CN211159038U - Wet air purification device - Google Patents
Wet air purification device Download PDFInfo
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- CN211159038U CN211159038U CN201921168367.9U CN201921168367U CN211159038U CN 211159038 U CN211159038 U CN 211159038U CN 201921168367 U CN201921168367 U CN 201921168367U CN 211159038 U CN211159038 U CN 211159038U
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- 238000004887 air purification Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 253
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000000746 purification Methods 0.000 abstract description 4
- 238000005352 clarification Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a wet air purification device, which comprises a controller, a water circulation channel and an air purification channel, wherein the water circulation channel and the air purification channel are controlled by the controller; the water circulation channel comprises a cylindrical shell with an opening at the upper end, the upper part of the shell is provided with a reticular air outlet, the bottom of the shell is provided with a water return pool with a sealing structure, and the middle part of the shell is provided with a middle water storage container communicated with the water return pool; the outer ring of the middle water storage container is provided with a water filtering groove of an annular structure, a water spraying filter screen is arranged below the water filtering groove, the air purification channel comprises an air pump and an exhaust pipe, and an air outlet port of the exhaust pipe is arranged between the middle water storage container and the water spraying filter screen. The utility model provides a wet process air purification device realizes the purification of air through the filter screen that the circulating water flows through, adopts the cleaning of circulating water system realization water simultaneously, and the clarification plant of being convenient for keeps effective operation for a long time, and maintains simply, with low costs.
Description
Technical Field
The utility model relates to an air purification technical field, concretely relates to be suitable for domestic wet process air purification device.
Background
With the increase of the urban scale, the air pollution in urban areas is more and more serious, and the indoor air quality without purification treatment is poorer than that of the outdoor air, particularly the air quality in winter dry in the north is extremely poor. With the expansion of urban population and urban scale, the market demand of household small-sized air purification equipment is strong.
The main pollutants in the atmosphere comprise particulate matters, harmful gases (nitrogen oxides and sulfides) and microorganisms (viruses and bacteria), and at present, a full-effect household air purification system for efficiently filtering the particulate matters, the harmful gases and the microorganisms at the same time does not exist. Most of the existing household air purification equipment adopts a dry type filtering design, the filtering capacity is gradually lost along with the increase of the working time, the filtering efficiency needs to be maintained by regularly replacing a filter element, the waste filter element causes secondary pollution, and the replacement of the filter element also causes inconvenience in later use; the system does not have the capability of filtering gaseous pollutants, and has low microorganism filtering efficiency. Therefore, the household air purification device which can maintain high-efficiency filtration for a long time and has simple use and maintenance and low use cost has great practical value and market popularization significance.
The Chinese patent 'a domestic new trend device' with application patent number 201810357462.7 discloses a dual wet process air purification method based on 'water bath' and 'explode gas' principle, and this method adopts the water bath component of plate-type structure and explodes the gas component and leads to ventilating the little space utilization of cross-section low to it is more difficult to wash the maintenance, and the device water consumption is very big, explodes the gas noise big, is not suitable for indoor use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wet process air purification device has that the washing is convenient, the water high-usage, the device noise is low, is applicable to characteristics such as indoor use.
The technical scheme of the utility model as follows:
a wet air purification device comprises a controller, a water circulation channel and an air purification channel which are controlled by the controller,
the water circulation channel comprises a cylindrical shell with an opening at the upper end, the upper part of the shell is provided with a reticular air outlet, the bottom of the shell is provided with a water return pool with a sealing structure, and the water return pool is communicated with the bottom of the shell through a lower-end drain hole; a middle water storage container communicated with the water return tank is arranged in the middle of the shell; a wide-mouth water injector is arranged at the upper end of the middle water storage container, a water filtering groove with an annular structure is arranged on the outer ring of the middle water storage container, a water spraying filter screen is arranged below the water filtering groove, and a plurality of upper-end drain holes are formed in the position, right opposite to the water spraying filter screen, of the bottom of the water filtering groove; the water overflowing from the wide-mouth water injector flows into the water return tank through the upper end drain hole, the water spraying filter screen and the lower end drain hole; a water pump is arranged in the water return pool, and water in the water return pool is pumped out from the middle part of the wide-mouth water injector through a water outlet pipe arranged in a middle water storage container; the contact surface of the bottom of the middle water storage container and the top surface of the water return pool is provided with a buoyancy valve.
The air purification channel comprises an air pump, an exhaust pipe and a connecting air pipe, wherein an air outlet port of the exhaust pipe is arranged between the middle water storage container and the water spraying filter screen.
In the wet air purification device, the air outlet port of the exhaust pipe is of a branch structure, and a plurality of exhaust holes are formed in the side surface of the exhaust pipe.
In the wet air purification device, the lower end of the branch of the exhaust pipe is communicated with the air pipe in the water return pool.
In the wet air purification device, ceramic particles, a sponge body and water culture plants are arranged in the water filtering tank.
In the wet air purification device, the bottom of the wide-mouth water injector is provided with the water injection plug with a hollow structure, and the water outlet pipe penetrates through the middle part of the water injection plug.
In the wet air purification device, an ultraviolet lamp is arranged at the position of the air outlet port of the exhaust pipe; an ultraviolet lamp with a waterproof structure is arranged in the water return pool.
In the wet air purification device, the controller is electrically connected with the ultraviolet lamp, the water pump and the air pump.
In the wet air purification device, the controller is provided with an air quality sensor.
A wet air purification method is characterized in that: the water circulation filtration ensures the cleanness of the water spraying filter screen, thereby realizing the air purification;
the water circulation filtering step is as follows: the water pump pumps water at the bottom of the water return pool, the water is pressurized and then upwards sprayed out through the pipe orifice of the water outlet pipe to form a fountain, the water falls back into the wide-mouth water injector, the water of the wide-mouth water injector overflows into the water filtering tank, the water filtered by the ceramic particles and the sponge flows into the top of the water spraying filter screen by means of gravity and is downwards collected to the water return pool along the water spraying filter screen by means of gravity to complete water circulation, and the water circulating and the water spraying filter screen are cleaned;
the air filtering step is as follows: the air pump inputs the blast pipe of air cleaner through the trachea after with air compression, and compressed air is discharged by blast pipe upper end exhaust hole, and the exhaust air passes through after the trickle filter screen filters again the netted venthole of casing upper end is discharged indoorly, accomplishes air and filters.
The utility model has the beneficial technical characteristics as follows:
1. the utility model provides a wet process air purification device realizes the purification of air through the filter screen that the circulating water flows through, has overcome the defect that traditional dry process purified the unable multiple harmful filtering of realization that exists, adopts simultaneously to have the cleaning treatment that has clear circulating water system realization water, and the clarification plant of being convenient for keeps effective operation for a long time, and maintains simply, with low costs. In addition, the circulating water quantity is changed by adjusting the water outlet quantity of the water pump, so that the air can be treated in different degrees, and the purification requirements of different environments are met.
2. The utility model discloses an air filter element adopts the trickle filter screen structure of tube-shape, has following characteristics: the air filtering area is large, so that the filtering efficiency is improved conveniently; and (II) simultaneously, the compressed air is decompressed in the cylindrical structure of the water spraying filter screen, and the water spraying filter screen has a good noise reduction effect, so that the device has low noise and is suitable for indoor environment work. Thirdly, the whole backwater filtering process and the water spraying process of the water spraying filter screen are realized by using the gravity of water, the water circulation energy consumption is low, the water utilization rate is high, and the water consumption is low; and (IV) the water spraying filter screen is of a net-shaped reel structure, and the reel is convenient to clean and maintain after being unfolded and is repeatedly used, so that the cost is saved.
3. The purifying device of the utility model is designed by a cylindrical structure, has compact structure and small occupied space, and is more suitable for household use; the water filtering tank sets up in device upper portion and for open structure, makes things convenient for the water filtering tank to maintain, makes things convenient for water planting plant to breed, on to indoor air purification humidification basis, fountain design and green design of planting make the device environment friendly, have reduced the visual pollution of device, have beautified the environment.
4. The utility model arranges the buoyancy valve at the bottom of the middle water storage container, thus realizing the water storage of automatic water level under compact structure; the wide-mouth water injector structure is convenient for the rivers that will overflow and go into and drench the water filter screen, conveniently is the device moisturizing simultaneously.
5. The utility model discloses set up air quality sensor on the controller, the controller is according to monitoring result automatically regulated air pump, water pump rotational speed and ultraviolet lamp operating time in order to realize different operating modes, adapts to work under the different air quality conditions.
6. The utility model is provided with an ultraviolet lamp near the water spraying filter screen for eliminating the microorganisms on the water spraying filter screen and in the air flowing through the water spraying filter screen; an ultraviolet lamp with a waterproof structure is also arranged in the water return tank and used for clearing microorganisms in the circulating water; ceramic particles and a sponge body are arranged in the top water filtering tank, wherein the sponge body can be taken out for cleaning, the ceramic particles can be taken out for high-temperature heating treatment, and the ceramic particles are recycled after treatment without replacement; meanwhile, hydroponic plants are planted for absorbing organic matters and inorganic salts in the circulating water. The measures ensure the long-term effectiveness of air purification.
Drawings
FIG. 1 is a schematic diagram of the composition principle of the wet air purification device of the present invention;
FIG. 2 is a schematic view showing the distribution of the upper drainage holes in the drainage tank of the present invention;
FIG. 3 is a schematic structural view of the water-sprinkling filter screen of the present invention after being rolled and tiled;
fig. 4 is a schematic structural view of the water filtering tank of the present invention;
fig. 5 is a schematic diagram of the sponge structure of the present invention.
The reference signs are: 1-an air filter; 2, an air pump; 3-a controller; 4-trachea; 11-a housing; 12-water spraying filter screen; 13-a water filtering tank; 14-wide-mouth water injector; 15-a middle water storage container; 16-an exhaust pipe; 17-a buoyancy valve; 18-a water pump; 19-an ultraviolet lamp; 11-1-a water return tank; 11-2-mesh air outlets; 12-1-binding a rope; 13-1-ceramic particles; 13-2-cavernous body; 13-3-hydroponic plants; 16-1-vent hole; 18-1-water outlet pipe; 21-upper drain hole; 22-lower drain hole; 24-air quality sensor.
Detailed Description
As shown in fig. 1, the wet air purification device of the present invention comprises a controller 3 and a water circulation channel and an air purification channel controlled by the controller 3, wherein the air purification channel filters the indoor filter device through the wet method, and the water circulation channel provides the cleaning treatment for the filter device.
The water circulation channel comprises a cylindrical shell 11 with an opening at the upper end, a reticular air outlet hole 11-2 is arranged at the upper part of the shell 11, a water return pool 11-1 with a sealed structure is arranged at the bottom of the shell 11, and the water return pool 11-1 is communicated with the bottom of the shell 11 through a lower water discharge hole 22 arranged at the bottom of the shell 11; according to the requirement, the shell 11 and the water return tank 11-1 can be set to be an integral structure, the upper end is the shell 11, the lower end is the water return tank 11-1, the upper end and the lower end are communicated through a partition plate, and the partition plate is provided with a plurality of lower end drain holes 22, so that water in the shell 11 flows back to the water return tank 11-1.
A middle water storage container 15 communicated with the water return pool 11-1 is arranged in the middle of the shell 11; the middle water storage container 15 is of a hollow thin-wall tubular structure, a wide-mouth water injector 14 is arranged at the upper end of the middle water storage container 15, a water filtering groove 13 of an annular structure is arranged on the outer ring of the middle water storage container 15, and a water spraying filter screen 12 is arranged below the water filtering groove 13.
As shown in fig. 2, a plurality of upper end drain holes 21 are arranged at intervals at the position where the bottom of the water filtering tank 13 faces the water spraying filter screen 12, and water overflowing from the wide-mouth water injector 14 flows into the water returning pool 11-1 through the upper end drain holes 21, the water spraying filter screen 12 and the lower end drain holes 22; the water pump 18 is arranged in the water return pool 11-1, and water in the water return pool 11-1 is pumped out from the middle part of the wide-mouth water injector 14 through the water outlet pipe 18-1 arranged in the middle water storage container 15 to form a fountain.
As a preferred embodiment, a buoyancy valve 17 is arranged on the contact surface of the bottom of the middle water storage container 15 and the top surface of the backwater pool 11-1. The buoyancy valve 17 is used for opening when the liquid level of the water return pool 11-1 is low, and the water in the middle water storage container 15 flows into the water return pool 11-1 through the buoyancy valve 17.
As a preferred embodiment, a water injection plug 14-1 with a hollow structure is arranged at the bottom of the wide-mouth water injector 14, when the middle water storage container 15 lacks water, the water injection plug 14-1 is removed, and water is injected through the wide-mouth water injector 14; the water outlet pipe 18-1 passes through the bottom and the middle of the middle water storage container 15, then passes through the middle of the water injection plug 14-1 to reach the mouth of the wide-mouth water injector 14, and forms a fountain at the mouth of the wide-mouth water injector 14 under the action of the water pump 18.
As a preferred embodiment, a sterilized ultraviolet lamp 19 is arranged in a space surrounded by the middle water storage container 15, the water spraying filter screen 12, the upper end surface of the water return tank 11-1 and the bottom surface of the water filtering groove 13, and is used for removing microorganisms on the water spraying filter screen and in air flowing through the water spraying filter screen; a waterproof disinfection ultraviolet lamp 19 is also arranged in the water return pool 11-1 and used for clearing microorganisms in the circulating water, and the ultraviolet lamp is powered by the controller 3.
As a preferred embodiment, the controller 3 is provided with an air quality sensor 24, for example, an AGS-V8pm2.5 dust sensor is adopted to monitor and control the quality, the rotating speed of the water pump 18 and the air pump 2 and the working time of the ultraviolet lamp are controlled by monitoring the content of PM2.5 in the air so as to realize different working conditions and adapt to working under different air quality conditions, the rotating speed of the water pump and the air pump and the power of the ultraviolet lamp can be reduced when the air is better, the rotating speed of the water pump and the air pump and the power of the ultraviolet lamp can be increased when the air is worse, a threshold value and an output parameter can be preset according to the characteristics of the sensor, and the controller can be selected from a P L C controller of ARMSTM32F type or an AT89C52 type controller, so that the cost is.
As shown in figure 3, the water spraying filter screen 12 adopts a multi-layer filter screen reel structure, the filter screen reel can be unfolded and cleaned, and then the filter screen reel is rewound and bound by a binding rope 12-1 to be arranged in the machine for recycling. The water spraying filter screen 12 is the core of the utility model, which has the following functions: the air filter has a drum-shaped structure, so that the air filter has a large air filtering area and is convenient to improve the filtering efficiency; and (II) simultaneously, the compressed air is decompressed in the cylindrical structure of the water spraying filter screen, and the water spraying filter screen has a good noise reduction effect, so that the device has low noise and is suitable for indoor environment work. Thirdly, the whole backwater filtering process and the water spraying process of the water spraying filter screen are realized by using the gravity of water, the water circulation energy consumption is low, the water utilization rate is high, and the water consumption is low; and (IV) the water spraying filter screen is of a net-shaped reel structure, and the reel is convenient to clean and maintain after being unfolded and is repeatedly used, so that the cost is saved.
As shown in fig. 4 and 5: the ceramic particles 13-1 in the water filtering tank 13 are placed on the upper part of the sponge body 13-2 and can be taken out; the ceramic particles 13-1 can be heated at high temperature, and the sponge 13-2 can be washed and reused without replacement. Meanwhile, hydroponic plants are planted in the water filtering tank 13 and used for absorbing organic matters and inorganic salts in the circulating water, and the measures ensure the long-term effectiveness of air purification.
The utility model discloses realize that the air filtering process does: the air pump 2 compresses air and inputs the air into the exhaust pipe 16 of the air filter 1 through the air pipe 4, the compressed air is exhausted from the exhaust hole 16-1 at the upper end of the exhaust pipe 16, because a closed space is formed by the surrounding of the middle water storage container 15, the water spraying filter screen 12, the top surface of the water return pool 11-1 and the bottom surface of the water filtering tank 13, the compressed air entering the closed space can only be exhausted through the water spraying filter screen 12; the air is filtered by a water spraying filter screen 12 and then is discharged into a room through a reticular air outlet hole 11-2 at the upper end of the shell 11;
the process of realizing water circulation is as follows: the water pump 18 pumps water at the bottom of the water return pool 11-1, the water is pressurized and then upwards sprayed out through the pipe orifice of the water outlet pipe 18-1 to form a fountain, the water falls back into the wide-mouth water injector 14, the water in the wide-mouth water injector 14 overflows into the water filtering groove 13, the water filtered by the ceramic particles 13-1 and the sponge 13-2 flows into the top of the water spraying filter screen by virtue of gravity and is collected downwards along the water spraying filter screen by virtue of gravity to return to the water return pool 11-1 to complete water circulation; an ultraviolet lamp 19 in the water return pool 11-1 finishes water clearing;
because polluted air is input into the air filter through the air pipe after being compressed by the air pump, is filtered through the water spraying filter screen after being decompressed and is finally discharged through the shell exhaust hole, the air pump can be installed outdoors, the air filter is arranged indoors for use, the air pump inputs outdoor air into the air filter through the air pipe and is discharged indoors after being purified, and further indoor noise can be further reduced. By combining the fountain design and the green plant design, the device reduces the visual pollution and beautifies the environment on the basis of purifying and humidifying the indoor air.
Claims (9)
1. The utility model provides a wet process air purification device which characterized in that: comprises a controller (3), a water circulation channel and an air purification channel which are controlled by the controller (3);
the water circulation channel comprises a cylindrical shell (11) with an opening at the upper end, a reticular air outlet hole (11-2) is formed in the upper part of the shell (11), a water return pool (11-1) with a sealed structure is arranged at the bottom of the shell (11), and the water return pool (11-1) is communicated with the bottom of the shell (11) through a lower-end water discharge hole (22); a middle water storage container (15) communicated with the water return pool (11-1) is arranged in the middle of the shell (11); a wide-mouth water injector (14) is arranged at the upper end of the middle water storage container (15), a water filtering groove (13) with an annular structure is arranged on the outer ring of the middle water storage container (15), a water spraying filter screen (12) is arranged below the water filtering groove (13), and a plurality of upper-end drain holes (21) are arranged at the position, right opposite to the water spraying filter screen (12), of the bottom of the water filtering groove (13); the water overflowing from the wide-mouth water injector (14) flows into the water return pool (11-1) through the upper end drain hole (21), the water spraying filter screen (12) and the lower end drain hole (22); a water pump (18) is arranged in the water return pool (11-1), and water in the water return pool (11-1) is pumped out from the middle part of the wide-mouth water injector (14) through a water outlet pipe (18-1) arranged in a middle water storage container (15);
the air purification passageway include air pump (2), blast pipe (16) and connecting pipe (4), the port of giving vent to anger of blast pipe (16) set up between middle part water storage container (15) and trickle filter screen (12).
2. The wet air cleaning apparatus according to claim 1, wherein: a buoyancy valve (17) is arranged on the contact surface of the bottom of the middle water storage container (15) and the top surface of the water return pool (11-1).
3. The wet air cleaning apparatus according to claim 1, wherein: the air outlet port of the exhaust pipe (16) is of a branch structure, and a plurality of exhaust holes (16-1) are formed in the side face of the exhaust pipe (16).
4. The wet air cleaning apparatus according to claim 3, wherein: the lower end of the branch of the exhaust pipe (16) is communicated with the air pipe (4) in the water return pool (11-1).
5. The wet air cleaning apparatus according to claim 1, wherein: ceramic particles (13-1), a sponge body (13-2) and hydroponic plants (13-3) are arranged in the water filtering tank (13).
6. The wet air cleaning apparatus according to claim 1, wherein: the bottom of the wide-mouth water injector (14) is provided with a water injection plug (14-1) with a hollow structure, and the water outlet pipe (18-1) penetrates through the middle part of the water injection plug (14-1).
7. The wet air cleaning apparatus according to claim 1, wherein: an ultraviolet lamp (19) is arranged at the position of the air outlet port of the exhaust pipe (16); an ultraviolet lamp (19) with a waterproof structure is arranged in the water return pool (11-1).
8. The wet air cleaning apparatus according to claim 1, wherein: the controller (3) is electrically connected with the ultraviolet lamp (19), the water pump (18) and the air pump (2).
9. The wet air cleaning apparatus according to claim 1, wherein: an air quality sensor (24) is arranged on the controller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168367.9U CN211159038U (en) | 2019-07-24 | 2019-07-24 | Wet air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168367.9U CN211159038U (en) | 2019-07-24 | 2019-07-24 | Wet air purification device |
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| Publication Number | Publication Date |
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| CN211159038U true CN211159038U (en) | 2020-08-04 |
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| CN201921168367.9U Active CN211159038U (en) | 2019-07-24 | 2019-07-24 | Wet air purification device |
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| CN (1) | CN211159038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420520A (en) * | 2019-07-24 | 2019-11-08 | 杨荣 | A kind of wet process air cleaning unit and method |
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2019
- 2019-07-24 CN CN201921168367.9U patent/CN211159038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420520A (en) * | 2019-07-24 | 2019-11-08 | 杨荣 | A kind of wet process air cleaning unit and method |
| CN110420520B (en) * | 2019-07-24 | 2024-04-30 | 杨荣 | Wet air purification device and method |
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Effective date of registration: 20240328 Address after: No. 77, Group 2, Gongjia Village, Tangyu, Lantian County, Xi'an City, Shaanxi Province, 710000 Patentee after: Wu Yuanpeng Country or region after: China Address before: 715106 Shadi Township Street, Dali County, Weinan City, Shaanxi Province Patentee before: Yang Rong Country or region before: China |
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Effective date of registration: 20240416 Address after: 710000, Room 02, 5th Floor, Unit 1, Building 3, Huafu Palace Guiyuan, Huanhu West Road, Weiyang District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Shangzhu Environmental Technology Engineering Co.,Ltd. Country or region after: China Address before: No. 77, Group 2, Gongjia Village, Tangyu, Lantian County, Xi'an City, Shaanxi Province, 710000 Patentee before: Wu Yuanpeng Country or region before: China |