CN206617365U

CN206617365U - Turbine assembly, multi-stage cascade turbine

Info

Publication number: CN206617365U
Application number: CN201621464544.4U
Authority: CN
Inventors: 谢奇峰
Original assignee: Dongguan Zhuo Qi Electronic Technology Co Ltd
Current assignee: Dongguan Zhuo Qi Electronic Technology Co Ltd
Priority date: 2016-09-12
Filing date: 2016-12-28
Publication date: 2017-11-07
Anticipated expiration: 2026-12-28
Also published as: CN206419267U; CN106593949A; CN206419269U; CN106762822B; CN106762822A; CN106704260B; CN106704260A; CN106704258A; CN106837866A

Abstract

The utility model discloses a kind of multi-stage cascade turbine, including Inner guide wall, outer training wall and the diversion air duct being formed between the Inner guide wall and outer training wall, some blades are provided with the diversion air duct, centrifugation runner that the diversion air duct includes throwing away from air to surrounding, it is connected with the centrifugation runner and the air thrown away to surrounding is accelerated into derived acceleration channels, the blade, which includes being located at, described centrifuges some centrifuge blades in runner and some speeding-up blades in the acceleration channels.Compared with prior art, turbine of the present utility model is the cascade turbine of at least two-stage, centrifugation runner is wherein first passed through to throw away air to surrounding, by acceleration channels accelerated the air thrown away to export again, not only wind can smoothly be exported, and wind-force is big, or even the effect for being several times as much as conventional single stage impeller blast can be reached.

Description

Turbine assembly, multi-stage cascade turbine

Technical field

The utility model is related to turbine, more particularly to the turbine that air-supply is steady, wind-force is strong.

Background technology

Present air propeller, especially without leaf air propeller, existing turbine, which is existed, send ability of air weak, and wind-force is unstable The shortcomings of, this technology is improved for existing issue.

Utility model content

The purpose of this utility model is to provide the turbine that air-supply is steady, wind-force is strong.

Upper purposeful in order to realize, the utility model discloses a kind of multi-stage cascade turbine, including Inner guide wall, outer water conservancy diversion Some blades, institute are provided with wall and the diversion air duct being formed between the Inner guide wall and outer training wall, the diversion air duct Centrifugation runner that diversion air duct includes throwing away from air to surrounding is stated, is connected and will be thrown away to surrounding with the runner that centrifuges Air accelerates derived acceleration channels, and the blade is included located at some centrifuge blades centrifuged in runner and located at described Some speeding-up blades in acceleration channels.

Compared with prior art, turbine of the present utility model is the cascade turbine of at least two-stage, wherein first passing through centrifugation stream Road throws away air to surrounding, by acceleration channels accelerated the air thrown away to export again, not only can be stable by wind Output, and wind-force is big, or even the effect for being several times as much as conventional single stage impeller blast can be reached.

Wherein, the Inner guide wall includes the first Inner guide wall and the second Inner guide wall, and the outer training wall includes first Outer training wall and the second outer training wall, provided with the centrifuge blade with shape between the first Inner guide wall and the first outer training wall The speeding-up blade is provided with into the centrifugation runner, between the second Inner guide wall and the second outer training wall to form described add Fast runner.

Prolong it is preferred that the first outer training wall is located at axial direction of the side of air scoop along the multi-stage cascade turbine Stretch to form the synchronous outer training wall of centrifugation.It is axle stream mode that the synchronous outer kuppe of centrifugation, which turns to whizzer, in first Training wall synchronous rotary, overcomes the air of the external quiet kuppe of tradition to make an uproar.

It is preferred that the first Inner guide wall is raised arc-shaped curved surface or taper surface, and the first Inner guide wall On be formed with some centrifuge blades formed from the axle center to extending around.The program causes the centrifugation runner is not only will The runner that air is thrown away to surrounding, also flows air vertically so that centrifugation runner is compound runner, is not only easy to air defeated Deliver in acceleration channels, also cause air flows in centrifugation runner more smooth steady.

Specifically, the first Inner guide wall is the conical surface that bus is straight line or convex.

More preferably, the taper of the first Inner guide wall is gold angle or close to gold angle.The of gold angle One Inner guide wall make it that flowing of the air on the first Inner guide wall is more smooth.

More preferably, the first Inner guide wall is water conservancy diversion plane, formed in the water conservancy diversion plane it is some from the axle center to Extend around the centrifuge blade to be formed.

It is preferred that the acceleration channels are the turbine runner axially accelerated along it.

Specifically, the second Inner guide wall be with its it is axially in parallel or with approximately parallel guide face, described second Outer training wall is engaged with the second Inner guide wall.

It is preferred that projection of some centrifuge blades in the plane along the multi-stage cascade turbine axis perpendicular is in have Helical curve or angled straight lines that center is scattered to surrounding.The centrifuge blade of helical curve causes air velocity faster more steady.

It is preferred that the first Inner guide wall and the second Inner guide wall are integrally formed, the centrifuge blade and speeding-up blade It is respectively formed on the first Inner guide wall and the second Inner guide wall.It is easy to make, and causes air in centrifugation runner and add Flowing between fast runner is more smooth.

It is preferred that the second outer training wall is integrally formed with the second Inner guide wall and speeding-up blade.The program makes The outsides of acceleration channels has the retaining wall (the second outer training wall) of a cooperation so that the acceleration effect of air more preferably, and wind Speed is more steady.

It is preferred that the centrifuge blade is formed on the first Inner guide wall, and the centrifuge blade is away from first The projection and concave point of male-female engagement are respectively formed with the side of training wall and the first outer training wall, the centrifuge blade connects It is described raised to engage with the concave point when being connected on the described first outer training wall.The raised cooperation with the concave point can effectively subtract The vibration of runner is centrifuged less and prevents from centrifuging overflow.

It is preferred that the centrifuge blade has one between the leaf head in the multi-stage cascade turbine axle center and the axle center Fixed gap, so as to form air draught raceway groove between some centrifuge blades and the axle center.The program allows air to be inhaled In wind raceway groove suction centrifugation runner, increase air velocity and efficiency.

It is preferred that the diversion air duct also includes the air draught runner that air is accelerated to and is delivered to centrifugation runner, the leaf Piece includes the air draught blade in the air draught runner.

Specifically, the air draught runner is the runner for entering air along its axial direction.

Specifically, the air draught blade is spiral helicine helical blade, so that the air draught runner is spirally inlet air Runner, air draught efficiency high.

More preferably, the air draught blade with the projection in the plane of the axis perpendicular of the multi-stage cascade turbine helically Curve.

More preferably, in some air draught blades, adjacent air draught blade hangs down with the axle center of the multi-stage cascade turbine Projection head and the tail in straight plane are overlapping, suppress to stop air return and increase blast.

Specifically, the diversion air duct also includes the air draught runner that air is accelerated to and is delivered to centrifugation runner, the leaf Piece includes the air draught blade in the air draught runner, and the Inner guide wall also includes the 3rd Inner guide wall, the outer water conservancy diversion Wall also includes the 3rd outer training wall, and the air draught blade is provided between the 3rd Inner guide wall and the 3rd outer training wall to be formed The air draught runner.

More specifically, the first outer training wall and the 3rd outer training wall are integrally formed.

More specifically, the 3rd outer training wall, the 3rd Inner guide wall and air draught blade are integrally formed.

More preferably, the center for entering air scoop of the air draught runner is less than surrounding, so that the air draught runner can be actively Calm the anger.

The invention also discloses a kind of turbine assembly, including the first Inner guide wall and with the first Inner guide wall phase The second Inner guide wall even, the first Inner guide wall is to be led in the curved surface of projection or the water conservancy diversion plane of level, described first The centrifuge blade that some axle center from the turbine assembly are formed to extending around, the second Inner guide wall are formed with stream wall For with the axially in parallel of the turbine assembly or with the approximately parallel guide face in the axial direction, shape on the second Inner guide wall Into there is some speeding-up blades.

Compared with prior art, on turbine assembly of the present utility model, centrifuge blade and the first Inner guide wall may make up one The centrifugation runner that air is thrown away to surrounding, forms a turbine runner between speeding-up blade and the second Inner guide wall, so as to First Inner guide wall is flowed through to the air come and accelerates output, to form acceleration channels so that air first passes through centrifugation runner by sky Gas throws away to surrounding, by acceleration channels accelerated the air thrown away to export again, not only can smoothly export wind, and Wind-force is big.

It is preferred that the turbine assembly is integrally formed.

It is preferred that the first Inner guide wall is the conical surface that bus is straight line or convex.The program makes to have leisure Gas accelerates while outwards being thrown away along the first Inner guide wall along axle stream so that wind-force is bigger, more steadily.

More preferably, the taper of the first Inner guide wall is gold angle or close to gold angle.

It is preferred that the second outer training wall is additionally provided with outside the second Inner guide wall certain distance, outside the speeding-up blade Side is integrally formed with the described second outer training wall or is connected or is in contact, so as to the second Inner guide wall, lead outside second The acceleration channels for flowing out air acceleration vertically are formed between stream wall and the speeding-up blade.

More preferably, the described second outer training wall is corresponding with the second Inner guide wall shape.

Brief description of the drawings

Fig. 1 a are the stereograms of one angle of two-level concatenation turbine in the utility model first embodiment.

Fig. 1 b are the stereograms of another angle of two-level concatenation turbine described in the utility model first embodiment.

Fig. 1 c are the sectional views of two-level concatenation turbine described in Fig. 1 a.

Fig. 1 d are the schematic diagrams of two-level concatenation turbine described in the utility model first embodiment.

Fig. 1 e are the schematic diagrams of two-level concatenation turbine described in another embodiment of the utility model.

Fig. 2 a are the structural representations of two-level concatenation turbine Part I described in Fig. 1 a.

Fig. 2 b are the schematic perspective views of two-level concatenation turbine Part II described in Fig. 1 a.

Fig. 2 c are the top views of two-level concatenation turbine Part II described in Fig. 1 a.

Fig. 2 d are the schematic perspective views of two-level concatenation turbine Part II described in another embodiment of the utility model.

Fig. 2 e are the schematic perspective views of two-level concatenation turbine Part II described in the another embodiment of the utility model.

Fig. 3 a are the stereograms of one angle of three-stage cascade turbine described in the utility model second embodiment.

Fig. 3 b are the top views of three-stage cascade turbine described in the utility model second embodiment.

Fig. 3 c are the sectional views of three-stage cascade turbine described in the utility model second embodiment.

Fig. 3 d are the schematic diagrams of three-stage cascade turbine described in the utility model second embodiment.

Fig. 4 is the structural representation of the Part I of three-stage cascade turbine described in Fig. 3 a.

Embodiment

To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation Mode simultaneously coordinates accompanying drawing to be explained in detail.

With reference to Fig. 1 a to Fig. 1 d, Fig. 2 a to Fig. 2 c, the utility model discloses a kind of two-level concatenation turbine 100a, including it is interior Set in training wall, outer training wall and the diversion air duct being formed between the Inner guide wall and outer training wall, the diversion air duct There are some blades, centrifugation runner 10 that the diversion air duct includes throwing away from air to surrounding, be connected with the runner 10 that centrifuges Lead to and the air thrown away to surrounding is accelerated into derived acceleration channels 20, the blade includes centrifuging in runner 10 located at described Some centrifuge blades 13 and some speeding-up blades 23 in the acceleration channels 20.Certainly, protection model of the present utility model Enclose and be not limited in two-level concatenation, for example, the cascade turbine of more than one-level or one-level, example can be cascaded before centrifugation runner 10 Such as axial direction or compound air inlet runner so that the turbine constitutes three-stage cascade turbine, even seven grades cascade whirlpools of level Four cascade turbine Wheel.

Wherein, the Inner guide wall includes the first Inner guide wall 11 and the second Inner guide wall 21, and the outer training wall includes Provided with some between the first outer training wall 22 of outer training wall 12 and second, the outer training wall 12 of the first Inner guide wall 11 and first The centrifuge blade 13 is provided with being formed between the centrifugation runner 10, the outer training wall 22 of the second Inner guide wall 21 and second Some speeding-up blades 23 are to form the acceleration channels 20.

With reference to Fig. 1 c, the two-level concatenation turbine 100a includes two parts, Part I 101a and Part II 102a, the A part is kuppe, and Part II is a turbine assembly.Include the first outer training wall 12 with reference to Fig. 2 a, Part I 101a, With reference to Fig. 2 b, the Part II includes the first Inner guide wall 11 and the second Inner guide being connected with the first Inner guide wall 11 Some centrifuge blades 13 formed from the axle center to extending around are formed with wall 21, the first Inner guide wall 11, it is described Second Inner guide wall 21 be with the axially in parallel of the turbine assembly or with the approximately parallel guide face in the axial direction so that institute It is the turbine runner axially accelerated along it to state acceleration channels 20.Some speeding-up blades are formed with the second Inner guide wall 21 23.In use, Part I 101 and Part II are fitted together so that the first outer training wall 12 is connected with centrifuge blade 13, So as to form centrifugation runner 10 between the first Inner guide wall 11, the first outer training wall 12, the centrifuge blade 13.

In the present embodiment, side and the first outer training wall of the centrifuge blade 13 away from the first Inner guide wall 11 The projection 41 and concave point 42 of male-female engagement are respectively formed with 12, the centrifuge blade 13 is connected to the described first outer training wall 12 When upper, described raised 41 engage with the concave point 42.The cooperation of projection 41 and the concave point 42 is effectively reduced centrifugation runner 10 Vibration and prevent centrifuge overflow.

Preferably, with reference to Fig. 1 c and Fig. 2 a, the Part I is same also including what is be connected with the described first outer training wall 12 The outer training wall 14 of step centrifugation, it is located at the side of air scoop along the two-level concatenation turbine 100a's by the first outer training wall 12 It is axially extending to be formed.It is axle stream mode that the synchronous outer kuppe 14 of centrifugation, which turns to whizzer, with the first Inner guide wall 11 Synchronous rotary, overcomes the air of the external quiet kuppe of tradition to make an uproar.

Preferably, with reference to Fig. 2 a, is additionally provided with the second outer training wall 22 outside the certain distance of the second Inner guide wall 21, described The outside of speeding-up blade 23 is integrally formed with the described second outer training wall 22, so as to be led outside the second Inner guide wall 21, second The acceleration channels 20 for flowing out air acceleration vertically are formed between stream wall 22 and the speeding-up blade 23.Certainly, it is described to add The outside of fast blade 23 can also by other means link together with the described second outer training wall 22 or only mutually support Touch.Certainly, the described second outer training wall 22 not Essential features, can not set outer training wall the second Inner guide wall 21 is outer (as shown in Figure 2 c), when in use, it is only necessary to a cover in the outer cover of turbine assembly, now, the inwall of cover So that the Inner guide wall 21 of speeding-up blade 23 and second formation acceleration channels 20.Wherein, led in the described second outer training wall and second Flow wall shape correspondence.In the present embodiment, the second outer training wall 22 be with the axially in parallel of turbine or with it is approximately parallel Guide face.

With reference to Fig. 1 c, 1d and Fig. 2 b, the first Inner guide wall 11 is raised taper surface, with reference to Fig. 2 c, the centrifugation Blade 13 is formed from the axle center to extending around respectively, and some centrifuge blades are located at the whirlpool with a determining deviation The axle center surrounding of wheel assembly.Wherein, the first Inner guide wall 11 is that bus is straight line, certainly, the first Inner guide wall 11 Bus can also be convex conical surface.Wherein, the first Inner guide wall 11 can also be other raised arc-shaped curved surfaces. Certainly, first training wall 11 can also be water conservancy diversion plane.

In the present embodiment, the taper of the first Inner guide wall 11 is gold angle or close to gold angle (137.3 Degree), 137.3 degree of taper make it that flowing of the air on the first Inner guide wall 11 is more smooth.

With reference to Fig. 2 c, projection of the centrifuge blade 13 in the plane along the axis perpendicular of multi-stage cascade turbine 100 For helical curve, some centrifuge blades 13 are set on the perspective plane around center with a determining deviation, and from center to four Week scatters.Certainly, the projection of the centrifuge blade 13 can also be the inclination formed an angle relative to the straight line by axle center Straight line.

Preferably, with reference to Fig. 2 b and Fig. 2 c, leaf head and institute of the centrifuge blade close to the multi-stage cascade turbine axle center Stating has certain interval between axle center, so as to form air draught raceway groove between some centrifuge blades and the axle center.The program Allow air by air draught raceway groove suction centrifugation runner, increase air velocity and efficiency.

Wherein, in the present embodiment, the first Inner guide wall 11 and the second Inner guide wall 21 are integrally formed, the centrifugation Blade 13 and speeding-up blade 23 are respectively formed on the first Inner guide wall 11 and the second Inner guide wall 21, are led outside described second Stream wall 22 is integrally formed with the second Inner guide wall 21 and speeding-up blade 23.

More than, when the two-level concatenation turbine 100a is operated jet flow, comprise the following steps：(1) by centrifuging runner The air of entrance is thrown away and exported to an acceleration channels to surrounding centrifugation by 10；(2) centrifugal drying will be passed through by acceleration channels 20 The air gone out carries out second and axially accelerates and export.

With reference to Fig. 2 d, in another embodiment, centrifuge blade 13a thickness is from the front end close to axle center to close to surrounding End gradually thickeies.With reference to Fig. 2 d and Fig. 2 e, the centrifuge blade 13 is provided with reinforced sheet in outside, and the reinforced sheet is from front to back Gradually extend to the direction away from the centrifuge blade 13, and the front end of the reinforced sheet and the front end phase of the centrifuge blade 13 Even, the end of the reinforced sheet is connected with the end of the centrifuge blade 13 by a stator.Certainly, the centrifuge blade It can be integrally formed.

With reference to Fig. 3 a to Fig. 4, the utility model discloses a kind of three-stage cascade turbine, the three-stage cascade turbine 100b bags Include Inner guide wall, outer training wall and the diversion air duct being formed between the Inner guide wall and outer training wall, the diversion air duct Interior to be provided with some blades, the diversion air duct includes the air draught runner 30 that air is accelerated to and is delivered to centrifugation runner 10, by sky Centrifugation runner 10 that gas is thrown away to surrounding, with the centrifugation runner 10 it is connected and accelerates the air thrown away to surrounding derived Acceleration channels 20, the blade is included located at some centrifuge blades 13 centrifuged in runner 10 and located at the acceleration channels Some speeding-up blades 23 in 20 and the air draught blade 33 in the air draught runner 30.Wherein, the air draught runner 30 is The first order turbine for entering the runner of air, i.e. three-stage cascade turbine 100b along its axial direction is axial flow turbine, certainly, first order turbine It can also be axle stream composite turbine.

With reference to Fig. 3 c, the Inner guide wall includes the first Inner guide wall 11, the second Inner guide wall 21 and the 3rd Inner guide wall 31, the outer training wall includes leading in the first outer training wall 12, the second outer Inner guide wall 33 of training wall 22 and the 3rd, described first Some centrifuge blades 13 are provided between the stream outer training wall 12 of wall 11 and first to form the centrifugation runner 10, described second Some speeding-up blades 23 are provided between the outer training wall 22 of Inner guide wall 21 and second to form the acceleration channels 20.It is described Some air draught blades 33 are provided between 3rd Inner guide wall 31 and the 3rd outer training wall 32 to form the air draught runner 30.

With reference to Fig. 3 a and Fig. 3 b, the air draught blade 33 is spiral helicine helical blade, so that the air draught runner For the runner of spirally inlet air, air draught efficiency high.Wherein, the air draught blade 33 is in the axis perpendicular with three-stage cascade turbine 100b Plane on projection helically curve.

With reference to Fig. 3 b, in some air draught blades 33, adjacent air draught blade 33 is with three-stage cascade turbine 100b's Projection head and the tail in the plane of axis perpendicular are overlapping, suppress to stop air return and increase blast.

In the present embodiment, the described first outer training wall 32 of outer training wall 12 and the 3rd is integrally formed.Led outside described 3rd Stream wall 32, the 3rd Inner guide wall 31 and air draught blade 30 are integrally formed.That is, the side that the 3rd outer training wall 32 is exported stretches out Form the second outer training wall 12.

Preferably, the center for entering air scoop of the air draught runner 30 is less than surrounding, so that the air draught runner 30 can be with Actively calm the anger.

With reference to Fig. 3 c, Fig. 2 b to Fig. 2 e and Fig. 4, the three-stage cascade turbine 100b includes two parts, Part I 101b With Part II 102a, 102b or 102c, Part I is kuppe, and Part II is a turbine assembly.With reference to Fig. 4, first Part 101b includes the first outer training wall 32 of outer training wall 12 and the 3rd, with reference to Fig. 2 b to Fig. 2 e, the Part II 102a, 102b or 102c structure as described above, be not just described in detail herein.In use, Part I 101 and Part II 102a, 102b or 102c are fitted together so that the first outer training wall 12 is connected with centrifuge blade 13, thus the first Inner guide wall 11, Centrifugation runner 10 is formed between first outer training wall 12, the centrifuge blade 13, and makes the He of air draught runner 30 of first order turbine The transition of follow-up centrifugation runner 10 is more steady, and the first outer training wall 12 and the synchronous axial system of air draught runner 30, reduction wind make an uproar and Increase wind effect.

Preferably, in order to preferably combine Part I 101b and Part II, with reference to Fig. 3 c, Fig. 2 b to figure Polygon groove and the polygon positioning of mutual cooperation are formed with 2e and Fig. 4, the Part I 101b and Part II over there Block, polygon groove and polygon locating piece cause Part I 101b and Part II to be combined together at a certain angle so that Air draught runner 30 and centrifugation runner 10 position are relative, prevent the position mismate due to air draught blade 33 and centrifuge blade 13, So that air flow is obstructed.

In the present embodiment, side and the first outer training wall of the centrifuge blade 13 away from the first Inner guide wall 11 The projection 41 and concave point 42 of male-female engagement are respectively formed with 12, the centrifuge blade 13 is connected to the described first outer training wall 12 When upper, described raised 41 engage with the concave point 42.The cooperation of projection 41 and the concave point 42 is effectively reduced centrifugation runner 10 Vibration and prevent centrifuge overflow.Certainly, Part I and Part II closer by other means can also coordinate Together, for example, being fixed Part I and Part II by way of pasting bonding, for example, by Part I (first Outer training wall 12) on be arranged at centrifuge blade 13 cooperation groove, so that Part I and Part II be linked together.

Preferably, with reference to Fig. 1 c and Fig. 2 a, the Part I is same also including what is be connected with the described first outer training wall 12 The outer training wall 14 of step centrifugation, it is located at the side of air scoop along the three-stage cascade turbine 100b's by the first outer training wall 12 It is axially extending to be formed.It is axle stream mode that the synchronous outer kuppe 14 of centrifugation, which turns to whizzer, with the first Inner guide wall 11 Synchronous rotary, overcomes the air of the external quiet kuppe of tradition to make an uproar.

With reference to Fig. 2 b, the first Inner guide wall 11 is raised taper surface, and with reference to Fig. 2 c, the centrifuge blade 13 is distinguished Formed from the axle center to extending around, and some centrifuge blades are located at the axle center surrounding with a determining deviation.Wherein, The first Inner guide wall 11 is that bus is straight line, certainly, and the bus of the first Inner guide wall 11 can also be convex Conical surface.Wherein, the first Inner guide wall 11 can also be other raised arc-shaped curved surfaces.Certainly, first training wall 11 It can also be water conservancy diversion plane.

When being worked using three-stage cascade turbine 100b, turbine jet flow method comprises the following steps：(1) air draught runner 30 is passed through Draw air into and axially accelerate for the first time, and the air after acceleration is delivered to centrifugation runner 10.(2) flowed by centrifuging The air of entrance is thrown away and exported to acceleration channels 20 to surrounding centrifugation by road 10；(3) will be by centrifugation by acceleration channels 20 The air thrown away carries out second and axially accelerates and export.

Certainly, turbine air draught turbine (turbine for forming air draught runner 30) structure of the first order is not limited to above-mentioned reality Example is applied, axial flow turbine or other air draught turbines is also not limited in.

Above disclosed is only preferred embodiment of the present utility model, can not limit this practicality with this certainly new The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and are covered Scope.

Claims

1. a kind of turbine assembly, it is characterised in that：Second be connected including the first Inner guide wall and with the first Inner guide wall Inner guide wall, the first Inner guide wall is shape on the curved surface of projection or the water conservancy diversion plane of level, the first Inner guide wall Into the centrifuge blade for thering are some axle center from the turbine assembly to be formed to extending around, the second Inner guide wall be with it is described Turbine assembly axially in parallel or with the approximately parallel guide face in the axial direction, be formed with the second Inner guide wall some Speeding-up blade.

2. turbine assembly as claimed in claim 1, it is characterised in that：The first Inner guide wall is raised curved surface or cone Shape face or the water conservancy diversion plane of level, and air is thrown away along the Inner guide wall to surrounding centrifugation.

3. turbine assembly as claimed in claim 2, it is characterised in that：The first Inner guide wall is that bus is straight line or convex The conical surface of arc, the taper of the first Inner guide wall is for gold angle or close to gold angle.

4. turbine assembly as claimed in claim 1, it is characterised in that：The turbine assembly is integrally formed.

5. turbine assembly as claimed in claim 1, it is characterised in that：Is additionally provided with outside the second Inner guide wall certain distance Two outer training walls, the outside of the speeding-up blade is integrally formed with the described second outer training wall or is connected or is in contact, with Make to be formed between the second Inner guide wall, the second outer training wall and the speeding-up blade and air is accelerated what is flowed out vertically Acceleration channels.

6. a kind of multi-stage cascade turbine, including Inner guide wall, outer training wall and be formed at the Inner guide wall and outer training wall it Between diversion air duct, some blades are provided with the diversion air duct, it is characterised in that：The diversion air duct is included air to four The centrifugation runner that throws away in week, it is connected with the centrifugation runner and the air thrown away to surrounding is accelerated into derived acceleration channels, The blade includes some centrifuge blades in the centrifugation runner and some acceleration leaves in the acceleration channels Piece.

7. multi-stage cascade turbine as claimed in claim 6, it is characterised in that：Including as any one of claim 1-4 Turbine assembly, the Inner guide wall includes the first Inner guide wall and the second Inner guide wall in the turbine assembly, described outer Training wall includes the first outer training wall and the second outer training wall, the first outer training wall and the second outer training wall be respectively arranged on described in from The outside of lobus cardiacus piece and the speeding-up blade, and be integrally formed or be connected with the centrifuge blade and the speeding-up blade respectively Or be in contact.

8. multi-stage cascade turbine as claimed in claim 7, it is characterised in that：The acceleration channels are the whirlpool axially accelerated along it Take turns runner, the second Inner guide wall be with its it is axially in parallel or with approximately parallel guide face, the second outer training wall It is engaged with the second Inner guide wall.

9. multi-stage cascade turbine as claimed in claim 7, it is characterised in that：The first outer training wall is located at air scoop Side and extending along the axial direction of the multi-stage cascade turbine and to the acceleration channels direction to form the synchronous outer training wall of centrifugation, institute The synchronous outer training wall of centrifugation is stated to be located on the outside of the acceleration channels.

10. multi-stage cascade turbine as claimed in claim 6, it is characterised in that：The acceleration channels are axially to accelerate along it Turbine runner.

11. multi-stage cascade turbine as claimed in claim 6, it is characterised in that：Some centrifuge blades are along the multistage The projection in the plane of turbine axis perpendicular is cascaded in the helical curve or angled straight lines scattered from center to surrounding.

12. multi-stage cascade turbine as claimed in claim 7, it is characterised in that：The centrifuge blade is away from the first Inner guide wall Side and the first outer training wall on be respectively formed with the projection and concave point of male-female engagement, the centrifuge blade is connected to institute It is described raised to engage with the concave point when stating on the first outer training wall.

13. multi-stage cascade turbine as claimed in claim 6, it is characterised in that：The diversion air duct also includes accelerating air And the air draught runner of centrifugation runner is delivered to, the blade includes the air draught blade in the air draught runner.

14. multi-stage cascade turbine as claimed in claim 13, it is characterised in that：The air draught runner is axially to accelerate along it Turbine runner.

15. multi-stage cascade turbine as claimed in claim 14, it is characterised in that：The air draught blade is spiral helicine helical-blade Piece, the air draught blade with the helically curve of the projection in the plane of the axis perpendicular of the multi-stage cascade turbine.

16. multi-stage cascade turbine as claimed in claim 15, it is characterised in that：In some air draught blades, adjacent suction Air blade is overlapping with the projection head and the tail in the plane of the axis perpendicular of the multi-stage cascade turbine.

17. multi-stage cascade turbine as claimed in claim 7, it is characterised in that：The diversion air duct also includes accelerating air And be delivered to the air draught runner of centrifugation runner, the blade includes the air draught blade in the air draught runner, it is described in lead Flowing wall also includes the 3rd Inner guide wall, and the outer training wall also includes the 3rd outer training wall, the 3rd Inner guide wall and the 3rd The air draught blade is provided between outer training wall to form the air draught runner, the first outer training wall and the 3rd outer training wall It is integrally formed, the 3rd outer training wall, the 3rd Inner guide wall and air draught blade are integrally formed.