CN107044306A - The change system generated electricity suitable for rural carbon dioxide recycle - Google Patents
The change system generated electricity suitable for rural carbon dioxide recycle Download PDFInfo
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- CN107044306A CN107044306A CN201710252425.5A CN201710252425A CN107044306A CN 107044306 A CN107044306 A CN 107044306A CN 201710252425 A CN201710252425 A CN 201710252425A CN 107044306 A CN107044306 A CN 107044306A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/006—Auxiliaries or details not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/32—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or overcritical pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Photovoltaic Devices (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The change system generated electricity suitable for rural carbon dioxide recycle, mainly includes biomass stove CO2Energy storage equipment, solar energy CO2Energy storage equipment, stable current regulator, liquid CO2Storage tank, CO2It is pumped by device, turbine/piston expansion engine, generator, regenerator, cooler and compressor, the solar energy CO2Energy storage equipment includes light harvesting CO2Energy storage equipment and lens energy-gathering device.The present invention have can nearby using measure big renewable biomass resources in rural area and solar energy be the energy and it is stable, from low, the investment low advantage of low, operating cost that consumes energy.
Description
Technical field
The present invention relates to low-carbon and energy technology field, more particularly to one kind solar energy is utilized using carbon dioxide as working medium
And/or biomass is the change system that rural carbon dioxide recycle generates electricity that is adapted to of the energy.
Background technology
One of the problem of climate change has turned into influence human survival and development, and substantial amounts of CO2 emission is considered as
It is to cause the main cause of climate warming, China is as developing country maximum in the world, the primary energy based on coal
With the secondary energy sources structure based on thermal power generation, with increasing rapidly for economic total volume, the CO of primary energy and secondary energy sources2
Discharge, which has, increases the characteristics of fast, total amount is big, for reply climate change development low-carbon energy especially regenerative resource and new energy
Source turns into the common recognition of people, and biomass power generation, solar power generation and supercritical carbon dioxide generating etc. has been received significant attention.
Today, biomass generation ripe application, but because existing biomass power generation system is huge, invest also very
Height, is unsuitable for the vast and scattered rural area in region, and the unsuitable long distance transportation of cost of transportation problem, causes substantial amounts of biology in addition
The matter such as abandoned such as stalk, straw or on-site incineration, severe contamination environment also influence airflight safety, although governments at all levels
Check supervisor severely in accordance with the law every year, but in the rural area of the electricity charge still expensive or even short of electricity, substantial amounts of biomass is dirty by the big region of on-site incineration
The event of dye air impact aviation safety still remains incessant after repeated prohibition.Trace it to its cause and be the absence of one kind and be adapted to vast rural biomass fermentation
Method for electrically.And on the other hand, invest all kinds of middle-size and small-size coal-fired fluidized bed furnaces, grate furnace, layer that only thousands of members are not waited to hundreds thousand of members
Burner and improved fluidized bed furnace using high-sulfur bone coal as fuel are generally used on vast rural area or even small towns county town.
And the more traditional heat energy power-generating system of the supercritical carbon dioxide electricity generation system got up with CCS technology application developments
Significant advantage is shown in terms of system thermal efficiency, gross weight and floor space, pollutant emission, but is above remained all in application
Many bottlenecks, are answered first, existing its high-performance heat exchanger of supercritical carbon dioxide electricity generation system is supercritical generating system engineering
Basis, is objectively required with high-performance heat exchanger equipressure heating carbon dioxide working medium, therefore, existing supercritical carbon dioxide examination
The heat exchange for testing loop uses printed circuit platelet heat exchangers mostly（PCHE）, it is applied to elevated operating temperature and high workload pressure
Power, and with good extended capability, can the isobaric requirement for heating carbon dioxide working medium of satisfactions heat exchanger, but mechanism complexity,
Investment is big；Second, existing supercritical carbon dioxide electricity generation system includes thermal source, high speed turbine, high-speed engine, high ram compression
Mechanism of qi, cooler etc., its cyclic process are that supercritical carbon dioxide boosts through compressor --- with heat exchanger equipressure heating dioxy
Changing carbon working medium, --- working medium enters turbo turbine acting drive motor generating --- working medium enters cooler --- and entered again
Enter compressor formation closed cycle, system investments are big；Third, existing supercritical carbon dioxide Brayton cycle requires compressor
Parameter is near critical point, reduces heat exchange difference, during its compressor compresses work done during compression still account for the 30% of turbine output with
On, work done during compression still accounts for the compressor power consumption certainly of 40% to the 50% of turbine output, i.e. system in the compression process of practice
It is still higher；Furthermore, the high efficiency of its system circulation need to be set up in cooler outlet i.e. compressor suction inlet（Loop start）Two
Carbonoxide is still in 32 DEG C, the critical point of 7.4MPa supercriticalities, supercritical carbon dioxide operation of electric power system state control
Difficulty processed is big, it is still necessary to carry out control research.Obviously, existing supercritical CO2Power generation technology scheme is not appropriate for China
Rural area.
In terms of using solar power generation, the solar power system ripe application using water as working medium, with CO2For working medium
Solar power system technological staff both domestic and external also carried out substantial amounts of research, the more ripe solar energy collection of use
Hot systems scheme is one or a combination set of trough type solar heat-collector, tower type solar heat collector, disk type solar collector, but
Such scheme is difficult to solve in the presence of three basic problems, first, occupied ground is big, investment is big, and solar thermal collection system is built
If the selection to site requires high, general rural site can not meet the requirement for building solar thermal collection system, moreover, existing
Solar thermal collection system large space it is big to ecology influence；Second, can only generate electricity daytime, be to stop in the evening, therefore, there is research
Person provides the technical scheme for leaving evening generating for the material accumulation of heat such as fused salt daytime, but with the material such as substantial amounts of fused salt accumulation heat
No matter the first investment of energy scheme and feasibility, potential safety hazard and ring are certainly existed for rural environment and peopleware
Border pollution hidden trouble；The third is supplying the turbine of supercritical carbon dioxide electricity generation system with intensity of sunshine and the sunshine movement on daytime
The temperature and pressure change of the supercritical carbon dioxide of machine, causes output electric energy and voltage, current fluctuation big, excessive overfrequency it is defeated
Go out electric energy and pole is unfavorable for household electricity and productive power by voltage, the fluctuation of electric current.Existing all kinds of utilization solar power generations
Method is mismatched with the big multipole of wide rural situation.
In consideration of it, in the urgent need to develop it is a kind of be adapted to rural situation, beneficial to the overcritical of wide rural energy-saving and emission-reduction
The method that CO2 generates electricity.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of can utilize nearby in rural area and measure big renewable biomass
Resource and solar energy be the energy and it is stable, from consume energy it is low, invest low, operating cost it is low be adapted to rural titanium dioxide
The change system that carbon cycle generates electricity.
The technical solution adopted for the present invention to solve the technical problems is：Generated electricity suitable for rural carbon dioxide recycle
Change system, mainly includes liquid CO2Storage tank, CO2It is pumped by device, biomass stove CO2Energy storage equipment, solar energy CO2Accumulation of energy
Device, stable current regulator, turbine/piston expansion engine, generator, regenerator, cooler and compressor, the solar energy
CO2Energy storage equipment includes light harvesting CO2Energy storage equipment and lens energy-gathering device, the liquid CO2The outlet of storage tank and CO2High-pressure pump
The import of device is sent to be connected, the CO2Be pumped by the outlet of device respectively with light harvesting CO2Energy storage equipment import, biomass stove
CO2Energy storage equipment import is connected, the light harvesting CO2Energy storage equipment outlet is connected with lens energy-gathering device import, the lens
Energy-gathering device outlet, biomass stove CO2Energy storage equipment outlet respectively with stable current regulator inlet communication, the stable current regulator goes out
Mouth and turbine/piston expansion engine inlet communication, the turbine/piston expansion engine are connected with generator shaft, the whirlpool
Turbine/piston expansion engine outlet and regenerator low-pressure fluid inlet communication, the regenerator low pressure fluid output and cooler
Inlet communication, the inlet communication of the cooler outlet and compressor, the compressor outlet respectively with liquid CO2Storage tank enters
Mouthful, regenerator high-pressure fluid inlet communication, the regenerator high pressure fluid output respectively with light harvesting CO2Energy storage equipment import, life
Material stove CO2Energy storage equipment import is connected.System supercritical CO2Fluid pressure is stable in certain pressure scope, can close
CO2It is pumped by device, supercritical CO2Fluid realizes CO in the presence of compressor2Circulating generation.
Further, described biomass stove CO2Energy storage equipment is through CO2Be pumped by device and/or compressor feeding
CO2It is close that 700 DEG C~1500 DEG C high temperature heats that biomass fuel combustion discharges in direct organism-absorbing matter stove are converted into high accumulation of energy
The hot supercritical CO of high pressure of degree2The device of fluid.Described biomass stove CO2Energy storage equipment mainly includes biomass stove and set
The CO being placed in biomass stove2Accumulating mechanism；Described biomass stove refers to using biomass such as stalk straw branches and leaves as fuel
Stove, including cottar's family expenses fluidized bed furnace and/or grate furnace and/or grate furnace etc.；Described CO2Accumulating mechanism contains heat exchange
Device.Described biomass stove CO2Energy storage equipment can use for two sets of more parallels.
Further, described solar energy CO2Energy storage equipment is through CO2It is pumped by the CO of device and/or compressor feeding2
In light harvesting CO2Energy storage equipment is absorbed after the daylight heat energy of 80 DEG C~300 DEG C of accumulation, continues to absorb convex lens into lens energy-gathering device
300 DEG C~800 DEG C high temperature heats that mirror sunlight focusing is produced, are converted into the hot supercritical CO of high pressure of high energy storage density2Fluid
Device.
Further, described light harvesting CO2Energy storage equipment mainly includes support I, middle temperature accumulating mechanism, reflecting mechanism, check
Valve I, regulating valve I and safety valve I, the middle temperature accumulating mechanism are fixed on support I, and the reflecting mechanism is arranged on support I week
Enclose, the reflecting mechanism assembles solar energy to the light-collecting surface of middle temperature accumulating mechanism, and the non-return valve I is arranged at light harvesting
CO2Energy storage equipment porch；The lens energy-gathering device mainly includes support II, high temperature accumulating mechanism, convex lens mechanism, check
Valve II, regulating valve II and safety valve II, the high temperature accumulating mechanism are fixed on support II, and the convex lens mechanism is arranged on branch
Around frame II, the convex lens mechanism focuses to solar energy on the caustic surface of high temperature accumulating mechanism, the regulating valve II, peace
Full valve II is arranged at lens energy-gathering device exit；The light harvesting CO2The outlet of energy storage equipment and the import of lens energy-gathering device
It is connected by regulating valve I, non-return valve II, the safety valve I is arranged at light harvesting CO2Energy storage equipment exit；The light harvesting CO2
Energy storage equipment and lens energy-gathering device are concentrated at one and placed or separated.
Further, described middle temperature accumulating mechanism, high temperature accumulating mechanism are heat exchanger.
Further, described light harvesting CO2Energy storage equipment is additionally provided with heat-storing material and heat-barrier material, the middle temperature accumulating mechanism
It is arranged in heat-storing material, the non-light-collecting surface of the middle temperature accumulating mechanism is coated by heat-barrier material.
Further, described lens energy-gathering device is additionally provided with heat-storing material and heat-barrier material, and the high temperature accumulating mechanism is set
Put in heat-storing material, the non-concentrating face of the high temperature accumulating mechanism is coated by heat-barrier material.
Further, described solar energy CO2Energy storage equipment is that two sets of more parallels are used.
Further, described stable current regulator is by biomass stove CO2Energy storage equipment and solar energy CO2Energy storage equipment is produced
The different heat densities of fluctuation and/or different temperatures the hot CO of high pressure2Fluid is adjusted to isobaric hot supercritical CO2Fluid
Device.
Further, the stable current regulator includes stable current regulator body, water conservancy diversion mixed organization, inlet ductwork and outlet
Road；The water conservancy diversion mixed organization is arranged in stable current regulator body, and the inlet ductwork and export pipeline are arranged at current stabilization
On on the outside of governor body；The inlet ductwork and biomass stove CO2Energy storage equipment, solar energy CO2The outlet of energy storage equipment connects
Connect；The export pipeline is connected with the import of turbine/piston expansion engine.
Further, described regenerator is box type heat-exchanger and/or heat-exchangers of the plate type and/or disk type heat exchanger
And/or spiral wound tube type heat exchanger and/or tubular heat exchanger, working media is supercritical CO2Fluid.Regenerator is warp
Supercritical CO under cooler, the normal temperature of compressor outflow2Fluid and turbine/piston expansion engine outlet outflow with waste heat
Supercritical CO2Fluid carries out entering CO after sufficient heat exchange2Energy storage equipment accumulation of energy, further improves the generating effect of change system
Rate.
Further, described biomass fuel fluidized bed furnace and/or grate furnace and/or grate furnace can suitably be subject to profit because of feelings
With.
The technical principle and technical advantage of the present invention：
1）To adapt to the energy condition of vast rural environments change, with the biomass stove for being easily achieved cleaning burning of Low investment,
Setting biomass stove CO is transformed into using biomass fuel energy such as the stalk straw branches and leaves largely produced2Energy storage equipment is efficient
Obtain the high temperature energy that biomass is produced；For the sun changed using wide rural area with the natural physical features of longitude and latitude with the division of day and night in season
Can, the light harvesting CO of complete configuration is set2Energy storage equipment and lens energy-gathering device obtain the high temperature energy that solar energy is produced；In this way,
It can suit measures to local conditions, and under minimum investment, meet supercritical CO2High temperature energy condition needed for circulating generation.
2）Liquid CO is set2Holding vessel, and with the high pressure pumping apparatus conveying liquid CO of low-power, low energy consumption2In holding vessel
CO2, to meet the undesirable economic environment condition requirement that vast outlying rural area is poor, and it is greatly reduced in production run
From consuming electric power.
3）Utilize CO2Characteristic, set directly-heated type CO2Energy storage equipment, with CO2Supercritical CO in energy storage equipment2Fluid
For working medium, accumulation different temperatures, the heat energy of different heat force intensities are directly absorbed, directly by supercritical CO2Liquid turns are difference
The hot supercritical CO of the high pressure of energy storage density2Fluid, though the simple accumulation of energy speed of mechanism is fast, efficiency high.
4）The problems such as requiring high to site to solve existing solar thermal collection system, take up an area width, invest big, sets and takes up an area
It is small, investment it is small, be easy to landform trap solar energy " light harvesting CO2Energy storage equipment+lens energy-gathering device " matching set it is new
Solar energy storage apparatus, " the light harvesting CO installed in order to wide rural area with landform2Energy storage equipment " obtains low in 80 DEG C~300 DEG C
The daylight energy of temperature, then 300 DEG C~800 DEG C high temperature energy are produced with the convex lens focus sunlight of " lens energy-gathering device ", obtain
Supercritical CO2The HTHP supercritical CO of high energy storage density needed for generating electricity2Fluid.Can some sets of scattering device with the need
" light harvesting CO2Energy storage equipment+lens energy-gathering device " solar energy storage apparatus.
5）Stable current regulator is set, with stable current regulator by several biomass stoves CO of scattering device2If energy storage equipment,
Dry solar energy storage apparatus（Light harvesting CO2Energy storage equipment+lens energy-gathering device）Different temperatures, different pressures, the difference of generation
The supercritical CO of energy density2Fluid is adjusted to isobaric hot supercritical CO2Fluid, with isobaric hot supercritical CO2Fluid stable
Turbine or piston expansion engine acting driving electrical power generators are supplied, can stable electric generation system conditions and electric energy output.
6）The biomass thermal energy biomass stove CO natural using rural area of Low investment is set simultaneously2Energy storage equipment and the sun
Can energy storage equipment（CO containing light harvesting2Energy storage equipment+lens energy-gathering device）, the both local use rural biomass low-carbon energy,
Governments at all levels can be dissolved naturally check the rural biomass of supervisor severely every year and burn problem everywhere, solve again complete " living at the mercy of the elements "
And can not generate electricity or the problem of without regulated power in the evening, extra earning is taken out in electricity consumption or power supply network beneficial to country life/production.
Beneficial effects of the present invention：
1）Biomass energy condition, diversified topography and geomorphology and the sunshine condition and economic environment bar having for vast rural area
Part, the change system for being adapted to rural carbon dioxide recycle generating of exploitation, equips simpler, floor space is small, invests small,
System is low from consuming energy, and production capacity is high, and operating cost is low, and system equipment manipulation is simple and reliable, it is easy to accomplish Automated condtrol, has
Good practicality and economy.
2）Both the annual substantial amounts of biomass on-site incineration influence surrounding air in vast rural area and aviation peace can effectively have been solved
Full the problem of, the need of life, production can be met with the dynamical substantial amounts of electric energy of production of reproducible low-carbon energy on the spot again,
The huge pollution for subtracting growing coal electricity production to environment, can effectively drop in vast rural popularization and application.
3）It is adapted to the change system that rural carbon dioxide recycle generates electricity, is beneficial to the popularization and application of CCS technologies and complete
Ball tackles the carbon emission reduction action of climate change, can avoid CO2Deep geologic seal up for safekeeping and seal what earth environment was caused up for safekeeping with deep-sea
Not expected influence, such as liquefaction CO2Geological stratification methane and deep sea hydrate methane are replaced into earth atmosphere circle on a large scale
The calamitous risk being likely to result in.
4）Beneficial to the development of rural economy, vast rural can be promoted to obtain employment and start an undertaking, increase rural area income and social wealth
Richness, beneficial to social stability.
Brief description of the drawings
The change system that Fig. 1 generates electricity for the present invention suitable for rural carbon dioxide recycle.
Fig. 2 is to be a kind of provided with 1 set of fluidized bed furnace CO2Energy storage equipment and 2 sets of solar energy CO2Energy storage equipment be applied to rural
The change system schematic diagram that carbon dioxide recycle generates electricity.
Fig. 3 is to be a kind of provided with 2 sets of fluidized bed furnace CO2Energy storage equipment and 1 set of solar energy CO2Energy storage equipment be applied to rural
The change system schematic diagram that carbon dioxide recycle generates electricity.
Fig. 4 is a kind of fluidized bed furnace CO2The change system schematic diagram of energy storage equipment.
Fig. 5 is a kind of solar energy CO2The change system schematic diagram of energy storage equipment.
Fig. 6 is a kind of structural representation of stable current regulator.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Reference picture 1, it is adaptable to the change system that rural carbon dioxide recycle generates electricity, mainly includes liquid CO2Storage tank 1,
CO2It is pumped by device 2, biomass stove CO2Energy storage equipment 3, solar energy CO2Energy storage equipment 4, stable current regulator 5, turbine/work
Plug expanding machine 6, generator 7, regenerator 8, cooler 9 and compressor 9A, the solar energy CO2Energy storage equipment 4 includes light harvesting
CO2Energy storage equipment 4A and lens energy-gathering device 4B, the liquid CO2The first pipeline valve of outlet 101 and CO of storage tank 12High-pressure pump
The import of device 2 is sent to be connected, CO2The first non-return valve of outlet 201 for being pumped by device 2 is connected with the first triple valve 202,
First triple valve 202 is connected with the second triple valve 203, and the second triple valve 203 is through second pipe valve 401 and light harvesting CO2Accumulation of energy is filled
Put 4A imports to be connected, light harvesting CO2Energy storage equipment 4A outlets are connected with lens energy-gathering device 4B imports, lens energy-gathering device 4B
Outlet is through the 4th pipeline valve 503 and the inlet communication of stable current regulator 5, and the second triple valve 203 is through the 3rd pipeline valve 301 and biomass
Stove CO2The inlet communication of energy storage equipment 3, biomass stove CO2The pipeline valve 302 of outlet the 5th, the 6th pipeline valve 502 of energy storage equipment 3
With the inlet communication of stable current regulator 5, the stable current regulator 5 is exported through the 7th pipeline valve 501 and turbine/piston expansion engine
6 inlet communications, the turbine/piston expansion engine 6 is connected with the axle of generator 7, and the turbine/piston expansion engine 6 goes out
Mouth and the low-pressure fluid inlet communication of regenerator 8, the low pressure fluid output of regenerator 8 and the inlet communication of cooler 9, cooler 9
Outlet and compressor 9A inlet communication, CO2Working medium enters cooler 9, compressor 9A, the pressure by the 8th pipeline valve 901
Contracting machine 9A outlets are connected with the 3rd triple valve 104, and the 3rd triple valve 104 is through the 9th pipeline valve 103, the second non-return valve 102 and liquid
State CO2The inlet communication of storage tank 1, height of the 3rd triple valve 104 through the 3rd non-return valve 105, the tenth pipeline valve 106 and regenerator 8
Fluid inlet connection is pressed, the high pressure fluid output of regenerator 8 is connected with the first triple valve 202.System supercritical CO2Fluid pressure
Stabilization can close CO in certain pressure scope2It is pumped by the pipeline valve 103 of device 2 and the 9th, supercritical CO2Fluid is in compression
CO is realized in the presence of machine 9A2Circulating generation.
Described biomass stove CO2Energy storage equipment 3 is through CO2It is pumped by the CO of device 2 and/or compressor 9A feedings2Directly
Connect the height that 700 DEG C~1500 DEG C of high temperature heats that biomass fuel combustion discharges in organism-absorbing matter stove are converted into high energy storage density
Press hot supercritical CO2The device of fluid.Described biomass stove CO2Energy storage equipment mainly includes biomass stove and is arranged at life
CO in material stove2Accumulating mechanism；Described biomass stove refers to the stove using biomass such as stalk straw branches and leaves as fuel, including
Cottar's family expenses fluidized bed furnace and/or grate furnace and/or grate furnace etc.；Described CO2Accumulating mechanism contains heat exchanger.Described
Biomass stove CO2Energy storage equipment can use for two sets of more parallels.
Described solar energy CO2Energy storage equipment 4 is through CO2It is pumped by the CO of device 2 and/or compressor 9A feedings2In collection
Light CO2Energy storage equipment 4A is absorbed after the daylight heat energy of 80 DEG C~300 DEG C of accumulation, continues to absorb convex lens into lens energy-gathering device 4B
300 DEG C~1000 DEG C high temperature heats that mirror sunlight focusing is produced, are converted into the hot supercritical CO of high pressure of high energy storage density2Fluid
Device.Described solar energy CO2Energy storage equipment can use for two sets of more parallels.
Described stable current regulator 5 is by biomass stove CO2Energy storage equipment 3 and solar energy CO2The ripple that energy storage equipment 4 is produced
The supercritical CO of the different heat densities of dynamic and/or different temperatures2Fluid is adjusted to isobaric hot supercritical CO2The device of fluid.
Described regenerator 8 is the high normal pressure and temperature CO flowed out through cooler 9, compressor 9A2Fluid and turbine/piston type
The low pressure CO with waste heat of the outlet of expanding machine 6 outflow2Fluid carries out entering CO after sufficient heat exchange2Energy storage equipment accumulation of energy, enters one
Step improves the generating efficiency of change system.
Embodiment 1
Reference picture 2, one kind is provided with 1 set of fluidized bed furnace CO2Energy storage equipment and 2 sets of solar energy CO2Energy storage equipment be applied to rural
The change system that carbon dioxide recycle generates electricity, mainly includes liquid CO2Storage tank 1, CO2It is pumped by device 2, fluidized bed furnace CO2Accumulation of energy
Device 3, solar energy CO2Energy storage equipment 4, the second solar energy CO2The ˊ of energy storage equipment 4, stable current regulator 5, turbine 6, generator 7,
Regenerator 8, cooler 9 and compressor 9A；The solar energy CO2Energy storage equipment 4 includes light harvesting CO2Energy storage equipment 4A and lens are poly-
Can device 4B, the second solar energy CO2The ˊ of energy storage equipment 4 includes the second light harvesting CO2Energy storage equipment 4A ˊ and the second lens cumulative dress
Put 4B ˊ；The liquid CO2The first pipeline valve of outlet 101 and CO of storage tank 12The import for being pumped by device 2 is connected, CO2
The first non-return valve of outlet 201 for being pumped by device 2 is connected with the first triple valve 202, the first triple valve 202 and the second threeway
Valve 203 is connected, and the second triple valve 203 is through the 3rd pipeline valve 301 and biomass stove CO2The inlet communication of energy storage equipment 3, the second threeway
Valve 203 is connected with second pipe valve 401, the ˊ of the 11st pipeline valve 401 respectively through the 4th triple valve 204, second pipe valve 401 with
Light harvesting CO2Energy storage equipment 4A inlet communications, light harvesting CO2Energy storage equipment 4A is exported to be gathered with lens energy-gathering device 4B inlet communications, lens
Energy device 4B outlets are through the 4th pipeline valve 503 and the inlet communication of stable current regulator 5, the ˊ of the 11st pipeline valve 401 and the second light harvesting
CO2Energy storage equipment 4A ˊ inlet communications, the second light harvesting CO2 energy storage equipment 4A ˊ outlets connect with the second lens energy-gathering device 4B ˊ imports
Logical, the second lens energy-gathering device 4B ˊ outlets are through the 12nd pipeline valve 504 and the inlet communication of stable current regulator 5；The biomass stove
CO2Energy storage equipment 3 is exported through the 5th pipeline valve 302, the 6th pipeline valve 502 and the inlet communication of stable current regulator 5, and the current stabilization is adjusted
Section device 5 is exported through the 7th pipeline valve 501 and the inlet communication of turbine 6, and the turbine 6 is connected with the axle of generator 7, isobaric hot
Supercritical CO2Fluid generates electricity for the work done of turbine 6 driving generator 7, and the outlet of turbine 6 is entered with the low-pressure fluid of regenerator 8
Mouth connection, the low pressure fluid output of regenerator 8 and the inlet communication of cooler 9, the CO with waste heat2Passed through back from the outlet of turbine 6
Hot device 8 is carried out after heat exchange, enters the import of cooler 9, the outlet of cooler 9 and compressor 9A inlet communication, CO2Working medium passes through
Eight pipeline valves 901 enter cooler 9, compressor 9A, and compressor 9A outlets are connected with the 3rd triple valve 104, the 3rd triple valve 104
Through the 9th pipeline valve 103, the second non-return valve 102 and liquid CO2The inlet communication of storage tank 1, the 3rd triple valve 104 is through the 3rd check
Valve 105, the tenth pipeline valve 106 and the high-pressure fluid inlet communication of regenerator 8, the high pressure fluid output of regenerator 8 and the one or three
Port valve 202 is connected.System supercritical CO2Fluid pressure is stable in certain pressure scope, can close CO2Be pumped by device 2 and
9th pipeline valve 103, supercritical CO2Fluid realizes CO in the presence of compressor 9A2Circulating generation.
In the present embodiment, described solar energy CO2Energy storage equipment 4, the second solar energy CO2The ˊ of energy storage equipment 4 is used in parallel, when
So, it may also set up the solar energy CO of more sets2Energy storage equipment is used in parallel, to improve generated output.
Embodiment 2
Reference picture 3, one kind is provided with 2 sets of fluidized bed furnace CO2Energy storage equipment and 1 set of solar energy CO2Energy storage equipment be applied to rural
The change system that carbon dioxide recycle generates electricity, mainly includes liquid CO2Storage tank 1, the second liquid CO2Storage tank 1 ˊ, CO2It is pumped by
Device 2, the 2nd CO2It is pumped by the ˊ of device 2, fluidized bed furnace CO2Energy storage equipment 3, the second fluidized bed furnace CO2The ˊ of energy storage equipment 3, solar energy
CO2Energy storage equipment 4, stable current regulator 5, turbine 6, generator 7, regenerator 8, cooler 9 and compressor 9A；The solar energy
CO2Energy storage equipment 4 includes light harvesting CO2Energy storage equipment 4A and lens energy-gathering device 4B；The liquid CO2The import of storage tank 1 and second
Liquid CO2The ˊ of storage tank 1 import is through the second non-return valve 102, the 9th pipeline valve 103, the 3rd triple valve 104, the 13rd pipeline valve
103 ˊ, the ˊ of the 4th non-return valve 102 are connected, the liquid CO2The first pipeline valve of outlet 101 and CO of storage tank 12It is pumped by device
2 inlet communication, CO2It is pumped by device 2 and exports to connect with distributing valve 205 through the first non-return valve 201, the second liquid CO2Storage tank
The 1 ˊ ˊ of the 14th pipeline valve of outlet 101 and the 2nd CO2It is pumped by the ˊ of device 2 inlet communication, the 2nd CO2It is pumped by dress
2 ˊ outlets are put to connect with the second triple valve 203 through the ˊ of the 5th non-return valve 201；Second triple valve 203 is through second pipe valve 401 and collection
Light CO2Energy storage equipment 4A inlet communications, light harvesting CO2Energy storage equipment 4A is exported and lens energy-gathering device 4B inlet communications, lens cumulative
Device 4B outlets are through the 12nd pipeline valve 504 and the inlet communication of stable current regulator 5；Distributor 205 respectively with the second triple valve
203rd, the cold outlet of the first non-return valve 201, regenerator 8, the first triple valve 202 are connected, and the first triple valve 202 is respectively through the 3rd pipeline
Valve 301 and biomass stove CO2Energy storage equipment 3 is connected, the ˊ of the 15th pipeline valve 301 and the second biomass stove CO2The ˊ of energy storage equipment 3 enters
Mouth connection, biomass stove CO2Energy storage equipment 3 is exported through the 5th pipeline valve 302, the 6th pipeline valve 502 and the import of stable current regulator 5
Connection, the second biomass stove CO2The ˊ of the energy storage equipment 3 outlets ˊ of the 16th pipeline valve 302, the 4th pipeline valve 503 and stable current regulator
5 inlet communications；The stable current regulator 5 is exported through the 7th pipeline valve 501 and the inlet communication of turbine 6, the turbine 6 and hair
The axle of motor 7 is connected, isobaric hot supercritical CO2Fluid is generated electricity for the work done of turbine 6 driving generator 7, and the turbine 6 is exported
With the low-pressure fluid inlet communication of regenerator 8, the low pressure fluid output of regenerator 8 and the inlet communication of cooler 9, with waste heat
CO2Exported from turbine 6 after carrying out heat exchange through regenerator 8, enter the import of cooler 9, the outlet of cooler 9 is entered with compressor 9A's
Mouth connection, CO2Working medium enters cooler 9, compressor 9A, compressor 9A outlets and the 4th triple valve 107 by the 8th pipeline valve
Connection, the 4th triple valve 107 is connected with the 3rd triple valve 104, and the 4th triple valve 107 is through the 3rd non-return valve 105, the tenth pipeline valve
106 connect with the high-pressure fluid inlet communication of regenerator 8, the high pressure fluid output of regenerator 8 with the first triple valve 202.System
Supercritical CO2Fluid pressure is stable in certain pressure scope, can close CO2It is pumped by device 2, the 2nd CO2It is pumped by dress
Put 2 ˊ, the 9th pipeline valve 103, the ˊ of the 13rd pipeline valve 103, supercritical CO2Fluid realizes CO in the presence of compressor 9A2Circulation
Generate electricity.
In the present embodiment, described liquid CO2Storage tank 1, CO2It is pumped by device 2, fluidized bed furnace CO2Energy storage equipment 3 can be more
Set is used in parallel, improves generated output.
In described embodiment 1 and embodiment 2, described fluidized bed furnace CO2Energy storage equipment, as shown in figure 4, it is main include into
Mouth regulating valve 3-1, index combustion fan 3-2, fluidized bed furnace 3-3, CO2Accumulating mechanism 3-4, non-return valve 3-5, safety valve 3-6, temperature and pressure sense
Answer device 3-7 and suspension and support 3-8；The CO2Accumulating mechanism 3-4 is fixed on suspension and support 3-8 on fluidized bed furnace 3-3 inwall, or embedding
Enter in inwall refractory material, the inlet adjustment valve 3-1, non-return valve 3-5 are arranged at outside fluidized bed furnace 3-3 low-temperature space, with boiling
CO in stove 3-32Accumulating mechanism 3-4 import is connected, the index combustion fan 3-2, safety valve 3-6, temperature and pressure inductor 3-7
The outer of fluidized bed furnace 3-3 is arranged at, with the CO in fluidized bed furnace 3-3 high-temperature region2The outlet of accumulating mechanism 304 is connected.
In described embodiment 1 and embodiment 2, described solar energy CO2Energy storage equipment, as shown in figure 5, main include collection
Light CO2Energy storage equipment 4A and lens energy-gathering device 4B, the light harvesting CO2Energy storage equipment 4A mainly includes the 4A1 of support I, middle temperature accumulation of energy
Mechanism 4A2, reflecting mechanism 4A3, the 4A4 of non-return valve I, the 4A5 of regulating valve I and safety valve I 4A6, the middle temperature accumulating mechanism 4A2 are fixed
On the 4A1 of support I, the reflecting mechanism 4A3 is arranged on around the 4A1 of support I, and the reflecting mechanism 4A3 assembles solar energy
To middle temperature accumulating mechanism 4A2 light-collecting surface, the 4A4 of non-return valve I is arranged at light harvesting CO2Energy storage equipment 4A porch；It is described
Lens energy-gathering device 4B mainly includes the 4B1 of support II, high temperature accumulating mechanism 4B2, convex lens mechanism 4B3, the 4B4 of non-return valve II, tune
The 4B5 of valve II and safety valve II 4B6 is saved, the high temperature accumulating mechanism 4B2 is fixed on the 4B1 of support II, the convex lens mechanism 4B3
It is arranged on around the 4B1 of support II, convex lens mechanism 4B3 focuses to solar energy on high temperature accumulating mechanism 4B2 caustic surface, institute
State the 4B5 of regulating valve II, the 4B6 of safety valve II and be arranged at lens energy-gathering device 4B exits, light harvesting CO2Energy storage equipment 4A outlet and
Lens energy-gathering device 4B import is connected by the 4A5 of regulating valve I, the 4B4 of non-return valve II, and the 4A6 of safety valve I is arranged at light harvesting
CO2Energy storage equipment 4A exits；The light harvesting CO2Energy storage equipment 4A and lens energy-gathering device 4B, which are concentrated at one, to be placed or separates
Place.
Described middle temperature accumulating mechanism 4A2, high temperature accumulating mechanism 4B2 is heat exchanger.
On this basis, the light harvesting CO2Heat-storing material and heat-barrier material, the middle temperature accumulation of energy also can be set in energy storage equipment
Mechanism 4A2 is arranged in heat-storing material, and the non-light-collecting surface of the middle temperature accumulating mechanism is coated by heat-barrier material.
On this basis, heat-storing material and heat-barrier material, the high temperature energy accumulating machine also can be set in the lens energy-gathering device
Structure is arranged in heat-storing material, and the non-concentrating face of the high temperature accumulating mechanism is coated by heat-barrier material.
Above-mentioned light harvesting CO2Energy storage equipment 4A is used for the heat energy for absorbing 80 DEG C~300 DEG C of daylight accumulation, lens energy-gathering device
4B is used to absorb the heat energy for focusing on 300 DEG C~1000 DEG C of luminous energy accumulation, above-mentioned light harvesting CO2Energy storage equipment 4A, lens energy-gathering device
4B can be applied in combination according to the serial or parallel connection of set more than energy storage efficiency.
In described embodiment 1 and embodiment 2, described stable current regulator, as shown in fig. 6, including stable current regulator sheet
Body 41, water conservancy diversion mixed organization 42, inlet ductwork 43 and export pipeline 44；The water conservancy diversion mixed organization 42 is arranged on stable current regulator
In body 41, the inlet ductwork 43 and export pipeline 44 are arranged on stable current regulator body 41；The inlet ductwork 43
With biomass stove CO2Energy storage equipment, solar energy CO2The outlet connection of energy storage equipment；The export pipeline 44 and turbine/piston
The import connection of formula expanding machine；The first temperature and pressure inductor 431, flowmeter 432, distributor are provided with the inlet ductwork 43
433rd, the 3rd non-return valve 434；The outlet conduit 44 is provided with pressure regulator valve 441, the second temperature and pressure inductor 442；The water conservancy diversion is mixed
Closing mechanism 42 includes at least one of helical blade 421, deflection plate 422 or porous plate 423.
The hot supercritical CO of high pressure of fluctuate, different temperatures and different heat densities2Fluid is through biomass stove CO2Accumulation of energy
Device, solar energy CO2After the outlet outflow of energy storage equipment, into inlet ductwork 43, pass through the detection pipe of the first temperature and pressure inductor 431
Supercritical CO in road2The temperature and pressure of fluid, generate electricity the supercritical CO needed according to turbine/piston expansion engine2Fluid
Temperature and pressure, by the detection flows of flowmeter 432, various supercritical COs on the control piper of distributor 4332The stream of fluid
Amount so that the supercritical CO entered in stable current regulator body 412Fluid is after the effect of water conservancy diversion mixed organization 42, outlet
The supercritical CO of the isobaric isothermal exported in the signal piping of the second temperature and pressure inductor 442 on road 442The temperature and pressure of fluid
Meet the requirements.
Claims (10)
1. the change system generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Mainly include biomass stove CO2Store
Can device, solar energy CO2Energy storage equipment, stable current regulator, liquid CO2Storage tank, CO2It is pumped by device, turbine/piston type
Expanding machine, generator, regenerator, cooler and compressor, the solar energy CO2Energy storage equipment includes light harvesting CO2Energy storage equipment and
Lens energy-gathering device, the liquid CO2The outlet of storage tank and CO2The import for being pumped by device is connected, the CO2High-pressure pump
Send the outlet of device respectively with light harvesting CO2Energy storage equipment import, biomass stove CO2Energy storage equipment import is connected, the light harvesting
CO2Energy storage equipment outlet is connected with lens energy-gathering device import, the lens energy-gathering device outlet, biomass stove CO2Accumulation of energy is filled
Put outlet respectively with stable current regulator inlet communication, stable current regulator outlet connects with turbine/piston expansion engine import
Logical, the turbine/piston expansion engine is connected with generator shaft, the turbine/piston expansion engine outlet and regenerator
Low-pressure fluid inlet communication, the regenerator low pressure fluid output is connected with cooler inlet, the cooler outlet and compression
The inlet communication of machine, the compressor outlet respectively with liquid CO2The import of storage tank, regenerator high-pressure fluid inlet communication, institute
State regenerator high pressure fluid output respectively with light harvesting CO2Energy storage equipment import, biomass stove CO2Energy storage equipment import is connected.
2. the change system according to claim 1 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Institute
The biomass stove CO stated2Energy storage equipment is through CO2It is pumped by the CO of device and/or compressor feeding2Direct organism-absorbing matter stove
The high pressure that 700 DEG C~1500 DEG C high temperature heats of middle biomass fuel combustion release are converted into high energy storage density is hot overcritical
CO2The device of fluid.
3. the change system according to claim 2 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Institute
The biomass stove CO stated2Energy storage equipment mainly includes biomass stove and the CO being arranged in biomass stove2Accumulating mechanism；Described
Biomass stove refers to the stove using biomass as fuel, including cottar's family expenses fluidized bed furnace and/or grate furnace and/or grate furnace；
Described CO2Accumulating mechanism contains heat exchanger.
4. the change system according to claim 3 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：State
Biomass stove CO2Energy storage equipment is that two sets of more parallels are used.
5. it is applied to the equipment system that rural carbon dioxide recycle generates electricity according to claim 1-4 any claims
System, it is characterised in that：Described solar energy CO2Energy storage equipment is through CO2It is pumped by the CO of device and/or compressor feeding2
Light harvesting CO2Energy storage equipment is absorbed after the daylight heat energy of 80 DEG C~300 DEG C of accumulation, continues to absorb convex lens into lens energy-gathering device
300 DEG C~800 DEG C high temperature heats that sunlight focusing is produced, are converted into the hot supercritical CO of high pressure of high energy storage density2Fluid
Device.
6. the change system according to claim 5 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Institute
State light harvesting CO2Energy storage equipment mainly includes support I, middle temperature accumulating mechanism, reflecting mechanism, non-return valve I, regulating valve I and safety valve
I, the middle temperature accumulating mechanism is fixed on support I, and the reflecting mechanism is arranged on around support I, and the reflecting mechanism will too
Solar ray energy is assembled to the light-collecting surface of middle temperature accumulating mechanism, and the non-return valve I is arranged at light harvesting CO2Energy storage equipment porch；Institute
Stating lens energy-gathering device mainly includes support II, high temperature accumulating mechanism, convex lens mechanism, non-return valve II, regulating valve II and safety
Valve II, the high temperature accumulating mechanism is fixed on support II, and the convex lens mechanism is arranged on around support II, convex lens mechanism
On the caustic surface that solar energy is focused to high temperature accumulating mechanism, the regulating valve II, safety valve II are arranged at lens cumulative dress
Put exit, the light harvesting CO2The outlet of energy storage equipment and the import of lens energy-gathering device pass through regulating valve I, the phase of non-return valve II
Connection, the safety valve I is arranged at light harvesting CO2Energy storage equipment exit；The light harvesting CO2Energy storage equipment and lens energy-gathering device
Concentrate at one and place or separated.
7. the change system according to claim 6 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Institute
State light harvesting CO2Energy storage equipment is additionally provided with heat-storing material and heat-barrier material, and the middle temperature accumulating mechanism is arranged in heat-storing material, institute
The non-light-collecting surface for stating middle temperature accumulating mechanism is coated by heat-barrier material；The lens energy-gathering device is additionally provided with heat-storing material and heat-insulated
Material, the high temperature accumulating mechanism is arranged in heat-storing material, and the non-concentrating face of the high temperature accumulating mechanism is heat-barrier material institute
Cladding.
8. the change system according to claim 7 generated electricity suitable for rural carbon dioxide recycle, it is characterised in that：Institute
The solar energy CO stated2Energy storage equipment is that two sets of more parallels are used.
9. according to claim 1 or 2 be applied to the equipment system that rural area generates electricity using solar energy as energy carbon dioxide recycle
System, it is characterised in that：Described stable current regulator is by biomass stove CO2Energy storage equipment and solar energy CO2What energy storage equipment was produced
Fluctuation and/or the different heat densities of different temperatures the hot CO of high pressure2Fluid is adjusted to isobaric hot supercritical CO2Fluid
Device.
10. according to claim 9 be applied to the change system that rural area generates electricity using solar energy as energy carbon dioxide recycle,
It is characterized in that：The stable current regulator includes stable current regulator body, water conservancy diversion mixed organization, inlet ductwork and export pipeline；
The water conservancy diversion mixed organization is arranged in stable current regulator body, and the inlet ductwork and export pipeline are arranged at current stabilization regulation
On device outer body；The inlet ductwork and biomass stove CO2Energy storage equipment, solar energy CO2The outlet connection of energy storage equipment；Institute
The import that export pipeline is stated with turbine/piston expansion engine is connected.
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