CN105888995B - Groove type solar high temperature integrated thermal generating device - Google Patents
Groove type solar high temperature integrated thermal generating device Download PDFInfo
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- CN105888995B CN105888995B CN201510033477.4A CN201510033477A CN105888995B CN 105888995 B CN105888995 B CN 105888995B CN 201510033477 A CN201510033477 A CN 201510033477A CN 105888995 B CN105888995 B CN 105888995B
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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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Abstract
Groove type solar high temperature integrated thermal generating device of the present invention is by parabola groove light-condensing array, heat-transfer working medium, cross hot vaporizer, pressure pump, pressure-control valve, integrated heat exchange heat accumulation evaporator, heat-storage medium, power working medium, dynamic power unit, evaporator, condenser, air cooling unit, regulating valve, transfer line, complementary heating system, light-condensing array clustered control and hot power-generating control system composition, the device makes full use of the connection Photospot solar thermal cycle of integrated heat exchange heat accumulation evaporator and dynamic power to recycle two circulatory systems, simplify solar energy thermal-power-generating device construction to greatest extent, cooperate solid fuel battery or open type Bretton thermal electric generator and high-temperature gas power generation and concurrent heating using the discharge of the renewable energy such as biomass energy, number when extending power generation to greatest extent, found the technical foundation of substitution fossil energy.The invention category solar energy thermal-power-generating technical field.
Description
Technical field
The present invention is according to 2014053001094770 patent examination notice of State Intellectual Property Office to patent of invention
201110262876.X the modification carried out, supplement and perfect.The technology category solar energy thermal-power-generating field.
Background technique
Currently, pendulum is exactly to pass through innovation constantly in the key subject of Salar light-gathering solar power generation (CSP) technical field
Solar thermal power plants manufacturing cost is reduced, continues to improve generating efficiency, actively creates the economic technology of substitution fossil energy
Basis.Inventor is in patent of invention 201110060078.9；201110086362.3 with 201110161536.8,
It is proposed that the novel integrated heat exchange heat accumulation for setting up suitable light collection solar power generation (CSP) steams in 201110343277.0 applications
Transmitting apparatus, and with the thermal electric generator of the renewable energy such as wind-powered electricity generation complementation, its purpose is to reduce solar energy thermal-power-generating to set
Standby quantity reduces heat loss, and number when extending power generation improves heat accumulation and generating efficiency.But completely not in face of power cycle working medium
Same steam Rankine cycle, Organic Rankine Cycle and Brayton cycle thermal electric generator group, it is necessary to which special according to powerplant module is wanted
The integrated thermal generating device of summation feature design different mode.
Summary of the invention
The present invention connects two thermal cycle systems of Photospot solar heat transfer and heat power generation by integrated heat exchange heat accumulation evaporator
System expands the multinomial selectivity of heat-transfer working medium, power working medium, dynamic power unit and complementary heating system, while to biography
The system trough type solar power generation circulatory system is simplified, for the trough type solar power generation device for establishing low-cost high-efficiency
(CSP) new trial has been done.
