CN105840546A - Centripetal fan - Google Patents
Centripetal fan Download PDFInfo
- Publication number
- CN105840546A CN105840546A CN201610177240.8A CN201610177240A CN105840546A CN 105840546 A CN105840546 A CN 105840546A CN 201610177240 A CN201610177240 A CN 201610177240A CN 105840546 A CN105840546 A CN 105840546A
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- China
- Prior art keywords
- stator blade
- unit
- moving vane
- vane
- face
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a centripetal fan. Surrounding gases are introduced to the circle center through working of moving blade units, and the circulation area is reduced through stationary blade units, so that pressure boosting and speeding up are performed on the introduced gases. The centripetal fan is simple and compact in structure, proper in size and suitable for application conditions needing high-pressure and high-speed fans. Besides, the centripetal fan of the structure has simple blades and a small size, so that the production cost is low, and the noise is low.
Description
Technical field
Field of mechanical technique of the present invention, is specifically related to a kind of radial inflow blower fan.
Background technology
Till up to now, the kind of existing blower fan a lot of classifications, realize different demand respectively, be applied to different occasions.Nowadays, middle-size and small-size centrifugal and axial flow blower application is the most quite varied, and research has reached its maturity, but at a high speed, the blower fan the rarest scientific research institution research run under condition of high voltage, especially at a high speed, the research of high pressure radial inflow blower fan is the most rare.
On the one hand, such high pressure, the operating condition of high-speed fan is more special, and material requires height, and on the other hand user's request amount is few, and user is for the technology requirement height of such blower fan.These drawbacks limit at a high speed, the further research and development of high pressure radial inflow blower fan, the high speed and high pressure blower fan how designing practicality is problem the most to be solved.
Summary of the invention
The present invention proposes for solving the problems referred to above, it is therefore intended that by providing a kind of middle-size and small-size radial inflow blower fan, be applied to the scene of high speed and high pressure requirement.
For achieving the above object, present invention employs techniques below scheme:
A kind of radial inflow, it is characterised in that including: rotating part, for introducing gas and increasing the pressure energy of gas, kinetic energy, takes turns the rotary shaft being connected with power source including movable vane；Fixed part, for reducing the flow area of gas and discharge gas, including stationary blade wheel；nullWherein，Movable vane is taken turns，Including movable vane wheel cap and at least one moving vane unit，Movable vane wheel cap is rounded，Side is fixedly connected with the rotating shaft，The opposite side of movable vane wheel cap is movable vane wheel face，Moving vane unit，Including multiple moving vanes，One end of moving vane is uniformly and fixedly arranged on the same concentrically ringed circumference of movable vane wheel face，Angle between moving vane and movable vane wheel face is more than 0 °，Stationary blade wheel，Including stator blade wheel cap and at least one stator blade unit，The center conllinear that the center of stationary blade wheel is taken turns with movable vane，Stator blade wheel cap is bowl-shape，There is sidewall and the bottom surface of band centre bore，Just side to movable vane wheel face, bottom surface is stator blade wheel face，There is between stator blade wheel face and the other end of moving vane the first space，The opposite side of bottom surface has air outlet，Connect with centre bore，Sidewall arc，Concentrate for guiding gas，Stator blade unit，Including multiple stator blades，One end of stator blade is uniformly and fixedly arranged on the same concentrically ringed circumference of stator blade wheel face，Angle between stator blade and stator blade wheel face is more than 0 °，Between the other end and the movable vane wheel face of stator blade, there is Second gap，Between moving vane unit、Between moving vane unit and stator blade unit、Between stator blade unit the most parallel，The outermost circumference diameter of moving vane unit is more than the outermost circumference diameter of stator blade unit，Lap is had between moving vane and stator blade.
The radial inflow blower fan that the present invention provides, it is also possible to have a feature in that wherein, the angle between angle, stator blade and stator blade wheel face between moving vane and movable vane wheel is 90 °.
The radial inflow blower fan that the present invention provides, it is also possible to having a feature in that wherein, the number of stator blade unit is consistent with the number of moving vane unit.
The radial inflow blower fan that the present invention provides, it is also possible to having a feature in that wherein, moving vane unit is at least 3, and stator blade unit is at least 3.
The radial inflow blower fan that the present invention provides, it is also possible to have a feature in that wherein, moving vane unit and the spaced setting of stator blade unit.
The radial inflow blower fan that the present invention provides, it is also possible to have a feature in that wherein, moving vane and stator blade are strip, and both length is consistent.
The radial inflow blower fan that the present invention provides, can also have a feature in that wherein, moving vane is connected with movable vane wheel face with minor face, and the minor face of moving vane is vertical with the radial direction of movable vane wheel face, stator blade is connected with stator blade wheel face with minor face, and the minor face of stator blade is vertical with the radial direction of stator blade wheel face.
Invention effect and effect
The radial inflow blower fan provided according to the present invention, owing to guiding the gas of surrounding into the center of circle by the acting of moving vane unit, reduce circulation area by stator blade unit and come the gas boosting speedup introduced, simple and compact for structure, volume is suitable for, it is applicable to the application conditions of high-voltage high-speed blower fan, and production cost is low, noise is little；It addition, by design, the surge margin of the radial inflow blower fan that the present invention provides is quite big, and range of accommodation is wide, can mate with centrifugal turbine, be designed as gas turbine, and application prospect is the most wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the radial inflow blower fan in embodiments of the invention, and in figure, A is the overall schematic of centripetal blower fan, and B is the decomposing schematic representation of A；
Fig. 2 is the moving vane unit structural representation with stator blade unit of the radial inflow blower fan in embodiments of the invention, and in figure, A is the structural representation of moving vane unit, and B is the structural representation of stator blade unit.
Detailed description of the invention
The detailed description of the invention of the present invention is described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the radial inflow blower fan in embodiments of the invention, and in figure, A is the overall schematic of centripetal blower fan, and B is the decomposing schematic representation of A.
As it is shown in figure 1, radial inflow blower fan 10 includes rotating part 11 and fixed part 12.
Fig. 2 is the moving vane unit structural representation with stator blade unit of the radial inflow blower fan in embodiments of the invention, and in figure, A is the structural representation of moving vane unit, and B is the structural representation of stator blade unit.
As shown in Figure 1 and Figure 2, rotating part 11 includes rotary shaft 13, the movable vane wheel 14 being connected by shaft coupling with power source.Power source in the present embodiment is motor.
As shown in Figure 1, 2, movable vane wheel 14 includes movable vane lid 15 and 3 moving vane unit 16.
Movable vane lid 15 is rounded, and its side is connected by fixing axle is fixing with rotary shaft 13, and its opposite side is movable vane wheel face 17.
As shown in A in Fig. 2, moving vane unit 16 includes multiple strip moving vane 18, and one end minor face of moving vane 18 is uniformly and fixedly arranged on the same concentrically ringed circumference of movable vane wheel face 17, and the minor face of moving vane 18 is vertical with the radial direction of movable vane wheel face.
As shown in Figure 1 and Figure 2, fixed part includes stationary blade wheel 19.
As shown in B in Fig. 2, stationary blade wheel 19 includes stator blade wheel cap 20 and 3 stator blade unit 21, and the center of the center of stationary blade wheel 19 and movable vane wheel 14 is point-blank.
Stator blade wheel cap 20, in bowl-shape, has sidewall 22 and the bottom surface of band centre bore 23.
Just side to movable vane wheel face 17, bottom surface is stator blade wheel face 24, there is between the other end minor face of stator blade wheel face 24 and moving vane 18 first space 27, in the present embodiment, the first space 27 is not touched stator blade wheel face 24 with moving vane 18 and is advisable, and in the present embodiment, the first space 27 is 5mm.
As it is shown in figure 1, the opposite side of bottom surface 23 has air outlet 25, connect with the centre bore 23 of bottom surface.
Sidewall 22 is curved, concentrates for guiding gas, plays the effect gathering gas.
Stator blade unit 21, including multiple strip stator blades 26, one end minor face of stator blade 26 is uniformly and fixedly arranged on the same concentrically ringed circumference of stator blade wheel face 24, and the minor face of stator blade 26 is vertical with the radial direction of stator blade wheel face 24, having Second gap 28 between other end minor face and the movable vane wheel face 17 of stator blade 26, in the present embodiment, Second gap 28 does not touch movable vane wheel face 17 with stator blade 26 and is advisable, in the present embodiment, Second gap 28 is 5mm
One-level moving vane unit, two grades of moving vane unit, three grades of moving vane unit it are called successively by movable vane wheel face 17 circumference 3 moving vane unit 16 on the different concentric circulars in the center of circle, same, 3 stator blade unit 21 are called one-level stator blade unit, two grades of stator blade unit, three grades of stator blade unit successively.
Between each moving vane unit 16 with each stator blade unit 21 the most parallel, moving vane unit 16 and stator blade unit 21 are apart from one another by setting, i.e. adjacent with moving vane unit 16 at different levels for corresponding stator blade unit 21 at different levels.
The outermost circumference diameter of moving vane unit 16 is more than the outermost circumference diameter of stator blade unit 21: i.e. the diameter of the circumference at one-level moving vane unit place more than one-level stator blade unit place circumference at diameter, the most spaced circle circle moving vane unit 16 and the stator blade unit 21 arranging formation, one-level moving vane unit is positioned at outermost one circle.
The length of moving vane 18 is consistent with the length of stator blade 26.Have lap between moving vane 18 and stator blade 26: i.e. the centre distance between movable vane wheel face 17 and stator blade wheel face 24 less than moving vane 18 and stator blade 26 in the length of movable vane wheel face 17 and the axis projection of stator blade wheel face 24 and, so axially mutually comprise above-mentioned between guarantee moving vane unit 16 at different levels and stator blade unit 21 at different levels.
In actual application, angular range between moving vane unit 16 and movable vane wheel face 17 needs more than 0 °, stator blade unit 21 is also required to more than 0 ° with the angular range of stator blade wheel face 24, radial inflow blower fan 10 includes at least one moving vane unit 16 and a stator blade unit 21, and power source can also be gas engine.
Using method
In use, after rotary shaft connects with blower fan, motor respectively, when electric machine rotation, impeller rotates, and is fixed on the moving vane unit also just rotation that movable vane wheel covers, and such gas first flows through movable vane, and movable vane does work, and increases the pressure energy of gas, kinetic energy, potential energy；Passing through stator blade, reduce circulation area, overall flow direction is to flow from leaf circumference axle center, and circulation area gradually decreases, and every one-level pressure ratio is approximately the same, and gas gradually reduces, and pushs out from air outlet, obtains the gas of high-voltage high-speed.
The present embodiment effect and effect
Due to a circle circle moving vane unit and the spaced setting of stator blade unit, moving vane improves kinetic energy and the pressure of gas, stator blade reduces circulation area, improve pressure and the speed of gas, gas can be entered with the surrounding of driven impeller, radial inflow is flowed, and discharges from the air outlet of stationary blade wheel, so having obtained the gas of high-voltage high-speed；Again owing to having 3 moving vane unit and 3 stator blade unit so that circulation area is gradually reduced, so further increasing pressure and the speed of gas；And owing to the angle between moving vane and movable vane are taken turns is that the angle between 90 °, stator blade and stationary blade wheel is also 90 °, moving vane is consistent with the length of stator blade simultaneously, the radial inflow blower fan making the present invention makes gas to center flow as much as possible, rather than spread to surrounding, so comparing centrifugal fan, substantially reduce the loss of fluid, optimize design by various, higher pressure and speed can be obtained；Additionally, this moving vane and stator blade interlock radial inflow arrangement, make the compact conformation of this radial inflow blower fan, the blower fan of small-medium size is sufficient for providing the gas of high-voltage high-speed high flow capacity, is greatly saved production cost, has the biggest adaptability for metallurgy, chemical industry high pressure ratio, the feature of big flow, and effect just can be reached due to simple cramped construction, blade is the most relatively small, so noise is also much smaller relative to the blower fan of other classes, is the advantageous blower fan of a class.
Although above the detailed description of the invention of description of the invention being described; so that those skilled in the art understand the present invention; it is to be understood that; the invention is not restricted to the scope of detailed description of the invention; from the point of view of those skilled in the art; as long as various changes limit and in the spirit and scope of the present invention that determine, these changes are apparent from, and all utilize the innovation and creation of present inventive concept all at the row of protection in appended claim.
Claims (7)
1. a radial inflow blower fan, after being connected with power source, rotates under described power source effect
To gas boosting speedup, it is characterised in that including:
Rotating part, for introducing described gas and increasing the pressure energy of described gas, kinetic energy, bag
Include movable vane and take turns the rotary shaft being connected with described power source；
Fixed part, for reducing the flow area of described gas and discharge described gas, including quiet
Impeller；
Wherein,
Described movable vane is taken turns, including movable vane wheel cap and at least one moving vane unit,
Described movable vane wheel cap is rounded, and side is fixedly connected with the rotating shaft, described movable vane wheel cap
Opposite side is movable vane wheel face,
Described moving vane unit, including multiple moving vanes, one end of described moving vane is uniformly fixed
Being arranged on the same concentrically ringed circumference of described movable vane wheel face, described moving vane is dynamic with described
Angle between impeller face is more than 0 °,
Described stationary blade wheel, including stator blade wheel cap and at least one stator blade unit, described stationary blade wheel
The center conllinear of center and described movable vane wheel,
Described stator blade wheel cap is bowl-shape, has sidewall and the bottom surface of band centre bore,
Just side to described movable vane wheel face, described bottom surface is stator blade wheel face, described stator blade wheel face with
There is between the other end of described moving vane the first space,
The opposite side of described bottom surface has air outlet, connects with described centre bore,
Described sidewall arc, concentrates for guiding gas,
Described stator blade unit, including multiple stator blades, one end of described stator blade is uniformly fixed
Being arranged on the same concentrically ringed circumference of described stator blade wheel face, described stator blade is quiet with described
Angle between impeller face is more than 0 °,
Between the other end and the described movable vane wheel face of described stator blade, there is Second gap,
Between described moving vane unit, between described moving vane unit and described stator blade unit,
Between described stator blade unit the most parallel,
The outermost circumference diameter of described moving vane unit is more than the outermost circle of described stator blade unit
All diameters,
Lap is had between described moving vane and described stator blade.
Radial inflow blower fan the most according to claim 1, it is characterised in that:
Wherein, the angle between described moving vane and described movable vane are taken turns, described stator blade are with described
Angle between stator blade wheel face is 90 °.
Radial inflow blower fan the most according to claim 1, it is characterised in that:
Wherein, the number of described stator blade unit is consistent with the number of described moving vane unit.
Radial inflow blower fan the most according to claim 1, it is characterised in that:
Wherein, described moving vane unit is at least 3, and described stator blade unit is at least 3.
Radial inflow blower fan the most according to claim 4, it is characterised in that:
Wherein, described moving vane unit and the described spaced setting of stator blade unit.
Radial inflow blower fan the most according to claim 1, it is characterised in that:
Wherein, described moving vane and described stator blade are strip, and both length is consistent.
Radial inflow blower fan the most according to claim 6, it is characterised in that:
Wherein, described moving vane is connected with described movable vane wheel face with minor face, and described moving vane
Minor face vertical with the radial direction of described movable vane wheel face,
Described stator blade is connected with described stator blade wheel face with minor face, and the minor face of described stator blade
Vertical with the radial direction of described stator blade wheel face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177240.8A CN105840546A (en) | 2016-03-25 | 2016-03-25 | Centripetal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177240.8A CN105840546A (en) | 2016-03-25 | 2016-03-25 | Centripetal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840546A true CN105840546A (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177240.8A Pending CN105840546A (en) | 2016-03-25 | 2016-03-25 | Centripetal fan |
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| Country | Link |
|---|---|
| CN (1) | CN105840546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421050A (en) * | 2017-07-21 | 2017-12-01 | 艾宴清 | Penetration type slows down gas phase diffusion equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178288Y (en) * | 1993-10-28 | 1994-09-28 | 韦海虎 | Internal rotary wheel energy-saving oil pump |
| JPH0942191A (en) * | 1995-07-26 | 1997-02-10 | Daikin Ind Ltd | Centripetal blower |
| CN2775377Y (en) * | 2004-09-24 | 2006-04-26 | 涟源钢铁集团有限公司 | Anti-flushing tube collector |
| CN102251811A (en) * | 2011-07-13 | 2011-11-23 | 哈尔滨工程大学 | Radial flow type turbine with splitter blade |
| CN202327105U (en) * | 2011-11-09 | 2012-07-11 | 四川日机密封件股份有限公司 | Mechanical sealing device for fixed taper type waveform curved surface |
| CN203742673U (en) * | 2014-04-03 | 2014-07-30 | 重庆江增船舶重工有限公司 | Centripetal turbine |
| CN104895806A (en) * | 2015-04-22 | 2015-09-09 | 上海理工大学 | Centripetal type compressor |
-
2016
- 2016-03-25 CN CN201610177240.8A patent/CN105840546A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178288Y (en) * | 1993-10-28 | 1994-09-28 | 韦海虎 | Internal rotary wheel energy-saving oil pump |
| JPH0942191A (en) * | 1995-07-26 | 1997-02-10 | Daikin Ind Ltd | Centripetal blower |
| CN2775377Y (en) * | 2004-09-24 | 2006-04-26 | 涟源钢铁集团有限公司 | Anti-flushing tube collector |
| CN102251811A (en) * | 2011-07-13 | 2011-11-23 | 哈尔滨工程大学 | Radial flow type turbine with splitter blade |
| CN202327105U (en) * | 2011-11-09 | 2012-07-11 | 四川日机密封件股份有限公司 | Mechanical sealing device for fixed taper type waveform curved surface |
| CN203742673U (en) * | 2014-04-03 | 2014-07-30 | 重庆江增船舶重工有限公司 | Centripetal turbine |
| CN104895806A (en) * | 2015-04-22 | 2015-09-09 | 上海理工大学 | Centripetal type compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421050A (en) * | 2017-07-21 | 2017-12-01 | 艾宴清 | Penetration type slows down gas phase diffusion equipment |
| CN107421050B (en) * | 2017-07-21 | 2020-06-02 | 艾宴清 | Penetration type gas phase diffusion retarding device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |
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| RJ01 | Rejection of invention patent application after publication |