CN207315457U - 300MW grade supercritical carbon dioxide turbines and compressor shafting - Google Patents
300MW grade supercritical carbon dioxide turbines and compressor shafting Download PDFInfo
- Publication number
- CN207315457U CN207315457U CN201721299587.6U CN201721299587U CN207315457U CN 207315457 U CN207315457 U CN 207315457U CN 201721299587 U CN201721299587 U CN 201721299587U CN 207315457 U CN207315457 U CN 207315457U
- Authority
- CN
- China
- Prior art keywords
- compressor
- turbine
- pressure turbine
- shaft
- high pressure
- 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.)
- Active
Links
Abstract
A kind of 300MW grade supercriticals carbon dioxide turbine and compressor shafting, the utility model includes generator end shaft coupling, turbine-shaft bearings section, turbine dry gas seals, low pressure turbine, high pressure turbine, turbine-shaft thrust disc, turbine-shaft and compressor main shaft shaft coupling, compressor main shaft bearings section, compressor dry gas seals, dummy piston, recompression machine, main compressor, compressor thrust disc, 300MW grade supercriticals carbon dioxide turbine and compressor main shaft Shafting torque are small in the utility model, the stress levels of shafting are identical with existing thermoelectricity turbine shafting stress levels, it may insure the safety of 300MW grade supercritical carbon dioxide turbines and compressor shafting.In addition, high pressure turbine is coaxial with low pressure turbine, both are middle part air inlet, outboard exhaust, can reduce the axial force of turbine-shaft；Main compressor and recompression machine are coaxial, both are middle part air inlet, outboard exhaust, can reduce the axial force of compressor main shaft.
Description
Technical field
It the utility model is related to a kind of supercritical carbon dioxide turbine and compressor shafting, more particularly to a kind of 300MW etc.
Level supercritical carbon dioxide turbine and compressor shafting.
Background technology
Supercritical carbon dioxide power generation cycle system have cycle efficieny is high, energy density is high, circulation without phase-change, operation into
This low advantage, it is considered to be the important directions of future electrical energy development, the supercritical carbon dioxide power generation cycle of high-power grade
The arrangement of the rotating machinery of system is directly related with the design of system, construction, operation, maintenance, and excellent arrangement can
So that system structure is compacter, crushing smaller, operating maintenance are more economical, reduce needed for metal material dosage and the circulatory system
Space, reduces the leakage rate in working medium operational process, reduces the moment of torsion of rotating machinery principle axis shafting, rotating machinery in raising system
The security of equipment.
The content of the invention
The purpose of this utility model is to provide a kind of 300MW grade supercritical carbon dioxide that can be solved the above problems
Turbine and compressor shafting.
The utility model is achieved through the following technical solutions above-mentioned purpose：Including turbine-shaft and compressor main shaft, thoroughly
Flat main shaft one end passes through compressor shaft coupling and compression owner by generator end shaft coupling and generator coupling of shaft system, the other end
Axis is connected；
Low pressure turbine master is sequentially installed between the generator end shaft coupling and compressor shaft coupling of the turbine-shaft
Axle bearing support, low pressure turbine dry gas seals, low pressure turbine, high pressure turbine, high pressure turbine dry gas seals, high pressure turbine spindle shaft
Support and turbine-shaft thrust disc are held, the low pressure turbine includes low pressure turbine wheel disc and the low pressure turbine leaf being disposed thereon
Piece, high pressure turbine include high pressure turbine wheel disc and the high pressure turbine blade being disposed thereon；
The compressor main shaft from compressor shaft coupling be sequentially installed with backward compressor main shaft clutch shaft bearing supporting section,
The first dry gas seals of compressor, dummy piston, recompression machine, main compressor, the second dry gas seals of compressor, compressor main shaft the
Two bearings sections and compressor thrust disc.
The high pressure turbine and low pressure turbine are middle part air inlet, both sides exhaust, high pressure turbine and the same cylinder of low pressure turbine
Arrangement.
The high pressure turbine rotor is 4 grades of axial wheels, and low pressure turbine rotor is 5 grades of axial wheels.