The present invention is stored up by parabola groove light-condensing array, heat-transfer working medium, hot vaporizer, pressure pump, control valve, integrated heat exchange excessively
Thermal evaporation tank, heat-storage medium, power working medium, dynamic power unit, evaporator, condenser, air cooling unit, regulating valve, transfer tube
Line, complementary heating system, light-condensing array clustered control and hot power-generating control system composition, it is characterised in that: option and installment line is poly-
The parabola groove light-condensing array of burnt solar energy enhanced thermal-collecting tube, the light-condensing array export connecting integration heat exchange heat accumulation evaporator heat exchange
Device import；Integrated heat exchange heat accumulation evaporator heat exchanger exit connects pressure pump inlet, pressure pump outlet connecting sockets formula optically focused battle array
Column import constitutes the solar energy heat-collecting heat-storage circulation of closure；It is bright that integrated heat exchange heat accumulation evaporator evaporator outlet connects steam
Agree circulation or Organic Rankine Cycle engine import；Steam Rankine cycle or Organic Rankine Cycle engine outlet connection condensation
Device, condenser connect pressure pump inlet, pressure pump discharge connecting integration heat exchange heat accumulation evaporator evaporator；Or integration
The heat accumulation evaporator evaporator outlet that exchanges heat connects the import of Brayton cycle engine, and the outlet of Brayton cycle engine is integrally connected
Change heat exchange heat accumulation evaporator evaporator, constitutes and be closed complete thermodynamic cycle；Complementary heating system and parabola groove optically focused
Array or series connection or parallel connection；Power generation and energy storage are carried out in sunshine abundance, are evaporated when without sunshine using integrated heat exchange heat accumulation
Tank heat accumulation generates electricity；Or starts complementary heating system and generated electricity by other renewable energy concurrent heatings；
Or parabola groove light-condensing array outlet connection overheat evaporator heat transfer end import, overheat evaporator heat transfer bring out mouth company
Connect integrated heat exchange heat accumulation evaporator heat exchanger import；The integrated heat exchange heat accumulation evaporator when selecting vapor to make heat-transfer working medium
Heat exchanger exit connects condenser, and condensator outlet connects pressure pump inlet；It can not when selecting other types of heat-transfer working medium
Condenser is set, then integrated heat exchange heat accumulation evaporator heat transfer tube outlet connects pressure pump inlet；Pressure pump outlet connecting sockets formula
Light-condensing array import constitutes the solar energy heat-collecting heat-storage circulation of closure；Crossing hot vaporizer can be set in integrated heat exchange heat accumulation
In evaporator or outside tank；Hot vaporizer evaporation ends import connecting integration heat exchange heat accumulation evaporator evaporator outlet is crossed, overheat is steamed
Send out device outlet connection steam Rankine cycle or Organic Rankine Cycle engine import；Steam Rankine cycle or Organic Rankine Cycle are dynamic
Power machine outlet connection condenser, condenser connect pressure pump inlet, and pressure pump discharge connecting integration heat exchange heat accumulation evaporator steams
Send out device import；Or overheat evaporator outlet connects the import of Brayton cycle engine, Brayton cycle engine outlet connection one
Bodyization heat exchange heat accumulation evaporator evaporator；It constitutes and is closed complete thermodynamic cycle；Complementary heating system and parabola groove are poly-
Optical arrays or series connection or parallel connection；It is fired using solid fuel cell such as solid oxide fuel cell (SOFC) and fused carbonate
Expect that battery (MCFC) or the power generation concurrent heating of open type combustion gas Bretton thermal electric generator, efficiency are much higher than direct combustion gas or oil burning boiler,
Therefore preferred as complementary heating system.
The integrated heat exchange heat accumulation evaporator is the large container for containing liquid phase-change heat-storage medium；Or heat transfer is installed
The large-sized solid thermal storage container for the evaporation tubes that exchange heat；Or the large-scale appearance of liquid phase-change and solid sensible heat heat-storage medium is stored simultaneously
Device；The rounded tank body of the integrated heat exchange heat accumulation evaporator or rectangle tank body；The integrated heat exchange heat accumulation evaporator is set
Set heat exchanger inlet and outlet and evaporator inlet-outlet；
The heat transfer pipe and inlet and outlet of the complementation heating system are arranged in the tank body of integrated heat exchange heat accumulation evaporator,
Heat exchange pipeline uses metal or ceramic material；Heat accumulation material inlet, pressure-regulating valve, pressure and temperature sensing are set simultaneously
Device or equalized temperature agitating device；Or heat transfer pipe and the heat exchange disengaging of integrated heat exchange heat accumulation evaporator of complementary heating system
Mouth serial or parallel connection；Or it introduces inventor's patent 201110343277.0 and electric power heating boiler is arranged in integrated heat exchange heat accumulation
In evaporator, make integrated heat exchange heat accumulation evaporator become integrate solar heat-exchange, heat accumulation, concurrent heating, evaporation it is multi-functional
Heat-storing device.
Heat exchanger and evaporator in the integrated heat exchange heat accumulation evaporator are coiled or tubular heat exchanger or steaming
Device is sent out, rows of mixing combined crosswise pattern of rows and columns is installed in column or in parallel using longitudinal direction for tubulation or coil heat exchanger, evaporator
In tank body；The metal tube that tubular heat exchanger or evaporator use is high temperature resistant stainless steel bellows tube or bellows or interior spiral shell
The augmentation of heat transfer pipe of coil or outer spiral tube；The metal inner pipe that the line-focusing solar strengthens thermal-collecting tube is that have to strengthen to change
The annular bellows tube of heat function；Or external spiral or spiral pipe；Or the regular luxuriant bulk wave section for raising into bud of metal tube surface
Metal inner pipe；Or flow disturbance piece is welded at metal inner pipe input end inner surface, function is to promote fluid at Turbulent Flow,
Principle is different from the metal fin installed additional to increase heat-conducting area.
The heat-storage medium includes solid heat-storage medium or fused salt heat-storage medium, or both mixture；Solid heat accumulation is situated between
Matter includes glass microballoon, silicon-carbide particle, ceramic particle, quartzy drift sand particle；Or finished ground cement clinker, coal-burning power plant's waste
Flyash, or the granite through ball milling production, basalt, igneous rock, quartzite powder；Or it is thermally conductive to improve solid heat-storage medium
Coefficient is in the metal powder wherein added such as aluminium powder, copper powder, iron powder；Or it is given up by the waste residue such as waste slag of aluminum, copper that metal smelt generates
Slag, Iron-ore Slag, steel slag；Or the particulate material by discarded metal cutting slag production；Or the metallic dust of recycling is adequately mixed into
To have both specific heat capacity and the good solid heat-storage medium of thermal coefficient；Fused salt heat-storage medium is sodium nitrate class, sodium chloride, carbonic acid
Sodium class fused salt.
The heat-transfer working medium is air or inert gas helium, neon, argon, krypton, the one of which of xenon or nitrogen, nitric oxide
Gas, carbon dioxide gas, water vapour；Or ethylene glycol or propylene glycol or conduction oil；Or fused salt includes that sodium nitrate class, sodium chloride are molten
The modifier of salt or sulphur and sulphur；
The power working medium is vapor, helium, carbon dioxide gas, nitric oxide gas, organic working medium, ammonia and ammonia and water
Mixed liquor；
The complementation heating system is combustion gas or oil burning boiler or electric power heating boiler, and serial or parallel connection is in the optically focused sun
In energy heat circulating system；It or is solid fuel cell such as solid oxide fuel cell (SOFC) and molten carbonate fuel cell
(MCFC) or open type Bretton thermal electric generator group, the high-temperature tail gas of discharge pass through setting in integrated heat exchange heat accumulation evaporator
Interior heat exchange pipeline is that integration heat exchange heat accumulation evaporator heats concurrent heating, to guarantee that dynamic power unit persistently generates electricity；It is described mutual
It mends heating system and uses hydrogen, natural gas, biogas, coal gas；Or liquid biomass fuels or minerals fuel or Aalcohols fuel；
Or electric power heating boiler is arranged in integrated heat exchange heat accumulation evaporator.
The invention mainly has following innovative point:
1, slot light collection array can use polynary selectable heat-transfer working medium for integration heat exchange heat accumulation according to design environment
Evaporator provides operating condition heat source.
2, line focus, which strengthens thermal-collecting tube, has augmentation of heat transfer effect, is applicable in various heat-transfer working mediums, can increase substantially optically focused
Array photothermal conversion efficiency.
3, integrated heat exchange heat accumulation evaporator is made full use of to realize heat exchange, heat accumulation, evaporation, concurrent heating integration operation.
4, fused salt working medium is recycled in the inside of heat accumulation evaporator, effectively prevent solidification dangerous, or use solid heat-storage medium
To improve heat accumulation working temperature, fused salt solidification and gasification hidden danger are thoroughly eliminated.
5, number when the integrated heat exchange heat accumulation evaporator of optimization and complementary heating system being made full use of to extend power generation, it is ensured that even
Continuous tidal time difference.It is preferred that solid fuel cell and combustion gas Bretton generating set, while preferred biological fuel gas, it is high meeting
The high-temperature residual heat for making full use of two kinds of generating equipments to be discharged while effect power generation further increases and utilizes effect to combustion gas resource
Rate.
6, effectively simplify number of devices, solar energy thermal-power-generating device manufacturing cost is greatly lowered.
7, the metal tube that tubulation or coil heat exchanger or evaporator use is that bellows tube is also known as bellows or inside spin metal
The augmentation of heat transfer pipe such as pipe or external spiral metal tube, or outer fin metal tube, can effectively improve thermal transition efficiency.
8, interior to set complementary heating system and can guarantee the thermal electric generator group stable operation in situation without sunshine, while to use it
He creates favorable conditions at renewable energy；The present invention selects solid fuel cell such as solid oxide fuel cell (SOFC) for the first time
It is to improve combustion with molten carbonate fuel cell (MCFC) or the complementary heat supply means of open type Bretton thermal electric generator group conduct
Gas utilization efficiency and generating efficiency, while more effectively meeting solar energy thermal-power-generating device heat accumulation needs.
9, the present disclosure applies equally to tower, Fresnels, disc type solar energy thermal electric generator.
Detailed description of the invention
Fig. 1 is slot type Rankine cycle of the present invention or ORC heat power generation schematic diagram
Fig. 2 is slot type Brayton cycle heat power generation schematic diagram of the present invention
Wherein 1, parabola groove light-condensing array, 2, line focus reinforcing thermal-collecting tube, 3, mistake hot vaporizer, 4, integrated heat exchange heat accumulation
Evaporator, 5, pressure pump, 6, regulating valve, 7, power electric generator, 8, condenser, 9, heat exchanger, 10, evaporator, 11, equalized temperature
Blender, 12, working medium tank, 13, complementary heating system, 14, the overcritical Bretton generating set of enclosed, 15, afterburner
Specific embodiment
Scheme 1
Option and installment line-focusing solar strengthens the parabola groove light-condensing array 1 of thermal-collecting tube, the light-condensing array 1 outlet connection one
Bodyization heat exchange 4 heat exchanger import of heat accumulation evaporator；4 heat transfer tube outlet of integrated heat exchange heat accumulation evaporator connects 5 import of pressure pump,
The outlet of pressure pump 5 connection 1 import of parabola groove light-condensing array constitutes the solar energy heat-collecting heat-storage circulation of closure；Integrated heat exchange storage
4 evaporator outlet of thermal evaporation tank connects steam Rankine cycle or 7 import of Organic Rankine Cycle engine；Steam Rankine cycle has
The outlet of machine Rankine cycle engine 7 connection condenser 8 or air cooling unit import, condenser 8 or air cooling unit outlet connection pressure
5 imports are pumped, pressure pump 5 exports connecting integration heat exchange 4 evaporator of heat accumulation evaporator, constitutes the complete heat power of closure and follows
Ring；Complementary heating system 13 and parabola groove light-condensing array 1 are connected or in parallel.It is generated electricity and is stored up simultaneously in sunshine abundance
Can, it is generated electricity when without sunshine using 4 heat accumulation of integrated heat exchange heat accumulation evaporator；Or starts complementary heating system 13 and pass through it
He generates electricity in renewable energy concurrent heating.
Scheme 2
Option and installment line-focusing solar strengthens the parabola groove light-condensing array 1 of thermal-collecting tube, and the light-condensing array 1 outlet connected
Hot vaporizer 3 passes hot side inlet, crosses the heat transfer of hot vaporizer 3 and brings out a mouthful connecting integration heat exchange 4 heat exchanger import of heat accumulation evaporator；
4 heat exchanger exit of integrated heat exchange heat accumulation evaporator connects 5 import of pressure pump, the outlet of pressure pump 5 connection parabola groove light-condensing array 1
Import constitutes the solar energy heat-collecting heat-storage circulation of closure；Cross hot vaporizer 3 be arranged in integrated heat exchange heat accumulation evaporator 4 or
Outside tank；3 evaporation ends import connecting integration of hot vaporizer heat exchange 4 evaporator outlet of heat accumulation evaporator is crossed, hot vaporizer 3 is crossed and exports
Connect steam Rankine cycle or 7 import of Organic Rankine Cycle engine；Steam Rankine cycle or Organic Rankine Cycle engine 7 go out
Mouth connection condenser 8 or air cooling unit import, condenser 8 or air cooling unit outlet connection 5 import of pressure pump, pressure pump 5 export
Connecting integration heat exchange 4 evaporator of heat accumulation evaporator；Or cross hot vaporizer 3 outlet connection Brayton cycle engine 14 into
Mouthful, Brayton cycle engine 14 exports connecting integration heat exchange 4 evaporator of heat accumulation evaporator；Constitute the complete heat of closure
Power cycle；Complementary heating system 13 and parabola groove light-condensing array 1 are connected or in parallel.It is sent out simultaneously in sunshine abundance
Electricity and energy storage, are generated electricity when without sunshine using 4 heat accumulation of integrated heat exchange heat accumulation evaporator；Or start complementary heating system 13
It is generated electricity by other renewable energy concurrent heatings.
Claims (2)
1. groove type solar high temperature integrated thermal generating device is by parabola groove light-condensing array, heat-transfer working medium, excessively hot vaporizer, pressure
Power pump, control valve, integrated heat exchange heat accumulation evaporator, heat-storage medium, power working medium, dynamic power unit, evaporator, condensation
Device, air cooling unit, regulating valve, transfer line, complementary heating system, light-condensing array clustered control and hot power-generating control system group
At, it is characterised in that: option and installment line-focusing solar strengthens the parabola groove light-condensing array of thermal-collecting tube, and light-condensing array outlet connects
Connect integrated heat exchange heat accumulation evaporator heat exchanger import；Integrated heat exchange heat accumulation evaporator heat exchanger exit connect pressure pump into
Mouthful, pressure pump outlet connecting sockets formula light-condensing array import constitutes the solar energy heat-collecting heat-storage circulation of closure；Integrated heat exchange heat accumulation
Evaporator evaporator outlet connects steam Rankine cycle or Organic Rankine Cycle engine import；Steam Rankine cycle is organic bright
Agree cycle power machine outlet connection condenser, condenser connects pressure pump inlet, pressure pump discharge connecting integration heat exchange heat accumulation
Evaporator evaporator；Or integrated heat exchange heat accumulation evaporator evaporator outlet connects the import of Brayton cycle engine, cloth
Thunder cycle power machine outlet connecting integration heat exchange heat accumulation evaporator evaporator, constitutes the complete heat power of closure and follows
Ring；Complementary heating system and parabola groove light-condensing array are connected or in parallel；Power generation and energy storage are carried out in sunshine abundance, in nothing
It may be selected to generate electricity using the thermal energy that integrated heat exchange heat accumulation evaporator stores when sunshine；Heat accumulation deficiency then starts complementary heat supply
System is generated electricity by other renewable energy concurrent heatings；Or starting solid oxide fuel cell and molten carbonate fuel cell,
Or open type combustion gas Bretton thermal electric generator group generates electricity and concurrent heating；
1) the integrated heat exchange heat accumulation evaporator is the large container for containing liquid phase-change heat-storage medium；Or heat transfer is installed and is changed
The large-sized solid thermal storage container of thermal evaporation pipeline；Or the large container of liquid phase-change and solid sensible heat heat-storage medium is stored simultaneously；
The rounded tank body of the integrated heat exchange heat accumulation evaporator or rectangle tank body；
2) the complementary heating system be combustion gas or oil burning boiler or electric power heating boiler or solid oxide fuel cell and
Molten carbonate fuel cell or open type combustion gas Bretton thermal electric generator group, serial or parallel connection is in light collection solar cyclic system
In system, it is integration heat exchange storage that the high-temperature tail gas of discharge, which passes through the heat exchange pipeline being arranged in integrated heat exchange heat accumulation evaporator,
Thermal evaporation tank heats concurrent heating；The complementation heating system uses hydrogen, natural gas, biogas, coal gas；Or liquid biomass fuels,
Or minerals fuel or Aalcohols fuel；Electric power heating boiler is arranged in integrated heat exchange heat accumulation evaporator, makes integrated heat exchange
Heat accumulation evaporator become integrate solar heat-exchange, heat accumulation, concurrent heating, evaporation multifunction storage thermal；Heat exchange pipeline uses
Metal or ceramic material；In integrated heat exchange heat accumulation evaporator be arranged heat accumulation material inlet, pressure-regulating valve, pressure and
Temperature sensor or equalized temperature agitating device；
3) heat exchanger in the integrated heat exchange heat accumulation evaporator and evaporator are coiled or tubular heat exchanger or evaporation
Rows of mixing combined crosswise pattern of rows and columns is mounted in column or in parallel using longitudinal direction for device, tubulation or coil heat exchanger, evaporator
In tank body；The metal tube that tubular heat exchanger or evaporator use be high temperature resistant stainless steel production bellows tube or bellows or
The augmentation of heat transfer pipe of inner helix pipe or outer spiral tube；
4) it is the annular bellows tube or outer with enhanced heat exchange function that the line-focusing solar, which strengthens the metal inner pipe of thermal-collecting tube,
Spiral or the regular luxuriant bulk wave section metal inner pipe for raising into bud of spiral pipe or metal tube surface；Or metal inner pipe into
Inner surface welds flow disturbance piece at mouth end；
5) heat-storage medium includes solid heat-storage medium or fused salt heat-storage medium, or both mixture；Solid heat-storage medium
Including glass microballoon, silicon-carbide particle, ceramic particle, quartzy drift sand particle；Or finished ground cement clinker, coal-burning power plant's waste powder
Coal ash, or the granite through ball milling production, basalt, igneous rock, quartzite powder；Or to improve the thermally conductive system of solid heat-storage medium
Number is in the aluminium powder, copper powder, iron powder wherein added；Or waste slag of aluminum, the copper waste residue, Iron-ore Slag, steel slag generated by metal smelt；Or by
The particulate material of discarded metal cutting slag production；Or the metallic dust with high thermal conductivity of recycling；Through with other solids
Heat-storage medium, which is sufficiently mixed to become, has both specific heat capacity and the good solid heat-storage medium of thermal coefficient；Fused salt heat-storage medium is nitric acid
Sodium class, sodium chloride, sodium carbonate class fused salt；
6) heat-transfer working medium is air or inert gas helium, neon, argon, krypton, the one of which of xenon or nitrogen, nitric oxide
Gas, carbon dioxide gas, water vapour；Or ethylene glycol or propylene glycol or conduction oil；Or sodium nitrate class fused salt, sodium chloride fused salt,
Or the modifier of sulphur and sulphur；
7) the power working medium is the mixed of vapor, helium, carbon dioxide gas, nitric oxide gas, organic working medium, ammonia and ammonia and water
Close liquid.
2. groove type solar high temperature integrated thermal generating device according to claim 1, it is characterised in that: the parabola groove
Tower or Fresnel or dish-style light-condensing array substitution may be selected in light-condensing array.
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