CN204121917U - A kind of air filter - Google Patents
A kind of air filter Download PDFInfo
- Publication number
- CN204121917U CN204121917U CN201420219890.0U CN201420219890U CN204121917U CN 204121917 U CN204121917 U CN 204121917U CN 201420219890 U CN201420219890 U CN 201420219890U CN 204121917 U CN204121917 U CN 204121917U
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- China
- Prior art keywords
- air
- wet curtain
- casing
- water
- water pump
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- 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.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000001914 filtration Methods 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 16
- 238000001816 cooling Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000036541 health Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- -1 smog Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
- Filtering Materials (AREA)
Abstract
The utility model discloses a kind of air filter, comprise casing, blower fan, water pump, water pipe, wet curtain and air filtration layer, the side of casing is provided with air inlet, blower fan is arranged on casing, the suction opeing of blower fan is positioned at casing, the air outlet of blower fan is positioned at the outside of casing, air filtration layer is arranged in suction opeing, wet curtain is formed with honeycomb hole, wet curtain is arranged in casing, water pump is arranged on the base plate of casing, and be positioned at the below of wet curtain, water storage space is formed between base plate and wet curtain, water storage space is communicated with the water inlet of water pump, water pipe comprises water main and branching pipe, one end of water main is connected with the delivery port of water pump, its other end extends upwardly to the top of wet curtain, and connect with branching pipe, branching pipe is flatly arranged in the top of cascade, and branching pipe is furnished with multiple apopore equably towards the direction of wet curtain.
Description
Technical field
The utility model relates to air filtration technical field, particularly relates to a kind of air filter with double filtration effect.
Background technology
While modernization develop rapidly, air quality but more and more allows people worry, discharge that waste gas, flue dust etc. are uncontrolled, particulate in air is caused to increase considerably, haze weather high-frequency occurs, PM2.5 and incident high volatile volatile organic matter become the stealthy killer of health of people, and meanwhile air purifier is taken advantage of a situation and become market and to sell well product.
The air purifier used in the market, generally only filters bulky grain volatile substance, can not play effective filter effect.
Existing air purifier, only has common filtering function, there is no air cooling-down humidification function, when using in a dry environment, easily causes discomfort to human body.
Utility model content
Goal of the invention of the present utility model is to overcome defect of the prior art, provides a kind of and effectively filters air and to carry out lowering the temperature the air filter that humidification two kinds of functions are integrated in one to air.
A kind of air filter that technical solutions of the utility model provide, comprise casing, blower fan, water pump, water pipe, wet curtain and air filtration layer, the side of described casing is provided with air inlet, described blower fan is arranged on described casing, the suction opeing of described blower fan is positioned at described casing, the air outlet of described blower fan is positioned at the outside of described casing, described air filtration layer is arranged in described suction opeing, described wet curtain is formed with honeycomb hole, described wet curtain is arranged in described casing, described water pump is arranged on the base plate of described casing, and be positioned at the below of described wet curtain, water storage space is formed between described base plate and described wet curtain, described water storage space is communicated with the water inlet of described water pump, described water pipe comprises water main and branching pipe, one end of described water main is connected with the delivery port of described water pump, its other end extends upwardly to the top of described wet curtain, and connect with described branching pipe, described branching pipe is flatly arranged in the top of described cascade, and described branching pipe is furnished with multiple apopore equably towards the direction of described wet curtain.
Further, described air filtration layer is in netted electrostatic electret screen pack.
Further, distance≤2.5 μm in the mesh of described electrostatic electret screen pack between any two points.
Further, described air filtration layer is HEPA filter.
Further, described air filtration layer is ulpa filter.
Further, described air filtration layer is nonwoven layer, the upper surface of described nonwoven layer is provided with activated carbon filtration cotton.
Further, described air filtration layer is combined by electrostatic electret screen pack, HEPA filter, ulpa filter and nonwoven layer and is formed.
