CN106382161B - A kind of multiple level efficient air turbine installation using hydrogen-rich fuel - Google Patents
A kind of multiple level efficient air turbine installation using hydrogen-rich fuel Download PDFInfo
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- CN106382161B CN106382161B CN201611039445.6A CN201611039445A CN106382161B CN 106382161 B CN106382161 B CN 106382161B CN 201611039445 A CN201611039445 A CN 201611039445A CN 106382161 B CN106382161 B CN 106382161B
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- pressure
- hydrogen
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- rich fuel
- turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
Abstract
A kind of multiple level efficient air turbine installation using hydrogen-rich fuel, Partial shrinkage air and hydrogen-rich fuel enter high compression combustion chamber mixed combustion by compressor, and caused high temperature and high pressure gas driving high-pressure turbine rotates；Another part air and hydrogen-rich fuel are directly entered the mixed combustion of middle pressure burner room, and product does work into middle pressure turbine.The combustion gas that high intermediate pressure cylinder is extracted out in device enters regenerator after gas reheater, carries out pool distribution after reaching required temperature, the combustion gas that high pressure cylinder is extracted out enters intermediate pressure cylinder, and the combustion gas that intermediate pressure cylinder is extracted out enters low pressure (LP) cylinder.High pressure rotor and middle pressure rotor coaxial, the independent axle of low pressure rotor, High inter case rotating ratio low pressure rotor is high during work, and variable speed coupling is set between High inter case and low pressure rotor.Finally, the working medium of low-pressure turbine discharge, which enters in steam condenser, cools down, and is delivered in heat regenerative system and recycles.The present invention has the advantages such as pneumatic efficiency height, Multi-class propagation fuel energy, has wide market prospects.
Description
Technical field：
The present invention relates to a kind of gas-turbine device, and in particular to a kind of efficient gas-turbine dress of multiple level using hydrogen-rich fuel
Put.
Background technology：
The various energy resources Land use systems for providing clean and effective are the joint efforts targets of energy industry worker at this stage, rich
Hydrogen fuel belongs to clean energy resource, and pollution is low, and flame propagation speed during burning, calorific value is low, and ignition temperature is high, it can be ensured that higher
Fuel gas inlet temperature, improve unit efficiency.Therefore, recent domestic has begun to combustion gas wheel of the research and development using hydrogen-rich fuel
Machine device, by making full use of hydrogen-rich fuel, such as hydrogen, natural gas, catalytic pyrolysis of biomass gas or tail coal pyrolysis gas, it can enter
One step lifts economic benefit.
Resuperheat technology is to improve the effective ways of unit efficiency, is heated again by the way that high-pressure working medium is drawn,
Subsequently into continuing to do work in middle pressure or low pressure (LP) cylinder, so as to lift working medium acting ability, this technology is usually used in overcritical firepower hair
Group of motors.And alternative regenerative cycle is usually used in gas turbine, the exhaust after being done work by the use of turbine is heated as thermal source enters combustion
Burn the pressure-air of room, extraction cycle compares the decline of simple cycle delivery temperature, intake air temperature rise, can obtain and higher is
System efficiency, has been achieved with extensive use at present.
Common Steam Turbine sets multistage cylinder to carry out energy multi-level utilization, and each cylinder rotor is coaxial, and rotating speed is identical.So
And high intermediate pressure cylinder runtime infrastructure small volume under higher rotation speed, and optimum speed ratio is disclosure satisfy that, reach higher high pressure
Cylinder operational efficiency.Therefore, high pressure rotor and middle pressure rotor coaxial are taken, the scheme of the independent axle of low pressure rotor is further lifted
Unit efficiency, has certain construction value.
The content of the invention：
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of efficient using the multiple level of hydrogen-rich fuel
Gas-turbine device, it is mainly used in the hi-temp hi-effective gas turbine system that power grade is up to 55% for 20-50MW, the thermal efficiency.Dress
Burning hydrogen-rich fuel is put, inlet temperature is up to 1500 DEG C, and pneumatic efficiency is high, Multi-class propagation fuel energy, before having wide application
Scape.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that to realize：
A kind of multiple level efficient air turbine installation using hydrogen-rich fuel, including motor, hydrogen-rich fuel compressor, sky
Air compressor, combustion chamber, high-pressure turbine, middle pressure turbine, low-pressure turbine, variable speed coupling, steam condenser, reheating and backheat system
System and generator；Wherein,
The high pressure rotor of high-pressure turbine and the middle pressure rotor coaxial of middle pressure turbine are set, the middle pressure rotor of middle pressure turbine with it is low
The low pressure rotor of pressure turbine is connected by variable speed coupling, during work in pressure rotor speed be higher than rotational speed of lower pressure turbine rotor, air pressure
Contracting machine and hydrogen-rich fuel compressor drive work by motor, and air compressor is provided with free-air diffuser, hydrogen-rich fuel
Compressor is provided with hydrogen-rich fuel air intake duct, and high-pressure turbine and middle pressure turbine are driven after hydrogen-rich fuel and compressed air mixed combustion
Rotate, the Some gases that the device is extracted out in high-pressure turbine and middle pressure turbine enter reheating and heat regenerative system, then, pass through successively
High, intermediate pressure cylinder combustion gas is merged in low pressure (LP) cylinder with the combustion gas in reheating and heat regenerative system, and driving low-pressure turbine rotates, discharge
Exhaust steam successively through steam condenser, reheating and heat regenerative system, be eventually returned to combustion chamber.
Further improve of the invention is：Hydrogen-rich fuel is hydrogen, natural gas, catalytic pyrolysis of biomass gas or tail coal heat
Vent one's spleen.
Further improve of the invention is：Combustion chamber is divided into hydrogen-rich fuel high compression combustion chamber and hydrogen-rich fuel middle pressure burner
High-temperature high-pressure fuel gas caused by room, hydrogen-rich fuel high compression combustion chamber and the burning of hydrogen-rich fuel middle pressure burner room respectively enter high pressure whirlpool
Done work in wheel and middle pressure turbine, control the inlet temperature of high-pressure turbine and middle pressure turbine.
Further improve of the invention is：Reheating and heat regenerative system include gases at high pressure reheater, high-pressure extraction device, in
Gas reheater and middle pressure regenerator are pressed, the combustion gas part that high pressure cylinder is extracted out is returned after gases at high pressure reheater into high pressure
Hot device, another part are directly entered intermediate pressure cylinder, and the combustion gas into gases at high pressure reheater and high-pressure extraction device by reheating and is returned
Enter intermediate pressure cylinder after heat；The combustion gas part that intermediate pressure cylinder is extracted out presses regenerator in entering after medium pressure gas reheater, another
Part, which is directly entered in low pressure (LP) cylinder, drives low-pressure turbine to rotate, and the combustion gas into medium pressure gas reheater and middle pressure regenerator is passed through
Enter low pressure (LP) cylinder after reheating and backheat.
Compared with prior art, the present invention has following beneficial effect：
Advantage of the invention by successfully integrating existing mature technology, reformed AHP is carried out for gas turbine system, has been carried
A kind of multiple level efficient air turbine installation using hydrogen-rich fuel is gone out, hydrogen, natural gas, catalytic pyrolysis of biomass gas can be used
Or the hydrogen-rich fuel such as tail coal pyrolysis gas.Hydrogen-rich fuel belongs to clean energy resource, and pollution is low, flame propagation speed during burning, calorific value
Low, ignition temperature is high.The arrangement achieves fuel energy Multi-class propagation, largely improves gas-turbine unit efficiency.Work
When making, air compressor and hydrogen-rich fuel compressor are provided with air intake duct, and a part of compressed air and hydrogen-rich fuel pass through air inlet
Road enters hydrogen-rich fuel high compression combustion chamber mixed combustion, and high temperature and high pressure gas driving high-pressure turbine rotates caused by combustion chamber；Separately
A part of compressed air and hydrogen-rich fuel are directly entered the room mixed combustion of hydrogen-rich fuel middle pressure burner, and product, which enters in intermediate pressure cylinder, to be driven
Dynamic middle pressure turbine rotates, and combustion chamber is divided into two parts, is precisely controlled the inlet temperature of high pressure and middle pressure turbine, improves the thermal efficiency.
Device is but eliminated the heat exchange loss of gas-combustion heating steam in combined cycle, is utilized hydrogen-rich by the way of similar combined cycle
High-temperature vapour caused by fuel combustion directly drives gas-turbine, can ensure high inlet temperature (reaching 1500 DEG C), thereby, it is ensured that
The higher thermal efficiency.The combustion gas part that device high pressure cylinder is extracted out enters high-pressure extraction device after gases at high pressure reheater,
Another part is directly entered intermediate pressure cylinder, and the combustion gas into gases at high pressure reheater and high-pressure extraction device is laggard by reheating and backheat
Enter intermediate pressure cylinder；The combustion gas part that intermediate pressure cylinder is extracted out presses regenerator in entering after medium pressure gas reheater, and another part is straight
Tapping into low pressure (LP) cylinder drives low-pressure turbine to rotate, into medium pressure gas reheater and middle pressure regenerator combustion gas by reheating and
Enter low pressure (LP) cylinder after backheat, two-stage gas reheating and heat regenerative system can accurately control reheating and backheat temperature, and further carry
High system effectiveness.Entered by the working medium of low pressure (LP) cylinder discharge in steam condenser and cooled down, then backheat system is delivered to by condenser tubes
Recycled in system.High pressure rotor and middle pressure rotor coaxial, the independent axle of low pressure rotor, High inter case rotating ratio during work
Low pressure rotor is high, and variable speed coupling is set between High inter case and low pressure rotor, realizes the energy multi-level profit of hydrogen-rich fuel
With, and high intermediate pressure cylinder is run under higher rotation speed, meet optimum speed ratio.This is designed to be obviously improved high intermediate pressure cylinder fortune
Line efficiency, meanwhile, the higher rotation speed of high intermediate pressure cylinder can also make its piece volumes smaller, manufacture install convenient.
Therefore, the present invention is high with the thermal efficiency, Multi-class propagation fuel energy, the advantages such as fuel range is wide.The gas-turbine fills
To put and use hydrogen-rich fuel, small volume, cost is low, and power is between 20MW-50MW, suitable for electricity generation system and power cycle,
With extremely wide market prospects.
Brief description of the drawings：
Fig. 1 is a kind of system diagram of multiple level efficient air turbine installation using hydrogen-rich fuel of the invention.
Fig. 2 is a kind of multiple level efficient air turbine installation rotor portion schematic diagram using hydrogen-rich fuel of the invention.
In Fig. 1,1- hydrogen-rich fuel air intake ducts, 2- free-air diffusers, 3- motors, 4- hydrogen-rich fuel compressors, 5- skies
Air compressor, 6- hydrogen-rich fuel high compression combustion chambers, 7- hydrogen-rich fuel middle pressure burners room, 8- pressure turbines, 9- middle pressure turbines,
10- variable speed couplings, 11- low-pressure turbines, 12- generators, 13- gases at high pressure reheaters, 14- high-pressure extraction devices, calm the anger in 15-
Body reheater, regenerator, 17- steam condensers are pressed in 16-.
Embodiment：
The invention will be further described below in conjunction with the accompanying drawings.
Reference picture 1, a kind of multiple level efficient air turbine installation using hydrogen-rich fuel of the invention, including motor 3, richness
Hydrogen fuel compressor 4, air compressor 5, hydrogen-rich fuel high compression combustion chamber 6, hydrogen-rich fuel middle pressure burner room 7, high-pressure turbine 8,
Middle pressure turbine 9, low-pressure turbine 11, variable speed coupling 10, steam condenser 17, gases at high pressure reheater 13, high-pressure extraction device 14,
Medium pressure gas reheater 15, middle pressure regenerator 16 and generator 12；Wherein, the high pressure rotor of high-pressure turbine (8) and middle pressure whirlpool
The middle pressure rotor coaxial for taking turns (9) is set, and the middle pressure rotor of middle pressure turbine (9) passes through speed change with the low pressure rotor of low-pressure turbine (11)
Shaft coupling (10) connects, during work in pressure rotor speed be higher than rotational speed of lower pressure turbine rotor, realize the energy multi-level utilization of hydrogen-rich fuel,
And high intermediate pressure cylinder is run under higher rotation speed, meet optimum speed ratio.Air compressor 5 and hydrogen-rich fuel compressor 4 by
Motor 3 drives, and is respectively equipped with free-air diffuser 2 and hydrogen-rich fuel air intake duct 1, a part of compressed air and hydrogen-rich combustion thereon
Material enters the mixed combustion of hydrogen-rich fuel high compression combustion chamber 6 by air intake duct, and high temperature and high pressure gas caused by combustion chamber drive high pressure
Turbine 8 rotates；Another part air and hydrogen-rich fuel are directly entered the mixed combustion of hydrogen-rich fuel middle pressure burner room 7, and product enters
Middle pressure turbine 9 is driven to rotate in intermediate pressure cylinder.The He of gases at high pressure reheater 13 is passed through in the combustion gas that high intermediate pressure cylinder is extracted out in device respectively
Enter high-pressure extraction device 14 and middle pressure regenerator 16 after medium pressure gas reheater 15, pool distribution carried out after reaching required temperature,
The combustion gas that high pressure cylinder is extracted out enters intermediate pressure cylinder, and the combustion gas that intermediate pressure cylinder is extracted out enters low pressure (LP) cylinder, and gas reheating and heat regenerative system enter one
Step improves system effectiveness.This is designed to be obviously improved high intermediate pressure cylinder operational efficiency, meanwhile, the higher rotation speed of high intermediate pressure cylinder is also
Its piece volumes can be made smaller, manufacture install convenient.Combustion gas after high intermediate pressure cylinder does work enters in low pressure (LP) cylinder, in low pressure
Further acting driving generator 12 rotates in cylinder, is entered by the working medium of low pressure (LP) cylinder discharge in steam condenser 17 and cooled down, then by
Condenser tubes are delivered in heat regenerative system and recycled.
Wherein, hydrogen-rich fuel is hydrogen, natural gas, catalytic pyrolysis of biomass gas or tail coal pyrolysis gas.Hydrogen-rich fuel belongs to
Clean energy resource, pollution is low, and flame propagation speed during burning, calorific value is low, and ignition temperature is high, improves economic effect during operation
Benefit.
The present invention but eliminates the heat exchange damage of gas-combustion heating steam in combined cycle by the way of similar combined cycle
Lose, using hydrogen-rich fuel burn caused by high-temperature vapour directly drive gas-turbine, can ensure that high inlet temperature (reaches 1500
DEG C), it is ensured that the higher thermal efficiency.
Reference picture 2, give multi-stage, efficient gas-turbine device variable speed coupling and turbine and electricity using hydrogen-rich fuel
The armature spindle schematic diagram of machine.Variable speed coupling 10 is connected to the higher High inter case axle of rotating speed and the relatively low low pressure rotor of rotating speed
Axle and motor shaft, the energy multi-level for realizing hydrogen-rich fuel utilizes, and high intermediate pressure cylinder is run under higher rotation speed, meets
Optimum speed ratio, it is obviously improved high intermediate pressure cylinder operational efficiency.Meanwhile the higher rotation speed of high intermediate pressure cylinder can also make its piece volumes compared with
It is small, manufacture install convenient.
Claims (3)
- A kind of 1. multiple level efficient air turbine installation using hydrogen-rich fuel, it is characterised in that：Including motor (3), hydrogen-rich Fuel compressor (4), air compressor (5), combustion chamber, high-pressure turbine (8), middle pressure turbine (9), low-pressure turbine (11), speed change Shaft coupling (10), steam condenser (17), reheating and heat regenerative system and generator (12)；Wherein,The high pressure rotor of high-pressure turbine (8) is set with the middle pressure rotor coaxial of middle pressure turbine (9), and the middle pressure of middle pressure turbine (9) turns Son be connected with the low pressure rotor of low-pressure turbine (11) by variable speed coupling (10), during work in pressure rotor speed higher than low pressure turn Rotor speed, air compressor (5) and hydrogen-rich fuel compressor (4) drive work, air compressor (5) by motor (3) Free-air diffuser (2) is provided with, hydrogen-rich fuel compressor (4) is provided with hydrogen-rich fuel air intake duct (1), and hydrogen-rich fuel and compression are empty High-pressure turbine (8) and middle pressure turbine (9) is driven to rotate after gas mixed combustion, the device is extracted out in high-pressure turbine and middle pressure turbine Some gases enter reheating and heat regenerative system, then, successively through the combustion in too high, intermediate pressure cylinder combustion gas and reheating and heat regenerative system Gas is merged in low pressure (LP) cylinder, and driving low-pressure turbine (11) rotates, and the exhaust steam of discharge through steam condenser (17), reheating and is returned successively Hot systems, it is eventually returned to combustion chamber；Combustion chamber is divided into hydrogen-rich fuel high compression combustion chamber (6) and hydrogen-rich fuel middle pressure burner room (7), hydrogen-rich fuel high compression combustion chamber (6) and high-temperature high-pressure fuel gas caused by the burning of hydrogen-rich fuel middle pressure burner room (7) respectively enter high-pressure turbine (8) and middle pressure turbine (9) done work in, the inlet temperature of control high-pressure turbine (8) and middle pressure turbine (9).
- A kind of 2. multiple level efficient air turbine installation using hydrogen-rich fuel according to claim 1, it is characterised in that：It is rich Hydrogen fuel is hydrogen, natural gas, catalytic pyrolysis of biomass gas or tail coal pyrolysis gas.
- A kind of 3. multiple level efficient air turbine installation using hydrogen-rich fuel according to claim 1, it is characterised in that：Again Heat and heat regenerative system include gases at high pressure reheater (13), high-pressure extraction device (14), medium pressure gas reheater (15) and in push back Hot device (16), the combustion gas part that high pressure cylinder is extracted out enter high-pressure extraction device (14) after gases at high pressure reheater (13), separately A part is directly entered intermediate pressure cylinder, and the combustion gas into gases at high pressure reheater (13) and high-pressure extraction device (14) by reheating and is returned Enter intermediate pressure cylinder after heat；The combustion gas part that intermediate pressure cylinder is extracted out presses regenerator in entering after medium pressure gas reheater (15) (16), another part be directly entered in low pressure (LP) cylinder drive low-pressure turbine (11) rotate, into medium pressure gas reheater (15) and in The combustion gas of pressure regenerator (16) enters low pressure (LP) cylinder after reheating and backheat.
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| CN201611039445.6A CN106382161B (en) | 2016-11-21 | 2016-11-21 | A kind of multiple level efficient air turbine installation using hydrogen-rich fuel |
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| CN201611039445.6A CN106382161B (en) | 2016-11-21 | 2016-11-21 | A kind of multiple level efficient air turbine installation using hydrogen-rich fuel |
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| CN106382161A CN106382161A (en) | 2017-02-08 |
| CN106382161B true CN106382161B (en) | 2018-01-19 |
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| CN108590857B (en) * | 2018-04-17 | 2022-05-13 | 章礼道 | Heavy gas turbine with variable speed synchronous motor driving compressor |
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| CN102042090A (en) * | 2009-10-16 | 2011-05-04 | 通用电气公司 | Reheat gas turbine |
| CN102061947A (en) * | 2009-11-10 | 2011-05-18 | 通用电气公司 | Method and system for reducing the impact on the performance of a turbomachine operating an extraction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9353682B2 (en) * | 2012-04-12 | 2016-05-31 | General Electric Company | Methods, systems and apparatus relating to combustion turbine power plants with exhaust gas recirculation |
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2016
- 2016-11-21 CN CN201611039445.6A patent/CN106382161B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042090A (en) * | 2009-10-16 | 2011-05-04 | 通用电气公司 | Reheat gas turbine |
| CN102061947A (en) * | 2009-11-10 | 2011-05-18 | 通用电气公司 | Method and system for reducing the impact on the performance of a turbomachine operating an extraction system |
| CN202483640U (en) * | 2012-03-07 | 2012-10-10 | 华北电力大学 | Solar assist coal thermal power generation based on boiler |
| CN103375256A (en) * | 2012-04-12 | 2013-10-30 | 通用电气公司 | Systems and apparatus relating to combustion turbine engines with exhaust gas recirculation |
| CN104110309A (en) * | 2014-07-02 | 2014-10-22 | 北京航空航天大学 | Intercooling or intercooling recuperating layout for aero-engine |
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