CN110030049A - A kind of amino solar heat chemical cycle electricity generation system and its working method - Google Patents
A kind of amino solar heat chemical cycle electricity generation system and its working method Download PDFInfo
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- CN110030049A CN110030049A CN201910303608.4A CN201910303608A CN110030049A CN 110030049 A CN110030049 A CN 110030049A CN 201910303608 A CN201910303608 A CN 201910303608A CN 110030049 A CN110030049 A CN 110030049A
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- 239000000126 substance Substances 0.000 title claims abstract description 30
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 147
- 238000006243 chemical reaction Methods 0.000 claims abstract description 85
- 238000003860 storage Methods 0.000 claims abstract description 68
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 67
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 58
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 31
- 238000004146 energy storage Methods 0.000 claims abstract description 22
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 20
- 230000008676 import Effects 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 45
- 239000002918 waste heat Substances 0.000 claims description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims 2
- 230000009972 noncorrosive effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
-
- 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
-
- 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
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- 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
- F01K25/106—Ammonia
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/20—Arrangements for storing heat collected by solar heat collectors using chemical reactions, e.g. thermochemical reactions or isomerisation reactions
-
- 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
-
- 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
-
- 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
Abstract
The present invention relates to technical field of solar utilization technique, disclose a kind of amino solar heat chemical cycle electricity generation system, including decomposition unit, energy-storage units, heat releasing unit and generator unit；The energy-storage units include high-pressure storage tanks, ammonia head tank and to ammonia pump；The ammonia head tank is connected by the liquefied ammonia import to ammonia pump and high-pressure storage tanks, and the liquefied ammonia outlet of the high-pressure storage tanks and air inlet are connect with decomposition unit；The exhaust outlet and feedback outlet of the high-pressure storage tanks are connect with heat releasing unit；The mixed gas that reaction response of decomposing in decomposition unit generates enters in high-pressure storage tanks, and when needing electric energy, the mixed gas in high-pressure storage tanks enters in synthesis reactor, and synthetic reaction occurs and generates high temperature and high pressure gas to drive generator unit to generate electricity.The invention also discloses a kind of working methods of amino solar heat chemical cycle electricity generation system.The beneficial effect is that: this system high-efficiency environment friendly, reaction product are non-corrosive pollution-free.
Description
Technical field
The present invention relates to technical field of solar utilization technique, and in particular to a kind of amino solar heat chemical cycle electricity generation system
And its working method.
Background technique
21 century, the environmental problems such as greenhouse effects caused by human behavior have become the problem that the nowadays mankind face jointly.
Solar energy is a kind of very potential clean energy resource, people for solar energy storage and utilization exploration early in eighties of last century just
Start.Solar energy storage can be divided into three kinds of sensible heat, latent heat, heat chemistry modes, and the utilization of sensible heat energy storage at present is the most extensive, and hot
Chemical energy storage is because its original advantage receives much attention always.
Solar heat chemical energy storage is the storage for pushing reversible chemical reaction to carry out using solar heat, and then realizing energy
With utilization.Compared to other two kinds of energy storage modes, heat chemistry energy storage is not necessarily to adiabatic heat-insulation, with higher energy density and just
Just the remarkable advantage conveyed.
Currently, the power generation of solar heat chemical energy storage is also far from reaching extensive Commercial scale, but each side's technology is not
Disconnected development declines its cost of electricity-generating constantly, and amino solar power generation can have by very mature ammonia synthesizing industry
Have broad application prospects.Therefore a kind of high financial profit and high-efficiency environment friendly amino solar-powered heating Chemically generation system are designed
To extensive commercial with considerable meaning.
Summary of the invention
The purpose of the invention is to overcome above the shortcomings of the prior art, provide it is a kind of simple and reasonable for structure,
The amino solar heat chemical cycle electricity generation system of high-efficiency environment friendly.Another object of the present invention is to provide a kind of amino solar energy
The working method of thermochemical cycle power generating system.
The purpose of the present invention is realized by the following technical solution: a kind of amino solar heat chemical cycle electricity generation system,
Including decomposition unit, energy-storage units, heat releasing unit and generator unit；
The energy-storage units include high-pressure storage tanks, ammonia head tank and to ammonia pump；The high-pressure storage tanks have liquefied ammonia into
Mouth, liquefied ammonia outlet, air inlet, exhaust outlet and feedback outlet；The ammonia head tank by the liquefied ammonia to ammonia pump and high-pressure storage tanks into
Mouth connection, the liquefied ammonia outlet of the high-pressure storage tanks and air inlet are connect with decomposition unit；The exhaust of the high-pressure storage tanks
Mouth and feedback outlet are connect with heat releasing unit；
The decomposition unit includes dish-style condenser, decomposition reactor and the first contra-flow heat exchanger；The dish-style condenser
Optically focused center connect with decomposition reactor, the hot side inlet of the discharge end of the decomposition reactor and the first contra-flow heat exchanger connects
It connects, the hot end outlet of first contra-flow heat exchanger is connect with the air inlet of high-pressure storage tanks, the liquefied ammonia of the high-pressure storage tanks
Outlet is connect with the cold side inlet of the first contra-flow heat exchanger, the cold side outlet of first contra-flow heat exchanger and decomposition reactor
Feed end connection；
The heat releasing unit includes compressor, the second contra-flow heat exchanger, synthesis reactor and turbine；The storage of higher pressures
The exhaust outlet of tank is connect by compressor with the cold side inlet of the second contra-flow heat exchanger, and the cold end of second contra-flow heat exchanger goes out
Mouth is connect with the feed end of synthesis reactor, and the discharge end of the synthesis reactor and the input terminal of turbine connect, described
The hot side inlet of the output end of flat machine and the second contra-flow heat exchanger is connect with generator unit, the heat of second contra-flow heat exchanger
The feedback outlet for bringing out mouth and high-pressure storage tanks connects.
Further, the generator unit includes waste heat boiler, feed pump, steam turbine, the first generator and the second hair
Motor；The output end of the turbine is connect with the heat import of the first generator and waste heat boiler respectively, the waste heat boiler
Waste heat outlet connect with the hot side inlet of the second contra-flow heat exchanger, the water inlet of the feed pump and waste heat boiler connects, institute
The input terminal of the water outlet and steam turbine of stating waste heat boiler connects, and the output end of the steam turbine and the second generator connect
It connects.
Further, the energy-storage units further include transformation tank and diffusion pump, and the high-pressure storage tanks also have boost port,
The transformation tank is connected by the boost port of diffusion pump and high-pressure storage tanks.
Further, the energy-storage units further include valve body, and hot end outlet and the high pressure of first contra-flow heat exchanger are stored up
It deposits between the air inlet of tank and pacifies between the outlet of the liquefied ammonia of the high-pressure storage tanks and the cold side inlet of the first contra-flow heat exchanger
Equipped with valve body.
Further, the liquefied ammonia import and liquefied ammonia outlet are respectively positioned on the bottom end of high-pressure storage tanks, the air inlet, exhaust
Mouth, feedback outlet and boost port are respectively positioned on the top of hydraulic inlet and liquefied ammonia outlet, and the boost port is oppositely arranged with exhaust outlet.
Further, the decomposition reactor include inlet pipeline, entrance window, outlet conduit, spiral coil, insulating layer and
Hollow housing；The spiral coil coils the import of the spiral coil in hollow housing along the length direction of hollow housing
End is connect by inlet pipeline with the cold side outlet of the first contra-flow heat exchanger, and the outlet end of the spiral coil passes through outlet conduit
It being connect with the hot side inlet of the first contra-flow heat exchanger, the entrance window is set to an end face of hollow housing, and spiral coil
Outlet end is connect close to this end face, the optically focused center of the dish-style condenser with entrance window, and the insulating layer is wrapped in inlet tube
The outer surface in road, outlet conduit and hollow housing.
It further, further include fixed bracket, the fixed bracket is set to hollow shell along the length direction of hollow housing
In the inner cavity of body, and close to the inner wall of hollow housing, the spiral coil coiling is in fixed bracket.
Further, the hollow housing includes the first shell and second shell being connected；The first shell and
Two shells are in circular platform type, and the length of the first shell is less than second shell, the bottom surface of the first shell and second shell
Round table surface connection, the spiral coil is coiled in second shell along the length direction of second shell, the entrance window installation
In the round table surface of first shell, the inlet pipeline passes through second shell and the input end of spiral coil connects, the outlet
Road passes through second shell and the outlet end of spiral coil connects.
Further, the synthesis reactor includes pedestal, fluid reaction section and fluid deferent segment；The pedestal is installed on
The cold side outlet of one end of fluid reaction section, second contra-flow heat exchanger is connect with pedestal, the fluid reaction section it is another
End is connect with one end of fluid deferent segment, and the other end of the fluid deferent segment is connect with turbine.
Further, the fluid reaction section includes that the first annulus shell, the second annulus shell, thermal insulation layer and several are anti-
Ying Guan；The second annulus shell is set in the inner cavity of the first annulus shell, and several articles of reaction tubes are uniformly distributed in
Between one annulus shell and the second annulus shell, one end of the first annulus shell and the second annulus shell connects with pedestal
It connects, one end of several reaction tubes is connected to pedestal, the other end of the first annulus shell and the second annulus shell
It is connect with fluid deferent segment, the other end of several reaction tubes is connected to fluid deferent segment, the thermal insulation layer filling
Between the first annulus shell and the second annulus shell.
Further, the fluid deferent segment includes several Round Porous column tubes and several hollow cylinder shells；It is described
Round Porous column tube and hollow cylinder shell correspond, and the Round Porous column tube is set in the inner cavity of hollow cylinder shell,
One end of each hollow cylinder shell is connect with fluid reaction section, and the fluid reaction section by Round Porous column tube with
The connection of hollow cylinder shell, the other end of each hollow cylinder shell are connect with turbine.
Further, the pedestal includes air inlet pipe, diffluence room and snorkel；If the diffluence room have import and
The cold side outlet of dry outlet, second contra-flow heat exchanger is connected by the import of air inlet pipe and diffluence room, the diffluence room
Outlet and one end of snorkel connect one to one, the other end and the reaction tube of the snorkel connect one to one.
A kind of working method of amino solar heat chemical cycle electricity generation system, includes the following steps,
When sunshine abundance, dish-style condenser assembles sunlight, provides 500-700 DEG C of hot environment for decomposition reactor, high
Liquid ammonia in pressure holding vessel is delivered in the first contra-flow heat exchanger, is entered in decomposition reactor after preheated, decomposition reactor
In decompose reaction: 2NH3+ΔH→N2+3H2, realize the conversion of solar energy-chemical energy, reaction product is through the first counterflow heat exchange
Device is after will preheating into the liquid ammonia in decomposition reactor, to be delivered to high pressure storage tank storage, realize the storage of solar energy；
When needing to carry out energy supply, start compressor, the H in high-pressure storage tanks2, N2Enter second after being depressed into high pressure
Contra-flow heat exchanger preheating, subsequently enters synthesis reactor, carries out synthetic reaction: 3H2+N2→2NH3+ Δ H, reacts the high temperature of generation
High-pressure gaseous NH3It is directly entered in turbine and does work, drive the first electrical power generators, that is, push directly on Brayton circulation and realize
The conversion of chemical energy-mechanical energy, the reaction product finished of doing work enter waste heat boiler, the water of the waste heat of reaction product and feed pump into
Row heat exchange generates hot steam and pushes steam turbine acting, drives the second electrical power generators by steam turbine, complete a secondary
Rankine circulation, last reaction product by the second contra-flow heat exchanger be will enter synthesis reactor in H2, N2In advance
It after heat, is returned in high pressure storage tank with approaching the temperature of environment, completes closed cycle.
The principle of the present invention are as follows:
Synthetic reaction itself in the present invention is an exothermic reaction, and synthesis reactor can be used as in Brayton circulation
Combustion chamber, i.e., directly using high temperature reaction product enter turbine do work so that realize power generation, the high pressure of ammonia synthesis reaction
Also it provides convenience for direct output mode.After completing Brayton circulation, reactant was generated by waste heat boiler and water heat exchange
Hot steam pushes secondary Rankine circulation to generate electricity, and the two composition combined cycle realizes cascaded utilization of energy, improves
The efficiency of whole system.
Direct output mode is compared with traditional Rankine mode to be had higher efficiency, while having lower power generation
Cost, in addition, the waste heat that Brayton circulation generates further is used in secondary Rankine as reaction system using ammonia
Circulation generates superheated steam by waste heat boiler and water heat exchange, and steam turbine is pushed to realize power generation, composition twin shaft joint again
Circulation, improves the efficiency of whole system.
The present invention has the following advantages compared with the prior art:
1, amino thermochemical energy-storage system is used in the present invention, has the advantage that (1) reacts good reversibility；(2) may be used
To refer to the existing rich experiences of ammonia synthesizing industry；(3) since automatic phase separation property eliminates additional separation equipment；(4)
There is no corrosivity, pollution-free output mode efficiency is more excellent；The focusing ratio of dish-style parabolic collection mirror in the present invention can reach
1000 or more, the advantages of having focus temperature high, be suitble to distribution application, one can be incorporated in well with amino solar power system
It rises, efficiently pushes the generation of ammonia decomposition reaction；Direct output mode in this energy-storage system, can fecund compared to traditional mode
Raw 50% or more electric power, while waste heat being used to secondary Rankine be pushed to recycle, the two forms multiaxis combined cycle system
It realizes cascaded utilization of energy, improves the efficiency of whole system, the product entirely reacted is non-corrosive pollution-free, to reduction greenhouse
Gas discharge has significant meaning.
2, the decomposition reactor in the present invention and synthesis reactor are all made of cavity design, have saved material cost；Its
In, decomposition reactor uses two hollow round table being connected, and not only saves production cost, also substantially increases the benefit of solar energy
With efficiency, accelerate reaction process；Synthesis reactor has several reaction tubes, and the radius of reaction tube is small can not only to save reaction
The material cost of wall, while more reaction tube numbers increase reaction contact area, in the case where reaction tube cross section is constant,
Pressure drop is directly proportional to the length of reaction tube, and a plurality of reacting pipe has better boost performance with respect to single conduit.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of amino solar heat chemical cycle electricity generation system according to the present invention；
Fig. 2 shows the structural schematic diagrams of decomposition reactor according to the present invention；
Fig. 3 shows the structural schematic diagram of synthesis reactor according to the present invention；
Fig. 4 shows the structural schematic diagram that pedestal is connect with fluid reaction section in synthesis reactor according to the present invention；
Fig. 5 shows the shaft side figure of fluid reaction section according to the present invention；
Fig. 6 shows the sectional view of fluid reaction section according to the present invention；
In figure, 1 is high-pressure storage tanks；2 be ammonia head tank；3 is to ammonia pumps；4 be dish-style condenser；5 be decomposition reactor；
6 be the first contra-flow heat exchanger；7 be compressor；8 be the second contra-flow heat exchanger；9 be synthesis reactor；10 be turbine；11 be remaining
Heat boiler；12 be feed pump；13 be steam turbine；14 be the first generator；15 be the second generator；16 be transformation tank；17 are
Diffusion pump；18 be valve body；19 be entrance window；20 be inlet pipeline；21 be outlet conduit；22 be spiral coil；23 be hollow shell
Body；24 be insulating layer；25 be first shell；26 be second shell；27 be pedestal；28 be fluid reaction section；29 export for fluid
Section；30 be the first annulus shell；31 be the second annulus shell；32 be thermal insulation layer；33 be reaction tube；34 be Round Porous column tube；35
For hollow cylinder shell；36 be air inlet pipe；37 be diffluence room；38 be snorkel；39 be fixed bracket；40 be ring flange.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Amino solar heat chemical cycle electricity generation system as shown in Figure 1, including decomposition unit, energy-storage units, heat release list
Member and generator unit；
The energy-storage units include high-pressure storage tanks 1, ammonia head tank 2 and to ammonia pump 3；The high-pressure storage tanks 1 have liquid
Ammonia import, liquefied ammonia outlet, air inlet, exhaust outlet and feedback outlet；The ammonia head tank 2 passes through to ammonia pump 3 and high-pressure storage tanks 1
Liquefied ammonia import connection, the liquefied ammonia outlet of the high-pressure storage tanks 1 and air inlet are connect with decomposition unit；The high-pressure storage tanks
1 exhaust outlet and feedback outlet is connect with heat releasing unit.Gas-liquid two-phase reactant is stored in high-pressure storage tanks 1, certainly due to gas-liquid
Dynamic isolated property is without additional separation device.The liquefied ammonia in ammonia head tank 2 is transported in system to ammonia pump 3, is adjusted whole
The ratio of liquefied ammonia in a system.
It further include transformation tank 16 and diffusion pump 17, the high-pressure storage tanks 1 also have boost port, and the transformation tank 16 passes through
Diffusion pump 17 is connect with the boost port of high-pressure storage tanks 1.Transformation tank 16 connects high-pressure storage tanks 1 by diffusion pump 17, remains high
Press the stabilization of 1 pressure of holding vessel.
Further include valve body 18, between the outlet of the hot end of first contra-flow heat exchanger 6 and the air inlet of high-pressure storage tanks 1 and
The liquefied ammonia of the high-pressure storage tanks 1, which is exported, is mounted on valve body 18 between the cold side inlet of the first contra-flow heat exchanger 6, passes through valve
The switch of body 18 realizes the transport of fluid in high-pressure storage tanks 1 and controls reaction process.
It is automatic because of autologous density gas-liquid because storing liquefied ammonia, nitrogen and hydrogen, liquefied ammonia, nitrogen and hydrogen in high-pressure storage tanks 1
Separation.Liquefied ammonia import and liquefied ammonia outlet are respectively positioned on the bottom end of high-pressure storage tanks 1, and the conveying of liquefied ammonia, the air inlet are convenient in this setting
Mouth, exhaust outlet, feedback outlet and boost port are respectively positioned on the top of hydraulic inlet and liquefied ammonia outlet, and the boost port is opposite with exhaust outlet
Setting, this setting are convenient for the conveying of gas, improve the working efficiency of system.
The decomposition unit includes dish-style condenser 4, decomposition reactor 5 and the first contra-flow heat exchanger 6；The dish-style optically focused
The optically focused center of mirror 4 is connect with decomposition reactor 5, the hot end of the discharge end of the decomposition reactor 5 and the first contra-flow heat exchanger 6
The hot end outlet of import connection, first contra-flow heat exchanger 6 is connect with the air inlet of high-pressure storage tanks 1, the storage of higher pressures
Tank 1 liquefied ammonia outlet connect with the cold side inlet of the first contra-flow heat exchanger 6, the cold side outlet of first contra-flow heat exchanger 6 and
The feed end of decomposition reactor 5 connects.Often there is liquefied ammonia in decomposition reactor 5, to guarantee that reaction can carry out at any time.Dish-style optically focused
Mirror 4 provides 500~700 DEG C of hot environment for the decomposition reaction of liquefied ammonia.Liquid ammonia absorbs solar heat in decomposition reactor 5
It decomposes reaction: 2NH3→3H2+N2+ Δ H, reaction product contain a large amount of heat, when reaction product flows through the first counterflow heat exchange
Liquefied ammonia preheating when device 6 for that will enter in decomposition reactor 5.
The heat releasing unit includes compressor 7, the second contra-flow heat exchanger 8, synthesis reactor 9 and turbine 10；The height
The exhaust outlet of pressure holding vessel 1 is connect by compressor 7 with the cold side inlet of the second contra-flow heat exchanger 8, second counterflow heat exchange
The cold side outlet of device 8 is connect with the feed end of synthesis reactor 9, and the discharge end of the synthesis reactor 9 is defeated with turbine 10
Enter end to connect, the hot side inlet of the output end of the turbine 10 and the second contra-flow heat exchanger 8 is connect with generator unit, described
The hot end outlet of second contra-flow heat exchanger 8 is connect with the feedback outlet of high-pressure storage tanks 1.
The generator unit includes waste heat boiler 11, feed pump 12, steam turbine 13, the first generator 14 and the second power generation
Machine 15；The output end of the turbine 10 is connect with the heat import of the first generator 14 and waste heat boiler 11 respectively, described remaining
The waste heat outlet of heat boiler 11 is connect with the hot side inlet of the second contra-flow heat exchanger 8, the feed pump 12 and waste heat boiler 11
Water inlet connection, the water outlet of the waste heat boiler 11 connect with the input terminal of steam turbine 13, the steam turbine 13 it is defeated
Outlet is connect with the second generator 15.Synthetic reaction occurs in synthesis reactor 9: 3H2+N2→2NH3.The waste heat of waste heat boiler 11
The reaction product of outlet discharge also has a small amount of heat, will enter synthesis reactor 9 when flowing through the second contra-flow heat exchanger 8
H2, N2Preheating.
Working fluid is directly exported in this system and is used to that Brayton to be pushed to recycle, then with a secondary Rankine
Circulation joint realizes circulating generation.When specific works, dish-style condenser 4, which assembles sunlight, makes decomposition reactor 5 reach 700 DEG C of height
Temperature, the liquid ammonia in decomposition reactor 5 decomposes under the action of high temperature and catalyst generates H2And N2, decomposition product is inverse through first
It flows heat exchanger 6 and exchanges heat with the liquid ammonia that will enter in decomposition reactor 5, be then delivered to high pressure storage to approach the temperature of environment
It deposits in tank 1；H when needing to generate electricity, in high-pressure storage tanks 12And N2It is depressed into high pressure through compressor 7, in the second contra-flow heat exchanger 8
Enter synthesis reactor 9 after preheating, synthetic reaction occurs under the action of catalyst in synthesis reactor 9, generates high-temperature gas
Ammonia, high-temperature gas ammonia are directly entered the acting of turbine 10 and push directly on Brayton circulation, drive the first electrical power generators；Then
The high-temperature gas ammonia for losing a part of heat enters waste heat boiler 11, with output superheated steam after water heat exchange, pushes steam turbine
13 complete a secondary Rankine circulation, drive the second electrical power generators, the two completes twin shaft combined cycle；Last gas
State ammonia is through the second contra-flow heat exchanger 8 and the H that will enter synthesis reactor 92And N2It returns in high-pressure storage tanks 1, completes after heat exchange
Closed cycle.This system realizes direct output mode and combined cycle mode in the application of amino field of solar thermal power generation, adopts
It is higher compared to tradition Rankine circulation pattern delivery efficiency with the mode for pushing directly on Brayton circulation, Brayton circulation-
The combined cycle of Rankine circulation composition more efficiently utilizes waste heat, whole system efficiency is further increased, in solar heat
There is wide prospect in the utilization of power generation.(wherein Brayton circulation refers to that Bo Langdeng is recycled, and Rankine circulation refers to that Rankine follows
Ring)
As shown in Fig. 2, the decomposition reactor 5 includes inlet pipeline 20, entrance window 19, outlet conduit 21, spiral coil
22, insulating layer 24 and hollow housing 23；The spiral coil 22 is coiled along the length direction of hollow housing 23 in hollow housing 23
In, the input end of the spiral coil 22 is connect by inlet pipeline 20 with the cold side outlet of the first contra-flow heat exchanger 6, the spiral shell
The outlet end of capstan pipe 22 is connect by outlet conduit 21 with the hot side inlet of the first contra-flow heat exchanger 6, the entrance window setting
In an end face of hollow housing 23, and the outlet end of spiral coil 22 is close to this end face, the optically focused center of the dish-style condenser 4
It is connect with entrance window 19, the insulating layer 24 is wrapped in the outer surface of inlet pipeline 20, outlet conduit 21 and hollow housing 23.It protects
Warm layer 24 uses thermal insulation material to reduce the heat loss of inlet pipeline 20, outlet conduit 21 and hollow housing 23.Liquefied ammonia by into
Mouth pipeline 20 enters spiral coil 22, the catalyst with driving a reaction in spiral coil 22, such as aluminium oxide, and liquid ammonia is in height
It decomposes reaction under temperature and catalyst action: 2NH3→N2+3H2, reaction product from outlet conduit 21 enter high-pressure storage tanks 1
In store.In such a way that spiral coil realizes spiral charging, research shows that helical structure can improve reaction medium
Flowing and Heat transfer, while finding that radiant heat transfer is the principal mode to conduct heat in decomposition reactor, it can using helical pipe
Further increase solar energy-chemical energy transformation efficiency.
It further include fixed bracket 39, the fixed bracket 39 is set to hollow housing 23 along the length direction of hollow housing 23
Inner cavity in, and close to the inner wall of hollow housing 23, the spiral coil 22 is coiled on fixed bracket 39.
The hollow housing 23 includes the first shell 25 and second shell 26 being connected；The first shell 25 and second
Shell 26 be in circular platform type, and the length of the first shell 25 be less than second shell 26, the bottom surface of the first shell 25 with
The round table surface of second shell 26 is connected to, and the fixed bracket 39 is arranged in second shell 26, passes through fixed bracket 39, helical disk
Pipe 22 spirals along 26 length direction of second shell to be installed in second shell and close to the inner wall of second shell 26, spiral coil 22
It can also pass through in first shell 25, the entrance window 19 is installed on the round table surface of first shell 25, and the spiral coil 22 goes out
Mouthful end close to second shell 26 round table surface, the input end of the spiral coil 22 close to the bottom surface of second shell 26, it is described into
Mouthful pipeline 20 passes through second shell 26 and connect with the input end of spiral coil 22, the outlet conduit 21 across second shell 26 and
The outlet end of spiral coil 22 connects.Wherein the length of second shell 26, round table surface diameter and basal diameter are all larger than first shell
Body 25, this setting is that more spiral coils 22 can be installed in the inner cavity for second shell 26, so that the decomposition of liquid ammonia
It reacts more abundant, improves the reaction efficiency of whole system.The basal diameter of first shell 25 and the round table surface of second shell 26 are straight
Diameter is equal, and the round table surface diameter of first shell 25 is matched with the size of entrance window 19, and the structure so that decomposition reactor 5 is arranged in this
It is compact, convenient for 24 installations of entrance window 19, inlet pipeline 20, outlet conduit 21 and insulating layer.Hollow housing is connected by two
Hollow round table composition can effectively improve the impingement rate of sunlight, first shell 25 is equivalent to a convergent hole, by the energy of sunlight
Amount gathers in second shell 26, to accelerate the reaction rate in spiral coil 22.First shell 25 and second shell 26 are equal
For hollow round table, material cost has not only been saved in this design, also improves the utilization rate of solar energy, is accelerated in spiral coil 22
Decomposition reaction process.
As shown in figures 3 to 6, the synthesis reactor 9 includes pedestal 27, fluid reaction section 28 and fluid deferent segment 29；Institute
One end that pedestal 27 is installed on fluid reaction section 28 is stated, the cold side outlet of second contra-flow heat exchanger 8 is connect with pedestal 27, institute
The other end for stating fluid reaction section 28 is connect with one end of fluid deferent segment 29, the other end and turbine of the fluid deferent segment 29
Machine 10 connects.Fluid reaction section 28, fluid deferent segment 29 and turbine 10 are located on same axis, and fluid reaction section 28 and stream
The connection of ring flange 40 is all made of between body deferent segment 29 between fluid deferent segment 29 and turbine, is torn open using ring flange
It unloads, improves the working efficiency of later maintenance.
The fluid reaction section 28 is anti-including the first annulus shell 30, the second annulus shell 31, thermal insulation layer 32 and 12
It should pipe 33；The second annulus shell 31 is set in the inner cavity of the first annulus shell 30, and 12 reaction tubes 33 are uniformly distributed
Between the first annulus shell 30 and the second annulus shell 31, one end of the first annulus shell 30 and the second annulus shell 31
It is connect by ring flange 40 with pedestal 27, one end of 12 reaction tubes 33 is right with the snorkel 38 in pedestal 27 respectively
It should be connected to, the other end of the first annulus shell 30 and the second annulus shell 31 passes through ring flange 40 and fluid deferent segment 29
Connection, the other end of 12 reaction tubes 33 is connected to the Round Porous column tube 34 of fluid deferent segment 29 respectively, described heat-insulated
Layer 32 is filled between the first annulus shell 30 and the second annulus shell 31.12 reaction tubes are wrapped in thermal insulation layer,
To reduce heat loss.Material cost can be not only saved using 12 reaction tubes, also improves and is urged in mixed gas and reaction tube
Change bed contact area, effectively improve reaction efficiency, meanwhile, in the case where reaction tube cross section is constant, pressure drop with react
The length of pipe is directly proportional, and a plurality of reacting pipe has better boost performance with respect to single conduit, so that reaction generates high temperature height
The gaseous ammonia of pressure helps to improve the mechanical efficiency of turbine.
The fluid deferent segment 29 includes 12 Round Porous column tube 34 and 12 hollow cylinder shells 35；It is described porous
Cylindrical tube 34 and hollow cylinder shell 35 correspond, and the Round Porous column tube 34 is set to the inner cavity of hollow cylinder shell 35
In, one end of each hollow cylinder shell 35 is connected by ring flange 40 and the first annulus shell 30 and the second annulus shell 31
It connects, and the reaction tube 33 is connected to by Round Porous column tube 34 with hollow cylinder shell 35, each hollow cylinder shell 35
The other end connect with turbine 10.The high pressure gaseous ammonia generated in reaction tube 33 is entered by Round Porous column tube 34
In hollow cylinder shell 35, the area of gas outlet can be increased using Round Porous column tube 34, improve the flow velocity of high pressure gaseous ammonia,
Improve the mechanical efficiency of turbine 10.
The pedestal 27 includes air inlet pipe 36, diffluence room 37 and 12 snorkel 38；The diffluence room 37 has one
The cold side outlet of import and 12 outlets, second contra-flow heat exchanger 8 is connected by the import of air inlet pipe 36 and diffluence room 37
Connect, the outlet of the diffluence room 37 and one end of snorkel 38 connect one to one, the other end of the snorkel 38 with react
Pipe 33 connects one to one.
With catalytic bed (catalyst in catalytic bed is nickel, iron oxide etc.) in reaction tube 33, the snorkel through pedestal 27
38 enter the H in reaction tube 332And N2Synthetic reaction occurs under the effect of the catalyst and releases a large amount of heat, reaction temperature can
650 DEG C or so are rapidly reached, the high pressure gaseous ammonia for reacting generation drains into hollow cylinder shell through the stomata of Round Porous column tube 34
In body 35, and enters in turbine 10 and do work.
A kind of working method of amino solar heat chemical cycle electricity generation system, includes the following steps,
When sunshine abundance, dish-style condenser 4 assembles sunlight, provides 700 DEG C of hot environments, high pressure for decomposition reactor 5
Liquid ammonia in holding vessel 1 is delivered in decomposition reactor 5 after the preheating of the first contra-flow heat exchanger 8, is occurred in decomposition reactor 5
Decomposition reaction: 2NH3+ΔH→N2+3H2, theoretically every mole of NH366.7KJ energy can be absorbed, realize solar energy-chemical energy
Conversion, reaction product through the first contra-flow heat exchanger 6 be will enter decomposition reactor 5 in liquid ammonia preheating after, be delivered to
High-pressure storage tanks 1 store, and realize the storage of solar energy；
When needing to carry out energy supply, start compressor 7, the H in high-pressure storage tanks 12, N2It is depressed into after high pressure and enters the
Two contra-flow heat exchangers 8 preheating, subsequently enter in synthesis reactor 9 (synthesis reactor 9 had both Brayton circulation combustion chamber
Function), synthetic reaction: 3H occurs2+N2→2NH3+ Δ H, theoretically every synthesis 1mol NH366.7KJ energy is discharged, reaction produces
Raw high pressure gaseous ammonia, which is directly entered in turbine 10, to do work, driving the first generator 14 power generation pushes directly on
Brayton circulation realizes chemical energy-mechanical energy conversion, and the reaction product finished of doing work enters waste heat boiler 11, reaction product
Waste heat exchanges heat with water, generates hot steam and steam turbine 13 is pushed to do work, and drives the second generator 15 by steam turbine 13
Power generation, completes a secondary Rankine circulation, and last reaction product is that will enter to close by the second contra-flow heat exchanger 8
At the H in reactor2, N2It after preheating, is returned in high-pressure storage tanks 1 with approaching the temperature of environment, completes closed cycle.
Product in the present invention using synthetic reaction pushes directly on Brayton circulation, then waste heat is used for Rankine and is followed
Ring, the two form combined cycle.Compressor 7 is by N2, H2It is depressed into high pressure, is synthesized using entering after the preheating of the second contra-flow heat exchanger 8
Reactor 9, synthesis reactor 9 are utilized synthetic reaction and discharge rapidly the property of big calorimetric instead of burning in Brayton circulation
The function of room, the high pressure gaseous NH of generation3It is directly entered acting in turbine 10 and completes Brayton circulation, driving first
Generator 14 generates electricity；Reaction product passes through waste heat boiler 11 again and water heat exchange generates superheated steam, and steam turbine 13 is pushed to complete
Rankine circulation, driving the second generator 15 power generation, end product flow through the second contra-flow heat exchanger 8 to approach the temperature of environment
It returns in high-pressure storage tanks 1 and completes closed cycle.
Show that the present invention uses direct output system not only and has considerable energy storage density by experiment, cost with
Also it is better than traditional list in terms of reaction efficiency and recycles the system exported by Rankine.Entire reaction process is easy to control,
Pollution-free non-corrosive, the design of simultaneous reactions equipment can use for reference mature ammonia synthesizing industry.
Above-mentioned specific embodiment is the preferred embodiment of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical solution of the present invention, are included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of amino solar heat chemical cycle electricity generation system, it is characterised in that: including decomposition unit, energy-storage units, heat release
Unit and generator unit；
The energy-storage units include high-pressure storage tanks, ammonia head tank and to ammonia pump；The high-pressure storage tanks have liquefied ammonia import, liquid
Ammonia outlet, air inlet, exhaust outlet and feedback outlet；The ammonia head tank is connected by the liquefied ammonia import to ammonia pump and high-pressure storage tanks
It connects, the liquefied ammonia outlet of the high-pressure storage tanks and air inlet are connect with decomposition unit；The exhaust outlet of the high-pressure storage tanks and
Feedback outlet is connect with heat releasing unit；
The decomposition unit includes dish-style condenser, decomposition reactor and the first contra-flow heat exchanger；The dish-style condenser gathers
Light center is connect with decomposition reactor, and the discharge end of the decomposition reactor is connect with the hot side inlet of the first contra-flow heat exchanger,
The hot end outlet of first contra-flow heat exchanger is connect with the air inlet of high-pressure storage tanks, the liquefied ammonia outlet of the high-pressure storage tanks
It is connect with the cold side inlet of the first contra-flow heat exchanger, the charging of the cold side outlet and decomposition reactor of first contra-flow heat exchanger
End connection；
The heat releasing unit includes compressor, the second contra-flow heat exchanger, synthesis reactor and turbine；The high-pressure storage tanks
Exhaust outlet is connect by compressor with the cold side inlet of the second contra-flow heat exchanger, the cold side outlet of second contra-flow heat exchanger and
The feed end of synthesis reactor connects, and the discharge end of the synthesis reactor and the input terminal of turbine connect, the turbine
Output end and the hot side inlet of the second contra-flow heat exchanger connect with generator unit, the hot end of second contra-flow heat exchanger goes out
Mouth is connect with the feedback outlet of high-pressure storage tanks.
2. amino solar heat chemical cycle electricity generation system according to claim 1, it is characterised in that: the generator unit
Including waste heat boiler, feed pump, steam turbine, the first generator and the second generator；The output end of the turbine respectively with
First generator is connected with the heat import of waste heat boiler, the heat of the waste heat outlet and the second contra-flow heat exchanger of the waste heat boiler
Import connection is held, the water inlet of the feed pump and waste heat boiler connects, the water outlet of the waste heat boiler and steam turbine
Input terminal connection, the output end of the steam turbine are connect with the second generator.
3. amino solar heat chemical cycle electricity generation system according to claim 1, it is characterised in that: the energy-storage units
It further include transformation tank and diffusion pump, the high-pressure storage tanks also have boost port, and the transformation tank is stored up by diffusion pump and high pressure
Deposit the boost port connection of tank.
4. amino solar heat chemical cycle electricity generation system according to claim 1, it is characterised in that: the decomposition reaction
Device includes entrance window, inlet pipeline, outlet conduit, spiral coil, insulating layer and hollow housing；The spiral coil is along hollow shell
The length direction of body coils in hollow housing, and the input end of the spiral coil passes through inlet pipeline and the first contra-flow heat exchanger
Cold side outlet connection, the outlet end of the spiral coil passes through the hot side inlet of outlet conduit and the first contra-flow heat exchanger company
It connects, the entrance window is set to an end face of hollow housing, and the optically focused center of the dish-style condenser is connect with entrance window, described
Insulating layer is wrapped in the outer surface of inlet pipeline, outlet conduit and hollow housing.
5. amino solar heat chemical cycle electricity generation system according to claim 4, it is characterised in that: further include fixed branch
Frame, the fixed bracket is along the inner cavity that the length direction of hollow housing is set to hollow housing, and close hollow housing is interior
Wall, the spiral coil coiling is in fixed bracket.
6. amino solar heat chemical cycle electricity generation system according to claim 4, it is characterised in that: the hollow housing
Including the first shell and second shell being connected；The first shell and second shell are in circular platform type, the first shell
Length be less than second shell, the bottom surface of the first shell is connected to the round table surface of second shell, and the spiral coil is along the
The length direction of two shells is coiled in second shell, and the inlet pipeline passes through second shell and the input end of spiral coil connects
It connects, the outlet conduit passes through second shell and the outlet end of spiral coil connects, and the entrance window is installed on first shell
Round table surface.
7. amino solar heat chemical cycle electricity generation system according to claim 1, it is characterised in that: the synthetic reaction
Device includes pedestal, fluid reaction section and fluid deferent segment；The pedestal is installed on one end of fluid reaction section, second adverse current
The cold side outlet of heat exchanger is connect with pedestal, and the other end of the fluid reaction section is connect with one end of fluid deferent segment, described
The other end of fluid deferent segment is connect with turbine.
8. amino solar heat chemical cycle electricity generation system according to claim 7, it is characterised in that: the fluid reaction
Section includes the first annulus shell, the second annulus shell, thermal insulation layer and several reaction tubes；The second annulus shell is set to
In the inner cavity of one annulus shell, several reaction tubes are uniformly distributed between the first annulus shell and the second annulus shell,
One end of the first annulus shell and the second annulus shell is connect with pedestal, and one end of several reaction tubes is and bottom
The other end of seat connection, the first annulus shell and the second annulus shell is connect with fluid deferent segment, and several described anti-
Should the other end of pipe be connected to fluid deferent segment, the thermal insulation layer be filled in the first annulus shell and the second annulus shell it
Between.
9. amino solar heat chemical cycle electricity generation system according to claim 7, it is characterised in that: the fluid output
Section includes several Round Porous column tubes and several hollow cylinder shells；The Round Porous column tube and hollow cylinder shell one are a pair of
Answer, and the Round Porous column tube is set in the inner cavity of hollow cylinder shell, one end of each hollow cylinder shell with
The connection of fluid reaction section, and the fluid reaction section is connected to by Round Porous column tube with hollow cylinder shell, it is each described hollow
The other end of cylindrical shell is connect with turbine.
10. a kind of work side based on amino solar heat chemical cycle electricity generation system of any of claims 1-9
Method, which comprises the steps of:
When sunshine abundance, dish-style condenser assembles sunlight, provides 500-700 DEG C of hot environment, high pressure storage for decomposition reactor
It deposits the liquid ammonia in tank to be delivered in the first contra-flow heat exchanger, enters in decomposition reactor after preheated, sent out in decomposition reactor
Raw decomposition reaction: 2NH3+ΔH→N2+3H2, realize the conversion of solar energy-chemical energy, reaction product is through the first contra-flow heat exchanger
After the liquid ammonia preheating in decomposition reactor will be entered, it is delivered to high pressure storage tank storage, realizes the storage of solar energy；
When needing to carry out energy supply, start compressor, the H in high-pressure storage tanks2, N2Enter the second adverse current after being depressed into high pressure
Heat exchanger preheating, subsequently enters synthesis reactor, carries out synthetic reaction: 3H2+N2→2NH3+ Δ H, reacts the high temperature and pressure of generation
Gaseous state NH3It is directly entered in turbine and does work, drive the first electrical power generators, that is, push directly on Brayton circulation and realize chemistry
The conversion of energy-mechanical energy, the reaction product finished of doing work enter waste heat boiler, and the waste heat of reaction product and the water of feed pump are changed
Heat generates hot steam and pushes steam turbine acting, drives the second electrical power generators by steam turbine, complete one it is secondary
Rankine circulation, last reaction product are the H that will enter in synthesis reactor by the second contra-flow heat exchanger2, N2Preheating
Afterwards, it is returned in high pressure storage tank with the temperature for approaching environment, completes closed cycle.
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