Further, described casing is hexahedron, and four sidewalls of described casing all arrange a described air inlet, and the inherent each described air inlet place of described casing is provided with a described wet curtain, described branching pipe is bent to form square, and through the top of each described wet curtain.
Further, described honeycomb hole is arranged in vertical direction obliquely, and described honeycomb hole is greater than its vertical height away from described air inlet end near the vertical height of described air inlet end, and adjacent described honeycomb hole is in turn connected to form corrugated face.
Further, the water inlet of described water pump is also communicated with outside pond by pipeline.
Adopt technique scheme, there is following beneficial effect:
By arranging wet curtain in casing, arrange air filtration layer in the suction opeing of blower fan, wet curtain in use carries out cooling humidification to the air that air flows through.Under the effect of the water circulation system formed at water pump and water pipe, current form water membrane when wet curtain, and under the effect of blower fan, air flows through wet curtain and moisture film carries out heat exchange, thus air themperature is declined, humidity increase; Meanwhile, moisture film can take away some large particulate matters in air while carrying out heat exchange with air, tentatively filters air; Air filtration layer mainly plays the effect of smart filtered air, is purified further by preliminary filtered air, obtains the fresh air that applicable people breathe; Both combine has the effect of double filtration, also carries out cooling humidification to air simultaneously, with the air of the person's demand that obtains fitness for service, improves air quality, protects health.
Thus, this air filter, structure are simple, easy to use, and it effectively will filter air and carry out cooling humidification two kinds of functions to air and be integrated in one, and go for different places, carry out air quality improvement.
Accompanying drawing explanation
The structural representation of a kind of air filter that Fig. 1 provides for the utility model;
Fig. 2 is the stereogram of the casing shown in Fig. 1;
Fig. 3 is the sectional view of the casing shown in Fig. 2;
Fig. 4 for seeing from top to bottom in the air filter shown in Fig. 1, its air inlet, wet location diagram between curtain and branching pipe;
Fig. 5 is schematic diagram branching pipe being furnished with apopore;
Fig. 6 is the structural representation of wet curtain;
Fig. 7 is the sectional view of the wet curtain shown in Fig. 6;
Fig. 8 is the structural representation of electrostatic electret screen pack;
Fig. 9 is the structural representation of nonwoven layer.
The Reference numeral table of comparisons:
1-casing; 11-air inlet; 12-water storage space;
13-installing hole; 14-sidewall; 15-installing space;
16-blinds is fanned; 17-top board; 18-base plate;
2-blower fan; 21-suction opeing; 22-air outlet;
3-water pump; 4-water pipe; 41-water main;
42-branching pipe; 43-apopore; 5-wets curtain;
51-honeycomb hole; 52-corrugated face; 6-air filtration layer;
61-electrostatic electret screen pack; 62-mesh; 63-nonwoven layer;
64-activated carbon filtration is cotton.
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
As shown in figs. 1-7, a kind of air filter that the utility model provides, comprises casing 1, blower fan 2, water pump 3, water pipe 4, wet curtain 5 and air filtration layer 6.
The side of casing 1 is provided with air inlet 11, blower fan 2 is arranged on casing 1, and the suction opeing 21 of blower fan 2 is positioned at casing 1, and the air outlet 22 of blower fan 2 is positioned at the outside of casing 1, and air filtration layer 6 is arranged in suction opeing 21.
Wet curtain 5 is formed with honeycomb hole 51, and wet curtain 5 is arranged in casing 1, and water pump 3 is arranged on the base plate 18 of casing 1, and is positioned at the below of wet curtain 5, is formed with water storage space 12 between base plate 18 and wet curtain 5, and this water storage space 12 is communicated with the water inlet of water pump 3.
Water pipe 4 comprises water main 41 and branching pipe 42, one end of water main 41 is connected with the delivery port of water pump 3, its other end extends upwardly to the top of wet curtain 5, and connect with branching pipe 42, this branching pipe 42 is flatly arranged in the top of cascade 5, and branching pipe 42 is furnished with multiple apopore 43 equably towards the direction of wet curtain 5.
That is, this air filter is made up of casing 1, blower fan 2, water pump 3, water pipe 4, wet curtain 5 and air filtration layer 6.
Casing 1 surrounds the installing space 15 of a hollow by four pieces of sidewalls 14, top board 17 and base plate 18, and above-mentioned water pump 3, water pipe 4 and wet curtain 5 are installed in this hollow space.
The side of casing 1 arranges air inlet 11, arranges on the side wall 14 particularly, and blinds fan is set on air inlet 11 16 first the big dust particle in air is filtered.
Blower fan 2, for pumping to desired location through air inlet 11 air entered in casing 1, it comprises suction opeing 21 and air outlet 22.Blower fan 2 is arranged on top board 17, and top board 17 is offered installing hole 13, is arranged on by suction opeing 21 in casing 1, for being extracted out by the air in casing 1.Air outlet 22 is positioned at the outside of casing 1, for external pipe or directly the wind of extraction is delivered to desired location.
Wet curtain 5 is for lowering the temperature and humidification to the air of process, and it is arranged in casing 1, and preferably next-door neighbour's air inlet 11 is arranged.Wet curtain 5 is formed with honeycomb hole 51, is referred to as honeycomb hole 51 in the cellular irregular through hole be arranged on wet curtain 5, it passes through for air and water.Wet curtain 5 is in honeycomb, and it is formed by body paper processing.
Air filtration layer 6, for filtering the air of process.It is arranged in suction opeing 21, for effectively filtering the air entering blower fan 2.It can be arbitrarily can to airfiltering component.Air filtration layer 6 can utilize the particle in Electrostatic Absorption and ionized air or utilize the mixed and disorderly fiber interweaved to be formed without several barrier etc. scheme particle, with filtered air particle, reaches the object purified air.
Water pump 3 is arranged on base plate 18, its delivery port is connected with water main 41, water main 41 upwards extends until extend to the top of wet curtain 5, be connected with branching pipe 42 again, branching pipe 42 offers multiple apopore 43, apopore 43 is all arranged towards wet curtain 5, and branching pipe 42 is horizontally disposed above wet curtain 5.
Setting like this, through the water that water pump 2 pumps, the apopore 43 through branching pipe 42 executes water to wet curtain 5 spray, water is after wet curtain 5 carries out cooling humidification, flow to the water storage space 12 of below, because the water inlet of water storage space 12 with water pump 3 is communicated with, then recycle through water pump 3.
Water circulation system is formed by water pump 3, water pipe 4 and water storage space 12, is beneficial to water circulation and uses, saved water resource, and easy to operate.
During use, open blower fan 2, to form negative pressure in casing 1, extraneous air is entered in casing 1 through air inlet 11.First can inject appropriate water in water storage space 12, and open water pump 3 simultaneously, water is made to be sprayed on wet curtain 5 sequentially through water main 41, branching pipe 42, apopore 43, water forms very thin water smoke layer on the surface of wet curtain 5, passed through the water smoke layer of wet curtain 5 by the air of blower fan 2 suction, both carry out exchange heat, and air themperature is declined and humidification, water can take away the larger particles in portion of air in addition, plays the effect of preliminary purification air.
Through the air of prefiltration upwards through the air filtration layer 6 at suction opeing 21 place of blower fan 2, it plays to air the effect that essence filters, and air is after filtering delivered to desired location through air outlet 22 or external pipe.
Flow through the water of wet curtain 5, through gap, the place such as honeycomb hole 51 flows in water storage space 12 downwards, then enters water pump 3 and recycle.
Thus, the air filter that the utility model provides, structure is simple, easy to use, it effectively will filter air and carry out cooling humidification two kinds of functions to air and be integrated in one, go for different places, carry out air quality improvement, and can recycle water, save resource.
As a preferred embodiment of the present utility model, the water main 41 in water pipe 4 can be arranged in sidewall 14, after extending upwardly to the top of wet curtain 5, then stretches out sidewall, and is connected with branching pipe 42.Setting like this, can avoid the interference between the water main 41 upwards arranged and wet curtain 5, maximally utilise installing space.
Preferably, as shown in Figure 8, air filtration layer 6 is in netted electrostatic electret screen pack 61.
Electrostatic electret screen pack 61 can standby storage space electric charge and dipole electric charge, is caught and particle in ionized air, reach the effect of filtered air, and filtration resistance is very little by electrostatic.
Preferably, as shown in Figure 8, distance≤2.5 μm in the mesh 62 of electrostatic electret screen pack 61 between any two points.By distance≤2.5 μm in mesh 62 between any two points, the particle that diameter in air can be less than or equal to 2.5 μm effectively filters, and plays the effect of anti-PM2.5 well, ensure that air quality, ensured health of human body.
Preferably, air filtration layer 6 can be HEPA filter.HEPA filter is high efficiency particle air filter (High efficiency particulate air Filter), reaches the screen pack of HEPA standard.Its efficient feature reaching 99.998%, HEPA net for 0.1 micron and 0.3 micron is that air can pass through, but tiny particulate cannot pass through.It can reach more than 99.7% to the particle removal efficiency that diameter is more than 0.3 micron, is the most effective filtering mediums of pollutant such as smog, dust and bacterium.HEPA filter is made up of laminated borosilicate microfibre.
Preferably, air filtration layer 6 can be ulpa filter.Ulpa filter is ultra high efficiency air cleaner (Ultra Low Penetration Air Filter), or claims ultralow penetrance air cleaner.Ulpa filter further enhances filter effect on the basis of HEPA filter, and it reaches more than 99.9999% to the atomic filter efficiency of more than 0.3 micron.Its filter structure is compacter, filter efficiency is higher, and resistance is also relatively higher simultaneously.Ulpa filter forms by ultra-fine fibre glass filtrate economy-combat glue is folding.
Preferably, as shown in Figure 9, air filtration layer 6 can be nonwoven layer 63, the upper surface of nonwoven layer 63 is provided with activated carbon filtration cotton 64.Air filtration layer 6 is set to nonwoven layer 63, while air being carried out to effectively purification, production cost can be reduced.By arranging activated carbon filtration cotton 64 on the upper surface spinning layer of cloth 63, can pass through activated carbon filtration cotton 64, its hole is many, and specific area is large, can peculiar smell effectively in absorbed air and volatile gas, improves air quality.
Preferably, can air filtration layer 6 be set to be combined by electrostatic electret screen pack 61, HEPA filter, ulpa filter and nonwoven layer 63 as required formed.Namely, air filtration layer 6 is set to a kind of or several arbitrarily combination in electrostatic electret screen pack 61, HEPA filter, ulpa filter and nonwoven layer 63, it can be removed diameter in air and be less than or equal to the particle of 2.5 μm, play effect of anti-PM2.5, ensure that air quality, ensure health of human body.
Experimental data table 1:
As can be seen from above table we, the filter efficiency of simple wet curtain is 12.63%, and the filter efficiency of single scape spring electrostatic electret screen pack is 94.47%, and both combined filtration efficiency can reach 97.12%, reach Expected Results, both compounds can play the effect of synergistic purification air.
Test data table 2:
As can be seen from test chart, the compound of wet curtain and HEPA filter can reach better effect, and filter efficiency can reach 99%.Other combination can certainly be selected as required.
Preferably, as shown in Figure 3-4, casing 1 is in hexahedron, four sidewalls 14 of casing 1 all arrange an air inlet 11, inherent each air inlet 11 place of casing 1 is provided with a wet curtain 5, and branching pipe 42 is bent to form square, and through the top of each wet curtain 5.By all arranging an air inlet 11 on each sidewall 14, air can be increased and enter flow in casing 1, improving the air output of blower fan 2.At each air inlet 11 place, a wet curtain 5 is installed, cooling humidification can be carried out to the air entered from each air inlet 11, and tentatively filter, improve cooling humidification and preliminary effect of filtering.Branching pipe 42 is bent to form square, and through the top of each wet curtain 5, during to ensure that water pump 3 works, each wet curtain 5 can both carry out adding Water spray, thus realize carrying out cooling humidification function to air.
