CN219974575U - High-speed centripetal turbine generator set - Google Patents
High-speed centripetal turbine generator set Download PDFInfo
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- CN219974575U CN219974575U CN202321093117.XU CN202321093117U CN219974575U CN 219974575 U CN219974575 U CN 219974575U CN 202321093117 U CN202321093117 U CN 202321093117U CN 219974575 U CN219974575 U CN 219974575U
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- 230000009467 reduction Effects 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a high-speed centripetal turbine generator set, which comprises a steam turbine with a cantilever structure, wherein one end of the steam turbine is arranged on a reduction gearbox, and the output end of the reduction gearbox is connected with a generator; one end of the steam turbine is connected with a steam pipeline, a main steam valve is arranged on the steam pipeline, and a regulating valve is arranged on one side of the main steam valve; the other end of the steam turbine is connected with a steam exhaust pipeline; one side of the steam turbine is communicated with a drainage expansion vessel, one end of the drainage expansion vessel is connected with a shaft seal fan, and one end of the shaft seal fan is provided with a first pair of air exhaust ports. This high-speed centripetal turbine generator set adopts cantilever type structure directly to be connected with the reducing gear box terminal surface, saves the bearing system that traditional set up, reduce cost, through reducing gear box internal balance formula subassembly, improves driven stationarity, improves the holistic heat dispersion of reducing gear box through radiating component to improve holistic reducing gear box's life and availability factor.
Description
Technical Field
The utility model relates to the technical field of generator sets, in particular to a high-speed centripetal turbine generator set.
Background
With the continuous progress of society, high-speed centripetal turbine generator sets are rapidly developed in the power generation industry. The high-speed centripetal turbine generator set is mainly used for generating electricity by waste heat, the waste heat generates steam, the steam drives the centripetal turbine, and the centripetal turbine drives the generator to generate electricity through the reduction gearbox. The rotating speed of the high-speed centripetal turbine generator set can reach 23000rpm in the normal use process, the shaft power exceeds 2300kw, and the generator set needs to be provided with a corresponding reduction gearbox under the high rotating speed and the shaft power so as to achieve the purpose of reducing the speed and generating electricity; the variety of the reduction gearbox used in the current market is many, different specifications are widely applied to different places, and the daily use requirements of people can be met, but the abrasion degree of the driving gear in the reduction gearbox is found to be large in the long-time use process, the transmission stability is greatly influenced after long-time use, and large friction heat generated by long-time operation in the reduction gearbox cannot be rapidly discharged; bearing systems are usually arranged between the turbine and the reduction gearbox for smooth transmission, so that the transmission stability is guaranteed, but the cost is increased for maintenance of the turbine and the reduction gearbox; and no effective improvement is made on the reduction gearbox.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problems in the prior art, the high-speed centripetal turbine generator set adopts a cantilever structure to be directly connected with the end face of the reduction gearbox, so that a bearing system which is arranged conventionally is omitted, the cost is reduced, the transmission stability is improved through a reduction gearbox internal balance type component, the overall heat dissipation performance of the reduction gearbox is improved through a heat dissipation component, and the service life and the service efficiency of the overall reduction gearbox are improved.
The technical scheme adopted for solving the technical problems is as follows: a high-speed centripetal turbine generator set comprises a steam turbine with a cantilever structure, wherein one end of the steam turbine is arranged on a reduction gearbox, and the output end of the reduction gearbox is connected with a generator; one end of the steam turbine is connected with a steam pipeline, a main steam valve is arranged on the steam pipeline, and a regulating valve is arranged on one side of the main steam valve; the other end of the steam turbine is connected with a steam exhaust pipeline; one side of the steam turbine is communicated with a drainage expansion vessel, one end of the drainage expansion vessel is connected with a shaft seal fan, and one end of the shaft seal fan is provided with a first pair of air exhaust ports.
Further, in the above technical scheme, a temperature and pressure reducer is further connected between the steam pipeline and the steam exhaust pipeline, one end of the temperature and pressure reducer is connected with the first stop valve, and the other end of the temperature and pressure reducer is connected with the electric stop valve.
Further, in the above technical scheme, a second stop valve is further arranged on a pipeline, which is communicated with the drainage expander, of the steam turbine, and the lower ends of the second stop valves are connected and discharged into a trench.
Further, in the above technical solution, the upper end of the hydrophobic diffusion vessel is further provided with a second pair of air exhaust ports.
Further, in the above technical scheme, one side of the shaft seal fan is connected with the shaft seal heater, and one end of the shaft seal heater is connected with the first cooling water pipeline through the gate valve.
Further, in the above technical solution, one end of the generator is connected to the second cooling water pipe.
Further, in the above technical scheme, steam seal pipes are further arranged at two ends of the steam turbine.
Further, in the above technical scheme, the reduction gearbox comprises a box body, wherein a driving motor is vertically arranged at one side of the box body, an output end of the driving motor penetrates through one side of the box body to be connected with a driving gear, a balance component is arranged at the upper part of the driving gear, and a transmission component is arranged at the lower part of the driving gear; the balance assembly comprises a first balance shaft, a first driven gear, a second balance shaft and a second driven gear; the first balance shaft and the second balance shaft are arranged in parallel up and down, the driving gear is meshed with the first driven gear, a first excessive gear is fixedly arranged on one side of the first driven gear, and the first excessive gear is meshed with the second driven gear.
Further, in the above technical solution, a heat dissipation assembly is disposed on the inner wall of the case, and the heat dissipation assembly includes a heat dissipation fan and a heat dissipation window; the cooling fan is fixedly arranged on the inner wall of the box body, and the cooling fan faces the driving gear; the heat dissipation windows are uniformly arranged on the side walls of the box body.
Further, in the above technical solution, the transmission assembly includes a first transmission shaft, a second transmission shaft, a third driven gear, a fourth driven gear, and an output shaft; the first transmission shaft and the second transmission shaft are arranged in parallel up and down, one side of the driving gear is meshed with the third driven gear, the third driven gear is fixedly arranged on the first transmission shaft, one side of the third driven gear is provided with the second excessive gear, one side of the second excessive gear is meshed with the fourth driven gear, and one end of the second transmission shaft penetrates out of the box body and then is connected with the output shaft.
The beneficial effects of the utility model are as follows: the high-speed centripetal turbine generator set provided by the utility model adopts the cantilever structure to be directly connected with the end face of the reduction gearbox, so that a bearing system arranged in the prior art is omitted, the cost is reduced, the transmission stability is improved through the internal balance type assembly of the reduction gearbox, and the integral heat dissipation performance of the reduction gearbox is improved through the heat dissipation assembly, so that the service life and the service efficiency of the integral reduction gearbox are improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic illustration of the connection of the present utility model;
fig. 2 is a schematic diagram of the internal structure of the transmission of fig. 1.
The reference numerals in the drawings are: 1. the steam turbine, 2, the reduction gearbox, 3, the generator, 4, the steam pipeline, 5, the main steam valve, 6, the regulating valve, 7, the steam exhaust pipeline, 8, the drainage expander, 9, the shaft seal fan, 10, the first air outlet, 11, the temperature and pressure reducing device, 12, the first stop valve, 14, the electric stop valve, 15, the second stop valve, 16, the discharge trench, 17, the second air outlet, 18, the shaft seal heater, 19, the gate valve, 20, the first cooling water pipeline, 21, the second cooling water pipeline, 22, the steam seal pipeline, 23, the box, 24, the driving motor, 25, the driving gear, 26, the first balance shaft, 27, the first driven gear, 28, the second balance shaft, 29, the second driven gear, 30, the first excessive gear, 31, the heat dissipation fan, 32, the heat dissipation window, 33, the first transmission shaft, 34, the second transmission shaft, 35, the third driven gear, 36, the fourth driven gear, 37, the output shaft, 38 and the second excessive gear.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the utility model, the steam turbine 1, the generator 3, the driving motor 24, the first stop valve 12, the electric stop valve 14, the second stop valve 15, the shaft seal heater 18, the shaft seal fan 9 and the like are all matched and installed for use after being purchased directly from the market according to specific models. Arrows on the diagram of fig. 1 indicate the direction of the steam or water flow.
The high-speed centripetal turbine generator set is shown in fig. 1 and 2, and comprises a steam turbine 1 with a cantilever structure, wherein one end of the steam turbine 1 is arranged on a reduction gearbox 2, and the output end of the reduction gearbox 2 is connected with a generator 3; one end of the steam turbine 1 is connected with a steam pipeline 4, a main steam valve 5 is arranged on the steam pipeline 4, and one side of the main steam valve 5 is provided with a regulating valve 6; the other end of the steam turbine 1 is connected with a steam exhaust pipeline 7; one side of the steam turbine 1 is communicated with a drainage expander 8, one end of the drainage expander 8 is connected with a shaft seal fan 9, and one end of the shaft seal fan 9 is provided with a first pair of air exhaust ports 10.
The steam pipeline 4 and the steam exhaust pipeline 7 are also connected with a temperature and pressure reducer 11, one end of the temperature and pressure reducer 11 is connected with a first stop valve 12, and the other end of the temperature and pressure reducer 11 is connected with an electric stop valve 14. The pipeline of the steam turbine 1 communicated with the drainage expander 8 is also provided with a second stop valve 15, and the lower ends of the second stop valves 15 are connected and discharged into a trench 16. The upper end of the hydrophobic diffusion vessel 8 is also provided with a second pair of air exhaust ports 17. One side of the shaft seal fan 9 is connected with a shaft seal heater 18, and one end of the shaft seal heater 18 is connected with a first cooling water pipeline 20 through a gate valve 19. One end of the generator 3 is connected to a second cooling water pipe 21. Steam seal pipelines 22 are also arranged at two ends of the steam turbine 1. The reduction gearbox 2 comprises a box body 23, a driving motor 24 is vertically arranged on one side of the box body 23, an output end of the driving motor 24 penetrates through one side of the box body 1 and is connected with a driving gear 25, a balance component is arranged on the upper portion of the driving gear 25, and a transmission component is arranged on the lower portion of the driving gear 25; the balance assembly comprises a first balance shaft 26, a first driven gear 27, a second balance shaft 28 and a second driven gear 29; the first balance shaft 26 and the second balance shaft 28 are arranged up and down in parallel, the driving gear 25 is connected with the first driven gear 27 in a meshed manner, a first excessive gear 30 is fixedly arranged on one side of the first driven gear 27, and the first excessive gear 30 is connected with the second driven gear 29 in a meshed manner. A heat radiation component is arranged on the inner wall of the box body 23 and comprises a heat radiation fan 31 and a heat radiation window 32; the cooling fan 31 is fixedly arranged on the inner wall of the box body 23, and the cooling fan 31 is opposite to the driving gear 25; the heat dissipation windows 32 are uniformly provided on the respective sidewalls of the case 23. The transmission assembly comprises a first transmission shaft 33, a second transmission shaft 34, a third driven gear 35, a fourth driven gear 36 and an output shaft 37; the first transmission shaft 33 and the second transmission shaft 34 are arranged up and down in parallel, one side of the driving gear 25 is meshed with the third driven gear 35, the third driven gear 35 is fixedly arranged on the first transmission shaft 33, one side of the third driven gear 35 is provided with the second excessive gear 38, one side of the second excessive gear 38 is meshed with the fourth driven gear 36, and one end of the second transmission shaft 34 penetrates out of the box body 23 and then is connected with the output shaft 37.
Compared with the traditional high-speed centripetal turbine generator set, the utility model has the following advantages: the balance component is adopted in the gearbox 2 for balance setting, so that the uniform stress of the driving gear 25 in the rotation process can be ensured, the problem of uneven stress and damage caused by a traditional unilateral structure is avoided, and the transmission stability of the driving gear 25 can be ensured; a heat dissipation assembly is further arranged in the reduction gearbox 2, and the temperature in the gearbox body 23 can be rapidly discharged through the heat dissipation assembly, so that the running stability of the integral reduction gearbox 2 is improved; the steam turbine 1 adopts a cantilever structure to be directly arranged on the output shaft 37 of the reduction gearbox 2, so that a bearing system arranged in the middle of the traditional steam turbine is omitted, the cost is reduced, and the overall use efficiency is improved.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The utility model provides a high-speed centripetal turbine generator set which characterized in that: the device comprises a steam turbine with a cantilever structure, wherein one end of the steam turbine is arranged on a reduction gearbox, and the output end of the reduction gearbox is connected with a generator; one end of the steam turbine is connected with a steam pipeline, a main steam valve is arranged on the steam pipeline, and a regulating valve is arranged on one side of the main steam valve; the other end of the steam turbine is connected with a steam exhaust pipeline; one side of the steam turbine is communicated with a drainage expansion vessel, one end of the drainage expansion vessel is connected with a shaft seal fan, and one end of the shaft seal fan is provided with a first pair of air exhaust ports.
2. A high-speed centripetal turbine-generator set according to claim 1, wherein: the steam pipeline and the steam exhaust pipeline are connected with a temperature and pressure reducer, one end of the temperature and pressure reducer is connected with a first stop valve, and the other end of the temperature and pressure reducer is connected with an electric stop valve.
3. A high-speed centripetal turbine-generator set according to claim 1, wherein: and a second stop valve is further arranged on a pipeline communicated with the drainage expander by the steam turbine, and the lower ends of the second stop valves are connected and discharged into a trench.
4. A high-speed centripetal turbine-generator set according to claim 1, wherein: the upper end of the drainage expansion vessel is also provided with a second pair of air exhaust ports.
5. A high-speed centripetal turbine-generator set according to claim 1, wherein: one side of the shaft seal fan is connected with a shaft seal heater, and one end of the shaft seal heater is connected with a first cooling water pipeline through a gate valve.
6. A high-speed centripetal turbine-generator set according to claim 1, wherein: one end of the generator is connected with a second cooling water pipeline.
7. A high-speed centripetal turbine-generator set according to claim 1, wherein: and steam seal pipelines are also arranged at the two ends of the steam turbine.
8. A high-speed centripetal turbine-generator set according to claim 1, wherein: the reduction gearbox comprises a box body, wherein a driving motor is vertically arranged on one side of the box body, the output end of the driving motor penetrates through one side of the box body to be connected with a driving gear, a balance assembly is arranged on the upper part of the driving gear, and a transmission assembly is arranged on the lower part of the driving gear; the balance assembly comprises a first balance shaft, a first driven gear, a second balance shaft and a second driven gear; the first balance shaft and the second balance shaft are arranged in parallel up and down, the driving gear is meshed with the first driven gear, a first excessive gear is fixedly arranged on one side of the first driven gear, and the first excessive gear is meshed with the second driven gear.
9. A high-speed centripetal turbine-generator set according to claim 8, wherein: the inner wall of the box body is provided with a heat dissipation assembly, and the heat dissipation assembly comprises a heat dissipation fan and a heat dissipation window; the cooling fan is fixedly arranged on the inner wall of the box body, and the cooling fan faces the driving gear; the heat dissipation windows are uniformly arranged on the side walls of the box body.
10. A high-speed centripetal turbine-generator set according to claim 8, wherein: the transmission assembly comprises a first transmission shaft, a second transmission shaft, a third driven gear, a fourth driven gear and an output shaft; the first transmission shaft and the second transmission shaft are arranged in parallel up and down, one side of the driving gear is meshed with the third driven gear, the third driven gear is fixedly arranged on the first transmission shaft, one side of the third driven gear is provided with the second excessive gear, one side of the second excessive gear is meshed with the fourth driven gear, and one end of the second transmission shaft penetrates out of the box body and then is connected with the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321093117.XU CN219974575U (en) | 2023-05-09 | 2023-05-09 | High-speed centripetal turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321093117.XU CN219974575U (en) | 2023-05-09 | 2023-05-09 | High-speed centripetal turbine generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974575U true CN219974575U (en) | 2023-11-07 |
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ID=88578083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321093117.XU Active CN219974575U (en) | 2023-05-09 | 2023-05-09 | High-speed centripetal turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974575U (en) |
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2023
- 2023-05-09 CN CN202321093117.XU patent/CN219974575U/en active Active
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