CN104088703B - Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine - Google Patents
Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine Download PDFInfo
- Publication number
- CN104088703B CN104088703B CN201410288773.4A CN201410288773A CN104088703B CN 104088703 B CN104088703 B CN 104088703B CN 201410288773 A CN201410288773 A CN 201410288773A CN 104088703 B CN104088703 B CN 104088703B
- Authority
- CN
- China
- Prior art keywords
- steam
- turbine
- gas turbine
- pressure
- subsystem
- 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.)
- Expired - Fee Related
Links
- 230000010354 integration Effects 0.000 title abstract 4
- 239000007789 gas Substances 0.000 claims abstract description 72
- 238000010248 power generation Methods 0.000 claims abstract description 49
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003345 natural gas Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000002918 waste heat Substances 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000002737 fuel gas Substances 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000000567 combustion gas Substances 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000003303 reheating Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 4
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000008236 heating water Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004899 motility Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a compressed air energy storage-combined cycle integration system of an intercooled preheating steam turbine in the field of compressed air energy storage power generation systems. The compressed air energy storage-combined cycle integration system comprises a compressed air energy storage subsystem, a gas turbine power generation subsystem, a steam turbine power generation subsystem, an afterheat boiler subsystem and a steam turbine preheating subsystem, wherein high-pressure and high-temperature air generated by the compressed air energy storage subsystem enters an air storage chamber for storage after passing through an air cooling device; high-pressure gas in the gas turbine power generation subsystem works through two-stage expansion; when the system generates power, the stored compressed air is released; the compressed air and natural gas are combusted in a hybrid manner and then enter the gas turbine power generation subsystem for power generation; gas discharged by the gas turbine power generation subsystem enters an afterheat boiler for heating water to generate steam; the steam enters the steam turbine power generation subsystem, and the electric energy generated by the system is conveyed into a power grid for peak regulation. The integration system is large in power generation amount, high in energy conversion efficiency and high in flexibility and can meet requirements of large-scale electric energy storage and power grid peak regulation.
Description
Technical field
The invention belongs to Caes electricity generation system field, particularly to the compression of the cold and hot pre- Hot gas turbine of an inter-species
Air energy-storage-combined cycle integrated system.
Background technology
Caes are that one kind has potential extensive way of energy storage very much, have accumulation of energy low cost, environment shadow
The features such as sound is little.In a typical Caes system, when being in electrical network underload period or electrical network cannot be dissolved
During a large amount of renewable energy power, part or all of electric energy is used to drive compressor to complete air compression and store.High pressure
Air is stored in cavern or artificial air storage chamber, is released in electrical network high load capacity period, (natural with the fuel supplementing
Gas, oil etc.) mixed combustion produce the combustion gas of High Temperature High Pressure in a combustion chamber, combustion gas is through expansion driven turbine power generation.
Carrying out power energy storage and peak load regulation network is one of extensive important measures utilizing of China's renewable energy power.Existing
Stage water-storage is limited by water resource becomes electric power development bottleneck, and Caes water consumption is few, can be in China
The development of most of hydropenia region.Traditional compressed air energy storage station has been short of in systematic function and generating capacity, therefore,
The Caes developed based on China's power energy storage development electricity generation system integrated with combined cycle is with generated energy
Greatly, the advantage such as generating efficiency height receives publicity.
Caes and combined cycle integrated power generation system are to reclaim combustion gas turbine high-temperature exhaust air using waste heat boiler
In used heat produce steam, and steam is sent in steam turbine and is generated electricity, the electric energy that gas turbine and steam turbine send all supplies
Electrical network, integrated system generated energy is big, energy conversion efficiency is high.Yet with steam turbine starting time longer it is impossible to meet electricity
Net peak regulation demand.The heat producing in air compression process is used for producing steam and storing, before steam turbine power generation, by steam
For pre- Hot gas turbine and make steam turbine be in hot stand-by duty, Caes and combined cycle integrated generation can be shortened
The response time of steam turbine power generation in system, the motility of strengthening system, make integrated system meet the demand of peak load regulation network.
Content of the invention
The purpose of the present invention is to propose to the integrated system of Caes-combined cycle of the cold and hot pre- Hot gas turbine of an inter-species
System is it is characterised in that described Caes-combined cycle integrated system includes 5 subsystems:Caes subsystem
System, gas turbine power generation subsystem, steam turbine power generation subsystem, waste heat boiler subsystem and the pre- thermal sub-system of steam turbine;Institute
State Caes subsystem and adopt multi-stage compression, intercooled mode;The pre- thermal sub-system of described steam turbine connects respectively
Caes subsystem and steam turbine power generation subsystem;The main body of described waste heat boiler subsystem is waste heat boiler 16, will
Gas turbine power generation system and turbine generating system is organically connected is integrated.
