CN106340660A - Energy supply method and system - Google Patents
Energy supply method and system Download PDFInfo
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- CN106340660A CN106340660A CN201610797020.5A CN201610797020A CN106340660A CN 106340660 A CN106340660 A CN 106340660A CN 201610797020 A CN201610797020 A CN 201610797020A CN 106340660 A CN106340660 A CN 106340660A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 272
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 118
- 239000000446 fuel Substances 0.000 claims abstract description 111
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000010521 absorption reaction Methods 0.000 claims description 20
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 52
- 239000001257 hydrogen Substances 0.000 description 24
- 229910052739 hydrogen Inorganic materials 0.000 description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 208000005156 Dehydration Diseases 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000036647 reaction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- 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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses an energy supply method an energy supply system. The system comprises an electrolysis galvanic pile used for utilizing the electric energy to electrolyze water to produce an electrolysis gas, a fuel cell galvanic pile communicated with the electrolysis galvanic pile and used for outputting the electric energy according to a chemical reaction produced by the electrolysis gas, a heat exchanging device communicated with the electrolysis galvanic pile and/or fuel cell galvanic pile, and a heat supply device communicated with the heat exchanging device and used for outputting the heat energy through heat provided by the heat exchanging device, wherein when used for being communicated with the electrolysis galvanic pile, the heat exchanging device absorbs the heat produced in electrolysis of the electrolysis galvanic pile, and/or when used for being communicated with the fuel cell galvanic pile, the heat exchanging device absorbs the heat produced in the chemical reaction of the fuel cell galvanic pile. Through the method and the system, the problem of relatively low energy conversion efficiency of the energy supply system in the related technique is solved.
Description
Technical field
The present invention relates to energy field, in particular to a kind of energy resource supply method and system.
Background technology
Heat energy-electric energy co-feeding system (abbreviation cogeneration system) can provide heat energy and electric energy, cogeneration to cell
System can be using multiple kinds of energy source, including the use of new forms of energy, for example, by fuel cell pile and the one of electrolytic hydrogen production
Body cogeneration system, can carry out grid-connected peak regulation to electrical network by the new forms of energy such as practical wind energy, solar energy.Using PEM
The cogeneration system of fuel cell pile needs hydrogen to provide the energy, and generally by the way of high-pressure hydrogen storing, hydrogen storage fills hydrogen
The scale of putting governs the sustainability of electric discharge, needs periodically to hydrogen-storing device hydrogen make-up fuel.
Cogeneration system of the prior art provides the scheme of hydrogen fuel mainly to have:
(1) with reformer, hydrogen-rich fuel is converted into hydrogen and is supplied to fuel cell pile.But technical scheme exists many
Problem, for example, reformer needs to consume extra electric power, and circuit is complicated, and causes heat energy to be lost；Reformer needs to use
Desulfurization removal of carbon monoxide, leads to the relatively costly of cogeneration system.
(2) pass through to be electrolysed pile hydrogen manufacturing, civil power is used as the source of electrolytic energy.But this system comprises to be electrolysed respectively
Pile and fuel cell pile heap, the integration of system is relatively low, causes reliability deficiency, sustainability not enough；Made using civil power
For the main source of electrolytic energy, cause system capacity utilization ratio relatively low.
(3) using electrolysis pile and fuel cell pile integration battery pack cogeneration system, will be electrolysed pile and
The Integrated design of fuel cell pile pile, to water recycled for multiple times, oxygen hydrogen manufacturing processed is supplied to fuel cell pile, but its
Control process is complex, and complex energy is less efficient.
For the relatively low problem of the energy supplyystem energy conversion efficiency in correlation technique, not yet propose at present effectively
Solution.
Content of the invention
Present invention is primarily targeted at providing a kind of energy resource supply method and system, to solve the energy in correlation technique
The relatively low problem of feed system energy conversion efficiency.
To achieve these goals, according to an aspect of the invention, it is provided a kind of energy supplyystem.This system bag
Include: electrolysis pile, for being electrolysed water to produce water electrolytic gas using electric energy；Fuel cell pile, is connected with electrolysis pile, uses
Export electric energy in producing chemical reaction according to water electrolytic gas；Heat-exchange device, is connected with electrolysis pile and/or fuel cell pile
Logical, wherein, heat-exchange device is used for, when being connected with electrolysis pile, absorbing the heat that electrolysis pile electrolysis produces, and/or
When being connected with fuel cell pile, absorb the heat that fuel cell pile chemical reaction produces；Heating plant, with heat exchange dress
Put and be connected, for the heat output heat energy being provided using heat-exchange device.
Further, heating plant includes: water tank, is connected with heat-exchange device, for being provided using heat-exchange device
Heat water.
Further, heat-exchange device includes: condenser, is connected with electrolysis pile and/or fuel cell pile, with water
Case is connected, for condensing the vapor in the tail gas that the vapor in water electrolytic gas and/or fuel cell pile produce, its
In, water tank is used for reclaiming condensed water, and condensed water condenses the water of formation within the condenser for vapor.
Further, this system also includes: moisture trap, and connection, between condenser and water tank, condenses for separating
Water and dehydrated air, wherein, dehydrated air is the gas that water electrolytic gas and/or tail gas obtain after condensation dehydration.
Further, condenser is connected with electrolysis pile, and this system also includes: compressor, is connected with moisture trap
Logical, for compressing the dehydrated air that water electrolytic gas obtain after condensation dehydration；Humidifier, connection is in compressor and fuel cell
Between pile, connected with water tank by humidifier loop, for utilizing the water humidification that water tank provides to compress by humidifier loop
Gas simultaneously reclaims untapped water.
Further, this system also includes: gas bomb, connects between compressor and humidifier, for storing compressed gas
Body.
Further, heating plant also includes: heat absorption trap, is connected with heat-exchange device and water tank, for utilizing water tank
The water providing and the heat water of heat-exchange device offer.
Further, this system also includes: burner, is connected with fuel cell pile, for burning fuel battery electricity
The tail gas that heap produces；Heat-exchange device also includes: first heat exchanger, is connected with burner and heat absorption trap, for absorbing combustion
Heat is simultaneously supplied to heat absorption trap by the heat of burner generation.
Further, heat-exchange device also includes: second heat exchanger, with heat absorption trap be connected, with electrolysis pile and/or
Fuel cell pile is connected, for absorbing the heat of the electrolysis heat of pile and/or fuel cell pile and providing heat
To heat absorption trap.
Further, this system also includes: electrolysis water loop, and connection is electrolysed pile and water tank, and wherein, water tank is used for passing through
Electrolysis water loop provides the required water of electrolysis to electrolysis pile and reclaims the water not being electrolysed.
Further, this system also includes: water pump, is arranged in electrolysis water loop, for the water in water tank is pumped into electricity
Solution pile.
Further, this system also includes: chilled(cooling) water return (CWR), connects fuel cell pile and water tank, and water tank is used for passing through
Chilled(cooling) water return (CWR) provides cooling water to fuel cell pile and reclaims cooling water.
Further, this system also includes: water replanishing device, is connected with water tank, is less than first for the water in water tank
To moisturizing in water tank during threshold value；And/or drainage arrangement, it is connected with water tank, during for the water in water tank higher than Second Threshold
Discharge the water in water tank.
To achieve these goals, according to an aspect of the invention, it is provided a kind of energy resource supply method.The method bag
Include: produce water electrolytic gas by being electrolysed pile using electric energy electrolysis water；Produced according to water electrolytic gas by fuel cell pile
Chemical reaction exports electric energy；Absorb the heat that electrolysis pile electrolysis produces, and/or, absorb fuel cell pile chemical reaction and produce
Raw heat；Using the heat output heat energy absorbing.
The present invention passes through electrolysis pile and produces water electrolytic gas using electric energy electrolysis water, by fuel cell pile according to electricity
Solution gas produces chemical reaction and exports electric energy, absorbs heat and/or the absorption fuel cell pile that electrolysis pile electrolysis produces
Learn the heat that reaction produces；Using the heat output heat energy absorbing, the energy supplyystem energy solving in correlation technique turns
Change less efficient problem, heat and/or the absorption fuel cell electricity that electrolysis pile electrolysis produces is absorbed by heat-exchange device
The heat that heap chemical reaction produces, and then reached the effect improving energy supplyystem energy conversion efficiency.
