CN209129673U - A kind of third level movable vane piece of mid power gas turbine power turbine - Google Patents
A kind of third level movable vane piece of mid power gas turbine power turbine Download PDFInfo
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- CN209129673U CN209129673U CN201822092610.5U CN201822092610U CN209129673U CN 209129673 U CN209129673 U CN 209129673U CN 201822092610 U CN201822092610 U CN 201822092610U CN 209129673 U CN209129673 U CN 209129673U
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Abstract
The utility model is a kind of third level movable vane piece of mid power gas turbine power turbine, belong to gas turbine blades technical field, it is to design not fairing for existing third level movable vane piece blade profile, low efficiency, what the problems such as service life is short was proposed, it include from top to bottom made of blade working part, intermediate and blade root, the molded line of blade working part is variable cross-section twisted blade, it is different along movable vane piece height cross sectional shape, area of section at the top of intermediate to blade working part by being gradually reduced, there is relative torsion between adjacent two sections, by blade root close to the blade root section O-O of intermediate on the basis of, section A-A is successively defined as by section O-O upwards, B-B, C-C, D-D, E-E, F-F, G-G and H-H, by to each depth of section of blade, axial width, chord length, into The adjustment of air horn, molded line maximum gauge and trailing edge thickness structure, improves aerodynamic efficiency, extends service life.
Description
Technical field:
The utility model belongs to gas turbine blades technical field, and in particular to a kind of mid power gas turbine power
The third level movable vane piece of turbine.
Background technique:
Gas turbine has light weight, small in size, and consumption water, electricity and lubricants capacity are few, and starting speed is fast, easy to control,
The advantages that vulnerable part is few, reliable for operation and easy to maintenance has been widely used in multiple necks such as naval vessels, generating set at present
Domain.Movable vane piece is the critical component of Gas Turbine, and current gas turbine turbine third level movable vane piece single variety,
Design method is original, and computational accuracy is lower, accurate Pneumatic Calculation and Flow Field Calculation can not be carried out, so that blade profile be made to design
Not fairing, low efficiency, service life is short, has seriously affected the safe operation of power turbine or even gas turbine.
Utility model content:
The utility model is to overcome drawbacks described above, provides a kind of third level of mid power gas turbine power turbine
Movable vane piece, the movable vane piece can solve power turbine third level vane efficiency in current mid power gas turbine it is low, using the longevity
Order the problem of short, influence gas turbine is safely operated.
The technical solution adopted in the utility model is: a kind of third level of mid power gas turbine power turbine is dynamic
One is made in blade, including blade working part, intermediate and blade root, blade working part, intermediate and blade root from top to bottom,
The molded line of the blade working part is variable cross-section twisted blade, and different along movable vane piece height cross sectional shape, area of section is by centre
It is gradually reduced at the top of body to blade working part, has relative torsion between adjacent two sections, with blade root close to the section of intermediate
On the basis of O-O, it is successively defined as section A-A, section B-B, section C-C, section D-D, section E-E, section upwards by section O-O
F-F, section G-G and section H-H, and section A-A to section H-H depth of section variation range 21.5~256.5mm it
Between, between 81.1984~63.3850mm, the variation range of chord length b exists the variation range of corresponding axial width B
Between 80.5182~83.7442mm, the variation range of flow inlet angle α is between 17.2610 °~97.2085 °, molded line maximum gauge
The variation range of Dmax between 16.9380~3.8976mm, the variation range of trailing edge thickness DE 1.5978~
Between 1.6113mm.
Preferably, the section A-A is located on intermediate, and the depth of section of section A-A is 21.5mm, corresponding to the position
Axial width B1 be 81.1984mm, chord length b1 is 83.7442mm, flow inlet angle α 1 is 17.2610 °, molded line maximum gauge
Dmax1 is 16.9380mm, trailing edge thickness DE1 is 1.6022mm.
Preferably, the section B-B is located on intermediate, and the depth of section of section B-B is 61.5mm, corresponding to the position
Axial width B2 be 77.6604mm, chord length b2 is 81.5430mm, flow inlet angle α 2 is 28.6491 °, molded line maximum gauge
Dmax2 is 14.5771mm, trailing edge thickness DE2 is 1.6113mm.
Preferably, the section C-C is located on blade working part, and the depth of section of section C-C is 80.5mm, the position
Corresponding axial width B3 is 76.0830mm, chord length b3 is 80.9727mm, flow inlet angle α 3 is 35.0811 °, molded line is maximum thick
Degree Dmax3 is 13.4449mm, trailing edge thickness DE3 is 1.5978mm.
Preferably, the section D-D is located on blade working part, and the depth of section of section D-D is 120.75mm, the position
Axial width B4 corresponding to setting is 72.9040mm, chord length b4 is 80.5182mm, flow inlet angle α 4 is 48.5871 °, molded line is maximum
Thickness Dmax4 is 11.0828mm, trailing edge thickness DE4 is 1.5981mm.
Preferably, the section E-E is located on blade working part, and the depth of section of section E-E is 161mm, the position
Corresponding axial width B5 is 69.9460mm, chord length b5 is 80.7736mm, flow inlet angle α 5 is 62.4911 °, molded line is maximum thick
Degree Dmax5 is 8.8111mm, trailing edge thickness DE5 is 1.5983mm.
Preferably, the section F-F is located on blade working part, and the depth of section of section F-F is 201.25mm, the position
Axial width B6 corresponding to setting is 67.1310mm, chord length b6 is 81.6503mm, flow inlet angle α 6 is 76.6120 °, molded line is maximum
Thickness Dmax6 is 6.6458mm, trailing edge thickness DE6 is 1.5984mm.
Preferably, the section G-G is located on blade working part, and the depth of section of section G-G is 241.5mm, the position
Axial width B7 corresponding to setting is 64.3950mm, chord length b7 is 83.0523mm, flow inlet angle α 7 is 91.3489 °, molded line is maximum
Thickness Dmax7 is 4.5476mm, trailing edge thickness DE7 is 1.5985mm.
Preferably, the section H-H is located on blade working part, and the depth of section of section H-H is 256.5mm, the position
Axial width B8 corresponding to setting is 63.3850mm, chord length b8 is 83.6888mm, flow inlet angle α 8 is 97.2085 °, molded line is maximum
Thickness Dmax8 is 3.8976mm, trailing edge thickness DE8 is 1.5985mm.
The beneficial effects of the utility model are:
The utility model is to calculate complete the three of the third level movable vane piece in one-dimensional, quasi- three-dimensional, full three-dimensional pneumatic, thermodynamic analysis
Dimension design, computational accuracy is high, organically combines the safety of the utility model and high efficiency, guarantees to pacify under variable working condition
Full efficient operation, and by experiment repeatedly and verifying is calculated, it can determine that all every physical parameters of the utility model take
The combination of value range makes that the aerodynamic efficiency of the movable vane piece improves 1.2%-1.5%, service life extends 1.2- jointly
1.4 times, so that original movable vane piece petiolarea is separated serious problem and also obtained effective control.Furthermore guaranteeing the outer of the movable vane piece
While shape structure size meets design requirement, movable vane piece assembly is also become easy.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that each section tomography in vane type line part overlaps schematic diagram；
Fig. 3 is the schematic diagram of blade parameter B, b, DE, Dmax；
Fig. 4 is the schematic diagram of blade trailing edge thickness；
Fig. 5 is the schematic diagram of blade flow inlet angle；
Wherein: 1 blade working part, 2 intermediates, 3 blade roots.
Specific embodiment:
As shown in Figures 1 to 5, the utility model is a kind of third level movable vane of mid power gas turbine power turbine
Piece, including blade working part 1, intermediate 2 and blade root 3, blade working part 1, intermediate 2 and blade root 3 are made from top to bottom
One, the molded line of the blade working part 1 is variable cross-section twisted blade, different along movable vane piece height cross sectional shape, area of section
It is gradually reduced by the top of intermediate 2 to blade working part 1, has relative torsion between adjacent two sections, with blade root 3 close to intermediate
On the basis of the 3 section O-O of blade root of body 2, it is successively defined as section A-A, section B-B, section C-C, section D- upwards by section O-O
D, section E-E, section F-F, section G-G and section H-H, and section A-A is to the depth of section (depth of section of section H-H
Refer to the height from section O-O to a certain section) variation range 21.5~256.5mm, it is corresponding axial wide
Spend the variation range of B between 81.1984~63.3850mm, the variation range of chord length b 80.5182~83.7442mm it
Between, between 17.2610 °~97.2085 °, the variation range of molded line maximum gauge Dmax exists the variation range of flow inlet angle α
Between 16.9380~3.8976mm, the variation range of trailing edge thickness DE is between 1.5978~1.6113mm.Energy is designed in this way
Guarantee the best stress of rotor, and avoids peak stress occur at blade root 3 and loading end.
Further, the section A-A is located on intermediate 2, and the depth of section of section A-A is 21.5mm, the section
The depth of section of A-A refers to the height between from section O-O to section A-A, and axial width B1 corresponding to the position is
81.1984mm, chord length b1 are 83.7442mm, flow inlet angle α 1 is 17.2610 °, molded line maximum gauge Dmax1 be 16.9380mm,
Trailing edge thickness DE1 is 1.6022mm.
Further, the section B-B is located on intermediate 2, and the depth of section of section B-B is 61.5mm, the section
The depth of section of B-B refers to the height between from section O-O to section B-B, and axial width B2 corresponding to the position is
77.6604mm, chord length b2 are 81.5430mm, flow inlet angle α 2 is 28.6491 °, molded line maximum gauge Dmax2 be 14.5771mm,
Trailing edge thickness DE2 is 1.6113mm.
Further, the section C-C is located on blade working part 1, and the depth of section of section C-C is 80.5mm, institute
The depth of section for stating section C-C refers to from the height section O-O to section C-C, axial width B3 corresponding to the position
For 76.0830mm, chord length b3 be 80.9727mm, flow inlet angle α 3 is 35.0811 °, molded line maximum gauge Dmax3 is
13.4449mm, trailing edge thickness DE3 are 1.5978mm.
Further, the section D-D is located on blade working part 1, and the depth of section of section D-D is 120.75mm,
The depth of section of the section D-D refers to from the height section O-O to section D-D, axial width corresponding to the position
B4 is 72.9040mm, chord length b4 is 80.5182mm, flow inlet angle α 4 is 48.5871 °, molded line maximum gauge Dmax4 is
11.0828mm, trailing edge thickness DE4 are 1.5981mm.
Further, the section E-E is located on blade working part 1, and the depth of section of section E-E is 161mm, described
The depth of section of section E-E refers to that from the height section O-O to section E-E, axial width B5 corresponding to the position is
69.9460mm, chord length b5 are 80.7736mm, flow inlet angle α 5 is 62.4911 °, molded line maximum gauge Dmax5 is 8.8111mm, goes out
Gas side thickness DE5 is 1.5983mm.
Further, the section F-F is located on blade working part 1, and the depth of section of section F-F is 201.25mm,
The depth of section of the section F-F refers to from the height section O-O to section F-F, axial width corresponding to the position
B6 is 67.1310mm, chord length b6 is 81.6503mm, flow inlet angle α 6 is 76.6120 °, molded line maximum gauge Dmax6 is
6.6458mm, trailing edge thickness DE6 are 1.5984mm.
Further, the section G-G is located on blade working part 1, and the depth of section of section G-G is 241.5mm, institute
The depth of section for stating section G-G refers to from the height section O-O to section G-G, axial width B7 corresponding to the position
For 64.3950mm, chord length b7 be 83.0523mm, flow inlet angle α 7 is 91.3489 °, molded line maximum gauge Dmax7 be 4.5476mm,
Trailing edge thickness DE7 is 1.5985mm.
Further, the section H-H is located on blade working part 1, and the depth of section of section H-H is 256.5mm, institute
The depth of section for stating section H-H refers to from the height section O-O to section H-H, axial width B8 corresponding to the position
For 63.3850mm, chord length b8 be 83.6888mm, flow inlet angle α 8 is 97.2085 °, molded line maximum gauge Dmax8 be 3.8976mm,
Trailing edge thickness DE8 is 1.5985mm.
In blade profile moulding, requirement according to third level movable vane piece to blade parameter, in the axial direction of the utility model blade
Width B, flow inlet angle α, molded line maximum gauge Dmax value range in so that each geometric parameter is more reasonable, blade profile is more excellent
Change, the angle of attack is more suitable, and blade aerodynamic efficiency is improved, and flowing is improved in main flow area, and blade service life extends
1.2-1.4 times, reliability and durability are greatly improved, and before so that its using effect is better than adjustment, the above properties are mentioned
Rise the result for being all based on numerical value calculating and experimental verification.
The preferable specific embodiment of the above, only the utility model, these specific embodiments are all based on this
Different implementations under utility model general idea, and the protection scope of the utility model is not limited thereto, it is any ripe
Know those skilled in the art within the technical scope disclosed by the utility model, any changes or substitutions that can be easily thought of, all
It should cover and be within the protection scope of the utility model.Therefore, the protection scope of the utility model should be with claims
Subject to protection scope.
Claims (9)
1. a kind of third level movable vane piece of mid power gas turbine power turbine, including blade working part (1), intermediate
(2) and one, the blade working is made in blade root (3), blade working part (1), intermediate (2) and blade root (3) from top to bottom
Partially the molded line of (1) is variable cross-section twisted blade, and different along movable vane piece height cross sectional shape, area of section is by intermediate (2) to leaf
Piece working portion is gradually reduced at the top of (1), has relative torsion between adjacent two sections, it is characterised in that: with blade root (3) in
On the basis of the section O-O of mesosome (2), it is successively defined as section A-A, section B-B, section C-C, section D- upwards by section O-O
D, section E-E, section F-F, section G-G and section H-H, and the variation range of depth of section of section A-A to section H-H exist
Between 21.5~256.5mm, the variation range of corresponding axial width B is between 81.1984~63.3850mm, chord length b
Variation range between 80.5182~83.7442mm, the variation range of flow inlet angle α between 17.2610 °~97.2085 °,
Between 16.9380~3.8976mm, the variation range of trailing edge thickness DE exists the variation range of molded line maximum gauge Dmax
1.5978 between~1.6113mm.
2. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section A-A is located on intermediate (2), and the depth of section of section A-A is 21.5mm, axial width corresponding to the position
Degree B1 is 81.1984mm, chord length b1 is 83.7442mm, flow inlet angle α 1 is 17.2610 °, molded line maximum gauge Dmax1 is
16.9380mm, trailing edge thickness DE1 are 1.6022mm.
3. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section B-B is located on intermediate (2), and the depth of section of section B-B is 61.5mm, axial width corresponding to the position
Degree B2 is 77.6604mm, chord length b2 is 81.5430mm, flow inlet angle α 2 is 28.6491 °, molded line maximum gauge Dmax2 is
14.5771mm, trailing edge thickness DE2 are 1.6113mm.
4. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section C-C is located on blade working part (1), and the depth of section of section C-C is 80.5mm, corresponding to the position
Axial width B3 is 76.0830mm, chord length b3 is 80.9727mm, flow inlet angle α 3 is 35.0811 °, molded line maximum gauge Dmax3
It is 1.5978mm for 13.4449mm, trailing edge thickness DE3.
5. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section D-D is located on blade working part (1), and the depth of section of section D-D is 120.75mm, corresponding to the position
Axial width B4 be 72.9040mm, chord length b4 is 80.5182mm, flow inlet angle α 4 is 48.5871 °, molded line maximum gauge
Dmax4 is 11.0828mm, trailing edge thickness DE4 is 1.5981mm.
6. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section E-E is located on blade working part (1), and the depth of section of section E-E is 161mm, axis corresponding to the position
To width B5 is 69.9460mm, chord length b5 is 80.7736mm, flow inlet angle α 5 is 62.4911 °, molded line maximum gauge Dmax5 is
8.8111mm, trailing edge thickness DE5 are 1.5983mm.
7. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section F-F is located on blade working part (1), and the depth of section of section F-F is 201.25mm, corresponding to the position
Axial width B6 be 67.1310mm, chord length b6 is 81.6503mm, flow inlet angle α 6 is 76.6120 °, molded line maximum gauge
Dmax6 is 6.6458mm, trailing edge thickness DE6 is 1.5984mm.
8. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section G-G is located on blade working part (1), and the depth of section of section G-G is 241.5mm, corresponding to the position
Axial width B7 is 64.3950mm, chord length b7 is 83.0523mm, flow inlet angle α 7 is 91.3489 °, molded line maximum gauge Dmax7
It is 1.5985mm for 4.5476mm, trailing edge thickness DE7.
9. a kind of third level movable vane piece of mid power gas turbine power turbine as described in claim 1, feature exist
In: the section H-H is located on blade working part (1), and the depth of section of section H-H is 256.5mm, corresponding to the position
Axial width B8 is 63.3850mm, chord length b8 is 83.6888mm, flow inlet angle α 8 is 97.2085 °, molded line maximum gauge Dmax8
It is 1.5985mm for 3.8976mm, trailing edge thickness DE8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092610.5U CN209129673U (en) | 2018-12-13 | 2018-12-13 | A kind of third level movable vane piece of mid power gas turbine power turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092610.5U CN209129673U (en) | 2018-12-13 | 2018-12-13 | A kind of third level movable vane piece of mid power gas turbine power turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129673U true CN209129673U (en) | 2019-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822092610.5U Active CN209129673U (en) | 2018-12-13 | 2018-12-13 | A kind of third level movable vane piece of mid power gas turbine power turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129673U (en) |
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2018
- 2018-12-13 CN CN201822092610.5U patent/CN209129673U/en active Active
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