CN110028988A - A kind of cogeneration cooling heating system of coupled biological matter gasification and compressed-air energy storage - Google Patents
A kind of cogeneration cooling heating system of coupled biological matter gasification and compressed-air energy storage Download PDFInfo
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- CN110028988A CN110028988A CN201910279086.9A CN201910279086A CN110028988A CN 110028988 A CN110028988 A CN 110028988A CN 201910279086 A CN201910279086 A CN 201910279086A CN 110028988 A CN110028988 A CN 110028988A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of cogeneration cooling heating systems of coupled biological matter gasification and compressed-air energy storage, it is characterized in that, the cogeneration cooling heating system includes biomass gasifying furnace, First Heat Exchanger, second heat exchanger, purifying and dedusting device, biogas compressor, motor, first air compressor, third heat exchanger, second air compressor, 4th heat exchanger, air storage tank, combustion chamber, combustion gas turbine, generator, fume hot-water type absorption installation, hot water storage tank, first triple valve, 5th heat exchanger, user side heat exchanger, throttle valve, ground source heat exchanger, compressor, four-way reversing valve, second triple valve, water pump, ground heat exchanger.The present invention is generated electricity using biogas and compressed air burning driving combustion gas turbine acting, and is utilized to integrated system thermal energy step, the energy needed for providing three kinds of cool and thermal power for user.It is combined by the extra electricity of low power consumption and renewable energy, realizes cogeneration cooling heating system efficient operation, be of great significance to optimizing existing distributed energy resource system structure, reducing environmental pollution.
Description
Technical field
The present invention relates to renewable energy utilization and technical field of energy storage, more particularly, to a kind of gasification of coupled biological matter and
The cogeneration cooling heating system of compressed-air energy storage.
Background technique
Energy problem is the material base of mankind's existence concerning national economic development.With fossil energy, such as
The continuous consumption of coal, petroleum etc., the problems such as bringing a series of environmental pollution and disruption of ecological balance therewith.At the same time, with
The continuous development of social economy, the mankind also increase obviously the demand of the energy.Therefore, it on the one hand needs to supply new energy
System carries out corresponding research, to improve efficiency of energy utilization, on the other hand should increase the utilization to renewable energy, thus slow
Dependence of the solution to fossil fuel reduces the pollution to environment.
A kind of form of the cogeneration cooling heating system as distributed energy resource system, is predominantly located near user terminal, and provide
The products such as cool and thermal power, because it follows the cascade utilization principle of physical energy and chemical energy, efficiency of energy utilization is high, energy conservation and environmental protection, and
It effectively improves the reliability and safety that user energizes and receives more and more attention.Renewable energy has cleaning, can be again
It is raw, the disadvantages of advantages such as reserves are big, however there is also seasonal, fluctuation is obvious, unstability, thus by taking corresponding energy
Source is realized renewable energy using technology and is efficiently used, and efficiency of energy utilization can be greatly improved.Therefore, it is based on renewable energy
The cooling-heating treatment system in source can not only alleviate the dependence to fossil energy, can more improve and utilize effect to renewable energy
Rate.There are the biomass resources such as agricultural abundant and cereal in rural areas in our country, and geographical wide, shallow layer geothermal energy resource is rich
On the one hand richness converts biomass into biogas by high efficient energy sources supply system, improve biomass energy Resource Density；
On the other hand the geothermal energy resources constant using shallow layer geothermal energy, thus cold and hot electric load needed for being provided for user.In view of the energy
Supply system and user demand side matching properties, it may appear that the remaining or insufficient problem of cooling capacity, heat, electric power, in addition to system
Structure optimizes except adjustment, it is necessary to take into account the introducing of energy storage equipment has excrescent electric power or heat, with energy
Peak is as auxiliary, to reduce integrated system capacity and scale, realizes energy supply system efficient operation.
