CN207049046U - Diagonal flow type water conservancy diversion axial flow blower - Google Patents
Diagonal flow type water conservancy diversion axial flow blower Download PDFInfo
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- CN207049046U CN207049046U CN201721004157.7U CN201721004157U CN207049046U CN 207049046 U CN207049046 U CN 207049046U CN 201721004157 U CN201721004157 U CN 201721004157U CN 207049046 U CN207049046 U CN 207049046U
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Abstract
The utility model discloses a kind of diagonal flow type water conservancy diversion axial flow blower, and it includes casing（1）, fan blade（4）And motor（8）, casing（1）One entirety is connected into by flange using a frustum of a cone cylinder and a circular cylinder two parts, fan inlet wind collecting unit, which is made, tapers formula streamlined, import wind collecting unit connects with the small end of frustum of a cone cylinder, the big end of frustum of a cone cylinder connects with circular cylinder, and casing internal installs fan blade by bearing block and central shaft；Motor is arranged on casing front portion, by belt and installed in central shaft（3）The belt pulley of front end（7）Driving coupling, fan inlet, outlet are along air-flow duct coupling.The utility model is according to grain drying machine design feature, and through Multiple Optimization Design, using oblique flow meridian acceleration method, pressure ratio axial flow blower is high, and air quantity is bigger than centrifugal blower, has the characteristics that efficiency high, noise are low, compact-sized, easy for installation.
Description
Technical field
A kind of diagonal flow fan is the utility model is related to, foodstuff drying device is used in and is used for air-drying for grain.
Background technology
Diagonal flow fan is that a kind of air outlet velocity is higher but the less axial flow blower of flow.Air outlet velocity is high, and blast is also high, institute
So that pressure regulation can be used for.It is different from axial flow blower and centrifugal blower, and the general blast of axial flow blower is smaller, and flow is larger.From
Heart blower fan improves gas pressure and supplied gas side by side body, it is a kind of driven fluid machinery by the mechanical energy of input.Diagonal flow fan
It is mainly used in highway and the longitudinal exhausting system of railway tunnel, blower fan is typically suspended on tunnel top or both sides, is not take up handing over
Logical area, is not required to build air channel in addition, Civil Cost is low, is a kind of economic, practical, easy to use draft type.
The blower fan used at present on foodstuff drying device is generally axial flow blower and centrifugal blower, and both are the wind of general expression
Machine, using many shortcomings on dryer being present：1. centrifugal blower specific energy consumption is high；Timing is bad during use easily ties
Dew.2. axial flow blower is because air quantity is small, ventilation time length；Dewatering effect unobvious, especially high water content grain should not use axle stream
Blower fan is aerated.Given this, if it is possible to a kind of diagonal flow fan is developed, to promote diagonal flow fan on foodstuff drying device
With will necessarily promote energy conservation, improve grain heat-drying effect.
The content of the invention
The utility model is in view of the shortcomings of the prior art, propose a kind of diagonal flow type water conservancy diversion axle stream on foodstuff drying device
Blower fan, according to grain drying machine design feature, through Multiple Optimization Design, using oblique flow meridian acceleration method, pressure ratio axle stream wind
Machine is high, and air quantity is bigger than centrifugal blower, has the characteristics that efficiency high, noise are low, compact-sized, easy for installation.
Technical scheme used by the utility model：
A kind of diagonal flow type water conservancy diversion axial flow blower, including casing（1）, fan blade（4）And motor（8）, the casing（1）
One entirety is connected into by flange using a frustum of a cone cylinder and a circular cylinder two parts, the formula of tapering is made in fan inlet wind collecting unit
Streamlined, import wind collecting unit connect with the small end of frustum of a cone cylinder, and the big end of frustum of a cone cylinder connects with circular cylinder, and casing internal passes through
Bearing block（2）And central shaft（3）Fan blade is installed（4）；Motor（8）Casing front portion is arranged on, by belt and is arranged on
Mandrel（3）The belt pulley of front end（7）Driving coupling, fan inlet, outlet are along air-flow duct coupling.
Described diagonal flow type water conservancy diversion axial flow blower, the central shaft in frustum of a cone cylinder part（3）On be provided with rotation centrum
（5）, the fan blade（4）In rotation centrum（5）Uniformly install on periphery.
Described diagonal flow type water conservancy diversion axial flow blower, casing cylindrical portion and the neighbouring central shaft of fan blade（3）Upper peace
Equipped with deflector（6）.
Described diagonal flow type water conservancy diversion axial flow blower, casing inner wall are provided with sound-absorbing web plate.
The beneficial effects of the utility model：
1st, the utility model diagonal flow type water conservancy diversion axial flow blower, it is a kind of new between axial flow blower and centrifugal blower
Blower fan, casing use cylindrical shape, divide the blue connection of two-stage method integral, import, export along air-flow duct coupling, import wind collecting unit
It is made and tapers formula streamlined, it is reasonable in design, it is simple in construction, install, be easy to use, under Same Efficieney, fan pressure and flow
Bigger, drying effect is more preferable.
2nd, the utility model diagonal flow type water conservancy diversion axial flow blower, casing inner wall are equipped with sound-absorbing web plate, and noise is small；Outlet is equipped with and led
Flowing plate, exit flow can be made to have good air flow method, stable pressure characteristic.It is the domestic fortune first on foodstuff drying device
With relative to traditional axial flow blower and centrifugal blower, specific energy consumption is low, and using effect is good, energy-conserving and environment-protective, is less prone to knot
Dew, dewatering effect are obvious.
Brief description of the drawings
Fig. 1 is the utility model diagonal flow type water conservancy diversion axial flow blower structural representation；
Fig. 2 is this practical diagonal flow type water conservancy diversion axial flow blower（Fig. 1）Left view；
It is as follows to represent meaning for each label in figure：1. the fan blade 5. of 2. bearing block of casing, 3. central shaft 4. rotates centrum
6. the motor of 7. belt pulley of deflector 8..
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 2, the utility model diagonal flow type water conservancy diversion axial flow blower, including casing 1, fan blade 4 and motor
8, the casing 1 is connected into an entirety, fan inlet collection wind using a frustum of a cone cylinder and a circular cylinder two parts by flange
Device, which is made, tapers formula streamlined, and import wind collecting unit connects with the small end of frustum of a cone cylinder, and the big end of frustum of a cone cylinder connects with circular cylinder,
Casing internal installs fan blade 4 by bearing block 2 and central shaft 3；Motor 8 is arranged on casing front portion, passes through belt and installation
The driving coupling of belt pulley 7 in the front end of central shaft 3, fan inlet, outlet are along air-flow duct coupling.
Embodiment 2
Referring to Fig. 1, Fig. 2, the diagonal flow type water conservancy diversion axial flow blower of the present embodiment, it is with the difference of embodiment 1：In circle
Rotation centrum 5 is installed, the fan blade 4 is uniformly installed on rotation centrum 5 periphery on the central shaft 3 of frustum drum part.
Embodiment 3
Referring to Fig. 1, Fig. 2, the diagonal flow type water conservancy diversion axial flow blower of the present embodiment, with embodiment 1 or the difference of embodiment 2
It is：Deflector 6 is installed on casing cylindrical portion and the neighbouring central shaft 3 of fan blade.
The utility model diagonal flow type water conservancy diversion axial flow blower, Multiple Optimization Design is passed through according to grain drying machine design feature,
It is a kind of novel fan between axial flow blower and centrifugal blower, casing 1 is led to using frustum of a cone cylinder and circular cylinder two parts
To cross flange and be connected into an entirety, the leading inlet wind collecting unit of casing 1, which is made, tapers formula streamlined, and fan outlet is equipped with deflector,
Import, outlet are equipped with sound-absorbing web plate along air-flow duct coupling, inner walls.It is good that outlet deflector can have exit flow
Air flow method and stable pressure characteristic.Using oblique flow meridian acceleration method, pressure ratio axial flow blower is high, and air quantity is than centrifugation wind
Machine is big, has the characteristics that efficiency high, noise are low, compact-sized, easy for installation.
Claims (4)
1. a kind of diagonal flow type water conservancy diversion axial flow blower, including casing（1）, fan blade（4）And motor（8）, it is characterised in that：
The casing（1）One entirety, fan inlet collection wind are connected into by flange using a frustum of a cone cylinder and a circular cylinder two parts
Device, which is made, tapers formula streamlined, and import wind collecting unit connects with the small end of frustum of a cone cylinder, and the big end of frustum of a cone cylinder connects with circular cylinder,
Casing internal passes through bearing block（2）And central shaft（3）Fan blade is installed（4）；Motor（8）Casing front portion is arranged on, passes through skin
Band and installed in central shaft（3）The belt pulley of front end（7）Driving coupling, fan inlet, outlet are along air-flow duct coupling.
2. diagonal flow type water conservancy diversion axial flow blower according to claim 1, it is characterised in that：Central shaft in frustum of a cone cylinder part
（3）On be provided with rotation centrum（5）, the fan blade（4）In rotation centrum（5）Uniformly install on periphery.
3. diagonal flow type water conservancy diversion axial flow blower according to claim 1 or 2, it is characterised in that：Casing cylindrical portion and wind
The neighbouring central shaft of machine blade（3）On deflector is installed（6）.
4. diagonal flow type water conservancy diversion axial flow blower according to claim 3, it is characterised in that：Casing inner wall is provided with sound-absorbing web plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004157.7U CN207049046U (en) | 2017-08-11 | 2017-08-11 | Diagonal flow type water conservancy diversion axial flow blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004157.7U CN207049046U (en) | 2017-08-11 | 2017-08-11 | Diagonal flow type water conservancy diversion axial flow blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049046U true CN207049046U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004157.7U Active CN207049046U (en) | 2017-08-11 | 2017-08-11 | Diagonal flow type water conservancy diversion axial flow blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237217A (en) * | 2018-11-29 | 2020-06-05 | 曾固 | Fluid centrifugal through-flow action structure |
-
2017
- 2017-08-11 CN CN201721004157.7U patent/CN207049046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237217A (en) * | 2018-11-29 | 2020-06-05 | 曾固 | Fluid centrifugal through-flow action structure |
| CN111237217B (en) * | 2018-11-29 | 2022-08-30 | 曾固 | Fluid centrifugal through-flow action structure |
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