CN206191762U - Two wind channel light catalytic converter - Google Patents
Two wind channel light catalytic converter Download PDFInfo
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- CN206191762U CN206191762U CN201621275768.0U CN201621275768U CN206191762U CN 206191762 U CN206191762 U CN 206191762U CN 201621275768 U CN201621275768 U CN 201621275768U CN 206191762 U CN206191762 U CN 206191762U
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Abstract
The utility model discloses a two wind channel light catalytic converter belongs to the air purification field. The utility model discloses a two wind channel light catalytic converter, including wind channel case, division board and deep bead, wind channel case open end sets up the induced air fan, and the wind channel case other end seals, the division board is divided into two wind channels to the wind channel case to the correspondence sets up two air outlet window, and two wind channels communicate at the blind end of wind channel case, the deep bead is used for switching the air inlet direction, makes air inlet and air -out hocket in the same wind channel. The utility model discloses change traditional single channel wind channel case the binary channels of intercommunication into, can increase the disturbance to the air on the one hand, prevent that the bacterium is attached to the filter on, on the other hand can make adsorption and decomposition function each other not influence, has prolonged the reaction time of ultraviolet ray with same bacterium, and it is more abundant that decomposition reaction goes on, has improved the air purification effect.
Description
Technical field
The utility model is related to technical field of air purification, more specifically to a kind of pair of air channel photocatalysed purifier.
Background technology
With the raising and the concern to itself health care of people's quality of life, air purifier has wide market.Mesh
Preceding air purifier conventional both at home and abroad mainly using charcoal absorption, ozone purification, uv disinfection, high-pressure electrostatic and bear from
The technologies such as sub- dedusting.Existing photocatalysis air purifying device is typically to be killed using the collaborative work of activated carbon and ultraviolet lamp
Bacterium dedusting, i.e., using activated carbon to the suction-operated of small items by the bacterium in air, virus, organic matter and dust adsorption,
Then it is killed in the presence of ultraviolet and photochemical catalyst and is decomposed into carbon dioxide and water.
But there are some defects in the process that current this suction-operated and catharsis are carried out simultaneously.In air purification process
In, outside air constantly enters, and activated carbon constantly adsorbs bacterium, and at the same time, under the irradiation of uviol lamp, organic matter is catalyzed
Decompose, produced gas can hinder the new bacterium dust of charcoal absorption during outwards release；If additionally, activity
Charcoal absorption bacterium will still undecomposed part overlaid, it will reduces the operating efficiency of clarifier, causes purification of air not thorough, deposits
In secondary pollution.Regarding to the issue above, following scheme is retrieved in the prior art：
Scheme 1：Chinese Patent Application No.：201410357962.2, the applying date：On July 25th, 2014, this application case is disclosed
A kind of air duct type photocatalysis air purifying device, including housing, enclosure interior are provided with least one set of photocatalyst structure, photocatalysis
Photocatalysis filter screen and ultraviolet source are provided with structure, in photocatalyst structure, photocatalysis filter screen is two and entirety is in back and forth song
The W shapes of folding, are provided with fin between two photocatalysis filter screens, W-shaped on fin length direction and be transversely connected in housing
Portion, fin width and housing vertical consistency, fin middle part are described through the transparent casing being provided with along housing horizontally set
Ultraviolet source is arranged in transparent casing；The photocatalysis filter screen, fin and shell inner surface are coated with photochemical catalyst.
Scheme 2：Chinese patent application：201610444803.5, the applying date：On June 21st, 2016, this application case is disclosed
A kind of equal streamer catalysis system of new gas, including：Body, internal body is a cavity, and the body is in the longitudinal direction
One end offers air inlet, and the body other end in the longitudinal direction offers air outlet；The light being installed in cavity is urged
Change machine, cavity is separated into one near the first chamber of air inlet and one near air outlet to the photocatalysis machine by portion in the cavities
Second chamber, first chamber connects second chamber by photocatalysis machine；It is installed on the internal circulation apparatus in cavity, including interior circulation
Air channel, accessory fan, the one end in the interior circulation air channel are communicated in first chamber, and the other end is communicated in second chamber, interior circulation
Accessory fan is provided with air channel.