Described Caes subsystem is connected with compressor system for prime mover 1;Wherein, compressor system is by first
Level axial-flow compressor 2, second level centrifugal-flow compressor 5, third level centrifugal-flow compressor 6 and fourth stage centrifugal-flow compressor 7
It is composed in series;Wherein, first order axial-flow compressor 2 output connects heat exchanger 3, the output of second level compressor, third level pressure
The output of the output of mechanism of qi and fourth stage centrifugal-flow compressor all by air-cooling apparatus 8, fourth stage centrifugal-flow compressor
Output is connected with air storage chamber 9;
Described gas turbine power generation subsystem is by the first combustor 11, high-pressure gas turbine 12, the second combustor 13, low pressure
Combustion gas turbine 14 and the first electromotor 15 are sequentially connected, and air storage chamber 9 is connected with the first combustor 11 by choke valve 10, the first combustion
The output burning room 11 connects to the input of high-pressure gas turbine 12, and the output of the second combustor 13 connects to low-pressure fuel gas turbine 14
Input, high-pressure gas turbine 12, low-pressure fuel gas turbine 14 and the first electromotor 15 are connected on a power transmission shaft;
Described steam turbine power generation subsystem is by the steam turbine high-pressure cylinder 17 being connected in series, Steam Turbine Through IP Admission 18, steam turbine
Low pressure (LP) cylinder 19 and the second electromotor 20 form, and coaxially connected;The steam discharge of turbine low pressure cylinder 19 is connected with condenser 21, coagulates
The output of vapour device 21 is connected with feed pump 23 through No. 1 valve 22, and feed pump 23 connects waste heat boiler respectively by diverter 24
16 and force (forcing) pump 25, force (forcing) pump 25 reconnects waste heat boiler 16;Wherein turbine low pressure cylinder 19 enter vapour one be derived from waste heat pot
Stove 16, one is derived from the steam discharge of Steam Turbine Through IP Admission 18.
The pre- thermal sub-system of described steam turbine connects Caes subsystem and steam turbine power generation subsystem, heat exchange respectively
Device 3 is connected with the input of steam storage tank 4 through No. 3 valve 29, and steam storage tank 4 exports through No. 4 valve 30 and steam turbine
High pressure cylinder 17 input connect, steam turbine high-pressure cylinder 17, Steam Turbine Through IP Admission 18, turbine low pressure cylinder 19 series connection after with condenser 21
Input connect, condensed water is connected with storage tank 27 after No. 2 valve 26, and the output of storage tank 27 is connected to room temperature water pump
28, the output of room temperature water pump 28 connects to heat exchanger 3;
The high pressure that described Caes subsystem produces, high temperature air enter storage after passing through air-cooling apparatus 8
Store in air chamber 9;In gas turbine power generation subsystem, high-pressure gas generate electricity using double expansion acting, if two combustor, storage
Before entrance high-pressure gas turbine 12 acting after choke valve 10 regulation of the compressed air of air chamber 9 output in the first combustor 11
Natural gas mixed combustion with supplementing, makes mixed gas temperature reach 500-600 DEG C;High-pressure gas turbine 12 high pressure out mixes
Close gas and enter the natural gas mixed combustion with supplement in the second combustor 13 before low-pressure fuel gas turbine 14, make gas temperature
Reach 800-1000 DEG C;Low-pressure fuel gas turbine 14 high-temperature gas out enters waste heat boiler 16, and waste heat boiler adopts three pressures again
Hot type, by the use of the steam discharge of low-pressure fuel gas turbine 14 as thermal source, heats the feedwater of feed pump 23, produces two strands of steam, one steaming
Through entering waste heat boiler 16 reheating after steam turbine high-pressure cylinder 17 expansion work, it is swollen that reheated steam enters Steam Turbine Through IP Admission 18 to vapour
Turbine low pressure cylinder 19 is entered back into after swollen acting;Another strand of steam is directly entered turbine low pressure cylinder 19, steam turbine low-pressure afterwards
The steam discharge of cylinder 19 enters condenser 21;The condensed moisture two-way that condenser 21 produces, a road enters water storage after No. 2 valve 26
Case 27;Feed pump 23 is entered after separately leading up to No. 1 valve 22;Entrance recycles.
The high temperature air of described first order axial-flow compressor 2 output normal-temperature water with storage tank output in heat exchanger 3
Entrance second level centrifugal-flow compressor after heat exchange, the input exporting as third level centrifugal-flow compressor of second level compressor,
The output of third level compressor is as the input of fourth stage centrifugal-flow compressor, the height of second and third grade of centrifugal-flow compressor output
Warm air enters next stage compressor after lowering the temperature in air-cooling apparatus, the high temperature air of fourth stage compressor output passes through
Air storage chamber 9 is entered after air-cooling apparatus 8.
