CN212272311U - Anti-erosion high-reliability regulating-stage blade of steam turbine - Google Patents
Anti-erosion high-reliability regulating-stage blade of steam turbine Download PDFInfo
- Publication number
- CN212272311U CN212272311U CN202020789328.7U CN202020789328U CN212272311U CN 212272311 U CN212272311 U CN 212272311U CN 202020789328 U CN202020789328 U CN 202020789328U CN 212272311 U CN212272311 U CN 212272311U
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- blade
- face
- fixedly connected
- blade body
- high reliability
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Abstract
The utility model belongs to the technical field of the turbine blade, especially, be a turbine anti-erosion high reliability regulation level blade, including the blade body, the preceding terminal surface of blade body is provided with logical groove, and the preceding terminal surface that leads to the groove is provided with the installation shell, and the preceding terminal surface of installation shell is provided with the filter screen, and the preceding terminal surface of filter screen all is provided with the hole with the medial surface of blade body, and the medial surface of hole is provided with the rubber sleeve, and the medial surface of rubber sleeve is provided with the dull polish layer. The utility model discloses a set up installation shell and filter screen, can prevent that the impurity in the steam from gluing on one's body the leaf, avoid the leaf body to receive the corruption of impurity, the life of having ensured the leaf body is not influenced, also make things convenient for the user of service to clear up the leaf body simultaneously, through setting up rubber sleeve and dull polish layer, the user of service can put the platinum card in the hole when the welding platinum, prevent that the platinum from rocking when the welding, also avoid the user of service to support the platinum simultaneously, welding work for the user provides convenience.
Description
Technical Field
The utility model relates to a steam turbine blade technical field specifically is an anti erosion high reliability regulation level blade of steam turbine.
Background
The turbine blade is a general name of steel for moving and static blades in a turbine; the blade is a key part of the steam turbine and is one of the finest and most important parts; it bears the combined action of high temperature, high pressure, huge centrifugal force, steam exciting force, corrosion and vibration and wet steam area water drop erosion under extremely harsh conditions; the aerodynamic performance, the processing geometry, the surface roughness, the installation clearance, the operation condition, the scaling and other factors all influence the efficiency and the output of the steam turbine; the structural design, the vibration strength and the operation mode of the vibration damping device have decisive influence on the safety and reliability of the unit.
There are the following problems:
1. the traditional device can not prevent that the impurity in the steam from gluing on one's body, and the leaf body easily receives the corruption of impurity, leads to the life of leaf body to shorten, also does not make things convenient for the user of service to clear up the leaf body simultaneously, and the use of giving the user has brought inconveniently.
2. When the user of service is welding the platinum to traditional device, traditional device can not put the platinum fixing clip including downthehole, and the platinum easily rocks when leading to the welding, needs the user of service to support the platinum, inconvenient user of service's weldment work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an anti erosion high reliability regulation level blade of steam turbine has solved traditional device and can not prevent that the impurity in the steam from gluing on one's body and can not put downthehole problem including the gold card.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti erosion high reliability regulation level blade of steam turbine, includes the blade body, the up end of blade body is provided with the blade crown, the preceding terminal surface of blade crown is provided with coarse line, the preceding terminal surface of coarse line is provided with first strengthening rib, the preceding terminal surface of blade body is provided with logical groove, the both sides of blade body all are provided with the air outlet, the preceding terminal surface that leads to the groove is provided with the installation shell, the both sides of installation shell all are provided with the mount, the preceding terminal surface of installation shell is provided with the filter screen, the preceding terminal surface of filter screen all is provided with the hole with the medial surface of blade body, the medial surface of hole is provided with the rubber sleeve, the medial surface of rubber sleeve is provided with the dull polish layer, the lower terminal surface of blade body is provided with the blade root, the preceding terminal surface of blade root is provided with the.
As an optimized technical scheme of the utility model, leaf crown fixed connection is in the up end of blade body, coarse grain fixed connection is in the preceding terminal surface of leaf crown
As an optimized technical scheme of the utility model, first strengthening rib fixed connection is in the preceding terminal surface of coarse line, lead to groove fixed connection in the preceding terminal surface of blade body
As a preferred technical scheme of the utility model, air outlet difference fixed connection is in the both sides of blade body, installation shell swing joint is in leading to the preceding terminal surface in groove
As a preferred technical scheme of the utility model, mount difference fixed connection is in the both sides of installation shell, filter screen fixed connection is in the preceding terminal surface of installation shell
As a preferred technical scheme of the utility model, hole difference fixed connection is in the preceding terminal surface of filter screen and the medial surface of blade body, rubber sleeve fixed connection is in the medial surface of hole
As a preferred technical scheme of the utility model, dull polish layer fixed connection is in the medial surface of rubber sleeve, blade root fixed connection is in the lower terminal surface of blade body
As a preferred technical scheme of the utility model, protective layer fixed connection is in the preceding terminal surface of blade root, second strengthening rib fixed connection is in the preceding terminal surface of protective layer
Compared with the prior art, the utility model provides an anti erosion high reliability regulation level blade of steam turbine possesses following beneficial effect:
1. this anti erosion high reliability regulation level blade of steam turbine through setting up installation shell and filter screen, can prevent that the impurity in the steam from gluing on one's body the leaf, avoids the leaf body to receive the corruption of impurity, has ensured that the life of leaf body is not influenced, also makes things convenient for the user of service to clear up the leaf body simultaneously.
2. This anti erosion high reliability regulation level blade of steam turbine through setting up rubber sleeve and dull polish layer, and the user of service can put the au drawing card in the hole when the welding is drawn gold, prevents that the au drawing from rocking when the welding, also does not avoid the user of service to support the au drawing simultaneously, provides convenience for user of service's weldment work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the blade body of the present invention;
fig. 3 is a structural diagram of the inner hole of the present invention.
In the figure: 1. a leaf body; 2. a leaf shroud; 3. a first reinforcing rib; 4. coarse grains; 5. a through groove; 6. an air outlet; 7. mounting a shell; 8. a fixed mount; 9. a filter screen; 10. a blade root; 11. a second reinforcing rib; 12. a protective layer; 13. an inner bore; 14. a rubber sleeve; 15. and (5) sanding a layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an anti erosion high reliability regulation level blade of steam turbine, including blade body 1, the up end of blade body 1 is provided with blade shroud 2, the preceding terminal surface of blade shroud 2 is provided with coarse grain 4, the preceding terminal surface of coarse grain 4 is provided with first strengthening rib 3, the preceding terminal surface of blade body 1 is provided with logical groove 5, the both sides of blade body 1 all are provided with air outlet 6, the preceding terminal surface that leads to groove 5 is provided with installation shell 7, the both sides of installation shell 7 all are provided with mount 8, the preceding terminal surface of installation shell 7 is provided with filter screen 9, the preceding terminal surface of filter screen 9 all is provided with hole 13 with the medial surface of blade body 1, the medial surface of hole 13 is provided with rubber sleeve 14, the medial surface of rubber sleeve 14 is provided with dull polish layer 15, the lower terminal surface of blade body 1 is provided with blade root 10, the preceding terminal surface of blade root 10 is provided with protective.
In this embodiment, blade body 1 provides the mounted position for blade shroud 2 and blade root 10, leads to groove 5 and 6 cooperation uses of air outlet, reduces the impact force that blade body 1 received, and first strengthening rib 3 and second strengthening rib 11 prevent that blade shroud 2 and blade root 10 from droing from blade body 1.
Specifically, the blade shroud 2 is fixedly connected to the upper end face of the blade body 1, and the coarse grains 4 are fixedly connected to the front end face of the blade shroud 2.
In this embodiment, the shroud 2 provides a mounting location for the asperities 4, and the asperities 4 increase the ability of the device to capture steam impingement forces.
Specifically, the first reinforcing rib 3 is fixedly connected to the front end face of the rough texture 4, and the through groove 5 is fixedly connected to the front end face of the blade body 1.
In the embodiment, the first reinforcing rib 3 reinforces the connection between the blade shroud 2 and the blade body 1, and the through groove 5 provides a guiding space for water vapor.
Specifically, air outlet 6 is fixed connection in the both sides of blade 1 respectively, and installation shell 7 swing joint is in the preceding terminal surface that leads to groove 5.
In this embodiment, the steam in the through groove 5 is discharged through the air outlet 6, and the mounting case 7 provides a mounting position for the filter screen 9.
Specifically, the fixing frames 8 are respectively fixedly connected to two sides of the mounting shell 7, and the filter screen 9 is fixedly connected to the front end face of the mounting shell 7.
In this embodiment, the mounting case 7 is connected to the blade body 1 by the fixing frame 8, and the filter screen 9 filters impurities in the water vapor.
Specifically, the inner hole 13 is fixedly connected to the front end surface of the filter screen 9 and the inner side surface of the blade body 1, respectively, and the rubber sleeve 14 is fixedly connected to the inner side surface of the inner hole 13.
In this embodiment, the inner hole 13 provides a mounting position for the gold, and the rubber sleeve 14 clamps the gold in the inner hole 13.
Specifically, the frosting layer 15 is fixedly connected to the inner side surface of the rubber sleeve 14, and the blade root 10 is fixedly connected to the lower end surface of the blade body 1.
In this embodiment, the frosted layer 15 increases the friction between the rubber sleeve 14 and the gold, and the blade root 10 fixes the blade body 1 to the impeller.
Specifically, the protective layer 12 is fixedly connected to the front end surface of the blade root 10, and the second reinforcing rib 11 is fixedly connected to the front end surface of the protective layer 12.
In this embodiment, the protective layer 12 protects the blade root 10, and the second reinforcing rib 11 reinforces the connection between the blade root 10 and the blade body 1.
The utility model discloses a theory of operation and use flow: when a user welds the metal, the metal is firstly placed in the inner hole 13, the rubber sleeve 14 fixes the metal in the inner hole 13, the metal is prevented from shaking when the user welds the metal, welding work of the user is facilitated, when the device is used, the blade root 10 is fixed on the impeller, the impeller is started again, the blade body 1 is rotated, when vapor passes through the blade body 1, the filter screen 9 filters impurities in the vapor, the corrosion of the impurities on the blade body 1 is avoided, the service life of the blade body 1 is ensured not to be influenced, then the vapor enters the through groove 5 and is discharged out of the device from the air outlet 6, the impact force on the blade body 1 is reduced, when the filter screen 9 is cleaned, the fixing frame 8 is rotated and the mounting shell 7 is taken down, then the filter screen 9 is cleaned, and the mounting shell 7 is mounted at an initial position after the cleaning is finished, and then the rotary fixing frame 8 is fixed on the blade body 1 by the mounting shell 7, so that convenience is provided for the next use of the user.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti erosion high reliability regulation stage blade of steam turbine, includes blade body (1), its characterized in that: the upper end face of the blade body (1) is provided with a blade crown (2), the front end face of the blade crown (2) is provided with rough lines (4), the front end face of the rough lines (4) is provided with a first reinforcing rib (3), the front end face of the blade body (1) is provided with a through groove (5), air outlets (6) are arranged on two sides of the blade body (1), an installation shell (7) is arranged on the front end face of the through groove (5), fixing frames (8) are arranged on two sides of the installation shell (7), a filter screen (9) is arranged on the front end face of the installation shell (7), inner holes (13) are arranged on the front end face of the filter screen (9) and the inner side face of the blade body (1), a rubber sleeve (14) is arranged on the inner side face of the inner holes (13), a frosted layer (15) is arranged on the inner side face of the rubber sleeve (14), and a blade root (, the blade is characterized in that a protective layer (12) is arranged on the front end face of the blade root (10), and a second reinforcing rib (11) is arranged on the front end face of the protective layer (12).
2. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the blade crown (2) is fixedly connected to the upper end face of the blade body (1), and the coarse grains (4) are fixedly connected to the front end face of the blade crown (2).
3. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the first reinforcing rib (3) is fixedly connected to the front end face of the rough texture (4), and the through groove (5) is fixedly connected to the front end face of the blade body (1).
4. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the air outlets (6) are respectively fixedly connected to two sides of the blade body (1), and the mounting shell (7) is movably connected to the front end face of the through groove (5).
5. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the fixing frame (8) is fixedly connected to two sides of the mounting shell (7) respectively, and the filter screen (9) is fixedly connected to the front end face of the mounting shell (7).
6. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: inner hole (13) fixed connection respectively in the preceding terminal surface of filter screen (9) and the medial surface of blade (1), rubber sleeve (14) fixed connection is in the medial surface of inner hole (13).
7. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the frosting layer (15) is fixedly connected to the inner side face of the rubber sleeve (14), and the blade root (10) is fixedly connected to the lower end face of the blade body (1).
8. The turbine anti-erosion high reliability tuned stage blade according to claim 1, wherein: the protective layer (12) is fixedly connected to the front end face of the blade root (10), and the second reinforcing ribs (11) are fixedly connected to the front end face of the protective layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789328.7U CN212272311U (en) | 2020-05-13 | 2020-05-13 | Anti-erosion high-reliability regulating-stage blade of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789328.7U CN212272311U (en) | 2020-05-13 | 2020-05-13 | Anti-erosion high-reliability regulating-stage blade of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212272311U true CN212272311U (en) | 2021-01-01 |
Family
ID=73878180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020789328.7U Expired - Fee Related CN212272311U (en) | 2020-05-13 | 2020-05-13 | Anti-erosion high-reliability regulating-stage blade of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212272311U (en) |
-
2020
- 2020-05-13 CN CN202020789328.7U patent/CN212272311U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |