CN115306499A - Steam turbine generator system - Google Patents

Steam turbine generator system Download PDF

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Publication number
CN115306499A
CN115306499A CN202211015306.5A CN202211015306A CN115306499A CN 115306499 A CN115306499 A CN 115306499A CN 202211015306 A CN202211015306 A CN 202211015306A CN 115306499 A CN115306499 A CN 115306499A
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CN
China
Prior art keywords
pressure cylinder
steam
low pressure
low
cylinder
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Pending
Application number
CN202211015306.5A
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Chinese (zh)
Inventor
郑恒
余天堘
刘福东
刘鸿国
张重帅
余凌
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Guoneng Shenfu Shishi Power Generation Co ltd
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Guoneng Shenfu Shishi Power Generation Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Guoneng Shenfu Shishi Power Generation Co ltd filed Critical Guoneng Shenfu Shishi Power Generation Co ltd
Priority to CN202211015306.5A priority Critical patent/CN115306499A/en
Publication of CN115306499A publication Critical patent/CN115306499A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
    • 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
    • F01D13/00—Combinations of two or more machines or engines
    • F01D13/02—Working-fluid interconnection of machines or engines
    • 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
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/32—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or overcritical pressure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The utility model relates to a turbo generator system for with the boiler intercommunication in order to pass through the steam power generation that the boiler produced, turbo generator system is including setting up drive shaft, pneumatic cylinder and the generator on same operation layer, the pneumatic cylinder is equipped with a plurality ofly and a plurality ofly the pneumatic cylinder distributes in many in the drive shaft, every the drive shaft all is connected with the generator, it is a plurality of the pneumatic cylinder pass through steam conduit with the boiler is connected. According to the steam turbine generator system, the plurality of pneumatic cylinders are arranged to ensure the capacity of the steam turbine generator system, the plurality of pneumatic cylinders are distributed on the plurality of driving shafts, so that a shafting is shortened, the number of the cylinders is not required to be reduced, the stability of the shafting is improved, each driving shaft is connected with a generator, and the generating efficiency is higher; a plurality of pneumatic cylinders set up on same operation layer, practice thrift space and simple to operate.

Description

Steam turbine generator system
Technical Field
The disclosure relates to the technical field of thermal power generation, in particular to a steam turbine generator system.
Background
Although a large amount of new energy is built and connected to the grid at present, the wind power and the photoelectric power generation are affected by external conditions such as seasons, climate, wind power, day and night, cloudy and sunny conditions and the like, the fluctuation of the power supply capacity is large, and the contradiction exists between the power supply capacity and the electric energy which is pursued by a power grid and is safe, stable, reliable and adjustable, so that the coal power is still the main body of power supply structure and electric quantity supply, and the ultra-supercritical power generation technology which pursues larger capacity and higher parameters is the main development direction in order to further improve the heat efficiency of a generator set and reduce the energy consumption.
But be limited by turbo generator last stage blade length and exhaust area, because the blade length just need increase if exhaust area increases, the blade increases the back and receives the stress great easy fracture under too high rotational speed, so develop super large capacity unipolar turbo generator unit need increase the cylinder quantity, prolong the whole length of shafting, the shafting is longer easily to fracture under the circumstances that the torsion is great, has the shafting stability to become poor, technical bottlenecks such as design difficulty.
Disclosure of Invention
An object of the present disclosure is to provide a steam turbine generator system capable of solving the above-described technical problems.
In order to achieve the above object, the present disclosure provides a steam turbine generator system for communicate with a boiler to generate electricity through steam generated by the boiler, the steam turbine generator system includes a driving shaft, a plurality of pneumatic cylinders and a generator, which are disposed on the same operation layer, the pneumatic cylinders are disposed on a plurality of driving shafts, each of which is connected with the generator, and the pneumatic cylinders are connected with the boiler through a steam pipeline.
Optionally, the pneumatic cylinder comprises an ultra-high pressure cylinder, a high pressure cylinder, an intermediate pressure cylinder and a low pressure cylinder distributed on a plurality of the driving shafts, and the steam passes through the ultra-high pressure cylinder, the intermediate pressure cylinder and the low pressure cylinder in sequence through the steam pipeline to make full use of the steam.
Optionally, the steam pipeline includes a main steam pipeline, a primary reheating pipeline, a secondary reheating pipeline, and a medium-low pressure communicating pipe, the air inlet end of the ultra-high pressure cylinder is provided with the main steam pipeline for connecting with a superheating system of the boiler so as to allow superheated steam to enter the ultra-high pressure cylinder, the air outlet end of the ultra-high pressure cylinder is connected with the air inlet end of the high pressure cylinder through the primary reheating pipeline so as to allow primary reheating steam to enter the high pressure cylinder, the air outlet end of the high pressure cylinder is connected with the air inlet end of the medium pressure cylinder through the secondary reheating pipeline so as to allow secondary reheating steam to enter the medium pressure cylinder, and the air outlet end of the medium pressure cylinder is connected with the low pressure cylinder through the medium-low pressure communicating pipe.
Optionally, an air outlet end of the primary reheating pipeline is connected with the high-pressure cylinder through a primary reheating system of the boiler, and the secondary reheating pipeline is connected with the intermediate-pressure cylinder through a secondary reheating system of the boiler.
Optionally, the steam pipeline further includes a plurality of low-pressure communicating pipes, the plurality of intermediate pressure cylinders and the plurality of low-pressure cylinders are both connected to the high-pressure cylinder through the secondary reheat pipeline, and the low-pressure cylinder is connected to the intermediate pressure cylinder through the intermediate-pressure communicating pipe or connected to the low-pressure cylinder through the low-pressure communicating pipe.
Optionally, a plurality of said drive shafts are juxtaposed.
Optionally, the pneumatic cylinders on the plurality of driving shafts are arranged in a staggered mode at intervals so as to reduce the occupied space of the steam turbine generator system.
Optionally, the driving shaft is provided with two first driving shafts and two second driving shafts, the intermediate pressure cylinder is provided with two first intermediate pressure cylinders and two second intermediate pressure cylinders in parallel, the low pressure cylinder is provided with three first low pressure cylinders, three second low pressure cylinders and three third low pressure cylinders, the ultra-high pressure cylinder, the high pressure cylinder and the first low pressure cylinder are arranged on the first driving shaft at intervals, the first intermediate pressure cylinder, the second low pressure cylinder and the third low pressure cylinder are arranged on the second driving shaft at intervals, the second low pressure cylinder and the second intermediate pressure cylinder are connected through the intermediate pressure communicating pipe, and the second low pressure cylinder and the third low pressure cylinder and the first low pressure cylinder and the third low pressure cylinder are connected through the low pressure communicating pipe.
Optionally, the running layer has a height of 15m to 19m.
Optionally, the steam turbine generator system is an ultra supercritical steam turbine generator system.
Through the technical scheme, the plurality of pneumatic cylinders are arranged to ensure the capacity of the turbonator system, the plurality of pneumatic cylinders are distributed on the plurality of driving shafts, so that a shaft system is shortened, the number of the cylinders is not required to be reduced, the stability of the shaft system is improved, each driving shaft is connected with a generator, and the generating efficiency is higher; a plurality of pneumatic cylinders set up on same operation layer, practice thrift space and simple to operate.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a system connection diagram of a steam turbine generator system according to the present disclosure;
FIG. 2 is a top view of a steam turbine generator system according to the present disclosure;
FIG. 3 is a side sectional view of a steam turbine generator system according to the present disclosure;
FIG. 4 is a system connection diagram of a second embodiment of a steam turbine generator system according to the present disclosure;
FIG. 5 is a system connection diagram of a third embodiment of a steam turbine generator system according to the present disclosure;
fig. 6 is a system connection diagram of a fourth embodiment of a steam turbine generator system according to the present disclosure.
Description of the reference numerals
1. A pneumatic cylinder; 2. a steam line; 20. a main steam line; 21. a primary reheat pipeline; 22. a secondary reheat pipeline; 23. a medium-low pressure communicating pipe; 24. a low-pressure and low-pressure communicating pipe; 25. a tee joint; 26. a compensation device; 3. an ultra-high pressure cylinder; 4. a high pressure cylinder; 5. an intermediate pressure cylinder; 51. a first intermediate pressure cylinder; 52. a second intermediate pressure cylinder; 6. a low pressure cylinder; 61. a first low pressure cylinder; 62. a second low pressure cylinder; 63. a third low pressure cylinder; 7. a drive shaft; 71. a first drive shaft; 72. a second drive shaft; 8. a generator; 9. and (6) operating the layer.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, it should be noted that terms such as "first, second, third, etc. are used to distinguish one element from another, and have no order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
As shown in fig. 1-6, the present disclosure provides a steam turbine generator system for communicate with the boiler in order to generate electricity through the steam that the boiler produced, namely, burn fuel through the boiler and release heat, produce high temperature high pressure steam drive steam turbine and drive generator 8 and generate electricity, steam turbine generator system is including setting up drive shaft 7 on same operation layer 9, pneumatic cylinder 1 and generator 8, pneumatic cylinder 1 is equipped with a plurality of and a plurality of pneumatic cylinder 1 and distributes on many drive shafts 7, every drive shaft 7 all is connected with generator 8, a plurality of pneumatic cylinder 1 are connected with the boiler through steam conduit 2.
Through the technical scheme, the larger the capacity of the turbonator system is, the lower the energy consumption is, and the lower the cost is, under the same conditions, the capacity of the turbonator system is ensured by arranging the plurality of pneumatic cylinders 1, the plurality of pneumatic cylinders 1 are distributed on the plurality of driving shafts 7, so that a shafting is shortened, the number of the pneumatic cylinders 1 is not required to be reduced, the stability of the shafting is improved, each driving shaft 7 is connected with the generator 8, each driving shaft 7 can generate electricity through rotation, and the generating efficiency is higher; a plurality of pneumatic cylinders 1 set up on same operation layer 9, practice thrift space and simple to operate, and set up and daily patrolling and examining, the operation maintenance convenience of equipment on same operation layer 9.
As an alternative embodiment, as shown in fig. 1-3, the pneumatic cylinder 1 includes an ultra-high pressure cylinder 3, a high pressure cylinder 4, an intermediate pressure cylinder 5 and a low pressure cylinder 6 distributed on a plurality of driving shafts 7, the steam passes through the ultra-high pressure cylinder 3, the high pressure cylinder 4, the intermediate pressure cylinder 5 and the low pressure cylinder 6 in sequence through a steam pipeline 2 to make the steam fully utilized, that is, the steam generated by the same boiler passes through the pneumatic cylinder 1 distributed on the plurality of driving shafts 7 with high to low pressure in sequence to make the steam fully utilized, and the plurality of pneumatic cylinders 1 on the plurality of driving shafts 7 are communicated through the steam pipeline 2. Wherein the single cylinder power of the ultra-high pressure cylinder is 28.50MW, the steam inlet pressure is 31-35Mpa, and the air inlet temperature is 600-615 ℃; the single cylinder power of the high-pressure cylinder is 27.48MW, the steam inlet pressure is 8.5-11Mpa, and the air inlet temperature is 610-630 ℃; the single cylinder power of the intermediate pressure cylinder is 21.05MW, the steam inlet pressure is 3-5Mpa, and the air inlet temperature is 610-630 ℃; the single cylinder power of the low pressure cylinder is 12.31MW, the admission pressure is 0.3-0.6Mpa, and the inlet temperature is 300-320 ℃.
Alternatively, the steam pipeline 2 includes a main steam pipeline 20, a primary reheating pipeline 21, a secondary reheating pipeline 22 and a middle and low pressure communicating pipe 23, the air inlet end of the ultra-high pressure cylinder 3 is provided with the main steam pipeline 20 for connecting with the superheating system of the boiler to make the superheated steam enter the ultra-high pressure cylinder 3, the air outlet end thereof is connected with the air inlet end of the high pressure cylinder 4 through the primary reheating pipeline 21 to make the primary reheating steam enter the high pressure cylinder 4, the air outlet end of the high pressure cylinder 4 is connected with the air inlet end of the middle pressure cylinder 5 through the secondary reheating pipeline 22 to make the secondary reheating steam enter the middle pressure cylinder 5, and the air outlet end of the middle pressure cylinder 5 is connected with the low pressure cylinder 6 through the middle and low pressure communicating pipe 23.
Wherein, the outlet end of the primary reheating pipeline 21 is connected with the high pressure cylinder 4 through the primary reheating system of the boiler, the secondary reheating pipeline 22 is connected with the intermediate pressure cylinder 5 through the secondary reheating system of the boiler, the primary reheating system is a primary reheater, the secondary reheating system is a secondary reheater, the reheater is a steam superheater which is essentially used for reheating low-pressure steam which is used for doing work and reaching a certain temperature, in order to improve the cycle thermal efficiency of the large-scale generating set, an intermediate reheating circulating system is adopted, main steam which is discharged from the boiler superheater enters the ultrahigh pressure cylinder 3 of the steam turbine through the main steam pipeline 20 for doing work, then is sent to the primary reheater through the primary reheating pipeline 21 for reheating so as to improve the temperature, then is sent to the high pressure cylinder 4 of the steam turbine for continuously expanding and doing work, the cycle efficiency can be improved by 4-5% relatively, the steam which is used for doing work after the high pressure cylinder 4 passes through the secondary reheating pipeline 22 to be reheater so as to improve the temperature, then is sent to the intermediate pressure cylinder 5 of the steam turbine for continuously expanding and doing work, the cycle efficiency can be improved by about 2% relatively, the steam which is sent to the low pressure connecting pipe 23 of the intermediate pressure pipe 5, and finally, the secondary reheating temperature is utilized (630-5.5.5-630-630.5 g of the secondary reheating temperature) (the parameter of the reheat steam) and the parameter).
In addition, the steam pipeline 2 further comprises a low-pressure and low-pressure communicating pipe 24, a plurality of intermediate pressure cylinders 5 and a plurality of low-pressure cylinders 6 are arranged, the intermediate pressure cylinders 5 are connected with the high-pressure cylinder 4 through a secondary reheating pipeline 22, the low-pressure cylinders 6 are connected with the intermediate pressure cylinders 5 through an intermediate-pressure and low-pressure communicating pipe 23, or connected with the low-pressure cylinders 6 through the low-pressure and low-pressure communicating pipe 24, for example, the low-pressure and low-pressure communicating pipes 24 can be connected through a tee joint 25. The low pressure cylinder 6 may be connected to the intermediate pressure cylinder 5 or other low pressure cylinders 6, and the low pressure cylinders 6 are connected to each other by the low pressure communication pipe 24, depending on the position of the pneumatic cylinder 1 and the distribution of the driving shafts 7. For example, the steam pipeline 2 may be provided with a compensating device 26, the compensating device 26 is used for absorbing expansion of the steam turbine, the compensating device 26 is a steam pipeline compensator, and includes a square compensator, a sleeve compensator, a spherical compensator and a bellows compensator, any one of which may be used in the present disclosure, and for example, as shown in fig. 2, the compensating device 26 is provided on the low-pressure communicating pipe 24 connected between the plurality of driving shafts 7 in the present disclosure, so as to prevent the two driving shafts 7 from shifting.
As an alternative embodiment, as shown in fig. 1 to 3, a plurality of driving shafts 7 are arranged in parallel, the parallel arrangement can reduce the occupied space, a long space is required if the driving shafts are arranged in a row, the turbonator system is arranged on the operation layer 9, the space of the operation layer 9 is limited, the cost is increased if the space is increased, and the space of the machine room itself is limited if the operation layer 9 is arranged in the machine room.
Optionally, the pneumatic cylinder 1 interval on the many drive shafts 7 is crisscross to be set up in order to reduce turbo generator system's occupation space, namely pneumatic cylinder 1 on every drive shaft 7 all sets up at the interval, and the spaced distance is greater than the length of a pneumatic cylinder 1, and when many drive shafts 7 set up side by side, pneumatic cylinder 1 on a drive shaft 7 can be inserted between two pneumatic cylinders 1 on another drive shaft 7, can make the distance between two drive shafts 7 littleer, reduces occupation space.
As an alternative embodiment, as shown in fig. 1 to 3, the driving shaft 7 is provided with two driving shafts 71 and 72, the intermediate pressure cylinder 5 is provided with two intermediate pressure cylinders 51 and 52, the low pressure cylinder 6 is provided with three low pressure cylinders 61, 62 and 63, the ultra high pressure cylinder 3, the high pressure cylinder 4 and the first low pressure cylinder 61 are arranged on the first driving shaft 71 at intervals, the first intermediate pressure cylinder 51, the second intermediate pressure cylinder 52, the second low pressure cylinder 62 and the third low pressure cylinder 63 are arranged on the second driving shaft 72 at intervals, the second low pressure cylinder 62 and the second intermediate pressure cylinder 52 are connected by the intermediate and low pressure communicating pipe 23, and the second low pressure cylinder 62 and the third low pressure cylinder 63 and the first low pressure cylinder 61 and the third low pressure cylinder 63 are connected by the low pressure communicating pipe 24. In the embodiment, the power distribution of the first driving shaft 71 is about 50% -65% of the total capacity of the unit, the power distribution of the second driving shaft 72 is about 50% -35% of the total capacity of the unit, and the main steam flow range is 3300t/h-3600t/h.
Of course, various allocations may be made according to different operating conditions, for example, as shown in fig. 4, in the second embodiment, the ultrahigh pressure cylinder 3, the high pressure cylinder 4, the first low pressure cylinder 61, and the second low pressure cylinder 62 are provided at intervals on the first drive shaft 71, the first intermediate pressure cylinder 51, the second intermediate pressure cylinder 52, and the third low pressure cylinder 63 are provided at intervals on the second drive shaft 72, the second intermediate pressure cylinder 52 is connected to the third low pressure cylinder 63 through the intermediate low pressure communication pipe 23, the third low pressure cylinder 63 is connected to the second low pressure cylinder 62 through the low pressure communication pipe 24, and the first low pressure cylinder 61 is connected to the low pressure communication pipe 24 between the third low pressure cylinder 63 and the second low pressure cylinder 62 through the low pressure communication pipe 24 and the three-way pipe 25. As shown in fig. 5, in the third embodiment, the ultrahigh pressure cylinder 3, the high pressure cylinder 4, the first intermediate pressure cylinder 51, and the first low pressure cylinder 61 are provided at intervals on the first drive shaft 71, the second intermediate pressure cylinder 52, the second low pressure cylinder 62, and the third low pressure cylinder 63 are provided at intervals on the second drive shaft 72, the first intermediate pressure cylinder 51 is connected to the first low pressure cylinder 61 through the intermediate low pressure communication pipe 23, the second intermediate pressure cylinder 52 is connected to the second low pressure cylinder 62 through the intermediate low pressure communication pipe 23, and the second low pressure cylinder 62 is connected to the third low pressure cylinder 63 through the low pressure communication pipe 24. As shown in fig. 6, in the fourth embodiment, the ultrahigh pressure cylinder 3, the first intermediate pressure cylinder 51, and the first low pressure cylinder 61 are provided at intervals on the first drive shaft 71, the high pressure cylinder 4, the second intermediate pressure cylinder 52, the second low pressure cylinder 62, and the third low pressure cylinder 63 are provided at intervals on the second drive shaft 72, the first intermediate pressure cylinder 51 is connected to the first low pressure cylinder 61 through the intermediate low pressure communication pipe 23, the second intermediate pressure cylinder 52 is connected to the second low pressure cylinder 62 through the intermediate low pressure communication pipe 23, and the second low pressure cylinder 62 is connected to the third low pressure cylinder 63 through the low pressure communication pipe 24.
As an alternative embodiment, the turbogenerator system is an ultra-supercritical turbogenerator system. The ultra-supercritical steam turbine generator system refers to: the capacity of the generating set is between 1300MW and 1500MW, the main steam parameter (the pressure is 29.0 to 33.5MPa.g/temperature is 605 ℃ to 630 ℃), the primary reheating steam parameter (the pressure is 8.5 to 9.5MPa.g/temperature is 610 ℃ to 630 ℃), and the secondary reheating steam parameter (the pressure is 2.0 to 3.0 MPa.g/temperature is 615 ℃ to 630 ℃).
The height of the operation layer 9 is 15m-19m, the operation layer 9 refers to an operation platform of a steam turbine generator system, the high-temperature steam pipeline 2 needs to use a large amount of nickel-based alloy materials, so that the manufacturing cost of a power station is greatly increased, the high-position operation layer 9 can shorten the high-temperature steam pipeline 2 and a steam exhaust pipeline between a steam turbine and an air-cooled condenser, and the material cost of the pipeline is saved. For example, the running layer 9 is of a steel-concrete structure, and the rigidity of the basic platform is good, so that shafting vibration can be prevented.
The pneumatic cylinder 1, steam conduit 2 and valves of the present disclosure may use high temperature austenitic steel, martensitic steel or other materials that can withstand higher temperatures, and may be designated as P92, CCA617, HR6W, HT650P, etc.
When in actual use, set up the capacity that a plurality of pneumatic cylinders 1 guaranteed turbo generator 8, it can shorten the length increase shafting's of shafting stability to distribute on many drive shafts 7, a plurality of pneumatic cylinders 1 pass through steam conduit 2 and are connected with the boiler in order to generate electricity through high temperature high pressure steam, steam passes through pressure in proper order and is by a plurality of pneumatic cylinders 1 to low so that steam make full use of, every drive shaft 7 all is connected with generator 8, every drive shaft 7 rotates and all can generate electricity, the generating efficiency is higher.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides a turbo generator system for with the boiler intercommunication in order to pass through steam power generation that the boiler produced, a serial communication port, turbo generator system is including setting up drive shaft, pneumatic cylinder and the generator on same operation layer, the pneumatic cylinder is equipped with a plurality ofly and a plurality ofly the pneumatic cylinder distributes in many in the drive shaft, every the drive shaft all is connected with the generator, it is a plurality of the pneumatic cylinder pass through steam conduit with the boiler is connected.
2. The turbine generator system of claim 1, wherein the pneumatic cylinders comprise an ultra high pressure cylinder, a high pressure cylinder, an intermediate pressure cylinder, and a low pressure cylinder distributed over the plurality of drive shafts, and the steam passes through the ultra high pressure cylinder, the intermediate pressure cylinder, and the low pressure cylinder in sequence through the steam conduit to make full use of the steam.
3. The steam turbine generator system of claim 2, wherein the steam pipeline comprises a main steam pipeline, a primary reheating pipeline, a secondary reheating pipeline, and a medium-low pressure communicating pipe, the air inlet end of the ultra-high pressure cylinder is provided with the main steam pipeline for connecting with the superheating system of the boiler so as to allow superheated steam to enter the ultra-high pressure cylinder, the air outlet end of the ultra-high pressure cylinder is connected with the air inlet end of the high pressure cylinder through the primary reheating pipeline so as to allow primary reheating steam to enter the high pressure cylinder, the air outlet end of the high pressure cylinder is connected with the air inlet end of the medium pressure cylinder through the secondary reheating pipeline so as to allow secondary reheating steam to enter the medium pressure cylinder, and the air outlet end of the medium pressure cylinder is connected with the low pressure cylinder through the medium-low pressure communicating pipe.
4. The turbine generator system of claim 3 wherein the outlet end of the reheat circuit is connected to the high pressure cylinder through a reheat system of the boiler and the reheat circuit is connected to the intermediate pressure cylinder through a reheat system of the boiler.
5. The steam turbine generator system of claim 3, wherein the steam pipeline further comprises a plurality of low-pressure communicating pipes, the plurality of intermediate pressure cylinders and the plurality of low-pressure cylinders are connected to the high-pressure cylinder through the secondary reheat pipeline, and the low-pressure cylinder is connected to the intermediate pressure cylinder through the intermediate-pressure communicating pipes or connected to the low-pressure cylinder through the low-pressure communicating pipes.
6. The turbine generator system of claim 1 wherein a plurality of the drive shafts are arranged in parallel.
7. The turbine generator system of claim 6 wherein the pneumatic cylinders on the plurality of drive shafts are staggered in intervals to reduce the footprint of the turbine generator system.
8. The turbine generator system of claim 5, wherein the driving shaft is provided with two driving shafts, namely a first driving shaft and a second driving shaft, the intermediate pressure cylinder is provided with two intermediate pressure cylinders, namely a first intermediate pressure cylinder and a second intermediate pressure cylinder, in parallel, the low pressure cylinder is provided with three low pressure cylinders, namely a first low pressure cylinder, a second low pressure cylinder and a third low pressure cylinder, the ultrahigh pressure cylinder, the high pressure cylinder and the first low pressure cylinder are arranged on the first driving shaft at intervals, the first intermediate pressure cylinder, the second low pressure cylinder and the third low pressure cylinder are arranged on the second driving shaft at intervals, the second low pressure cylinder and the second intermediate pressure cylinder are connected through the intermediate pressure communicating pipe, and the second low pressure cylinder and the third low pressure cylinder and the first low pressure cylinder and the third low pressure cylinder are connected through the low pressure communicating pipe.
9. The turbine generator system of claim 1, wherein the operational floor has a height of 15m-19m.
10. The turbine generator system of claim 1 wherein the turbine generator system is an ultra supercritical turbine generator system.
CN202211015306.5A 2022-08-23 2022-08-23 Steam turbine generator system Pending CN115306499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211015306.5A CN115306499A (en) 2022-08-23 2022-08-23 Steam turbine generator system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211015306.5A CN115306499A (en) 2022-08-23 2022-08-23 Steam turbine generator system

Publications (1)

Publication Number Publication Date
CN115306499A true CN115306499A (en) 2022-11-08

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Application Number Title Priority Date Filing Date
CN202211015306.5A Pending CN115306499A (en) 2022-08-23 2022-08-23 Steam turbine generator system

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CN (1) CN115306499A (en)

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