JPH11347335A - Adsorption structure and deodorizing device using adsorption structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To significantly shorten time for releasing and regenerating adsorbed materials and at the same time, ensure safety during regeneration by heating. SOLUTION: An adsorption layer 2 which shows a high adsorptive performance to an injurious gas or an odorous gas is formed on the inner face of honeycombs 1a, 1a... of a honeycomb structure 1 consisting of a good conductor, and at the same time, a heating means 4 for heating the honeycomb structure 1 is additionally installed. The injurious gas component or the odorous gas component contained in the air passing through the honeycombs 1a, 1a... of the honeycomb structure 1 is adsorbed into the adsorption layer 2. Further, when the injurious gas component or the odorous gas component adsorbed into the adsorption layer 2 under the effects of heat by the heating means 4, is eliminated or regenerated, the rapid conduction of heat to the adsorption layer 2 from the honeycomb structure 1 is ensured and also the securing of safety during regenerating by heat is achieved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adsorption structure and a deodorizing device using the same, and more particularly, to a beauty salon, a pet shop, a hospital, a pachinko parlor, a nursing home,
The present invention relates to an adsorption structure and a deodorizing device using the same, which can be effectively used not only in offices having high odor sources, such as offices of poultry and swine farms and sewage treatment plants, food factories, but also homes and offices. .

[0002]

2. Description of the Related Art Not only facilities having high odor generation sources, such as beauty salons, pet shops, hospitals, pachinko parlors, nursing homes, offices of poultry and pig farms and sewage treatment plants, and food factories,
At home, office and the like, odorous and harmful gas components that have a bad effect on humans present in indoor air are often problematic, and interest in removing odorous gas and harmful gas is increasing.

[0003] The gas components to be removed include harmful gas components such as ammonia, acetaldehyde, trimethylamine, and methyl mercaptan, which are the four major odors of daily life, as well as carbon monoxide and formaldehyde.

Conventionally used adsorbing structures include a honeycomb structure obtained by extruding an adsorbent itself (for example, hydrophobic zeolite), a ceramic sheet carrying an adsorbent, A combination with an adsorbent such as activated carbon or zeolite, or a filter using a plant-based deodorant has been employed.

[0005]

However, in any of the above cases, the heat conductivity is poor, and a long time is required for heat regeneration, or regeneration is impossible, and when it saturates, it must be replaced with a new one. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is possible to greatly reduce the time required for desorbing and regenerating an adsorbed substance, and at the same time, an adsorbing structure having high safety in regeneration by heating and a deodorizing method using the same. It is intended to provide a device.

[0007]

According to a first aspect of the present invention, there is provided a suction structure, wherein the inner surface of a honeycomb structure of a honeycomb structure made of a good conductor is harmful. An adsorbing layer 2 having high adsorption performance for gas and odorous gas is formed, and a heating unit 4 for heating the honeycomb structure 1 is additionally provided.

With the above-described structure, harmful gas components and odorous gas components contained in the air passing through the honeycombs 1a, 1a,... In the honeycomb structure 1 are adsorbed on the adsorption layer 2. Then, the harmful gas component and the odorous gas component adsorbed on the adsorbing layer 2 are desorbed and regenerated by heating by the heating means 4. However, since the honeycomb structure 1 is composed of a good heat conductor, the heat applied to the adsorbing layer 2 is reduced. The transmission is performed promptly, and the desorption regeneration time is greatly reduced. In addition, safety is high even in regeneration by heating.

As in the second aspect of the present invention, in the suction structure of the first aspect, when the heating means 4 is configured to be inserted into and supported by the through holes 3 formed in the honeycomb structure 1, The means 4 can be easily attached to the honeycomb structure 1.

[0010] In the adsorption structure according to the third aspect of the present invention,
As a means for solving the above-mentioned problems, a plurality of thin fins 14, 14,... Made of a good heat conductor are provided, and the fins 14 have a high adsorption of harmful gas or odor gas on the surface of each fin 14. The heating means 4 for heating the fins 14, 14...

With the above construction, the harmful gas component and the odorous gas component contained in the air passing between the fins 14, 14,... Are adsorbed on the adsorption layer 2. The harmful gas component and the odorous gas component adsorbed on the adsorption layer 2 are desorbed and regenerated by heating by the heating means 4. However, since the fins 14, 14,... Is quickly performed, and the desorption regeneration time is greatly reduced.
In addition, safety is high even in regeneration by heating.

As in the fourth aspect of the present invention, in the suction structure of the third aspect, the heating means 4 includes through-holes 15, 15,... Formed in the fins 14, 14,.
Fin 1 of the heating means 4
4, 14,... Can be easily mounted.

As in the fifth aspect of the present invention, in the adsorption structure according to any one of the first to fourth aspects, the adsorption layer 2 is made of an adsorbent having high adsorption performance for harmful gas and odorous gas. In the case of using a material that is dispersed and adhered via a binder having a high degree of adhesion, the adsorbing layer and the mating member (for example, the honeycomb structure 1 or the fins 14, 14,...)
And the heat transfer coefficient to the adsorption layer 2 is also improved.

According to a sixth aspect of the present invention, in the adsorption structure according to any one of the first to fourth aspects, the adsorbing layer 2 is made of an adsorbent having a high adsorbing performance for harmful gas and odorous gas. When a mixture of a gas and a catalyst that decomposes odorous gas is dispersed and attached via a binder having high heat resistance, the adsorbing layer and the partner member (for example,
The bonding strength with the honeycomb structure 1 or the fins 14, 14,...) Is increased, and the heat transfer coefficient to the adsorption layer 2 is also improved. Moreover, the adsorption layer 2 can also decompose harmful gas components and odorous gas components.

[0015] As in the invention of claim 7, in the adsorption structure of claim 5 or 6, as the adsorbent, at least one containing either hydrophobic zeolite or hydrophilic zeolite and activated carbon is used. In this case, a low-cost product can be obtained.

As in the invention of claim 8, in the adsorption structure of claim 6 or 7, when an oxidation catalyst activated by heating is used as the catalyst, harmful gas components or odorous gas components Is easily disassembled.

According to a ninth aspect of the present invention, as a means for solving the above-mentioned problems, the adsorption structure A according to any one of the first to eighth aspects and the adsorption structure A And a catalyst structure 7 having a catalyst that is disposed in the vicinity and that decomposes harmful gas and odor gas generated during regeneration of the adsorption structure A.

With the above structure, the harmful gas component and the odorous gas component in the air passing through the adsorbing structure A are adsorbed by the adsorbing layer 2 at the time of deodorization. Then, the adsorption structure A is heated by the heating means 4, the harmful gas component and the odorous gas component adsorbed by the adsorption structure A are desorbed, and the adsorption structure A is regenerated. And odorous gas components are decomposed by the catalyst and become harmless. That is, the deodorizing operation can be performed for a long period of time.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

First Embodiment FIGS. 1 to 3 show an adsorption structure and a deodorizing apparatus using the same according to a first embodiment of the present invention.

As shown in FIGS. 1A and 1B, the adsorbing structure A is formed on the inner surfaces of the honeycombs 1a, 1a,... In the honeycomb structure 1 made of a good heat conductor (for example, metal such as aluminum). The honeycomb structure 1 is formed by forming an adsorption layer 2 having a high adsorption performance for harmful gas and odor gas, and the honeycomb structure 1 is heated in through holes 3 and 3 formed in the honeycomb structure 1. Electric heaters 4 and 4 acting as heating means are inserted and supported.

The adsorbing layer 2 is composed of an adsorbent having high adsorption performance for harmful gas and odorous gas dispersed and attached via a binder having high heat resistance.
With this configuration, the bonding strength between the adsorption layer 2 and the honeycomb structure 1 is increased, and the heat transfer coefficient to the adsorption layer 2 is also improved. As the adsorbent, it is desirable to use at least one containing either hydrophobic zeolite or hydrophilic zeolite and activated carbon in order to reduce costs.

The adsorbent layer 2 is formed by dispersing a mixture of an adsorbent having high adsorption performance for harmful gas and odor gas and a catalyst for decomposing the harmful gas and odor gas through a binder having high heat resistance. You may comprise by what adhered. In this case, the adsorption layer 2 can also decompose harmful gas components and odorous gas components. As the catalyst, an oxidation catalyst activated by heating (for example, Ag, Pd,
It is preferable to use at least one metal selected from Pt, Mn, Rh, Fe, and Co, or an oxide of these metals) in that harmful gas components and odorous gas components can be easily decomposed.

Next, a deodorizing apparatus using the above-structured adsorbing structure A will be described with reference to FIGS.

As shown in FIG. 2, this deodorizing device is configured by arranging a blower 6, an adsorbing structure A and a catalyst structure 7 in a vertically long rectangular parallelepiped casing 5 in order from bottom to top. Reference numeral 8 denotes an air inlet, 9 denotes an air outlet, 10
Is a damper for opening and closing the air outlet 9, and 11 is a guide plate.

The catalyst structure 7 is, as shown in FIG.
An oxidizing catalyst for decomposing harmful gas and odorous gas generated at the time of regeneration of the adsorption structure A is supported on the surfaces of substrates 12, 12,... Made of a pleated bent thermal conductor (eg, metal). The oxidation catalyst is activated by being heated by the electric heater 13.

The following operation is obtained in this deodorizing device.

That is, at the time of deodorization, the harmful gas component and the odorous gas component in the air W passing through the adsorption structure A are adsorbed by the adsorption layer 2, while at the time of desorption regeneration, the electric heater 4 adsorbs. The structure A is heated, the harmful gas component and the odor gas component adsorbed on the adsorption structure A are desorbed, and the adsorbed structure A is regenerated. The harmful gas component and the odor gas component thus desorbed are converted into a catalyst. It is decomposed by the structure 7 and becomes harmless. That is, the deodorizing operation can be performed for a long period of time.

By arranging the heat exchanger in the casing 5, an air conditioner having a deodorizing function can be obtained.

Second Embodiment FIGS. 4 and 5 show an adsorption structure according to a second embodiment of the present invention.

In this case, the adsorbing structure A is provided with a large number of thin plate-like fins 14 made of a good heat conductor (for example, a metal such as aluminum). Is formed with an adsorption layer 2 having high adsorption performance for harmful gas and odorous gas. Also,
The through holes 15, 1 formed in the fins 14, 14,...
An electric heater 4 acting as a heating means is inserted and supported in 5.

The adsorbing layer 2 is composed of an adsorbent having a high adsorbing performance for harmful gas and odorous gas dispersed and attached via a binder having high heat resistance.
With this configuration, the bonding strength between the adsorption layer 2 and the fins 14 increases, and the heat transfer coefficient to the adsorption layer 2 also increases. As the adsorbent, it is desirable to use at least one containing either hydrophobic zeolite or hydrophilic zeolite and activated carbon in order to reduce costs.

The adsorbent layer 2 is formed by dispersing a mixture of an adsorbent having high adsorption performance for harmful gas and odor gas and a catalyst for decomposing the harmful gas and odor gas through a binder having high heat resistance. You may comprise by what adhered. In this case, the adsorption layer 2 can also decompose harmful gas components and odorous gas components. As the catalyst, an oxidation catalyst activated by heating (for example, Ag, Pd,
It is preferable to use at least one metal selected from Pt, Mn, Rh, Fe, and Co, or an oxide of these metals) in that harmful gas components and odorous gas components can be easily decomposed.

The adsorption structure A according to the present embodiment
Can also be used for the deodorizing device as in the first embodiment.

Third Embodiment FIG. 6 shows an adsorption structure according to a third embodiment of the present invention.

In this case, the suction structure A is provided with a large number of thin plate-like fins 14 made of a good heat conductor (for example, metal such as aluminum). Is formed with an adsorption layer 2 having high adsorption performance for harmful gas and odorous gas. Also,
The adsorption structure A has a PTC acting as a heating means.
The heater 4 is incorporated.

The other configuration, operation, and effect are the same as those in the second embodiment, and the description is omitted.

[0038]

According to the adsorbing structure of the first aspect of the present invention, the honeycomb structure 1 made of a good heat conductor has high adsorbing performance for harmful gas and odor gas on the inner surfaces of the honeycombs 1a. While forming the adsorption layer 2,
A heating means 4 for heating the honeycomb structure 1 is additionally provided, and the honeycombs 1a, 1a,.
When the harmful gas component and the odorous gas component contained in the air passing through the air are adsorbed by the adsorption layer 2 and the harmful gas component and the odorous gas component adsorbed on the adsorption layer 2 by the heating by the heating means 4 are desorbed and regenerated. In addition, since the heat transfer from the honeycomb structure 1 to the adsorption layer 2 is performed quickly, there is an effect that the desorption regeneration time is greatly reduced. In addition, safety is high even in regeneration by heating.

As in the second aspect of the present invention, in the suction structure of the first aspect, when the heating means 4 is configured to be inserted into and supported by the through-hole 3 formed in the honeycomb structure 1, The means 4 can be easily attached to the honeycomb structure 1.

According to the suction structure of the third aspect of the present invention, a large number of thin plate-like fins made of a good heat conductor are used.
An adsorbing layer 2 having a high adsorbing performance for harmful gas and odorous gas on the surface of each fin 14
And a heating means 4 for heating the fins 14, 14,... Is provided so that harmful gas components and odorous gas components contained in air passing between the fins 14, 14,. When the harmful gas components and the odorous gas components adsorbed and adsorbed on the adsorption layer 2 by the heating by the heating means 4 are desorbed and regenerated, the heat transfer from the fins 14, 14,. As a result, there is an effect that the desorption regeneration time is greatly reduced. In addition, safety is high even in regeneration by heating.

As in the fourth aspect of the present invention, in the suction structure of the third aspect, the heating means 4 is provided with through holes 15, 15,... Formed in the fins 14, 14,.
Fin 1 of the heating means 4
4, 14,... Can be easily mounted.

As in the fifth aspect of the present invention, in the adsorption structure according to any one of the first to fourth aspects, the adsorbent layer 2 is made of a heat-resistant adsorbent having high adsorption performance for harmful gas and odorous gas. In the case of using a material that is dispersed and adhered via a binder having a high degree of adhesion, the adsorbing layer and the mating member (for example, the honeycomb structure 1 or the fins 14, 14,...)
And the heat transfer coefficient to the adsorption layer 2 is also improved.

As in the sixth aspect of the present invention, in the adsorption structure according to any one of the first to fourth aspects, the adsorption layer 2 is made of an adsorbent having high adsorption performance for harmful gas and odorous gas. When a mixture of a gas and a catalyst that decomposes odorous gas is dispersed and attached via a binder having high heat resistance, the adsorbing layer and the partner member (for example,
The bonding strength with the honeycomb structure 1 or the fins 14, 14,...) Is increased, and the heat transfer coefficient to the adsorption layer 2 is also improved. Moreover, the adsorption layer 2 can also decompose harmful gas components and odorous gas components.

As in the invention of claim 7, in the adsorption structure of claim 5 or claim 6, as the adsorbent, at least one of hydrophobic zeolite or hydrophilic zeolite and activated carbon is used. In this case, a low-cost product can be obtained.

As in the invention of claim 8, in the adsorption structure of claim 6 or 7, when an oxidation catalyst activated by heating is used as the catalyst, harmful gas components or odorous gas components Is easily disassembled.

According to a ninth aspect of the present invention, in accordance with the deodorizing apparatus of the present invention, the adsorbing structure A according to any one of the first to eighth aspects and the adsorbing structure provided near the adsorbing structure A are provided. And a catalyst structure 7 having a catalyst for decomposing harmful gas and odor gas generated during regeneration of the body A. At the time of deodorization, harmful gas components and odor gas in the air passing through the adsorption structure A While the components are adsorbed on the adsorption layer 2, during the desorption regeneration, the adsorption structure A is heated by the heating means 4, and the harmful gas component and the odorous gas component adsorbed on the adsorption structure A are desorbed. The regeneration of the adsorption structure A is performed,
The desorbed harmful gas component and odorous gas component are decomposed by the catalyst so as to be harmless, so that the deodorizing operation can be performed for a long period of time.

[Brief description of the drawings]

FIG. 1 shows an adsorption structure according to a first embodiment of the present invention, wherein (A) is a perspective view and (B) is a partially enlarged view.

FIG. 2 is a perspective view of a deodorizing device using the adsorption structure according to the first embodiment of the present invention.

FIG. 3 is a perspective view of a catalyst structure in a deodorizing apparatus using the adsorption structure according to the first embodiment of the present invention.

FIG. 4 is a perspective view of a suction structure according to a second embodiment of the present invention.

FIG. 5 is a partially enlarged cross-sectional view of a fin in a suction structure according to a second embodiment of the present invention.

FIG. 6 is a perspective view of a suction structure according to a third embodiment of the present invention.

[Explanation of symbols]

1 is a honeycomb structure, 1a is a honeycomb, 2 is an adsorption layer, 3
Is a through hole, 4 is a heating means (electric heater, PTC heater), 7 is a catalyst structure, 14 is a fin, 15 is a through hole,
A is an adsorption structure.

──────────────────────────────────────────────────続 き Continued on front page (51) Int.Cl. ⁶ Identification code FI B01D 53/86 B01D 53/36 H

Claims (9)

[Claims] A honeycomb structure (1) made of a good conductor
In the honeycombs (1a), (1a) of the above, an adsorbing layer (2) having high adsorption performance for harmful gas and odorous gas is formed on the inner surface, and the honeycomb structure (1) is formed.
A heating means (4) for heating the structure. 2. The suction structure according to claim 1, wherein said heating means (4) is inserted and supported in a through-hole (3) formed in said honeycomb structure (1). . 3. A large number of thin fins (14) made of a good heat conductor are provided.
A heating means (4) for forming an adsorption layer (2) having a high adsorption performance for harmful gas and odor gas on the surface of 4) and heating the fins (14). An adsorbing structure, characterized by being provided with: 4. The heating means (4) is connected to the fins (1).
4), (14)... Formed through holes (15), (1)
5) The suction structure according to claim 3, wherein the suction structure is inserted and supported. 5. The method according to claim 1, wherein the adsorbing layer (2) is formed by dispersing and adhering an adsorbent having high adsorption performance to harmful gas and odorous gas through a binder having high heat resistance. The adsorption structure according to any one of claims 1 to 4. 6. A mixture of an adsorbent having high adsorption performance for harmful gas and odor gas and a catalyst for decomposing the harmful gas and odor gas is applied to the adsorption layer (2) via a binder having high heat resistance. The adsorbing structure according to any one of claims 1 to 4, wherein the adsorbing structure is formed of a material that is dispersed and adhered. 7. The adsorption according to claim 5, wherein at least one of a hydrophobic zeolite, a hydrophilic zeolite, and activated carbon is used as the adsorbent. Structure. 8. The adsorption structure according to claim 6, wherein an oxidation catalyst activated by heating is used as the catalyst. 9. The adsorption structure (A) according to any one of claims 1 to 8, and a regeneration of the adsorption structure (A) which is installed near the adsorption structure (A). A deodorizing device comprising: a catalyst structure (7) having a catalyst for decomposing harmful gas and odor gas generated at the time.