The solution that above-mentioned patent formula is proposed both for the not thorough problem of purification of air, in scheme 1 mainly
By the decomposition efficiency for increasing the photocatalysis area of adsorption plate to improve bacterium；Scheme 2 is the holdup time by extending air
To improve purification efficiency, although both all scarce certain effects, it is difficult to elimination catalytic decomposition and is influenced each other with bacterial adsorption
Problem.
Utility model content
1. the utility model technical problem to be solved
During suction-operated and photocatalysis Decomposition is carried out, the gas for decompositing can shadow for air purifier in the prior art
Bacterium, the absorption of dust are rung, purification of air is not thorough, the utility model provides a kind of pair of air channel photocatalysed purifier, purpose
It is to overcome the problem, to reduce influencing each other for decomposition and suction-operated, improves air purification effect.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the utility model is provided is：
A kind of pair of air channel photocatalysed purifier of the present utility model, including
Air channel case, air channel case openend sets air inducing fan, air channel case other end closing；
Air channel case is divided into two air channels by division board, the division board, and is correspondingly arranged two air outlet windows, and two air channels are in wind
The blind end connection of road case；
Deep bead, for switching air intake direction, makes in same air channel air intake and air-out alternately.
Further improved as the utility model, each air outlet window one deep bead being articulated and connected of correspondence passes through
The rotation of deep bead makes its closure air outlet window or blocks corresponding air channel.
Further improved as the utility model, the deep bead is hinged by baffle plate connecting shaft and division board, kept off
Plate connecting shaft is connected with machine shaft；Or：Deep bead is connected by swing connecting bar with machine shaft, by motor control deep bead
Intermittence swings.
Further improved as the utility model, the blinds that the air outlet window is made up of multiple rotation blades arrangements
Window, the blade can be rotated around middle part jointed shaft, and the scope of angle of rotation α is 40~85 °.
Further improved as the utility model, the air channel case is provided with starting switch, when deep bead swings to
During correspondence position, starting switch controls corresponding air outlet window to open.
Further improved as the utility model, the air inlet of the air channel case is mainly made up of blast pipe, air intake
Sectional area of the tube section product less than air channel case working chamber.
Further improved as the utility model, in air channel, the air inlet of case is provided with coarse strainer.
Further improved as the utility model, multiple filtration plate is provided with the case of air channel for adsorbing bacterium, and
It is that every layer of filter configures corresponding uviol lamp.
Further improved as the utility model, the filter is W shapes or arc, or V-arrangement and arc
Combining structure.
Further improved as the utility model, the filter is V-type filter, it is open towards air channel case
Air intake direction.
3. beneficial effect
The technical scheme provided using the utility model, compared with prior art, is had the advantages that：
(1) traditional single channel air channel case, is changed to connection by a kind of pair of air channel photocatalysed purifier of the present utility model
Binary channels, on the one hand can increase the disturbance to air, prevent bacterium to be attached on filter；On the other hand can make absorption
It is independent of each other with decomposition, extends the reaction time of ultraviolet light and same bacterium, it is more abundant that decomposition reaction is carried out, and carries
Air purification effect high；
(2) a kind of pair of air channel photocatalysed purifier of the present utility model, by the swing of deep bead, can carry out air channel and cut
Change；Additionally, air outlet window is made up of multiple rotation blades arrangements, blade can within the specific limits be rotated around middle part jointed shaft,
Inlet side, due to wind-force effect, is closed air outlet window；In air side, due to wind-force effect, rotation makes blade automatically
Air outlet window is opened, so that air draft can be carried out, without external impetus, energy-conserving and environment-protective；
(3) a kind of pair of air channel photocatalysed purifier of the present utility model, air outlet window can use common open and close type plate window, and lead to
The folding of motor control air outlet window is crossed, while setting corresponding starting switch, the starting switch can be contact switch or light sensation
Inductive switch etc., after deep bead touches starting switch, air outlet window is opened, and using reliability, sealing effect is good；
(4) filter, is arranged to V-type or arc, and make recessed by a kind of pair of air channel photocatalysed purifier of the present utility model
Mouth contributes to the absorption of bacterium towards the air intake direction of air channel case in inlet side；And do not interfere with organic matter in air side
Photocatalysis Decomposition, further increases the synergistic purification effect of suction-operated and catalytic action, and structure is reasonable in design, and principle is simple,
It is easy to promote the use of.
