CN217092637U - Indoor air purification device capable of being cleaned on line - Google Patents

Indoor air purification device capable of being cleaned on line Download PDF

Info

Publication number
CN217092637U
CN217092637U CN202122095117.0U CN202122095117U CN217092637U CN 217092637 U CN217092637 U CN 217092637U CN 202122095117 U CN202122095117 U CN 202122095117U CN 217092637 U CN217092637 U CN 217092637U
Authority
CN
China
Prior art keywords
filter
washing tank
primary
air
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122095117.0U
Other languages
Chinese (zh)
Inventor
王国东
韩娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dezhizhao Technology Suzhou Co ltd
Original Assignee
Dezhizhao Technology Suzhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dezhizhao Technology Suzhou Co ltd filed Critical Dezhizhao Technology Suzhou Co ltd
Priority to CN202122095117.0U priority Critical patent/CN217092637U/en
Application granted granted Critical
Publication of CN217092637U publication Critical patent/CN217092637U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model relates to an air purification device, in particular to an indoor air purification device which can be cleaned on line, comprising a primary filter unit, a precise filter unit and an electric control system; the primary filtering unit is connected with the precise filtering unit through a pipeline, and the electric control system is electrically connected with the primary filtering unit and the precise filtering unit; the primary filtering unit comprises a primary filter and a first liquid storage device, a primary filter cover covered on the primary filter, a differential pressure sensor arranged on the primary filter cover, and a first spray header group connected with the first liquid storage device in the first washing box; the precise filtering unit comprises a precise filter and a second liquid storage device, a precise filter cover covered outside the precise filter, an organic matter content sensor arranged on the precise filter cover, and a second spray head group connected with the second liquid storage device in the second washing box. Compared with the prior art, the utility model discloses but the automated inspection filter core service degree is washd, improves dust in the air, volatile organic compounds and bacterial virus's long-term treatment and killing ability.