Currently used energy storage technology has: electric energy storage (batteries to store energy, compressed-air energy storage, flywheel energy storage, hydrogen energy storage),
Hot energy storage (fuse salt, hot water) etc..Wherein, batteries to store energy is limited by the life of storage battery, and the cost is relatively high；Flywheel storage
It is tighter requirement to be manufactured to rotor, and the cost is relatively high；Hydrogen energy storage mode energy density is higher (about 140MJ/kg), puts
The electric time is long, can stable operation, maintenance cost is lower, however that there are electrolytic hydrogen productions is relatively inefficient, and hydrogen storage safety etc. is asked
Topic.Compressed-air energy storage is suitable for large energy accumulation occasion, and there are certain requirements to geographical location, however the prior art considers to press
Contracting air is stored by artificial caisson, the scope of application of the compressed-air energy storage greatly increased, and air itself with
Place can obtain.By compressed-air energy storage, pass through bulk power grid electricity in low power consumption using the difference of bulk power grid peak valley electric power
Power drive air compressor compressed air, converts pressure-air for electric power and stores.In peak of power consumption, pressure-air is logical
It crosses air turbine or the modes such as gas turbine and fuel combustion carries out acting power generation, to meet user's electricity demanding.In addition, logical
Overcompression air, which carries out heat exchange, can further utilize its sensible heat, and whole efficiency of energy utilization is improved.Consider simple
Hot water storage tank stores compressed air sensible heat, and process flow is relatively easy, and initial cost is less, is also more and more closed
Note.
Therefore, by compressed-air energy storage, renewable energy (predominantly biomass and shallow layer geothermal energy) utilization and cool and thermal power
Co-generation system carries out effective integration, structure optimization is carried out to coupling integration system, to meet the cold and hot electricity demanding of user, further
Improve efficiency of energy utilization.
Summary of the invention
(1) technical problems to be solved
In order to solve renewable energy utilization efficiency and energy supply system and user's matching problem, main mesh of the invention
Be propose a kind of cogeneration cooling heating system of coupled biological matter gasification and compressed-air energy storage, on the one hand improve cold and hot Electricity Federation
The operational flexibility and comprehensive energy utilization efficiency of production system；On the other hand enhance the adaptability of energy supply system, reduction pair
The influence of environment.
(2) technical solution
In order to achieve the above object, the present invention provides a kind of cool and thermal powers of coupled biological matter gasification and compressed-air energy storage
Co-generation system, which is characterized in that the cogeneration cooling heating system include biomass gasifying furnace, First Heat Exchanger, the second heat exchanger,
Purifying and dedusting device, biogas compressor, motor, the first air compressor, third heat exchanger, the second air compressor,
4th heat exchanger, air storage tank, combustion chamber, combustion gas turbine, generator, fume hot-water type absorption installation, hot water storage tank,
One triple valve, the 5th heat exchanger, user side heat exchanger, throttle valve, source heat exchanger, compressor, four-way reversing valve, the two or three
Port valve, water pump, ground heat exchanger.Wherein: biomass gasifying furnace: for by the high temperature of biomass material and the second heat exchanger exit
Air participates in biomass gasification reaction together, biogas is generated, as fuel needed for subsequent gas turbine power generation；First heat exchange
Device: for being carried out using the high-temperature biomass gas waste heat from gasification of biomass outlet of still to the pressure-air that air storage tank exports
Heating, is lifted into the pressure-air temperature of combustion chamber, to improve combustion efficiency of combustion chamber；Second heat exchanger: for utilizing
The biogas waste heat exported from First Heat Exchanger preheats ambient air, and air is made to reach set temperature, thus
Improve the performance of biomass gasification reaction；Purifying and dedusting device: being handled for the biogas to the second heat exchanger exit,
Remove ash content, semicoke and the condensed water in biogas；Biogas compressor: for exporting biomass to purifying and dedusting device
Gas is compressed, and the biogas pressure demand for entering combustion chamber is met；Motor: for converting the electric power from power grid to
Mechanical work drives the first air compressor and the work of the second air compressor；First air compressor: for utilizing grid power
Ambient air is compressed, air pressure is improved；Third heat exchanger: the air preheat accumulation of heat exported using the first air compressor
On the one hand tank outlet water reduces the first air compressor outlet air temperature, on the other hand improves and enter hot water storage tank hot water
Temperature；Second air compressor: for the air using grid power compression third heat exchanger exit, air pressure is further increased
Power；4th heat exchanger: go out saliva using the air preheat hot water storage tank that the second air compressor exports, it is empty on the one hand to reduce by second
On the other hand air compressor outlet air temperature improves and enters hot water storage tank hot water temperature；Air storage tank: pass through for receiving
The cooling pressure-air of 4th heat exchanger, converts pressure-air for grid power and stores；Combustion chamber: it is used for biomass
The high temperature and pressure biogas of air compressor outlet participates in combustion reaction together with the high temperature and pressure air that First Heat Exchanger exports,
Produce high temperature and high pressure flue gas；Combustion gas turbine: entering combustion gas turbine using the high temperature and high pressure flue gas of combustor exit and do work, driving hair
Motor work；Generator: for converting electric power for mechanical work caused by combustion gas turbine, meet biogas compressor, pressure
Contracting machine, water pump and the electricity demanding of user；Fume hot-water type absorption installation: combustion gas turbine outlet high-temperature pressure flue gas and storage are utilized
Boiler outlet hot water produces chilled water or hot water as fume hot-water type absorption installation waste heat heat source, meets user's cooling capacity or heat
Amount demand；Hot water storage tank: on the one hand for store the hot water by third heat exchanger and the 4th heat exchanger exit, while the is utilized
The one further heat storage water tank water temperature of threeway valve outlet medium temperature flue gas；Another aspect hot water storage tank hot water is as fume hot-water type
Absorption installation heat source, driving fume hot-water type absorption installation produce chilled water or hot water；First triple valve: for flue gas is warm
Water type absorption installation is attached with the 5th heat exchanger, hot water storage tank；5th heat exchanger: for utilizing the first threeway valve outlet
Medium temperature flue gas the second threeway valve outlet medium temperature water, hot water needed for producing user；User side heat exchanger: under heating condition,
Normal temperature and pressure water is preheated for the high-temperature high-pressure refrigerant using compressor outlet, reaches certain set temperature；
Under cooling condition, meet the cold need of user for the cooling chilled water return water of refrigerant using throttling valve outlet to produce cooling capacity
It asks；Throttle valve: for reducing the temperature and pressure of refrigerant；Ground source heat exchanger: under heating condition, for utilizing throttle valve
Low exit temperature low pressure refrigerant absorbs the underground water heat of ground heat exchanger outlet, so that the refrigerant into compressor is dry full
And steam condition；Under cooling condition, exported for the high-temperature high-pressure refrigerant using compressor outlet with ground heat exchanger
Underground water exchanges heat, and discharges heat；Compressor: to the dry saturated steam shape from ground source heat exchanger or user side heat exchanger
State refrigerant is compressed, and superheat state is become；Four-way reversing valve: for compressor and user side heat exchanger, source
Connection between heat exchanger, is switched by four-way reversing valve, realizes two kinds of operating conditions of heat pump heating and refrigeration；Second triple valve: it uses
It is attached in by user side heat exchanger and the 5th heat exchanger, chilled water output end；Water pump: go out for improving ground source heat exchanger
The groundwater pressure of mouth；Ground heat exchanger: for exchanging heat between the underground water and soil of exit of pump.
Preferably, the First Heat Exchanger exports pressure-air using biogas high temperature heat heating air storage tank,
The air themperature for entering combustion chamber is improved, to improve biogas and high temperature and pressure air burning efficiency.
Preferably, the third heat exchanger and the 4th heat exchanger are utilized respectively the first air compressor and the compression of the second air
The air waste heat of machine outlet heats hot water storage tank water supply.
Preferably, the hot water storage tank hot water produces chilled water or heat as waste heat driving fume hot-water type absorption installation
Water.
Preferably, the fume hot-water type absorption installation exports medium temperature flue gas, passes through the first threeway under heating condition
The end valve a c is all passed through further the second threeway of the reheating valve outlet medium temperature water of the 5th heat exchanger；Pass through first under cooling condition
The end triple valve a b is all passed through hot water storage tank, exchanges heat with hot water storage tank hot water, improves hot water storage tank water temperature.
Preferably, under heating condition, warm water is all passed through by the second end triple valve a b in user side heat exchanger exit
5th heat exchanger carries out reheating；Under cooling condition, user side heat exchanger exit chilled water is whole by the second end triple valve b c
Into chilled water output end.
Preferably, bulk power grid electricity when which stores low power consumption using compressed air mode, electricity consumption
It is burnt by pressure-air and biogas in gas turbine power generation, to meet custom power demand when peak.
(3) beneficial effect
It can be seen from the above technical proposal that the invention has the following advantages:
1, the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention, sufficiently benefit
With the biomass resources such as rural area agricultural cereal abundant and shallow layer geothermal energy resource abundant, the two is subjected to depth
Integrated coupling, realizes the efficient utilization to renewable energy, reduces the dependence to fossil fuel, reduces environmental pollution.
