JP5749514B2 - Air purification equipment - Google Patents

Description

This invention relates to air purification equipment for performing the purification treatment of deodorization, etc. captures indoor and outdoor air, especially the present invention, air purification regeneration process structure capable without removing the adsorbent filter medium for purification treatment Regarding equipment .

  Conventionally, in an laboratory or laboratory such as a factory, an air purification device that removes odorous components such as indoor unpleasant odors and toxic gases and deodorizes has been proposed using an adsorbent filter material such as activated carbon ( For example, see Patent Document 1). The one described in Patent Document 1 is configured by incorporating a breathable inner cylinder and outer cylinder in a case body and filling an adsorbent filter medium in a space between the inner cylinder and the outer cylinder. The inside of the inner cylinder is an air introduction space, and an axial fan and a motor for driving the axial fan are incorporated in the upper part of the air introduction space. An air lead-out space is formed between the outer cylinder and the case body, and a lower part of the air lead-out space is opened so that exhaust can be performed.

  In the air purification apparatus having the above-described configuration, when the axial fan is rotated, air containing an odor component is taken into the air introduction space. When the air passes through the adsorption filter medium, the odor component molecules are adsorbed and removed by the adsorption filter medium. The air that has passed through the adsorbent filter medium is led out to the air lead-out space, and the purified air is discharged to the outside through an open portion below the air lead-out space.

Japanese Utility Model Publication No. 4-41929

  Activated carbon used as an adsorbent filter medium can adsorb until the odor component molecules cover the surface, but if the surface and micropores are covered with odor component molecules, the adsorption performance is lost. It is necessary to collect the activated carbon and replace it with a new one. Maintenance is required for the replacement of the activated carbon, and there is a problem that running costs are high.

  Further, in the above air purification apparatus, activated carbon capable of removing high-concentration components among odor components is used as the adsorbent filter medium, so that each odor component having a different molecular size can be effectively adsorbed and removed. It is difficult and the deodorizing performance is not sufficient. Furthermore, the above-described air purifying device is used for the purpose of purifying indoor dirty air and discharging it to the outside for environmental conservation. The outside air is taken in and purified, and the purified air is tested. It is not considered to be used for the purpose of feeding into a room such as a room, and there is a problem that the use is limited.

The present invention has been made paying attention to the above-mentioned problems, uses an adsorption filter medium that can be desorbed by heating, enables regeneration without exchanging the adsorption filter medium, and further purifies by different types of adsorption filter medium The purpose of the present invention is to provide an air purification facility that can be connected in a plurality of stages to enhance the deodorizing performance and, in addition, has a structure capable of purifying indoor and outdoor air and has expanded its application.

An air purification facility according to the present invention includes at least one air purification device, a hot air generator having a hot air outlet, and a connecting pipe connected to the hot air outlet. An air intake part that sucks and takes in air, and a purification processing part that introduces and purifies the air taken in by the air intake part. The purification processing unit includes a case body provided with an air discharge port, an outer cylinder incorporated in the case body, and an inner cylinder provided in the outer cylinder, and includes an inner cylinder and an outer cylinder. The space between them is filled with an adsorption filter medium that can be desorbed by heating. An air introduction space into which the taken-in air is introduced is formed inside the inner cylinder, and the air that has passed through the adsorption filter medium is led between the outer cylinder and the case body and communicates with the air discharge port. A derivation space is formed. The air intake section has an air intake passage communicating with the air introduction space of the purification processing section, and a fan is driven in the intake passage, and the fan is driven outside the intake passage to generate an air suction force in the intake passage. A motor to be generated is provided. The connection pipe is connected to the inlet portion of the intake passage of the air intake portion via a main body portion of a second connection pipe having a branch pipe. The main body portion and the branch pipe of the second connecting pipe are provided with dampers that can be opened and closed by an external operation. During the purification process, the damper of the branch pipe is opened and the air intake section is closed by closing the damper of the main body section. During the regeneration process, the damper of the branch pipe is closed and the damper of the main body is opened, so that hot air from the hot air generator is taken into the air intake part.

In the air purification facility having the above-described configuration, when the motor of the air intake unit of the air purification device is driven, the fan in the intake passage rotates and the air is sucked into the intake passage and introduced into the air introduction space of the purification processing unit. . Further, the air passes through the adsorption filter medium loaded in the space between the inner cylinder and the outer cylinder, and is led out to the air outlet space. When the air passes through the adsorption filter medium, the odor component molecules are adsorbed and removed by the adsorption filter medium. The air led out to the air lead-out space is discharged from the air discharge port. During regeneration processing of the adsorbed filter medium, when the motor of the air intake section is driven, the fan in the intake passage rotates, and hot air generated by the hot air generator is drawn into the air intake section and introduced into the air introduction space. Since the motor of the air intake section is disposed outside the drawing passage, the motor is not exposed to hot air and is not heated to a high temperature, and the motor can be prevented from being damaged, damaged, and deteriorated due to heat. When the hot air introduced into the air introduction space passes through the adsorption filter medium, the adsorption filter medium is heated to raise the temperature, and energy is given to the odor component molecules adsorbed on the adsorption filter medium. As a result, the molecular motion becomes active and the odor component molecules are detached from the adsorbent filter medium. When the concentration of odorous components around the adsorbent filter medium is increased, the odor component molecules are prevented from leaving the adsorbent filter media, but the odorous component molecules that have been separated are forcibly sent to the air outlet space by hot air. The concentration of the odor component around the adsorbent filter medium is not particularly increased, and the detachment of the odor component molecules from the adsorbent filter medium is not hindered, and the adsorbent filter medium is regenerated smoothly.

  In the above-described configuration of the present invention, activated carbon is suitable as the adsorptive filter medium, and as the activated carbon, fibrous activated carbon can be used in addition to granular activated carbon such as charcoal, coconut shell charcoal, and coal. The adsorbent filter medium is not limited to activated carbon as long as it can be desorbed by heating.

  The air purification apparatus having the above-described configuration can be connected to a plurality of stages via a connecting pipe to form an air purification facility. Each stage of the air purification apparatus has a space between the inner cylinder and the outer cylinder of the purification processing unit. In addition, different types of adsorbent filter media are filled.

In an air purification facility in which multiple stages of air purification devices are connected, a connecting pipe communicating with the air discharge port of the preceding stage air purification device is connected to the inlet of the intake passage of the air intake section of the latter stage air purification device, The air purified by the air purification device is drawn into the air intake portion of the subsequent air purification device and introduced into the air introduction space. Since the purification processing sections of the front and rear air purification devices are filled with different types of adsorbent filter media, for example, the high concentration component of the odor component is removed in the former stage, and the trace amount of the odor component in the latter stage. Components are removed and sufficient deodorization is performed.
In addition, the above-mentioned “different kinds of adsorbent filter media” include one with charcoal and the other with different raw materials such as coconut shell charcoal, the same raw material (for example, charcoal), and the pore diameter, density, Including those with different structures.

According to the present invention, the adsorbent filter medium is one that can be desorbed by heating, and can be connected to a hot air generator for regeneration treatment of the adsorbent filter medium and has a structure that can withstand the passage of hot air. Can be regenerated, maintenance for replacing the adsorbent filter medium is unnecessary, and the running cost is low.
Moreover, in addition to the environmental conservation purpose of purifying indoor dirty air and discharging it to the outside, it is also used for the purpose of taking outside air and purifying it, and sending the purified air into a room such as a laboratory. Therefore, the application is not limited and the application can be expanded.
In addition, it is possible to connect multiple stages of air purifiers, and because each type of adsorbent filter medium is filled in the purifying section of each air purifier, it is possible to effectively adsorb and remove odor components with different molecular sizes, and to remove deodorization. Performance can be increased.

It is a front view of the air purification equipment which shows the state which connected the air purification apparatus 2 steps | paragraphs. It is a front view of the air purification equipment which shows the state which connected the hot air generator at the time of the reproduction | regeneration processing of an adsorption filter medium. It is sectional drawing which shows the internal structure of an air purification apparatus. It is a front view which shows the air purification equipment which is an Example of this invention.

FIG. 1 shows the appearance of the air purification equipment . The air purification equipment of the illustrated example takes in outdoor air (outside air), removes odor components, and sends the deodorized air to the inspection room R. The air purification equipment of this invention In addition to such applications, the present invention can also be used for environmental conservation applications where indoor dirty air is purified and discharged to the outside.
In the illustrated example, the two air purification apparatuses 1A and 1B are connected in two stages by the connecting pipe 10 to configure the air purification equipment. However, the air purification apparatus may be configured by one air purification apparatus. Three or more air purification apparatuses may be connected in multiple stages by the connecting pipe 10. In addition, although the flexible bellows-shaped hose is used as said connection pipe 10, it is not restricted to this, A metal pipe etc. can also be used.

  The inspection room R is installed in an automobile assembly factory and is used for conducting a new vehicle certification test. A new vehicle such as a passenger car is introduced into the inspection room R, and the odor component caused by the paint emitted by the new vehicle is measured. Deodorized air is sent into the inspection room R from the air purification equipment, and the inspection room R is set in a clean state free of odor each time a new vehicle to be inspected is introduced.

  Each of the air purification apparatuses 1A and 1B includes an air intake unit 2 that sucks and takes in air, and a purification processing unit 3 that introduces the air taken in by the air intake unit 2 and performs a purification process for deodorization. It is configured.

The air intake section 2 has an air intake passage inside the casing 20, and a sirocco fan 21 drives the sirocco fan 21 outside the intake passage to generate an air suction force in the intake passage. Each motor 22 is provided. The outlet portion 24 of the drawing passage communicates with the air inlet 46 of the purification processing portion 3, and the inlet portion 23 can be connected to a connecting pipe 10 (see FIG. 2) made of a bellows-like hose.
The air purification device 1A in the previous stage is set in a state in which the inlet 23 is opened in order to draw outside air in the direction of the arrow p in the figure during the purification process of FIG. At the time of processing, as shown in FIG. 2, the connecting pipe 10 communicating with the hot air outlet 81 of the hot air generator 8 is connected to the inlet portion 23. The hot air generator 8 in the illustrated example sends hot air of 80 to 100 ° C. to the hot air outlet 81 by a built-in fan.
A connecting pipe 10 that communicates with an outlet 62 of the filter 6 to be described later is connected to the inlet 23 of the latter-stage air purifying apparatus 1B, or a connecting pipe that communicates with the air outlet 49 of the preceding-stage air purifying apparatus 1A. 10 are connected.

  As shown in FIG. 3, the purification processing unit 3 is configured by vertically installing a cylindrical case body 4 on a flat carriage 30 that can move on a floor surface. A breathable outer cylinder 41 is incorporated in the case body 4, and a breathable inner cylinder 40 is assembled on a concentric circle inside the outer cylinder 41. The inner cylinder 40 and the outer cylinder 41 are made of stainless mesh material in order to have heat resistance. A short reinforcing rib 43 is provided at the upper end portion of the outer peripheral surface of the outer cylinder 41, and a long reinforcing rib 42 is provided at an equiangular position on the inner peripheral surface of the inner cylinder 40 over almost the entire length of the cylinder. Wheels 31 are attached to the four corners of the lower surface of the cart 30, and a handle 32 is provided at the rear end of the upper surface of the cart 30.

  The lower end surface of the case body 4 is closed by the upper surface of the carriage 30, and the upper end surface is closed by a donut-shaped top plate 44. An air introduction tube 45 is connected to the central opening of the top plate 44. The front end of the air introduction tube 45 is an air introduction port 46, and a flange 45 a for connecting to the casing 20 of the air intake portion 2 is formed on the periphery of the air introduction port 46.

  A space A that makes a round between the inner cylinder 40 and the outer cylinder 41 is filled with an adsorption filter medium 5 that can be desorbed by heating. In this embodiment, granular activated carbon is used as the adsorption filter medium 5. The first-stage air purification apparatus 1A has activated carbon that has the ability to adsorb exclusively high-concentration molecules among odor components, and the second-stage air purification apparatus 1B has activated carbon that has the ability to exclusively adsorb trace component molecules. Each is used. In the figure, 47a is a supply port with a lid provided in a diagonal position for supplying activated carbon to the space A, and 47b is a cover provided in a diagonal position for taking out the activated carbon from the space A. This is the exit.

  The space inside the inner cylinder 40 is an air introduction space B into which air is introduced from the air introduction port 46, and the space around the outside of the outer cylinder 41 passes through the adsorption filter medium 5 to remove odor components. This is an air outlet space C from which air is derived. An air discharge pipe 48 communicating with the air outlet space C is connected to the front portion of the lower end portion of the case body 4. The front end of the air discharge pipe 48 is an air discharge port 49, and the inlet 61 of the filter 6 is connected to the air discharge port 49.

Connected to the outlet 62 of the filter 6 attached to the front-stage air purification apparatus 1A is a connecting pipe 10 made of a bellows-like hose that communicates with the rear-stage air purification apparatus 1B. Connected to the outlet 62 of the filter 6 attached to the downstream air purification apparatus 1B is a connecting pipe 7 made of a metal pipe communicating with the examination room R. Each filter 6 is used to capture dust, dust, and the like of the adsorption filter medium 5 during the purification process, and is attached only at the beginning of the purification process, and then removed. Each filter 6 is not mounted when the adsorbent filter medium 5 is regenerated.
From a bellows-like hose that communicates with the air outlet 49 of the air exhaust pipe 48 of the air purifier 1A at the front stage to the inlet 23 of the air intake part 2 of the air purifier 1B at the rear stage when the filter 6 is removed. It is possible to directly connect the connecting pipe 10, and it is also possible to directly connect the connecting pipe 7 made of a metal pipe to the air discharge port 49 of the air discharge pipe 48 of the air purification device 1 </ b> B at the subsequent stage. It is possible.

  The connection pipe 7 has a branch pipe 71 that branches into a bifurcated shape, and dampers 72 and 73 that are opened and closed by an external operation are disposed in the main body 70 of the connection pipe 7 and inside the branch pipe 71. The tip of the branch pipe 71 communicates with the examination room R, and during the purification process, the damper 73 of the branch pipe 71 is opened, and the damper 72 of the main body portion 70 of the connecting pipe 7 is closed, so that the purified air is indicated by an arrow in the figure. As indicated by q, it is fed into the examination room R. At the time of a regeneration process described later, the damper 72 of the main body 70 of the connecting pipe 7 is opened and the damper 73 of the branch pipe 71 is closed, so that hot air is discharged to the outside as indicated by an arrow r in FIG.

FIG. 4 shows an embodiment of the air purification equipment according to the present invention . The connecting pipe 7 having the branch pipe 71 is connected to the inlet 23 of the air intake part 2 of the preceding stage air purification apparatus 1A. A connecting pipe 10 connected to the hot air outlet 81 of the hot air generator 8 is connected to the connecting pipe 7. During the purification process, the damper 73 in the branch pipe 71 is opened, and the damper 72 of the main body 70 of the connecting pipe 7 is closed, so that outside air is taken into the air intake part 2, and during the regeneration process, the damper 73 is closed. By opening the damper 72, hot air is taken into the air taking-in part 2.

  In addition, when using the above-mentioned air purification equipment for environmental conservation purposes of purifying indoor dirty air and discharging it to the outside, a connecting pipe is connected to the inlet portion 23 of the air intake portion 2 of the preceding stage air purification device 1A. 10 is connected, and indoor air is taken into the air intake part 2 of the air purifying apparatus 1A through the connecting pipe 10.

  In each of the air purification apparatuses 1A and 1B having the above-described configuration, when the motor 22 of the air intake unit 2 is driven, the sirocco fan 21 in the intake passage rotates and air is sucked into the intake passage and air is introduced into the purification processing unit 3. It is introduced into the space B, further passes through the adsorption filter medium 5 loaded in the space A between the inner cylinder 40 and the outer cylinder 41, and is led out to the air lead-out space C. When air passes through the adsorption filter medium 5, odor component molecules are adsorbed on the adsorption filter medium 5 and removed. The air led out to the air lead-out space C is discharged from the air discharge port 49 of the air discharge pipe 48.

  In the air purification equipment shown in FIG. 1 in which the air purification apparatuses 1A and 1B are connected in two stages, the air of the preceding stage air purification apparatus 1A enters the inlet 23 of the intake passage of the air intake section 2 of the rear stage air purification apparatus 1B. The connecting pipe 10 communicating with the discharge port 49 is connected, and the air purified by the preceding air purification device 1A is drawn into the air intake 2 and introduced into the air introduction space B. Since the purification processing units 2 of the front and rear air purification apparatuses 1A and 1B are filled with different types of adsorbent filter media 5, for example, high-concentration components of odor components are removed in the former stage, and odors in the latter stage. The trace component of the components is removed and sufficient deodorization is performed.

At the time of the regeneration process of the adsorbent filter medium 5, as shown in FIG. 2, the connecting pipe 10 communicated with the hot air outlet 81 of the hot air generator 8 to the inlet 23 of the intake passage of the air intake unit 2 of the preceding stage air purification device 1A. Is connected. When the motors 22 of the air intake portions 2 of the air purification devices 1A and 1B are driven, the sirocco fan 21 in the intake passage rotates, and the hot air generated by the hot air generator 8 is taken up by the air purification device 1A of the preceding stage. It is drawn into the insertion portion 2 and introduced into the air introduction space B. Since the motor 22 of the air intake section 2 is disposed outside the intake passage, the motor 22 is not exposed to hot air and is not heated to a high temperature, and the motor 22 is damaged, damaged, and deteriorated due to heat. Can be prevented. When the hot air introduced into the air introduction space B passes through the adsorption filter medium 5, the adsorption filter medium 5 is heated to increase the temperature, and energy is given to the odor component molecules adsorbed on the adsorption filter medium 5. As a result, the molecular motion becomes active, and the molecules of the odor component are detached from the adsorption filter medium 5. When the concentration of the odor component around the adsorbent filter medium 5 is increased, the detachment of the odor component molecules from the adsorbent filter medium 5 is inhibited. Therefore, the concentration of the odor component around the adsorbent filter medium 5 is not increased, the detachment of the odor component molecules from the adsorbent filter medium 5 is not hindered, and the regeneration process of the adsorbent filter medium 5 is performed smoothly.
Regarding the latter-stage air purification device 1B, hot air is drawn into the air intake unit 2 through the connecting pipe 10 communicating with the first-stage air purification device 1A. Is called.

  The regeneration treatment with hot air may be performed, for example, about once every week for about 1 hour, so that the adsorption filter medium 5 can be used for a long time, and the adsorption filter medium 5 can be replaced as in the past. There is no need to do it frequently.

DESCRIPTION OF SYMBOLS 1A, 1B Air purification apparatus 2 Air intake part 3 Purification process part 4 Case body 5 Adsorption filter media 7 Connection pipe 8 Hot air generator 10 Connection pipe 21 Fan 22 Motor 49 Air discharge port 81 Hot air outlet B Air introduction space C Air extraction space

Claims (2)

An air purification facility comprising at least one air purification device, a hot air generator having a hot air outlet, and a connecting pipe connected to the hot air outlet,
The air purification device has an air intake part that sucks and takes in air, and a purification treatment part that introduces and purifies air taken in by the air intake part,
The purification processing unit includes a case body provided with an air discharge port, an outer cylinder incorporated in the case body, and an inner cylinder provided in the outer cylinder, and includes an inner cylinder and an outer cylinder. The space between them is filled with an adsorption filter medium that can be desorbed by heating, and an air introduction space into which the taken-in air is introduced is formed inside the inner cylinder, and between the outer cylinder and the case body, Air passing through the adsorbent filter medium is led out to form an air lead-out space communicating with the air outlet,
The air intake section has an air intake passage communicating with the air introduction space of the purification processing section, and a fan is driven in the intake passage, and the fan is driven outside the intake passage to generate an air suction force in the intake passage. The motor to be generated is deployed ,
The connecting pipe is connected to an inlet portion of a drawing passage of the air intake part through a main body part of a second connecting pipe having a branch pipe, and the main body part and the branch pipe of the second connecting pipe are connected to the outside. A damper that opens and closes by operation is provided, the damper of the branch pipe is opened during the purification process, outside air is taken into the air intake section by closing the damper of the main body part, and the damper of the branch pipe is closed during the regeneration process. The air purification equipment which took in the hot air from the said hot air generator to an air intake part by opening the damper of a part.   An air purification facility configured by connecting a plurality of stages of the air purification device according to claim 1 through a connecting pipe, wherein each stage of the air purification device includes an inner cylinder and an outer cylinder of a purification treatment unit. An air purification facility that is filled with different types of adsorbent filter media in the space between them.

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