CN211549784U - Steam turbine device of detachable stationary blade retaining ring - Google Patents
Steam turbine device of detachable stationary blade retaining ring Download PDFInfo
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- CN211549784U CN211549784U CN202020124015.XU CN202020124015U CN211549784U CN 211549784 U CN211549784 U CN 211549784U CN 202020124015 U CN202020124015 U CN 202020124015U CN 211549784 U CN211549784 U CN 211549784U
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- stationary blade
- block
- connecting block
- retaining ring
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Abstract
The utility model discloses a steam turbine device of a detachable stationary blade retaining ring, the structure of which comprises a stationary blade retaining ring block, an air inlet, a sealing connecting block, a cylinder connecting block and a fixed transverse plate, the steam turbine device of the detachable stationary blade retaining ring can directly rotate a stationary blade ring below the stationary blade retaining ring through a tool by fixedly installing the cylinder connecting block on a cylinder on a steam turbine when being used for a period of time, such as the phenomenon that radial steam seal teeth in the steam turbine are damaged, thereby leading the stationary blade ring to be screwed out from an embedded groove on the stationary blade retaining ring, dismounting the stationary blade ring, displaying the radial steam seal teeth at the rear part of the stationary blade ring, dismounting the radial steam seal teeth at the moment, finally re-embedding the stationary blade ring on the embedded groove on the stationary blade retaining ring, through improving the structure of equipment, leading the equipment to firstly screw out the stationary blade ring when the steam seal teeth need to be replaced, the radial steam seal teeth can be conveniently replaced.
Description
Technical Field
The utility model relates to a steam turbine device of detachable quiet leaf retainer ring belongs to quiet leaf retainer ring technical field.
Background
The steam turbine device of the stationary blade holding ring is a firmware connected with a steam turbine cylinder, a plurality of stationary blade ring blades are arranged on one stationary blade holding ring, and the main function is to fix the annular part of the stationary blade ring, but the prior art still has the following defects:
with the development of the steam turbine towards miniaturization and high efficiency, steam turbine manufacturers adopt a static blade retaining ring structure in order to reduce the manufacturing cost, but the structure has a defect that once a radial steam seal is damaged, the radial steam seal is difficult to replace because the inter-stage distance in the static blade retaining ring is too small.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a steam turbine device of detachable quiet leaf holding ring to the prior art of solution is along with the steam turbine to miniaturization, high efficiency direction development, and the steam turbine producer has all adopted quiet leaf holding ring structure for reducing manufacturing cost, but this kind of structure has a shortcoming, because quiet leaf holding ring interstage distance is too little, radial vapor seal in case damage the problem that will hardly change.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a steam turbine device of a detachable stationary blade retaining ring structurally comprises a stationary blade retaining ring block, an air inlet, a sealing connecting block, an air cylinder connecting block body and a fixed transverse plate, wherein the top end of the air inlet and the air cylinder connecting block body is of an integrated structure, the bottom end of the air cylinder connecting block body is provided with the fixed transverse plate, the stationary blade retaining ring block comprises a radial steam seal tooth, an embedding pin groove, a fixed top block, a stationary blade retaining ring, a stationary blade ring, a through hole, a buffer block, a ring barrel and a spacer block, the radial steam seal tooth is embedded and installed on the stationary blade retaining ring, the embedding pin groove and the fixed top block are of an integrated structure, the fixed top block is arranged on the top end of the stationary blade retaining ring, the stationary blade ring is embedded and installed on the bottom of the stationary blade retaining ring, the middle part of the stationary blade ring is provided with the ring barrel, the ring barrel and the through hole are of an integrated structure, the rear end of the static blade holding ring is welded with the middle part of the front end of the sealing connecting block.
Furthermore, the sealing connecting block and the fixed transverse plate are of an integrated structure.
Further, the cylinder connection block is located to the right of the stationary vane ring block.
Furthermore, the through hole is of a round hole structure with the bottom inclined upwards.
Furthermore, the rear end of the static blade ring block is welded with the middle part of the front end of the sealing connecting block.
Furthermore, the static blade holding ring is of a semicircular ring structure, and the radian of the static blade holding ring is the same as that of the outer ring of the static blade ring.
Further, the stator blade carrier ring and the stator blade ring are perpendicular to each other in cross section.
Advantageous effects
The utility model relates to a steam turbine device of detachable quiet leaf retaining ring, use on the cylinder through connecting block fixed mounting on the steam turbine with the cylinder, after using a period, radial steam seal tooth phenomenon of damage takes place for example in it, can directly rotate the quiet leaf ring on quiet leaf retaining ring below through the instrument, thereby make quiet leaf ring revolve out from the embedded groove on quiet leaf retaining ring, can dismantle quiet leaf ring, show the radial steam seal tooth at quiet leaf ring rear, can dismantle radial steam seal tooth this moment, it can on the embedded groove on quiet leaf retaining ring to imbed quiet leaf ring again at last, structure through the improve equipment, make equipment revolve out quiet leaf ring earlier when needing to change the steam seal tooth, can carry out convenient the change to radial steam seal tooth.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a steam turbine apparatus with a detachable stationary blade carrier ring according to the present invention;
fig. 2 is a cross-sectional detail structure diagram of a front view of a stationary blade ring block of the present invention.
In the figure: the device comprises a stationary blade ring-holding block-1, an air inlet-2, a sealing connecting block-3, an air cylinder connecting block-4, a fixed transverse plate-5, radial steam seal teeth-11, an embedded pin groove-12, a fixed top block-13, a stationary blade ring-14, a stationary blade ring-15, a through hole-16, a buffer block-17, a ring barrel-18 and a spacer block-19.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the present invention provides a turbine device with a detachable stationary blade retaining ring, comprising: the structure of the device comprises a static blade holding ring block 1, an air inlet 2, a sealing connecting block 3, an air cylinder connecting block 4 and a fixing transverse plate 5, wherein the top end of the air inlet 2 and the air cylinder connecting block 4 is of an integrated structure, the bottom end of the air cylinder connecting block 4 is provided with the fixing transverse plate 5, the static blade holding ring block 1 comprises a radial steam seal tooth 11, an embedding pin groove 12, a fixing top block 13, a static blade holding ring 14, a static blade ring 15, a through hole 16, a buffer block 17, a ring barrel 18 and a spacer block 19, the radial steam seal tooth 11 is embedded and installed on the static blade holding ring 14, the embedding pin groove 12 and the fixing top block 13 are of an integrated structure, the fixing top block 13 is arranged on the top end of the static blade holding ring 14, the static blade ring 15 is embedded and installed on the bottom of the static blade holding ring 14, the middle part of the static blade ring 15 is provided with the ring barrel 18, the ring barrel 18 and the through hole, the spacer 19 is located the right-hand of through-hole 16, the rear end of quiet leaf holder ring 14 welds with the front end middle part of sealing connection piece 3 mutually, sealing connection piece 3 and fixed diaphragm 5 are integrated structure, cylinder connection block 4 is located quiet leaf holder ring piece 1 right-hand, through-hole 16 is the ascending round hole structure in bottom slant, the rear end of quiet leaf holder ring piece 1 welds with the front end middle part of sealing connection piece 3 mutually, quiet leaf holder ring 14 is the semicircle ring structure, and its radian is the same with the outer lane radian of quiet leaf ring 15, quiet leaf holder ring 14 is perpendicular to the cross section mutually of quiet leaf ring 15.
For example, when an installer uses the device, the cylinder connection block 4 is fixedly mounted on a cylinder of a steam turbine for use, after the device is used for a period of time, if the radial gland sealing teeth 11 in the device are damaged, the static blade ring 15 below the static blade holding ring 14 can be directly rotated by a tool, so that the static blade ring 15 is rotated out of the embedded groove on the static blade holding ring 14, the static blade ring 15 can be detached, the radial gland sealing teeth 11 behind the static blade ring 15 are displayed, the radial gland sealing teeth 11 can be detached at the moment, and finally the static blade ring 15 is re-embedded in the embedded groove on the static blade holding ring 14.
The utility model solves the problems that the prior art adopts a static blade retaining ring structure for reducing the manufacturing cost along with the development of the steam turbine towards miniaturization and high efficiency, but the structure has a defect, and the problem that the radial steam seal is difficult to replace once damaged due to too small inter-stage distance in the static blade retaining ring, through the mutual combination of the components, the static blade ring 15 below the static blade retaining ring 14 can be directly rotated by a tool through fixedly mounting the cylinder connecting block 4 on the cylinder on the steam turbine, so that the static blade ring 15 can be rotated out from the embedded groove on the static blade retaining ring 14 after a period of use, such as the phenomenon that the radial steam seal tooth 11 in the cylinder is damaged, the static blade ring 15 can be disassembled, the radial steam seal tooth 11 behind the static blade ring 15 is displayed, and the radial steam seal tooth 11 can be disassembled at the moment, finally, the stationary blade ring 15 is embedded into the embedded groove in the stationary blade holding ring 14 again, and the structure of the equipment is improved, so that the stationary blade ring is firstly screwed out when the steam seal teeth need to be replaced, and the radial steam seal teeth can be conveniently replaced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a steam turbine device of detachable quiet leaf holder ring, its structure includes quiet leaf holder ring piece (1), air inlet (2), sealing connection piece (3), cylinder connection block body (4), fixed diaphragm (5), its characterized in that:
the rear end of the stationary blade holding ring block (1) is welded with the middle part of the front end of the sealing connecting block (3), the air inlet (2) and the top end of the air cylinder connecting block (4) are of an integrated structure, a fixed transverse plate (5) is arranged at the bottom end of the air cylinder connecting block (4), the stationary blade holding ring block (1) comprises radial steam seal teeth (11), embedding pin grooves (12), a fixed top block (13), a stationary blade holding ring (14), a stationary blade ring (15), a through hole (16), a buffer block (17), a ring barrel (18) and a spacer block (19), the radial steam seal teeth (11) are embedded and installed on the stationary blade holding ring (14), the embedding pin grooves (12) and the fixed top block (13) are of an integrated structure, the fixed top block (13) is arranged at the top end of the stationary blade holding ring (14), the stationary blade ring (15) is embedded and installed at the bottom of the stationary blade holding ring (14), the middle part of quiet leaf ring (15) is equipped with a ring section of thick bamboo (18), a ring section of thick bamboo (18) and through-hole (16) are integrated structure, buffer block (17) encircle to be installed on a ring section of thick bamboo (18), spacer block (19) are located the right-hand of through-hole (16), the rear end of quiet leaf holding ring (14) and the front end middle part of sealing connection piece (3) weld mutually.
2. The turbine installation of a removable stationary blade carrier ring according to claim 1, characterized in that: the sealing connecting block (3) and the fixed transverse plate (5) are of an integrated structure, and the cylinder connecting block body (4) is located on the right of the stationary blade ring block (1).
3. The turbine installation of a removable stationary blade carrier ring according to claim 1, characterized in that: the through hole (16) is of a round hole structure with the bottom inclined upwards.
4. The turbine installation of a removable stationary blade carrier ring according to claim 1, characterized in that: the stationary blade carrier ring (14) and the stationary blade ring (15) are perpendicular to each other in cross section.
5. The turbine installation of a removable stationary blade carrier ring according to claim 1, characterized in that: the static blade holding ring (14) is of a semicircular ring structure, and the radian of the static blade holding ring is the same as that of the outer ring of the static blade ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124015.XU CN211549784U (en) | 2020-01-19 | 2020-01-19 | Steam turbine device of detachable stationary blade retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124015.XU CN211549784U (en) | 2020-01-19 | 2020-01-19 | Steam turbine device of detachable stationary blade retaining ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549784U true CN211549784U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020124015.XU Active CN211549784U (en) | 2020-01-19 | 2020-01-19 | Steam turbine device of detachable stationary blade retaining ring |
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| CN (1) | CN211549784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135348A (en) * | 2021-11-11 | 2022-03-04 | 河北国源电气股份有限公司 | Adjustable integrated holding ring for steam turbine |
-
2020
- 2020-01-19 CN CN202020124015.XU patent/CN211549784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135348A (en) * | 2021-11-11 | 2022-03-04 | 河北国源电气股份有限公司 | Adjustable integrated holding ring for steam turbine |
| CN114135348B (en) * | 2021-11-11 | 2024-01-19 | 河北国源电气股份有限公司 | Adjustable integrated type holding ring for steam turbine |
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