Description

Indoor air purification device capable of being cleaned on line
Technical Field
The utility model relates to an air purification device, concretely relates to but online cleaning's indoor air purification device.
Background
In some rooms or automobiles in life or work and offices, air generally contains volatile organic matters such as dust and formaldehyde, the existence of the substances causes harm to human bodies to a certain extent, generally, an air purifier is adopted to filter and adsorb the harmful substances from the air, but a filter element used for filtering and adsorbing in the process is filled with the dust after being used for a certain time, and cannot be adsorbed continuously, so that the filter element needs to be replaced regularly, the performance of the air purifier is prevented from being influenced, and secondary pollution to the environment can be prevented.
At present, filter elements of commercially available air purifiers usually filter dust by using filter elements made of non-woven fabrics, and filter elements made of active carbon as a harmful gas adsorbing material adsorb organic substances in air. However, these filter elements are all disposable, and when the adsorption is saturated, the filter elements need to be replaced by new ones, and the purpose of recycling can not be achieved by the filter elements. The air purifier is directly discarded after being used, so that the use cost is continuously increased, the manual input in maintenance is brought, and meanwhile, the air purifier only can filter bacteria and viruses in the air and cannot play a corresponding role in killing the bacteria and viruses in the air. And the process of replacing the filter element is not only troublesome to operate, but also can cause dust to scatter and fly, thus causing secondary pollution to the environment and the air.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving at least one of the above-mentioned problem and providing a but online cleaning's indoor air purification device, realized the automated inspection and the washing of filter core to reach filter core ability cyclic utilization, reduce air purification device's maintenance input, and improve air purification's quality, realize removing dust, volatile organic compounds in the de aeration and exterminate the purpose of bacterium virus in the air.
The purpose of the utility model is realized through the following technical scheme:
an indoor air purification device capable of being cleaned on line comprises a primary filtering unit and a precise filtering unit;
the primary filtering unit comprises a first washing tank and a first liquid storage device; the first washing box comprises a primary filter, a primary filter cover covered outside the primary filter, a differential pressure sensor arranged on the wall of the primary filter cover, and a first spray header group arranged in the first washing box and connected with the first liquid storage device;
the precise filtering unit comprises a second washing box and a second liquid storage device; the second washing tank comprises a precision filter, a precision filter cover covered outside the precision filter, an organic matter content sensor arranged on the wall of the precision filter cover, and a second spray head group arranged in the second washing tank and connected with a second liquid storage device.
Preferably, the first washing tank is provided with a first air inlet and a first air outlet, and the second washing tank is provided with a second air inlet and a second air outlet; air enters the first washing box through the first air inlet, is discharged from the first air outlet after being filtered by the primary filter, enters the second washing box through the second air inlet along a pipeline connecting the first air outlet and the second air inlet, is discharged from the second air outlet after being filtered by the precision filter, and realizes the filtration of dust and volatile organic compounds in the air.
Preferably, a fan is further arranged on the pipeline of the first air outlet connected with the second air inlet, and the fan can realize the suction of air to be purified and the discharge of purified air.
Preferably, the first shower head group comprises a plurality of shower heads which are respectively arranged inside the primary filter and between the primary filter and the primary filter cover, and the inner side and the outer side surfaces of the primary filter can be cleaned.
Preferably, the second spray header group comprises a plurality of spray headers which are respectively arranged in the precision filter and between the precision filter and the precision filter cover, so that the inner side surface and the outer side surface of the precision filter can be cleaned.
Preferably, the air purification device further comprises a first electric pump respectively arranged on a pipeline between the first washing tank and the first liquid storage device, and a second electric pump arranged on a pipeline between the second washing tank and the second liquid storage device, and the first electric pump is used for uniformly pumping the liquid in the first liquid storage device and/or the second liquid storage device into the spray header with a certain pressure, so that the effect of better cleaning the primary filter and/or the precision filter is achieved.
Preferably, the pipeline between the first electric pump and the first reservoir and the pipeline between the second electric pump and the second reservoir are further provided with water inlet pipelines for respectively mixing with the liquid in the first reservoir and/or the second reservoir to form cleaning liquid with different concentrations for use under different conditions.
Preferably, the first reservoir and the second reservoir are both provided with liquid level sensors, so that when the cleaning liquid in the first reservoir or the second reservoir is insufficient, a user is prompted to add corresponding cleaning liquid.
Preferably, the cleaning solution stored in the first reservoir is 2% sodium bicarbonate solution.
Preferably, the cleaning liquid stored in the second reservoir is 2% hydrogen peroxide solution.
Preferably, the first washing tank and the second washing tank are respectively provided with at least one sewage draining outlet for draining the washing sewage in the first washing tank and/or the second washing tank.
Preferably, the precision filter is an activated carbon precision filter.
Preferably, a first electromagnetic valve and a second electromagnetic valve are respectively arranged on a pipeline between the water inlet pipeline and the first liquid storage device and a pipeline between the water inlet pipeline and the second liquid storage device and used for controlling whether the cleaning liquid passes or not; a plurality of first sewage discharge electromagnetic valves and second sewage discharge electromagnetic valves are respectively arranged on the drain pipes connected with the sewage outlets of the first washing tank and the second washing tank and used for controlling whether the washing sewage is discharged or not; the electromagnetic valve is electrically connected with the electric control system, and the electric control system controls the opening and closing of the pipeline.
Preferably, the indoor air purification device can be automatically controlled through an electric control system, the electric control system can be a computer or a microcomputer or a PID controller, the electric control system is connected with valves, pumps, fans and the like on the fluid inlets and the fluid outlets, the opening and the closing of each component are automatically controlled, and automatic purification and automatic online cleaning are achieved.
