CN215175813U

CN215175813U - Air purification system

Info

Publication number: CN215175813U
Application number: CN202121462071.5U
Authority: CN
Inventors: 闫桂宾
Original assignee: Jinmao Green Building Technology Co Ltd
Current assignee: Jinmao Green Building Technology Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an air purification system, it includes: the purifying machine shell is provided with a first air inlet and a first air outlet which are communicated with the indoor space of a building, and a second air inlet and a second air outlet which are communicated with the outdoor space; the adsorption filter box is positioned in the purifying machine shell, and a heating device is arranged in the purifying machine shell; the four switch valves are respectively used for controlling the first air inlet, the first exhaust port, the second air inlet and the second exhaust port to communicate or isolate the interior of the purification shell with the outside; and a control device. The utility model provides a current air purification equipment energy consumption and the higher problem of cost.

Description

Air purification system

Technical Field

The utility model relates to an air purification field, in particular to air purification system.

Background

In recent years, as the airtightness of buildings is improved, the problem of indoor air pollution is becoming more serious. The indoor air pollution is mainly indoor carbon dioxide pollution and indoor CO in addition to decoration, building materials and coatings₂The main source is carbon dioxide emitted by the person himself. Every person discharges about 200-3200L of carbon dioxide at night every day, 10 hours after closing the door and window, the indoor carbon dioxide is 3-7 times outdoor, if the room is a multi-person room, the room is more serious, the indoor CO2 concentration is very low (less than 0.07 percent) under normal conditions, and the human body feels good. When people gather and fuel burns, and the like, indoor CO is generated₂When the concentration is increased to 0.15%, the human body feels a great discomfort. Thus, efficient control of indoor CO₂Concentration is an important issue in the field of air purification of buildings at present.

The current market generally adopts the physical mode of fresh air replacement for the removal mode of indoor CO 2. The fresh air replacement mode has the following technical problems: 1. the heating ventilation equipment and the pipeline occupy large area of a machine room, so that the investment of an owner in a non-human-living environment is large; 2. replacement of CO by fresh air₂Harmful gas causes large energy consumption of heating equipment; 3. the long-term purification of the fresh outdoor air leads to shortened service life of the filter and the equipment. Therefore, the air purification equipment which can reduce the concentration of indoor CO2 without fresh air replacement is provided, so that the fresh air volume is reduced, and the energy consumption and the cost of the air purification equipment can be reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the higher problem of current air purification equipment energy consumption and cost.

To the technical problem mentioned above, the utility model provides a following technical scheme:

an air purification system, comprising: the purifying machine shell is provided with a first air inlet and a first air outlet which are communicated with the indoor space of a building, and a second air inlet and a second air outlet which are communicated with the outdoor space; the adsorption filter box is positioned in the purifying machine shell, and a heating device is arranged in the purifying machine shell; the four switch valves are respectively used for controlling the first air inlet, the first exhaust port, the second air inlet and the second exhaust port to communicate or isolate the interior of the purification shell with the outside; the control device is used for controlling the opening and closing valves at the first air inlet and the first air outlet to be opened and the closing and closing valves at the second air inlet and the second air outlet to be closed, and air in a building room enters the purifying shell through the first air inlet, is filtered by the adsorption filter box and then enters the building room through the second air outlet; the control device is also used for controlling the switch valves at the first air inlet and the first air outlet to be closed and the switch valves at the second air inlet and the second air outlet to be opened, and controlling the heating device to be started, so that harmful gas is released from the adsorption filter box and then is discharged outdoors.

The utility model discloses an among the partial implementation mode, the purifying housing reaches through first division board adsorb the filter cartridge and separate into the air inlet cavity and the cavity of airing exhaust, first air intake reaches the second air intake install in air inlet cavity side, first exhaust opening reaches the second air exit install in air exhaust cavity side, set up the exhaust fan in the cavity of airing exhaust, the exhaust fan set up in being close first exhaust opening with the position department of second air exit.

In some embodiments of the present invention, a gas concentration sensor is disposed in a region close to the first exhaust port in the exhaust chamber, and when a detection value of the gas concentration sensor is smaller than a set threshold, the control device controls the opening and closing valves at the first air inlet and the first exhaust port to be opened and the opening and closing valves at the second air inlet and the second exhaust port to be closed; when the detection value of the gas concentration sensor is greater than or equal to a set threshold value, the control device controls the switch valves at the first air inlet and the first air outlet to be closed and the switch valves at the second air inlet and the second air outlet to be opened, and controls the heating device to be started.

The utility model discloses an among the partial implementation mode, adsorb the filter cartridge and be square box body, adsorb the filter cartridge install in on the diapire of purifying housing.

The utility model discloses an among the partial implementation mode, adsorb the filter cartridge include both sides open-ended framework and connect respectively in the first separation net and the second separation net of framework both sides opening part, heat regeneration adsorbing material is located first separation net with between the second separation net, first separation net is located the air inlet cavity, the second separation net is located the cavity of airing exhaust.

The utility model discloses an among the partial implementation, be equipped with a plurality of regular spread's net pore in the framework, it is a plurality of the net pore forms and is used for holding heat regeneration adsorbing material's ventilation cavity.

The utility model discloses an among the partial implementation mode, adsorb the filter cartridge and include both sides open-ended framework, be equipped with a plurality of regular spread's net pore in the framework, be equipped with on the net pore wall heat regeneration adsorbing material's coating.

The utility model discloses an among the some embodiments, the cross section in net pore is the hexagon, a plurality of hexagons net pore forms cellular passageway.

The utility model discloses an in some embodiments, the ooff valve including install in first ooff valve on the first air intake, install in second ooff valve on the first air exit and install in third ooff valve on the second air exit.

The utility model discloses an among the partial implementation, be equipped with the second division board in the air inlet chamber, the second division board will first air intake with the second air intake is kept apart, the ooff valve still including install in fourth ooff valve on the second division board, the fourth ooff valve with be equipped with between the second air intake heating device.

The technical scheme of the utility model prior art relatively has following technological effect:

the air purification system provided by the utility model can be switched between a first working state and a second working state, in the first working state, the indoor air of a building enters the purification shell through the first air inlet, and enters the indoor air of the building through the second air outlet after being filtered by the adsorption filter box, so that the indoor harmful gas is filtered; when the harmful gas in the adsorption filter box is saturated, the air purification system is in a second working state, so that the temperature in the purification machine shell is raised, and the harmful gas is gradually released from the adsorption filter box and is discharged to the outside of the building from the purification machine shell. This air purification system is at the circulation operation between first operating condition, the second operating condition, has realized the purification of room air, and this air purification system can reduce the fresh air volume intake to reduce the produced energy consumption of warm logical air conditioning equipment for overcoming the new trend, simultaneously, this air purification system adopts the absorption filter cartridge that has heat regeneration filtering material, makes CO₂After the adsorption is saturated, the adsorption filter box is regenerated by heating, so that the service life of the adsorption filter box is prolonged, and the cost is reduced.

Drawings

The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a system diagram of an embodiment of an air purification system according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of an adsorption filter cartridge in an air purification system provided by the present invention;

fig. 3 is a sectional view taken along line a-a in fig. 2.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1 shows a specific embodiment of the air purification system provided by the present invention, which is used for air purification treatment of a relatively closed building to reduce harmful gases such as carbon dioxide in the indoor air of the building.

This air purification system includes: the air purifier comprises a purifying shell 10, wherein a first air inlet 11 and a first air outlet 12 which are communicated with the indoor space of a building and a second air inlet 13 and a second air outlet 14 which are communicated with the outdoor space are arranged on the purifying shell 10, the first air inlet 11 is communicated with an indoor return air inlet of the building, and the first air outlet 12 is communicated with an indoor air inlet of the building; for controlling the first air inlet 11, the first air outlet 12, the second air inlet 13 and the second air outletFour switch valves at the air outlet 14 for communicating or isolating the interior of the purifying casing 10 with the outside; an adsorption filter cartridge 30 and a heating device 40 positioned inside the purification casing 10, wherein a heat regeneration adsorption material is arranged in the adsorption filter cartridge 30; the thermal regeneration adsorption material comprises one or more combinations of molecular sieve, activated carbon, carbon nano tube, synthetic zeolite, porous alumina and metal organic framework, wherein the thermal regeneration adsorption material can adsorb CO₂And after being heated to the set temperature, the adsorbing material can release the harmful gas adsorbed on the adsorbing material, so that the adsorbing material is regenerated.

The air purification system further comprises a control device, when the air purification system is in a first working state, the control device controls the switch valves at the first air inlet 11 and the first air outlet 12 to be opened, and the switch valves at the second air inlet 13 and the second air outlet 14 to be closed, so that air in a building room enters the purification machine shell 10 through the first air inlet 11, and enters the building room through the second air outlet 14 after being filtered by the adsorption filter box 30, and the filtration of indoor harmful gas is realized; when the harmful gas in the adsorption filter box 30 is saturated, the air purification system is in a second working state, at this time, the control device controls the switch valves at the first air inlet 11 and the first air outlet 12 to be closed, and the switch valves at the second air inlet 13 and the second air outlet 14 to be opened, and controls the heating device 40 to be started, so that the temperature in the purification case 10 is raised, and the harmful gas is gradually released from the adsorption filter box 30 and discharged from the purification case 10 to the outside of the building. This air purification system circulates between first operating condition, second operating condition and moves, has realized the purification of room air, and this air purification system can reduce the fresh air intake to reduce the produced energy consumption of warm logical air conditioning equipment for overcoming the new trend, simultaneously, this air purification system adopts the absorption filter cartridge 30 that has heat regeneration filter material, makes CO₂After the adsorption is saturated, the adsorption filter cartridge 30 is regenerated by heating, so that the service life is prolonged, and the cost is reduced.

Specifically, in order to enable the gas entering the purifying casing 10 to flow to the air outlet after passing through the adsorption filter cartridge 30, the purifying casing 10 is divided into an air inlet chamber 10a and an air outlet chamber 10b by the first partition plate 15 and the adsorption filter cartridge 30, the first air inlet 11 and the second air inlet 13 are installed at the air inlet chamber 10a side, and the first air outlet 12 and the second air outlet 14 are installed at the air outlet chamber 10b side, so that the gas enters the air inlet chamber 10a of the purifying casing 10 from the first air inlet 11 or the second air inlet 13, enters the air outlet chamber 10b through the adsorption filter cartridge 30, and is discharged outside the purifying casing 10 through the first air outlet 12 and the second air outlet 14.

More specifically, the adsorption filter cartridge 30 is installed on the bottom wall of the purification casing 10, the adsorption filter cartridge 30 is a square cartridge, the gas flowing direction of the adsorption filter cartridge 30 is set along the horizontal direction, the first partition plate 15 is installed between the upper wall of the adsorption filter cartridge 30 and the top wall of the purification casing 10, and the first partition plate and the second partition plate divide the purification casing 10 into an air inlet chamber 10a and an air exhaust chamber 10b which are arranged on the left and right.

Specifically, an exhaust fan 60 is disposed in the exhaust chamber 10b, and the exhaust fan 60 is disposed at a position close to the first exhaust port 12 and the second exhaust port 14. More specifically, the first exhaust opening 12 and the second exhaust opening 14 are located on the same side of the purifying casing 10 and spaced apart from each other at a short distance. Thus, efficient flow guiding can be realized only by arranging one exhaust fan 60 in the exhaust chamber 10 b.

Specifically, a gas concentration sensor 50 is provided in the exhaust chamber 10b in a region close to the first exhaust port 12, and the gas concentration sensor 50 is used to detect the concentration of a harmful gas, such as carbon dioxide, at the first exhaust port 12 after passing through the adsorption filter cartridge 30. When the detection value of the gas concentration sensor 50 is smaller than a set threshold value, that is, the concentration of the carbon dioxide discharged into the building room is lower, at this time, the air purification system is made to work in a first working state for cyclic purification, that is, the control device controls the on-off valves at the first air inlet 11 and the first air outlet 12 to be opened, and the on-off valves at the second air inlet 13 and the second air outlet 14 to be closed; when the detection value of the gas concentration sensor 50 is greater than or equal to the set threshold value, the adsorption filter cartridge 30 is saturated with harmful gas, and at this time, the air purification system is enabled to release and discharge gas in the second working state, that is, the control device controls the on-off valves at the first air inlet 11 and the first air outlet 12 to be closed and the on-off valves at the second air inlet 13 and the second air outlet 14 to be opened, and controls the heating device 40 to be started, so that the temperature in the purification enclosure 10 is raised, and the harmful gas is gradually released from the adsorption filter cartridge 30 and discharged from the purification enclosure 10 to the outside of the building. It is also possible to judge the condition of the gas entering the room of the building in advance by providing the gas concentration sensor 50 at the position of the first exhaust port 12.

Specifically, the on-off valves include a first on-off valve 21 installed on the first air inlet 11, a second on-off valve 22 installed on the first air outlet 12, and a third on-off valve 23 installed on the second air outlet 14.

Be equipped with second division board 16 in the air inlet cavity 10a, second division board 16 will first air intake 11 with second air intake 13 is kept apart, the ooff valve still including install in fourth ooff valve 24 on the second division board 16, fourth ooff valve 24 with be equipped with between the second air intake 13 heating device 40. Through setting up heating device 40 between second division board 16 and second air intake 13, it can make air purification system during operation under first operating condition, can directly pass through the gas of first air intake 11 adsorb filter cartridge 30, and need not walk around heating device 40 and pass through adsorb filter cartridge 30, make its windage lower, and cycle efficiency is higher.

More specifically, the lower end of the second separation plate 16 is mounted on the upper end surface of the adsorption filter cartridge 30, the upper end of the second separation plate 16 is connected to the top wall of the purification casing 10, the second separation plate 16 is disposed opposite to the first separation plate 15 at a distance, the heating device 40 is mounted on the first separation plate 15 and the second separation plate 16, and the heating surface of the heating device 40 is disposed opposite to the second air inlet 13, so that the air entering the purification casing 10 from the second air inlet 13 is rapidly heated and enters the adsorption filter cartridge 30 after passing through the first on-off valve 21, so that the harmful gas in the thermal regeneration adsorption material is released as soon as possible.

The adsorption filter cartridge 30 has a non-exclusive structure, as shown in fig. 2 and 3, in one embodiment, the adsorption filter cartridge 30 includes a frame 301 having openings on two sides, and a first isolation net 302 and a second isolation net 303 connected to the openings on two sides of the frame 301, respectively, the thermal regeneration adsorption material is located between the first isolation net 302 and the second isolation net 303, the first isolation net 302 is located on the air intake chamber 10a side, and the second isolation net 303 is located on the air exhaust chamber 10b side. More specifically, the frame 301 is formed into a square frame 301 structure, and the first isolation mesh 302 and the second isolation mesh 303 are formed into a metal mesh plate structure.

In order to improve the adsorption effect of the thermal regeneration adsorption material in the adsorption filter cartridge 30, a plurality of regularly arranged grid channels 304 are provided in the frame body 301, and the plurality of grid channels 304 form a ventilation chamber for accommodating the thermal regeneration adsorption material. By arranging the regularly arranged grid pore channels 304, the heat regeneration adsorption material is uniformly arranged in the adsorption filter box 30, the adsorption quantity passing through different positions of the adsorption filter box 30 is uniform, and the problem that the adsorption efficiency of the adsorption filter box 30 is reduced due to the fact that the heat regeneration material is unevenly distributed is avoided.

More specifically, the cross section of the mesh duct 304 is hexagonal, a plurality of hexagonal mesh ducts 304 form a honeycomb-shaped channel, and the honeycomb-shaped channel ensures the effective volume in the adsorption filter cartridge 30 on the premise of ensuring the strength of the mesh duct 304, thereby improving the adsorption efficiency of the adsorption filter cartridge 30.

In another embodiment, the adsorption filter cartridge 30 includes a frame 301 with openings on two sides, a plurality of regularly arranged grid channels 304 are disposed in the frame 301, and a coating layer of the thermal regeneration adsorption material is disposed on the walls of the grid channels 304. More specifically, the frame 301 and the mesh duct 304 are integrally formed by a metal material or a plastic, and the thermal regeneration adsorption material layer is prepared on the side wall of the mesh duct 304 by spraying or the like. The structure of the adsorption filter cartridge 30 can make the air resistance smaller when the air flows, and accelerate the air circulation.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An air purification system, comprising:

the purifying machine shell is provided with a first air inlet and a first air outlet which are communicated with the indoor space of a building, and a second air inlet and a second air outlet which are communicated with the outdoor space;

the adsorption filter box is positioned in the purifying machine shell, and a heating device is arranged in the purifying machine shell;

the four switch valves are respectively used for controlling the first air inlet, the first exhaust port, the second air inlet and the second exhaust port to communicate or isolate the interior of the purification shell with the outside;

the control device is used for controlling the opening and closing valves at the first air inlet and the first air outlet to be opened and the closing and closing valves at the second air inlet and the second air outlet to be closed, and air in a building room enters the purifying shell through the first air inlet, is filtered by the adsorption filter box and then enters the building room through the second air outlet; the control device is also used for controlling the switch valves at the first air inlet and the first air outlet to be closed and the switch valves at the second air inlet and the second air outlet to be opened, and controlling the heating device to be started, so that harmful gas is released from the adsorption filter box and then is discharged outdoors.

2. The air purification system of claim 1, wherein the purification housing is separated into an air inlet chamber and an air outlet chamber by a first separation plate and the adsorption filter box, the first air inlet and the second air inlet are installed on the air inlet chamber side, the first air outlet and the second air outlet are installed on the air outlet chamber side, an exhaust fan is arranged in the air outlet chamber, and the exhaust fan is arranged at a position close to the first air outlet and the second air outlet.

3. An air cleaning system according to claim 2, wherein a gas concentration sensor is disposed in the air exhaust chamber in a region close to the first air exhaust port, and when a detection value of the gas concentration sensor is smaller than a set threshold value, the control device controls the on-off valves at the first air intake port and the first air exhaust port to be opened and the on-off valves at the second air intake port and the second air exhaust port to be closed; when the detection value of the gas concentration sensor is greater than or equal to a set threshold value, the control device controls the switch valves at the first air inlet and the first air outlet to be closed and the switch valves at the second air inlet and the second air outlet to be opened, and controls the heating device to be started.

4. The air purification system of claim 2, wherein the adsorption filter cartridge is a square cartridge body, and the adsorption filter cartridge is mounted on the bottom wall of the purification housing.

5. The air purification system according to claim 4, wherein the adsorption filter box comprises a frame body with openings on two sides, and a first isolation net and a second isolation net which are respectively connected to the openings on two sides of the frame body, the heat regeneration adsorption material is located between the first isolation net and the second isolation net, the first isolation net is located in the air inlet chamber, and the second isolation net is located in the air exhaust chamber.

6. The air purification system of claim 5, wherein a plurality of regularly arranged grid openings are formed in the frame body, and the plurality of grid openings form a ventilation chamber for accommodating the thermal regeneration absorbent material.

7. The air purification system according to claim 4, wherein the adsorption filter cartridge comprises a frame body with openings at two sides, a plurality of regularly arranged grid pore channels are arranged in the frame body, and a coating of the thermal regeneration adsorption material is arranged on the wall of each grid pore channel.

8. An air purification system as claimed in claim 6 or 7, wherein the cross-section of the cell channels is hexagonal, and a plurality of hexagonal cell channels form honeycomb channels.

9. The air purification system as claimed in claim 1, wherein the switch valve includes a first switch valve installed on the first air inlet, a second switch valve installed on the first air outlet, and a third switch valve installed on the second air outlet.

10. The air purification system of claim 2, wherein a second partition plate is disposed in the air inlet chamber, the second partition plate separates the first air inlet from the second air inlet, the switch valve further comprises a fourth switch valve mounted on the second partition plate, and the heating device is disposed between the fourth switch valve and the second air inlet.