CN208835191U - A kind of fuel cell generation - Google Patents
A kind of fuel cell generation Download PDFInfo
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- CN208835191U CN208835191U CN201821751630.2U CN201821751630U CN208835191U CN 208835191 U CN208835191 U CN 208835191U CN 201821751630 U CN201821751630 U CN 201821751630U CN 208835191 U CN208835191 U CN 208835191U
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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
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Abstract
The utility model provides the fuel cell generation of a kind of fuel cell and heat pump united circulation composition, use liquid hydrogen storage media as fuel, including concentrated solution import, weak solution outlet, solution circulation pump, heat pump system, the first regenerator, the second regenerator, heater, hydrogen generator, fuel cell pile, air supply system and coolant circulation system, the heat pump system includes direct current compressor, condenser, restricting element and evaporator.Concentrated solution dissolved with hydrogen is after solution circulation pump pressurizes, successively temperature rise three times is obtained in heat pump system, the first regenerator and heater, then it decomposes in hydrogen generator and reacts and release hydrogen, hydrogen enters the fuel cell pile after the cooling of the second regenerator and generates electricity.The utility model is by using efficient heat pump and backheat heating method, compared in such a way that an electric heater is individually heated, required consumed electric energy in hydrogen generating process can be greatly reduced, help to improve the generating efficiency of fuel cell generation and the comprehensive utilization ratio of hydrogen energy source.
Description
Technical field
The present invention relates to fuel cell technologies and heat pump techniques, pertain generally to the energy and power technology field.
Background technique
In numerous new energy, hydrogen energy source due to having many advantages, such as that resourceful, no pollution, renewable, energy density is high,
It is considered as one of optimal energy form.In recent years, with the shortage of fossil fuel and the pressure of sustainable development, Hydrogen Energy
Development and utilization seem and become more and more important that the major automobile vendor in the whole world increases the exploitation dynamics of hydrogen cell automobile one after another, and
The storage that a universal important bottleneck of hydrogen cell automobile is hydrogen is restricted at present.Fuel cell car mainly uses at present
The mode of high-pressure gaseous hydrogen storage, this mode have the shortcomings that pressure store is high, storage density is small.Such as it is relatively first in the world at present
Into pressure be 70MPa, carbon fiber+Kevlar composite hydrogen container that volume is 60L is also only capable of the hydrogen of 5 kilograms of storage.
Due to the limitation of this storage volume, so that the course continuation mileage of fuel cell car is difficult to increase substantially.In addition, so
Under high hydrogen storage pressure, all there is biggish security risk, Yi Fa in the positions such as hydrogen container, pipeline, valve of fuel cell system
The safety accidents such as raw leakage, infiltration, explosion, explosion.
To solve the problems of above-mentioned high-pressure gaseous hydrogen storage, some normal temperature and pressure liquid hydrogen storage technologies are developed
Come.Such as the liquid organic hydrides hydrogen storage technology that has already appeared at present, by certain hydrogen storage solution (certain alkene, alkynes or
The hydrogen storing agents such as aromatic hydrocarbon) and the reversible reaction of hydrogen realize plus hydrogen and dehydrogenation, to realize reversible hydrogen storage.This hydrogen storage mode
Compared with high-pressure gaseous hydrogen storage and high pressure low temperature liquid hydrogen storage mode, have that temperature is low, pressure is low, is not easy to leak, appearance used
Device is low in cost, many advantages, such as being readily transported and conveying.But the reaction process of hydrogen storage solution hydrogenation and dehydrogenation is stated in realization
In, certain links need to heat, and such as the smooth dehydrogenation for realizing hydrogen, generally require for solution to be heated to 100 DEG C or more
Temperature.Since the operating temperature of hydrogen fuel cell itself is lower (generally 50 DEG C or so), in order to reach so high dehydrogenation temperature
Degree, it is necessary to use electrically heated mode, that is, sacrifice a part of electric power that fuel cell itself is issued to realize Heating Dehydrogenation.By
It is consistently less than 1 in the efficiency of direct electro heating mode, and required electrical heating power can reach fuel cell power generation function sometimes
10% or more of rate enables this consumption fuel cell itself electricity to make the mode of hydrogen storage solution Heating Dehydrogenation
The generating efficiency of liquid hydrogen storage fuel cell entirety greatly declines, it is therefore desirable to be improved.
Summary of the invention
The electric energy that the present invention needs to consume a large amount of high-quality for liquid hydrogen storage fuel cell generation releases hydrogen to heat,
The problem of comprehensive electric generating efficiency and generated energy to cause liquid hydrogen storage fuel cell generation decline, proposes a kind of base
In the hydrogen fuel cell electricity generation system of fuel cell and vapor compression heat pump combined cycle.
Since heat pump can promote the temperature of heat source, and the heating efficiency of heat pump is higher (can be usually reached 2 or more), therefore
One natural idea is that the temperature of fuel cell system waste heat is improved by heat pump, as the heat heated to fuel
Source, power consumption needed for reducing fuel dehydrogenation, improves the comprehensive energy utilization efficiency of fuel cell generation.
Further, the present invention also uses backheat technology, to make full use of heat of the fuel in discharge process, into one
Step improves the comprehensive energy utilization efficiency of fuel cell generation.
Fuel cell generation of the present invention, comprising: concentrated solution import, weak solution outlet, solution circulation pump, heat
Pumping system, the first regenerator, the second regenerator, heater, hydrogen generator, fuel cell pile, air supply system and cold
But fluid circulation.
The hydrogen source of the fuel cell generation is in liquid hydrogen storage fuel, i.e. hydrogen storage solution, wherein joined hydrogen
The hydrogen storage solution of gas is referred to as concentrated solution in the present invention, and releases the less hydrogen storage solution of the hydrogen content after hydrogen in this hair
It is referred to as weak solution in bright.
The hydrogen generator has the first port, the second port and third connectivity mouth, contains in the hydrogen generator
Catalyst.After concentrated solution after heating three times enters the hydrogen generator by the first port, under the effect of the catalyst
It decomposes reaction, hydrogen is precipitated.The hydrogen of precipitation is exported from the second port of the hydrogen generator, to supply the fuel
Hydrogen required for battery stack.Concentrated solution after hydrogen is precipitated becomes weak solution, by the third connectivity mouth of the hydrogen generator
Flow out the hydrogen generator.
The fuel cell pile has hydrogen inlet, hydrogen outlet, air intlet, air outlet slit, cooling liquid inlet, cold
But liquid outlet, positive terminal and negative terminal.
The air supply system includes air cleaner and air pressurizing unit, and the air supply system is the fuel
Battery stack supplies air.
The heat pump system includes direct current compressor, condenser, restricting element, evaporator, they are successively connected by pipeline
It picks up and, refrigerant is filled in pipeline.
The coolant circulation system includes coolant recirculation pump, filter, expansion tank, by-passing valve, radiator and heat dissipation
Fan.There is coolant liquid constantly to circulate in the coolant circulation system wherein.
Concentrated solution enters the fuel cell generation by the concentrated solution import, successively in the heat pump system, institute
It states and is heated and obtained temperature rise three times in the first regenerator and the heater gradually, reach temperature required for decomposition reaction
Afterwards, the hydrogen generator is entered by the first port of the hydrogen generator, concentrated solution occurs in the hydrogen generator
Decomposition reaction simultaneously releases gaseous hydrogen, and the liquid hydrogen storage media for having released hydrogen becomes weak solution.Hydrogen is by second
Port flows out the hydrogen generator, and weak solution flows out the hydrogen generator by third connectivity mouth.Flow out hydrogen generator
Weak solution first flows through the first regenerator, after rejecting heat to concentrated solution in the first regenerator, then is exported by the weak solution
Flow out the fuel cell generation.By comprehensively utilizing above three heating process, concentrated solution can be heated to 150 DEG C
More than, so that it is guaranteed that hydrogen storage media can smoothly decomposite hydrogen in hydrogen generator.
The hydrogen of outflow hydrogen generator first passes through the second regenerator, and hydrogen transfers heat to cold in the second regenerator
But then liquid, greenhouse cooling are entered inside the fuel cell pile by the hydrogen inlet of fuel cell pile.Air is by empty
Air cleaner, after filtering out dust and harmful chemicals particle therein, after air pressurizing unit boosts, by fuel cell pile
Air intlet enters the inside of the fuel cell pile.Oxygen hair in the inside of fuel cell pile, in hydrogen and air
Raw electrochemical reaction, generates direct current, while generating water and heat.Direct current passes through the positive terminal of fuel cell pile and bears
Binding post is output to the outside energy, to drive related electrical equipment to do work, and as the power supply of direct current compressor.Unreacted
The fuel cell pile is discharged from air outlet slit in the water of complete air and generation, and the complete hydrogen of unreacted is then from hydrogen outlet
The fuel cell pile is discharged.
Heat inside fuel cell pile is taken away by the cooling recirculation system.Coolant liquid at radiator outlet is passed through
After filter filtering, it is pressurized by coolant liquid circulating pump, is then divided into two-way.Coolant liquid first flows through the interior of fuel cell pile all the way
Portion absorbs heat caused by electrochemical reaction wherein, cools down fuel cell pile, while coolant temperature liter
Height enters back into the evaporator of heat pump system.On the road evaporator Zhong Ci, coolant liquid transfers heat to refrigerant, and passes through heat pump system
The circulation of refrigerant in system, realization transfer heat to concentrated solution within the condenser, reach the temperature of fuel cell pile waste heat
Degree is used to heat the purpose of concentrated solution after improving.Another way coolant liquid enters the second regenerator, absorbs occur from hydrogen wherein
The heat of the hydrogen of device outflow, makes hydrogen be cooled down before entering fuel cell pile.Flow out evaporator and the second backheat
After the two-way coolant liquid of device is converged, radiator is returned.In radiator, coolant liquid is transferred heat to is forced by radiator fan
The air of convection current, temperature are reduced to the temperature close to surrounding air, to have cooling fuel cell pile again and enter combustion
Expect the ability of the hydrogen of battery stack.
Detailed description of the invention
Fig. 1 is the flow chart of fuel cell generation of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
Referring to FIG. 1, the embodiment provides a kind of fuel cell generation, the system include concentrated solution into
Mouth 1, weak solution export 2, solution circulation pump 3, heat pump system 30, the first regenerator 8, the second regenerator 9, heater 10, hydrogen
Generator 11, fuel cell pile 12 and air supply system and coolant circulation system.
The heat pump system 30 includes direct current compressor 4, condenser 5, restricting element 6, evaporator 7, they pass through pipeline
It is connected in turn, refrigerant is filled in pipeline.Direct current compressor 4 has air entry and exhaust outlet.Condenser 5 has molten
Liquid entrance 5a, taphole 5b, condensation entrance 5c and condensate outlet 5d.Evaporator has coolant inlet 7a, cooling liquid outlet
7b, evaporation entrance 7c and evaporation outlet 7d.
Condenser 5 is a heat exchanger, and wherein side is concentrated solution circulation passage, and the other side is refrigerant condensation channel.
The gaseous refrigerant for the high temperature and pressure being discharged from the exhaust outlet of direct current compressor 4 enters condenser 5 from condensation entrance 5c, wherein
After condensing heat release, become liquid refrigerant, is flowed out from condensate outlet 5d.The concentrated solution of low temperature enters condenser by solution inlet 5a
5, the condensation heat heating discharged by the refrigerant of the other side, temperature is increased, is flowed out from taphole 5b.
Evaporator 6 is a heat exchanger, and wherein side is coolant liquid circulation passage, and the other side is refrigerant evaporation channel.
Refrigerant after the throttling of restricting element 6 enters evaporator 7 from evaporation entrance 7c, wherein after evaporation endothermic, becomes gaseous state system
Cryogen, from evaporation outlet, 7d flows out evaporator 7, and returns to the air entry of direct current compressor 4.Coolant liquid by coolant inlet 7a into
Enter evaporator 7, discharge heat to the refrigerant in evaporating state of the other side, temperature reduces, and flows out from cooling liquid outlet 7b.
