CN107192030A - A kind of indoor air exchanger with air-cleaning function - Google Patents
A kind of indoor air exchanger with air-cleaning function Download PDFInfo
- Publication number
- CN107192030A CN107192030A CN201710570708.4A CN201710570708A CN107192030A CN 107192030 A CN107192030 A CN 107192030A CN 201710570708 A CN201710570708 A CN 201710570708A CN 107192030 A CN107192030 A CN 107192030A
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- CN
- China
- Prior art keywords
- air
- fixedly connected
- water tank
- purifying box
- water
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a kind of indoor air exchanger with air-cleaning function, including bottom plate, the lower surface of the bottom plate is fixedly connected with mounting bracket, bolt is fixedly connected with the mounting bracket, the upper surface of the mounting bracket is fixedly connected with purifying box, and the surface of the purifying box is fixedly connected with air pump, and the arrival end of the air pump is fixedly connected with blast pipe, one end of the blast pipe is fixedly connected with inlet scoop, and the port of export of the air pump is fixedly connected with discharge pipe.The present invention is by setting air pump, blast pipe, inlet scoop, discharge pipe, water tank and O-ring seal, extraneous air is extracted into by interior by air pump, air enters from the downside of water tank, the dusty material that air flows into after water tank in air is adsorbed by water, so that dirt content is greatly reduced in the air of outflow, the effect of purification air has been reached.
Description
Technical field
The present invention relates to technical field of environment protection equipment, specially a kind of room air with air-cleaning function is exchanged
Device.
Background technology
Air cleaning refers to remove haze for indoor various environmental problems offer sterilizing, depositing dust, dispels harmful finishing
The total solution such as residual and peculiar smell, raising is made the life better and office conditions, promotes physically and mentally healthy, indoor environmental pollution thing
Mainly include radgas, mould, particulate matter, finishing residual and second-hand-cigarette etc. with pollution source.
Ventilator is a kind of extractor fan for drawing outdoor air into interior, due to some indoor closings throughout the year, causes sky
Gas does not circulate, and not only oxygen concentration is relatively low, and easily grows germ, so by setting ventilator can be by outdoor air
Pump and get in, but just like areas such as Beijing, outdoor air contains many bulky grain dust, suction can make to the health of people
Into influence, so need to carry out purification run while carrying out and pumping wind, and ventilator in the market does not possess generally
Such function.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of indoor air exchanger with air-cleaning function,
The problem of ventilator for solving in the market does not possess air purification function.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of room air with air-cleaning function
Exchanger, including bottom plate, the lower surface of the bottom plate, which is fixedly connected with mounting bracket, the mounting bracket, is fixedly connected with bolt,
The upper surface of the mounting bracket is fixedly connected with purifying box, and the surface of the purifying box is fixedly connected with air pump, the air pump
Arrival end is fixedly connected with blast pipe, and one end of the blast pipe is fixedly connected with inlet scoop, and the port of export of the air pump is fixed
It is connected with discharge pipe.
The bottom of the purification chamber interior wall is fixedly connected with water tank, and the surface of purifying box is run through in one end of the discharge pipe
And extend in water tank, and the junction of discharge pipe and water tank is fixedly connected with O-ring seal, the upper table of the water tank
Face is fixedly connected with the first air channel, and the inwall of the purifying box is fixedly connected with the second air channel, first air channel and the second wind
Road is connected, and one end of the second channel is fixedly connected with connecting tube, and one end of the connecting tube is fixedly connected with the 3rd wind
Road, the inwall of the connecting tube, which is fixedly connected with first support, the first support, is fixedly connected with bearing, the bearing
Surface is fixedly connected with motor, and the output shaft of the motor is fixedly connected with wind wheel, the 3rd air channel through the surface of bearing
Inwall be fixedly connected with second support, the surface of the second support is fixedly connected with adsorption net, the surface of the purifying box
Through hole is offered, the through hole is connected with the 3rd air channel, and the inwall of the through hole is fixedly connected with Air outlet net.
The lower surface of the water tank is fixedly connected with drainpipe, and the lower surface of purifying box is run through in one end of the drainpipe
And it is exposed outside, the upper surface of the water tank is fixedly connected with water inlet pipe, and one end of the water inlet pipe is through the upper of purifying box
Surface and it is exposed outside, be installed with stop valve on the drainpipe and water inlet pipe.
It is preferred that, the mounting bracket is mounted by means of bolts on wall.
It is preferred that, the connecting tube is shaped as truncated cone-shaped, and one end area that connecting tube is connected with the second air channel is smaller,
One end area that connecting tube is connected with the 3rd air channel is larger.
It is preferred that, the turbine for being shaped as truncated cone-shaped of the wind wheel.
It is preferred that, the inlet scoop is fixedly mounted on outdoor.
It is preferred that, the wind net includes framework, and the inwall of the framework is connected with first by first rotating shaft and kept out the wind
Plate, the inwall of the framework is connected with the second deep bead by the second rotating shaft, and first deep bead is laterally sets, institute
State the second deep bead longitudinally disposed.
(3) beneficial effect
The invention provides a kind of indoor air exchanger with air-cleaning function.Possesses following beneficial effect：
(1), the present invention passes through air pump by setting air pump, blast pipe, inlet scoop, discharge pipe, water tank and O-ring seal
Extraneous air is extracted into interior, air enters from the downside of water tank, air flows into the dusty material in air after water tank
Adsorbed by water, so that dirt content is greatly reduced in the air of outflow, reached the effect of purification air.
(2), the present invention is by setting second support and adsorption net, when air circulation by adsorption net by the water in air
Divide and adsorbed, there was dampness in the air so as to avoid, it is ensured that room air is dried, and prevents indoor growth germ.
(3), the present invention is passed through by setting framework, first rotating shaft, the first deep bead, the second rotating shaft and the second deep bead
First deep bead and the second deep bead rotate around first rotating shaft and the second rotating shaft, so as to adjust the wind direction of air outflow.
(4), the present invention is by setting first support, bearing, motor and wind wheel, so that motor running drives wind wheel rotation
Turn, pumped the air in the second air channel to the 3rd air channel by wind wheel rotation, and wind wheel is truncated cone-shaped so that and air is uniform
The air channel of inflow the 3rd so that the air moisture absorption is evenly.
(5), the present invention is by setting drainpipe, water inlet pipe and stop valve, by the stop valve on the downside of opening, by water tank
Interior water is released out of drainpipe, the stop valve on the upside of opening, and fresh water is injected out of water inlet pipe, is easy to so as to reach
Regularly replace the effect of water.
Brief description of the drawings
Fig. 1 is the structural representation of front view of the present invention；
Fig. 2 is the cross-sectional view of purifying box front view of the present invention；
Fig. 3 is the cross-sectional view of purifying box side view of the present invention.
In figure：1 bottom plate, 2 mounting brackets, 3 bolts, 4 purifying boxs, 5 air pumps, 6 blast pipes, 7 inlet scoops, 8 discharge pipes, 9 water storages
Tank, 10 O-ring seals, 11 first air channels, 12 second air channels, 13 connecting tubes, 14 second air channels, 15 first supports, 16 bearings, 17
Motor, 18 wind wheels, 19 second supports, 20 adsorption nets, 21 through holes, 22 Air outlet nets, 221 frameworks, 222 first rotating shafts, 223 first gear
Aerofoil, 224 second rotating shafts, 225 second deep beads, 23 drainpipes, 24 water inlet pipes, 25 stop valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-3, the present invention provides a kind of technical scheme：A kind of room air with air-cleaning function is exchanged
Device, including bottom plate (1), the lower surface of bottom plate (1) are fixedly connected with mounting bracket (2), and mounting bracket is fixedly connected with bolt on (2)
(3), mounting bracket (2) is fixedly mounted on wall by bolt (3), and the upper surface of mounting bracket (2) is fixedly connected with purifying box
(4), the surface of purifying box (4) is fixedly connected with air pump (5), and the arrival end of air pump (5) is fixedly connected with blast pipe (6), air intake
One end of pipe (6) is fixedly connected with inlet scoop (7), and inlet scoop (7) is fixedly mounted on outdoor, and the port of export of air pump (5), which is fixed, to be connected
It is connected to discharge pipe (8).
The bottom of purifying box (4) inwall is fixedly connected with water tank (9), and one end of discharge pipe (8) is through purifying box (4)
Surface is simultaneously extended in water tank (9), and the junction of discharge pipe (8) and water tank (9) is fixedly connected with O-ring seal (10),
The upper surface of water tank (9) is fixedly connected with the first air channel (11), and the inwall of purifying box (4) is fixedly connected with the second air channel
(12), the first air channel (11) are connected with the second air channel (12), and one end of second channel (12) is fixedly connected with connecting tube (13),
One end of connecting tube (13) is fixedly connected with the 3rd air channel (14), and connecting tube (13) is shaped as truncated cone-shaped, and connecting tube (13)
One end area being connected with the second air channel (12) is smaller, and one end area that connecting tube (13) is connected with the 3rd air channel (14) is larger,
The inwall of connecting tube (13) is fixedly connected with first support (15), first support (15) and is fixedly connected with bearing (16), bearing
(16) surface is fixedly connected with motor (17), and the output shaft of motor (17) is fixedly connected with wind wheel through the surface of bearing (16)
(18), the turbine for being shaped as truncated cone-shaped of wind wheel (18), the inwall in the 3rd air channel (14) is fixedly connected with second support (19), the
The surface of two supports (19) is fixedly connected with adsorption net (20), and the surface of purifying box (4) offers through hole (21), through hole (21) with
3rd air channel (14) is connected, and the inwall of through hole (21) is fixedly connected with Air outlet net (22), and wind net (22) includes framework (221),
The inwall of framework (221) is connected with the first deep bead (223) by first rotating shaft (222), and the inwall of framework (221) passes through
Second rotating shaft (224) is connected with the second deep bead (225), and the first deep bead (223) is laterally sets, the second deep bead
(225) it is longitudinally disposed.
The lower surface of water tank (9) is fixedly connected with drainpipe (23), and one end of drainpipe (23) is through purifying box (4)
Lower surface and it is exposed outside, the upper surface of water tank (9) is fixedly connected with water inlet pipe (24), and one end of water inlet pipe (24) is through net
Change case (4) upper surface and it is exposed outside, be installed with stop valve (25) on drainpipe (23) and water inlet pipe (24).
A kind of room air exchange method with air-cleaning function, it is characterised in that：(s1), by setting air pump
(5), blast pipe (6), inlet scoop (7), discharge pipe (8), water tank (9) and O-ring seal (10), will be extraneous by air pump (5)
Air is extracted into interior, and air enters from the downside of water tank (9), and air flows into dusty material quilt of the water tank (9) afterwards in air
Water is adsorbed；(s2), by setting second support (19) and adsorption net (20), when air circulation by adsorption net (20) by sky
Moisture in gas is adsorbed, so as to avoid, there was dampness in the air, it is ensured that room air is dried, and prevents indoor growth germ；(s3)、
By setting framework (221), first rotating shaft (222), the first deep bead (223), the second rotating shaft (224) and the second deep bead
(225), revolved by the first deep bead (223) and the second deep bead (225) around first rotating shaft (222) and the second rotating shaft (224)
Turn；(s4), by setting first support (15), bearing (16), motor (17) and wind wheel (18), so that motor (17) operates band
Dynamic wind wheel (18) rotation, is pumped the air in the second air channel (12) to the 3rd air channel (14) by wind wheel (18) rotation, and
Wind wheel (18) is truncated cone-shaped so that air uniformly flows into the 3rd air channel (14) so that the air moisture absorption is evenly；(s5), pass through
Drainpipe (23), water inlet pipe (24) and stop valve (25) are set, by the stop valve (25) on the downside of opening, by water tank (9)
Water release out of drainpipe (23), the stop valve (25) on the upside of opening injects fresh water out of water inlet pipe (24) so that
The effect for being easy to regularly replace water is reached
It can to sum up obtain, (1), the present invention are by setting air pump (5), blast pipe (6), inlet scoop (7), discharge pipe (8), water storage
Tank (9) and O-ring seal (10), are extracted into interior, air enters on the downside of water tank (9) by air pump (5) by extraneous air
Enter, air flows into dusty material of the water tank (9) afterwards in air and adsorbed by water, so that dirt content in the air of outflow
Greatly reduction, has reached the effect of purification air.
(2), the present invention passes through adsorption net (20) by setting second support (19) and adsorption net (20) when air circulation
Moisture in air is adsorbed, so as to avoid, there was dampness in the air, it is ensured that room air is dried, and prevents indoor growth germ.
(3), the present invention is by setting framework (221), first rotating shaft (222), the first deep bead (223), the second rotating shaft
(224) first rotating shaft (222) and the second deep bead (225), is surrounded by the first deep bead (223) and the second deep bead (225)
Rotated with the second rotating shaft (224), so as to adjust the wind direction of air outflow.
(4), the present invention is by setting first support (15), bearing (16), motor (17) and wind wheel (18), so that motor
(17) running drives wind wheel (18) rotation, is pumped the air in the second air channel (12) to the 3rd air channel by wind wheel (18) rotation
(14), and wind wheel (18) be truncated cone-shaped so that air uniformly flows into the 3rd air channel (14) so that the air moisture absorption is evenly.
(5), the present invention passes through cutting on the downside of opening by setting drainpipe (23), water inlet pipe (24) and stop valve (25)
Only valve (25), the water in water tank (9) are released out of drainpipe (23), the stop valve (25) on the upside of opening, by fresh water
Injected in from water inlet pipe (24), so as to reach the effect for being easy to regularly replace water.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of indoor air exchanger with air-cleaning function, including bottom plate (1), it is characterised in that：The bottom plate (1)
Lower surface be fixedly connected with mounting bracket (2), the mounting bracket (2) and be fixedly connected with bolt (3), the mounting bracket (2)
Upper surface is fixedly connected with purifying box (4), and the surface of the purifying box (4) is fixedly connected with air pump (5), the air pump (5)
Arrival end is fixedly connected with blast pipe (6), and one end of the blast pipe (6) is fixedly connected with inlet scoop (7), the air pump (5)
The port of export be fixedly connected with discharge pipe (8)；
The bottom of purifying box (4) inwall is fixedly connected with water tank (9), and purifying box is run through in one end of the discharge pipe (8)
(4) surface is simultaneously extended in water tank (9), and the junction of discharge pipe (8) and water tank (9) is fixedly connected with O-ring seal
(10), the upper surface of the water tank (9) is fixedly connected with the first air channel (11), and the inwall of the purifying box (4) is fixedly connected
There is the second air channel (12), first air channel (11) is connected with the second air channel (12), one end of the second channel (12) is consolidated
Surely connecting tube (13) is connected with, one end of the connecting tube (13) is fixedly connected with the 3rd air channel (14), the connecting tube (13)
Inwall be fixedly connected with first support (15), the first support (15) and be fixedly connected with bearing (16), the bearing
(16) surface is fixedly connected with motor (17), and the output shaft of the motor (17) is fixedly connected with through the surface of bearing (16)
Wind wheel (18), the inwall of the 3rd air channel (14) is fixedly connected with second support (19), the surface of the second support (19)
Adsorption net (20) is fixedly connected with, the surface of the purifying box (4) offers through hole (21), the through hole (21) and the 3rd air channel
(14) it is connected, the inwall of the through hole (21) is fixedly connected with Air outlet net (22)；
The lower surface of the water tank (9) is fixedly connected with drainpipe (23), and purifying box is run through in one end of the drainpipe (23)
(4) lower surface and it is exposed outside, the upper surface of the water tank (9) is fixedly connected with water inlet pipe (24), the water inlet pipe
(24) one end through the upper surface of purifying box (4) and it is exposed outside, it is fixed on the drainpipe (23) and water inlet pipe (24)
Stop valve (25) is installed.
2. a kind of indoor air exchanger with air-cleaning function according to claim 1, it is characterised in that：It is described
Mounting bracket (2) is fixedly mounted on wall by bolt (3).
3. a kind of indoor air exchanger with air-cleaning function according to claim 1, it is characterised in that：It is described
Connecting tube (13) is shaped as truncated cone-shaped, and one end area that connecting tube (13) is connected with the second air channel (12) is smaller, connecting tube
(13) one end area being connected with the 3rd air channel (14) is larger.
4. a kind of indoor air exchanger with air-cleaning function according to claim 1, it is characterised in that：It is described
The turbine for being shaped as truncated cone-shaped of wind wheel (18).
5. a kind of indoor air exchanger with air-cleaning function according to claim 1-4, it is characterised in that：Institute
State inlet scoop (7) and be fixedly mounted on outdoor.