In described gas turbine power generation subsystem, the compressed air of air storage chamber 9 output enters first after choke valve 10 regulation
Combustor 11 and the natural gas mixed combustion feeding, the combustion gas of high-pressure gas turbine 12 output enters the second combustor 13 and supplements
Natural gas mixed combustion, the second combustor 13 output combustion gas enter low-pressure fuel gas turbine 14 do work, drive the first electromotor
Generate electricity 15 generatings, and the high temperature steam discharge of low-pressure fuel gas turbine 14 enters waste heat boiler 16;The output of feed pump 23 through diverter 24 it
After be divided into two strands of current, enter waste heat boiler 16 after one pressurized water pump 25, another stock is directly entered waste heat boiler 16;Low pressure
The aerofluxuss of combustion gas turbine 14 enter waste heat boiler 16, and the high steam that waste heat boiler 16 produces enters steam turbine high-pressure cylinder 17;Warp
The reheated steam of waste heat boiler 16 through steam turbine high-pressure cylinder 17 steam discharge and is transported to Steam Turbine Through IP Admission 18, Steam Turbine Through IP Admission 18
The low-pressure steam that produces with waste heat boiler 16 of steam discharge jointly enter turbine low pressure cylinder 19 and do work, drive the second electrical power generators
20 generatings;
In described Caes subsystem, air compression section adopts multi-stage compression, intercooled mode, in sky
During air pressure contracting, first order axial-flow compressor 2 pressure ratio is set to 6, and after air flows through first order axial-flow compressor 2, temperature reaches
220-250 DEG C, high temperature air enters in heat exchanger 3 and heats normal-temperature water, produces temperature and is 150 DEG C, and pressure is the steam of 5bar, steams
Vapour is stored in steam storage tank 4;Second level centrifugal-flow compressor 5, third level centrifugal-flow compressor 6, the fourth stage are centrifugal
The high temperature air of compressor 7 outlet all enters cooling down in chiller 8, and pressure-air is finally fed to deposit in air storage chamber 9
Storage.
In the pre- thermal sub-system of described steam turbine, compressor working stage, open No. 3 valve 29, close No. 4 valve
30, the frequent warm water pump of normal-temperature water 28 of storage tank 27 output enters heat exchanger 3 and carries out heat friendship with high temperature air after being pressurized to 5bar
Change, the parameter producing in heat exchanger 3 is 150 DEG C, the steam of 5bar enters in steam storage tank 4 and stores, before steam turbine power generation, close
Close No. 1 valve 22 and No. 3 valve 29, open No. 2 valve 26 and No. 4 valve 30, the steam quilt in steam storage tank 4
Send into steam turbine power generation subsystem, steam turbine high-pressure cylinder 17, Steam Turbine Through IP Admission 18, turbine low pressure cylinder 19 are preheated, and make
Steam turbine is in hot stand-by duty, and steam enters condenser 21 after turbine low pressure cylinder 19 discharge and condenses, and condensed water is through No. 2
Storage tank 27 is sent into after valve 26.
Present invention has the advantages that Caes and combined cycle integrated generation, gas turbine and steam turbine send
Electric energy all supply electrical network, integrated system generated energy is big, energy conversion efficiency is high.The present invention will produce in air compression process
Heat be used for producing steam and storing, before steam turbine power generation, steam is used for pre- Hot gas turbine and makes steam turbine be in heat
Resting state, can shorten the response time of Caes and steam turbine power generation in combined cycle integrated power generation system, increase
The motility of strong system, makes integrated system meet the demand of peak load regulation network.
Brief description
Fig. 1 is the schematic diagram of the Caes-combined cycle integrated system of the cold and hot pre- Hot gas turbine of an inter-species.
Specific embodiment
The present invention proposes the Caes-combined cycle integrated system of the cold and hot pre- Hot gas turbine of an inter-species, ties below
Close the drawings and specific embodiments and the present invention is described in further detail.
Fig. 1 show the Caes-combined cycle integrated system schematic diagram of the cold and hot pre- Hot gas turbine of an inter-species.Institute
State Caes-combined cycle integrated system and include 5 subsystems:Caes subsystem, gas turbine power generation
Subsystem, steam turbine power generation subsystem, waste heat boiler subsystem and the pre- thermal sub-system of steam turbine;Described Caes
System adopts multi-stage compression, intercooled mode;The pre- thermal sub-system of described steam turbine connects Caes subsystem respectively
System and steam turbine power generation subsystem, the main body of described waste heat boiler subsystem is waste heat boiler 16, by gas turbine power generation system
Organically connected with turbine generating system it is integrated.