Brief description of the drawings
Fig. 1 is the structural representation of the double air channel photocatalysed purifiers in the utility model；
Fig. 2 is the arrangement schematic diagram of V-type filter and uviol lamp in the utility model；
Fig. 3 is the structural representation in the utility model using W shape filter clarifiers；
Fig. 4 is the structural scheme of mechanism with shutter clarifier in the utility model；
Fig. 5 is the structural representation of shutter in the utility model；
Fig. 6 is the structural representation in the utility model using arc filter clarifier；
Fig. 7 is the structural representation of the clarifier using double deep beads in the utility model.
Label declaration in schematic diagram：1st, air channel case；2nd, the first air outlet window；3rd, deep bead；4th, controlling switch；5th, air inducing
Fan；6th, blast pipe；7th, the second air outlet window；8th, baffle plate connecting shaft；9th, division board；10th, V-type filter；11st, uviol lamp；12nd, leaf
Piece；13rd, the first deep bead；14th, the second deep bead.
Specific embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1, a kind of pair of air channel photocatalysed purifier of the present embodiment, including air channel case, air channel case are single radial cut knot
Structure, the openend of air channel case 1 sets air inducing fan 5, the closing of the other end of air channel case 1；Uviol lamp and filter are set in the case of air channel,
Have photocatalytic coating on filter, dust and bacterium in the adsorbable air of filter, uviol lamp can decomposing bacteria etc. have
Machine thing, and catalyst can accelerate the carrying out of decomposition reaction.
The present embodiment sets division board in air channel case 1, and 1 point air channel case of the division board 9 is two air channels, two air channels
The blind end connection of case 1 in air channel, enables air intake to enter another air channel from an air channel.Set exhaust outlet is in air channel
The neck location of case 1, air outlet window, each air channel one air outlet window of correspondence are installed in exhaust outlet.
In order to control air intake direction, deep bead is provided with case 1 in air channel, the deep bead 3 is used to switch air intake side
To making in same air channel air intake and air-out alternately.As shown in figure 1, specific in the present embodiment, deep bead 3 and division board 9
It is articulated and connected, air intake direction is switched by deep bead 3.
Deep bead 3 is hinged by baffle plate connecting shaft 8 with division board 9, and baffle plate connecting shaft 8 is connected with machine shaft, works as motor
During rotation, deep bead synchronous axial system.
With reference to Fig. 1, in an initial condition, deep bead 3 blocks the air inlet of air channel B, and air channel A is opened, now A pairs, air channel
The second air outlet window 7 answered is closed, and B corresponding first air outlet windows 2 in air channel are opened；In the presence of air inducing fan 5, extraneous air is from wind
The blast pipe 6 of the front end of road case 1 enters, and the working chamber of air channel case 1 is then entered from air channel A, can be using activated carbon filter to thin
Bacterium, dust are adsorbed, and decompose organic matter using ultraviolet light；Air enters in the B of air channel from the blind end of air channel case 1, from
Filtering back blowing, the then decomposition that filter front is carried out does not interfere with the absorption of bacterium in the A of air channel.Thus may be used
Know, in the A of air channel, the front of filter is substantially carried out suction-operated, while photocatalysis Decomposition can be carried out；And in the B of air channel, can
Photocatalysis Decomposition effect effectively is carried out, gases affect bacterial adsorption is produced so as to solve the problems, such as to decompose.
Embodiment 2
With reference to Fig. 1, Fig. 2, the difference of clarifier is in the present embodiment：Filter is provided with multilayer in air channel case 1, and
Filter is V-type filter 10, and its opening is respectively provided with towards the air intake direction of air channel case at the V-type mouthful of each V-type filter 10
There is uviol lamp 11.
Due to V-type opening towards the air intake direction of air channel case, in air channel during air intake, there can be larger adsorption area, carry
Bacterium high and the adsorption efficiency of dust；And in air-out, wind blows from the corners at the V-structure back side, filter is not interfered with
Positive photocatalysis Decomposition effect.
Additionally, being provided with uviol lamp 11 at V-type mouthful the filter can be made to have larger contact area with ultraviolet light, enter one
Step improves photocatalysis Decomposition efficiency.Meanwhile, sectional area of the sectional area of blast pipe 6 less than the working chamber of air channel case 1 can be set, it is easy to
Control the exhaust effect of air outlet window.The controlling switch 4 of total system can be also arranged on blast pipe 6, be easy to operation, it is specifically used
When, the set location of controlling switch 4 is not specifically limited.