The main compressor and recompression machine is middle part air inlet, both sides exhaust, main compressor and the recompression same cylinder of machine
Arrangement.
The main compressor rotor is 4 grades of receded disk impellers, and recompression machine rotor is 4 grades of receded disk impellers.
The beneficial effects of the utility model are：
300MW grade supercriticals carbon dioxide turbine described in the utility model and compressor shafting, the low pressure referred to are saturating
Flat, high pressure turbine, recompression machine, the arrangement of main compressor, by being calculated as comprising 2 turbines, 2 compressors
In the rotating machinery arrangement of 300MW grade supercritical carbon dioxide cycle systems, the scheme of principle axis shafting moment of torsion minimum, this
The stress levels of scheme center shafting are identical with existing thermoelectricity turbine shafting stress levels, it can be ensured that 300MW grade supercriticals two
The safety of carbonoxide turbine and compressor shafting.
In addition, high pressure turbine is coaxial with low pressure turbine, both are middle part air inlet, outboard exhaust, can reduce turbine master
The axial force of axis；Main compressor and recompression machine are coaxial, both are middle part air inlet, outboard exhaust, can reduce compression owner
The axial force of axis.
Brief description of the drawings
Fig. 1 is 300MW grade supercriticals carbon dioxide turbine described in the utility model and the schematic diagram of compressor shafting；
Fig. 2 is the moment of torsion of 300MW grade supercriticals carbon dioxide turbine described in the utility model and compressor shafting and answers
Power distribution schematic diagram；
In figure, 1 generator end shaft coupling；2 low pressure turbine main shaft bearing supporting sections；3 low pressure turbine dry gas seals；4 low pressure
Turbine wheel disc；5 low pressure turbine blades；6 turbine-shafts；7 high pressure turbine wheel discs；8 high pressure turbine blades；9 high pressure turbine dry gas are close
Envelope；10 high pressure turbine main shaft bearing supporting sections；11 turbine-shaft thrust discs；12 turbine-shafts and compressor main shaft shaft coupling；13
Compressor main shaft clutch shaft bearing supporting section；14 the first dry gas seals of compressor；15 dummy pistons；16 recompression machines；17 compressors
Main shaft；18 main compressors；19 the second dry gas seals of compressor；20 compressor main shaft second bearing supporting sections；21 compressor thrusts
Disk.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, the utility model includes turbine-shaft 6 and compressor main shaft 17,6 one end of turbine-shaft passes through power generation
Generator terminal shaft coupling 1 and generator coupling of shaft system, the other end are connected by compressor shaft coupling 12 with compressor main shaft 17；
It is saturating that low pressure is sequentially installed between the generator end shaft coupling 1 and compressor shaft coupling 12 of the turbine-shaft 6
Flat main shaft bearing support 2, low pressure turbine dry gas seals 3, low pressure turbine, high pressure turbine, high pressure turbine dry gas seals 9, high pressure are saturating
Flat main shaft bearing support 10 and turbine-shaft thrust disc 11, the low pressure turbine include low pressure turbine wheel disc 4 and are arranged on it
On low pressure turbine blade 5, high pressure turbine includes high pressure turbine wheel disc 7 and the high pressure turbine blade 8 that is disposed thereon；
The compressor main shaft 17 is sequentially installed with compressor main shaft clutch shaft bearing branch backward from compressor shaft coupling 12
Support section 13, the first dry gas seals of compressor 14；Dummy piston 15；Recompression machine 16；Main compressor 18；The second dry gas of compressor is close
Envelope 19；Compressor main shaft second bearing supporting section 20 and compressor thrust disc 21.
The high pressure turbine and low pressure turbine of the utility model are middle part air inlet, and both sides exhaust, high pressure turbine and low pressure are saturating
It is flat to arrange that high pressure turbine rotor is 4 grades of axial wheels, and low pressure turbine rotor is 5 grades of axial wheels with cylinder.
The main compressor 18 of the utility model and recompression machine 16 are middle part air inlet, and both sides are vented, 18 He of main compressor
Recompression machine 16 arranges that 18 rotor of main compressor be 4 grades of receded disk impellers with cylinder, recompression machine 16 rotor be 4 grades from
Core type impeller.