First regenerator 8 is a recuperator, with first interface 8a, second interface 8b, third interface 8c and
4th interface 8d.First regenerator 8 can be divided into cold flow side and hot-fluid side, and cold flow side includes the first interface 8a of connection
With second interface 8b, hot-fluid side includes the third interface 8c and the 4th interface 8d of connection.
Second regenerator 9 is a recuperator, with first port 9a, second port 9b, third port 9c and
4th port 9d.Second regenerator 9 can also be divided into cold flow side and hot-fluid side, and cold flow side includes the first port of connection
9a and second port 9b, hot-fluid side include the third port 9c and the 4th port 9d of connection.
Heater 10 has input terminal 10a and output end 10b, in general, the heater 10 is electric heater, from input terminal
The concentrated solution that 10a is flowed into flows out after the heating of heater 10 from output end 10b.
Hydrogen generator 11 includes the first port 11a, the second port 11b and third connectivity mouth 11c, is filled with urges inside it
Agent.After the concentrated solution rich in hydrogen with certain pressure and temperature enters hydrogen generator 11 by the first port 11a, it is being catalyzed
Under the action of agent, solution is decomposed reaction, releases hydrogen, while the concentration of solution reduces.Hydrogen generator 11 has both gas
Liquid separation function, so that the hydrogen after separation is exported from the second port 11b, and the weak solution of the weary hydrogen after separating is then logical from third
Mouth 11c flows out the hydrogen gas segregator.
Fuel cell pile 12 has hydrogen inlet 12a, hydrogen outlet 12b, air intlet 12c, air outlet slit 12d, cold
But liquid import 12e, cooling liquid outlet 12f, positive terminal 12p and negative terminal 12n.Made by electrochemical reaction by hydrogen
Oxygen in the hydrogen of import 12a entrance and the air entered by air intlet 12c occurs in the inside of fuel cell pile 12
Electrochemical reaction generates direct current, while generating water and a large amount of heat.The direct current that fuel cell pile generates passes through pile
Positive terminal 12p and pile negative terminal 12n are output to outside pile, so that electrical equipment be driven to operate.Unreacted is complete
Then fuel cell pile 12 is discharged from hydrogen outlet 12b in hydrogen.
The air supply system includes air cleaner 13, air pressurizing unit 14 and is air connected pipeline accordingly.By
The air that air cleaner 13 sucks enters fuel cell pile by air intlet 12c after the pressurization of air pressurizing unit 14
12 inside.Inside pile, the oxygen in air consumes due to hydrogen reaction, and the air for consuming oxygen is gone out by air
Mouth 12d flows out fuel cell pile 12.
The coolant circulation system includes coolant recirculation pump 15, filter 16, expansion tank 17, by-passing valve 18, heat dissipation
Device 19 and radiator fan 20.Coolant liquid is filled in coolant circulation system, usually water or water-ethylene glycol solution.Pass through
Continuous circulation of the coolant liquid in fuel cell pile 12, to constantly take away caused by hydrogen, oxygen electrochemical reaction process
Heat avoids pile from damaging because of overheat.
Radiator 19 is the radiator with fin, with import 19a and outlet 19b.In heat sink inlet 19a
By-passing valve 18 in parallel is additionally provided between radiator outlet 19b.
Radiator fan 20 is for making air generate forced convection, by making forced air flow cross the fin of radiator 19, from
And the heat of coolant liquid in radiator 19 is taken away, reduce coolant temperature, so that coolant liquid be made to have cooling fuel cell electricity
The ability of heap 12.
Expansion tank 17 be used to accommodate coolant liquid in coolant circulation system because temperature change and caused by volume change,
The height of expansion tank 17 one be higher than fuel cell pile 12 height.
With reference to Fig. 1, the bright fuel cell generation of this institute, the connection relationship between each component is: concentrated solution into
Mouth 1 is connected with the import of solution circulation pump 3, and the outlet of solution circulation pump 3 is connected to the solution inlet 5a of condenser 5.
The first interface 8a of first regenerator 8 is connected with the taphole 5b of condenser 5, and the second of the first regenerator 8 connects
Mouth 8b is connected with the input terminal 10a of heater 10, the third interface 8c of the first regenerator 8 and the third connectivity mouth of hydrogen generator 11
11c is connected, and the 4th interface 8d of the first regenerator 8 is connected with weak solution outlet 2.
The outlet of the first port 9a and coolant recirculation pump 15 of second regenerator 9 and the cooling of fuel cell pile 12
Liquid import 12e is connected, the second port 9b of the second regenerator 9 and the cooling liquid outlet 7b of evaporator 7 and radiator 19 into
Mouth 19a is connected, and the third port 9c of the second regenerator 9 is connected with the second port 11b of hydrogen generator 11, the second regenerator 9
The 4th port 9d be connected with the hydrogen inlet 12a of fuel cell pile 12.
In each component for constituting heat pump system 30, the exhaust outlet of compressor is connected with the condensation entrance 5c of condenser 5, cold
The condensate outlet 5d of condenser 5 is connected with one end of restricting element 6, the other end of restricting element 6 and the evaporation entrance 7c of evaporator 7
It is connected, the evaporation outlet 7d of evaporator 7 is connected with the air entry of compressor.
The output end 10b of heater 10 is connected with the first port 11a of hydrogen generator 11.
The import of coolant recirculation pump 15 is connected with one end of filter 16, and the outlet of coolant recirculation pump 15 is connected to combustion
Expect the cooling liquid inlet 12e of battery stack 12 and the first port 9a of the second regenerator 9.The other end and radiator of filter 16
19 outlet 19b is connected, and the second of the import 19a of radiator 19 and the cooling liquid outlet 7b of evaporator 7 and the second regenerator 9
Port 9b is connected.The bottom of expansion tank 17 is connected to the pipe between radiator outlet 19b and filter 16 by a connecting tube
On the road.
The working principle of the heat pump system 30 is: after the compression of direct current compressor 4, temperature is increased, is pressed refrigerant gas
Power increases, into condenser 5.In condenser 5, the refrigerant gas of high temperature and pressure is put to the concentrated solution of the condenser other side
Heat increases the temperature of concentrated solution, and refrigerant is then condensed into the liquid of high temperature and pressure.The refrigerant liquid of this high temperature and pressure with
After flow through restricting element 6.When flowing through restricting element 6, refrigerant pressure is reduced, and part shwoot comes out, and becomes low-temp low-pressure
Gas-liquid mixture.The refrigerant air-liquid mixture of this low-temp low-pressure subsequently flows into evaporator 7.In the evaporator 7, low-temp low-pressure
Refrigerant air-liquid mixture absorbs the heat of the coolant liquid of the evaporator other side simultaneously, so that the temperature of coolant liquid reduces, and makes
Cryogen then evaporates after heat absorption and becomes gas.Refrigerant gas is sucked by the air entry of direct current compressor 4.In direct current compressor
In 6, refrigerant gas is compressed again, is become the gas of high temperature and pressure again, is looped back and forth like this, thus realize constantly from
Heat, the exothermic process into concentrated solution are taken in circulating cooling liquid.The direct current that direct current compressor 4 can be issued by fuel cell pile
Driving.
The fuel cell generation uses the solution that can dissolve hydrogen as fuel.Under normal temperature and pressure,
The hydrogen-rich concentrated solution for having dissolved hydrogen enters the fuel cell generation by concentrated solution import 1, successively in the heat pump
30, the first regenerator 8, obtain temperature rise three times in heater 10 after, reach temperature required for decomposition reaction, sent out immediately in hydrogen
Hydrogen is released in raw device 11, is generated electricity with supplying fuel cell pile 12, the concentrated solution for releasing hydrogen is changed into weary hydrogen
Weak solution, by the 2 outflow fuel cell generations of weak solution outlet.
Specifically, the concentrated solution of normal temperature and pressure enters the fuel cell generation by the concentrated solution import 1, first passes through
Solution circulation pump 3 pressurizes, and subsequently into the condenser 5 of heat pump 30, concentrated solution obtains first time temperature rise, temperature in condenser 5
60~80 DEG C are risen to, subsequently into the first regenerator 8.In the first regenerator 8, the other side is dilute in concentrated solution absorption regenerator
The heat of solution, obtains second of temperature rise, and temperature rises to 100~120 DEG C, subsequently enters heater 10.In heater 10,
Concentrated solution obtains third time temperature rise.Heater 10 is electric heater, and concentrated solution temperature can be promoted to 150 DEG C or more.At this point, through
The concentrated solution for crossing temperature rise three times, which has reached to decompose, reacts necessary temperature levels.This is with sufficiently high temperature level
Concentrated solution is after entering hydrogen generator 11 by the first port 11a, and with the help of catalyst, will decompose reaction immediately,
Release a large amount of hydrogen.Hydrogen flows out the hydrogen generator 11 from the second port 11b of the hydrogen generator 11, at this time hydrogen
The temperature of gas is still higher.Meanwhile concentrated solution becomes weak solution due to releasing hydrogen, weak solution is flowed out from third connectivity mouth 11c
The hydrogen generator 11.
Enter the by the third port 8c of the first regenerator 8 by the weak solution of third connectivity mouth 11c outflow hydrogen generator 11
The hot-fluid side of one regenerator 8, due to weak solution temperature still with higher at this time, weak solution will be to flowing through the first regenerator 8
Concentrated solution release a part of heat so that concentrated solution temperature increases, while weak solution temperature reduces, that is, realizes weak solution
Heat recovery.Weak solution after temperature reduction, finally described in 2 outflow of weak solution outlet via the fuel cell generation
Fuel cell generation.
The hydrogen for flowing out the hydrogen generator 11 enters the second regenerator 9 by the third port 9c of the second regenerator 9.?
In second regenerator 9, the higher hydrogen of temperature transfer heat to by the cooling liquid outlet 12f of fuel cell pile 12 Lai it is cold
But liquid, temperature reduce.Hydrogen after temperature reduction is entered the inside of fuel cell pile 12 by hydrogen inlet 12a.Air passes through
Air cleaner 13 boosts, by air intlet after filtering out dust and harmful chemicals particle therein through air pressurizing unit 14
12c enters the inside of fuel cell pile 12.In the inside of fuel cell pile 12, the oxygen in hydrogen and air, which reacts, to be generated
Direct current, while generating water and heat；Direct current passes through electrode (positive terminal 12p and the negative terminal of fuel cell pile 12
It 12n) is output to the outside, to drive relevant device to do work, and as the power supply of direct current compressor 4.The complete air of unreacted
The fuel cell pile 12 is discharged from air outlet slit 12d with the water of generation, and the complete hydrogen of unreacted is arranged from hydrogen outlet 12b
The fuel cell pile 12 out.
Heat inside fuel cell pile 12 is taken away by the cooling recirculation system.The coolant liquid in 19 exit of radiator
After the filtering of filter 16, it is pressurized by coolant liquid circulating pump 15, is then divided into two-way.All the way from the cooling of fuel cell pile 12
Liquid import 12e enters inside fuel cell pile 12, and another way enters the second regenerator through the first port 9a of the second regenerator 9
9 cold flow side.It flows through the coolant liquid inside fuel cell pile 12 and absorbs heat caused by hydrogen, oxygen electrochemical reaction, make
Fuel cell pile is cooled down, while coolant temperature increases, and flows out fuel cell pile 12 by cooling liquid outlet 12f.Stream
The coolant liquid of fuel cell pile 12 is entered the evaporator 7 of heat pump 30 by cooling liquid inlet 7a out.In evaporator, coolant liquid will
Heat transfer is to the refrigerant in evaporating state of the evaporator other side, and temperature reduces, from cooling liquid outlet 7b outflow evaporation
Device 7.The coolant liquid for flowing through the cold flow side of the second regenerator 9 absorbs the hot fluid (i.e. hydrogen) of the other side in the second regenerator 9
Heat, make hydrogen enter fuel cell pile 12 before temperature be reduced to 50 DEG C or so, absorb the cooling of hydrogen heat
Liquid temperature increases, and flows out the second regenerator 9 by second port 9b.The coolant liquid of outflow evaporator 7 and the second regenerator 9 is converged
Afterwards, radiator 19 is returned to by the import 19a of radiator 19.In radiator 19, coolant liquid is transferred heat to by radiator fan
The air of 19 forced convections, coolant temperature are reduced to the temperature close to surrounding air, to have cooling fuel electricity again
The ability of pond pile 12 and hydrogen.
By-passing valve 18 is connected in parallel between the import 19a of radiator 19 and outlet 19b, and the aperture of by-passing valve 18 is adjustable, passes through
Adjust the size of bypass valve opening, adjustable coolant liquid flows through the drag size of radiator 19, can also adjust flow through it is scattered
The flow of the coolant liquid of hot device 19, the temperature of the coolant liquid at outlet 19b so as to accurately control radiator 19, so that outlet
Coolant temperature at 19b is unlikely to too low or excessively high.
In the present embodiment, first regenerator 8 and the second regenerator 9 are plate heat exchanger, can also be shell-tube type
Heat exchanger or double pipe heat exchanger.The restricting element 6 can be throttle capillary tube, heating power expansion valve, electric expansion valve, throttling
Short tube, restricting orifice etc. any one.
In fuel cell generation of the present invention, the concentrated solution as hydrogen storage media is at heat pump 30, first times
The temperature required for stepped heating to decomposition reaction in hot device 8, heater 10 is individually added with using an electric heater
The scheme of heat is compared, and the weak solution that regenerator recycles is utilized since efficient heat pump mode is utilized in the present invention
Waste heat makes that concentrated solution must be heated to same reaction temperature, and the heating efficiency of this programme is higher, and required electric energy is more
It is few, reduce the electric energy loss needed for hydrogen generating process of liquid hydrogen storage fuel cell generation, the comprehensive benefit of Hydrogen Energy
It is improved with efficiency.Compared with conventional high-pressure gaseous hydrogen storage mode, fuel cell generation of the present invention has
Operating pressure is low, pipeline and storage tank low, safe, the antileakaging advantage of resistance to pressure request.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of fuel cell generation uses liquid hydrogen storage media to go out as fuel, including concentrated solution import, weak solution
Mouth, solution circulation pump, heat pump system, the first regenerator, the second regenerator, heater, hydrogen generator, fuel cell pile,
Air supply system and coolant circulation system, it is characterised in that: the concentrated solution dissolved with hydrogen is entered by the concentrated solution import
The fuel cell generation, after solution circulation pump pressurizes, successively by the heat pump system, first regenerator and institute
It states heater to heat gradually, required temperature is reacted until reaching to decompose, subsequently into the hydrogen generator, in hydrogen
Concentrated solution is decomposed under the effect of the catalyst in gas generator reacts and releases hydrogen, and hydrogen passes through second backheat
Enter the fuel cell pile after device cooling, the concentrated solution after releasing hydrogen becomes weak solution, and weak solution is by described the
One regenerator, which exports after releasing heat to concentrated solution from the weak solution, flows out the fuel cell generation.
2. fuel cell generation according to claim 1, it is characterized in that: first regenerator has first to connect
Mouth, second interface, third interface and the 4th interface, second regenerator have first port, second port, third port and
4th port, the heater have input terminal and output end, and the hydrogen generator has the first port, the second port and the
Three ports.
3. fuel cell generation according to claim 1, it is characterized in that: the heat pump system includes direct current compression
Machine, condenser, restricting element and evaporator；The direct current compressor has air entry and exhaust outlet, and the condenser has molten
Liquid entrance, taphole, condensation entrance and condensate outlet, the evaporator have coolant inlet, cooling liquid outlet, evaporate into
Mouth and evaporation outlet；Refrigerant is filled in the heat pump system；The exhaust outlet of the direct current compressor and the condenser
Condensation entrance be connected, the condensate outlet of the condenser is connected with one end of the restricting element, the restricting element it is another
One end is connected with the evaporation entrance of the evaporator, and the evaporation outlet of the evaporator is connected with the air entry of the compressor.
4. fuel cell generation according to claim 1, it is characterized in that: the fuel cell pile have hydrogen into
Mouth, hydrogen outlet, air intlet, air outlet slit, cooling liquid inlet and cooling liquid outlet；The air supply system includes air
Filter and air pressurizing unit；Air passes through air cleaner, and after being pressurized by air pressurizing unit, entered as air intlet described in
Fuel cell pile；Hydrogen enters the fuel cell pile by hydrogen inlet.
5. fuel cell generation according to claim 1, it is characterized in that: the coolant circulation system includes cooling
Liquid circulating pump, filter, expansion tank, by-passing valve, radiator and radiator fan are filled with cold in the coolant circulation system
But liquid, the coolant liquid are water or water-ethylene glycol solution, one end phase of the import of the coolant recirculation pump and the filter
Even, the outlet of the coolant recirculation pump is connected to the cooling liquid inlet of fuel cell pile and the first end of the second regenerator
Mouthful, the other end of the filter is connected with the outlet of radiator, the import of the radiator and the cooling liquid outlet of evaporator
And second regenerator second port be connected, the bottom of expansion tank is connected to radiator outlet and filtering by a connecting tube
On pipeline between device.
6. fuel cell generation described in any one of according to claim 1~claim 5, it is characterized in that: described
Concentrated solution import is connected with the import of the solution circulation pump, and the outlet of the solution circulation pump is connected to the solution of the condenser
The first interface of entrance, first regenerator is connected with the taphole of the condenser, and the second of first regenerator
Interface is connected with the input terminal of the heater, and the third interface of first regenerator and the third of the hydrogen generator are logical
Mouth is connected, and the 4th interface of first regenerator is connected with weak solution outlet, the first port of second regenerator
It is connected with the cooling liquid inlet of the outlet of the coolant recirculation pump and the fuel cell pile, second regenerator
Second port is connected with the import of the cooling liquid outlet of the evaporator and the radiator, the third of second regenerator
Port is connected with the second port of the hydrogen generator, the 4th port of second regenerator and the fuel cell pile
Hydrogen inlet be connected, the output end of the heater is connected with the first port of the hydrogen generator.
7. such as claim 1 or fuel cell generation as claimed in claim 3, it is characterised in that: the condenser, evaporation
Device, the first regenerator and the second regenerator are any one of plate heat exchanger, shell and tube exchanger or double pipe heat exchanger；Institute
Stating heater is electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821751630.2U CN208835191U (en) | 2018-10-28 | 2018-10-28 | A kind of fuel cell generation |
Applications Claiming Priority (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276715A (en) * | 2020-02-24 | 2020-06-12 | 云南电网有限责任公司电力科学研究院 | Organic liquid heating and heat-insulating device for organic liquid fuel cell automobile |
| CN113451611A (en) * | 2020-03-27 | 2021-09-28 | 未势能源科技有限公司 | Cooling system of fuel cell, fuel cell assembly and vehicle |
| CN113540502A (en) * | 2021-07-15 | 2021-10-22 | 山东大学 | Fuel cell waste heat power generation system based on hydrogen evaporation gas |
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2018
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276715A (en) * | 2020-02-24 | 2020-06-12 | 云南电网有限责任公司电力科学研究院 | Organic liquid heating and heat-insulating device for organic liquid fuel cell automobile |
| CN113451611A (en) * | 2020-03-27 | 2021-09-28 | 未势能源科技有限公司 | Cooling system of fuel cell, fuel cell assembly and vehicle |
| CN113540502A (en) * | 2021-07-15 | 2021-10-22 | 山东大学 | Fuel cell waste heat power generation system based on hydrogen evaporation gas |
| CN113540502B (en) * | 2021-07-15 | 2022-05-17 | 山东大学 | Fuel cell waste heat power generation system based on hydrogen evaporation gas |
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