Embodiment 3
With reference to Fig. 3, the difference of clarifier is in the present embodiment：Set filter is W shapes, W shapes filtering
Plate is provided with 4 layers, also can more need specific setting, and its number of plies is not specifically limited.
During using W shape filters, both sides can be carried out bacterial adsorption and catalysis, and main difference is adsorption plane and urge
Change decomposition face constantly to switch on same filter, but the efficiency of entirety increases.
Additionally, deep bead 3 is connected with machine shaft by swing connecting bar, quadric chain is formed, by motor control
Deep bead 3 is intermittent to be swung.Which is identical with the effect for directly being rotated by rotary shaft driving deep bead 3, can be according to reality
The connected mode for needing selection different.
Embodiment 4
With reference to Fig. 4, the difference of clarifier is in the present embodiment：Air outlet window is made up of multiple rotation blades arrangements
Shutter, the quantity of rotation blade can determine according to air outlet window size and blade pitgh, typically may be selected 2~20, not have
Concrete restriction.
As shown in figure 5, multiple laid out in parallel of blade 12, and spacing is equal, blade 12 can be rotated around middle part jointed shaft, be turned
The slewing area of dynamic angle α is 40~85 °, it is preferable that the present embodiment selects 75 °, i.e. blade 12 from closed state to opening completely
When the angle that rotates be 75 °.
When specifically used, the direction of closure state lower blade 12 away from the air inlet of air channel case 1, with entering for air channel case 1
Wind direction is identical.Then in air channel air intake, due to wind-force effect, it is laminated between blade, in closure state；When air channel is in
During air draft state, wind direction and blade towards conversely, and then rotate blade, in maximum subtended angle state, air can be from leaf
Discharge in piece gap.Air outlet window can automatically control the folding of air outlet window according to the switching in air channel in the structure, it is not necessary to which outside is dynamic
Power, energy-conserving and environment-protective.
Embodiment 5
With reference to Fig. 6, the difference of clarifier is in the present embodiment：Set filter is arcuate structure, multiple
Composition filter is connected with each other between arc, filter both sides are provided with uviol lamp.
Photochemical catalyst is scribbled in filter both sides, the catalyst can be nanoscale TiO2Photochemical catalyst, uviol lamp is purple
Outer optical diode.
Embodiment 6
The difference of clarifier is in the present embodiment：Further limitation is done to filter, the filter is activity
Charcoal filter, the dust in bacterium and air can be adsorbed using activated carbon, and activated carbon adsorptive capacity is strong, pollution-free, also
Secondary utilization can be carried out, using effect is good.
Embodiment 7
With reference to Fig. 7, the difference of clarifier is in the present embodiment：In order to control air intake direction, the case 1 in air channel
Deep bead is inside provided with, the deep bead 3 is used to switch air intake direction, makes in same air channel air intake and air-out alternately.Specifically
Ground, each air outlet window one deep bead being articulated and connected of correspondence, including it is hingedly connected to the He of the first deep bead 13 on blast pipe 6
Second deep bead 14, makes it be used to block air outlet window or blocks corresponding air channel by the rotation of deep bead.
In order to ensure the harmony of air intake and air draft, the aperture area phase of the first air outlet window 2 and the second air outlet window 7
Together, then the first deep bead 13 is identical or symmetrical with the shapes and sizes of the second deep bead 14, and division board 9 is located at air channel case 1
Middle part, the first deep bead 13 is identical with the distance of the jointed shaft isolation by distance plate 9 of the second deep bead 14.
When using, can be by motor control the first deep bead 13 and the synchronization action of the second deep bead 14.In an initial condition,
Second deep bead 14 blocks the second air outlet window 7, and the first deep bead 13 blocks air channel B, then air inducing fans 5 introduced air from air channel
Enter in A, by being discharged from air channel B after purification.
By after certain time interval, the first deep bead 13 turns to the position of the first air outlet window 2, blocks air outlet, with
This simultaneously, the second deep bead 14 swing to the contact position of division board 9, block air channel A, now can from air intake in the B of air channel, from
The air draft of second air outlet window 7 of air channel A, realizes the exchange that suction-operated is acted on photocatalysis Decomposition on filter, it is ensured that air is net
That changes is efficiently carried out.
Embodiment 8
With reference to Fig. 7, the difference of clarifier is in the present embodiment：Filter is V-type activated carbon filter, each V
The opening of type filter 10 is correspondingly arranged on uviol lamp 11, and V-type filter 10 is staggered in air channel case 1, lateral plan
Similar fish scale-shaped.The Structural assignments can make full use of the space in air channel case 1, help further to improve purification of air effect
Rate.
The filter for being used can be network structure, or with foraminate platy structure, not influence air
On the premise of circulation and adsorption effect, it is not particularly limited in the present embodiment.
Also coarse strainer can be set on blast pipe 6, the coarse strainer is located at air inducing and fans outside, on the one hand can prevent outside winged insect
Enter into the case of air channel, it is to avoid the long term accumulation of polypide and larger dust blocks air channel, on the other hand plays safeguard protection
Effect.
The present invention is changed to traditional single channel air channel case the binary channels of connection, on the one hand can increase and air is disturbed
It is dynamic, prevent bacterium to be attached on filter；On the other hand suction-operated and decomposition can be made to be independent of each other, both are same
On filter alternately, the reaction time of ultraviolet light and same bacterium is extended, it is more abundant that decomposition reaction is carried out, and improves
Air purification effect.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of implementation method of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (10)
1. a kind of pair of air channel photocatalysed purifier, it is characterised in that：Including
Air channel case, air channel case (1) openend sets air inducing fan (5), the closing of air channel case (1) other end；
Air channel case (1) is divided into two air channels by division board, the division board (9), and is correspondingly arranged two air outlet windows, and two air channels exist
The blind end connection of air channel case (1)；
Deep bead, for switching air intake direction, makes in same air channel air intake and air-out alternately.
2. a kind of pair of air channel photocatalysed purifier according to claim 1, it is characterised in that：Each air outlet window correspondence one
The deep bead being articulated and connected, makes it block air outlet window or blocks corresponding air channel by the rotation of deep bead.
3. a kind of pair of air channel photocatalysed purifier according to claim 1, it is characterised in that：The deep bead (3) passes through
Baffle plate connecting shaft (8) is hinged with division board (9), and baffle plate connecting shaft (8) is connected with machine shaft；
Or：Deep bead (3) is connected by swing connecting bar with machine shaft, is swung by the way that motor control deep bead (3) is intermittent.
4. a kind of pair of air channel photocatalysed purifier according to claim 3, it is characterised in that：The air outlet window is by multiple
The shutter of rotation blades arrangement composition, the blade can be rotated around middle part jointed shaft, and the scope of angle of rotation α is 40~85 °.
5. a kind of pair of air channel photocatalysed purifier according to claim 3, it is characterised in that：Set on the air channel case (1)
There is starting switch, when deep bead (3) swings to correspondence position, starting switch controls corresponding air outlet window to open.
6. a kind of pair of air channel photocatalysed purifier according to any one of Claims 1 to 5, it is characterised in that：The wind
The air inlet of road case (1) is mainly made up of blast pipe (6), section of blast pipe (6) sectional area less than air channel case (1) working chamber
Product.
7. a kind of pair of air channel photocatalysed purifier according to any one of Claims 1 to 5, it is characterised in that：In air channel
The air inlet of case (1) is provided with coarse strainer.
8. a kind of pair of air channel photocatalysed purifier according to any one of Claims 1 to 5, it is characterised in that：Air channel case
(1) multiple filtration plate is provided with for adsorbing bacterium, and is that every layer of filter configures corresponding uviol lamp.
9. a kind of pair of air channel photocatalysed purifier according to claim 8, it is characterised in that：The filter be W shapes or
Arc, or V-arrangement and arc combining structure.
10. a kind of pair of air channel photocatalysed purifier according to claim 9, it is characterised in that：The filter is V-type mistake
Filter plate (10), it is open towards the air intake direction of air channel case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275768.0U CN206191762U (en) | 2016-11-25 | 2016-11-25 | Two wind channel light catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275768.0U CN206191762U (en) | 2016-11-25 | 2016-11-25 | Two wind channel light catalytic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191762U true CN206191762U (en) | 2017-05-24 |
Family
ID=58724542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621275768.0U Expired - Fee Related CN206191762U (en) | 2016-11-25 | 2016-11-25 | Two wind channel light catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191762U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036202A (en) * | 2017-05-27 | 2017-08-11 | 陈永胜 | A kind of indoor air-purification device |
| CN107238137A (en) * | 2017-08-13 | 2017-10-10 | 江翠珍 | A kind of environmentally friendly air pollution clarifier |
| CN107355921A (en) * | 2017-07-22 | 2017-11-17 | 江翠珍 | A kind of environmentally friendly air cleaning unit |
| CN107449108A (en) * | 2017-07-22 | 2017-12-08 | 江翠珍 | A kind of air purification method and air cleaning system |
| CN107998835A (en) * | 2017-12-19 | 2018-05-08 | 牧原食品股份有限公司 | A kind of pig house stench processing system |
| CN110631165A (en) * | 2019-10-25 | 2019-12-31 | 重庆懿熙品牌策划有限公司 | Dust collector and airtight space ventilation device thereof |
| CN110748373A (en) * | 2019-10-25 | 2020-02-04 | 重庆懿熙品牌策划有限公司 | Differential pressure mechanism and airtight space ventilation device thereof |
| CN110748371A (en) * | 2019-10-25 | 2020-02-04 | 重庆懿熙品牌策划有限公司 | Rolling brush mechanism and ventilation device for closed space of rolling brush mechanism |
| CN110920354A (en) * | 2019-12-03 | 2020-03-27 | 常熟市汽车饰件股份有限公司 | Rear-mounted simple pendulum vehicle air outlet adjusting mechanism |
| CN111494695A (en) * | 2020-03-12 | 2020-08-07 | 浙江慧升热能科技有限公司 | High-efficiency energy-saving air sterilizer |
| CN113883631A (en) * | 2021-09-28 | 2022-01-04 | 泮梓胜 | Medical environment humidification assembly and humidification equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036202A (en) * | 2017-05-27 | 2017-08-11 | 陈永胜 | A kind of indoor air-purification device |
| CN107355921B (en) * | 2017-07-22 | 2020-01-24 | 肇庆泰信环保新材料有限公司 | Environment-friendly air purification device |
| CN107355921A (en) * | 2017-07-22 | 2017-11-17 | 江翠珍 | A kind of environmentally friendly air cleaning unit |
| CN107449108A (en) * | 2017-07-22 | 2017-12-08 | 江翠珍 | A kind of air purification method and air cleaning system |
| CN107449108B (en) * | 2017-07-22 | 2019-12-24 | 广州雅康净化工程有限公司 | Air purification method and air purification system |
| CN107238137A (en) * | 2017-08-13 | 2017-10-10 | 江翠珍 | A kind of environmentally friendly air pollution clarifier |
| CN107998835A (en) * | 2017-12-19 | 2018-05-08 | 牧原食品股份有限公司 | A kind of pig house stench processing system |
| CN110631165A (en) * | 2019-10-25 | 2019-12-31 | 重庆懿熙品牌策划有限公司 | Dust collector and airtight space ventilation device thereof |
| CN110748373A (en) * | 2019-10-25 | 2020-02-04 | 重庆懿熙品牌策划有限公司 | Differential pressure mechanism and airtight space ventilation device thereof |
| CN110748371A (en) * | 2019-10-25 | 2020-02-04 | 重庆懿熙品牌策划有限公司 | Rolling brush mechanism and ventilation device for closed space of rolling brush mechanism |
| CN110748373B (en) * | 2019-10-25 | 2021-06-04 | 重庆懿熙品牌策划有限公司 | Ventilation device for underground closed space |
| CN110748371B (en) * | 2019-10-25 | 2021-09-21 | 合肥净龙环保科技有限公司 | Ventilation and air change device for closed space of mine |
| CN110920354A (en) * | 2019-12-03 | 2020-03-27 | 常熟市汽车饰件股份有限公司 | Rear-mounted simple pendulum vehicle air outlet adjusting mechanism |
| CN111494695A (en) * | 2020-03-12 | 2020-08-07 | 浙江慧升热能科技有限公司 | High-efficiency energy-saving air sterilizer |
| CN113883631A (en) * | 2021-09-28 | 2022-01-04 | 泮梓胜 | Medical environment humidification assembly and humidification equipment |
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Granted publication date: 20170524 Termination date: 20171125 |