the chemical heat storage material molded body, the collapse of the chemical heat storage material molded body due to the expansion and contraction of the chemical heat storage material is suppressed. Is done. Further, even when a part of the chemical heat storage material molded body is dropped (collapsed), the powder chemical heat storage material is scattered in the water vapor flow path by the filter portion whose pore diameter is smaller than the particle diameter of the powder chemical heat storage material. Is prevented or effectively suppressed. Furthermore, since a filter part is unnecessary for parts other than the water vapor flow path (for example, a part in contact with the wall part of the container), heat transfer is not easily inhibited by the filter part.

  Thus, in the chemical heat storage reactor according to claim 1, powdering of the chemical heat storage material molded body can be suppressed, and a heat transfer path to the chemical heat storage material molded body can be secured.

A chemical heat storage reactor according to a second aspect of the present invention is the chemical heat storage reactor according to the first aspect, wherein the filter portion is smaller than the particle diameter of the powder chemical heat storage material and allows a water vapor to flow. A first porous body layer having a pore diameter larger than a particle diameter of the powder chemical heat storage material, which is provided between the first porous body layer and the chemical heat storage material molded body. A body layer , and integrated with the chemical heat storage material molded body and the sintered body .

  In the chemical heat storage reactor according to claim 2, the filter part has a layer structure of two or more layers including the first and second porous body layers. Among these, the 2nd porous body layer located in the most chemical heat storage material molded object side has a larger hole diameter than the particle diameter of a powder chemical heat storage material. For this reason, a part of powder chemical heat storage material and a part of clay mineral enter into the 2nd porous body layer, and the adhesiveness (joining strength) of a filter part and a chemical heat storage material molded object is high. And suppressing the pulverization of the chemical heat storage material while ensuring the entrance and exit of the water vapor by the first porous layer having a pore size smaller than the particle diameter of the powder chemical heat storage material and allowing the flow of water vapor. In addition, the heat transfer path for the chemical heat storage material can be secured by partially installing the filter unit.

  The chemical heat storage reactor according to a third aspect of the present invention is the chemical heat storage reactor according to the second aspect, wherein the first porous body layer and the second porous body layer are made of the same kind of metal material. ing.

  In the chemical heat storage reactor according to the third aspect, the first porous body layer and the second porous body layer made of the same kind of metal material can be easily integrated by, for example, sintering. In particular, in the example in which the first porous body layer and the second porous body layer are made of a metal material that can be sintered at the sintering temperature of the chemical heat storage material molded body, the chemical heat storage material molded body and the filter section The adhesion process can be simplified. On the other hand, in the example where the chemical heat storage material molded body is dried without sintering, the shrinkage of the chemical heat storage material molded body due to drying is suppressed by the adhesion effect to the chemical heat storage material molded body by the second porous body layer described above. can do.

  A chemical heat storage reactor according to a fourth aspect of the present invention is the chemical heat storage reactor according to the second aspect, wherein the first porous body layer and the second porous body layer are made of the same kind of inorganic ribbon fiber material. Configured.

  In the chemical heat storage reactor according to the fourth aspect, the first porous body layer and the second porous body layer made of the same kind of inorganic ribbon fiber material can be easily integrated by, for example, sintering. Moreover, in the example which dries a chemical heat storage material molded object without sintering, the shrinkage | contraction of the chemical heat storage material molded object accompanying drying is suppressed by the contact | adherence effect to the chemical heat storage material molded object by the above-mentioned 2nd porous body layer. can do.

  The method for producing a molded chemical heat storage material with a filter according to the invention of claim 5 is obtained by mixing a powder chemical heat storage material that absorbs heat with a dehydration reaction and dissipates heat with a hydration reaction, and the powder chemical heat storage material. A part of the surface of a chemical heat storage material molded body containing clay mineral, a filter-attached chemical heat storage material molded body provided with a filter part that is smaller than the particle diameter of the powder chemical heat storage material and allows water vapor to flow. 1st process which is a manufacturing method, and mixes and stirs a powder chemical heat storage material and clay mineral with a binder, and stiffens and obtains the mixed heat storage material, and is smaller than the particle diameter of the said powder chemical heat storage material And a first porous material for forming a first porous material layer having a pore size that allows water vapor to flow, and a second porous material layer having a pore size larger than the particle size of the powder chemical heat storage material Layered with a second porous material for constituting A second step of obtaining a composite porous body layer forming a filter portion, the mixed heat storage material thickened in the first step, and the composite porous body layer into the thickened mixed heat storage material; And a third step of setting the thickened mixed heat storage material into a predetermined shape by compression in a mold so that the porous body layer is in contact therewith.

  In the method for producing a chemical heat storage material with a filter according to claim 5, the powder chemical heat storage material and the clay mineral are mixed with a binder (for example, water), stirred (kneaded), and thickened in the first step. A mixed heat storage material is obtained. On the other hand, in the second step, the first porous material constituting the first porous material layer and the second porous material constituting the second porous material layer are laminated to obtain a composite porous material layer. Either the first step or the second step may be performed first, or may be performed simultaneously (in parallel). Next, in the third step, the composite porous layer and the thickened mixed heat storage material are placed in the mold so that the second porous body layer of the composite porous layer faces the thickened mixed heat storage material. And the thickened mixed heat storage material is compression-molded into a predetermined shape. Thereby, the part which comprises the 2nd porous body layer in a composite porous body layer contains the powder chemical heat storage material which comprises a chemical heat storage material molded object, and a part of clay mineral. When the chemical heat storage material molded body is dried or sintered from this state, for example, the filter portion formed of the composite porous body layer is firmly integrated with the chemical heat storage material molded body.

  In the chemical heat storage material molded body with a filter manufactured as described above, the filter portion is provided in the portion facing the water vapor flow path in the chemical heat storage material molded body, so that the collapse due to the expansion and contraction of the chemical heat storage material is suppressed. . Further, even when a part of the chemical heat storage material molded body is dropped (collapsed), the filter portion having the first porous body layer having a pore diameter smaller than the particle diameter of the powder chemical heat storage material and allowing the flow of water vapor. The powder chemical heat storage material is prevented or effectively suppressed from being scattered in the water vapor channel. Furthermore, since a filter part is unnecessary for parts other than the water vapor flow path (for example, a part in contact with the wall part of the container), heat transfer is not easily inhibited by the filter part. The pore diameter of the first porous body layer may be smaller than the particle diameter of the powder chemical heat storage material at the time of completion of production, and it is only necessary to allow the flow of water vapor. The portion constituting the porous body layer may have a pore diameter equal to or larger than the particle diameter of the powder chemical heat storage material.

  Thus, in the manufacturing method of the chemical heat storage material molded body with a filter according to claim 5, pulverization of the chemical heat storage material molded body can be suppressed and a heat transfer path to the chemical heat storage material molded body is ensured. A chemical heat storage material molded body with a filter that can be obtained is obtained.

  The method for producing a chemical heat storage material with filter according to the invention described in claim 6 is the method for producing a chemical heat storage material with filter according to claim 5, wherein in the second step, the first porous body is provided. The first porous material layer is compressed by compressing the first metal material as a raw material and the second metal material as the second porous material made of the same metal as the first metal material. The composite porous body layer in which the constituent part and the part constituting the second porous body layer are laminated is obtained, and the mixed heat storage material formed into a predetermined shape in the third step and the mixed heat storage material It further includes a fourth step of integrally sintering the laminated composite porous body layer.

  In the manufacturing method of the chemical heat storage material with filter according to claim 6, in the second step, the first porous body is formed by compressing the first metal material and the second metal material made of the same metal. A composite porous body layer in which the layer and the second porous body layer are laminated (temporarily integrated) is obtained. Furthermore, the chemical heat storage material molded body compression-molded in the third step is integrally sintered together with the composite porous body layer in the fourth step. Then, the chemical heat storage material molded body itself is solidified by sintering and firmly adhered to the second porous body layer, and the first and second porous body layers are integrated by sintering.

  The method for producing a chemical heat storage material with filter according to the invention described in claim 7 is the method for producing a chemical heat storage material with filter according to claim 5, wherein in the second step, the first porous body is provided. By compressing and sintering the first metal material as a raw material and the second metal material as the second porous material made of the same metal as the first metal material, the first metal material is compressed. Obtaining the composite porous body layer in which a part constituting the porous body layer and a part constituting the second porous body layer are fixedly laminated, and the mixed heat storage formed into a predetermined shape in the third step A fourth step of drying the material together with the composite porous body layer laminated on the mixed heat storage material is further included.

  In the manufacturing method of the chemical heat storage material with a filter according to claim 7, in the second step, the first metal material and the second metal material made of the same kind of metal are compressed and sintered. A composite porous body layer in which the porous body layer and the second porous body layer are firmly laminated (integrated) is obtained. Furthermore, the chemical heat storage material molded body compression-molded in the third step is dried together with the composite porous body layer in the fourth step. Then, the chemical heat storage material molded body itself is solidified and firmly adhered to the second porous body layer. At this time, the shrinkage of the chemical heat storage material molded body is suppressed by the filter portion formed of the composite porous body layer, and the deformation of the chemical heat storage material molded body during manufacturing is suppressed.

  The method for producing a chemical heat storage material with filter according to an invention according to claim 8 is the method for producing a chemical heat storage material with filter according to claim 5, wherein in the second step, the first porous body is provided. A first inorganic ribbon-like fiber material as a raw material, and a second inorganic ribbon-like fiber material as the second porous material comprising the same inorganic ribbon-like fiber material as the first inorganic ribbon-like fiber material, By compressing and sintering the composite porous body layer in which the portion constituting the first porous body layer and the portion constituting the second porous body layer are fixedly laminated, It further includes a fourth step of drying the mixed heat storage material formed into a predetermined shape in the third step together with the composite porous body layer laminated on the mixed heat storage material.

  In the manufacturing method of the chemical heat storage material with a filter according to claim 8, in the second step, the second inorganic ribbon-like fiber material comprising the same inorganic ribbon-like fiber material as the first inorganic ribbon-like fiber material; Is compressed and sintered to obtain a composite porous body layer in which the first porous body layer and the second porous body layer are firmly laminated (integrated). Furthermore, the chemical heat storage material molded body compression-molded in the third step is dried together with the composite porous body layer in the fourth step. Then, the chemical heat storage material molded body itself is solidified and firmly adhered to the second porous body layer. At this time, the shrinkage of the chemical heat storage material molded body is suppressed by the filter portion formed of the composite porous body layer, and the deformation of the chemical heat storage material molded body during manufacturing is suppressed.

  As described above, the chemical heat storage material molded body with a filter manufactured by the chemical heat storage reactor according to the present invention and the method for manufacturing a chemical heat storage material molded body with a filter suppresses pulverization of the chemical heat storage material molded body. And a heat transfer path for the chemical heat storage material molded body can be secured.

It is a perspective view showing a schematic structure of a heat exchange type heat storage and heat dissipation apparatus according to the first embodiment of the present invention. It is a schematic diagram which shows the process A-the process F among the manufacturing methods of the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 1st Embodiment of this invention. It is a schematic diagram which shows process G and a completion figure among the manufacturing methods of the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 1st Embodiment of this invention. It is sectional drawing which expands and shows a part of chemical heat storage material molded body with a filter which comprises the heat exchange type | mold heat storage and heat radiation apparatus which concerns on the 1st Embodiment of this invention. It is sectional drawing which shows typically the internal structure of the chemical heat storage material composite molded object which comprises the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 1st Embodiment of this invention. It is a perspective view which shows schematic structure of the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 2nd Embodiment of this invention. It is a schematic diagram which shows the process A-the process F among the manufacturing methods of the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 2nd Embodiment of this invention. It is a schematic diagram which shows process G and a completion figure among the manufacturing methods of the heat exchange type | formula heat storage and heat dissipation apparatus which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows schematic structure of the heat exchange type | formula thermal storage heat dissipation apparatus which concerns on the 3rd Embodiment of this invention. It is a schematic diagram which shows the process A-the process F among the manufacturing methods of the heat exchange type | mold thermal storage heat dissipation apparatus which concerns on the 3rd Embodiment of this invention. It is a schematic diagram which shows process G and a completion figure among the manufacturing methods of the heat exchange type | formula thermal storage heat dissipation apparatus which concerns on the 3rd Embodiment of this invention. It is a perspective view which shows schematic structure of the heat exchange type | formula thermal storage heat dissipation apparatus which concerns on the modification of embodiment of this invention.

  A heat exchange type heat storage and heat dissipation device 10 as a chemical heat storage reactor according to a first embodiment of the present invention and a manufacturing method thereof will be described with reference to FIGS.

  FIG. 1 is a schematic perspective view showing a schematic configuration of a heat exchange type heat storage and heat dissipation device 10. As shown in this figure, the heat exchange type heat storage and heat dissipation device 10 includes a heat exchanger body 18 as a container and a chemical heat storage material composite molded body 11 provided in the heat exchanger body 18. The heat exchanger body 18 includes a shell (outer wall) 20 and a partition wall 22 as a wall body that divides the inside of the shell 20 into a plurality of spaces.

  Thereby, the inside of the heat exchanger main body 18 is between the heat storage material accommodating part 24 as a chemical heat storage material chamber in which the chemical heat storage material composite formed body 11 is stored, and the chemical heat storage material composite formed body 11. Fluid flow paths 26 through which a fluid as a heat exchange medium for performing heat exchange circulates alternately with the partition wall 22 interposed therebetween.

  In this embodiment, the heat storage material accommodating portion 24 and the fluid flow path 26 are each a prismatic space having a flat rectangular opening end in which the partition wall 22 is a long side. In this embodiment, the heat exchanger main body 18 is configured such that the heat storage material accommodating portion 24 and the fluid flow path 26 are adjacent to each other in the flat direction of the cross section, and the fluid flow paths 26 are disposed at both ends in the adjacent direction. Yes. In this embodiment, the heat exchanger body 18 is made of a metal material such as stainless steel or aluminum (including an aluminum alloy).

  As shown in FIG. 1, the chemical heat storage material composite molded body 11 is disposed two by two facing each heat storage material accommodating portion 24 in the flat direction. In the heat exchange type heat storage / heat dissipating device 10, a portion between the pair of chemical heat storage material composite molded bodies 11 disposed in the heat storage material accommodation portion 24 in the space in the heat storage material accommodation portion 24 is the water vapor flow path 28. Yes. Each chemical heat storage material composite molded body 11 has a surface opposite to the water vapor channel 28 in close contact (contact) with the partition wall 22 and a side surface (thickness portion) in close contact (contact) with the inner surface of the shell 20. Yes.

  The chemical heat storage material composite molded body 11 constituting the heat exchange type heat storage and heat dissipation device 10 is provided with a filter unit 30 on the surface facing the water vapor flow path 28. As shown in a partially enlarged view in FIG. 3, the filter unit 30 has a two-layer structure of a first porous body layer 32 and a second porous body layer 34. In this embodiment, the first porous body layer 32 is located on the opposite side to the chemical heat storage material composite molded body 11 with the second porous body layer 34 interposed therebetween. That is, the filter part 30 is joined to the chemical heat storage material composite molded body 11 in the second porous body layer 34. This will be specifically described below.

  First, the chemical heat storage material composite molded body 11 will be supplemented. FIG. 4 shows a schematic cross-sectional view of the chemical heat storage material composite molded body 11. As shown in this figure, the chemical heat storage material composite molded body 11 is a structure in which a large number of powder chemical heat storage materials 12 are organized and structured. A pore 14 is formed. Therefore, the chemical heat storage material composite formed body 11 according to this embodiment is configured as a porous structure (porous body) and the powder chemical heat storage material 12 is exposed on the inner surfaces of the pores 14. It is grasped as a thing.

  In this chemical heat storage material composite molded body 11, sepiolite 16, which is a clay mineral, is interposed between a large number of powder chemical heat storage materials 12 so as to be entangled with a large number of powder chemical heat storage materials 12. In other words, the chemical heat storage material composite molded body 11 is grasped as a structure in which a large number of powder chemical heat storage materials 12 are dispersedly held in the skeleton of the sepiolite 16 that is porous. Thereby, in the chemical heat storage material composite molded body 11, the structure as a porous structure in which pores 14 are formed between a large number of powder chemical heat storage materials 12 is held (reinforced) by the sepiolite 16. ing.

In this embodiment, the powder chemical heat storage material 12 is made of calcium hydroxide (Ca (OH) ₂ ), stores heat (absorbs heat) along with dehydration, and accompanies hydration (restoration to calcium hydroxide). Heat dissipation (heat generation). That is, a large number of powder chemical heat storage materials 12 are configured to reversibly repeat heat storage and heat release by the reactions shown below. Ca (OH) ₂ Ｃａ CaO + H ₂ O

When the heat storage amount and the heat generation amount Q are shown together in this equation,
Ca (OH) ₂ + Q → CaO + H ₂ O
CaO + H ₂ O → Ca (OH) ₂ + Q
It becomes.

Sepiolite 16 is grasped as a clay mineral having a layered ribbon structure, more specifically, one of clay minerals in which a plurality of single chains resembling pyroxene are combined to form a tetrahedral ribbon. Sepiolite 16 is a hydrous magnesium silicate that can be represented by the chemical formula Mg ₈ Si ₁₂ O ₃₀ (OH) ₄ (OH ₂ ) ₄ · 8H ₂ O, for example, and is itself porous and has a specific surface area. Made of large fibers. In this embodiment, variants of those represented by the above chemical formula are also included in the sepiolite 16.

  In this embodiment, the powder chemical heat storage material 12 is, for example, one having an average particle diameter D≈10 μm (laser diffraction measurement method, SALD-2000A manufactured by Shimadzu Corporation), and the sepiolite 16 is water. A fiber in which the fiber diameter when suspended is smaller than the average particle diameter D of the powder chemical heat storage material 12 is used. Specifically, it is desirable to use sepiolite 16 having a wire diameter (fiber diameter) of approximately 1 μm or less and a length (fiber length) of approximately 200 μm or less. In this embodiment, Turkish sepiolite having a wire diameter of about 0.01 μm and a length of about several tens of μm is used. Instead of Turkish sepiolite, for example, Spanish sepiolite having a wire diameter of approximately 0.1 μm and a length of approximately 100 μm can be used. Moreover, in this embodiment, the mixing ratio of the sepiolite 16 with respect to the powder chemical heat storage material 12 is about 5-10 mass%, for example.

  And in the filter part 30 closely_contact | adhered (adhered) to the chemical heat storage material composite molded object 11 of the said structure, the 1st porous body layer 32 sets the hole diameter small with respect to the 2nd porous body layer 34. FIG. Specifically, the first porous body layer 32 is set so that the average pore diameter is smaller than the average particle diameter of the powder chemical heat storage material 12 and does not hinder the flow of water vapor (in and out in the thickness direction). Has been. On the other hand, the average particle size of the second porous body layer 34 is larger than the average particle size of the powder chemical heat storage material 12.

  As described above, the wire diameter of the sepiolite 16 is smaller than the average particle diameter of the powder chemical heat storage material 12, and the sepiolite 16 enters the second porous layer 34 together with the powder chemical heat storage material 12 into the pores. Yes. In this embodiment, the first porous body layer 32 and the second porous body layer 34 are made of copper (alloy having copper as a main component), which is the same kind of metal, and enter into the second porous body layer 34 to store powder chemical heat. The material 12 and the sepiolite 16 are fixedly bonded to the chemical heat storage material composite molded body 11.

  Next, the operation of the heat exchange type heat storage and heat dissipation device 10 will be described.

  When heat is stored in the chemical heat storage material composite molded body 11 of the heat exchange type heat storage and heat dissipation device 10, a heat medium from a heat source is circulated through the fluid flow path 26. Then, the chemical heat storage material composite formed body 11 undergoes a dehydration reaction due to heat from the heat medium, and this heat is stored in the chemical heat storage material composite formed body 11. At this time, the water vapor dehydrated from the chemical heat storage material composite molded body 11 is discharged through the filter unit 30 and the water vapor channel 28.

  On the other hand, when radiating the heat stored in the heat exchange type heat storage and heat dissipation device 10, the heat exchange type heat storage and heat dissipation device 10 is configured such that water vapor from an evaporator (not shown) passes through the water vapor flow path 28. 10 is supplied to the pores 14 in the chemical heat storage material composite molded body 11. Thereby, the powder chemical heat storage material 12 constituting the chemical heat storage material composite molded body 11 dissipates heat while causing a hydration reaction. This heat is transported to the object to be heated by the heat transport medium flowing through the fluid flow path 26 and is used for heating the object to be heated.

  Next, a manufacturing method of the heat exchange type heat storage and heat dissipation device 10 will be described.

  FIG. 2 schematically shows a method for manufacturing the heat exchange type heat storage and heat dissipation device 10. In manufacturing the heat exchange type heat storage / heat dissipating device 10, first, the powder chemical heat storage material 12 which is the raw material in the process A which is the material preparation step on the chemical heat storage material composite molded body 11 side shown in FIG. 2A. Sepiolite 16 and water W as a binder are prepared. Next, in Step B, which is a mixing and stirring step, the powder chemical heat storage material 12, sepiolite 16 and water are mixed and stirred (kneaded) in the mixing and stirring vessel 36. Thereby, the mixed heat storage material 38 thickened so that a shape can be hold | maintained is obtained.

  On the other hand, in the process C which is the material preparation process on the filter unit 30 side shown in FIG. 2A, the first porous material, the copper powder 40 as the first metal material, and the second porous material, A flat copper foam 42 as the metal material 2 is prepared. The copper powder 40 having an average particle diameter of about 100 to 200 μm was used. Instead of the copper powder 40, copper fibers having an average wire diameter of approximately 100 to 200 μm may be used. Further, the copper foam 42 having an average pore diameter larger than the average particle diameter of the powder chemical heat storage material 12 is used. In this embodiment, a copper foam 42 having an average pore diameter of approximately 300 to 600 μm was used. The average particle diameter of the copper powder 40 and the average pore diameter of the copper foam 42 are approximately 5 to 10 μm in the average pore diameter of the first porous layer 32 after the compression process and the sintering process described later, and the second porous layer. The average pore diameter of 34 is adjusted to be approximately 50 to 100 μm.

  Next, in step D, which is a filter compression step, the copper foam 42 and the copper powder 40 are set in this order in a mold (not shown), and the copper foam 42 and the copper powder 40 are compressed in the thickness direction. Thereby, the porous plate 44 for filters integrated temporarily is formed. At this stage, the process D is performed so that the filter porous plate 44 has the first porous body layer 32 formed of a large number of copper powders 40 and the second porous body layer 34 made of the copper foam 42. The order of execution of the processes C and D with respect to the processes A and B is not limited.

  Then, in step E, which is a molding step, compression molding of a predetermined shape (substantially rectangular flat plate in this embodiment) using the mixed heat storage material 38 obtained in step B and the filter porous plate 44 obtained in step D. A body 46 is formed. Specifically, the mixed heat storage material 38 is set in a mold (not shown) (mold different from that used in the step D), and the filter porous plate 44 is placed on the mixed heat storage material 38 in the mold. The compression molded body 46 is obtained by carrying out compression molding. By this compression molding, a part of the mixed heat storage material 38, that is, the powder chemical heat storage material 12 and the sepiolite 16 penetrates (enters) into the pores of the second porous layer 34 of the filter porous plate 44.

  Furthermore, in step F, which is a sintering step, the compression molded body 46 is set in the sintering furnace Fs, and the compression molded body 46 is sintered, so that the chemical heat storage material composite molded body 11 and the filter unit 30 are A filter-added chemical heat storage material molded body 48 is obtained, which is a sintered body integrated with the. In the chemical heat storage material molded body with filter 48, the chemical heat storage material composite molded body 11 is solidified, and the first porous body layer 32 and the second porous body layer 34 are fixed. And the chemical heat storage material composite molded body 11 and the filter part 30 are solidified by solidifying the mixture of the powder chemical heat storage material 12 and the sepiolite 16 that have entered the pores of the second porous body layer 34. It is in close contact.

  In this embodiment, the sintering temperature in the process F was set to about 600 ° C. This is equal to or higher than the dehydration temperature of the powder chemical heat storage material 12, that is, calcium hydroxide (dehydration temperature varies depending on the atmospheric water vapor pressure, but approximately 400 ° C. to 450 ° C.) and is close to the lower limit at which copper can be sintered. It is set as temperature. For this reason, the chemical heat storage material composite formed body 11 of the filter-attached chemical heat storage material formed body 48 is made of calcium oxide (CaO) at the time of manufacture, and is in a heat storage state in which heat can be dissipated by supplying moisture (water vapor). ing.

  Here, although the sintering temperature of copper is usually 850 to 900 ° C., the sintered filter part 30 is required to have high strength (strength exceeding the adhesion strength with the chemical heat storage material composite molded body). In consideration of not being performed and suppressing deterioration of the chemical heat storage material composite molded body 11 due to sintering due to sintering at a high temperature, it is preferable to sinter the compression molded body 46 at 700 ° C. or lower. In this embodiment, the above-described sintering temperature is employed. In order to ensure the sintering of the first porous body layer 32 and the second porous body layer 34 at this sintering temperature, the compression molded body 46 was slowly sintered with a sintering time of approximately 1 to 3 hours.

  And in the process G which is an assembly | attachment process shown by FIGS. 2-2, a pair of chemical heat storage material molded body 48 with a filter will face the filter part 30 in each heat storage material accommodating part 24 of the heat exchanger main body 18. FIG. In addition, the filter-added chemical heat storage material molded body 48 is loaded (set) in the heat storage material storage portion 24 and fixed, whereby the manufacture of the heat exchange type heat storage and heat dissipation device 10 is completed. The chemical heat storage material composite formed body 11 of the chemical heat storage material formed body 48 with a filter has a surface excluding the surface to which the filter unit 30 is closely attached and the end surface facing the open end of the heat storage material accommodation unit 24, the inner surface of the shell 20, the partition wall In a state of being in contact with (contacted with) 22, it is fixed to the heat exchanger body 18 by adhesion, a mechanical coupling structure or the like.

  Here, in the heat exchange type heat storage and heat dissipation device 10, the filter unit 30 is provided over substantially the entire surface of the chemical heat storage material composite molded body 11 facing the water vapor channel 28. Even if the expansion and contraction are repeated with the repetition of the above, the collapse of the chemical heat storage material composite molded body 11 is prevented or effectively suppressed. In addition, even if a part of the chemical heat storage material composite molded body 11 collapses, the collapsed part (which is further pulverized) is scattered in the water vapor flow path 28, so that the first of the filter unit 30. It is prevented or effectively suppressed by the porous body layer 32. And in the heat exchange type heat storage and heat dissipation device 10, the chemical heat storage material composite molded body 11 is collapsed while ensuring the reactivity of the chemical heat storage material composite molded body 11 by the filter unit 30 that allows the circulation of water vapor. It is possible to obtain an effect (hereinafter referred to as “filter effect”) that prevents the powder chemical heat storage material 12 from being scattered and prevented from scattering into the water vapor channel 28.

  Moreover, in the heat exchange type heat storage / heat dissipating device 10, the filter part 30 is provided only in the portion facing the water vapor flow path 28 in the chemical heat storage material composite molded body 11, so the chemical heat storage material composite molded body 11 and the fluid A heat transfer path with the heat exchange medium flowing through the flow path 26 is secured. For example, in a configuration in which a large number of capsules filled with the powder chemical heat storage material 12 are stored in the heat storage material storage unit 24, the thermal resistance between the capsules is large, and heat transfer regulation tends to occur. On the other hand, in the heat exchange type heat storage and heat dissipation device 10, the filter unit 30 does not increase the thermal resistance, and good heat transfer properties (low thermal resistance) are obtained.

  In the heat exchange type heat storage / heat dissipating device 10, the filter portion 30 has a pore size smaller than the average particle size of the powder chemical heat storage material 12 and allows the water vapor to flow, and the powder chemistry. The heat storage material 12 has a two-layer structure including a second porous body layer 34 having a pore diameter larger than the average particle diameter. For this reason, the first porous body layer 32 for obtaining the above filter effect is firmly adhered to the first porous body layer 34 through the second porous body layer 34 in which the mixture of the powder chemical heat storage material 12 and the sepiolite 16 is introduced into the pores. Can be made.

  Further, in the heat exchange type heat storage / heat dissipating device 10, since the filter part 30 is firmly adhered to the chemical heat storage material composite molded body 11 as described above, the expansion of the chemical heat storage material composite molded body 11 by the filter part 30, Shrinkage itself is suppressed (the amount of expansion and contraction is kept small), and a higher filter effect can be obtained.

  As described above, the heat exchange type heat storage and heat dissipation device 10 according to the first embodiment, that is, the heat exchange type heat storage material configured to include the filter-equipped chemical heat storage material molded body 48 manufactured by the manufacturing method shown in FIG. The heat dissipation device 10 can suppress powdering of the chemical heat storage material composite molded body 11 and can secure a heat transfer path to the chemical heat storage material composite molded body 11.

  Next, another embodiment of the present invention will be described. Note that parts and portions that are basically the same as those in the first embodiment or the previous configuration are denoted by the same reference numerals as those in the first embodiment or the previous configuration, and the description thereof is omitted. May be omitted.

(Second Embodiment)
FIG. 5 is a schematic perspective view showing a schematic configuration of a heat exchange type heat storage and heat dissipation device 50 according to the second embodiment of the present invention. As shown in this figure, the heat exchange type heat storage / heat dissipating device 50 is provided with a chemical heat storage material molded body 52 with a filter instead of the chemical heat storage material molded body 48 with a filter. It differs from the heat exchange type heat storage and heat dissipation device 10 according to the embodiment.

  The filter-containing chemical heat storage material molded body 52 constituting the heat exchange type heat storage and heat dissipation device 50 is a filter constituting the heat exchange type heat storage and heat dissipation device 10 in that the filter part 30 is made of stainless steel instead of copper. It differs from the attached chemical heat storage material molded body 48. Hereinafter, the structure of the heat exchange type heat storage and heat dissipation device 50 (chemical heat storage material with filter 52) will be described together with the manufacturing method of the heat exchange type heat storage and heat dissipation device 50. In addition, description is abbreviate | omitted or simplified about the part which is common in the manufacturing method of the heat exchange type heat storage and heat dissipation apparatus 10 in the manufacturing method of the heat exchange type heat storage and heat dissipation apparatus 50.

  FIG. 6 schematically shows a method for manufacturing the heat exchange type heat storage and heat dissipation device 50. In manufacturing the heat exchange type heat storage and heat dissipation device 50, the first porous material and the stainless metal mesh as the first metal material in the process C which is the material preparation process on the filter part 30 side shown in FIG. Several sheets 54, a flat porous foam 56 as a second porous material and a second metal material are prepared. The stainless wire mesh 54 is overlapped in the thickness direction and crushed in the process D, which is a swaging process, to obtain a wire mesh laminate 58. In the metal mesh laminate 58, the mesh of the stainless steel mesh 54, the number of overlapping layers, and the swaging amount are adjusted so that the opening of the mesh is 10 to 30 μm.

  As the stainless steel foam 56, one having an average pore diameter of about 300 to 600 μm was used. The average pore diameter of these wire mesh laminates 58 (the meshes of the stainless steel mesh 54, the number of layers, the amount of swaging) and the average pore diameter of the stainless steel foam 56 are the same as those of the first porous body layer 32 after the compression step and the sintering step described later. The average pore diameter is adjusted to be approximately 5 to 10 μm, and the average pore diameter of the second porous body layer 34 is adjusted to be approximately 50 to 100 μm.

  Next, in step E, which is a filter compression step, the stainless steel foam 56 and the wire mesh laminate 58 are set in this order in a mold (not shown), and the stainless steel foam 56 and the wire mesh laminate 58 are compressed in the thickness direction. Thereby, the porous plate 60 for filters integrated integrally is formed. Further, in step F, which is positive for sintering, the filter porous plate 60 is set in the sintering furnace Fs, and the filter porous plate 60 is sintered at a sintering temperature of approximately 1200 ° C. As a result, a filter sintered body 62 is obtained in which the first porous body layer 32 made of the wire mesh laminate 58 and the second porous body layer 34 made of the stainless steel foam 56 are firmly integrated.

  In step G, which is a molding step, compression of a predetermined shape (substantially rectangular flat plate in this embodiment) is performed using the mixed heat storage material 38 obtained in step A and step B and the filter sintered body 62 obtained in step F. Formed body 64 is formed. Specifically, the mixed heat storage material 38 is set in a mold (not shown) (mold different from that used in the step E), and the filter porous plate 60 is placed on the mixed heat storage material 38 in the mold. The compression molded body 64 is obtained by carrying out compression molding. By this compression molding, a part of the mixed heat storage material 38, that is, the powder chemical heat storage material 12 and the sepiolite 16 enter the pores of the second porous layer 34 of the filter sintered body 62.

  Next, in step H, which is an assembling step shown in FIG. 6B, the heat storage material so that the pair of compression molded bodies 64 face the filter unit 30 in each heat storage material accommodation portion 24 of the heat exchanger body 18. The compression molded body 64 is loaded (set) in the accommodating portion 24. In this state, the compression molded body 64 is formed on the surface of the mixed heat storage material 38 (chemical heat storage material composite molded body 11) (filter sintered body 62) where the filter unit 30 is in close contact and the open end of the heat storage material storage unit 24. The surface excluding the facing end face is in close contact with the shell 20 and the partition wall 22 of the heat exchanger body 18.

  Then, in Step I, which is a drying step, the heat exchanger body 18 loaded with the compression molded body 64 is set in the drying furnace Fd, and the compression molded body 64 (mixing of the compression molded bodies 64 in the heat exchanger body 18 is mixed). The portion of the heat storage material 38) is dried, and the manufacture of the heat exchange type heat storage and heat dissipation device 50 is completed. The structure in which the chemical heat storage material composite molded body 11 and the filter unit 30 located in the heat storage material accommodating portion 24 of the heat exchanger body 18 in the heat exchange type heat storage and heat dissipation device 50 are in close contact with each other is the above-described chemical with filter. The heat storage material molded body 52 is used. If necessary, the chemical heat storage material with filter 52 is held in the heat exchanger main body 18 by, for example, an adhesive solidified in a drying process or by a mechanical holding structure.

Note that the drying temperature in the drying step in this embodiment is approximately 110 ° C. For this reason, the chemical heat storage material composite formed body 11 of the filter-attached chemical heat storage material formed body 52 is made of stable calcium hydroxide (Ca (OH) ₂ ) that does not easily react with moisture at the time of manufacture.

  In the heat exchange type heat storage and heat dissipation device 50 described above, the filter unit 30 is provided over substantially the entire surface facing the water vapor channel 28 in the chemical heat storage material composite molded body 11. For this reason, in the heat exchange type heat storage and heat dissipation device 50, similarly to the heat exchange type heat storage and heat dissipation device 10, the filter effect by the filter unit 30, the low thermal resistance by partial installation of the filter unit 30, and the two-layer porous body of the filter unit 30 Each of the functions and effects such as the strong adhesion between the chemical heat storage material composite molded body 11 and the filter portion 30 due to the structure and the realization of a higher filter effect due to the strong adhesion are satisfactorily achieved.

  Moreover, in the manufacturing method of the heat exchange type heat storage and heat dissipation device 50, more specifically, the chemical heat storage material with filter 52 formed in the heat exchange type heat storage and heat dissipation device 50, a drying step of drying the mixed heat storage material 38 is included. By this drying, the chemical heat storage material composite formed body 11 made of the mixed heat storage material 38 contracts. Here, in the manufacturing method of the chemical heat storage material with filter 52, the powder chemical heat storage material 12 and the sepiolite 16 of the mixed heat storage material 38 have penetrated (entered) into the pores of the second porous layer 34 of the filter unit 30. In this state, the compression molded body 64 is dried, so that the filter unit 30 is firmly adhered to the mixed heat storage material 38 as the drying process proceeds. For this reason, in the heat exchange type heat storage and heat dissipation device 50, the deformation of the chemical heat storage material composite molded body 11 due to the uneven shrinkage during drying is suppressed.

  Moreover, in the heat exchange type heat storage and heat dissipation device 50, since the first porous body layer 32 is formed by adjusting the stainless wire mesh 54 and swaging, the hole diameter can be easily adjusted and the thickness direction can be adjusted. A hole penetrating linearly can be obtained. For this reason, the first porous body layer 32 in the heat exchange type heat storage and heat dissipation device 50 can reduce the flow resistance of water vapor.

(Third embodiment)
FIG. 7 is a schematic perspective view showing a schematic configuration of a heat exchange type heat storage and heat dissipation device 70 according to the third embodiment of the present invention. As shown in this figure, the heat exchange type heat storage / heat dissipating device 70 is provided with a chemical heat storage material molded body 72 with a filter instead of the chemical heat storage material molded body 48 with a filter. It is different from the heat exchange heat storage and heat dissipation device 50 according to the embodiment.

  The chemical heat storage material molded body 72 with a filter constituting the heat exchange type heat storage and heat dissipation device 70 is that the filter unit 30 is made of a fiber material on an inorganic ribbon instead of a metal material. , 50 are different from the filter-equipped chemical heat storage material molded bodies 48 and 52. Hereinafter, the structure of the heat exchange type heat storage and heat dissipation device 70 (chemical heat storage material with filter 72) will be described together with the manufacturing method of the heat exchange type heat storage and heat dissipation device 70. Note that the description of the part common to the method of manufacturing the heat exchange type heat storage and heat dissipation device 50 in the method of manufacturing the heat exchange type heat storage and heat dissipation device 70 is omitted or simplified.

  FIG. 8 schematically shows a method for manufacturing the heat exchange type heat storage and heat dissipation device 70. In manufacturing the heat exchange type heat storage and heat dissipation device 70, as the first porous material and the first inorganic ribbon fiber material in the process C which is the material preparation process on the filter part 30 side shown in FIG. A flat ceramic porous plate 76 as a silica powder 74, a second porous material, and a second inorganic ribbon fiber material is prepared. The average particle size of the silica powder 74 and the average pore size of the ceramic porous plate 76 are such that the average pore size of the first porous layer 32 after the compression step and the sintering step, which will be described later, is approximately 5 to 10 μm. The average pore diameter is adjusted to be approximately 50 to 100 μm.

  Next, in step D, which is a filter compression step, the ceramic porous plate 76 and the silica powder 74 are set in this order in a mold (not shown), and the ceramic porous plate 76 and the silica powder 74 are compressed in the thickness direction. Thereby, the porous plate 78 for filters integrated integrally is formed. Further, in step E, which is positive for sintering, the filter porous plate 60 is set in a sintering furnace (not shown), and the filter porous plate 78 is sintered at a sintering temperature of approximately 1200 ° C. As a result, a filter sintered body 80 is obtained in which the first porous body layer 32 made of a sintered body of silica powder 74 and the second porous body layer 34 made of a ceramic porous plate 76 are firmly integrated.

  In the process F, which is a molding process, using the mixed heat storage material 38 obtained in the process A and the process B and the filter sintered body 80 obtained in the process F, a predetermined process is performed in the same manner as in the process G of the second embodiment. A compression molded body 82 having a shape (in this embodiment, a substantially rectangular flat plate shape) is formed. Further, in step G, which is the assembling step shown in FIG. 8B, the compression molded body 82 is loaded (set) in the heat storage material accommodating portion 24 in the same manner as in step H of the second embodiment.

  Then, in step H, which is a drying step, in the same manner as in step I of the second embodiment, the compression molded body 82 in the heat exchanger main body 18 (the portion made of the mixed heat storage material 38) is dried and heated. The manufacture of the exchange-type heat storage and heat dissipation device 70 is completed. The structure in which the chemical heat storage material composite molded body 11 and the filter unit 30 located in the heat storage material accommodating portion 24 of the heat exchanger main body 18 in the heat exchange type heat storage and heat dissipation device 70 are in close contact with each other is the above-described chemical with filter. The heat storage material molded body 72 is used.

  As described above, the filter-equipped chemical heat storage material molded body 72 constituting the heat exchange type heat storage and heat dissipation device 70 is mainly formed of a filter chemical heat storage material formed by the material of the filter unit 30 constituting the heat exchange type heat storage and heat dissipation device 50. Unlike the body 52, there is no part of the process (swaging process) due to this, but the other points are the same as the heat exchange heat storage and heat dissipation device 50 according to the second embodiment in both configuration and manufacturing method. .

  Therefore, the heat exchange heat storage and heat dissipation device 70 according to the third embodiment also basically performs the heat exchange according to the second embodiment, except for the effect obtained by using the stainless wire mesh 54 as the first porous material. The same effect can be obtained by the same operation as the mold heat storage and heat dissipation device 50.

  In the above-described embodiment, an example in which sepiolite as a clay mineral having a layer ribbon structure is used as the clay mineral is shown. However, the present invention is not limited thereto, and for example, a clay mineral having a layer ribbon structure is used. Palygorskite (attapulgite) or kaolinite may be used, and bentonite that does not belong to the clay mineral having a layered ribbon structure may be used.

In the above-described embodiment, an example in which calcium hydroxide (Ca (OH) ₂ ), which is a hydrated chemical heat storage material, is used as the powder chemical heat storage material 12, but the present invention is not limited thereto. For example, magnesium hydroxide (Mg (OH) ₂ ), which is an inorganic compound of an alkaline earth metal, may be used as the powder chemical heat storage material 12. Similarly, Ba (OH) ₂ and Ba (OH) ₂ .H ₂ O, which are inorganic compounds of alkaline earth metals, may be used as the powder chemical heat storage material 12 and are inorganic compounds other than alkaline earth metals. LiOH.H ₂ O, Al ₂ O ₃ .3H ₂ O, or the like may be used as the powder chemical heat storage material 12.

  Furthermore, in each above-mentioned embodiment, although the opening direction of the thermal storage material accommodating part 24 and the fluid flow path 26 in the heat exchanger main body 18 has illustrated the structure of the opposite flow or parallel flow type, for example, FIG. As shown in FIG. 2, the heat exchange type heat storage and heat dissipation devices 10, 50, and 70 may be configured using a cross flow type heat exchanger body 18.

  Furthermore, in each of the above-described embodiments, the example in which the filter unit 30 has a two-layer structure has been shown. However, the present invention is not limited to this, and for example, the first porous layer 32 and the second porous layer 34 A multilayer structure in which an intermediate layer is provided between them may be used.

10 Heat exchange type heat storage and heat dissipation device (chemical heat storage material reactor)
11 Chemical heat storage material composite molded body (Chemical heat storage material molded body)
12 Powder chemical heat storage material 16 Sepiolite (clay mineral)
18 Heat exchanger body (container)
24 Heat storage material storage (Chemical heat storage material room)
28 Water vapor flow path 30 Filter part 32 1st porous body layer 34 2nd porous body layer 38 Mixed heat storage material 40 Copper powder (1st porous body raw material, 1st metal material)
42 Copper foam (second porous material, second metal material)
44 Porous plate for filter (composite porous body layer)
48 Chemical Heat Storage Material Molded Body with Filter 50/70 Heat Exchange Type Thermal Storage Heat Dissipator 52/72 Chemical Heat Storage Material Molded Body with Filter 54 Stainless Steel Wire Mesh (First Porous Material, First Metal Material)
56 Stainless steel foam (second porous material, second metal material)
60 Perforated plate for filters (composite porous layer)
62 Filter sintered body (composite porous body layer)
74 Silica powder (first porous material, first inorganic ribbon fiber material)
76 Ceramic porous plate (second porous material, second inorganic ribbon fiber material)
78 Perforated plate for filter (composite porous body layer)

Claims (8)

A chemical heat storage material molded body comprising a powder chemical heat storage material that absorbs heat with a dehydration reaction and dissipates heat with a hydration reaction, and a clay mineral mixed with the powder chemical heat storage material,
The chemical heat storage material molded body is disposed and a chemical heat storage material chamber provided with a steam channel for circulating water vapor and a heat exchange medium for exchanging heat between the chemical heat storage material molded body are distributed. A container having a flow path, and a surface and a side opposite to the water vapor flow path in the chemical heat storage material molded body disposed in the chemical heat storage material chamber, the container being in close contact with the inner surface of the chemical heat storage material chamber ;
A filter part having a porous part with a pore size that is provided in a portion facing the water vapor flow path in the chemical heat storage material molded body and smaller than the particle diameter of the powder chemical heat storage material and allows the flow of water vapor;
Chemical heat storage reactor equipped with. The filter unit is
A first porous body layer having a pore size smaller than the particle size of the powder chemical heat storage material and allowing water vapor to flow;
A second porous body layer provided between the first porous body layer and the chemical heat storage material molded body and having a pore diameter larger than the particle diameter of the powder chemical heat storage material;
It is configured to include a,
The chemical heat storage reactor according to claim 1 , wherein the chemical heat storage material molded body and the sintered body are integrated .   The chemical heat storage reactor according to claim 2, wherein the first porous body layer and the second porous body layer are made of the same metal material.   The chemical heat storage reactor according to claim 2, wherein the first porous body layer and the second porous body layer are composed of the same kind of inorganic ribbon fiber material. The powder on a part of the surface of a chemical heat storage material molded body containing a powder chemical heat storage material that absorbs heat with a dehydration reaction and dissipates heat with a hydration reaction, and a clay mineral mixed with the powder chemical heat storage material. A method for producing a filter-equipped chemical heat storage material formed with a filter portion that is smaller than the particle size of the chemical heat storage material and allows the circulation of water vapor,
A first step of obtaining a mixed heat storage material obtained by mixing and stirring a powder chemical heat storage material and a clay mineral together with a binder;
A first porous material for forming a first porous layer having a pore size smaller than the particle size of the powder chemical heat storage material and allowing water vapor to flow, and the particle size of the powder chemical heat storage material A second step of obtaining a composite porous body layer constituting the filter part by laminating a second porous body material for constituting a second porous body layer having a larger pore diameter,
The mixed heat storage material thickened in the first step and the composite porous material layer are set in a mold so that the second porous material layer is in contact with the thickened mixed heat storage material. A third step of compression-molding the thickened mixed heat storage material into a predetermined shape;
A method of manufacturing a chemical heat storage material molded body with a filter including In the second step, a first metal material as the first porous material and a second metal material as the second porous material made of the same metal as the first metal material By compressing, to obtain the composite porous body layer in which the portion constituting the first porous body layer and the portion constituting the second porous body layer are laminated,
6. The chemical chemistry with filter according to claim 5, further comprising a fourth step of integrally sintering the mixed heat storage material formed in a predetermined shape in the third step and the composite porous material layer laminated on the mixed heat storage material. Manufacturing method of heat storage material molded body. In the second step, a first metal material as the first porous material and a second metal material as the second porous material made of the same metal as the first metal material By compressing and sintering, the composite porous body layer in which the portion constituting the first porous body layer and the portion constituting the second porous body layer are fixedly laminated is obtained.
6. The chemical heat storage material with a filter according to claim 5, further comprising a fourth step of drying the mixed heat storage material formed in a predetermined shape in the third step together with the composite porous body layer laminated on the mixed heat storage material. Manufacturing method of a molded object. In the second step, the second porous material comprises the first inorganic ribbon-like fiber material as the first porous material, and the same inorganic ribbon-like fiber material as the first inorganic ribbon-like fiber material. By compressing and sintering the second inorganic ribbon-like fiber material as the body material, the portion constituting the first porous body layer and the portion constituting the second porous body layer are fixed. To obtain the composite porous body layer laminated on
6. The chemical heat storage material with a filter according to claim 5, further comprising a fourth step of drying the mixed heat storage material formed in a predetermined shape in the third step together with the composite porous body layer laminated on the mixed heat storage material. Manufacturing method of a molded object.