2, the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention, passes through pressure
Contracting air energy storage mode, electric power when low power consumption is stored, and reduces bulk power grid load, is realized to bulk power grid dump power
Effective use is generated electricity, so that gas turbine unit is in peak of power consumption by pressure-air and biogas work by combustion
Efficient operation further increases system effectiveness.
3, the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention, passes through benefit
Air storage tank outlet pressure-air is heated with the high temperature sensible heat of biogas, improves and enters gas turbine group combustion chamber
Air themperature is conducive to improve gas turbine power generation efficiency, realizes the synthesis cascade utilization of biogas thermal energy.
4, the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention, using storage
Boiler stores compressed air sensible heat, the thermal energy for making full use of compression process to generate, and is the absorption machine of fume hot-water type
Group provides a part of waste heat, further increases the output of absorption installation cooling capacity or heat.
5, the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention, by changing
Become fume afterheat Land use systems, waste heat makes full use of under realizing heat supply and the two kinds of operating conditions of freezing, and meets user's Various Seasonal
Workload demand enhances the flexibility of cogeneration cooling heating system.
Detailed description of the invention
Fig. 1 is showing for the cogeneration cooling heating system of a kind of coupled biological matter gasification provided by the invention and compressed-air energy storage
It is intended to.
It is as shown in the figure: 1- biomass gasifying furnace；2- First Heat Exchanger；The second heat exchanger of 3-；4- purifying and dedusting device；5- is raw
Substance air compressor；6- motor；The first air compressor of 7-；8- third heat exchanger；The second air compressor of 9-；10- the 4th
Heat exchanger；11- air storage tank；The combustion chamber 12-；13- combustion gas turbine；14- generator；15- fume hot-water type absorption installation；
16- hot water storage tank；The first triple valve of 17-；The 5th heat exchanger of 18-；19- user side heat exchanger；20- throttle valve；21- source change
Hot device；22- compressor；23- four-way reversing valve；The second triple valve of 24-；25- water pump；26- ground heat exchanger.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and in conjunction with specific real
Example is applied, the present invention is described in more detail.
As shown in Figure 1, being the cogeneration of a kind of coupled biological matter gasification and compressed-air energy storage provided by the invention
The schematic diagram of system, the cogeneration cooling heating system include biomass gasifying furnace 1, First Heat Exchanger 2, the second heat exchanger 3, purify and remove
Dirt device 4, biogas compressor 5, motor 6, the first air compressor 7, third heat exchanger 8, the second air compressor 9,
4th heat exchanger 10, air storage tank 11, combustion chamber 12, combustion gas turbine 13, generator 14, fume hot-water type absorption installation
15, hot water storage tank 16, the first triple valve 17, the 5th heat exchanger 18, user side heat exchanger 19, throttle valve 20, source heat exchanger
21, compressor 22, four-way reversing valve 23, the second triple valve 24, water pump 25, ground heat exchanger 26.The system can be divided into two kinds
The different methods of operation, the method for operation under the method for operation and cooling condition respectively under heating condition.Every kind of method of operation includes
Two stages, respectively energy storage stage and energy discharge the stage.
In heating condition energy storage stage, which is converted by motor 6 using bulk power grid electric power when low power consumption
The first air compressor 7 and the work of the second air compressor 9 are driven for mechanical work, wherein the first air compressor 7 is normal to room temperature
Pressure air is compressed, and subsequent first air compressor, 7 outlet air enters third heat exchanger 8 and exchanges heat, cold by cooling down
But pressure-air enters the second air compressor 9 and is further compressed, and it is empty that subsequent second air compressor 9 exports high temperature and pressure
Gas enters the 4th heat exchanger 10 and cools down, and the pressure-air after being cooled enters air storage tank 11 and stored.Through
The hot water for crossing third heat exchanger 8 and the heating of the 4th heat exchanger 10 enters hot water storage tank 16 and is stored.It is released in heating condition energy
It puts the stage, biomass material enters biomass gasifying furnace 1 together with the atmospheric air by the preheating of the second heat exchanger 3 and participates in gasifying
Reaction, the high-temperature pressure biogas that biomass gasifying furnace 1 exports enter First Heat Exchanger 2, and heating air storage tank 11 exports
Pressure-air, normal pressure mesopilous organisms matter gas by cooling enters the second heat exchanger 3 and preheats to ambient air, mention
Height enters the air themperature of biomass gasifying furnace 1, to improve gasification of biomass efficiency.The life that subsequent second heat exchanger 3 exports
Substance gas enters purifying and dedusting device 4, removes ash content, semicoke and condensed water etc. in biogas.By the life of purified treatment
Substance gas enters biogas compressor 5 and is compressed, and enters together with the high temperature and pressure air preheated by First Heat Exchanger 2
Combustion reaction occurs for combustion chamber, and the high temperature and high pressure flue gas of production enters the acting of combustion gas turbine 13, is converted into electric power through generator 14,
On the one hand electric power needed for offer biogas compressor 5, compressor 22 and water pump 25, on the other hand provides required electricity for user
Power.Combustion gas turbine 13 exports high-temperature flue gas and enters fume hot-water type absorption installation 15 together with the hot water from hot water storage tank 16
Fume hot-water type absorption installation heat production water is driven, to provide required thermic load for user.Fume hot-water type by cooling
Absorption installation 15 exports medium temperature flue gas and enters the first triple valve 17, and the end ac of the first triple valve 17 is opened, the end b is closed, flue gas
It fully enters the 5th heat exchanger 18 to exchange heat with the middle warm water from the second triple valve 24, generates hot water for meeting user
Thermal load demands.5th heat exchanger 18 exports 120 DEG C or so flue gases and is discharged into atmosphere.Under heating condition, normal temperature and pressure water into
Access customer side heat exchanger 19 with successively pass through compressor 22, four-way reversing valve 23 high pressure superheater refrigerant vapour exchange heat,
Middle warm water by heating enters the second triple valve 24, and the end ab of the second triple valve 24 is opened, the end c is closed, so that medium temperature
Water enters the 5th heat exchanger 18 and exchanges heat with medium temperature flue gas.User side heat exchanger 19 by heat exchange exports refrigerant and enters section
The decompression of 20 isenthalpic throttling of valve is flowed, ground source heat exchanger 21 is subsequently entered, absorbs the water source heat from ground heat exchanger 26, warp
The ground source heat exchanger 21 for crossing heating exports refrigerant and is compressed by four-way reversing valve 23 into compressor 22, to complete
Heat pump heating circulation.
In cooling condition energy storage stage, which is converted by motor 6 using bulk power grid electric power when low power consumption
The first air compressor 7 and the work of the second air compressor 9 are driven for mechanical work, wherein the first air compressor 7 is normal to room temperature
Pressure air is compressed, and subsequent first air compressor, 7 outlet air enters third heat exchanger 8 and exchanges heat, cold by cooling down
But pressure-air enters the second air compressor 9 and is further compressed, and it is empty that subsequent second air compressor 9 exports high temperature and pressure
Gas enters the 4th heat exchanger 10 and cools down, and the pressure-air after being cooled enters air storage tank 11 and stored.Through
The hot water for crossing third heat exchanger 8 and the heating of the 4th heat exchanger 10 enters hot water storage tank 16 and is stored.It is released in cooling condition energy
It puts the stage, biomass material enters biomass gasifying furnace 1 together with the atmospheric air by the preheating of the second heat exchanger 3 and participates in gasifying
Reaction, the high-temperature pressure biogas that biomass gasifying furnace 1 exports enter First Heat Exchanger 2, and heating air storage tank 11 exports
Pressure-air, normal pressure mesopilous organisms matter gas by cooling enters the second heat exchanger 3 and preheats to ambient air, mention
Height enters the air themperature of biomass gasifying furnace 1, to improve gasification of biomass efficiency.The life that subsequent second heat exchanger 3 exports
Substance gas enters purifying and dedusting device 4, removes ash content, semicoke and condensed water etc. in biogas.By the life of purified treatment
Substance gas enters biogas compressor 5 and is compressed, and enters together with the high temperature and pressure air preheated by First Heat Exchanger 2
Combustion reaction occurs for combustion chamber, and the high temperature and high pressure flue gas of production enters the acting of combustion gas turbine 13, is converted into electric power through generator 14,
On the one hand electric power needed for offer biogas compressor 5, compressor 22 and water pump 25, on the other hand provides required electricity for user
Power.Combustion gas turbine 13 exports high-temperature flue gas and enters fume hot-water type absorption installation 15 together with the hot water from hot water storage tank 16
Fume hot-water type absorption installation is driven to produce chilled water, to provide required refrigeration duty for user.By the fume hot-water of cooling
Type absorption installation 15 exports medium temperature flue gas and enters the first triple valve 17, and the end ab of the first triple valve 17 is opened, the end c is closed, cigarette
Gas fully enters hot water storage tank 16 for the hot water in further heat storage water tank 16, and subsequent hot water storage tank exports 120 DEG C of left sides
Right flue gas is discharged into atmosphere.Under cooling condition, chilled water return water enters user side heat exchanger 19 and passes through the wet of throttle valve 20
Steam condition refrigerant exchanges heat, and wet-steam phase refrigerant suction chilled water return water heat freezes as saturated-vapor state
Agent, chilled water by cooling enter the second triple valve 24, and the end bc of the second triple valve 24 is opened, the end a is closed, thus make by
The chilled water of cooling processing enters chilled water feed end, provides refrigeration duty for user.At the same time, it is changed by the user side of heat absorption
The hot outlet saturated-vapor state refrigerant of device 19 is further compressed into height into compressor 22 by four-way reversing valve 23 and presses through
Warm status, the superheat state refrigerant that compressor 22 exports enter 21 heat release of ground source heat exchanger, heating through four-way reversing valve 23
Water source from ground heat exchanger 21, subsequently into throttle valve 20, to complete heat pump refrigeration cycle.
Through the foregoing embodiment, examples made by the present invention are only clearly expressed, and are not to implementation of the invention
The limitation of mode.For person skilled in art, other different forms can be made on above explained basis
Variation or improvement, these are all within the scope of protection of the present invention.
Claims (7)
1. a kind of cogeneration cooling heating system of coupled biological matter gasification and compressed-air energy storage, which is characterized in that the cool and thermal power
Co-generation system include biomass gasifying furnace, First Heat Exchanger, the second heat exchanger, purifying and dedusting device, biogas compression it is mechanical, electrical
Motivation, the first air compressor, third heat exchanger, the second air compressor, the 4th heat exchanger, air storage tank, combustion chamber, combustion
Gas turbine, generator, fume hot-water type absorption installation, hot water storage tank, the first triple valve, the 5th heat exchanger, user side heat exchange
Device, throttle valve, source heat exchanger, compressor, four-way reversing valve, the second triple valve, water pump, ground heat exchanger.Wherein:
Biomass gasifying furnace: for biomass material to be participated in gasification of biomass together with the high temperature air of the second heat exchanger exit
Reaction generates biogas, as fuel needed for subsequent gas turbine power generation；
First Heat Exchanger: air storage tank is exported from the high-temperature biomass gas waste heat of gasification of biomass outlet of still for utilization
Pressure-air is heated, and the pressure-air temperature of combustion chamber is lifted into, to improve combustion efficiency of combustion chamber；
Second heat exchanger: for being preheated using the biogas waste heat exported from First Heat Exchanger to ambient air,
Air is set to reach set temperature, to improve the performance of biomass gasification reaction；
Purifying and dedusting device: being handled for the biogas to the second heat exchanger exit, remove biogas in ash content,
Semicoke and condensed water；
Biogas compressor: for compressing to purifying and dedusting device outlet biogas, meet the life for entering combustion chamber
Substance atmospheric pressure demand；
Motor: the first air compressor and the second air compressor are driven for converting mechanical work for the electric power from power grid
Work；
First air compressor: for compressing ambient air using grid power, air pressure is improved；
Third heat exchanger: go out saliva using the air preheat hot water storage tank that the first air compressor exports, on the one hand reduce by first
On the other hand air compressor outlet air temperature improves and enters hot water storage tank hot water temperature；
Second air compressor: for the air using grid power compression third heat exchanger exit, air pressure is further increased
Power；
4th heat exchanger: go out saliva using the air preheat hot water storage tank that the second air compressor exports, on the one hand reduce by second
On the other hand air compressor outlet air temperature improves and enters hot water storage tank hot water temperature；
Air storage tank: pass through the cooling pressure-air of the 4th heat exchanger for receiving, convert pressure-air for grid power
It is stored；
Combustion chamber: for the high temperature of the high temperature and pressure biogas of biogas compressor outlet and First Heat Exchanger outlet is high
Pressure air participates in combustion reaction together, produces high temperature and high pressure flue gas；
Combustion gas turbine: entering combustion gas turbine using the high temperature and high pressure flue gas of combustor exit and do work, driven generator work；
Generator: for converting electric power for mechanical work caused by combustion gas turbine, meet biogas compressor, compressor,
The electricity demanding of water pump and user；
Fume hot-water type absorption installation: high-temperature pressure flue gas and hot water storage tank outlet hot water are exported as cigarette using combustion gas turbine
Gas hot-water type absorption installation waste heat heat source produces chilled water or hot water, meets user's cooling capacity or heat demand；
Hot water storage tank: on the one hand for storing the hot water by third heat exchanger and the 4th heat exchanger exit, while first is utilized
The further heat storage water tank water temperature of threeway valve outlet medium temperature flue gas；Another aspect hot water storage tank hot water is inhaled as fume hot-water type
Receipts formula unit heat source, driving fume hot-water type absorption installation produce chilled water or hot water；
First triple valve: for fume hot-water type absorption installation and the 5th heat exchanger, hot water storage tank to be attached；
5th heat exchanger: for utilizing first threeway valve outlet medium temperature flue gas the second threeway valve outlet medium temperature water, production is used
Hot water needed for family；
User side heat exchanger: under heating condition, for the high-temperature high-pressure refrigerant using compressor outlet to normal temperature and pressure water
It is preheated, reaches certain set temperature；Under cooling condition, for the cooling freezing of refrigerant using throttling valve outlet
Water return water meets the cold demand of user to produce cooling capacity；
Throttle valve: for reducing the temperature and pressure of refrigerant；
Ground source heat exchanger: under heating condition, for absorbing ground heat exchanger using throttle valve low exit temperature low pressure refrigerant
The underground water heat of outlet, so that the refrigerant into compressor is dry saturated steam state；Under cooling condition, for utilizing
The underground water that the high-temperature high-pressure refrigerant of compressor outlet is exported with ground heat exchanger exchanges heat, and discharges heat；
Compressor: the dry saturated steam state refrigerant from ground source heat exchanger or user side heat exchanger is compressed, is made
It becomes superheat state；
Four-way reversing valve: for compressor and user side heat exchanger, connection between source heat exchanger, pass through four-way reversing valve
Two kinds of operating conditions of heat pump heating and refrigeration are realized in switching；
Second triple valve: for user side heat exchanger and the 5th heat exchanger, chilled water output end to be attached；
Water pump: for improving the groundwater pressure of ground source heat exchanger exit；
Ground heat exchanger: for exchanging heat between the underground water and soil of exit of pump.
2. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
Be characterized in that, the First Heat Exchanger using biogas high temperature heat heating air storage tank export pressure-air, improve into
Enter the air themperature of combustion chamber, to improve biogas and high temperature and pressure air burning efficiency.
3. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
It is characterized in that, the third heat exchanger and the 4th heat exchanger are utilized respectively the first air compressor and the outlet of the second air compressor
Air waste heat, to hot water storage tank water supply heat.
4. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
It is characterized in that, the hot water storage tank hot water produces chilled water or hot water as waste heat driving fume hot-water type absorption installation.
5. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
It is characterized in that, the fume hot-water type absorption installation exports medium temperature flue gas, passes through the first end triple valve a c under heating condition
All it is passed through further the second threeway of the reheating valve outlet medium temperature water of the 5th heat exchanger；Pass through the first triple valve a under cooling condition
The end b is all passed through hot water storage tank, exchanges heat with hot water storage tank hot water, improves hot water storage tank water temperature.
6. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
It is characterized in that, under heating condition, warm water is all passed through the 5th by the second end triple valve a b and changes in user side heat exchanger exit
Hot device carries out reheating；Under cooling condition, user side heat exchanger exit chilled water is fully entered cold by the second end triple valve b c
Freeze water output end.
7. the cogeneration cooling heating system of a kind of coupled biological matter gasification and compressed-air energy storage according to claim 1,
It is characterized in that, bulk power grid electricity when which stores low power consumption using compressed air mode, when peak of power consumption
It is burnt by pressure-air and biogas in gas turbine power generation, to meet custom power demand.
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| CN112524841A (en) * | 2020-11-30 | 2021-03-19 | 上海发电设备成套设计研究院有限责任公司 | Heat pump energy storage system |
| CN114856735A (en) * | 2022-04-25 | 2022-08-05 | 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110849023A (en) * | 2019-11-01 | 2020-02-28 | 西安交通大学 | Combined cooling, heating and power system and method for compressed air and thermochemical coupling energy storage |
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| CN114856735A (en) * | 2022-04-25 | 2022-08-05 | 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 |
| 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 |
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