Preferably, the electronic control system can further comprise a display screen and an indicator light, so that the electronic control system is convenient for a user to use.
The utility model discloses a theory of operation does:
air enters the first washing box through the first air inlet by the fan, is filtered by the primary filter (dust filtration) and then is discharged from the first air outlet, enters the second washing box through the second air inlet by the pipeline connecting the first air outlet and the second air inlet, is filtered by the precision filter (volatile organic compounds filtration) and then is discharged from the second air outlet, and the filtered and purified air is discharged out of the air purification device by the fan.
When the differential pressure sensor detects that the negative pressure in the primary filter cover reaches a set value (which can be adjusted by a user), the electronic control system judges that the dust deposition condition in the primary filter reaches a state needing cleaning, and sends a cleaning signal. And opening the first electromagnetic valve, opening the first electric pump, conveying the mixed solution of the 2% sodium bicarbonate solution and the water stored in the first liquid storage device to the spray header through a pipeline, and spraying and cleaning the inner side and the outer side surfaces of the primary filter. Cleaning for about 30s (adjustable by a user), simultaneously opening all the first sewage discharge electromagnetic valves in the cleaning process, discharging the washing sewage into the sewage pipe network system, and closing the first electromagnetic valves after cleaning is finished. After a further 30s (adjustable by the user), the first electric pump is switched off. After a further 60s (adjustable by the user), all the first decontamination solenoid valves are closed, completing the cleaning of the inside and outside surfaces of the primary filter.
When the organic matter content sensor detects that the content of the organic matters in the air in the precision filter cover reaches a set value (can be adjusted by a user), the electronic control system judges that the precision filter reaches a state needing to be cleaned and sends a cleaning signal. And opening the second electromagnetic valve, opening the second electric pump, conveying the mixed liquid of the 2% hydrogen peroxide solution and water stored in the second liquid storage device to the spray header through a pipeline, and spraying and cleaning the inner side and the outer side surfaces of the precision filter. Cleaning for about 30s (adjustable by a user), simultaneously opening all the second sewage discharge electromagnetic valves in the cleaning process, discharging the washing sewage into the sewage pipe network system, and closing the second electromagnetic valves after cleaning is finished. And for another 30s (adjustable by the user), the second electric pump is turned off. And closing all the second blowdown electromagnetic valves for 60 seconds (adjustable by a user) to complete the cleaning of the inner side and outer side surfaces of the precision filter.
When the liquid level in the first liquid storage device and/or the second liquid storage device detected by the liquid level sensor is lower than a set value arranged in the electric control system, a user is prompted to add corresponding cleaning liquid to the first liquid storage device and/or the second liquid storage device through the display screen and the indicator lamp.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the air purification device can automatically detect the adsorption saturation degree of the filter element, automatically clean the filter element according to a set program, and further improve the long-term treatment and killing capacity of dust, volatile organic compounds and bacteria and viruses in the air.
(2) The filter element of the air purification device can be recycled, and the development concept of environmental protection is better met; and the filter element is not required to be taken out when being cleaned, and the cleaning is carried out in a closed pipeline system, so that the problems of secondary pollution or excessive cleaning liquid can be avoided.
(3) The maintenance investment of the air purification device is reduced, the use cost is reduced, the manual operation frequency and the complexity are reduced, and the use experience is improved.
Drawings
FIG. 1 is a schematic connection diagram of the components inside the air purification device of the present invention;
in the figure: 1-a first washing tank; 11-a primary filter; 12-primary filter cap; 13-a differential pressure sensor; 14-a first showerhead group; 15-a first air inlet; 16-a first outlet port; 2-a first reservoir; 3-a second washing tank; 31-a precision filter; 32-precision filter housing; 33-organic content sensor; 34-a second group of showerheads; 35-a second air inlet; 36-a second air outlet; 4-a second reservoir; 5, a fan; 61-a first electric pump; 62-a second electric pump; 7-a liquid level sensor; 81-a first solenoid valve; 82-first drain solenoid valve; 83-a second solenoid valve; 84-a second blowdown solenoid valve; 9-an electronic control system.
Detailed Description
The present invention will be described in more detail with reference to the drawings, in which preferred embodiments of the present invention are shown, and it is to be understood that those skilled in the art can modify the present invention described herein and still achieve the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
In the description of the present invention, it should be noted that various components used are commercially available products or conventional components in the art.
Example 1
An indoor air purification device capable of being cleaned on line is shown in figure 1 and comprises a primary filtering unit, a precise filtering unit and an electric control system 9; the primary filtering unit is connected with the precise filtering unit through a pipeline, and the electric control system 9 is respectively and electrically connected with the primary filtering unit and the precise filtering unit; the primary filtration unit comprises a first washing tank 1 and a first reservoir 2; the first washing tank 1 includes a primary filter 11, a primary filter cover 12 covering the primary filter 11, a differential pressure sensor 13 provided on a wall of the primary filter cover 12, and a first shower head group 14 provided in the first washing tank 1 and connected to the first reservoir 2; the precise filtering unit comprises a second washing tank 3 and a second liquid storage device 4; the second washing tank 3 includes a precision filter 31, in this embodiment, an activated carbon precision filter is selected, a precision filter cover 32 covering the precision filter 31, an organic matter content sensor 33 disposed on the wall of the precision filter cover 32, and a second shower head group 34 disposed in the second washing tank 3 and connected to the second liquid reservoir 4.
More specifically, in the present embodiment:
the first washing tank 1 is provided with a first air inlet 15 and a first air outlet 16, and the second washing tank 3 is provided with a second air inlet 35 and a second air outlet 36; air enters the first washing tank 1 through the first air inlet 15, is filtered by the primary filter 11 and then is discharged from the first air outlet 16, enters the second washing tank 3 through the second air inlet 35 along a pipeline connecting the first air outlet 16 and the second air inlet 35, is filtered by the fine filter 31 and then is discharged from the second air outlet 36, and therefore the filtration of dust and volatile organic compounds in the air is achieved. The pipeline connecting the first air outlet 16 and the second air inlet 35 is also provided with a fan 5, the fan 5 is electrically connected with the electric control system 9, and the suction of the air to be purified and the discharge of the purified air can be realized by acting the fan 5
The first shower head group 14 provided in the first washing tank 1 includes a plurality of shower heads respectively provided inside the primary filter 11 and between the primary filter 11 and the primary filter cover 12, and both connected to the first reservoir 2 through a pipe, and a first electric pump 61 and a first electromagnetic valve 81 are provided on an outer portion of the first washing tank 1 of the pipe, the first electromagnetic valve 81 being located between the first electric pump 61 and the first reservoir 2. A water inlet pipeline is further arranged between the first electric pump 61 and the first electromagnetic valve 81, and the water inlet pipeline can be mixed with cleaning liquid (2% sodium bicarbonate solution) flowing out of the first liquid storage device 2 and then pressed into a spray head through the first electric pump 61 (the concentration and the spray pressure can be adjusted according to requirements), so that the inner side and the outer side surfaces of the primary filter 11 can be cleaned, and the water inlet pipeline can also be directly pressed into the spray head through the first electric pump 61, so that the inner side and the outer side surfaces of the primary filter 11 can be cleaned. At least one drain outlet is also arranged on the first washing box 1, and a first drain electromagnetic valve 82 is respectively arranged on the pipeline connected with each drain outlet and can be used for controlling the discharge of the washed washing sewage.
Close to the inside setting of first washing case 1, the second shower head group 34 that sets up in second washing case 3 includes a plurality of shower head, sets up respectively inside precision filter 31 and between precision filter 31 and elementary filter cover 12, all passes through the pipe connection with second reservoir 4, has set up second electric pump 62 and second solenoid valve 83 on the second washing case 3 outside part of this pipeline, and second solenoid valve 83 is located between second electric pump 62 and the second reservoir 4. A water inlet pipeline is further arranged between the second electric pump 62 and the second electromagnetic valve 83, and the water inlet pipeline can be mixed with cleaning liquid (2% hydrogen peroxide solution) flowing out of the second liquid storage device 4 and then pressed into the spray header through the second electric pump 62 (the concentration and the spray pressure can be adjusted according to requirements), so that the inner side and the outer side surfaces of the precision filter 31 can be cleaned, and the water inlet pipeline can also be directly pressed into the spray header through the second electric pump 62, so that the inner side and the outer side surfaces of the precision filter 31 can be cleaned. At least one sewage draining exit is arranged on the second washing tank 3, and a second sewage draining electromagnetic valve 84 is respectively arranged on the pipeline connected with each sewage draining exit and can be used for draining the washed washing sewage.
First reservoir 2 all is equipped with level sensor 7 with second reservoir 4, can be when the washing liquid in first reservoir 2 or the second reservoir 4 is not enough, and the suggestion user adds corresponding washing liquid.
The electronic control system 9 is attached with a display screen and an indicator light, and is electrically connected with the first electric pump 61, the second electric pump 62, the first electromagnetic valve 81, the second electromagnetic valve 83, the first blowdown electromagnetic valve 82, the second blowdown electromagnetic valve 84, the differential pressure sensor 13, the organic matter content sensor 33, the liquid level sensor 7 and the fan 5, so that the cleaning of the primary filter 11 and the precision filter 31 can be automatically performed according to a built-in program or a program input by a user.
The utility model discloses a theory of operation does:
air enters the first washing tank 1 through the first air inlet 15 by the fan 5, is filtered by the primary filter 11 (dust filtration), is discharged from the first air outlet 16, enters the second washing tank 3 through the second air inlet 35 by a pipeline connecting the first air outlet 16 and the second air inlet 35, is filtered by the fine filter 31 (volatile organic compounds filtration), is discharged from the second air outlet 36, and is discharged from the air purification device through the fan 5 after being filtered and purified.
When the differential pressure sensor 13 detects that the negative pressure in the primary filter cover 12 reaches a set value (adjustable by a user), the electronic control system 9 judges that the ash accumulation condition in the primary filter 11 reaches a state needing cleaning, and sends a cleaning signal. The first electromagnetic valve 81 is opened, the first electric pump 61 is started, the mixed solution of the 2% sodium bicarbonate solution and the water stored in the first liquid storage device 2 is conveyed to the spray header through the pipeline, and the inner side and the outer side surfaces of the primary filter 11 are sprayed and cleaned. Cleaning for about 30s (adjustable by a user), simultaneously opening all the first sewage discharge electromagnetic valves 82 in the cleaning process, discharging the washing sewage into the sewage pipe network system, and closing the first electromagnetic valves 81 after cleaning is finished. After a further 30s (adjustable by the user), the first electric pump 61 is switched off. After a further 60s (adjustable by the user), all the first purge solenoid valves 82 are closed, completing the cleaning of the inside and outside surfaces of the primary filter 11.
When the organic matter content sensor 33 detects that the content of organic matter in the air in the precision filter cover 32 reaches a set value (which can be adjusted by a user), the electronic control system 9 judges that the precision filter 31 reaches a state needing cleaning, and sends a cleaning signal. The second electromagnetic valve 83 is opened, and the second electric pump 62 is started to deliver the mixed liquid of the 2% hydrogen peroxide solution and water stored in the second reservoir 4 to the shower head through the pipeline, and the inner and outer surfaces of the precision filter 31 are subjected to shower cleaning. Cleaning is carried out for about 30s (which can be adjusted by a user), all the second blowdown electromagnetic valves 84 are opened simultaneously in the cleaning process, the washing sewage is discharged into the sewage pipe network system, and after the cleaning is finished, the second electromagnetic valves 83 are closed. And then 30 seconds later (adjustable by the user), the second electric pump 62 is turned off. After a further 60 seconds (which may be adjusted by the user), all of the second blowdown solenoid valves 84 are closed, completing the cleaning of the inside and outside surfaces of the precision filter 31.
When the liquid level in the first liquid reservoir 2 and/or the second liquid reservoir 4 detected by the liquid level sensor 7 is lower than a set value set in the electronic control system 9, a user is prompted to add corresponding cleaning liquid to the first liquid reservoir 2 and/or the second liquid reservoir 4 through a display screen and an indicator lamp.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should understand that all the improvements and modifications made without departing from the scope of the present invention according to the disclosure of the present invention should be within the protection scope of the present invention.