6. a kind of indoor air exchanger with air-cleaning function according to claim 1-5, it is characterised in that：Institute
Stating wind net (22) includes framework (221), and the inwall of the framework (221) is connected with first gear by first rotating shaft (222)
Aerofoil (223), the inwall of the framework (221) is connected with the second deep bead (225) by the second rotating shaft (224), described
First deep bead (223) is laterally sets, and second deep bead (225) is longitudinally disposed.
7. a kind of room air exchange method with air-cleaning function, it is characterised in that：(s1), by set air pump (5),
Blast pipe (6), inlet scoop (7), discharge pipe (8), water tank (9) and O-ring seal (10), by air pump (5) by extraneous air
It is extracted into interior, air enters from the downside of water tank (9), air flows into dusty material of the water tank (9) afterwards in air by water institute
Absorption；(s2), by setting second support (19) and adsorption net (20), when air circulation by adsorption net (20) by air
Moisture adsorbed, so as to avoid, there was dampness in the air, it is ensured that room air dry, prevent indoor growth germ；(s3), pass through
Framework (221), first rotating shaft (222), the first deep bead (223), the second rotating shaft (224) and the second deep bead (225) are set, led to
The first deep bead (223) and the second deep bead (225) is crossed to rotate around first rotating shaft (222) and the second rotating shaft (224)；(s4)、
By setting first support (15), bearing (16), motor (17) and wind wheel (18), so that motor (17) running drives wind wheel
(18) rotate, pumped the air in the second air channel (12) to the 3rd air channel (14), and wind wheel by wind wheel (18) rotation
(18) it is truncated cone-shaped so that air uniformly flows into the 3rd air channel (14) so that the air moisture absorption is evenly；(s5), by setting
Drainpipe (23), water inlet pipe (24) and stop valve (25), by the stop valve (25) on the downside of opening, by the water in water tank (9)
Release, the stop valve (25) on the upside of opening, fresh water is injected out of water inlet pipe (24), so as to reach in from drainpipe (23)
It is easy to regularly replace the effect of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570708.4A CN107192030A (en) | 2017-07-13 | 2017-07-13 | A kind of indoor air exchanger with air-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570708.4A CN107192030A (en) | 2017-07-13 | 2017-07-13 | A kind of indoor air exchanger with air-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107192030A true CN107192030A (en) | 2017-09-22 |
Family
ID=59883202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710570708.4A Withdrawn CN107192030A (en) | 2017-07-13 | 2017-07-13 | A kind of indoor air exchanger with air-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107192030A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107640308A (en) * | 2017-09-30 | 2018-01-30 | 广西欧讯科技服务有限责任公司 | A kind of antirust and marine hydraulic hold gas permeable devices |
| CN107651152A (en) * | 2017-09-30 | 2018-02-02 | 广西欧讯科技服务有限责任公司 | A kind of rust-proof effect is good and marine hydraulic hold gas permeable devices |
| CN107648986A (en) * | 2017-09-30 | 2018-02-02 | 广西欧讯科技服务有限责任公司 | A kind of marine hydraulic hold gas permeable devices |
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| CN206113142U (en) * | 2016-08-30 | 2017-04-19 | 浙江兆泉智能科技有限公司 | Granule footpath anion electrostatic air purifier |
| CN206274191U (en) * | 2016-11-17 | 2017-06-23 | 李慧萍 | A kind of indoor air-purification device |
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| CN204717865U (en) * | 2015-05-19 | 2015-10-21 | 韩城市科普奇安防设备厂 | A kind of pneumatic type open-air clarifier |
| CN205448016U (en) * | 2016-01-29 | 2016-08-10 | 辰欣佛都药业（汶上）有限公司 | Rotation type air peculiar smell dust clearing device |
| CN205593121U (en) * | 2016-05-04 | 2016-09-21 | 江西远东药业有限公司 | Automatic positioning mobile formula air purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107640308A (en) * | 2017-09-30 | 2018-01-30 | 广西欧讯科技服务有限责任公司 | A kind of antirust and marine hydraulic hold gas permeable devices |
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| CN107648986A (en) * | 2017-09-30 | 2018-02-02 | 广西欧讯科技服务有限责任公司 | A kind of marine hydraulic hold gas permeable devices |
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Application publication date: 20170922 |