CN114542211A - Integrated structure of steam turbine pressure-inducing device and field dynamic balance device - Google Patents
Integrated structure of steam turbine pressure-inducing device and field dynamic balance device Download PDFInfo
- Publication number
- CN114542211A CN114542211A CN202210229952.5A CN202210229952A CN114542211A CN 114542211 A CN114542211 A CN 114542211A CN 202210229952 A CN202210229952 A CN 202210229952A CN 114542211 A CN114542211 A CN 114542211A
- Authority
- CN
- China
- Prior art keywords
- dynamic balance
- steam turbine
- seal cover
- integrated structure
- sealing cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
Abstract
The invention aims to provide an integrated structure of a steam turbine pressure guiding device and an on-site dynamic balance device, which comprises an outer cylinder, a seal cover and bolts, wherein the outer cylinder is provided with dynamic balance holes, the seal cover is arranged outside the dynamic balance holes through the bolts, the center of the seal cover is provided with a fine threaded hole, and the seal cover is connected with the pressure measuring device. The invention effectively reduces the number of the through cylinder and the open hole, is convenient to disassemble and assemble, has no mutual influence of the two functions, ensures simple and convenient operation, is safe and reliable while reducing the steam leakage loss, improves the economic performance of the steam turbine, and has practicability.
Description
Technical Field
The invention relates to a steam turbine, in particular to an outer cylinder of the steam turbine.
Background
Vibration is an important index for evaluating the safety and reliability of the steam turbine generator unit, a large part of vibration problems are caused by unbalanced shafting mass, and on-site dynamic balance is a main means for eliminating the unit vibration. In the design, holes are generally formed from the outside of the cylinder to the rotor direction so as to perform dynamic balance adjustment.
The steam turbine is necessary to monitor the pressure inside the equipment during the scientific research and test stage and after the equipment is put into use, but when the equipment is compact or has certain limitations, especially when the steam pressure is large, it becomes very important to reduce the number of openings on the cylinder so as to reduce the leakage of high-quality steam.
The pressure guide hole and the field dynamic balance hole are cylinder holes used in different stages of the unit, so that the functions of the pressure guide hole and the field dynamic balance hole cannot influence or interfere with each other after integration, the pressure guide device and the field dynamic balance device are designed in an integrated mode, steam leakage loss can be effectively reduced, and the device is of great economic significance for long-term running units, particularly high-parameter units such as supercritical units, ultra-supercritical units and other units with high efficiency.
Disclosure of Invention
The invention aims to provide an integrated structure of a pressure guiding device and a field dynamic balance device of a steam turbine, which reduces cylinder openings, has a compact structure, and is safe and economical.
The purpose of the invention is realized as follows:
the invention relates to an integrated structure of a pressure guiding device and a field dynamic balance device of a steam turbine, which is characterized in that: the pressure measuring device comprises an outer cylinder, a sealing cover and a bolt, wherein a dynamic balance hole is formed in the outer cylinder, the sealing cover is installed outside the dynamic balance hole through the bolt, a fine threaded hole is formed in the center of the sealing cover, and the sealing cover is connected with a pressure measuring device.
The invention has the advantages that: the invention effectively reduces the number of the holes for penetrating the cylinder, is convenient to disassemble and assemble, ensures simple and convenient operation, is safe and reliable, improves the economic performance of the steam turbine and has practicability while reducing the steam leakage loss, and the two functions are not influenced mutually.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:
with reference to fig. 1, the embodiment of the invention provides an integrated design structure of a pressure guiding device and a field dynamic balance device, so that the number of cylinder penetrating holes is effectively reduced, and the performance of a unit is improved. The pressure measuring device comprises a sealing cover 1, a fastening bolt 2 and an outer cylinder 3, wherein a fine thread hole is formed in the center of the sealing cover 1 and matched with a pressure guiding and measuring device. When the field dynamic balance is carried out, the sealing cover 1 is detached for adjustment operation, the bolt 2 on the sealing cover 1 can be screwed down after the adjustment operation is finished, and the pressure measuring device is installed for pressure test of various working conditions, so that the integrated design of the pressure guiding device and the field dynamic balance device is realized.
Claims (1)
1. The utility model provides a steam turbine draws pressure equipment and on-spot dynamic balance device's integral structure, characterized by: the pressure measuring device comprises an outer cylinder, a sealing cover and a bolt, wherein a dynamic balance hole is formed in the outer cylinder, the sealing cover is installed outside the dynamic balance hole through the bolt, a fine threaded hole is formed in the center of the sealing cover, and the sealing cover is connected with a pressure measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229952.5A CN114542211A (en) | 2022-03-09 | 2022-03-09 | Integrated structure of steam turbine pressure-inducing device and field dynamic balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229952.5A CN114542211A (en) | 2022-03-09 | 2022-03-09 | Integrated structure of steam turbine pressure-inducing device and field dynamic balance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114542211A true CN114542211A (en) | 2022-05-27 |
Family
ID=81663082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210229952.5A Pending CN114542211A (en) | 2022-03-09 | 2022-03-09 | Integrated structure of steam turbine pressure-inducing device and field dynamic balance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542211A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522260A1 (en) * | 1975-05-20 | 1976-12-02 | Hofmann Maschf Geb | DEVICE FOR BALANCING MACHINES FOR CLAMPING AND CENTERING AXLESS ROTATING BODIES |
| DE4403660A1 (en) * | 1993-04-10 | 1994-10-13 | Bosch Gmbh Robert | Pressure sleeve |
| US5631426A (en) * | 1995-08-28 | 1997-05-20 | The Goodyear Tire & Rubber Company | Sensors for vibration detection |
| JP2000035361A (en) * | 1998-07-03 | 2000-02-02 | Schenck Rotec Gmbh | Method and apparatus for mounting of sensor |
| CN205506569U (en) * | 2016-03-17 | 2016-08-24 | 苏州海陆重工股份有限公司 | Boiler pressure container welding mouthful pressure measurement frock |
| CN106289644A (en) * | 2016-10-08 | 2017-01-04 | 东方电气集团东方汽轮机有限公司 | A kind of Steam Turbine Field dynamic balancing lane device |
| CN110954266A (en) * | 2019-12-18 | 2020-04-03 | 陈知行 | Debugging channel for dynamic balance detection of steam turbine and use method thereof |
| CN113790085A (en) * | 2021-08-31 | 2021-12-14 | 中国船舶重工集团公司第七0三研究所 | On-site dynamic balance structure of marine steam turbine rotor |
-
2022
- 2022-03-09 CN CN202210229952.5A patent/CN114542211A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522260A1 (en) * | 1975-05-20 | 1976-12-02 | Hofmann Maschf Geb | DEVICE FOR BALANCING MACHINES FOR CLAMPING AND CENTERING AXLESS ROTATING BODIES |
| DE4403660A1 (en) * | 1993-04-10 | 1994-10-13 | Bosch Gmbh Robert | Pressure sleeve |
| US5631426A (en) * | 1995-08-28 | 1997-05-20 | The Goodyear Tire & Rubber Company | Sensors for vibration detection |
| JP2000035361A (en) * | 1998-07-03 | 2000-02-02 | Schenck Rotec Gmbh | Method and apparatus for mounting of sensor |
| CN205506569U (en) * | 2016-03-17 | 2016-08-24 | 苏州海陆重工股份有限公司 | Boiler pressure container welding mouthful pressure measurement frock |
| CN106289644A (en) * | 2016-10-08 | 2017-01-04 | 东方电气集团东方汽轮机有限公司 | A kind of Steam Turbine Field dynamic balancing lane device |
| CN110954266A (en) * | 2019-12-18 | 2020-04-03 | 陈知行 | Debugging channel for dynamic balance detection of steam turbine and use method thereof |
| CN113790085A (en) * | 2021-08-31 | 2021-12-14 | 中国船舶重工集团公司第七0三研究所 | On-site dynamic balance structure of marine steam turbine rotor |
Non-Patent Citations (1)
| Title |
|---|
| 张涛;: "聚酯装置缩聚系统平稳运行分析", 广州化工, no. 03 * |
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