CN103968468A - Indoor air washing and purification device - Google Patents
Indoor air washing and purification device Download PDFInfo
- Publication number
- CN103968468A CN103968468A CN201410224130.3A CN201410224130A CN103968468A CN 103968468 A CN103968468 A CN 103968468A CN 201410224130 A CN201410224130 A CN 201410224130A CN 103968468 A CN103968468 A CN 103968468A
- Authority
- CN
- China
- Prior art keywords
- air
- purifying device
- room air
- air washing
- washing purifying
- 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.)
- Pending
Links
- 238000005406 washing Methods 0.000 title claims abstract description 28
- 238000000746 purification Methods 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000645 desinfectant Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000013043 chemical agent Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 3
- 241000700605 Viruses Species 0.000 description 9
- 230000000505 pernicious effect Effects 0.000 description 8
- 230000036541 health Effects 0.000 description 7
- 244000005700 microbiome Species 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000008520 organization Effects 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- -1 oxygen ion Chemical class 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
An indoor air washing and purification device comprises a cabinet body. An air inlet is formed in the upper portion of the cabinet body. A dust filter is arranged in the air inlet. A fan is arranged inside the dust filter. An upper cavity of the cabinet body is communicated with a lower cavity of the cabinet body through the fan. A circulating pump is arranged inside the lower cavity and located in washing liquid. The circulating pump is connected with a sprinkler inside the lower cavity. A ventilation plate is arranged between the periphery of an exhaust outlet of the fan and the inner wall of the cabinet body. An air outlet is formed in the upper side of the lower cavity of the cabinet body. Outdoor fresh air is sucked into the device through the air inlet, dust is filtered out of the fresh air through the dust filter, the air after dust removal enters a washer, the washing liquid is fed into the washer through the circulating pump, harmful gas is removed through chemical washing, the air is kept being humidified, and the purified air passes through a negative-ion generator to increase negative oxygen particles before entering a room. The indoor air washing and purification device has the advantages of being simple in structure, good in purification effect, high in purification efficiency and the like.
Description
Technical field
The invention belongs to air purifying process field, be specifically related to a kind of room air washing purifying device.
Background technology
The World Health Organization sorts compared with PM2.5 concentration in the air of big city from high to low to 1600, the whole world, 9 cities of China enter first 100, wherein Beijing is ranked 77,71, Xi'an, PM2.5 mean value exceedes the 9---10 doubly above (solar corona Business Mays 13 in 2013) of World Health Organization's recommended value (10 micrograms/M3).
U.S.'s Everyman's Science magazine report: one group of Chinese research personnel finds have 1300 kinds of microorganisms to swim in Pekinese's haze.Especially winter-spring season, dry, dust storm fills the air, and air pollution is even more serious.Greatly increase the risk that people suffer from heart, PUD D.
U.S.'s Forbs biweekly website article " haze or reinforcement China " indoor city " development " is pointed out: smaller in view of the possibility that haze is eliminated by recent China, concerning the people in China's inhabitation, probably staying in indoor is the most attractive selection.In waiting for that government administers action, resident and private sector have set about building livable indoor environment voluntarily.
The old clear fine jade of being engaged in indoor air purification research work proposes: if haze weather continues for a long time, the home penetration rate of air purifier will continue to rise.Then perhaps can become and TV, indispensable household electrical appliances that refrigerator is the same.
But, on market, still have the following disadvantages for the device purifying air now:
1) the indoor sealing and circulating of clarifier, can not introduce outdoor new wind, and the oxygen content of room air can reduce because constantly consume, and endangers indoor people's health.
2) if window ventilation, can put into again outdoor haze contaminated air, not reach clean-up effect.And can enter the dust of sweeping not to the utmost.
3), without humidification function, room air is dry.Especially winter-spring season, northern area indoor relative humidity is mostly in 20% left and right, 65% ± 10% the comfort standard of recommending far below World Health Organization.
4) all adopt " physics mode " filter or adsorb haze particle, can not effectively eliminate pernicious gas in air, as: sulfide (SO
2), nitrogen oxide (NO
2), heavy metallic oxide and ammonia, aldehyde, benzene etc., the multiple-microorganism such as virus, germ that can not kill harmful.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of room air washing purifying device, 1) force to introduce outdoor new wind, solve the airtight anoxic problem of bringing of interior length time; 2) room air maintains the pressure-fired of about 200pa, outdoor air can only by pipeline through purify laggard enter indoor, break off polluting source, save the work of cleaning; 3) liquid scrubbing air, increases air humidity, makes indoor humidity remain on the comfort standard of 65% left and right; 4) washing to new wind by chemical liquid, effectively eliminates pernicious gas and heavy metal in air, and the microorganisms such as kill virus, germ make room air reach the standard of World Health Organization's suggestion: PM2.5 is less than or equal to 10 micrograms/M
3; There is simple in structure, good purification and the high feature of purification efficiency.
To achieve these goals, the technical solution used in the present invention is: a kind of room air washing purifying device, include cabinet, and cabinet top is provided with air intake vent; In air intake vent, be provided with dirt catcher; Dirt catcher inside is provided with blower fan; The upper chamber of cabinet is connected with its underpart cavity by blower fan; In lower cavity, be provided with circulating pump, circulating pump is in cleaning solution; Circulating pump is connected with the spray equipment in lower cavity, between the exhaust outlet periphery of blower fan and cabinet inwall, is provided with ventilative board, and the lower cavity upside of cabinet is provided with air outlet.
Near lower chamber body wall described air outlet is provided with anion generator.
Described dirt catcher comprises the thick cotton of filtration, high efficiency air particles screen pack HEPA and active carbon from outside to inside.
The liquid level of described cleaning solution is the minimum 6cm of being apart from the distance of exhaust outlet.
Between described ventilative board and spray equipment, be provided with washer, washer adopts the uniform washer of gas-liquid counter current.
Described cleaning solution adopts chemical agent, disinfectant.
Described chemical agent adopts soda ash solution, and solution concentration is ten thousand/.
Described disinfectant adopts liquor potassic permanganate, and solution concentration is ten thousand/.
Between described upper chamber and lower part box, be only communicated with by blower fan, remainder is tightly connected.
the invention has the beneficial effects as follows:
Compared with prior art, the present invention changes the indoor closed circulation of existing air purifier and purifies as continuing introducing fresh air purifying, makes room air remain pure and fresh.Meanwhile, room air keeps the pressure-fired of about 200pa, breaks off outdoor contaminated air and dust and directly enters indoorly, reaches indoor dust-free, ultra-clean, without the effect of clearing up indoor sanitation every day; Change only depends on filtration, and------physics dedusting is the dedusting of---physical filtering---chemical washing, not only by the dirt " one has washed it " of " filter screen ", the more important thing is by chemical reaction, remove airborne pernicious gas, kill the microorganism such as virus, germ in air by disinfectant.Meanwhile also carry out humidification to dry air, effectively improve air purification effect; In a slight electrical Household appliance, allow large quantity of air fully contact continuous washing with cleaning solution, design " gas-liquid conversed uniform washer ", wherein critical component is " U-shaped corrugated ring is uniform ", change to greatest extent gas and liquid direction straight up and down, make it full of twists and turns, fully contact, effectively washing.Imbody is in the following areas:
1) room air PM2.5 remains on 10 micrograms/M
3below, reach World Health Organization's recommended standard.
2) indoor air humidity remains on 55%-70%, reaches human settlement's comfort standard.
3) outdoor air continues to send into, and room air upgrades once for average every 2 hours, and oxygen content is consistent with outside atmosphere.
4) pressure-fired of indoor maintenance 200PS left and right, the ventilation of need not windowing, cuts off outside haze contaminated air source, and indoor free from dust, significantly reduces the clean frequency of domestic hygiene and labour intensity.
5) room air, through chemical disinfection washing lotion laundry operation, is eliminated airborne sulfide (SO
2), nitrogen oxide (NO
2), heavy metallic oxide and ammonia, aldehyde, benzene class pernicious gas, the multiple-microorganisms such as kill virus, bacterium.Effectively the respiratory system of protection indoor occupant and cardiovascular system are avoided haze murder by poisoning.
6) this device is indoor closed system, has effectively reduced the infringement that summer, mosquito entered the room to people.
7) this equipment is with 100M
3for example, outside effectively clean room per hour, haze air capacity is 400M
3/ h, annual purifying city haze amount reaches 3,500,000 M
3.
Brief description of the drawings
Fig. 1 is structural principle schematic diagram of the present invention.
Fig. 2 is workflow diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in further detail.
Referring to Fig. 1, a kind of room air washing purifying device, includes cabinet 9, and cabinet 9 tops are provided with air intake vent 1, for introducing outdoor new wind; In air intake vent 1, be provided with dirt catcher 2, dirt catcher 2 filtration of particulate matters; Dirt catcher 2 inside are provided with blower fan 3, and blower fan 3 will be sent into washer through filtered air; The upper chamber 13 of cabinet 9 is connected with its underpart cavity 14 by blower fan 3; In lower cavity, be provided with circulating pump 6, circulating pump 6, in cleaning solution, is delivered to top circulated sprinkling by cleaning solution 5; Circulating pump 6 is connected with the spray equipment 10 in lower cavity, between exhaust outlet 11 peripheries of blower fan 3 and cabinet inwall, is provided with ventilative board 12, and the lower cavity upside of cabinet 9 is provided with air outlet 8, and air fresh, that purify is sent into indoor.
Near lower chamber body wall described air outlet 8 is provided with anion generator 7, in filtered air, adds negative oxygen ion.
Described dirt catcher comprises the thick cotton of filtration, high efficiency air particles screen pack HEPA and active carbon from outside to inside.
The liquid level of described cleaning solution is 6cm apart from the distance minimum of exhaust outlet 11, and along with the volatilization of liquid, liquid level can reduce gradually, and distance increases gradually.
Between described ventilative board and spray equipment, be provided with washer 4, washer adopts the uniform washer of gas-liquid counter current, fills the uniform ring of U-shaped ripple in washer, and washer 4 makes liquid, air reverse movement, tortuous roundabout, abundant contact, effectively washing.
Described cleaning solution adopts chemical agent, disinfectant.Its objective is and remove sulphur in air, nitrogen, heavy metallic oxide and benzene, aldehyde, Ammonia gas, the microorganisms such as kill virus, germ.For specific pernicious gas, add separately medicament in conjunction with its character.
Described chemical agent adopts soda ash solution, and solution concentration is ten thousand/.
Described disinfectant adopts liquor potassic permanganate, and solution concentration is ten thousand/.
Between described upper chamber and lower part box, be only communicated with by blower fan 3, remainder is tightly connected.
Described blower fan adopts super-silent centrifugal blower, and blast is 600pa, and noise is less than 30 dB.
the effect of each parts:
Air intake vent: new wind is introduced new wind from outdoor pressure, and air port area reaches design wind speed 3.5M/S and is advisable.
Dirt catcher: by filter cotton coarse filtration, the sub-screen pack HEPA essence filter of high efficiency air atom and charcoal absorption, three road multilayers form, and taking particle in filtered air as main, can make PM2.5 drop to 30 micrograms/M
3below.
Through the windage of filter course is calculated and prototype test, each filter course area design is as follows:
When air output is 100M
3when/H, filter cotton area is 0.16m
2; HEPA area is 4.8m
2; Active carbon area is 0.14m
2;
Blower fan adopts super-silent centrifugal blower, and blast is 600pa, and noise is less than 30dB, and power of motor is selected by design air flow.Generally, by 100m
3/ h selects 35w blower fan, can meet the demands.
Washer adopts the uniform washer of gas-liquid counter current.Fill in washer on " the uniform ring of U-shaped ripple ", liquid and gas in uniform ring, reverse flow mutually, tortuous roundabout, fully contact.Remove pernicious gas, particulate to reach, kill virus, germ microorganism.Also carry out humidification to air, make Pm2.5 in air be down to 10 micrograms/M simultaneously
3, humidity reaches 65% ± 10%.
Cleaning solution, for washing the air of entering the room, removes harmful substance, the microorganisms such as kill virus, germ.According to pernicious gas feature in air, add targetedly chemical agent and disinfectant.For general municipal pollution air, can add soda ash to remove sour gas, as (SO
2, NO
2, CO) add potassium permanganate kill virus, germ microorganism.
Washer top spray delivered to by cleaning solution by circulating pump, moves in circles.
Anion generator produces negative oxygen ion, improves room air negative oxygen ion concentration, reaches " 6 grades of (the highest) standards with fresh air: negative oxygen ion is 2100/cm that World Health Organization is recommended
3above.
Air outlet is by---washing---humidification---increases the fresh air of negative oxygen ion and sends into indoor after filtration.As required, air outlet has two kinds of modes:
Guiding air-out: new wind is delivered to specific position or room by pipeline.
Disperse air-out: by netted air outlet, new wind is sent into indoor.
Workflow of the present invention is:
Referring to Fig. 2, new wind outside air intake vent suction chamber, through dirt catcher dust removal by filtration, dedusting gas is sent into washer, circulating pump is delivered to cleaning solution in washer, chemical washing removes pernicious gas virus germ, the synchronous humidification of air, and purifying air to enter before indoor is increased and is born oxygen particle by anion generator.
Claims (9)
1. a room air washing purifying device, includes cabinet (9), and cabinet (9) top is provided with air intake vent (1); In air intake vent (1), be provided with dirt catcher (2); Dirt catcher (2) inside is provided with blower fan (3); The upper chamber (13) of cabinet (1) is connected with its underpart cavity (14) by blower fan (3); In lower cavity, be provided with circulating pump (6), circulating pump (6) is in cleaning solution; Circulating pump (6) is connected with the spray equipment (10) in lower cavity, between exhaust outlet (11) periphery of blower fan (3) and cabinet inwall, be provided with ventilative board (12), the lower cavity upside of cabinet (9) is provided with air outlet (8).
2. a kind of room air washing purifying device according to claim 1, is characterized in that, near the lower chamber body wall described air outlet (8) is provided with anion generator (7).
3. a kind of room air washing purifying device according to claim 1, is characterized in that, described dirt catcher comprises the thick cotton of filtration, high efficiency air particles screen pack HEPA and active carbon from outside to inside.
4. a kind of room air washing purifying device according to claim 1, is characterized in that, the liquid level of described cleaning solution is 6cm apart from the distance minimum of exhaust outlet (11).
5. a kind of room air washing purifying device according to claim 1, is characterized in that, is provided with washer (4) between described ventilative board and spray equipment, and washer adopts the uniform washer of gas-liquid counter current.
6. according to a kind of room air washing purifying device described in claim 1 or 4, it is characterized in that, described cleaning solution (5) adopts chemical agent, disinfectant.
7. a kind of room air washing purifying device according to claim 6, is characterized in that, described chemical agent adopts soda ash solution, solution concentration is ten thousand/.
8. a kind of room air washing purifying device according to claim 6, is characterized in that, described disinfectant adopts liquor potassic permanganate, solution concentration is ten thousand/.
9. a kind of room air washing purifying device according to claim 1, is characterized in that, between described upper chamber and lower part box, is only communicated with by blower fan (3), and remainder is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224130.3A CN103968468A (en) | 2014-05-26 | 2014-05-26 | Indoor air washing and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224130.3A CN103968468A (en) | 2014-05-26 | 2014-05-26 | Indoor air washing and purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968468A true CN103968468A (en) | 2014-08-06 |
Family
ID=51238289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224130.3A Pending CN103968468A (en) | 2014-05-26 | 2014-05-26 | Indoor air washing and purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968468A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213725A (en) * | 2017-05-09 | 2017-09-29 | 黄春庭 | Crawler type air cleaner |
| CN108151199A (en) * | 2018-01-29 | 2018-06-12 | 西安大康环保科技有限责任公司 | A kind of no pipeline fresh air air washing cleaning system |
| CN108709261A (en) * | 2018-05-25 | 2018-10-26 | 福建甲子信息技术股份有限公司 | Graphene screen-type removes haze device |
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| CN2434584Y (en) * | 2000-06-08 | 2001-06-13 | 卢振武 | Air cleaning machine |
| CN101590253A (en) * | 2008-05-27 | 2009-12-02 | 北京道顺国际技术开发有限责任公司 | Vertical air multiple purifying and washing and damping machine |
| JP2012065783A (en) * | 2010-09-22 | 2012-04-05 | Nobumasa Okuda | Air cleaning system |
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| US20130022506A1 (en) * | 2009-11-24 | 2013-01-24 | Eusebio Moro Franco | Air purification equipment |
| CN103071351A (en) * | 2013-02-16 | 2013-05-01 | 江村 | Spray-type haze-dust air purifier |
| CN203349394U (en) * | 2013-06-21 | 2013-12-18 | 凯天环保科技股份有限公司 | Purification device for indoor air pollutants |
| CN203848416U (en) * | 2014-05-26 | 2014-09-24 | 王治效 | Indoor air washing and purifying device |
-
2014
- 2014-05-26 CN CN201410224130.3A patent/CN103968468A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN2434584Y (en) * | 2000-06-08 | 2001-06-13 | 卢振武 | Air cleaning machine |
| CN101590253A (en) * | 2008-05-27 | 2009-12-02 | 北京道顺国际技术开发有限责任公司 | Vertical air multiple purifying and washing and damping machine |
| US20130022506A1 (en) * | 2009-11-24 | 2013-01-24 | Eusebio Moro Franco | Air purification equipment |
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| CN203349394U (en) * | 2013-06-21 | 2013-12-18 | 凯天环保科技股份有限公司 | Purification device for indoor air pollutants |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213725A (en) * | 2017-05-09 | 2017-09-29 | 黄春庭 | Crawler type air cleaner |
| CN108151199A (en) * | 2018-01-29 | 2018-06-12 | 西安大康环保科技有限责任公司 | A kind of no pipeline fresh air air washing cleaning system |
| CN108709261A (en) * | 2018-05-25 | 2018-10-26 | 福建甲子信息技术股份有限公司 | Graphene screen-type removes haze device |
| CN108709261B (en) * | 2018-05-25 | 2020-11-10 | 福建甲子生态科技有限公司 | Graphene screen type haze remover |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140806 |
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| RJ01 | Rejection of invention patent application after publication |