As shown in figure 1, described Caes subsystem is connected with compressor system for prime mover 1;Wherein, compressor
System is centrifuged by first order axial-flow compressor 2, second level centrifugal-flow compressor 5, third level centrifugal-flow compressor 6 and the fourth stage
Formula compressor 7 is composed in series;Wherein, first order axial-flow compressor 2 output connection heat exchanger 3, the output of second level compressor,
All by air-cooling apparatus 8, the fourth stage is centrifugal for the output of the output of third level compressor and fourth stage centrifugal-flow compressor 7
The output of compressor 7 is connected with air storage chamber 9;
Described gas turbine power generation subsystem is by the first combustor 11, high-pressure gas turbine 12, the second combustor 13, low pressure
Combustion gas turbine 14 and the first electromotor 15 are sequentially connected, and air storage chamber 9 is connected with the first combustor 11 by choke valve 10, the first combustion
The output burning room 11 connects to the input of high-pressure gas turbine 12, and the output of the second combustor 13 connects to low-pressure fuel gas turbine 14
Input, high-pressure gas turbine 12, low-pressure fuel gas turbine 14 and the first electromotor 15 are connected on a power transmission shaft;
Described steam turbine power generation subsystem is by the steam turbine high-pressure cylinder 17 being connected in series, Steam Turbine Through IP Admission 18, steam turbine
Low pressure (LP) cylinder 19 and the second electromotor 20 form, and coaxially connected;The steam discharge of turbine low pressure cylinder 19 is connected with condenser 21, coagulates
The output of vapour device 21 is connected with feed pump 23 through No. 1 valve 22, and feed pump 23 connects waste heat boiler respectively by diverter 24
16 and force (forcing) pump 25, force (forcing) pump 25 reconnects waste heat boiler 16;Wherein turbine low pressure cylinder 19 enter vapour one be derived from waste heat pot
Stove 16, one is derived from the steam discharge of Steam Turbine Through IP Admission 18.
The pre- thermal sub-system of described steam turbine connects Caes subsystem and steam turbine power generation subsystem, heat exchange respectively
Device 3 is connected with the input of steam storage tank 4 through No. 3 valve 29, and steam storage tank 4 exports through No. 4 valve 30 and steam turbine
High pressure cylinder 17 input connect, steam turbine high-pressure cylinder 17, Steam Turbine Through IP Admission 18, turbine low pressure cylinder 19 series connection after with condenser 21
Input connect, condensed water is connected with storage tank 27 after No. 2 valve 26, and the output of storage tank 27 is connected to room temperature water pump
28, the output of room temperature water pump 28 connects to heat exchanger 3;
The high pressure that described Caes subsystem produces, high temperature air enter storage after passing through air-cooling apparatus 8
Store in air chamber 9;In gas turbine power generation subsystem, high-pressure gas generate electricity using double expansion acting, if two combustor, storage
Before entrance high-pressure gas turbine 12 acting after choke valve 10 regulation of the compressed air of air chamber 9 output in the first combustor 11
Natural gas mixed combustion with supplementing, makes mixed gas temperature reach 500-600 DEG C;High-pressure gas turbine 12 high pressure out mixes
Close gas and enter the natural gas mixed combustion with supplement in the second combustor 13 before low-pressure fuel gas turbine 14, make gas temperature
Reach 800-1000 DEG C;Low-pressure fuel gas turbine 14 high-temperature gas out enters waste heat boiler 16, and waste heat boiler adopts three pressures again
Hot type, by the use of the steam discharge of low-pressure fuel gas turbine 14 as thermal source, heats the feedwater of feed pump 23, produces two strands of steam, one steaming
Through entering waste heat boiler 16 reheating after steam turbine high-pressure cylinder 17 expansion work, it is swollen that reheated steam enters Steam Turbine Through IP Admission 18 to vapour
Turbine low pressure cylinder 19 is entered back into after swollen acting;Another strand of steam is directly entered turbine low pressure cylinder 19, steam turbine low-pressure afterwards
The steam discharge of cylinder 19 enters condenser 21;The condensed moisture two-way that condenser 21 produces, a road enters water storage after No. 2 valve 26
Case 27;Feed pump 23 is entered after separately leading up to No. 1 valve 22;Entrance recycles.
