JP2001120648A - Deodorizing filter and manufacturing method thereof for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner having a lower loss of pressure because of a deodorizing filter set in the airflow path together with raising efficiency of removing smelling gas which is mounted on an air cleaner and an air conditioner by solving a problem that conventional filters cause a higher loss of pressure. SOLUTION: Using activated charcoal paper mixed with cellulose fiber and fine-grain-activated charcoal or activated charcoal fiber as a base material, higher efficiency of removing smelling gas can be obtained by treatment of sticking a copper ion on the base material. A loss of pressure can be controlled very low by forming a wind path molding the base material in a honeycomb form. By being molded in an elaborate honeycomb form, transitory efficiency of removing smelling gas can be maintained in 80% or more.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing filter which is mounted on an air purifier or an air conditioner and purifies the indoor air by deodorizing contaminated air. The present invention relates to the production of a deodorizing filter for quickly removing odor.

[0002]

2. Description of the Related Art In recent years, as the insulation and airtightness of a living space have been increased in order to enhance the cooling and heating effects, contamination of indoor air has become a problem. As a method of deodorizing indoor air, a method of introducing fresh outside air using a ventilation device to perform ventilation and a method of purifying indoor air by deodorizing contaminated air using an air purifier can be considered. Ventilation has the effect of discharging carbon dioxide generated by residents and the effect of replenishing oxygen in addition to the deodorizing effect, and the most effective method is to use a ventilation device and an air purifier at the same time. The deodorizing methods mounted on air purifiers and air conditioners and put to practical use include an impregnated activated carbon method, an ozone deodorizing method, and a photocatalytic method. In the impregnated activated carbon method, a deodorizing filter using impregnated activated carbon as a base material is installed in an air passage such as a blower or a duct, and the odor gas in the airflow is promptly chemically adsorbed and removed.
In the ozone deodorizing method, ozone is generated from an ozone generator installed in an air passage, and the odor gas in the air stream is deodorized by oxidative decomposition. In the photocatalytic method, fine particles of titanium oxide are irradiated with ultraviolet rays to generate active molecules, which cause a chemical reaction with an odor gas in an air stream to deodorize. In the above-mentioned ozone deodorizing method and photocatalytic method, the chemical reaction rate is slower than the chemical adsorption rate, and thus the deodorizing effect is less effective. The main components of human odor, toilet odor and putrefaction odor generated indoors are hydrogen sulfide, methyl mercaptan and ammonia. An activated carbon impregnated with copper ions has been filed as an impregnated activated carbon having a high deodorizing effect and a high effect for these odorous gases. JP 5
In Japanese Patent No. 7615, a deodorizing material in which copper ions are attached to fibrous activated carbon has been filed. Also, Japanese Patent Application Laid-Open No. 9-475
No. 00 filed an application of a deodorizing filter in which copper ions are added to zeolite and activated carbon.

[0003]

A deodorizing filter mounted on an air purifier or an air conditioner is required to have a high efficiency in removing odorous gas and, at the same time, to be installed in an air passage, so that a low pressure loss is required. A deodorizing material described in JP-A-5-7615 in which copper ions are added to fibrous activated carbon is used as a deodorizing filter which is formed into a pleated shape and fixed with a filter frame 2 as shown in FIG. There was a problem of being expensive. In addition, the deodorizing filter described in JP-A-7-201193 in which copper ions are added to zeolite and activated carbon is used by filling the particles of the activated carbon 5 into the filter frame 2 as shown in FIG. There was a problem to say. INDUSTRIAL APPLICABILITY The present invention is effective in combination with an air conditioner, and provides a filter having excellent deodorizing performance and low pressure loss. Further, the present invention is to improve the quality relating to the deodorizing performance and the life of the deodorizing filter. The present invention proposes a method for manufacturing a deodorizing filter capable of quickly and reliably deodorizing. Further, the present invention proposes a manufacturing method in which copper ions are uniformly attached to the entire surface of the filter.

[0004]

According to a first aspect of the present invention, there is provided a deodorizing filter comprising: a base material using activated carbon paper obtained by mixing fibers of a high molecular compound with at least one of particulate and fibrous activated carbon. A structure in which a base material is formed and a large number of holes penetrating in the thickness direction are provided to form a flat plate, and the holes of the structure are used as an air passage and copper ions are attached to the base material. It was done.

[0005] A deodorizing filter according to claim 2 of the present invention is characterized in that a base material using activated carbon paper obtained by mixing fibers of a high molecular compound and activated carbon fibers or activated carbon paper obtained by mixing activated carbon fibers and particulate activated carbon. And a flat plate-shaped structure that forms a large number of air passages in the thickness direction by molding a base material, wherein the base material is subjected to a copper ion impregnation treatment.

In the deodorizing filter according to claim 3 of the present invention, the amount of activated carbon is 100% with respect to the amount of cellulose of 100%.
200% is mixed.

[0007] In the deodorizing filter according to claim 4 of the present invention, the air passage formed by the base material has a predetermined length.

[0008] The method for producing a deodorizing filter according to claim 5 of the present invention comprises the steps of blending fibers of a polymer compound with at least one of activated carbon fibers and particulate activated carbon to form activated carbon paper; Used as a substrate, comprising a step of applying a chemical solution containing copper ions to the substrate, and a step of forming an air path by molding the substrate, wherein the chemical solution is attached to a roll and transferred to the substrate. Things.

The method for producing a deodorizing filter according to claim 6 of the present invention comprises the steps of: forming activated carbon paper by mixing cellulose fiber and activated carbon fiber; or mixing activated carbon fiber and particulate activated carbon to form activated carbon paper; The method includes the steps of using activated carbon as a base material, applying a chemical solution containing copper ions to the base material, and forming the air base by forming the base material.

[0010] The method for producing a deodorizing filter according to claim 7 of the present invention comprises the steps of blending cellulose fiber with at least one of particulate activated carbon and activated carbon fiber to form activated carbon paper, and adding copper ions to the activated carbon paper. And a step of forming a wind path by forming the activated carbon paper into a honeycomb shape using the activated carbon paper as a base material.

[0011] In the method for producing a deodorizing filter according to claim 8 of the present invention, a chemical solution containing copper ions is sprayed or immersed on activated carbon paper to perform an attachment treatment.

In the method for producing a deodorizing filter according to the ninth aspect of the present invention, the activated carbon paper is impregnated by spraying or dipping a chemical solution containing copper ions in a dry state.

According to a tenth aspect of the present invention, in the method for manufacturing a deodorizing filter, an air passage is formed after a chemical solution is applied.

[0014] In the method for producing a deodorizing filter according to the eleventh aspect of the present invention, a chemical solution is applied after forming an air passage.

An air conditioner according to a twelfth aspect of the present invention is such that the above-mentioned deodorizing filter is arranged in a ventilation path of a blower.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a perspective view showing the structure of the deodorizing filter of the present invention. FIG. 2 is an explanatory diagram of a gravure printing method which is one of the manufacturing methods of the present invention. 7 is an air passage, 8 is a partition plate, 9 is activated carbon paper 1
Activated carbon paper that forms a honeycomb shape with copper ions impregnated therein, 10 is a chemical solution containing copper ions,
Reference numeral 2 denotes a filter frame forming a filter, and 3 denotes a printing roll.

As shown in FIG. 2, a chemical solution containing copper ions is first adhered onto a printing roll 3 using activated carbon paper obtained by mixing fine activated carbon particles on a thin paper-like paper made of cellulose fiber. By rotating the roll, the chemical solution 10 adheres to the activated carbon paper 1 so as to perform printing. This finished activated carbon paper 9 is
Copper ions are impregnated on a mixture of cellulose fibers and fine-particle activated carbon. The treated activated carbon paper 9 is formed into a corrugated shape as processed paper. By laminating the processed activated carbon paper 9 via the partition plate 8, the air passages 7 are formed on both sides of the bent activated carbon paper 9. The width of the activated carbon paper 9 is the length in the thickness direction of the filter, and corresponds to the length of the air passage. A three-dimensional structure on a flat plate having a large number of holes penetrating in the thickness direction is called a honeycomb shape, and has a structure in which air flows through the holes. Although the shape of the hole depends on a processing method such as corrugation, the hole is easily deformed because of a relatively soft paper-like base material, and has a substantially 3-hexagonal shape.

According to the present invention, activated carbon paper 1 prepared by mixing cellulose fibers and fine-particle activated carbon is used as a base material, and the base material is formed into a honeycomb shape to form an air passage 7 and to adhere a chemical solution 10 containing copper ions. A deodorizing filter characterized by being treated. By mixing 1-2 fine particles of activated carbon with the cellulose fiber 1, a base material as thin as paper and having good moldability was obtained. 100% of the cellulose fiber is mixed with 100% -200% of the particulate activated carbon, which is shown in% by weight, and the paper is prepared by mixing the particulate activated carbon as a filler in an aqueous solution in which the cellulose fiber is dispersed. Activated carbon paper 1 in the form of a thin paper is obtained. The copper ion impregnation treatment may be performed after the substrate is formed or formed into a honeycomb shape. When the copper ion impregnation treatment was performed in the state of the base material, the aqueous solution of the copper ion was absorbed like a blotting paper, and the copper ions were uniformly applied to the entire surface of the base material. Alternatively, the base material may be corrugated and laminated to obtain a honeycomb-shaped molded product, and then immersed in an aqueous solution of copper ions to perform the copper ion attachment treatment. The former was laminated after corrugating and formed into a honeycomb shape, and the latter was directly incorporated into a filter frame to obtain a deodorizing filter.

In the present invention, by forming the air passage by forming the base material into a honeycomb shape, the pressure loss can be extremely suppressed. Further, since the honeycomb structure was formed into a dense honeycomb shape, the entire air passage was deodorized, so that the odor gas transient removal efficiency could be maintained at 80% or more. In the honeycomb material, the number of holes per square inch is referred to as the number of cells. In corrugating, the number of holes is about 5 cells, ie, about 180 cells / square inch, while the number of holes is about E cells, ie, about 320 cells / square inch. The object has a dense honeycomb shape. The deodorizing filter according to the present invention realizes high transient removal efficiency with extremely low static pressure loss, and is suitable for a deodorizing filter mounted on an air purifier or an air conditioner. It is excellent in the transient removal efficiency of hydrogen sulfide, methyl mercaptan and ammonia, and is suitable for a deodorizing filter that quickly removes human odor, toilet odor, and putrefaction odor.

In the embodiment of the present invention, an activated carbon paper 1 in which cellulose fibers and activated carbon fibers are mixed is used as a base material, and the base material is formed into a honeycomb shape to form an air passage 7 and to attach copper ions. A deodorized filter characterized by being treated may be used. By mixing 100-200% of activated carbon fibers with 100% of cellulose fibers, a base material as thin as paper and having good moldability was obtained. The copper ion impregnation treatment may be performed after the substrate is formed or formed into a honeycomb shape. When the copper ion impregnation treatment was performed in the state of the base material, the aqueous solution of the copper ion was absorbed like a blotting paper, and the copper ions were uniformly applied to the entire surface of the base material. Also,
The base material may be corrugated and laminated to obtain a honeycomb-shaped molded product, and then immersed in an aqueous solution of copper ions to perform the copper ion attachment treatment. The former was laminated after corrugating and formed into a honeycomb shape, and the latter was directly incorporated into a filter frame to obtain a deodorizing filter.

In the present invention, by forming the air passage by forming the base material into a honeycomb shape, the pressure loss can be extremely suppressed. Further, by using activated carbon fiber having an extremely large specific surface area, the performance is further enhanced as compared with the case of using fine-particle activated carbon, and the efficiency of the odor gas transient removal is improved by forming into a dense honeycomb shape.
% Could be maintained.

Further, in the embodiment of the present invention, activated carbon paper obtained by mixing fine-particle activated carbon with cellulose fiber and activated carbon fiber is used as a base material, and the base material is formed into a honeycomb shape to form an air passage and a copper ion. A deodorizing filter characterized by having been subjected to an impregnation treatment may be used. By mixing 50-100% of activated carbon fiber and 50-100% of fine-particle activated carbon in 100% of cellulose fibers, a base material as thin as paper and having good moldability was obtained. The copper ion impregnation treatment may be performed after the substrate is formed or formed into a honeycomb shape. When the copper ion impregnation treatment was performed in the state of the base material, the aqueous solution of the copper ion was absorbed like a blotting paper, and the copper ions were uniformly applied to the entire surface of the base material. The base material may be corrugated and laminated to obtain a honeycomb-shaped molded product, and then immersed in an aqueous solution of copper ions to perform the copper ion attachment treatment. The former was laminated after corrugating and formed into a honeycomb shape, and the latter was directly incorporated into a filter frame to obtain a deodorizing filter.

In the present invention, the pressure loss can be suppressed to an extremely low level by forming the air passage by forming the base material into a honeycomb shape. In addition, by blending expensive activated carbon fibers having an extremely large specific surface area and inexpensive fine-particle activated carbon, the performance becomes higher than when only the fine-particle activated carbon is used, and it is formed into a dense honeycomb shape. As a result, the odor gas transient removal efficiency could be maintained at 85% or more. The deodorizing filter of the present invention uses activated carbon paper obtained by mixing cellulose fiber and fine-particle activated carbon or activated carbon fiber as a base material, forms the honeycomb shape into a honeycomb shape, forms an air passage, and performs an impregnation treatment with copper ions. As a result, the pressure loss was suppressed to a very low level, and high odor gas removal efficiency was able to be exhibited.
As described above, the air passage of the present invention is composed of a large number of small holes. The number of cells of the honeycomb is 300 or more, and the thickness of the filter, that is, the length of the air passage is 20 mm or less. At 6 m / sec, the pressure loss was 2 mmAq or less, and the removal efficiency for hydrogen sulfide, methyl mercaptan and ammonia, which are the three major odors, was 80% or more, and a life of 1 year or more could be realized. Although the present invention has been described based on the fiber of a high molecular compound which is a cellulose fiber, the cellulose has a cyclic hemiacetal structure in which glucose loses water between alcohol molecules and other sugars. It is a chemical bond formed when condensed to form glycosides.When dispersing fibers and particles in water and making paper by wet method, this cellulose fiber is entangled with fibers when moisture escapes Practical substrates can be obtained because strong paper can be produced. However, a polymer compound that can provide a strong base material other than cellulose, for example, a fiber of an organic polymer compound using another sugar or a synthetic fiber in which fibers are entangled in papermaking. It is only natural that it is good.

Embodiment 2 FIG. A manufacturing method will be described as another embodiment of the present invention. As shown in the description of FIG. 2, a chemical solution containing copper ions is first applied to activated carbon paper obtained by mixing fine-particle activated carbon or activated carbon fiber with cellulose fibers by a gravure printing method, and the base material is formed into a honeycomb shape. This is a method for producing a deodorizing filter in which an air passage is formed. In addition, by applying a chemical solution containing copper ions to activated carbon paper obtained by mixing fine-particle activated carbon or activated carbon fibers with cellulose fibers by a gravure printing method, copper ions were uniformly attached to the entire surface of the filter.

In FIG. 2, only the printing roll 3 is shown, but in this gravure printing method, the activated carbon paper 1 wound on the raw material roll 3 is conveyed by the feeding roll through the printing roll 3, dried in a drying furnace, and finally dried. The product is wound on a product roll as paper treated with a chemical. The print roll 3 may be gravure from both sides, but one side may be a play roll and the other side may be a gravure roll. A transfer roll immersed in a chemical solution layer contacts the gravure roll, and this chemical solution is attached to the gravure roll.
In this invention, by applying a chemical solution containing copper ions by a gravure printing method and applying the solution, the copper ions were uniformly attached to the entire surface of the base material, and the amount of application could be easily controlled. If it is formed into a corrugated shape after the chemical solution is attached, the chemical solution adheres to the entire air passage in the width direction in FIG.

Next, FIG. 3 shows a method of spraying and adhering a chemical solution to activated carbon paper. Numeral 4 denotes a sprayer which incorporates a chemical solution therein and applies pressure to spray from a lower outlet. Activated carbon paper 1 prepared by mixing particulate activated carbon or activated carbon fiber with cellulose fiber is sprayed with a chemical solution containing copper ions in a freshly dried state, and is subjected to an impregnation treatment. This substrate is formed into a honeycomb shape to form an air passage. This is a method for producing a deodorizing filter that is a feature.

In the present invention, there is an advantage that the paper making step and the attaching step can be performed continuously by spraying a chemical solution containing copper ions in a freshly dried state in the paper making step of the activated carbon paper and performing the attaching treatment. In addition, by performing the impregnation treatment in a freshly dried state, the aqueous solution of copper ions quickly permeated and was able to be uniformly impregnated on the entire surface of the substrate. Also, in the manufacturing process of activated carbon paper in which cellulose fiber and fine-particle activated carbon or activated carbon fiber are mixed, the activated carbon paper is spray dried with a chemical solution containing copper ions in a dry state, so that copper ions are uniformly distributed on the entire surface of the filter. Was attached.

[0028]

[Embodiment 1] FIG. 1 is a perspective view of a deodorizing filter in which activated carbon paper obtained by mixing cellulose fiber and fine-particle activated carbon according to the present invention is used as a base material, and the base material is formed into a honeycomb shape to form an air passage and to be treated with copper ions. Shown in In the figure, 9 indicates activated carbon paper treated with copper ions, and 2 indicates a filter frame. Cellulose fibers were obtained by sufficiently fibrillating pulp raw materials. Commercially available powdered activated carbon was used as the particulate activated carbon. By mixing the finely divided activated carbon 1 with the cellulose fiber 1, a base material as thin as paper and having good moldability was obtained. Using a corrugated machine, the base material was a No. 5 step (cells per square inch was a coarse honeycomb shape of about 180) and an E step (cells per square inch was about 320 and a mesh size of about 320). It has a dense honeycomb shape.) By laminating the corrugates, a honeycomb-shaped molded product was obtained. The honeycomb molded article was cut to a thickness of 20 mm. The copper ion impregnation treatment was performed by immersing the cut honeycomb molded article in an aqueous solution of copper sulfate having a concentration of 1 mol / liter for 10 minutes. After naturally drying for 1 hour and then drying in an electric oven at 80 ° C. for 30 minutes, the filter was incorporated into the filter frame 2 to obtain a deodorizing filter.

Embodiment 2 FIG. FIG. 1 is a perspective view of a deodorizing filter in which activated carbon paper obtained by mixing cellulose fibers and activated carbon fibers according to the present invention is used as a base material, and the base material is formed into a honeycomb shape to form an air passage, and copper ions are impregnated. The same is true. Cellulose fibers were obtained by sufficiently fibrillating pulp raw materials. As the activated carbon fiber, a commercially available activated carbon fiber was used. By mixing the activated carbon fiber 1 with the cellulose fiber 1, a base material as thin as paper and having good moldability was obtained. The copper ion attachment treatment was performed by the gravure printing method described in Example 4. The activated carbon paper impregnated with copper ions was processed into corrugates of No. 5 and E using a corrugating machine. By laminating the corrugates, a honeycomb-shaped molded product was obtained. The honeycomb-shaped molded product was cut into a thickness of 10 mm and 20 mm, and then incorporated into a filter frame to obtain a deodorizing filter.

Embodiment 3 FIG. A perspective view of a deodorizing filter in which activated carbon paper obtained by mixing particulate activated carbon with cellulose fiber and activated carbon fiber according to the present invention is used as a base material, and the base material is formed into a honeycomb shape to form an air passage and impregnate copper ions. This is the same as FIG. Cellulose fibers were obtained by sufficiently fibrillating pulp raw materials. Commercially available activated carbon fibers were used. Commercially available powdered activated carbon was also used as the particulate activated carbon. By mixing 0.5 of activated carbon fiber and 0.5 of activated carbon powder to cellulose fiber 1, a base material as thin as paper and having good moldability was obtained. The copper ion impregnation treatment was performed by the spray method described in Example 5. The activated carbon paper impregnated with copper ions was processed into corrugates of No. 5 and E using a corrugating machine. By laminating the corrugates, a honeycomb-shaped molded product was obtained. The honeycomb-shaped molded product was cut into a thickness of 10 mm and 20 mm, and then incorporated into a filter frame to obtain a deodorizing filter.

Embodiment 4 FIG. A method for producing a deodorizing filter in which a chemical solution containing copper ions is impregnated with activated carbon paper obtained by mixing fine-particle activated carbon or activated carbon fiber with cellulose fiber by a gravure printing method, and this substrate is formed into a honeycomb shape to form an air passage. is there. FIG. 2 shows a principle diagram of the attachment process by the gravure printing method. In the figure, 1 is activated carbon paper, 3
Represents a gravure printing roll. The activated carbon paper is passed through a gravure printing machine, a predetermined amount of an aqueous copper sulfate solution is contained in a gravure printing roll, and the gravure printing roll is transferred to the activated carbon paper. The activated carbon paper impregnated with copper ions obtained in this manner was used in Example 2.

Embodiment 5 FIG. Activated carbon paper prepared by mixing particulate activated carbon or activated carbon fiber with cellulose fibers is spray dried with a chemical solution containing copper ions in a dry state,
This is a method for producing a deodorizing filter, characterized in that an air passage is formed by molding this base material into a honeycomb shape. FIG. 3 shows a principle diagram of the attachment process by the spray method. In the figure, 1 indicates activated carbon paper and 4 indicates a sprayer. The activated carbon paper is made with a small paper machine, and a predetermined amount of an aqueous solution of copper sulfate is sprayed onto the raw dry activated carbon paper coming out of the drying step, whereby the activated carbon paper can be uniformly attached to the entire surface. The activated carbon paper impregnated with copper ions obtained in this manner was used in Example 3. This method has an advantage that activated carbon papermaking and copper ion impregnation can be performed on the same line.

Comparative Example 1 As a conventional example, crushed carbon having a particle diameter of about 5 mm was immersed in an aqueous solution of copper sulfate having a concentration of 1 mol / liter for 10 minutes and dried to obtain copper ion-impregnated particulate activated carbon. A non-woven fabric is attached to the lower surface of a grid-shaped filter frame having a thickness of 20 mm as shown in FIG. 8, and the above-mentioned particulate activated carbon is filled in each lattice, and then the non-woven fabric is also attached to the upper surface of the filter frame to produce a deodorizing filter. did. FIG. 8 shows a perspective view of the deodorizing filter.

Comparative Example 2 As a conventional example, activated carbon fibers were immersed in an aqueous solution of copper sulfate having a concentration of 1 mol / liter for 10 minutes and dried to obtain copper ion-impregnated activated carbon fibers. The activated carbon fiber was folded in a pleated shape and incorporated into a filter frame having a thickness of 20 mm to produce a deodorizing filter. FIG. 7 shows a perspective view of the deodorizing filter.

The static pressure loss and the odor gas transient removal efficiency of the deodorizing filters obtained in the above Examples and Comparative Examples were measured, and their performances were compared. The static pressure loss of the deodorizing filter was determined by measuring the static pressure difference before and after the deodorizing filter at a wind speed of 0.6 m / s using a micro pressure gauge. The static pressure loss of the No. 5 deodorizing filter (180 cells) of the example was about 0.5 mmAq, and the static pressure loss of the E-stage deodorizing filter (320 cells) was very low, about 1.0 mmAq.
The static pressure loss of the deodorizing filters of Comparative Examples 1 and 2 was as high as 3 and 5 mmAq, respectively. Next, the transient removal efficiency of the deodorizing filter for hydrogen sulfide, methyl mercaptan and ammonia was measured. The measurement of the transient removal efficiency of the deodorizing filter was performed using an evaluation device provided with an odor sensor downstream of a duct capable of flowing air containing a predetermined concentration of odor gas at a predetermined wind speed. 1 ppm of hydrogen sulfide and methyl mercaptan, and 10 ppm of ammonia are passed through the duct at an air velocity of 0.6 m / s with an odor concentration (inlet concentration) of 10 ppm. A deodorizing filter cut into a square of 10 cm is inserted into the duct, and after deodorizing. The odor concentration (outlet concentration) was measured by an odor sensor, and the transient removal efficiency was calculated by the equation shown in FIG.

The 5th stage deodorizing filter (180
The transient removal efficiency of the cell (cell) was about 60%, but the transient removal efficiency of the E-stage deodorizing filter (320 cells) was 8%.
It was as high as 0% or more. FIG. 5 summarizes the measurement results of the static pressure loss and the efficiency of the transient removal of hydrogen sulfide, methyl mercaptan and ammonia from the E-stage deodorizing filter of the example. The measurement results of the deodorizing filter of the comparative example are also shown in FIG.

As is clear from FIG. 5, the deodorizing filter of Comparative Example 1 achieves a transient removal efficiency of 60-70% with a static pressure loss of 3 mmAq. The deodorizing filter of Comparative Example 2 achieves a 90-100% transient removal efficiency with a static pressure loss of 5 mmAq. On the other hand, the deodorizing filter of Example 1 achieves a transient removal efficiency of 80% or more with a static pressure loss of only 1 mmAq, and the deodorizing filters of Examples 2 and 3 have a static pressure loss of 90% with a static pressure loss of only 1 mmAq. % And a transient removal efficiency of 85% or more.

Embodiment 3 FIG. 6 is a diagram illustrating the structure of a ceiling-mounted fan. 11 is a motor 15 and a fan 1
6 is a casing of a fan having a built-in 6;
1, a grille having a suction port 19 and a blowout port 20 mounted on the surface, 13 a deodorizing filter mounted on the inside of the grille described in the present invention, and 14 a casing inside the casing at the center on the suction side and on the blowout side. An inner plate dividing an outer peripheral portion, 18 is a fan fixing bolt for fixing a motor shaft 17 inside the fan 16 and rotating the fan 16 and the motor 15 integrally, and 22 is a ceiling 11 for the casing 11.
1 is a blower fixing screw to be fixed to 1. The stator of the motor is fixed to the casing 11, and when the rotor of the motor 15 rotates, the fan 16 rotates to draw air from the room through the suction port 19 and the deodorizing filter 13, and the centrifugal diffuser provided on the outer peripheral side of the propeller fan. Air is blown from the outlet 20 through the circuit.

In this structure, the casing 11 has a substantially square periphery, the suction is performed from the entire center, the blowout is blown out from the two square outlets 20, and the other two sides are covered with a grill. . By using a propeller fan and passing through a centrifugal diffuser circuit, a large amount of air can be obtained with little power and a fan with low noise can be obtained. Further, the deodorizing filter 13 is provided in the entire center and can take a large area, so that the wind speed is suppressed, and the deodorizing filter is provided in the air passage formed in a honeycomb shape, and effective deodorizing is performed by the activated carbon paper treated with copper ions. Since the outlet is narrowed to two target surfaces, the large amount of blown air is blown at high speed from the ceiling toward the floor. Furthermore, the air circulates through the entire room because the air easily flows toward the center from the two narrowed sides.

A flat propeller fan and centrifugal diffuser circuit can be used to control the height, and a wide, long air path deodorizing filter can be utilized. As a result, it can be easily attached to the ceiling later with screws in large public rooms such as hospitals and facilities for the elderly, corridors, toilets, and the like. Thereby, odors such as body odor, toilet odor, and unpleasant odor can be removed. It can be easily installed later in the living room in the home to cool the body of the person by the cool air from the fan.

Instead of the fan directly mounted on the ceiling, a duct provided with a ventilation fan connected to the outside and embedded in the ceiling with the same blower structure and having a ventilation fan connected to the outside is provided directly between the fan and the deodorizing filter from the side of the casing. And the outside air may be guided through the inner plate. In order to enhance the cooling and heating effect, as the insulation and airtightness of the living space progress, the contamination of indoor air has become a problem, but with this configuration, as a method of deodorizing indoor air, through a ventilation fan and duct A combination of a method of performing ventilation by introducing fresh outside air and a method of purifying by contaminating air by deodorizing contaminated air by circulating room air using a deodorizing filter can be obtained. Ventilation has the effect of discharging carbon dioxide generated by the occupants and the effect of replenishing oxygen in addition to the deodorizing effect. The most effective method is to use such a ventilation device and a deodorizing filter at the same time.

[0042]

According to the first aspect of the present invention, there is provided a deodorizing filter comprising: a base material using an activated carbon paper obtained by mixing fibers of a polymer compound and at least one particulate or fibrous activated carbon; And a plate-shaped structure provided with a large number of holes formed and penetrated in the thickness direction.The holes in the structure are used as air passages and copper ions are attached to the base material. A device that can effectively deodorize due to loss can be obtained.

The deodorizing filter according to claim 2 of the present invention is a deodorizing filter comprising: a base material using activated carbon paper obtained by mixing fibers of a polymer compound and activated carbon fibers; or an activated carbon paper obtained by mixing activated carbon fibers and particulate activated carbon. A structure having a flat plate shape to form a large number of air passages in the thickness direction by molding the base material,
A high-performance deodorizer can be obtained using activated carbon fibers having a large specific surface area.

The amount of activated carbon in the deodorizing filter according to claim 3 of the present invention is 100% -2 with respect to 100% of cellulose.
Since 00% is mixed, an activated carbon paper as thin as paper can be obtained and the size can be reduced.

[0045] In the deodorizing filter according to the fourth aspect of the present invention, the air path formed by the base material has a predetermined length, so that a sufficient deodorizing effect can be obtained.

The method for producing a deodorizing filter according to claim 5 of the present invention comprises the steps of: mixing the fibers of the polymer compound with at least one of activated carbon fibers and fine-particle activated carbon to form activated carbon paper; Used as a substrate, comprising a step of applying a chemical solution containing copper ions to the substrate, and a step of forming an air path by molding the substrate, wherein the chemical solution is attached to a roll and transferred to the substrate. Therefore, the chemical solution can be uniformly impregnated on the activated carbon paper.

The method for producing a deodorizing filter according to claim 6 of the present invention comprises the steps of: forming activated carbon paper by mixing cellulose fiber and activated carbon fiber; or mixing activated carbon fiber and fine-particle activated carbon to form activated carbon paper; Using activated carbon as a base material, the method includes a step of applying a chemical solution containing copper ions to the base material, and a step of forming an air passage by forming the base material, so that a high-performance deodorizing filter can be easily manufactured. Can be manufactured by the method.

According to a seventh aspect of the present invention, there is provided a method for producing a deodorizing filter, comprising the steps of: mixing at least one of particulate activated carbon and activated carbon fiber with cellulose fiber to form activated carbon paper; Since the method includes the step of applying a chemical solution containing the liquid and the step of forming an air path by forming the activated carbon paper into a honeycomb shape using the activated carbon paper as a base material, it is possible to easily mass-produce filters capable of performing efficient deodorization with low pressure loss. .

In the method for producing a deodorizing filter according to claim 8 of the present invention, a chemical solution containing copper ions is sprayed or immersed on the activated carbon paper, so that the chemical solution can be securely applied to the entire surface.

In the method for producing a deodorizing filter according to claim 9 of the present invention, since the activated carbon paper is impregnated by spraying or dipping a chemical solution containing copper ions in a dry state, the chemical solution permeates and the quality is stabilized. Can manufacture products.

In the method for producing a deodorizing filter according to the tenth aspect of the present invention, since the air path is formed after the chemical solution is applied, a production method which can be mass-produced by a simple process can be obtained.

In the method for manufacturing a deodorizing filter according to the eleventh aspect of the present invention, a chemical solution is applied after forming an air passage, so that flexible manufacturing which can cope with a change in the size of the apparatus can be performed. .

In the air conditioner according to the twelfth aspect of the present invention, since the above-mentioned deodorizing filter is arranged in the ventilation passage of the blower, reliable deodorizing can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a deodorizing filter showing an example of an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a gravure printing method showing an example of an embodiment of the present invention.

FIG. 3 is an explanatory diagram of a spray method showing an example of an embodiment of the present invention.

FIG. 4 is a diagram illustrating an equation of a transient removal efficiency according to an embodiment of the present invention.

FIG. 5 is a diagram showing test results of an example of an embodiment of the present invention.

FIG. 6 is an explanatory diagram of an air conditioner showing an example of another embodiment of the present invention.

FIG. 7 is an explanatory diagram showing a conventional example of the present invention.

FIG. 8 is an explanatory diagram showing a conventional example of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Activated carbon paper, 2 Filter frame, 3 Gravure printing roll, 4 Atomizer, 5 Activated carbon, 6 Activated carbon fiber, 7 Airway, 8 Treated activated carbon paper, 9 Partition plate, 10 Chemical liquid, 11 Blower casing, 12 Grill, 13 Filter , 14
Inner plate, 15 motor, 16 fan, 17 motor shaft, 18 fan mounting bolt, 19 suction port, 20 outlet, 21 ceiling, 22 blower fixing screw.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Makoto Furukawa 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Corporation F-term (reference) 4C080 AA05 CC04 CC05 CC08 CC13 CC15 HH05 HH09 JJ03 JJ06 KK08 LL03 LL10 MM02 MM05 NN24 QQ03 QQ11 4D012 CA09 CB02 CE02 CF05 CG01 CG04 CK06

Claims (12)

[Claims] 1. A base material using activated carbon paper obtained by mixing fibers of a polymer compound with at least one of particulate and fibrous activated carbon, and a plurality of holes formed in the base material and penetrating in a thickness direction. A deodorizing filter comprising: a structure having a plate-like shape provided with a hole; a hole of the structure is used as an air passage; and copper ions are applied to the base material. 2. A base material using an activated carbon paper obtained by mixing fibers of a polymer compound and activated carbon fibers or an activated carbon paper obtained by mixing activated carbon fibers and particulate activated carbon.
A deodorizing filter, comprising: a structure having a flat plate shape that forms a large number of air passages in a thickness direction by molding the base material, wherein copper ions are applied to the base material. 3. The deodorizing filter according to claim 1, wherein the amount of activated carbon is 100% to 200% with respect to 100% of the cellulose fiber which is a fiber of the polymer compound. 4. The deodorizing filter according to claim 1, wherein the air passage formed by the base material has a predetermined length. 5. A step of mixing activated carbon fibers and at least one of activated carbon fibers and particulate activated carbon to form activated carbon paper, and using the activated carbon paper as a base material, the base material containing copper ions. A method for producing a deodorizing filter, comprising: a step of applying a chemical solution; and a step of forming the airflow path by molding the base material, wherein the chemical solution is attached to a roll and transferred to the base material. . 6. A step of forming activated carbon paper by mixing cellulose fiber and activated carbon fiber, or mixing activated carbon fiber and fine-particle activated carbon to form an activated carbon paper; A method for producing a deodorizing filter, comprising: a step of applying a chemical solution containing ions; and a step of forming an air passage by forming the base material. 7. A step of blending at least one of particulate activated carbon and activated carbon fiber with cellulose fiber to form activated carbon paper, a step of impregnating the activated carbon paper with a chemical solution containing copper ions, and Forming a wind path by forming the material into a honeycomb shape. 8. The method for producing a deodorizing filter according to claim 6, wherein a chemical solution containing copper ions is sprayed or immersed on the activated carbon paper to perform an impregnation treatment. 9. The method for producing a deodorizing filter according to claim 8, wherein the activated carbon paper is impregnated by spraying or dipping a chemical solution containing copper ions in a dry state. 10. The method for producing a deodorizing filter according to claim 6, wherein the air passage is formed after the chemical liquid is applied. 11. The method for producing a deodorizing filter according to claim 6, wherein a chemical solution is applied after forming the air passage. 12. An air conditioner wherein at least one of the deodorizing filters according to claim 1-4 is arranged in a ventilation path of a blower.