Claims (10)

1. An indoor air purification device capable of being cleaned on line is characterized by comprising a primary filtering unit and a precise filtering unit;
the primary filtration unit comprises a first washing tank (1) and a first reservoir (2); the first washing tank (1) comprises a primary filter (11), a primary filter cover (12) covered outside the primary filter (11), a differential pressure sensor (13) arranged on the wall of the primary filter cover (12), and a first spray header group (14) arranged in the first washing tank (1) and connected with the first liquid storage device (2);
the precise filtering unit comprises a second washing tank (3) and a second liquid storage device (4); the second washing tank (3) comprises a precision filter (31), a precision filter cover (32) covered outside the precision filter (31), an organic matter content sensor (33) arranged on the wall of the precision filter cover (32), and a second spray head group (34) arranged in the second washing tank (3) and connected with the second liquid storage device (4).
2. An indoor air cleaning apparatus capable of being cleaned on line as claimed in claim 1, wherein said first washing tank (1) is provided with a first air inlet (15) and a first air outlet (16), and said second washing tank (3) is provided with a second air inlet (35) and a second air outlet (36); air enters the first washing box (1) through the first air inlet (15), is discharged from the first air outlet (16) after being filtered by the primary filter (11), enters the second washing box (3) through the second air inlet (35) along a pipeline connecting the first air outlet (16) and the second air inlet (35), and is discharged from the second air outlet (36) after being filtered by the precision filter (31).
3. An indoor air purification device capable of being cleaned on line as claimed in claim 2, wherein the pipeline connecting the first air outlet (16) and the second air inlet (35) is further provided with a fan (5).
4. An indoor air cleaning device capable of being cleaned on line as claimed in claim 1, wherein said first shower head group (14) comprises a plurality of shower heads respectively disposed inside the primary filter (11) and between the primary filter (11) and the primary filter cover (12).
5. An on-line cleanable indoor air purification device as claimed in claim 1, wherein said second shower head group (34) comprises a plurality of shower heads respectively disposed inside the fine filter (31) and between the fine filter (31) and the fine filter cover (32).
6. An indoor air cleaning apparatus capable of on-line cleaning according to claim 1, further comprising a first electric pump (61) disposed on a pipeline between the first washing tank (1) and the first reservoir (2), and a second electric pump (62) disposed on a pipeline between the second washing tank (3) and the second reservoir (4), respectively.
7. An on-line cleanable indoor air purifying apparatus according to claim 6, wherein a water inlet pipe is further provided on the pipe between the first electric pump (61) and the first reservoir (2) and on the pipe between the second electric pump (62) and the second reservoir (4).
8. An on-line cleanable indoor air purifying apparatus according to claim 1, wherein the first reservoir (2) and the second reservoir (4) are provided with liquid level sensors (7).
9. An indoor air cleaning device capable of being cleaned on line as claimed in claim 1, wherein the first washing tank (1) and the second washing tank (3) are respectively provided with at least one sewage draining exit.
10. An on-line cleanable indoor air purification device as claimed in claim 1, wherein said fine filter (31) is an activated carbon fine filter.
CN202122095117.0U 2021-09-01 2021-09-01 Indoor air purification device capable of being cleaned on line Active CN217092637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122095117.0U CN217092637U (en) 2021-09-01 2021-09-01 Indoor air purification device capable of being cleaned on line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122095117.0U CN217092637U (en) 2021-09-01 2021-09-01 Indoor air purification device capable of being cleaned on line

Publications (1)

Publication Number Publication Date
CN217092637U true CN217092637U (en) 2022-08-02

Family

ID=82575561

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122095117.0U Active CN217092637U (en) 2021-09-01 2021-09-01 Indoor air purification device capable of being cleaned on line

Country Status (1)

Country Link
CN (1) CN217092637U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117469758A (en) * 2023-12-22 2024-01-30 新乡市仪盛电子科技有限公司 Indoor humidity control ventilation dust removal monitoring and adjusting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117469758A (en) * 2023-12-22 2024-01-30 新乡市仪盛电子科技有限公司 Indoor humidity control ventilation dust removal monitoring and adjusting system
CN117469758B (en) * 2023-12-22 2024-04-09 河南锐坤电子科技有限公司 Indoor humidity control ventilation dust removal monitoring and adjusting system

Similar Documents

Publication Publication Date Title
CN108176210A (en) A kind of processing method and processing device of foul gas difficult to degrade
CN110207286B (en) Novel haze air integrated purification system
CN205700029U (en) A kind of waste gas purifying environmental protecting device
KR20170003286A (en) Bus shelter wiht an air purification device
KR20150107346A (en) A air cleaner
CN111623461A (en) Anti-pollution infectious disease isolation ventilation equipment
CN217092637U (en) Indoor air purification device capable of being cleaned on line
CN111715056A (en) Special multi-effect fresh air purification device for cultivation and control method thereof
CN209076327U (en) A kind of processing unit of the exhaust gas containing dust
CN106989451A (en) A kind of no material consumption, non-maintaining Medical sterilization air purifier
CN212962104U (en) Movable air purifier
KR102057492B1 (en) Air purification system
CN209541065U (en) A kind of air cleaning facility of humidification and sterilization
CN105664694B (en) A kind of air cleaning unit
CN111623460A (en) Intelligent ventilation equipment of temperature humidity control
CN207648980U (en) A kind of air purifier being convenient for changing filter device
CN217817304U (en) Multifunctional air purifying device
CN210801436U (en) Novel haze air integrated purification system
CN211041093U (en) Large-scale oil smoke purifies fume extractor
CN113983613A (en) Washing air disinfection and purification machine
CN105757812A (en) Wet type air adsorption, purification and disinfection device and method
CN208711391U (en) A kind of laboratory exhaust gas processing system
CN106237787A (en) A kind of leather spraying dust arrester
CN111623459A (en) Special fresh air unit for negative-pressure isolation ward
CN103591642B (en) A kind of combined type air conditioning equipment and air conditioning method thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant