CN105423511B - Air-duct apparatus applied to clarifier - Google Patents
Air-duct apparatus applied to clarifier Download PDFInfo
- Publication number
- CN105423511B CN105423511B CN201510960621.9A CN201510960621A CN105423511B CN 105423511 B CN105423511 B CN 105423511B CN 201510960621 A CN201510960621 A CN 201510960621A CN 105423511 B CN105423511 B CN 105423511B
- Authority
- CN
- China
- Prior art keywords
- air
- fan blade
- main body
- clarifier
- wall
- 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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- 238000010586 diagram Methods 0.000 description 7
- 241000883990 Flabellum Species 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 241001075561 Fioria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
- F24F13/085—Grilles, registers or guards including an air filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Present invention is disclosed the air-duct apparatus applied to clarifier, it includes air duct main body and the centrifugal blower that is set in the main body of air duct, centrifugal blower has a fan blade, the wind inlet end of air duct main body has an air dam expanded from inside to outside, there is the channel for airflow between the inner wall of air duct main body and the side of fan blade, it is in funnelform wind deflector that fan blade has away from the side of air dam, and the narrow end of wind deflector is towards air dam side.It is in funnelform wind deflector that the present invention, which has, can change the export wind direction of fan blade, effectively prevent export air-flow to bump against with inner wall and generates noise, and reduces the loss of wind pressure；Using the air dam of expansion, the area that extraneous air enters air duct is increased, air inflow is increased；Reduce the gap between fan blade and air duct main body, the setting of arc makes the resistance bigger for increasing resistance gap, contributes to the air intercommunication that wind inlet end and inside is isolated, extraneous air is made all to enter inside by centrifugal blower.
Description
Technical field
The present invention relates to a kind of air-duct apparatus more particularly to a kind of noise reduction air-duct apparatus applied to clarifier.
Background technology
All there is large effect, the ventilation of clarifier to the properties of clarifier in air duct and wind turbine in clarifier
There are direct relationships for amount, coefficient of wind pres, Noise figure etc. and air duct and wind turbine.
In the prior art, in order to reach larger range of air quantity cycle, the technology that clarifier is all made of upward outlet air is special
Sign, as shown in Figure 1, for the structure chart of air-duct apparatus in clarifier in the prior art.Air duct shell 102 is used for changing the stream in air duct
To；Centrifugation blade 104 is the core component of clarifier, is air quantity generating source；Second fan blade 103 is generally using centrifugation or axis stream
Fan blade, axial-flow leaf are to generate the air quantity of bigger and increased flabellum, two groups of motors drivings are crossed, to obtain using in the majority
The air quantity of bigger, concrete operating principle, wind enter centrifugal blower air inlet, to peripheric movement in the rotary course from flabellum,
Then wind is sent out by air duct by axial flow fan leaf.
For the above-mentioned prior art would know that its there are the shortcomings that：Two groups of fan blades are used, that is, need two groups of electricity of matching
Machine increases the cost of clarifier；After fan blade, motor increase, influence is produced on clarifier internal structure design, is increased net
The volume and weight for changing device, also increase the difficulty of assembling；Distinguished and admirable as shown in dotted line 101 in Fig. 1, the distinguished and admirable and wind of centrifugation blade
The inner wall in road is perpendicular, and distinguished and admirable to air duct inner wall, there are frontal impacts, can cause larger noise, and can cause air quantity, wind pressure
Loss；Centrifugation blade and the air inlet in air duct are more narrow, influence the air inflow of clarifier.
Also there is the scheme being improved to above-mentioned technology in the prior art, i.e., the second fan blade 103 is omitted, be only used only
One centrifugal flabellum, but use the centrifugal flabellum of more powerful motor and specification bigger, but do not improve big scarce of noise
Point also fails the loss for reducing air quantity, wind pressure.What powerful motor was brought is the energy consumption of bigger, and the centrifugation of specification bigger
For flabellum to the wind-force bigger of generation, the distinguished and admirable shock to air duct inner wall is more serious, caused by noise also also bigger, also increase net
Change the volume and weight of device.
Invention content
Present invention aim to address above-mentioned the deficiencies in the prior art, the air-duct apparatus applied to clarifier is provided.
In order to achieve the above object, the technical solution adopted in the present invention is：
Applied to the air-duct apparatus of clarifier, including air duct main body and the centrifugal blower that is set in the main body of air duct, it is described
Centrifugal blower includes fan blade, and the wind inlet end of the air duct main body has an air dam expanded from inside to outside, the air duct main body
Inner wall and the side of the fan blade between have for airflow channel,
It is in funnelform wind deflector, the narrow end direction of the wind deflector that the fan blade has away from the side of the air dam
The air dam side.
Further, have one to increase between the bottom of fan blade and the inner wall of the air duct main body and hinder gap.
Further, there is a concave arc end wall, the inner wall of the air duct main body to have one and the concave arc for the bottom of fan blade
The convex arc wall that end wall matches forms increasing resistance gap between the concave arc end wall and the convex arc wall.
Further, the width for increasing resistance gap is 1 ~ 3mm.
Further, the inner wall of the air duct main body has one to be oriented to curved portion.
Further, the axis of the wind deflector and the fan blade is in 45 ° ~ 60 ° angles.
Further, the wind inlet end diameter of the fan blade is at least the 3/4 of the main diameter of the fan blade.
Further, the slot end face of the air dam and the bottom face of the fan blade are coplanar.
Further, the wide end of the air dam has along side.
Further, the filter mechanism of the clarifier is located at the air intake vent side of the air duct main body.
The beneficial effects are mainly as follows：
1. it is in funnelform wind deflector that fan blade, which has, which can change the export wind direction of centrifugal blower, make export wind
It is tilted to existing with the inner wall of air duct main body, can effectively prevent wind derived from fan blade institute and directly hit with inner wall, effectively reduced net
The operating noise for changing device, reduces the loss of wind pressure；
2. there is air duct main body the air dam expanded from inside to outside, the air dam to increase the face that extraneous air enters air duct
Product, increases air inflow；
3. having the channel for airflow between the inner wall of air duct main body and the side of fan blade, which increases air duct
The distance between the inner wall of main body and fan blade side make wind derived from fan blade institute there is buffering deflecting, make an uproar to reducing clarifier
Sound has larger contribution；
4. reducing the gap between fan blade bottom and air duct main body, which is to increase resistance gap, helps that inlet air is isolated
Between end and internal air intercommunication make extraneous air all enter inside by centrifugal blower, and the increasing that makes of the setting of arc hinders
The resistance bigger of gap, effectively increases the wind pressure of air inlet；
5. there is the inner wall of air duct main body curved portion, the curved portion can be further oriented to wind derived from fan blade, drop
Collision between wind and air duct main body inner wall derived from low fan blade so that the gentler export of wind is conducive to the noise reduction of clarifier
Work.
Description of the drawings
Fig. 1 is the structural schematic diagram of air-duct apparatus in the prior art；
Fig. 2 is the structural schematic diagram for the air-duct apparatus that the present invention is applied to clarifier；
Fig. 3 be the present invention be applied to clarifier air-duct apparatus work in air stream to schematic diagram；
Fig. 4 is the structural schematic diagram that the present invention is applied to fan blade in the air-duct apparatus of clarifier；
Fig. 5 is another visual angle schematic diagram of Fig. 4；
Fig. 6 is the cross-sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram that the present invention is applied to air duct main body in the air-duct apparatus of clarifier.
Specific implementation mode
The present invention provides the air-duct apparatus applied to clarifier, low noise, air pressure air flow are big, at low cost.Below in conjunction with
Technical solution of the present invention is described in detail in attached drawing, so that it is more readily understood and grasps.
As shown in Fig. 2, the air-duct apparatus applied to clarifier, air-duct apparatus is used for the exhausting air inlet of clarifier, external empty
Gas is imported into clarifier and is purified, and is discharged after purification, and circularly purifying air-flow achievees the purpose that purification, which includes
Air duct main body 1 and the centrifugal blower 2 being set in air duct main body 1, centrifugal blower 2 include fan blade 8, air duct main body as shown in fig. 7,
The wind inlet end 3 of air duct main body 1 has an air dam 4 expanded from inside to outside, and air dam is in funnel-form, bell mouth shape etc. by introversion
Outer expansion form shape, it is preferred that the narrow end of air dam is circle, and the wide end of air dam is rectangle, the form expanded from inside to outside
The air inflow that air duct can be increased, when centrifugal blower starts, centrifugal blower has air dam inner air the guiding along wind direction
Power, air in air dam along its narrow end to wide end by centrifugal blower guiding force from large to small, air in the wide end of air dam
It is stored by air dam guiding, it will not be because of being gone out by guiding force is small and free, therefore the kinetic energy efficiency of centrifugal blower is improved,
Ensured the air inflow in air duct, and by the effect of air dam so that air in air dam by centrifugal blower guiding force
Bigger is acted on, the stable inlet air of air-duct apparatus is uniform, is conducive to the later purification of clarifier.
Wherein, there is the channel 5 for airflow, 5 energy of channel between the side of the inner wall and fan blade 8 of air duct main body 1
The deflecting distance for providing air-flow makes the radial motion power that fan blade 8 in centrifugal blower throws away wind decay and comply with axial flow direction, wind
The inner wall of road main body 1 can further optimize, and have one to be oriented to curved portion 7, which is located in centrifugal blower 2
The outlet air end lateral location of fan blade 8.The guiding curved portion 7 effectively can smoothly change wind direction, reduce air loss.
In addition, such as each schematic diagram that fig. 4 to fig. 6 is fan blade, fan blade 8 has away from the side of air dam 4 in funnelform
Wind deflector 6, for the narrow end of the wind deflector 6 towards 4 side of air dam, fan blade 8 throws away the airflow centrifugal of importing, i.e., is transported along fan blade 8
The tangential direction of dynamic periphery is thrown away, and has guiding role to air-flow by wind deflector 6, specifically, in air-duct apparatus work
Air is flowed to as shown in dotted line 14 in Fig. 3, and so that centrifugal blower is thrown away the wind direction of air-flow and the side wall of air duct main body has inclination angle
Degree, prevents wind direction vertical, reduces air loss, reduce noise.More refine, wind deflector optimized, wind deflector 6 with
The axis of fan blade 8 is in 45 ° ~ 60 ° angles 13, and by test, the effect of the 13 range internal air baffle of angle is optimal.
This programme optimizes, and is all had between the bottom and the inner wall of air duct main body 1 of fan blade 8 between meeting assembly operation
Gap, and the gap in this case is to increase resistance gap 9.Play the role of increasing resistance by reducing gap, the width for increasing resistance gap 9 is preferably
1 ~ 3mm, the gap of the width, that is, between fan blade and air duct.
Specifically, there is concave arc end wall 10, the inner wall of air duct main body 1 to have and 10 phase of concave arc end wall for the bottom of fan blade 8
The convex arc wall 11 matched forms between concave arc end wall 10 and convex arc wall 11 and increases resistance gap 9.The design of arc further increases externally
Portion's air is increasing the resistance in resistance gap, forces extraneous air all to enter by fan blade, will not be invaded from gap.Certainly may be used also
It optimizes, in order to ensure the stability for increasing resistance gap, the slot end face of air dam 4 and the bottom face of fan blade 8 are mutually coplanar, increase resistance
It is more stable that gap increases resistance.
This programme can also be optimized further, increase the diameter of the wind inlet end of fan blade, the end of 8 wind inlet end of specific fan blade
Mouth diameter is at least the 3/4 of wind blade main body diameter, and so design can further increase air inflow.
Finally, the wide end of air dam 4 has along side 12, this facilitates the assembly of air-duct apparatus along side 12, can be used for supporting increasing
Add frictional force, easily can be used for assembling filter mechanism.In addition, it is necessary to which explanation, the filter mechanism of clarifier are located at air duct main body
Air intake vent side, i.e., air inflow of air-duct apparatus etc. has the filter effect of filter mechanism and directly influences, and this case
Air-duct apparatus can be effectively increased the wind pressure of air inlet, indirectly improve the filter effect of clarifier.
Technical scheme of the present invention is fully described above, it should be noted that specific embodiment party of the invention
Formula is simultaneously not limited by the description set out above, the Spirit Essence of those skilled in the art according to the present invention structure, method or
All technical solutions that function etc. is formed using equivalents or equivalent transformation, all fall within protection scope of the present invention
Within.
Claims (7)
1. applied to the air-duct apparatus of clarifier, including air duct main body and the centrifugal blower that is set in the main body of air duct, it is described from
Heart wind turbine includes fan blade, it is characterised in that：The wind inlet end of the air duct main body has an air dam expanded from inside to outside, described
There is the channel for airflow, the fan blade to deviate from the air dam between the inner wall of air duct main body and the side of the fan blade
To have be in funnelform wind deflector for side, the narrow end of the wind deflector is towards the air dam side；
Have one to increase between the bottom of the fan blade and the inner wall of the air duct main body and hinders gap；The bottom of the fan blade has one
Concave arc end wall, the inner wall of the air duct main body have a convex arc wall to match with the concave arc end wall, the concave arc end wall with
Increasing resistance gap is formed between the convex arc wall；
The axis of the wind deflector and the fan blade is in 45 ° ~ 60 ° angles.
2. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：Increasing resistance gap is 1 ~
3mm。
3. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：The inner wall of the air duct main body
It is oriented to curved portion with one.
4. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：The wind inlet end of the fan blade is straight
Diameter is at least the 3/4 of the main diameter of the fan blade.
5. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：The slot end of the air dam
Face and the bottom face of the fan blade are coplanar.
6. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：The wide end of the air dam has
Have along side.
7. the air-duct apparatus according to claim 1 applied to clarifier, it is characterised in that：The filter of the clarifier
Structure is located at the air intake vent side of the air duct main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960621.9A CN105423511B (en) | 2015-12-21 | 2015-12-21 | Air-duct apparatus applied to clarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960621.9A CN105423511B (en) | 2015-12-21 | 2015-12-21 | Air-duct apparatus applied to clarifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423511A CN105423511A (en) | 2016-03-23 |
| CN105423511B true CN105423511B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510960621.9A Active CN105423511B (en) | 2015-12-21 | 2015-12-21 | Air-duct apparatus applied to clarifier |
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| Country | Link |
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| CN (1) | CN105423511B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105812634B (en) * | 2016-05-04 | 2018-12-04 | 浙江中博信息工程有限公司 | A kind of video conference video camera that can purify air |
| CN106885413B (en) * | 2017-03-23 | 2020-03-17 | 海信（山东）冰箱有限公司 | Air guide, air duct structure for air-cooled refrigerator and air-cooled refrigerator |
| CN107192116B (en) * | 2017-07-04 | 2023-12-08 | 珠海格力电器股份有限公司 | Shell of heat exchange unit, heat exchange unit and air conditioner |
| CN107372411B (en) * | 2017-09-13 | 2023-11-03 | 江苏艾德锐电子科技有限公司 | A centrifugal fan suction structure and a mosquito killer using the structure |
| CN109506307A (en) * | 2018-11-15 | 2019-03-22 | 珠海格力电器股份有限公司 | Air outlet flow guide mechanism and purifier |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05168974A (en) * | 1991-12-17 | 1993-07-02 | Akai Electric Co Ltd | Air purifier |
| CN102095758A (en) * | 2010-12-17 | 2011-06-15 | 华东理工大学 | Indoor air quality detection terminal |
| CN102954041A (en) * | 2012-11-20 | 2013-03-06 | 石狮市通达电机有限公司 | Centrifugal blower and air conditioner including same |
| CN103538445A (en) * | 2013-10-11 | 2014-01-29 | 北京亚都环保科技有限公司 | Vehicular air purifier |
| CN104833002A (en) * | 2015-03-25 | 2015-08-12 | 黄月媚 | Plasma air purifier and air purifying device including the purifier |
| CN205316611U (en) * | 2015-12-21 | 2016-06-15 | 苏州贝昂科技有限公司 | Be applied to air duct device of clarifier |
-
2015
- 2015-12-21 CN CN201510960621.9A patent/CN105423511B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05168974A (en) * | 1991-12-17 | 1993-07-02 | Akai Electric Co Ltd | Air purifier |
| CN102095758A (en) * | 2010-12-17 | 2011-06-15 | 华东理工大学 | Indoor air quality detection terminal |
| CN102954041A (en) * | 2012-11-20 | 2013-03-06 | 石狮市通达电机有限公司 | Centrifugal blower and air conditioner including same |
| CN103538445A (en) * | 2013-10-11 | 2014-01-29 | 北京亚都环保科技有限公司 | Vehicular air purifier |
| CN104833002A (en) * | 2015-03-25 | 2015-08-12 | 黄月媚 | Plasma air purifier and air purifying device including the purifier |
| CN205316611U (en) * | 2015-12-21 | 2016-06-15 | 苏州贝昂科技有限公司 | Be applied to air duct device of clarifier |
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| Publication number | Publication date |
|---|---|
| CN105423511A (en) | 2016-03-23 |
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Address after: Building 1, No. 175, Songbei Road, Suzhou Industrial Park, Suzhou, Jiangsu 215127 Patentee after: Suzhou Beiang Intelligent Technology Co.,Ltd. Address before: Unit b7-506, creative industry park, 328 Xinghu street, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: SUZHOU BEIANG TECHNOLOGY Ltd. |