CN108005742A - The solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized - Google Patents
The solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized Download PDFInfo
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- CN108005742A CN108005742A CN201711226279.5A CN201711226279A CN108005742A CN 108005742 A CN108005742 A CN 108005742A CN 201711226279 A CN201711226279 A CN 201711226279A CN 108005742 A CN108005742 A CN 108005742A
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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
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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
-
- 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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a kind of solid oxide fuel cell that partially recycled can be utilized to drive cooling heating and power generation system, the system is made of fuel cell system, organic Rankine power subcycle system and ammonia absorption type refrigeration subcycle system, discharge fume after fuel cell system power generation first through waste heat boiler release heat drive organic Rankine power cycle power generation and heat supply, ammonia absorption refrigeration subcycle system is driven again and is driven in the wrong direction and is freezed, and the abundant of fuel is efficiently utilized with realizing.
Description
Technical field
The present invention relates to cooling heating and power generation system, more particularly to a kind of solid oxide fuel electricity that partially recycled can be utilized
Pond drives cooling heating and power generation system.
Background technology
The energy is the important substance basis that the mankind depend on for existence and development, in the high speed development of contemporary society, just largely
Consumption coal, the fossil energy such as oil.But fossil energy is non-renewable, and being continuously increased with consumption, fossil energy
Source has been increasingly becoming a kind of rare energy, develops and is increasingly skyrocketed using the cost of fossil energy.Therefore, seek sustainable, clear
The clean energy becomes the key subjects that countries in the world active demand solves.Solid oxide fuel cell (Solid Oxide Fuel
Cell, SOFC) it is the efficient generating apparatus that a kind of chemical energy with fuel is directly translated into electric energy, since it is from Kano
The limitation of circulation, efficient energy conversion is up to 70% or so, and the product of its reaction is mainly water and carbon dioxide (CO2), and water
It is pollution-free, CO2Discharge it is also more much lower than conventional method, therefore be a kind of clean energy resource truly.It is and tight in the energy
Lack with the serious severe situation of environmental pollution, fuel cell is because its energy conversion efficiency is high, environmental-friendly, noise is low and can connect
The advantages such as continuous work, apply and are constantly expanding.
Solid oxide fuel cell, due to its unique internal structure so that realize CO while work(is turned2Richness
Collection, is more advantageous to CO2Low energy consumption recycling.And the exhaust gas temperature of SOFC is higher, compound system can be integrated into other circulations
System, recycles exhaust energy, lifting system efficiency.General SOFC combined-circulations are from cathode after having been reacted in battery pile
Mixed combustion is carried out with the gas that anode comes out, further lifts the efficiency of fuel cell.But electrification is completed in battery pile
After learning reaction, the CO of anode2It is dense, be conducive to CO2Recycling, if the exhaust of itself and cathode is carried out mixed combustion, though
The efficiency of right fuel cell can improve, but the multiple gases such as oxygen, nitrogen gas and water and carbon dioxide are mixed, and are unfavorable for CO2
Recycling.There are cathode and anode discontiguous method of the research using SOFC, the complete mixed gas of anode exhaust unreacted is passed through
One afterburner, mixed combustion is carried out with pure oxygen.The product of burning only has CO2And water, water are separated by cooling down, CO2Concentration can
To reach 99%.And cathode only has oxygen and nitrogen, environment will not be impacted completely.This method can recycle well
CO2, but can be low compared to general SOFC combined efficiencies, and afterburner carries out pure oxygen burning, and temperature is very high, and burner is born
Lotus is larger.On this basis, it is partially recycled set forth herein being carried out to anode exhaust, SOFC batteries are again introduced into after being mixed with fuel
Heap, to ensure in preferably recycling CO2On the basis of, the combined efficiency of SOFC is not reduced.
Organic rankine cycle system (organic Rankine cycle, ORC) is using low-boiling-point organic compound as operation work
Matter, its more traditional power cycle have efficacious prescriptions with having more advantage in terms of middle low-temperature heat source matching as UTILIZATION OF VESIDUAL HEAT IN
One of formula.Under the conditions of different heat sources, different organic Rankine bottoming cycle structures and operation working medium are selected to lifting system
Thermal performance important in inhibiting.
In view of from fuel cell come out delivery temperature it is very high, for further lifting fuel utilization efficiency, the thermal efficiency and
Efficiency, can be coupled organic Rankine bottoming cycle with fuel cell, i.e. exhaust drives organic Rankine bottoming cycle to send out by waste heat boiler
Electricity and heat supply, be further Mist heat recovering since delivery temperature is still higher hereafter, can by from waste heat boiler out
Flue gas is introduced into ammonia absorption type cooling cycle system, so as to fulfill supply of cooling, heating and electrical powers, is provided newly for the Effec-tive Function of fuel cell
Solution route.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of solid oxide fuel that partially recycled can be utilized
Battery-driven cooling heating and power generation system, the system are absorbed by fuel cell system, organic Rankine power subcycle system and ammonia
Formula refrigeration subcycle system is formed, and is discharged fume after fuel cell system power generation first organic through waste heat boiler (HRVG) release heat drive
Rankine power cycle generates electricity and heat supply, then drives ammonia absorption refrigeration subcycle to freeze, to realize to the abundant efficient of fuel
Utilize.
To achieve these goals, technical scheme is as follows：
The solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized, including SOFC systems, have
Machine Rankine cycle system and ammonia absorption type cooling cycle system, the SOFC systems are electrochemically reacted, and externally export electric energy,
After the completion of the SOFC systems electrochemical reaction, fuel is reentered after the recovered heating of portion discharge of its anode of fuel cell
Galvanic anode is electrochemically reacted, and the exhaust of its fuel battery negative pole drives organic Rankine bottoming cycle system by residual heat boiler for exchanging heat
System externally acting, the exhaust after the heat exchange drive ammonia absorption type cooling cycle system to freeze by steam generator.
Further, in the SOFC systems, fuel preheats after fuel compressor compresses through heat exchanger V；Water is through pumping I
After pressurization, preheated through heat exchanger I；Water and fuel and the gaseous state work of the part of fuel galvanic anode discharge of recycling after pressurization preheating
Matter is mixed, and mixed working medium enters reformer after heat exchanger II heating and reforming reaction, the gaseous mixture after reformation occurs
Body is passed through anode of fuel cell.
Further, in the SOFC systems, air is after air compressor compresses, followed by heat exchanger IV and heat exchange
Device III is preheated, and the pressure-air after preheating is passed through fuel battery negative pole.
Further, the mixed gas for being passed through anode of fuel cell is with being passed through the air of fuel battery negative pole in fuel
Electrochemical reaction occurs for inside battery, externally exports electric energy.
Further, after the completion of the electrochemical reaction, the exhaust of fuel battery negative pole becomes after turbine I expansion works
Low pressure lack of gas, the low pressure lack of gas, which enter in heat exchanger IV, preheats air, waste heat boiler is subsequently passed, in waste heat boiler
It is interior to carry out heat exchange to drive organic rankine cycle system externally to do work.
Further, after the completion of the electrochemical reaction, the exhaust of anode of fuel cell first passes through the pre- thermogravimetrics of heat exchanger II
Mixed working fluid before whole, after be divided into two-way, all the way with pressurization preheat after fuel and pressurization preheat after water mix, all the way into
Enter burner and be sufficiently mixed rear completely burned with oxygen.
Further, the high-temperature exhaust air in the burner after completely burned passes sequentially through heat exchanger III and air is carried out
Preheating, heat exchanger V the fuel after pressurization is preheated and heat exchanger I the water after pressurization is preheated after enter CO2Point
From recovery system.
Further, the CO2Separation and recovery system carries out the gaseous product of entrance cooling compression processing, to recycle
Water and CO in product2, the recovery product water reenters SOFC systems by pumping I.
Further, in the organic rankine cycle system, organic working medium gas enters in turbine II to pass through after expansion work
Regenerator I exchanges heat, and then flows into condenser I, and saturated solution is condensed into condenser I, while external by condenser I
Boundary's heat supply；Condensed liquid refrigerant is preheated after pump II pressurizations into regenerator I, more than the organic working medium entrance after preheating
It is heated to be the organic working medium gas of overheat in heat boiler from liquid organic working medium again by fuel cell cathode exhaust gas, enters afterwards
Turbine II expansion works, carry out next working cycles.
Further, in the ammonia absorption refrigeration systems, from the element task liquid that absorber comes out after pump III pressurizations
It is introduced into regenerator II to be preheated, is then heated in a vapor generator；Through steam generator heat caused by saturation
Steam, which enters, carries out rectifying in rectifying column, tower top obtains the ammonia saturated vapor of high concentration, and bottom of towe obtains dilute saturated solution；Rectifying column
Dilute saturated solution of bottom of towe is discharged after flowing back into steam generator from generator bottom, is flowed subsequently through Recuperative heat exchanger II and is changed
Heat, then reenters in absorber after throttle valve I throttlings；The high strength ammonia saturated vapor of rectifying column tower top enters condenser
II is condensed into saturated solution, then enters sweat cooling in evaporator after throttle valve II throttlings；The ammonia of evaporator outlet steams
Vapour enters in absorber to be absorbed by weak solution, so as to complete a cyclic process.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) fuel cell is generated electricity by electrochemical reaction, cleanliness without any pollution, and cathode and anodic product do not connect
Touch, easy to recycle the carbon dioxide in anode waste gas, cathode working medium only has oxygen and nitrogen easy to utilize, and will not pollute air
Environment.
(2) SOFC fuel battery negative poles only have oxygen and nitrogen, and delivery temperature is high, and more compared to anode quantity, this Federation of Literary and Art Circles
SOFC systems with organic Rankine bottoming cycle and kind of refrigeration cycle integrate for system and are coupled, increase circular work amount and refrigerating capacity,
And recovery section heat carry out heat supply, lifting the co-feeding system thermal efficiency andEfficiency.
(3) organic Rankine bottoming cycle uses back-heating type, and working medium is stablized using toluene as cycle fluid, toluene property, and with
System matches are preferable, are conducive to the recycling of fuel battery negative pole waste heat；Kind of refrigeration cycle uses ammonia absorption type cooling cycle system,
Ammonia absorption type Refrigeration Technique comparative maturity, good refrigeration effect and element are simple, small, easy to the practical application of integrated system.
(4) fuel cell anode outlet exhaust can carry out it is partially recycled and recycling ratio it is adjustable, adjustable extent be 0~0.3.
The exhaust come out from anode includes CO, CO2、H2And H2O, carries out partially recycled, can lift fuel availability and fuel cell
Generated energy, and the load of burner and reformer is reduced, extend its service life.In the case where water vapour carbon ratio is certain, into
The partially recycled demand that can also be reduced to outside water of row, can reduce cost.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are used to explain the application, do not form the improper restriction to the application.
Fig. 1 is cooling heating and power generation system of the present invention based on SOFC drivings.
Wherein, T1- turbines I；T2- turbines II；HE1- heat exchangers I；HE2- heat exchangers II；HE3- heat exchangers III；HE4- is changed
Hot device IV；HE5- heat exchangers V；R- pre-reformers；R1- regenerators I；B- burners；R2- regenerators II；Con1- condensers I；
Con2- condensers II；P1- pumps I；P2- pumps II；P3- pumps III；HRVG- waste heat boilers；C1- fuel compressors；C2- air compresses
Machine；C3-CO2Compressor；V1- expansion valves I；V2- expansion valves II；Rec- rectifying columns；G- steam generators；Abs- absorbers；
Eva- evaporators；SOFC- fuel cells.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
It is noted that described further below is all illustrative, it is intended to provides further instruction to the application.It is unless another
Indicate, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
In the present invention, term as " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ", " side ",
The orientation or position relationship of instructions such as " bottoms " are based on orientation shown in the drawings or position relationship, only to facilitate describing this hair
Bright each component or component structure relation and definite relative, not refer in particular to either component or element in the present invention, it is impossible to understand
For limitation of the present invention.
In the present invention, term such as " affixed ", " connected ", " connection " should be interpreted broadly, and expression can be fixedly connected,
Can also be integrally connected or be detachably connected；It can be directly connected, can also be indirectly connected by intermediary.For
The related scientific research of this area or technical staff, can determine the concrete meaning of above-mentioned term in the present invention as the case may be,
It is not considered as limiting the invention.
As background technology is introduced, also there are energy scarcity and the energy using causing environmental pollution in the prior art
Problem, in order to solve technical problem as above, this application provides a kind of solid oxide fuel electricity that partially recycled can be utilized
Pond drives cooling heating and power generation system, and the system is by fuel cell system, organic Rankine power subcycle system and ammonia absorption type system
The hail circulatory system is formed, and cathode is discharged fume and first moved through waste heat boiler release heat drive organic Rankine after fuel cell system power generation
Power circulating generation and heat supply, then ammonia absorption refrigeration subcycle is driven, while anode of fuel cell portion discharge recycles, with reality
Now the abundant of fuel is efficiently utilized.
As shown in Figure 1, a kind of solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized, bag
SOFC systems, organic Rankine bottoming cycle (ORC) system and ammonia absorption type cooling cycle system are included, the SOFC systems carry out electrochemistry
Reaction, externally exports electric energy, and after the completion of the SOFC systems electrochemical reaction, the portion discharge of its anode of fuel cell is recovered
Reenter anode of fuel cell after heating to be electrochemically reacted, the exhaust of its fuel battery negative pole passes through waste heat boiler
(HRVG) acting of heat exchange driving organic Rankine bottoming cycle (ORC) system external, the exhaust after the heat exchange are driven by steam generator
Dynamic ammonia absorption refrigeration systems are freezed.
The SOFC systems include fuel cell (SOFC), pump I (P1), fuel compressor (C1), reformer (R), burning
Device (B), air compressor (C2), turbine I (T1), heat exchanger I (HE1), heat exchanger II (HE2), heat exchanger III (HE3), heat exchange
Device IV (HE4) and heat exchanger V (HE5).
In the SOFC systems, fuel (1) preheats after fuel compressor (C1) compression (2) through heat exchanger V (HE5)
(3)；Water (15) preheats (17) after pump I (P1) pressurizations (16), through heat exchanger I (HE1)；Water (17) and pressurization after pressurization preheating
Fuel (3) after preheating is mixed with the gaseous working medium (8f) for the part of fuel galvanic anode discharge recycled, mixed work
Matter (4) after heat exchanger II (HE2) heating (5) enters reformer (R) and reforming reaction, water and fuel, such as methane, through reforming occurs
Carbon monoxide and hydrogen are generated afterwards, and the mixed gas (6) after reformation enters the anode of fuel cell；Air (18) is first through air pressure
Contracting machine (C2) compresses (19), and (20) are preheated by heat exchanger IV (HE4), then enters fuel electricity after heat exchanger III (HE3) preheatings
The cathode in pond；Mixed gas and the air of the cathode into fuel cell into anode of fuel cell are sent out in fuel battery inside
Raw electrochemical reaction, externally exports electric energy.
After the completion of electrochemical reaction of fuel battery, the exhaust (22) come out from cathode is first after turbine I (T1) expansion work
Become low pressure lack of gas (23), after low pressure lack of gas (23) are by heat exchanger IV (HE4) preheated air (24), be passed through waste heat boiler
(HRVG) driving organic Rankine bottoming cycle externally does work in；After the completion of electrochemical reaction of fuel battery, from the exhaust (7) of anode out
First pass through the mixed working fluid before heat exchanger II (HE2) pre- thermal reforming, after be divided into two-way, all the way (8f) with pressurization preheating after combustion
Expect water (17) mixing after (3) and pressurization preheating, (9) mix abundant completely burned into burner (B) with oxygen (10) all the way.
The gaseous product (11) after completely burned from burner out passes sequentially through heat exchanger III (HE3) to air
Preheated (12), after heat exchanger V (HE5) preheats the fuel after pressurization (13) and heat exchanger I (HE1) to pressurization
Water is preheated (14) and enters CO afterwards2Separation and recovery system.
CO2Separation and recovery system carries out the gaseous product of entrance cooling compression processing, to the water in recovery product and
CO2, the recovery product water reenters SOFC systems by pumping I.
The organic rankine cycle system includes waste heat boiler (HRVG), turbine II (T2), regenerator I (R1), condenser I
(Con1) and pump II (P2).When system works, organic working medium gas (27) enters turbine II (T2) interior expansion work, and acting comes out
Low pressure lack of gas (28) first exchange heat (29) through regenerator I (R1), condenser I (Con1) is then flowed into, and at condenser I (Con1)
Saturated solution (30) is condensed into, while by condenser I (Con1) to extraneous heat supply；Condensed liquid refrigerant is through pumping II (P2)
(31) are preheated into regenerator I (R1) after pressurization, and the organic working medium (32) after preheating enters quilt in waste heat boiler (HRVG)
Fuel cell cathode exhaust gas is heated to be the organic working medium gas of overheat from liquid organic working medium again, is done afterwards into turbine expansion
Work(, carries out next working cycles.
Ammonia absorption type cooling cycle system is driven from the high-temperature gas that waste heat boiler comes out as driving heat source, is made
It is cold.
The ammonia absorption type cooling cycle system include steam generator (G), rectifying column (Rec), condenser II (Con2),
Throttle valve I (V1), throttle valve II (V2), regenerator II (R2), evaporator (Eva), absorber (Abs) and pump III (P3).The system
In SAPMAC method system, from the element task liquid (33) that absorber comes out, (34) are introduced into regenerator II after pump III (P3) pressurization
(R2) exchange heat (35), be then heated by the exhaust gas in steam generator (G)；Through saturation caused by steam generator (G) heating
Steam (39), which enters, carries out rectifying in rectifying column (Rec), tower top obtains the ammonia saturated vapor of high concentration, and it is molten that bottom of towe obtains dilute saturation
Liquid (40)；Dilute saturated solution (40) at rectifying tower bottom flows back into after steam generator and discharges (36) from generator bottom, then
Flow through Recuperative heat exchanger II (R2) to be exchanged heat (37), then (38) enter absorber (Abs) after throttle valve I (V1) throttlings
It is interior；The high strength ammonia saturated vapor (41) of rectifying column tower top is condensed into saturated solution (42) into condenser II (Con2), so
(43) enter evaporator (Eva) interior sweat cooling after throttling by throttle valve II (V2)；The ammonia steam (44) of evaporator outlet into
Enter in absorber and absorbed by weak solution (19), so as to complete a cyclic process.
In specific implementation, the present invention establishes the thermodynamical model of cooling heating and power generation system with EES softwares.For side
Just analysis and discussion, the molar flow for selecting fuel methane herein is 0.0616mols-1, organic Rankine power subcycle has
Machine cycle fluid is toluene, other input parameter value of co-feeding system are as shown in table 1.
1 system input parameter of table
According to the thermodynamical model of foundation and the physical parameter of working medium, the thermodynamic parameter of each state point of system is calculated
Value, as shown in table 2.The performance result of calculation of the new cooling heating and power generation system is as shown in table 3, and result of calculation shows, is designing
Under operating mode, the proposed cooling heating and power generation system alliance thermal efficiency is 72.27%, allianceEfficiency is 56.81%, organic
Rankine power subcycle efficiency is 21.03%, and ammonia absorption type refrigeration COP is 0.4804.
The result of calculation of each point during table 2 circulates
3 co-feeding system performance parameter of table
The foregoing is merely the preferred embodiment of the application, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (10)
1. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized, it is characterised in that：Including
SOFC systems, organic rankine cycle system and ammonia absorption refrigeration systems, the SOFC systems are electrochemically reacted, externally defeated
Go out electric energy, after the completion of the SOFC systems electrochemical reaction, after the recovered heating of portion discharge of its anode of fuel cell again
It is electrochemically reacted into anode of fuel cell, the exhaust of its fuel battery negative pole is driven organic bright by residual heat boiler for exchanging heat
The willing circulatory system is externally done work, and the exhaust after the heat exchange drives ammonia absorption type cooling cycle system to carry out by steam generator
Refrigeration.
2. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, in the SOFC systems, fuel preheats after fuel compressor compresses through heat exchanger V；Water through pump I pressurization after,
Preheated through heat exchanger I；Water and fuel and the gaseous working medium of the part of fuel galvanic anode discharge of recycling after pressurization preheating carry out
Mixing, mixed working medium enter reformer after heat exchanger II heating and reforming reaction occur, and the mixed gas after reformation is passed through
Anode of fuel cell.
3. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, in the SOFC systems, air is after air compressor compresses, followed by heat exchanger IV and heat exchanger III
Preheated, the pressure-air after preheating is passed through fuel battery negative pole.
4. the solid oxide fuel cell driving supply of cooling, heating and electrical powers system that partially recycled can be utilized as claimed in claim 2 or claim 3
System, it is characterised in that the mixed gas for being passed through anode of fuel cell is with being passed through the air of fuel battery negative pole in fuel electricity
Electrochemical reaction occurs inside pond, externally exports electric energy.
5. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, after the completion of the electrochemical reaction, it is weary that the exhaust of fuel battery negative pole becomes low pressure after turbine I expansion works
Gas, the low pressure lack of gas, which enter in heat exchanger IV, preheats air, is subsequently passed waste heat boiler, is carried out in waste heat boiler
Heat exchange is driving organic rankine cycle system externally to do work.
6. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, after the completion of the electrochemical reaction, the exhaust of anode of fuel cell is first passed through before the pre- thermal reformings of heat exchanger II
Mixed working fluid, after be divided into two-way, all the way with pressurization preheat after fuel and pressurization preheating after water mix, all the way into burn
Device is sufficiently mixed rear completely burned with oxygen.
7. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 6,
Air is preheated, is changed it is characterized in that, the gaseous product in the burner after completely burned passes sequentially through heat exchanger III
Hot device V preheats the fuel after pressurization and heat exchanger I the water after pressurization is preheated after enter CO2Separation and recovery system
System.
8. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 7,
It is characterized in that, the CO2Separation and recovery system carries out the gaseous product of entrance cooling compression processing, in recovery product
Water and CO2, the recovery product water reenters SOFC systems by pumping I.
9. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, in the organic rankine cycle system, organic working medium gas enters in turbine II after expansion work through regenerator I
Heat exchange, then flows into condenser I, and saturated solution is condensed into condenser I, while by condenser I to extraneous heat supply；
Condensed liquid refrigerant is preheated after pump II pressurizations into regenerator I, and the organic working medium after preheating enters waste heat boiler
The middle organic working medium gas for being heated to be overheat from liquid organic working medium again by fuel cell cathode exhaust gas, afterwards into turbine II
Expansion work, carries out next working cycles.
10. the solid oxide fuel cell driving cooling heating and power generation system that partially recycled can be utilized as claimed in claim 1,
It is characterized in that, in the ammonia absorption type cooling cycle system, from the element task liquid that absorber comes out after pump III pressurizations first
Preheated into regenerator II, be then heated in a vapor generator；Through steam generator heat caused by saturation steam
Vapour, which enters, carries out rectifying in rectifying column, tower top obtains the ammonia saturated vapor of high concentration, and bottom of towe obtains dilute saturated solution；Rectifying tower
Dilute saturated solution at bottom is discharged after flowing back into steam generator from generator bottom, is flowed subsequently through Recuperative heat exchanger II and is changed
Heat, then reenters in absorber after throttle valve I throttlings；The high strength ammonia saturated vapor of rectifying column tower top enters condenser
II is condensed into saturated solution, then enters sweat cooling in evaporator after throttle valve II throttlings；The ammonia of evaporator outlet steams
Vapour enters in absorber to be absorbed by weak solution, so as to complete a cyclic process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226279.5A CN108005742B (en) | 2017-11-29 | 2017-11-29 | Solid oxide fuel cell driven combined cooling, heating and power system capable of being partially recycled |
Applications Claiming Priority (1)
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| CN109184830A (en) * | 2018-09-14 | 2019-01-11 | 东南大学 | A kind of fuel/oxygen combustion product and CO2Mixed working fluid circulation electric generating apparatus |
| CN109958534A (en) * | 2019-03-29 | 2019-07-02 | 山东大学 | Utilize the reverse-flow type fuel cell generation and its working method of LNG cold energy |
| CN110500808A (en) * | 2018-05-16 | 2019-11-26 | 国家电投集团氢能科技发展有限公司 | Electric cold supply system |
| CN110544786A (en) * | 2019-08-12 | 2019-12-06 | 山东大学 | Combined cooling, heating and power system of high-temperature proton exchange membrane fuel cell and working method thereof |
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| CN114352367A (en) * | 2022-01-07 | 2022-04-15 | 北京石油化工学院 | Compound combined supply system based on natural gas reforming hydrogen production and fuel cell |
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| CN109958534A (en) * | 2019-03-29 | 2019-07-02 | 山东大学 | Utilize the reverse-flow type fuel cell generation and its working method of LNG cold energy |
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| CN110544786B (en) * | 2019-08-12 | 2020-10-16 | 山东大学 | Combined cooling, heating and power system of high-temperature proton exchange membrane fuel cell and working method thereof |
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| CN111365131B (en) * | 2020-02-25 | 2021-02-05 | 山东大学 | Power-cooling combined supply system driven by exhaust smoke waste heat of gas turbine and method thereof |
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| CN111900432A (en) * | 2020-06-11 | 2020-11-06 | 山东大学 | Solid oxide fuel cell system, power-cooling combined supply system and method thereof |
| CN111900432B (en) * | 2020-06-11 | 2021-06-25 | 山东大学 | Solid oxide fuel cell system, power-cooling combined supply system and method thereof |
| CN111706431A (en) * | 2020-06-16 | 2020-09-25 | 山东晟卓信息技术有限公司 | SOFC power and cooling combined supply system based on external reforming |
| CN112145247A (en) * | 2020-07-31 | 2020-12-29 | 华电电力科学研究院有限公司 | Flexible and efficient power generation system and method for coupling solar energy and hydrogen energy organic Rankine cycle |
| CN114447374A (en) * | 2020-10-30 | 2022-05-06 | 上海汽车集团股份有限公司 | Hydrogen fuel cell cold start system, combined cooling heating and power system and combined cooling heating and power method |
| CN113046134A (en) * | 2021-02-05 | 2021-06-29 | 中国能源建设集团江苏省电力设计院有限公司 | Combined cooling, heating and power generation system and method based on dual fluidized bed gasification and fuel cell |
| CN112983583A (en) * | 2021-02-24 | 2021-06-18 | 中国石油大学(华东) | Distributed combined supply system of oil field combined station |
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| CN113530626A (en) * | 2021-07-15 | 2021-10-22 | 山东大学 | Fuel cell waste heat power generation system based on organic Rankine cycle |
| CN114300707A (en) * | 2021-12-15 | 2022-04-08 | 山东大学 | Integrated biomass gasification and fuel cell integrated energy system |
| CN114300707B (en) * | 2021-12-15 | 2023-09-29 | 山东大学 | Integrated biomass gasification and fuel cell integrated comprehensive energy system |
| CN114352367A (en) * | 2022-01-07 | 2022-04-15 | 北京石油化工学院 | Compound combined supply system based on natural gas reforming hydrogen production and fuel cell |
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