When electrical network is in low power consumption, dump power is supplied prime mover 1, for driving level Four compressor compressed air
And pressure-air is stored in air storage chamber 9, in compression process, in air storage chamber 9 Stress control in 46-72bar, the first axial-flow type pressure
Mechanism of qi 2 pressure ratio maintains 6, and rear three-level centrifugal-flow compressor pressure ratio constantly increases, and excursion is 2-2.3;First order axial-flow type
220-250 DEG C of high temperature air of compressor 2 outlet is used to and cooling water heat exchange produces steam, steam parameter reach 150 DEG C,
5bar, now, No. 3 valve 29 is opened, and No. 4 valve 30 is closed, and steam is stored in steam storage tank 4.
Fuel gas generation adopts double expansion to do work, and pressure-air is discharged by air storage chamber 9, makes pressure stability through choke valve 10
A certain fixed value in the range of 42-50bar, pressure-air enter high-pressure gas turbine 12 before in combustor 11 with natural
Gas mixed combustion, produces 500-600 DEG C, the combustion gas of 42-50bar, before entering low-pressure fuel gas turbine 14 in combustor 13
With natural gas mixed combustion, produce 800-1000 DEG C, 11bar about combustion gas.The delivery temperature of low-pressure fuel gas turbine 14 exists
500-600 DEG C, the steam that can enter in waste heat boiler 16 with feedwater heat exchange and produce, and the aerofluxuss temperature of waste heat boiler 16
Degree is reduced to 100 DEG C about.
Waste heat boiler 16 adopts the steam producing two strands of different parameters in three-pressure reheat formula, boiler, and one enters steam turbine
After high pressure cylinder 17, through waste heat boiler 16 reheating and enter Steam Turbine Through IP Admission 18, finally enter turbine low pressure cylinder 19;One
It is directly entered turbine low pressure cylinder 19.
Meanwhile, during external generating, the feedwater after feed pump 23 pressurization is divided into two strands of current through diverter, and one enters
Waste heat boiler 16 is entered, one is directly entered in waste heat boiler 16, and two strands of current are in waste heat after entering secondary booster in feed pump 25
The steam generating in boiler 16 enters condenser 21 after steam turbine power generation subsystem;And No. 1 valve 22 open, No. 2 valves 26
Close, condensed water is again introduced in feed pump 23, form the steam turbine power generation circulation of closing.
The startup of steam turbine and preheating are completed by the pre- thermal sub-system of steam turbine, during steam turbine preheating, 26, No. 4 valves of No. 2 valves
Door 30 is opened, and 22, No. 3 valves 29 of No. 1 valve are closed, and the steam in steam storage tank 4 enters condenser after flowing through steam turbine
21, condensed water enters storage tank 27 through No. 2 valves 26;In the next compressed air stage, the normal-temperature water in storage tank 27 is through water
Enter in heat exchanger 3 after pump 28 supercharging and be again introduced in steam storage tank 4 with high temperature air heat exchange, the steam of generation, formed
The water circulation of one closing.
The present invention can be summarized without prejudice to the thought of the present invention and the concrete form of principal character with others.Therefore, originally
The embodiment above of invention is that the present invention will be described, not limits the invention.Therefore, in the power with the present invention
Any change in sharp claim suitable implication and scope, is all considered as being included within the scope of the claims.
Claims (9)
1. Caes-combined cycle the integrated system of the cold and hot pre- Hot gas turbine of an inter-species is it is characterised in that described compression
Air energy-storage-combined cycle integrated system includes 5 subsystems:Caes subsystem, gas turbine power generation subsystem,
Steam turbine power generation subsystem, waste heat boiler subsystem and the pre- thermal sub-system of steam turbine;Described Caes subsystem is adopted
With multi-stage compression, intercooled mode;The pre- thermal sub-system of described steam turbine connects Caes subsystem and vapour respectively
Turbine power generation sub-system;The main body of described waste heat boiler subsystem is waste heat boiler (16), by gas turbine power generation subsystem and
Steam turbine power generation subsystem is organically connected to be integrated.
2. Caes-combined cycle the integrated system of the cold and hot pre- Hot gas turbine of an inter-species according to claim 1, its
It is characterised by, described Caes subsystem is connected with compressor system for prime mover (1);Wherein, compressor system by
First order axial-flow compressor (2), second level centrifugal-flow compressor (5), third level centrifugal-flow compressor (6) and fourth stage centrifugation
Formula compressor (7) is composed in series;Wherein, first order axial-flow compressor (2) output connects heat exchanger (3), and the second level is centrifugal
The output of the output of compressor, the output of third level centrifugal-flow compressor and fourth stage centrifugal-flow compressor is all cooled down by air
Device (8), the output of fourth stage centrifugal-flow compressor is connected with air storage chamber (9).
3. Caes-combined cycle the integrated system of the cold and hot pre- Hot gas turbine of an inter-species according to claim 1, its
It is characterised by, described gas turbine power generation subsystem is by the first combustor (11), high-pressure gas turbine (12), the second combustor
(13), low-pressure fuel gas turbine (14) and the first electromotor (15) are sequentially connected, and air storage chamber (9) passes through choke valve (10) and the first combustion
Burn room (11) to connect, the output of the first combustor (11) connects to the input of high-pressure gas turbine (12), the second combustor (13)
Output connect to the input of low-pressure fuel gas turbine (14), high-pressure gas turbine (12) and low-pressure fuel gas turbine (14) are connected to one
On individual power transmission shaft.
4. Caes-combined cycle the integrated system of the cold and hot pre- Hot gas turbine of an inter-species according to claim 1, its
It is characterised by, described steam turbine power generation subsystem is by the steam turbine high-pressure cylinder (17) being connected in series, Steam Turbine Through IP Admission (18), vapour
Turbine low pressure (LP) cylinder (19) and the second electromotor (20) composition, and coaxially connected;The steam discharge of turbine low pressure cylinder (19) and condensing
Device (21) connects, and the output of condenser (21) is connected with feed pump (23) through No. 1 valve (22), and feed pump (23) passes through shunting
Device (24) connects waste heat boiler (16) and force (forcing) pump (25) respectively, and force (forcing) pump (25) reconnects waste heat boiler (16);Wherein steamer
Machine low pressure (LP) cylinder (19) enter vapour one be derived from waste heat boiler (16), one be derived from Steam Turbine Through IP Admission (18) steam discharge.
5. Caes-combined cycle the integrated system of the cold and hot pre- Hot gas turbine of an inter-species according to claim 2, its
It is characterised by, the pre- thermal sub-system of described steam turbine connects Caes subsystem and steam turbine power generation subsystem respectively, the
One-level axial-flow compressor (2) output connects the input of heat exchanger (3), and the output of heat exchanger (3) connects the centrifugal pressure in the second level
The input of mechanism of qi (5);Heat exchanging water pipe's output and No. 3 valve (29), steam storage tank (4), No. 4 valve of this heat exchanger (3)
Door (30) and the input of steam turbine high-pressure cylinder (17) are connected in series, the input of heat exchanger (3) heat exchanging water pipe and room temperature water pump (28)
Output connect;Steam turbine high-pressure cylinder (17), Steam Turbine Through IP Admission (18), turbine low pressure cylinder (19) series connection after with condenser
(21) input connects, and condenser (21) is connected with storage tank (27) by No. 2 valve (26), and the output of storage tank (27) is even
It is connected to the input of room temperature water pump (28).
6. between described in a kind of claim 1, the Caes-combined cycle integrated system of cold and hot pre- Hot gas turbine sends out
Method for electrically is it is characterised in that the high pressure of described Caes subsystem generation, high temperature air pass through air-cooling apparatus
(8) enter storage in air storage chamber (9) after;In gas turbine power generation subsystem, high-pressure gas generate electricity using double expansion acting,
If two combustor, the compressed air that air storage chamber (9) exports enters high-pressure gas turbine (12) after choke valve (10) regulation and does
Before work(, the natural gas mixed combustion with supplement in the first combustor (11), makes mixed gas temperature reach 500-600 DEG C;High
Pressure combustion gas turbine (12) high pressure mixed gas out enter before low-pressure fuel gas turbine (14) in the second combustor (13) with
The natural gas mixed combustion supplementing, makes gas temperature reach 800-1000 DEG C;Low-pressure fuel gas turbine (14) high-temperature gas out
Enter waste heat boiler (16), waste heat boiler adopt three-pressure reheat formula, by the use of low-pressure fuel gas turbine (14) steam discharge as thermal source, plus
The feedwater of hot feed pump (23), produces two strands of steam, and one steam is remaining through entering after steam turbine high-pressure cylinder (17) expansion work
Heat boiler (16) reheating, reheated steam enters back into turbine low pressure cylinder (19) after entering Steam Turbine Through IP Admission (18) expansion work;
Another strand of steam is directly entered turbine low pressure cylinder (19), and the steam discharge of turbine low pressure cylinder (19) enters condenser (21) afterwards;
The condensed moisture two-way that condenser (21) produces, a road enters storage tank (27) after No. 2 valve (26);Separately lead up to
No. 1 valve (22) enters feed pump (23) afterwards, and entrance recycles.
7. the Caes of according to claim 6 cold and hot pre- Hot gas turbine-combined cycle integrated system send out
Method for electrically is it is characterised in that the compressed air that in described gas turbine power generation subsystem, air storage chamber (9) exports is through choke valve (10)
The natural gas mixed combustion of the first combustor (11) and supply is entered, the combustion gas that high-pressure gas turbine (12) exports enters after regulation
Second combustor (13) and the natural gas mixed combustion supplementing, the combustion gas that the second combustor (13) exports enters low-pressure fuel gas turbine
(14) do work, drive the first electromotor (15) to generate electricity, the high temperature steam discharge of low-pressure fuel gas turbine (14) enters waste heat boiler (16);Give
The output of water pump (23) is divided into two strands of current through after diverter (24), and one pressurized pump (25) enters waste heat boiler afterwards
(16), another stock is directly entered waste heat boiler (16);The aerofluxuss of low-pressure fuel gas turbine (14) enter waste heat boiler (16), waste heat pot
The high steam that stove (16) produces enters steam turbine high-pressure cylinder (17);Reheated steam through waste heat boiler (16) is through turbine high-pressure
Cylinder (17) steam discharge is simultaneously transported to Steam Turbine Through IP Admission (18), and the steam discharge of Steam Turbine Through IP Admission (18) and waste heat boiler (16) produce
Low-pressure steam enters turbine low pressure cylinder (19) acting jointly, drives the second electromotor (20) to generate electricity.
8. the Caes of according to claim 6 cold and hot pre- Hot gas turbine-combined cycle integrated system send out
Method for electrically is it is characterised in that in described Caes subsystem, air compression section adopts multi-stage compression, intercooling
Mode, when air compresses, first order axial-flow compressor (2) pressure ratio is set to 6, and air flows through first order axial-flow compressor
Temperature reaches 220-250 DEG C afterwards, and high temperature air enters heating normal-temperature water in heat exchanger (3), produces temperature and is 150 DEG C, pressure is
The steam of 5bar, steam is stored in steam storage tank (4);Second level centrifugal-flow compressor (5), the third level is centrifugal calms the anger
The high temperature air that machine (6), fourth stage centrifugal-flow compressor (7) export all enters cooling down in chiller (8), pressure-air
It is finally fed to storage in air storage chamber (9).
9. the Caes of according to claim 8 cold and hot pre- Hot gas turbine-combined cycle integrated system send out
Method for electrically it is characterised in that in the pre- thermal sub-system of described steam turbine, compressor working stage, open No. 3 valve (29), close
Close No. 4 valve (30), the frequent warm water pump of the normal-temperature water (28) that storage tank (27) exports enters heat exchanger (3) after being pressurized to 5bar
Carry out heat exchange with high temperature air, the parameter producing in heat exchanger (3) is 150 DEG C, the steam of 5bar enters steam storage tank (4)
Middle storage, before steam turbine power generation, closes No. 1 valve (22) and No. 3 valve (29), opens No. 2 valve (26) and No. 4
Valve (30), the steam in steam storage tank (4) is admitted to steam turbine power generation subsystem, to steam turbine high-pressure cylinder (17), steamer
Machine intermediate pressure cylinder (18), turbine low pressure cylinder (19) preheating, and make steam turbine be in hot stand-by duty, steam is from turbine low pressure cylinder
(19) enter condenser (21) condensation after discharging, condensed water sends into storage tank (27) after No. 2 valve (26).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410288773.4A CN104088703B (en) | 2014-06-24 | 2014-06-24 | Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410288773.4A CN104088703B (en) | 2014-06-24 | 2014-06-24 | Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104088703A CN104088703A (en) | 2014-10-08 |
CN104088703B true CN104088703B (en) | 2017-02-08 |
Family
ID=51636448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410288773.4A Expired - Fee Related CN104088703B (en) | 2014-06-24 | 2014-06-24 | Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104088703B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104564344B (en) * | 2015-01-07 | 2017-10-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Compressed-air energy-storage system |
CN108266239A (en) * | 2018-03-06 | 2018-07-10 | 上海发电设备成套设计研究院有限责任公司 | A kind of Turbo-generator Set and its method of work with direct-burning heating |
CN109546670A (en) * | 2018-12-29 | 2019-03-29 | 西安西热节能技术有限公司 | A kind of air energy storage peak shaving system applied to Thermal generation unit |
CN109855079B (en) * | 2019-02-02 | 2023-11-14 | 华电电力科学研究院有限公司 | Combined cycle power peak regulation system based on steam extraction coupling heat accumulation and operation method thereof |
CN115217543A (en) * | 2019-05-26 | 2022-10-21 | 李华玉 | Combined cycle power plant |
CN110630467B (en) * | 2019-09-19 | 2020-12-15 | 东北大学 | Compressed air energy storage system and method capable of improving electricity-electricity conversion efficiency |
CN113623185B (en) * | 2020-05-08 | 2023-03-24 | 东南大学 | Natural gas pressure difference energy compressed air energy storage system |
CN112761745B (en) * | 2021-01-20 | 2022-06-03 | 中国科学院力学研究所 | Hot water energy storage system and method for thermal generator set |
CN113202574B (en) * | 2021-05-24 | 2023-01-17 | 国网浙江省电力有限公司电力科学研究院 | Peak-shaving power generation system and method by coupling compressed air energy storage |
CN113623038B (en) * | 2021-09-17 | 2023-07-11 | 西安热工研究院有限公司 | Air-steam combined cycle power generation system and method |
CN113982891B (en) * | 2021-10-25 | 2022-12-30 | 西安交通大学 | Compressed air composite energy storage system for old thermal power plant boiler transformation and operation method thereof |
CN114856735B (en) * | 2022-04-25 | 2023-11-17 | 中国能源建设集团江苏省电力设计院有限公司 | Air turbine coupling gas turbine power generation system based on compressed air energy storage |
CN114991889A (en) * | 2022-05-16 | 2022-09-02 | 中国能源建设集团广东省电力设计研究院有限公司 | Compressed air energy storage system, method, equipment and medium based on compression heat |
CN116412030B (en) * | 2023-06-07 | 2023-10-20 | 东方电气集团东方汽轮机有限公司 | Multifunctional gas turbine power generation system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000297657A (en) * | 1999-04-14 | 2000-10-24 | Ishikawajima Harima Heavy Ind Co Ltd | Electric power storage type gas turbine generator facility |
CN102518516B (en) * | 2011-12-14 | 2014-01-29 | 华北电力大学 | Integral compressed air energy storage and coal gasification power generation system and integrated power generation method |
CN102518480A (en) * | 2011-12-14 | 2012-06-27 | 华北电力大学 | Compressed air energy storage and coal-fired boiler integrated power generation system |
CN203374333U (en) * | 2013-05-10 | 2014-01-01 | 华北电力大学(保定) | Power generation system capable of stabilizing electricity peak-valley fluctuation |
CN103233820B (en) * | 2013-05-10 | 2016-06-08 | 华北电力大学(保定) | Caes and the integrated power generation system of combined cycle |
CN103410616B (en) * | 2013-08-22 | 2015-10-21 | 华北电力大学 | Large Copacity compressed-air energy storage efficient power generation system |
-
2014
- 2014-06-24 CN CN201410288773.4A patent/CN104088703B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN104088703A (en) | 2014-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104088703B (en) | Compressed air energy storage-combined cycle integration system of intercooled preheating steam turbine | |
US8839621B2 (en) | Hybrid power plant | |
CN203050805U (en) | Power generating equipment | |
CN103644004B (en) | The cogeneration system of a kind of pair of turbine, combined cycle | |
CN109322716B (en) | Gas-steam combined cycle high back pressure heat supply unit and rotor-changing non-stop combustion machine method | |
WO2015096414A1 (en) | High-pressure reheating gas-steam combined cycle power generation system and power generation method | |
CN209558305U (en) | Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant | |
CN102308065A (en) | Conversion of combined cycle power plant to compressed air energy storage power plant | |
CN103410616A (en) | High-capacity compressed air energy storage efficient power generating system | |
CN206035552U (en) | Cogeneration vapour turbine system | |
CN106194297A (en) | The double branch road heating system of a kind of cogeneration turbine | |
CN102678207B (en) | Thermodynamic system with twice reheating | |
CN106499455A (en) | Combined-cycle power plant's soda pop backheat and fuel heating integrated put forward effect system | |
CN101906996A (en) | Cogeneration system by firing coil assisted by biomass and solar energy | |
CN108119200A (en) | A kind of new bottom type back pressure heat supply steam turbine and its operation method | |
CN112856363B (en) | System and method for improving heat supply steam parameters of deep peak shaving heat supply unit | |
CN107339128A (en) | A kind of Double reheat steam turbine of ultra-high pressure cylinder in parallel | |
CN106224935A (en) | Improve the devices and methods therefor of boiler feed temperature | |
CN106437875A (en) | Thermal power generating unit working medium shunting circulation peak shaving system | |
CN201738957U (en) | Combined-type electricity generation system assisting coal burning with biomass and solar energy | |
CN206190339U (en) | Two branch road heating system of cogeneration steam turbine | |
CN113187569A (en) | Double-extraction and condensation dual-purpose system based on steam ejector and operation method | |
CN109028999A (en) | Boiler circuit | |
CN203413967U (en) | Sintering afterheat power generating system with surplus steam | |
CN206816307U (en) | A kind of new thermoelectricity decoupling therrmodynamic system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |