CN207660859U - Intermediate flow middle pressure wind turbine - Google Patents
Intermediate flow middle pressure wind turbine Download PDFInfo
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- CN207660859U CN207660859U CN201721531086.6U CN201721531086U CN207660859U CN 207660859 U CN207660859 U CN 207660859U CN 201721531086 U CN201721531086 U CN 201721531086U CN 207660859 U CN207660859 U CN 207660859U
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- blade
- wind turbine
- impeller
- intermediate flow
- middle pressure
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Abstract
The utility model is related to field of mechanical technique, and in particular to a kind of wind turbine.Intermediate flow middle pressure wind turbine, including a motor, including a motor are fixed with an impeller on the motor shaft of the motor, a spiral case are covered with outside the impeller, the impeller includes a wheel hub, a shroud, a hub disk and at least 8 blades being fixed on hub disk；Using length direction of the direction as blade for being parallel to shroud；The both ends of the length direction of the blade carry warp architecture, make the blade undulate；The tangent line of the length direction of the blade and the wheel hub is in 30 degree to 55 degree of angle.The fan blade of the utility model is using blade tip and leaf tail double-bend design, blade is set not will produce overload phenomenon under the premise of reaching higher pressure and rising, simultaneously, optimize the angle of blade dimensions, quantity and blade and wheel hub, fan efficiency is increased, wind turbine is enable to reach the working condition requirement of gas fired-boiler at high speed.
Description
Technical field
The utility model is related to field of mechanical technique, and in particular to a kind of wind turbine.
Background technology
In order to cater to Environmental Protection Market requirement, it is converted into gas fired-boiler especially for coal-burning boiler, wind used in boiler
Machine must also be replaced accordingly, and efficient matured product not yet domestic at present reaches gas-fired boiler under high speed conditions
The working condition requirement of stove, to save the energy consumption during owner's boiler use.
Utility model content
The purpose of the utility model is to provide a kind of intermediate flow middle pressure wind turbines, solve above at least one skill
Art problem.
Following technical scheme may be used to realize in the technical issues of the utility model is solved：
Intermediate flow middle pressure wind turbine, including a motor, including a motor are fixed with one on the motor shaft of the motor
Impeller is covered with a spiral case outside the impeller, and the impeller includes the wheel hub being set on motor shaft, is connected on the wheel hub
Shroud and hub disk, the blade that is fixed between the shroud and the hub disk；
It is characterized in that, the shroud is equipped at least 8 blades；
Using length direction of the direction as blade for being parallel to shroud；
The both ends of the length direction of the blade carry warp architecture, make the blade undulate；
The tangent line of the length direction of the blade and the wheel hub is in 30 degree to 55 degree of angle.
The fan blade of the utility model makes blade before reaching higher pressure and rising using blade tip and leaf tail double-bend design
It puts and not will produce overload phenomenon, meanwhile, the angle of blade dimensions, quantity and blade and wheel hub is optimized, wind turbine is increased
Efficiency.
Impeller is leaned on so that, as the short transverse of blade, height of the blade by wheel hub one end is more than perpendicular to the direction of shroud
The height of outer rim one end, it is in a right-angled trapezium to make the blade.
As a kind of scheme, the length of the blade is 221mm；Height of the blade by wheel hub one end is 102.5mm,
Height of the blade by impeller outer edge one end is 70mm；
The height of the spiral case is 899mm, and the width of the spiral case is 1052mm, and an outlet air is additionally provided with above the spiral case
Mouthful, the air outlet length is 435mm, width 320mm.
Under the size, this wind turbine maximum quantity of wind can reach 60000m3/ h, limiting pressure can reach 10000Pa.
As a kind of scheme, the length of the blade is more than 221mm.
By increasing length of blade, the pressure liter of impeller can be made to further increase.
Alternatively, the blade is less than 102.5mm by the height of hub side；The blade leans on impeller outer edge side
Height be less than 70mm.
By reducing the height of blade, make impeller that can also increase blade while adapting to the operating point of intermediate flow strong
Degree.
The diameter of the wheel hub and impeller ratio is at least 1:4.
Under the premise of flow is constant, the diameter ratio of wheel hub and impeller is improved, the pressure liter of impeller can be made to further increase.
An air inlet is provided at the center of the shroud, the air inlet is equipped with the arc flange towards airintake direction, shape
At an arc wind-guiding wimble structure.
By the way that arc wind-guiding wimble structure is arranged in air inlet, more steady when impeller, enhancing impeller operation is allowed airflow into
Stability.
The left side of the spiral case is equipped with a maintenance door, and the length of the maintenance door is 240~280mm, and width is 180~
220mm。
By the way that maintenance door is arranged on spiral case, spiral case inside can simply be examined under the premise of not disassembling spiral case
It surveys and repairs.
The bottom of the spiral case is additionally provided with a leakage hole, and the width of the leakage hole is no more than 35mm.
Vapor is had in gas fired-boiler smoke exhaust process to condense in spiral case, if cannot exclude condensed water in time will influence
The normal operation of wind turbine, while leak hole width can not be excessive, avoids influencing blower fan work efficiency.
As a kind of scheme, the blade is made of almag.
It can make the workplace that wind turbine is suitable for having explosive gas using almag blade.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model impeller hub disk；
Fig. 2 is a kind of structural schematic diagram of the utility model impeller；
Fig. 3 is a kind of structural schematic diagram of the utility model spiral case；
Fig. 4 is a kind of structural schematic diagram of the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face, which combines to be specifically illustrating, is expanded on further the utility model.
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, intermediate flow middle pressure wind turbine, including a motor 1, including a motor 1, motor
Be fixed with an impeller 2 on 1 motor shaft, be covered with a spiral case 7 outside impeller 2, impeller 2 include the wheel hub 3 being set on motor shaft,
The shroud 4 being connected on wheel hub 3 and hub disk 5, the blade 6 being fixed between shroud 4 and hub disk 5；Shroud 4 is equipped at least 8
Blade 6；To be parallel to the direction of shroud 4 as the length direction of blade 6, the both ends of the length direction of blade 6 carry bending knot
Structure makes 6 undulate of blade；The length direction of blade 6 and the angle that the tangent line of wheel hub 3 is in 30 degree to 55 degree.The utility model
Fan blade using blade tip and leaf tail double-bend design, so that blade is not will produce overload under the premise of reaching higher pressure and rising existing
As, meanwhile, the angle of blade dimensions, quantity and blade and wheel hub is optimized, fan efficiency is increased.
Impeller is leaned on so that, as the short transverse of blade 6, height of the blade 6 by 3 one end of wheel hub is more than perpendicular to the direction of shroud 4
The height of 2 outer rim one end, it is in a right-angled trapezium to make blade 6.
As a kind of scheme, the length of blade 6 is 221mm；Height of the blade 6 by 3 one end of wheel hub is 102.5mm, blade 6
Height by 2 outer rim one end of impeller is 70mm；The height of spiral case 7 is 899mm, and the width of spiral case 7 is 1052mm, 7 top of spiral case
It is additionally provided with an air outlet 8,8 length of air outlet is 435mm, width 320mm.Under the size, this wind turbine maximum quantity of wind can be with
Reach 60000m3/ h, limiting pressure can reach 10000Pa.
As a kind of scheme, the length of blade 6 is more than 221mm.By increasing length of blade, can make the pressure liter of impeller into
One step improves.Alternatively, height of the blade 6 by 3 side of wheel hub is less than 102.5mm；Blade 6 is by 2 outer edge side of impeller
Height is less than 70mm.By reducing the height of blade, make impeller that can also increase leaf while adapting to the operating point of intermediate flow
Piece intensity.
The diameter of wheel hub 3 and impeller 2 ratio is at least 1:4.Under the premise of flow is constant, the diameter of wheel hub and impeller is improved
Than the pressure liter of impeller can be made to further increase.An air inlet is provided at the center of shroud 4, air inlet is equipped with towards air inlet side
To arc flange, formed an arc wind-guiding wimble structure 9.By the way that arc wind-guiding wimble structure is arranged in air inlet, allow airflow into
It is more steady when impeller, the stability of enhancing impeller operation.The left side of spiral case 7 is equipped with a maintenance door 10, the length of maintenance door 10
For 240~280mm, width is 180~220mm.It, can be under the premise of not disassembling spiral case by the way that maintenance door is arranged on spiral case
Spiral case inside simply detect and repair.The bottom of spiral case 7 is additionally provided with a leakage hole 11, and the width of leakage hole 11 does not surpass
Cross 35mm.Vapor is had in gas fired-boiler smoke exhaust process to condense in spiral case, if cannot exclude condensed water in time will influence
The normal operation of wind turbine, while leak hole width can not be excessive, avoids influencing blower fan work efficiency.
As a kind of scheme, blade 6 is made of almag.Wind turbine can be made quick-fried suitable for having using almag blade
The workplace of fried property gas.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. intermediate flow middle pressure wind turbine, including a motor, an impeller, the impeller are fixed on the motor shaft of the motor
Outside is covered with a spiral case, the impeller includes the wheel hub being set on motor shaft, the shroud that is connected on the wheel hub and hub disk,
The blade being fixed between the shroud and the hub disk；
It is characterized in that, the shroud is equipped at least 8 blades；
Using length direction of the direction as blade for being parallel to shroud；
The both ends of the length direction of the blade carry warp architecture, make the blade undulate；
The tangent line of the length direction of the blade and the wheel hub is in 30 degree to 55 degree of angle.
2. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：It is with the direction perpendicular to shroud
The short transverse of blade, height of the blade by wheel hub one end are more than the height by impeller outer edge one end, make the blade be in
One right-angled trapezium.
3. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The length of the blade is
221mm；Height of the blade by wheel hub one end is 102.5mm, and height of the blade by impeller outer edge one end is 70mm；
The height of the spiral case is 899mm, and the width of the spiral case is 1052mm, and an air outlet is additionally provided with above the spiral case,
The air outlet length is 435mm, width 320mm.
4. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The length of the blade is more than
221mm。
5. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The blade leans on the height of hub side
Degree is less than 102.5mm；Height of the blade by impeller outer edge side is less than 70mm.
6. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The wheel hub and the impeller
Diameter is than being at least 1:4.
7. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：It is provided at the center of the shroud
One air inlet, the air inlet are equipped with the arc flange towards airintake direction, form an arc wind-guiding wimble structure.
8. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The left side of the spiral case is equipped with one
The length of maintenance door, the maintenance door is 240~280mm, and width is 180~220mm.
9. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The bottom of the spiral case is equipped with one
The width of leakage hole, the leakage hole is no more than 35mm.
10. intermediate flow middle pressure wind turbine according to claim 1, it is characterised in that：The blade is by almag
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531086.6U CN207660859U (en) | 2017-11-16 | 2017-11-16 | Intermediate flow middle pressure wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531086.6U CN207660859U (en) | 2017-11-16 | 2017-11-16 | Intermediate flow middle pressure wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660859U true CN207660859U (en) | 2018-07-27 |
Family
ID=62945686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721531086.6U Active CN207660859U (en) | 2017-11-16 | 2017-11-16 | Intermediate flow middle pressure wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094356A (en) * | 2019-05-13 | 2019-08-06 | 唐山润川环保机械有限公司 | A kind of novel impeller |
-
2017
- 2017-11-16 CN CN201721531086.6U patent/CN207660859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094356A (en) * | 2019-05-13 | 2019-08-06 | 唐山润川环保机械有限公司 | A kind of novel impeller |
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