CN109268144A - A kind of cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating - Google Patents

A kind of cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating Download PDF

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Publication number
CN109268144A
CN109268144A CN201810786141.9A CN201810786141A CN109268144A CN 109268144 A CN109268144 A CN 109268144A CN 201810786141 A CN201810786141 A CN 201810786141A CN 109268144 A CN109268144 A CN 109268144A
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China
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power generation
energy storage
system
compound
refrigerating
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CN201810786141.9A
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Chinese (zh)
Inventor
蒋润花
陈佰满
左远志
杨小平
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东莞理工学院
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Priority to CN201810786141.9A priority Critical patent/CN109268144A/en
Publication of CN109268144A publication Critical patent/CN109268144A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/14Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
    • F02C6/16Gas-turbine plants having means for storing energy, e.g. for meeting peak loads for storing compressed air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/18Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/10Combined combustion
    • Y02E20/14Combined heat and power generation [CHP]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/16Mechanical energy storage, e.g. flywheels

Abstract

The present invention relates to energy technology fields, more specifically, it is related to the cooling heating and power generation system of a kind of integrated compressed-air energy storage and compound-refrigerating, there is provided the cooling heating and power generation system of a kind of integrated compressed-air energy storage and compound-refrigerating, the cooling heating and power generation system includes gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and for thermal sub-system;The gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and for thermal sub-system integrated system.The present invention provides the cooling heating and power generation system of a kind of integrated compressed-air energy storage and compound-refrigerating, pass through integrated system, improve cooling heating and power generation system off design performance, meet the demand of user's different load, and realize isolated power network, guarantee the operation of co-feeding system efficient stable, improves the comprehensive utilization of energy rate and economy of system, reduce air pollutant emission.

Description

A kind of cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating

Technical field

The present invention relates to energy technology field, more particularly, to a kind of integrated compressed-air energy storage and compound-refrigerating Cooling heating and power generation system.

Background technique

The energy is the material base that human production activity depends on for existence, is the mainstay of social and economic development, and The grand strategy goods and materials of national development.It is higher and higher to the degree of dependence of the energy as world economy continues to develop at high speed, but The problems such as energy shortage, environmental pollution, ecological degeneration, gets worse, and energy supply and demand is particularly thorny.Daily life and industrial production Used in energy utilization type not only include electricity, there are also hot and cold load.Traditional energy supplying system is generally supplied so that bulk power grid is unified Electricity, then hot and cold load is provided in a manner of point confession, energy utilization rate is low and environmental pollution is serious, it is therefore desirable to seek advanced Energy utilization technology.

The advantages that supply of cooling, heating and electrical powers technology is with energy-saving and environmental protection, energy utilization rate is high, at home and abroad attracts extensive attention.It is cold Cogeneration system has broken traditional powered mode, is dispersed near user terminal, and the synthesis step principle based on the energy is established Rise production, energy consumption system.Non-renewable energy is for driving powerplant module to generate electricity, using various heat recovery technologies using in system Various grade waste heats realize low comprehensive utilization of energy rate height, energy cost, good environmental protection and energize the targets such as safety height. A large amount of research has been obtained about cooling heating and power generation system, but due to the mobility of customer charge demand, makes cold and hot Electricity Federation For system often in variable parameter operation state, especially powerplant module, the thermal performance of system and economy is caused to deteriorate, limit The application of cooling heating and power generation system is made.In order to guarantee cooling heating and power generation system safe and highly efficient operation, consider electric energy energy storage system System is integrated with cooling heating and power generation system.

Currently, about electric energy energy storage technology include draw water energy storage, flywheel energy storage, compressed-air energy storage, super capacitor energy-storage, Superconducting magnetic energy storage, battery energy storage etc., wherein compressed-air energy storage with the limitation of at low cost, place less, the service life is long, safety and can It is received extensive attention by property height etc..Pressure-air is generally stored in sub-terrain mines by traditional extensive compressed-air energy storage The places such as the cave under well, lava, there are certain requirements geographical location, but modern compression air energy storage uses artificial air accumulator generation For solution cavity, application is more extensive, therefore, using modern compression air energy storage technology, considers compressed-air energy storage and cold and hot Electricity Federation For the system integration.When the low power consumption phase, cooling heating and power generation system generates rich electric power compressed air and is stored in pressure-air In high pressure tank;When peak times of power consumption, the insufficient electric power of user pushes turbine to do work by the pressure-air in high pressure tank Power generation meets.For further satisfaction user's refrigeration duty demand, composite refrigeration system is integrated in systems, that is, is considered lithium bromide Absorption Refrigerator and electric compression refrigerating machine are compound, and user's refrigeration duty is mainly provided by lithium-bromide absorption-type refrigerating machine, insufficient Refrigeration duty then provided by electric compression refrigerating machine, electric compression refrigerating machine is exported by gas turbine or compressed-air energy-storage system Be driven by electricity.Therefore, compressed-air energy-storage system, composite refrigeration system and cooling heating and power generation system are integrated into a new system System, can satisfy all workload demands of user, isolated power network, while can effectively improve cooling heating and power generation system peak load shifting Ability makes powerplant module be constantly in efficient design conditions operation, so that cooling heating and power generation system safe and stable operation And improve comprehensive utilization of energy rate.

Summary of the invention

The present invention in order to overcome at least one of the drawbacks of the prior art described above, provide a kind of integrated compressed-air energy storage and The cooling heating and power generation system of compound-refrigerating improves cooling heating and power generation system off design performance by integrated system, meets The demand of user's different load, and isolated power network is realized, guarantee the operation of co-feeding system efficient stable, improves the energy of system Source comprehensive utilization ratio and economy, reduce air pollutant emission.

In order to solve the above technical problems, the technical solution adopted by the present invention is that:

The cooling heating and power generation system of a kind of integrated compressed-air energy storage and compound-refrigerating is provided, the cooling heating and power generation system includes Gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and for thermal sub-system;The gas turbine Power generation sub-system, compressed-air energy storage subsystem, compound-refrigerating subsystem and for thermal sub-system integrated system, the system System includes the gas turbine being used to provide power.

The present invention provides the cooling heating and power generation system of a kind of integrated compressed-air energy storage and compound-refrigerating, by integrated Change system improves cooling heating and power generation system off design performance, meets the demand of user's different load, and realize independent electrical Net guarantees the operation of co-feeding system efficient stable, improves the comprehensive utilization of energy rate and economy of system, reduce air pollution Object discharge.

Preferably, the gas turbine power generation subsystem includes the first generator for converting function to electric energy, described First generator is connected with gas turbine.

Preferably, the compressed-air energy storage subsystem includes sequentially connected first order compressor, First Heat Exchanger, Two-stage compressor, the second heat exchanger, high pressure tank, regulating valve, third heat exchanger, the second generator of turbine;

The compressed air that first order compressor comes out enters First Heat Exchanger and is cooled, and enters back into the compression of second level compressor, from The pressure-air that second level compressor comes out flows through the second heat exchanger and is cooled, subsequently into high pressure tank;High pressure tank The pressure-air of output by adjust valve regulation air quality and pressure, into the pressure-air that third heat exchanger is heated into Enter turbine acting the second electrical power generators of driving.

Preferably, the cooling heating and power generation system includes the 4th heat exchanger, and the 4th heat exchanger is connect with turbine;Low pressure Air enters heat exchanger out from turbine and exchanges heat.

Preferably, the first order compressor and the coaxial series connection of second level compressor.

Preferably, the compound-refrigerating subsystem includes lithium-bromide absorption-type refrigerating machine for providing refrigeration duty and is used for Auxiliary provides the electric compression refrigerating machine of refrigeration duty.

Preferably, it is described for thermal sub-system include First Heat Exchanger, the second heat exchanger, the 4th heat exchanger and the 5th heat exchange Device.

Preferably, the third heat exchanger, the 5th heat exchanger are connect with gas turbine.

Preferably, the electric compression refrigerating machine is all connected with the first generator, the second generator;The electricity compression system Electric power or compressed-air energy storage the subsystem release that cold is issued by gas turbine are driven by electricity.

Preferably, it is described for thermal sub-system further include auxiliary provide thermic load boiler.

Specific working principle is as follows:

Gas turbine power generation subsystem uses natural gas for fuel, and the first electrical power generators of acting driving, meet after fuel combustion The electrical load requirement of user's electrical load requirement and driving voltage compression type refrigerating machine.

Compressed-air energy storage subsystem is connected in series by first order compressor and second level compressor, when gas turbine issues Electric power be more than electric load needed for user and when driving voltage compression type refrigerating electromechanics load, extra is driven by electricity compressor compression Air.The compressed air come out from first order compressor enters First Heat Exchanger and is cooled, and enters back into the compression of second level compressor, The pressure-air come out from second level compressor flows through the second heat exchanger and is cooled, subsequently into high pressure tank.When combustion gas wheel When the electric power that machine issues is unsatisfactory for electric load needed for user and driving voltage compression type refrigerating electromechanics load, high pressure tank output Pressure-air is by the quality and pressure of adjusting valve regulation air, and into third heat exchanger, the pressure-air being heated enters saturating The second electrical power generators of flat acting driving, electric load needed for meeting user's electrical load requirement and electric compression refrigerating machine.Into (pressure-air before is heated turbine by the partial fume that third heat exchanger is come out from gas turbine.It is come out from turbine Low-pressure air enters the 4th heat exchanger and carries out life heat needed for heat exchange provides user.

Compound-refrigerating subsystem is made of lithium-bromide absorption-type refrigerating machine and voltage compression type refrigerating machine, suction-type lithium bromide system Cold drives generation refrigeration duty to meet user demand by gas turbine sections fume afterheat, when user's refrigeration duty demand is unsatisfactory for When, electric compression refrigerating machine generates refrigeration duty as supplement.The electric power or compression that electric compression refrigerating machine is issued by gas turbine The release of air energy storage subsystem is driven by electricity.

Thermic load needed for providing user for thermal sub-system, including compressed air recycling heat, the air from turbine out Recycle heat and from lithium-bromide absorption-type refrigerating machine come out off-gas recovery heat, mainly First Heat Exchanger, the second heat exchanger, Life heat needed for 4th heat exchanger and the heat of the 4th heat exchanger recycling are supplied to user.The thermic load needed for user is not When being able to satisfy, insufficient thermic load is provided by boiler.

Compared with prior art, the beneficial effects of the present invention are:

1. integrated compressed-air energy storage provided by the invention and compound-refrigerating and cooling heating and power generation system, low power consumption phase will fire The electric power that gas-turbine issues is stored in compressed-air energy-storage system, and peak times of power consumption, it is full that compressed-air energy-storage system discharges electric energy Sufficient user demand makes the powerplant module in cooling heating and power generation system be in the operation of efficient design operating condition, improves supply of cooling, heating and electrical powers Analysis On Off-design, improves the comprehensive utilization of energy rate and economy of system, while reducing the discharge of air pollutants.

2, integrated compressed-air energy storage and compound-refrigerating and cooling heating and power generation system provided by the invention, using compound-refrigerating Refrigeration duty needed for system provides user, meets the needs of user's refrigeration duty, needs not rely on power grid, and system high efficiency is made to stablize fortune Row.

3, the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating provided by the invention, recycling compression are empty Gas, turbine come out low-pressure air and come out the heat of flue gas from lithium bromide refrigerator, make full use of the waste heat of different grades, realize The cascade utilizations of different grade waste heats, improves comprehensive utilization of energy rate.

Detailed description of the invention

Fig. 1 is the principle signal of the cooling heating and power generation system of a kind of integrated compressed-air energy storage of the present invention and compound-refrigerating Figure.

Specific embodiment

The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration, What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;Reality in order to better illustrate the present invention Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To those skilled in the art For, the omitting of some known structures and their instructions in the attached drawings are understandable.

The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention;In the description of this hair In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" for based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore describe the use of positional relationship in attached drawing Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term is understood as the case may be.

Embodiment

It is as shown in Figure 1 the implementation of a kind of integrated compressed-air energy storage of the present invention and the cooling heating and power generation system of compound-refrigerating Example, cooling heating and power generation system includes gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and confession Thermal sub-system;Gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and integrated for thermal sub-system Integral system, the system comprises the gas turbines 1 being used to provide power.

Wherein, gas turbine power generation subsystem includes the first generator 14 for converting function to electric energy, the first power generation Machine 14 and gas turbine 1 connect.

In addition, compressed-air energy storage subsystem includes sequentially connected first order compressor 3, First Heat Exchanger 4, the second level Compressor 5, the second heat exchanger 6, high pressure tank 7, regulating valve 9, third heat exchanger 10, turbine 11, the second generator 12;

The compressed air that first order compressor 3 comes out enters First Heat Exchanger 4 and is cooled, and enters back into the compression of second level compressor 5, The pressure-air come out from second level compressor 5 flows through the second heat exchanger 6 and is cooled, subsequently into high pressure tank 7;High pressure storage The pressure-air that gas tank 7 exports adjusts the quality and pressure of air, the height being heated into third heat exchanger 10 by regulating valve 9 Pressure air enters acting driving the second generator 12 power generation of turbine 11.

Wherein, cooling heating and power generation system includes the 4th heat exchanger 13, and the 4th heat exchanger 13 is connect with turbine 11;Low-pressure air It comes out from turbine 11 into heat exchanger 13 and exchanges heat.

In addition, first order compressor 3 and the coaxial series connection of second level compressor 5.

Wherein, compound-refrigerating subsystem includes lithium-bromide absorption-type refrigerating machine 17 for providing refrigeration duty and for assisting The electric compression refrigerating machine 20 of refrigeration duty is provided.

In addition, including First Heat Exchanger 4, the second heat exchanger 6, the 4th heat exchanger 13 and the 5th heat exchanger for thermal sub-system 18。

Wherein, third heat exchanger 10, the 5th heat exchanger 18 are connect with gas turbine 1.

In addition, electric compression refrigerating machine 20 is all connected with the first generator 14, the second generator 12;Electric compression refrigerating machine What 20 electric power issued by gas turbine or compressed-air energy storage subsystem discharged is driven by electricity.

In addition, it is described for thermal sub-system further include auxiliary provide thermic load boiler 21.

Specific working principle is as follows:

The system includes gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and heat supply subsystem System.Air and natural gas enter 1 work by combustion of gas turbine and drive the power generation of the first generator 14, provide required electric load (packet The electric load of electric load needed for including user and driving voltage compression type refrigerating machine).The fluctuation of the load as needed for user, causes Required electric load is less than the installed capacity of gas turbine 1 when the low power consumption phase, and whens peak times of power consumption, required electric load was greater than The installed capacity of gas turbine 1 causes cooling heating and power generation system often in variable working condition irregular operation state, system heating power Energy, economy etc. deteriorate.The present invention, will be from the first power generation in order to guarantee that 1 stability and high efficiency of gas turbine is in design conditions operation The electric energy that machine 14 obtains is converted into the interior of air and can be stored in high pressure tank 7 by low-pressure compressor 3 and high-pressure compressor 5 In, then the interior mechanical work that can be converted to by turbine 11 of pressure-air drives 12 output power of the second generator, effective use The characteristics of compressed-air energy storage subsystem peak load shifting, improves the ability of cooling heating and power generation system peak load shifting.

Compressed-air energy storage subsystem includes three processes: accumulation of energy process, thermal energy storage process and exoergic process, wherein accumulation of energy Journey and exoergic process cannot occur simultaneously.When the low power consumption phase, required electric load is lower than the electric power that the first generator 14 issues, Compressed-air energy storage subsystem is in accumulation of energy process, and first switch 2 is closed, and second switch 8 disconnects, and extra is driven by electricity low pressure Compressor 3 and high-pressure compressor 5, wherein low-pressure compressor 3 and high-pressure compressor 5 are coaxial series connection.Air is introduced into low Pressure compressor 3 enters First Heat Exchanger 4 after being compressed, and is cooled to environment temperature in First Heat Exchanger 4, calms the anger into high pressure Machine 5 is further compressed, and into environment temperature is cooled in the second heat exchanger of next stage 6, the pressure-air after being cooled enters It is stored in high pressure tank 7.When peak times of power consumption, it is negative that the electric power that the first generator 14 issues is not enough to provide required electricity Lotus, compressed-air energy storage subsystem are in exoergic process, and first switch 2 disconnects, and second switch 8 is closed, and regulating valve 9 is adjusted from height The pressure and flow of the pressure-air come out in air accumulator 7 are pressed, the electric power for releasing compressed-air energy-storage system is able to satisfy User demand.Because the pressure-air temperature come out from regulating valve 9 is equal to environment temperature, is as high pressure tank temperature Raising compressed-air energy-storage system generating efficiency, needs to be lifted into the temperature of the air of turbine 11.Third switch 16 is closed, The partial fume come out from gas turbine enters third heat exchanger 10 by regulating valve 15, and heating enters the high pressure before turbine 11 Air.Regulating valve 15 is used to adjust the flue gas flow come out from gas turbine, to reach the height adjusted before entering turbine 11 Press the purpose of air themperature.Pressure-air after being heated enters the acting of turbine 11, and the power generation of driven generator 12 meets required Electric load.The low-pressure air temperature come out from turbine 11 is greater than environment temperature, heats cold water into the 4th heat exchanger 13, provides use Thermic load needed for family, then drains into atmosphere.

Refrigeration duty needed for user is provided by compound-refrigerating subsystem, including lithium-bromide absorption-type refrigerating machine 17 and voltage contracting Formula refrigeration machine 20.The high-temperature flue gas a part come out from gas turbine 1 be used to heat the pressure-air into turbine 11, remaining Gas turbine high temperature flue gas enter lithium-bromide absorption-type refrigerating machine 17, driving lithium-bromide absorption-type refrigerating machine 17 generates cold negative Lotus, refrigeration duty needed for user is provided.When the refrigeration duty that lithium-bromide absorption-type refrigerating machine 17 generates is unsatisfactory for user demand, the Four switches 19 closure, what the electric power and compressed-air energy storage subsystem exported from the first generator 14 exported is driven by electricity voltage contracting Formula refrigeration machine 20 freezes, refrigeration duty needed for supplement meets user.The flue-gas temperature come out from lithium-bromide absorption-type refrigerating machine 17 General also 200 DEG C or so, thermic load needed for user is provided is further cooled into the 5th heat exchanger 18.

In order to more effectively utilize the low temperature exhaust heat of different grades, based on the cascade utilization principle of energy, by First Heat Exchanger 4 The cold water of heating, by cold water that the second heat exchanger 6 heats, the cold water heated by the 4th heat exchanger 13 and by the 5th heat exchanger 18 plus The cold water of heat is used to provide the life heat of user.When the shortage of heat of recycling thermic load needed for providing user, boiler 21 start to work, and generate thermic load and meet user demand, the fuel that boiler uses is natural gas.

Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention Protection scope within.

Claims (10)

1. a kind of cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating, which is characterized in that the cold and hot Electricity Federation It include gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and for thermal sub-system for system;Institute State gas turbine power generation subsystem, compressed-air energy storage subsystem, compound-refrigerating subsystem and integrated for thermal sub-system System, the system comprises the gas turbine being used to provide power (1).
2. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 1, feature exist In the gas turbine power generation subsystem includes the first generator (14) for converting function to electric energy, first power generation Machine (14) and gas turbine (1) connection.
3. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 2, feature exist In the compressed-air energy storage subsystem includes sequentially connected first order compressor (3), First Heat Exchanger (4), second level pressure Mechanism of qi (5), the second heat exchanger (6), high pressure tank (7), regulating valve (9), third heat exchanger (10), turbine (11), the second hair Motor (12);
The compressed air that first order compressor (3) comes out enters First Heat Exchanger (4) and is cooled, and enters back into second level compressor (5) it compresses, the pressure-air come out from second level compressor (5) flows through the second heat exchanger (6) and is cooled, and stores up subsequently into high pressure Gas tank (7);The pressure-air of high pressure tank (7) output adjusts the quality and pressure of air by regulating valve (9), into third The pressure-air that heat exchanger (10) is heated enters turbine (11) acting driving the second generator (12) power generation.
4. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 2, feature exist In the cooling heating and power generation system includes the 4th heat exchanger (13), and the 4th heat exchanger (13) connect with turbine (11);Low pressure Air comes out into heat exchanger (13) from turbine (11) and exchanges heat.
5. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 3, feature exist In the first order compressor (3) and second level compressor (5) coaxial series connection.
6. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 1, feature exist In the compound-refrigerating subsystem includes for providing the lithium-bromide absorption-type refrigerating machine of refrigeration duty (17) and for assisting providing The electric compression refrigerating machine (20) of refrigeration duty.
7. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 4, feature exist In described for thermal sub-system includes First Heat Exchanger (4), the second heat exchanger (6), the 4th heat exchanger (13) and the 5th heat exchanger (18);
The third heat exchanger (10) connect with gas turbine (1);5th heat exchanger (18) passes through suction-type lithium bromide system Cold (17) is connected with gas turbine (1).
8. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 5, feature exist In the electricity compression refrigerating machine (20) is all connected with the first generator (14), the second generator (12);The electricity compression system Electric power or compressed-air energy storage the subsystem release that cold (20) is issued by gas turbine are driven by electricity.
9. the cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating according to claim 6, feature exist In, it is described for thermal sub-system further include auxiliary provide thermic load boiler (21).
10. the supply of cooling, heating and electrical powers system of integrated compressed-air energy storage according to any one of claims 1 to 9 and compound-refrigerating System, which is characterized in that the cooling heating and power generation system includes the first switch (2) of Systematic selection working condition, second switch (8), third switch (16), the 4th switch (19).
CN201810786141.9A 2018-07-17 2018-07-17 A kind of cooling heating and power generation system of integrated compressed-air energy storage and compound-refrigerating CN109268144A (en)

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