During work, high temperature and pressure supercritical carbon dioxide working medium is first from high pressure turbine and the medium position of low pressure turbine shafting
High pressure turbine is flowed into, flows out after promoting high pressure turbine acting, is then heated by reheater, working medium is first from high pressure turbine and low pressure
The medium position of turbine shafting flows into low pressure turbine, is flowed out after promoting low pressure turbine acting, and working medium flows subsequently through temperature after heat exchanger
Degree reduces, and enters main compressor from the medium position of main compressor and recompression arbor system, by main compressor adherence pressure, with
After flow out main compressor, enter recompression machine from the medium position of main compressor and recompression arbor system, continue to lift up working medium pressure
Power, final gas is by heat exchanger and boiler, then flows into high pressure turbine, and working medium repeats the above process.In the course of work, power generation
Machine, main compressor and recompression machine are dragged by high pressure turbine and low pressure turbine, the positive work(that high pressure turbine is produced with low pressure turbine
Rate, subtracts the backward power that main compressor is produced with recompression machine, and obtained power difference generates electricity for drawing generator.
As shown in Fig. 2, the 300MW grade supercritical carbon dioxide turbines and compressor shafting arranged in this manner,
The moment of torsion of axis is minimum, and the stress distribution of axis is reasonable, can be according to existing ripe turbine spindle material selection.
Claims (5)
1.300MW grade supercritical carbon dioxide turbines and compressor shafting, it is characterised in that：Including turbine-shaft (6) and pressure
Contracting owner axis (17), turbine-shaft (6) one end are passed through by generator end shaft coupling (1) and generator coupling of shaft system, the other end
Compressor shaft coupling (12) is connected with compressor main shaft (17)；
Low pressure is sequentially installed between the generator end shaft coupling (1) and compressor shaft coupling (12) of the turbine-shaft (6)
Turbine-shaft bearings (2), low pressure turbine dry gas seals (3), low pressure turbine, high pressure turbine, high pressure turbine dry gas seals
(9), high pressure turbine main shaft bearing support (10) and turbine-shaft thrust disc (11), the low pressure turbine include low pressure turbine wheel
Disk (4) and the low pressure turbine blade (5) being disposed thereon, high pressure turbine include high pressure turbine wheel disc (7) and are disposed thereon
High pressure turbine blade (8)；
The compressor main shaft (17) is sequentially installed with compressor main shaft clutch shaft bearing branch backward from compressor shaft coupling (12)
Support section (13), the first dry gas seals of compressor (14)；Dummy piston (15)；Recompression machine (16)；Main compressor (18)；Compressor
Second dry gas seals (19)；Compressor main shaft second bearing supporting section (20) and compressor thrust disc (21).
2. 300MW grade supercriticals carbon dioxide turbine according to claim 1 and compressor shafting, it is characterised in that：
The high pressure turbine and low pressure turbine are middle part air inlet, and both sides exhaust, high pressure turbine and low pressure turbine are arranged with cylinder.
3. 300MW grade supercriticals carbon dioxide turbine according to claim 1 and compressor shafting, it is characterised in that：
The high pressure turbine rotor is 4 grades of axial wheels, and low pressure turbine rotor is 5 grades of axial wheels.
4. 300MW grade supercriticals carbon dioxide turbine according to claim 1 and compressor shafting, it is characterised in that：
The main compressor (18) and recompression machine (16) is middle part air inlet, both sides exhaust, main compressor (18) and recompression machine
(16) arranged with cylinder.
5. 300MW grade supercriticals carbon dioxide turbine according to claim 1 and compressor shafting, it is characterised in that：
Described main compressor (18) rotor is 4 grades of receded disk impellers, and recompression machine (16) rotor is 4 grades of receded disk impellers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299587.6U CN207315457U (en) | 2017-10-10 | 2017-10-10 | 300MW grade supercritical carbon dioxide turbines and compressor shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299587.6U CN207315457U (en) | 2017-10-10 | 2017-10-10 | 300MW grade supercritical carbon dioxide turbines and compressor shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315457U true CN207315457U (en) | 2018-05-04 |
Family
ID=62429638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299587.6U Active CN207315457U (en) | 2017-10-10 | 2017-10-10 | 300MW grade supercritical carbon dioxide turbines and compressor shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587906A (en) * | 2017-10-10 | 2018-01-16 | 华能国际电力股份有限公司 | 300MW grade supercritical carbon dioxide turbines and compressor shafting |
| CN108843418A (en) * | 2018-07-04 | 2018-11-20 | 西安热工研究院有限公司 | A kind of double pressure high efficiency burnt gas supercritical carbon dioxide association circulating power generation systems |
| CN110966229A (en) * | 2019-12-23 | 2020-04-07 | 东方电气集团东方汽轮机有限公司 | Coaxial integrated radial-axial mixed flow wet air turbine compressor rotor structure |
-
2017
- 2017-10-10 CN CN201721299587.6U patent/CN207315457U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587906A (en) * | 2017-10-10 | 2018-01-16 | 华能国际电力股份有限公司 | 300MW grade supercritical carbon dioxide turbines and compressor shafting |
| CN108843418A (en) * | 2018-07-04 | 2018-11-20 | 西安热工研究院有限公司 | A kind of double pressure high efficiency burnt gas supercritical carbon dioxide association circulating power generation systems |
| CN110966229A (en) * | 2019-12-23 | 2020-04-07 | 东方电气集团东方汽轮机有限公司 | Coaxial integrated radial-axial mixed flow wet air turbine compressor rotor structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207315457U (en) | 300MW grade supercritical carbon dioxide turbines and compressor shafting | |
| CN104005802B (en) | Compressed-air energy-storage system | |
| CN107461227A (en) | A kind of supercritical carbon dioxide centrifugal compressor and radial-inward-flow turbine coaxial configuration | |
| CN107237656B (en) | Coaxial structure of supercritical carbon dioxide centrifugal compressor and axial flow turbine | |
| CN104895827A (en) | Air compressor with ultrasonic bearings | |
| CN109162765B (en) | Ultrahigh-pressure 45MW once intermediate reheating high-rotation-speed steam turbine | |
| CN114215606A (en) | 10MW axial-flow sCO2Turbine and method of operating a turbine | |
| CN206419067U (en) | A kind of Gas Turbine Power turbine structure based on friction torsion pass | |
| CN106337789B (en) | A kind of collection light amplification solar light-heat power-generation system and electricity-generating method | |
| CN104976133A (en) | High temperature water pump of mechanical seal and vortex pump closed type self-circular system | |
| CN102444426B (en) | Method of modifying a steam turbine | |
| CN107587906A (en) | 300MW grade supercritical carbon dioxide turbines and compressor shafting | |
| CN103195759A (en) | Main feed pump | |
| CN203271827U (en) | E-class combined cycle three-pressure straight condensing turbine | |
| CN103398012B (en) | Nuclear power station start and stop feed water pump | |
| CN114198166A (en) | 3 MW-grade full-circumference air inlet axial flow impulse type supercritical carbon dioxide turbine | |
| CN204457895U (en) | By the Turbo-generator Set of solar energy optical-thermal/industrial afterheat power generation | |
| CN203257721U (en) | Main water-feeding pump | |
| CN104675455B (en) | Improve the method by the Turbo-generator Set efficiency of solar energy optical-thermal/industrial afterheat power generation and structure | |
| CN113982705A (en) | 40MW ultrahigh-pressure high-rotation-speed single-cylinder air cooling steam turbine | |
| CN206801617U (en) | A kind of reheat-type multistage axial turbine | |
| CN219638900U (en) | Back pressure steam turbine of cogeneration unit | |
| CN102363821B (en) | High speed blast furnace gas pressure turbine | |
| CN206753666U (en) | A kind of critical oil supply system of turbine LP rotors | |
| CN206144603U (en) | Helical coiled passage formula steam turbine and steam turbine device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |