JP2008209068A - Air cleaning system in building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air cleaning system in a building capable of keeping a clean room from which harmful chemical substances are removed by allowing the cleaned outside air to flow in the building and to be discharged outdoors, removing foul smell and humidity, improving safety as a motor is not used so that the fire caused by dust, carbon dust and the like can be prevented, and reducing running costs. <P>SOLUTION: An air cleaning box 14 is disposed in a building main body 1 having an outside air suction opening 7 and an air discharge opening 9, and being forcibly ventilated by forcing the outside air by a ventilation fan 8. The air cleaning box 14 has an outside air introduction opening 17 at its upper portion side and a cleaned air discharge opening 18 at its lower portion side, and receives an adsorber for cleaning composed of fine porous burned object inside. The outside air introduction opening 17 is communicated with the outside air suction opening 7. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention eliminates the state in which harmful chemical substances such as formaldehyde, which are the cause of sick house syndrome, remain in the buildings such as existing houses, new houses, and apartment buildings, and also removes off-flavors and moisture. The present invention relates to a building interior air purification system that provides a comfortable living space for residents and the like.

In recent years, harmful chemical substances such as dioxins have been cited as causes of health damage called sick house syndrome, and their removal or reduction is strongly demanded. As a technique for removing this harmful chemical substance by using the adsorption action of charcoal, a hollow case having an air intake port and an air outlet, and an air from the air intake port disposed in the ventilation path in the hollow case are removed. A blower to be sent to the air outlet, a plurality of shelf support members spaced apart in the ventilation direction, and a breathable charcoal placement shelf supported by the plurality of shelf support members in a replaceable manner, respectively. The deodorizing furniture which becomes is proposed (patent document 1). Also, charcoal is put into a box with a ventilation fan that is rotated by a drive motor, and polluted indoor air is sucked by the ventilation fan and applied to the charcoal to increase the efficiency of the adsorption power of the charcoal and generate convection of the indoor air. A technique has been proposed (Patent Document 2).
Japanese Patent Laid-Open No. 2003-153991 JP 2001-235198 A

  The prior art air purification devices including Patent Documents 1 and 2 described above have the following drawbacks. The first problem is that since the intake motor is provided in the casing in which dust flows, the dust adheres to the motor at an early stage, so there is a risk of failure and lack of safety. Therefore, it is a drawback that frequent cleaning is required and there is troublesome maintenance and inspection. The second problem is that the air purification charcoal is housed in the casing, but dust is easily adsorbed or adhered to the charcoal due to the static electricity of the motor, and the charcoal purification capability is lost early. The third problem is that the dust accumulated inside the casing, and the charcoal fragments and charcoal powder adhering to the dust may be ignited by sparks or heat generated from the motor, and are not safe. Fourth, in recent years indoor dust has been viewed as a problem because it contains bromine-based dioxin at a high concentration, but this type of purification device purifies air while circulating indoor air. It is a disadvantage that indoor dust containing brominated dioxins cannot be removed.

  The present invention has been made in view of the above-described problems of the prior art, and keeps clean indoors from which harmful chemical substances have been removed by purifying the outside air introduced into the building, flowing it indoors, and discharging it outside. Can remove off-flavors and moisture, and since no motors are used, there is no fire due to dust or charcoal powder adhering to dust, so it is extremely safe and can keep running costs low Moreover, since the air purification box can be used together as furniture, it is an object to provide an indoor air purification system that can effectively use the indoor space.

  The means of the present invention according to claim 1 configured to solve the above-described problem is the introduction of outside air into the upper side of a building having an outside air intake port and an exhaust port and forcedly ventilating by pushing outside air with a ventilation fan. An air purification box having a purification air discharge port on the lower side and containing a purification adsorbent composed of a microporous fired product inside, and the outside air inlet port communicated with the outside air inlet port So that the outside air pushed from the outside air inlet by the ventilation fan flows into the air purification box, is purified by the purification adsorbent, and is discharged from the purified air outlet into the building. Made up of.

  Further, the means constituting the present invention according to claim 2 has an outside air introduction port on the upper side and a purified air discharge port on the lower side in the building that naturally ventilates through the intake and exhaust ventilation ports, and the inside is microporous. An air purification box containing a purification adsorbent composed of a baked product is installed in a state where the outside air inlet is in communication with an outside air suction port provided in the building, and a ventilation fan provided in the outside air suction port The outside air to be pushed flows into the air purification box, is purified by the purification adsorbent, and is discharged into the building from the purified air discharge port.

The air purification box includes a box body defined by a partition plate in a rear chamber and a storage chamber that can be opened and closed by a door. An outside air introduction port provided on the upper side, a purified air discharge port provided on the lower side of the box body in communication with the purification chamber, and a support body provided in the purification chamber, and purified by the support body It is preferable that the adsorbent is supported.

Further, it is preferable that the air purification box is provided with a purified air discharge port in a state of being spaced apart from each other on the lower side, and each of the purified air discharge ports can be opened and closed by a closing means.

  In the air purification box, a plate-like support body in which a ventilation portion communicating with the outside air introduction port and the purified air discharge port is formed on one side in the longitudinal direction may be arranged to be turned upside down. .

  The air purification box includes a support plate having a ventilation portion communicating the outside air inlet and the purified air discharge port, and the support plate is displaceably provided to adjust the ventilation portion to an arbitrary opening area. It is preferable to have a configuration in which a variable support composed of a shutter is arranged.

  Furthermore, the purification adsorbent may be stored in a state of being suspended from a support provided in the air purification box.

  The adsorbent for purification may be configured to fill a breathable bag with a microporous carbide flake, granule, powder or a mixture thereof.

  Furthermore, the air purification box has an outside air introduction port that communicates with the outside air suction port on the rear surface, and a communication hole that can be closed on the side surface. The outside air introduction has a communication hole that can be closed on each of the left and right sides, a front box formed in a box shape that can be opened and closed by a door, and a plurality of continuous box bodies that contain a purification adsorbent inside. The box is in a state where the outside air inlet is in communication with the outside air inlet, the plurality of connecting boxes are in a state in which adjacent communication holes are open, and the other communication holes are closed, and are arranged in rows and columns. By doing so, it is preferable that the outside air flowing in from the outside air inlet is purified and discharged into the building as a purified air outlet through the communication hole of at least one continuous box.

Since the present invention is configured as described above, the following effects can be obtained.
(1) An air purification box containing a purification adsorbent is installed in a building that is forced to ventilate by pushing outside air with a ventilation fan. Purified by the body, released into the building from the purified air outlet and pushed out the air inside the building to the outside, so you can keep the air inside the building clean and remove off-flavors and moisture Therefore, it is possible to remove or reduce harmful chemical substances that cause sick house syndrome.
(2) An air purification box containing a purification adsorbent is installed in a building that naturally ventilates through the intake / exhaust ventilation port, and the outside air pushed by the ventilation fan provided in the outside air suction port flows into the air purification box for purification. Since it is purified by the adsorbent for use and discharged into the building from the purified air discharge port, the air in the building can be kept clean at all times, and the off-flavor and moisture can be removed as in the case 1.
(3) The air purification box body can be used simply by connecting it to the outside air inlet and installing it indoors, and no special construction is required for installation. And can also be used in apartment houses.
(4) Since the air purifying box is defined by a partition plate in the rear chamber as a purifying chamber and the front inner portion in a storage chamber that can be opened and closed by a door, the air purifying box can also be used in furniture such as cabinets. An indoor space can be used effectively.
(5) Since the purified air discharge ports are provided in opposite directions apart from each other on the lower side of the air purification box and can be opened and closed by the closing means, the position of the air purification box and the purification The direction in which air is discharged can be arbitrarily selected, and there is a degree of freedom in use.
(6) In the air purification box, a support body in which a ventilation portion for forming a flow path from the outside air inlet to the purified air discharge port is formed on one side in the longitudinal direction is disposed so that the upper and lower surfaces can be reversed. From the above, it is possible to arbitrarily change the air flow direction in accordance with the position of the purified air discharge port to be used.
(7) Inside the air purification box, a support plate having a ventilation portion for communicating the outside air inlet and the purified air discharge port, and a support plate that can be displaced are provided, and the ventilation portion can be adjusted to an arbitrary opening area. Since the variable support body composed of a simple shutter is disposed, it is possible to adjust the discharge amount of the purified air in accordance with the indoor area and the flow speed in the air purification box.
(8) Since the purification adsorbent is housed in a state of being suspended in the air purification box via the support, it is possible to improve the efficiency of air purification by ensuring a contact area with the flowing outside air.
(9) Since the adsorbent for purification is configured by filling a breathable bag with fine porous carbide flakes, granules, powders, or a mixture thereof, the fine porous carbide is directly attached with dust. The air purification action can be exhibited over a long period of time.
(10) The air purification box has an outside air introduction port and a communication hole that can be closed, and the front surface has an outside air introduction box body that can be opened and closed by a door, and a communication hole that can be closed on each of the upper, lower, left and right sides. The front air inlet box is open and close by a door, the outside air introduction box is in a state where the outside air inlet is in communication with the outside air inlet, and the plurality of consecutive boxes are adjacent to the communication holes. Since it is open and other communication holes are closed and arranged vertically and horizontally, it can be composed into an air purification box of a size corresponding to an indoor space, and it can be used as a container or for indoor use. It is possible to compose the air purification box in a suitable form in consideration of the interior.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 4 show a first embodiment of the present invention. In the figure, 1 indicates a house body. The house body 1 includes a fabric foundation 2 and a housing 3 constructed on the fabric foundation 2. The housing 3 includes a first floor 3A, outer walls 3B and 3B, a first floor ceiling 3C, a second floor 3D, and a second floor. The ceiling 3E and the roof 3F constitute a two-story structure, and the interior is defined by a plurality of rooms 5A, 5B, .., corridors 6A, 6B by doors 4, 4,.

  Reference numerals 7, 7, and 7 denote outside air suction ports formed of cylindrical bodies provided on the outer wall 3B for introducing outside air into the respective rooms 5A, 5C, and 5D. The outside air is connected to the one outside air suction port 7 that communicates with the room 5C. A ventilation fan 8 for pushing into the main body 1 for forced ventilation is provided. 9 is an exhaust port for discharging the air inside the house body 1 to the outdoors. Exhaust ducts 9A and 9B made of branch pipes opened respectively in the corridors 6A and 6B are connected to the exhaust port 9 on the downstream side. Is provided with an exhaust fan 10. An exhaust fan 12 is also provided at another exhaust port 11 provided in the outer wall 3B so as to communicate with the room 5B.

  Thus, the house main body 1 has the above-described configuration, and employs a forced ventilation system that sucks outside air by the ventilation fan 8 and pushes it into each room and exhausts it to the outside by the exhaust fan 10. Further, a heat dissipating panel 13 is installed in the room along the wall.

  Reference numeral 14 denotes an air purification box for supplying clean outside air into the house body 1. The air purification box 14 has a rear plate 15B erected on the rear edge of a rectangular bottom plate 15A, side plates 15C and 15C are erected on both side edges of the bottom plate 15A, and the upper ends of the side plates 15C and 15C and the rear plate 15B. The top plate 15D is horizontally provided, and is composed of a box body 15 configured to be open at the front, and a door door 16 hinged to the box body 15 so as to be hermetically sealed. An introduction port 17 is formed, and a purified air discharge port 18 is formed on the lower side of the side plate 15C on one side.

  The box body 15 and the door 16 are made of wooden panels laminated with a heat insulating material sandwiched between panel materials to provide heat insulation, and it is possible to cool the room by introducing cold outside air. Prevent it. In addition, a filter 19 for removing dust is provided at the outside air introduction port 17.

  Reference numerals 20 and 20 denote support bodies that are horizontally mounted in two steps between the side plates 15C and 15C of the box body 15, and each support body 20 is formed of a horizontally long flat plate, and is substantially L-shaped at a corner on one side in the longitudinal direction. It has a shape in which a ventilation portion 20A composed of a notch is formed. Then, the lower support 20 is turned upside down and placed horizontally so that the upper and lower ventilation portions 20A and 20A are positioned on opposite sides so that the outside air meanders in the box body 14. is there. Each support body 20 is supported by a receiving member provided on the side plate 15C, for example, an L-shaped bracket (not shown).

  21, 21,... Indicate a plurality of purification adsorbents placed and stored on the respective supports 20. Each of the purification adsorbents 21 is placed in a bag formed of a breathable nonwoven fabric. It is configured by filling a fine porous fired body such as charcoal or coconut shell activated carbon, a granular body, a powdered body, or a mixture thereof (see FIG. 9).

  The air purification system according to the present embodiment has the above-described configuration. Next, the operation thereof will be described. First, the outside air inlet 17 of the house body 1 is in communication with the outside air inlet 17 and the air purification box 14 is installed along the wall in the room. In this case, the purified air discharge port 18 is directed to the heat dissipation panel 13. By arranging the air purification box 14 in this way, the cooled purified air can be quickly heated by the heat radiating panel 13 and flowed into the room, thereby preventing the room temperature from being lowered.

  In the house main body 1 in which the air purification box 14 is installed in the above-described state, the outside air pushed by the ventilation fan 8 from the outside air suction portion 7 flows into the air purification box 14 through the filter 19 and flows in the box 14. By contacting the purification adsorbent 21 between them, harmful substances such as carbon dioxide, pollen and sulfur oxide contained in the outside air are adsorbed and removed, and purified air is released toward the heat radiating panel 13 as clean air. Discharge from outlet 18.

In this way, the outside air pushed into the house body 1 by the ventilation fan 8 is first purified in the air purification box 14, and the purified air is discharged into the house body 1 to flow, thereby configuring the house body 1. The house body 1 can always be filled with clean air by diluting or reducing the concentration of harmful chemical substances released from the building materials and the like, and discharging it to the outside through the exhaust ports 9 and 12.

  Table 1 shows that when the air purification system is provided in the second type ventilated room (A), when not provided in the third type ventilated room (B), and conversely, the system is not provided in the room (A). The formaldehyde concentration in each case where the system was provided in the room (B) was measured, and the measured values were compared. As is apparent from the measured values in Table 1, the air in the room (A) provided with the air purification system is purified in each of the first and second measurements, and the air purification system is used in the third measurement. It can be confirmed that the air in the provided room (B) is purified. Measurements are conducted by the Hokkaido Environmental Science and Technology Center.

  Next, a second embodiment will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and used for the component same as the component of 1st Embodiment mentioned above in this Embodiment and other embodiment mentioned later, and the description is abbreviate | omitted. In the figure, 31 indicates an air purification box, which is the lower side of the box body 15, the door 16 (not shown), the outside air inlet 17, and the side plates 15 C and 15 C of the box body 15. It is comprised from the purified air discharge ports 32 and 33 provided in this.

Reference numeral 34 shown in FIG. 6 denotes a closing plate that selectively closes the pair of purified air discharge ports 32 and 33. The closing plate 34 is composed of a plate body 34A and a pair of engagement pieces 34B, 34B made of a spring material that is positioned on the back surface of the plate body 34 and protrudes rearward. The engagement pieces 34B and 34B can be engaged with and disengaged from the engagement parts 32 and 33.

Reference numeral 35 denotes a support body which is placed horizontally in the box body 15 in order to support the purification adsorbing body 21. The support 35 is characterized by a plate body 36 made of a rectangular flat plate and formed with a pair of cutout vents 36A and 36B spaced apart in the longitudinal direction, and a movable support (not shown) on the lower surface of the plate body 36. The shutter 37 is provided so as to be slidable in the direction indicated by the arrow through the portion, and selectively closes the pair of ventilation portions 36A, 36A.

  In the present embodiment, the purified air discharge ports 32 and 33 are provided on both sides of the air purification box 31 so that the release direction of the purified air can be selected by the closing plate 34, and the pair of ventilation portions 36 </ b> A of each support 35. 36A is configured such that the flow direction of the purified air can be changed by selectively opening and closing the shutter 37. Thereby, the air purification box 31 can select and arrange | position the purification | cleaning air discharge ports 32 and 33 according to the layout of a room, or the arrangement position of the thermal radiation panel 13, and the purification | cleaning air in the box main body 2 is a flow direction. Can be reliably brought into contact with the purification adsorbents 21, 21,...

  8 and 9 show a third embodiment. The feature of this embodiment is that instead of the plate-like support 35 in the second embodiment, two support rods 41, 41 are vertically spaced apart and installed in the box body 2, A plurality of purification adsorbers 42, 42,... Are suspended from each support 41. Here, each of the purification adsorbents 42 includes a storage bag 42A made of a breathable material such as a nonwoven fabric, a hanging hook 42B provided at the upper end of the storage bag 42A, and a piece-like body stored in the storage bag 42A. , Charcoal 42C, 42C, which is a microporous fired body made of a granular material, a powdery material, or a mixture thereof.

  According to the present embodiment, a plurality of purification adsorbents 42 are suspended from the support rods 41 in the box body 15, and the contact area of the purification adsorbents 42 is sufficient for flowing outside air. Therefore, the purification efficiency of the air can be increased, and the replacement work of the purification adsorbent 42 can be easily performed.

  FIG. 10 shows an air purification box according to the fourth embodiment. The box body 15 constituting the air purification box 51 is the one shown in the first embodiment, and has an outside air introduction port 17 and a purified air discharge port 18. A partition plate 52 is provided in the box body 15 in the vertical direction. The rear side communicating with the outside air introduction port 17 and the purified air discharge port 18 is defined in the purification chamber 53 and the front side is defined in the storage chamber 54. is there. In the purification chamber 53, a support 55 made of a flat plate provided with a ventilation portion 55A for communicating the outside air introduction port 17 and the purified air discharge port 18 is installed in two upper and lower stages.

The air purification box 51 having the above-described configuration is defined by the partition plate 52 so that the rear interior is defined as the purification chamber 53 and the front interior is defined as the storage chamber 54. By having it, an indoor space can be used effectively.

  Further, FIG. 11 shows a variable support 61 according to the fifth embodiment, wherein the variable support 61 has a ventilation portion 62A for communicating the outside air introduction port 17 and the purified air discharge port 18 on one side in the longitudinal direction. A plate main body 62 formed in a notch shape and a sliding mechanism (not shown) are provided on the plate main body 62 so as to be displaceable in the lateral direction of the arrow and b, and the ventilation portion 62A can be freely opened. A movable adjustment plate 63 that adjusts the area is used.

  According to the present embodiment, the amount of purified air released is adjusted in accordance with the indoor area by sliding the movable adjustment plate 63 in the direction of arrow B and changing the opening area of the ventilation portion 63A. In addition, the flow rate in the air purification box 14 can be adjusted.

Further, FIG. 12 to FIG. 16 show a sixth embodiment. In the figure, reference numeral 71 denotes an air purification box, and 72 denotes an outside air introduction box constituting the air purification box 71. The outside air introduction box 72 is formed of a square flat plate, and includes four side plates 73A, 73B, 73C, 73D that form four surfaces, upper, lower, left, and right, a rear plate 73E that closes the rear side, and a door that can be opened and closed on the front side. A box body 73 formed in a rectangular parallelepiped shape by 73F, an outside air introduction port 74 formed in the rear plate 73E and communicating with the outside air suction port 7, a communication hole 75 formed in each side plate 73B, and the communication hole 75 can be opened and closed. The lid 76 is closed. Here, the lid body 76 is a base portion 76A made of a substantially square flat plate.
And a disc-shaped closing portion 76B fixed to one surface of the base portion 76A and removably fitted into the communication hole 75. Note that the base portion 76A and the closing portion 76B may be integrally formed of wood or a synthetic resin material. Further, instead of the lid 76, a rotary shutter may be provided on the box body 73.

Reference numeral 77 denotes a continuous box for purifying outside air and releasing it into the room. Like the outside air introduction box 72, the continuous box 77 is formed of a square flat plate, and includes four frame-shaped side plates 78A, 78B, 78C, 78D surrounding the top, bottom, left and right, and a rear plate closing the rear side. 78E and a box body 78 formed in a rectangular parallelepiped by a door 78F provided to be openable and closable on the front surface, a communication hole 79 formed in each side plate 78A, 78B,..., And a lid body 76 that closes the communication hole 79 so as to be openable and closable. It is composed of. And in the box main body 78, the support stick | rod 80 is constructed and the adsorption body 42 for purification | cleaning is suspended.

Further, as shown in FIG. 15, in addition to the continuous box body 77, a plurality of continuous box bodies 77 having different sizes and shapes are obtained by using the horizontally long continuous box body 81. 81, and can be used as a cabinet. Here, the horizontally long continuous box body 81 is horizontally long by four frame-shaped side plates 82A, 82B, 82C, and 82D that surround the top, bottom, left and right, a rear plate 82E that closes the rear side, and a door 82F that can be opened and closed on the front side. A box body 82 formed in a cubic shape, a communication hole 83 formed in each side plate 82A, 82B,..., And a lid body 76 that closes the communication hole 83 so as to be openable and closable.

  According to the above-described configuration, the air purification box 71 includes one outside air introduction box body 72, a plurality of continuous box bodies 77, and a horizontally long continuous box body 81 according to selection arranged vertically and horizontally. It can be composed in any size and form that fits the indoor space. In this case, the outside air introduction box 72 is in a state where the outside air introduction port 74 is communicated with the outside air suction port 7, and the plurality of continuous box bodies 77, 81 are in a state where the adjacent communication holes 79, 83 are opened, and the other communication The holes 79 and 83 are closed by the lid 76 and arranged in rows and columns to purify the outside air flowing in from the outside air introduction port 74 as shown in FIG. These communication holes 79 and 83 can be used as purified air discharge ports to form a flow path that discharges into the house body 1.

  Further, FIG. 17 relates to the seventh embodiment and shows a configuration in which an air purification system is provided in a naturally ventilated building. In the figure, 91 is a house body constituting the building, and the house body 91 has the same structure as the house body 1 according to the first embodiment, but each room 5A, 5C, 5D has natural ventilation. Are provided on the outer wall 3B.

Reference numeral 93 denotes an outside air suction port provided in the outer wall 3B for introducing outside air from the room 5C into the room, and the outside air suction port 93 is provided with a ventilation fan 94. The air purification box 14 is installed in the room 5C in a state where the outside air inlet port 17 is communicated with the outside air suction port 93.

  According to the present embodiment, the natural ventilation type house main body 91 is also provided with the outside air suction port 93 having the ventilation fan 94 and the air purification box 14 is installed, so that the house is operated in the same manner as in the first embodiment. The air in the main body 91 can be purified and ventilated to remove off-flavors and moisture.

1 and 4 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory diagram of an air purification system installed in a building. It is explanatory drawing of the air purification box arrange | positioned indoors. It is a side view which fractures | ruptures and shows a part of air purification box. It is a front view which shows the internal structure of an air purification box. 5 and 7 relate to the second embodiment, and FIG. 5 is a perspective view showing the internal configuration of the air purification box. It is a perspective view of an obstruction board. It is a perspective view of the support body shown upside down. 8 and 9 relate to the third embodiment, and FIG. 8 is a front view showing the internal configuration of the air purification box. It is explanatory drawing of a support body and the adsorption body for purification | cleaning. It is a perspective view which shows the internal structure of the air purification box which concerns on 4th Embodiment. It is a perspective view which shows the support body which concerns on 5th Embodiment upside down. 12 to 16 relate to the sixth embodiment, and FIG. 12 is a perspective view of an air purification box showing a part of the internal configuration. It is a front view which shows the internal structure of the external air introduction box which comprises an air purification box, and a connection box. It is a perspective view which shows the structure and lid body of a continuous box. It is a perspective view which shows the structure of a horizontally long continuous box. It is a perspective view which shows the flow path of an air purification box. It is explanatory drawing of the air purification system in a building which concerns on 7th Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,91 House body 7 Outside air inlet port 8, 94 Ventilation fan 9 Exhaust port 14, 31, 51, 71 Air purification box 15 Box body 17, 74 Outside air introduction port 18, 32, 33 Purified air discharge port 20, 35, 41 , 55 Support bodies 20A, 36A Ventilation portions 21, 42 Adsorption body for purification 34 Closure plate (blocking means)
37 Shutter 52 Partition plate 53 Purification chamber 54 Storage chamber 72 Outside air introduction box bodies 73F, 78F, 82F Doors 75, 79, 83 Communication holes 77, 80 Continuous box body 92 Intake / exhaust ventilation port 93 Outside air suction port

Claims (9)

  The building has an outside air inlet and an exhaust port. The building is forcibly ventilated by pushing outside air with a ventilation fan. The building has an outside air inlet on the upper side and a purified air outlet on the lower side. An air purification box containing a purification adsorbent composed of a material is installed in a state where the outside air inlet is in communication with the outside air inlet, and the outside air pushed from the outside air inlet by the ventilation fan is purified. An air purification system in a building that is flowed into a box, purified by the purification adsorbent, and discharged from the purified air discharge port into the building.   Air purification that has an outdoor air introduction port on the upper side and a purified air discharge port on the lower side inside the building that is naturally ventilated by the intake and exhaust ventilation ports, and contains a purification adsorbent made of microporous fired material inside. A box is installed in a state where the outside air inlet port is communicated with an outside air suction port provided in the building, and the outside air pushed by a ventilation fan provided in the outside air suction port is caused to flow into the air purification box to perform the purification. An air purification system in a building that is purified by an adsorbent for use and discharged into the building from the purified air discharge port. The air purification box includes a box body defined by a partition plate in a rear chamber and a storage chamber that can be opened and closed by a door, and an upper side of the box body in communication with the purification chamber. An external air inlet provided in the purification chamber, a purified air discharge port provided on the lower side of the box body in communication with the purification chamber, and a support provided in the purification chamber. The air purification system according to claim 1 or 2, wherein the body is supported. The air purification box is provided with a purified air discharge port in a state of being spaced apart from each other on the lower side, and each of the purified air discharge ports is configured to be openable and closable by a closing means. Item 1. The air purification system in a building according to item 1, 2 or 3.   In the air purification box, a plate-like support body in which a ventilation portion communicating with the outside air introduction port and the purified air discharge port is formed on one side in the longitudinal direction is disposed upside down. The indoor air purification system according to claim 4.   A support plate having a ventilation portion communicating with the outside air inlet and the purified air discharge port in the air purification box, and a shutter provided to be displaceable on the support plate so as to adjust the ventilation portion to an arbitrary opening area. 4. A building interior air purification system according to claim 1, wherein a variable support body comprising:   The air purification system in a building according to claim 1 or 2, wherein the purification adsorbent is housed in a suspended state on a support provided in the air purification box.   The air purification system for a building according to claim 1 or 2, wherein the purification adsorbent is a breathable bag filled with a microporous carbide flake, granule, powder or a mixture thereof. .   The air purification box has an outside air introduction port communicating with the outside air suction port on the rear surface, a communication hole that can be closed on the side surface, an outside air introduction box body that can be opened and closed by a door on the front surface, The outside air introduction box body has a communication hole that can be closed on the side surface, and a front surface formed in a box shape that can be opened and closed by a door, and a plurality of continuous box bodies that contain a purification adsorbent inside. By placing the outside air inlet in communication with the outside air inlet, the plurality of connecting boxes are in a state in which adjacent communicating holes are open, and the other communicating holes are closed, and are arranged vertically and horizontally. The outside air flowing in from the outside air introduction port is purified, and the communication hole of at least one continuous box is discharged into the building as a purified air discharge port. Air purification system in the building.

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