Brief description
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of energy supplyystem according to a first embodiment of the present invention；
Fig. 2 is the schematic diagram of energy supplyystem according to a second embodiment of the present invention；
Fig. 3 is the heat exchange schematic diagram of energy supplyystem according to embodiments of the present invention；
Fig. 4 is the water circulation schematic diagram of energy supplyystem according to embodiments of the present invention；And
Fig. 5 is the flow chart of energy resource supply method according to embodiments of the present invention.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present application it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, all should belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that such use
Data can exchange in the appropriate case, so that embodiments herein described herein.Additionally, term " inclusion " and " tool
Have " and their any deformation it is intended that covering non-exclusive comprising, for example, contain series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include unclear
Listing to Chu or for these processes, method, product or the intrinsic other steps of equipment or unit.
The embodiment provides a kind of energy supplyystem.
Fig. 1 is the schematic diagram of energy supplyystem according to a first embodiment of the present invention.As shown in figure 1, this system includes
Electrolysis pile 10, fuel cell pile 20, heat-exchange device 30 and heating plant 40.
Electrolysis pile 10 is used for using electric energy electrolysis water to produce water electrolytic gas.
The water electrolytic gas that electrolysis pile 10 produces after electrolysis water at least include hydrogen and oxygen it is also possible to include not electricity
The vapor of solution, water electrolytic gas carry the heat that a part is produced due to electrolytic process.
Fuel cell pile 20 is connected with electrolysis pile 10, for producing chemical reaction output electricity according to water electrolytic gas
Energy.
Fuel cell pile 20 by the hydrogen in water electrolytic gas and oxygen as electric energy energy sources, by hydrogen and oxygen
The chemical reaction of gas produces electric energy.The energy supplyystem of this embodiment outwardly can provide electric energy, and this electric energy is by fuel
The electric energy that battery pile 20 provides.
Heat-exchange device 30 is connected with electrolysis pile 10 and/or fuel cell pile 20, and wherein, heat-exchange device 30 is used
Yu Yu electrolysis pile 10 when being connected, absorbs the heat that electrolysis pile 10 electrolysis produces, and/or with fuel cell pile phase
When connecting 20, absorb the heat that fuel cell pile 20 chemical reaction produces.
The heat being electrolysed pile 10 electrolysis generation can be the process generation due to electrolysis for the device itself of electrolysis pile 10
Heat or electrolysis after the heat that carries of water electrolytic gas that produces.Fuel cell pile 20 chemical reaction produces
Electric energy can be the heat or fuel cell that the device itself of fuel cell pile 20 is produced due to chemical reaction process
The heat entrained by tail gas that pile 20 produces after chemical reaction.
Specifically, the energy supplyystem that this embodiment provides can be realized by following form:
1) heat-exchange device 30 is connected with electrolysis pile 10, and heat-exchange device 30 absorbs what electrolysis pile 10 electrolysis produced
Heat, the heat that can be to absorb electrolysis pile 10 device itself more specifically, heat-exchange device 30 is connected with electrolysis pile 10
The heat that the water electrolytic gas of amount and/or absorption electrolysis pile 10 generation carry；
2) heat-exchange device 30 is connected with fuel cell pile 20, and heat-exchange device 30 absorbs fuel cell pile 20 and changes
Learn the heat that reaction produces, more specifically, it can be to absorb fuel electricity that heat-exchange device 30 is connected with fuel cell pile 20
The heat that the tail gas of the heat of pond pile 20 device itself and/or absorption fuel cell pile 20 chemical reaction generation carries；
3) heat-exchange device 30 is connected with electrolysis pile 10 and fuel cell pile 20, and this mode of communicating shows in FIG
Go out, heat-exchange device 30 be used for absorb electrolysis pile 10 electrolysis produce heat and fuel cell pile 20 chemical reaction produce
Heat, wherein, heat-exchange device 30 absorbs heat and the fuel cell pile 20 chemical reaction product that electrolysis pile 10 electrolysis produces
The raw mode of heat and 1) and 2) in method identical, will not be described here.