Preferably, as shown in Fig. 1 and Fig. 6-7, honeycomb hole 51 is arranged in vertical direction obliquely, and honeycomb hole 51 is greater than its vertical height away from air inlet 11 end near the vertical height of air inlet 11 end, and adjacent honeycomb hole 51 is in turn connected to form corrugated face.Honeycomb hole 51 is arranged in vertical direction obliquely, is beneficial to current circulation.Its vertical height near air inlet 11 end is greater than its vertical height away from air inlet 11 end, is beneficial to water after carrying out cooling humidification to air, flows in water storage space 12.Adjacent honeycomb hole 14 is in turn connected to form corrugated face 15, is beneficial to area increased, form more large-area water curtain, cooling humidification is carried out to the air of process.
Preferably, the water inlet of water pump 3 is also communicated with outside pond by pipeline.By the water inlet of water pump 3 is communicated with outside pond, can when operating, without the need to injecting water in water storage space 12, after opening water pump 3, the water in outside pond enters water pump 3, then carries out cooling humidification sequentially through water main 41, branching pipe 42, apopore 43 to wet curtain 5, flow in water storage space 12 along the honeycomb hole 51 in wet curtain 5 or gap more afterwards, enter in water pump 3 through water inlet again and recycle, further increase the cyclic utilization rate of water, improve the convenience of operation.
As required, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, other modification some can also be made, also should be considered as protection domain of the present utility model.
Claims (10)
1. an air filter, is characterized in that, comprises casing, blower fan, water pump, water pipe, wet curtain and air filtration layer,
The side of described casing is provided with air inlet, and described blower fan is arranged on described casing, and the suction opeing of described blower fan is positioned at described casing, and the air outlet of described blower fan is positioned at the outside of described casing, and described air filtration layer is arranged in described suction opeing,
Described wet curtain is formed with honeycomb hole, and described wet curtain is arranged in described casing,
Described water pump is arranged on the base plate of described casing, and is positioned at the below of described wet curtain, and be formed with water storage space between described base plate and described wet curtain, described water storage space is communicated with the water inlet of described water pump,
Described water pipe comprises water main and branching pipe, and one end of described water main is connected with the delivery port of described water pump, and its other end extends upwardly to the top of described wet curtain, and connects with described branching pipe,
Described branching pipe is flatly arranged in the top of described cascade, and described branching pipe is furnished with multiple apopore equably towards the direction of described wet curtain.
2. a kind of air filter according to claim 1, is characterized in that, described air filtration layer is in netted electrostatic electret screen pack.
3. a kind of air filter according to claim 2, is characterized in that, distance≤2.5 μm in the mesh of described electrostatic electret screen pack between any two points.
4. a kind of air filter according to claim 1, is characterized in that, described air filtration layer is HEPA filter.
5. a kind of air filter according to claim 1, is characterized in that, described air filtration layer is ulpa filter.
6. a kind of air filter according to claim 2, is characterized in that, described air filtration layer is nonwoven layer, the upper surface of described nonwoven layer is provided with activated carbon filtration cotton.
7. a kind of air filter according to claim 1, is characterized in that, described air filtration layer is combined by electrostatic electret screen pack, HEPA filter, ulpa filter and nonwoven layer and is formed.
8. a kind of air filter according to claim 1, it is characterized in that, described casing is hexahedron, four sidewalls of described casing all arrange a described air inlet, the inherent each described air inlet place of described casing is provided with a described wet curtain, described branching pipe is bent to form square, and through the top of each described wet curtain.
9. a kind of air filter according to claim 1, it is characterized in that, described honeycomb hole is arranged in vertical direction obliquely, described honeycomb hole is greater than its vertical height away from described air inlet end near the vertical height of described air inlet end, and adjacent described honeycomb hole is in turn connected to form corrugated face.
10. a kind of air filter according to claim 1, is characterized in that, the water inlet of described water pump is also communicated with outside pond by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219890.0U CN204121917U (en) | 2014-04-30 | 2014-04-30 | A kind of air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219890.0U CN204121917U (en) | 2014-04-30 | 2014-04-30 | A kind of air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204121917U true CN204121917U (en) | 2015-01-28 |
Family
ID=52378307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420219890.0U Expired - Lifetime CN204121917U (en) | 2014-04-30 | 2014-04-30 | A kind of air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204121917U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949130A (en) * | 2014-04-30 | 2014-07-30 | 中国国旅贸易有限责任公司 | Air filtration device |
| CN106621671A (en) * | 2017-01-13 | 2017-05-10 | 安徽未名鼎和环保有限公司 | Equipment for treating tail gas after trash burning |
| CN107185347A (en) * | 2017-07-19 | 2017-09-22 | 安徽三品技术服务有限公司 | Air purifier filter and its clarifier |
| CN107218242A (en) * | 2017-06-23 | 2017-09-29 | 芜湖启尊智能科技有限公司 | Face device is blown in a kind of purification of automatic track human faces |
| CN112393631A (en) * | 2020-11-06 | 2021-02-23 | 江苏师范大学 | Rear fan cover with plate-fin heat exchanger |
-
2014
- 2014-04-30 CN CN201420219890.0U patent/CN204121917U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949130A (en) * | 2014-04-30 | 2014-07-30 | 中国国旅贸易有限责任公司 | Air filtration device |
| CN103949130B (en) * | 2014-04-30 | 2016-05-11 | 珠海市红旌发展有限公司 | A kind of air filter |
| CN106621671A (en) * | 2017-01-13 | 2017-05-10 | 安徽未名鼎和环保有限公司 | Equipment for treating tail gas after trash burning |
| CN106621671B (en) * | 2017-01-13 | 2018-12-07 | 安徽未名鼎和环保有限公司 | Tail gas treatment device after a kind of incineration firing |
| CN107218242A (en) * | 2017-06-23 | 2017-09-29 | 芜湖启尊智能科技有限公司 | Face device is blown in a kind of purification of automatic track human faces |
| CN107185347A (en) * | 2017-07-19 | 2017-09-22 | 安徽三品技术服务有限公司 | Air purifier filter and its clarifier |
| CN112393631A (en) * | 2020-11-06 | 2021-02-23 | 江苏师范大学 | Rear fan cover with plate-fin heat exchanger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING NANO ACE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHINA INTERNATIONAL TOURISM + TRADE CO., LTD. Effective date: 20150724 Owner name: CHINA INTERNATIONAL TOURISM + TRADE CO., LTD. Free format text: FORMER OWNER: ZHUHAI HONGJING DEVELOPMENT CO., LTD. Effective date: 20150724 |
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Effective date of registration: 20150724 Address after: 102299 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1, Changping science and Technology Park District 1 Building 5 layer Patentee after: BEIJING NAXUN TECHNOLOGY Co.,Ltd. Address before: 100022 A1901-1903, general international center, 3 East Li, Yongan, Chaoyang District, Beijing Patentee before: CHINA INTERNATIONAL TOURISM & TRADE Co.,Ltd. Effective date of registration: 20150724 Address after: 100022 A1901-1903, general international center, 3 East Li, Yongan, Chaoyang District, Beijing Patentee after: CHINA INTERNATIONAL TOURISM & TRADE Co.,Ltd. Address before: 519000 Guangdong province Zhuhai Jida couple Road No. 479 Patentee before: ZHUHAI HONGJING DEVELOPMENT Co.,Ltd. |
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Address after: 102299 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1, Changping science and Technology Park District 1 Building 5 layer Patentee after: BEIJING NANO-ACE TECHNOLOGY Co.,Ltd. Address before: 102299 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1, Changping science and Technology Park District 1 Building 5 layer Patentee before: BEIJING NAXUN TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20150128 |
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