Heating plant 40 is connected with heat-exchange device 30, for the heat heat outputting being provided using heat-exchange device 30
Energy.
Heating plant 40 outwardly exports heat energy by the heat that heat-exchange device 30 provides, and alternatively, provides heat energy
Mode can be by way of providing hot water and/or hot gas, using heat water and/or the gas of heat-exchange device 30 absorption
Body, outwardly to provide heat energy.
The energy supplyystem that this embodiment provides passes through electrolysis pile 10 and produces water electrolytic gas using electric energy electrolysis water,
Chemical reaction is produced according to water electrolytic gas by fuel cell pile 20 and exports electric energy, absorb the heat that electrolysis pile 10 electrolysis produces
Amount and/or the heat absorbing the generation of fuel cell pile 20 chemical reaction；Using the heat output heat energy absorbing, solve correlation
The relatively low problem of energy supplyystem energy conversion efficiency in technology, absorbs electrolysis pile 10 by heat-exchange device 30 and is electrolysed
The heat producing and/or the heat absorbing the generation of fuel cell pile 20 chemical reaction, and then reached raising energy resource supply system
The effect of system energy conversion efficiency.
Heating plant 40 can include water tank, and water tank is connected with described heat-exchange device, for using described heat exchange
The heat water that device provides.Alternatively, water tank can be integrated constant temperature water tank.
In order to prevent the water yield in water tank very few and/or excessive, this system can also include water replanishing device and/or draining dress
Put.Water replanishing device is connected with water tank, for the water in water tank be less than first threshold when to moisturizing in water tank；Drainage arrangement with
Water tank is connected, for discharging the water in water tank when the water in water tank is higher than Second Threshold.
When the volume of water tank internal water is less than v1, then pass through external water source to its moisturizing, moisturizing speed q1(g/s) by
(1) formula is obtained, wherein, pecFor being electrolysed the electric power of pile 10, vcellFor being electrolysed pile 10 single-unit average working voltage, f is
Faraday constant,For molecular weight water；
When the volume of water tank internal water is higher than v2, then pass through draining valve to externally drained, drainage rates q2(g/s) by
(2) formula is obtained, wherein, pfcFor the generated output of fuel cell pile 20, vcellFor fuel cell pile 20 single-unit average operation
Voltage, f is Faraday constant,For molecular weight water；
By above-mentioned feed and bleed control program, can constantly keep the volume of water tank internal water v1 and v2 it
Between.The occurrence of v1 and v2 can be arranged as the case may be, and for example, 10%～25%, the v2 that v1 is set to water tank capacity sets
It is set to the 75%～90% of water tank capacity.
Heat-exchange device 30 can include condenser, and condenser is connected with electrolysis pile 10 and/or fuel cell pile 20
Logical, for condense the vapor in water electrolytic gas and/or tail gas that fuel cell pile 20 produces in vapor, condenser can
To absorb the heat discharging during water vapor condensation.
When heating plant 40 includes water tank, water tank is connected with condenser, and for reclaiming condensed water, condensed water is vapor
Condense the water of formation within the condenser, and, condensed water carries the heat discharging during water vapor condensation.
This system can also include moisture trap, and moisture trap connects between condenser and water tank, for separating
Condensed water and dehydrated air, wherein, dehydrated air is the gas that water electrolytic gas and/or tail gas obtain after condensation dehydration.
Condenser with electrolysis pile 10 be connected inclusion condenser only with electrolysis pile 10 be connected, also include condenser and
Electrolysis pile 10 is connected with fuel cell pile 20.When temperature changer is connected with electrolysis pile 10, this system can also be wrapped
Include compressor and humidifier.
Compressor is connected with moisture trap, can compress the dehydration gas that water electrolytic gas obtain after condensation dehydration
Body.
Humidifier communications, between compressor and fuel cell pile 20, are connected with water tank by humidifier loop, humidification
Device can be humidified compressed gas and be reclaimed untapped water using the water that water tank provides by humidifier loop.
Humidifier loop can include two paths, the side flowed to humidifier from water tank for current in the direction of a path
To water pump being arranged on this path current is pumped into humidifier from water tank, the direction of another path is current from humidification
The direction that device flows to water tank.
This system can also include gas bomb, and gas bomb connects between compressor and humidifier, for storing compressed gas
Body.
Condenser is connected with fuel cell pile 20 and is only connected with fuel cell pile 20 including condenser, also includes
Condenser is connected with fuel cell pile 20 and electrolysis pile 10.
When heating plant 40 includes water tank, this system can also include being electrolysed water loop, electrolysis water loop connection electrolysis electricity
Heap 10 and water tank, wherein, water tank is used for providing the required water of electrolysis to electrolysis pile 10 and reclaiming not electricity by being electrolysed water loop
The water of solution.This system can also include water pump, and water pump is arranged in electrolysis water loop, for the water in water tank is pumped into electrolysis electricity
Heap 10.
This system can also include chilled(cooling) water return (CWR), chilled(cooling) water return (CWR) connection fuel cell pile 20 and water tank, and water tank is used
In providing cooling water reclaim cooling water by chilled(cooling) water return (CWR) to fuel cell pile 20.Can also be square in chilled(cooling) water return (CWR)
To for arranging water pump on the path by water tank to fuel cell pile 20 direction, current are pumped into fuel cell pile 20 from water tank
Using as cooling water.Cooling water, after fuel cell pile 20 outflow, carries the generation of fuel cell pile 20 chemical reaction
Heat.
Heating plant can also include the trap that absorbs heat, and heat absorption trap is connected with heat-exchange device and water tank, for utilizing water tank
The water providing and the heat water of heat-exchange device offer.
In order to reduce exhaust emissions, burner in system, can also be included, burner is connected with fuel cell pile, use
The tail gas producing in burning fuel battery pile.For the heat producing during using exhaust combustion, heat-exchange device can also wrap
Include first heat exchanger, first heat exchanger is connected with burner and heat absorption trap, the heat producing for absorption burner is simultaneously
Heat is supplied to heat absorption trap.
Heat-exchange device 30 can also include second heat exchanger, and second heat exchanger is connected with heat absorption trap, with electrolysis
Pile 10 and/or fuel cell pile 20 are connected, for absorbing the electrolysis heat of pile 10 and/or fuel cell pile 20
Heat is simultaneously supplied to heat absorption trap by heat.
Fig. 2 is the schematic diagram of energy supplyystem according to a second embodiment of the present invention.This embodiment can be used as above-mentioned
The preferred embodiment of first embodiment.
As shown in Figure 2,001 is the electric energy to electrolysis pile 10 input, and this electric energy is more than the new forms of energy during electric-net valley phase
Abundant electric energy, for example, electric energy, solar energy and/or wind energy etc., the energy as input during the charging of energy supplyystem.002
For the electric energy of fuel cell pile 20 output, the energy supplyystem electric energy that output fuel cell pile 20 produces in electric discharge.
Heat energy all can be produced in energy supplyystem charge or discharge, system carries out heat energy by heat-exchange device with water tank 41 and returns
Receive, as shown in Fig. 2 the heat-exchange device in this embodiment has six, including he1～he6.Preferably, water tank 41 is integrated
Constant temperature water tank, system provides a user with heat energy by the form of hot water.
In Fig. 2 101～106 are the gas of fuel cell pile 20 anode-side input and output, and wherein, 101 is electrolysis electricity
Heap 10 passes through to be electrolysed the hydrogen (containing certain vapor) that water produces；102 is the hydrogen after 101 condensed dehydrations, and 102 in condensation
Heat release carries out heat recovery by he1, and condensed water 402 is recycled to integrated constant temperature water tank；103 hydrogen exporting for hydrogen cylinder；
104 is the hydrogen (containing certain vapor) after humidifier humidifies, and humidification needs certain heat to input with moisture, humidification
Required heat is all supplied by the constant temperature deionized water in integrated constant temperature water tank with moisture；105 is through fuel cell
Heats during 105 condensation heat release are reclaimed by remaining hydrogen (containing certain vapor) after reaction generating by he3, cold
Solidifying water 406 is recycled to integrated constant temperature water tank；106 for the remaining hydrogen after condensation dehydration and through burner combustion heat release, heat
Amount is reclaimed by he5；The heat of integrated constant temperature water tank inner accumulation is then flowed back to receipts by cold water by he6.
In Fig. 2 201～206 are the gas of fuel cell pile 20 cathode side input and output, and wherein, 201 is electrolysis electricity
Heap 10 passes through to be electrolysed the oxygen (containing certain vapor) that water produces；202 is the oxygen after condensation dehydration, and condensation heat release is passed through
He2 carries out heat recovery, and condensed water 403 is recycled to integrated constant temperature water tank；203 oxygen exporting for oxygen cylinder, as fuel
The oxidant of the oxidant of cell reaction, wherein fuel cell may also be employed air, and 301 and 302 supply flow process for air；204
It is the oxygen after humidifier humidifies and/or air (containing certain vapor), humidification needs certain heat defeated with moisture
Enter, the required heat of humidification is all supplied by the constant temperature deionized water in integrated constant temperature water tank with moisture；205 is through combustion
Remaining oxygen and/or air (containing certain vapor) after material cell reaction generating, condensation heat release carries out heat by he4 and returns
Receive, condensed water 407 is recycled to integrated constant temperature water tank；206 is the remaining oxygen after condensation dehydration and/or air, emission.
In Fig. 2 401～409 are aqueous water flow process, including cell reaction water, cooling water and water vapor condensation water
Deng.Wherein, 401 is electrolysis pile 10 electrolysis water-flow circuit, the required water of electrolysis within integrated constant temperature water tank go from
Sub- water provides, and the heat recovery that electrolysis pile 10 reaction produces is to integrated constant temperature water tank；402 is the condensed water of hydrogen, reclaims
To integrated constant temperature water tank；403 is the condensed water of oxygen, is recycled to integrated constant temperature water tank；404 is negative electrode and anode humidifier
Water supply loop, realizes supplying water by integrated constant temperature water tank；405 is cooling water of fuel cell loop, integrated constant temperature water tank
As cooling water circulation water tank；406 is anode of fuel cell tail gas condensing water, is recycled to integrated constant temperature water tank；407 is fuel
Cell cathode tail gas condensing water, is recycled to integrated constant temperature water tank；408 supply water for external water source；409 is water tank to outer row
Water.
Using the energy supplyystem in Fig. 2, by integrated constant temperature water tank, condensed water and electrolysis pile 10 are electrolysed
Heat, the heat of fuel cell pile 20 chemical reaction are reclaimed, the energy making full use of.Reclaim condensation compared to many water tanks
The system of water has the advantage that first, decreases multiple tank parts, liquid pump, heat-exchange device and control parts etc.；The
Two, electrolysis pile 10 is close with fuel cell pile 20 operating temperature, and both common tank are entered between charge and discharge pattern
Can accomplish that seamless mode switches, because no matter being electrolysed pile 10 or fuel cell, from normal temperature to normal work temperature during row switching
The start-up course of degree is required to the regular hour, after some time it is possible to reach a few minutes are to dozens of minutes；3rd, the heat needed for humidifier with
Moisture directly obtains from integrated constant temperature water tank, and the heat that fuel cell pile 20 is produced with electrolysis pile 10 is directly entered
Integrated constant temperature water tank, heat exchanging process is directly exchanged in integrated constant temperature water tank, saves multiple single heat exchanges
The heat transfer process of device, and the efficiency of heat-exchange device is inevitably less than 100%, often uses a heat-exchange device more, all can produce
The certain heat of life and energy loss, design, energy direct-coupling thermal source and the hot trap of therefore integrated constant temperature water tank, it is substantially improved
Heat recovery efficiency.
Fig. 3 is the heat exchange schematic diagram of energy supplyystem according to embodiments of the present invention.In Fig. 3, e1～e8 is respectively
Corresponding component release or the heat absorbing in system, during using energy supplyystem mode of communicating in Fig. 3, the heat that e1～e8 represents
Amount is as follows respectively:
E4 is anode of fuel cell and the heat needed for cathode humidifier, is the heat that humidifier absorbs from water tank 41, and
E1, e2, e3, e5, e6, e7, e8 are the heat that electrolysis pile 10 or fuel cell pile 20 discharge to water tank 41 exothermic process.
Wherein, e1 is the heat in electrolysis water course of reaction release for the electrolysis pile 10, and e5 is fuel cell pile 20 chemical heat release,
Both are recycled to water tank 41 jointly, and water tank 41 is as heat exchange module 1；E2, e3 are respectively water vapor condensation in hydrogen and oxygen
When the heat that discharges, be recycled to heat exchange module 2；Discharge during water vapor condensation in e6, e7 respectively anode and cathode exhaust gas
Heat, is recycled to heat exchange module 3；E8 is the heat through burning release for the anode of fuel cell tail gas remaining hydrogen, is recycled to heat
Switching Module 4.Heat exchange module 1, heat exchange module 2, heat exchange module 3, heat exchange module 4 reclaim heat xe1, xe2,
Xe3, xe4, the outside temperature of cold water rises of supply, finally provide a user with temperature required hot water source.
Fig. 4 is the water circulation schematic diagram of energy supplyystem according to embodiments of the present invention.In Fig. 4, w1～w9 represents respectively
The current of 401～409 aqueous water flow processs, during using energy supplyystem mode of communicating in Fig. 4, the liquid representated by w1～w9
Water is as follows respectively:
All of moisture is reclaimed and is all carried out by water tank 41 with supply.W1, w4 are the demand current of system corresponding module；
W2, w3, w6, w7 are the output current of system corresponding module, the current that is, water tank 41 reclaims；W5 cools down for fuel cell pile 20
Water circulation current；W8 be water tank 41 after less than certain water level, the current of required infeed；W9 is that water tank 41 exceeds certain water level
Afterwards, the current discharging.
Embodiments of the invention additionally provide a kind of energy resource supply method.It should be noted that the energy of the embodiment of the present invention
Source supply method can be executed by the energy supplyystem of the present invention.
Fig. 5 is the flow chart of energy resource supply method according to embodiments of the present invention.As shown in figure 5, the method include following
Step:
Step s501, produces water electrolytic gas by being electrolysed pile using electric energy electrolysis water.
Step s502, produces chemical reaction by fuel cell pile according to water electrolytic gas and exports electric energy.
Step s503, absorbs the heat that electrolysis pile electrolysis produces, and/or, absorb fuel cell pile chemical reaction and produce
Raw heat.
Step s504, using the heat output heat energy absorbing.
The energy resource supply method that this embodiment provides, produces water electrolytic gas by being electrolysed pile using electric energy electrolysis water,
Chemical reaction is produced according to water electrolytic gas by fuel cell pile and exports electric energy, absorb the heat that electrolysis pile electrolysis produces
And/or absorb the heat that fuel cell pile chemical reaction produces；Using the heat output heat energy absorbing, solve correlation technique
In the relatively low problem of energy supplyystem energy conversion efficiency, the heat that electrolysis pile electrolysis produces is absorbed by heat-exchange device
Amount and/or the heat absorbing the generation of fuel cell pile chemical reaction, and then reached the conversion of raising energy supplyystem energy
The effect of efficiency
It should be noted that the step that illustrates of flow process in accompanying drawing can be in such as one group of computer executable instructions
Execute in computer system, and although showing logical order in flow charts, but in some cases, can be with not
It is same as the step shown or described by order execution herein.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of energy supplyystem is it is characterised in that include:
Electrolysis pile, for being electrolysed water to produce water electrolytic gas using electric energy；
Fuel cell pile, is connected with described electrolysis pile, for producing chemical reaction output electricity according to described water electrolytic gas
Energy；
Heat-exchange device, is connected with described electrolysis pile and/or described fuel cell pile, wherein, described heat-exchange device
For with described electrolysis pile be connected when, absorb described electrolysis pile electrolysis produce heat, and/or with described fuel
When battery pile is connected, absorb the heat that described fuel cell pile chemical reaction produces；
Heating plant, is connected with described heat-exchange device, for the heat output heat energy being provided using described heat-exchange device.
2. system according to claim 1 is it is characterised in that described heating plant includes:
Water tank, is connected with described heat-exchange device, for the heat water being provided using described heat-exchange device.
3. system according to claim 2 is it is characterised in that described heat-exchange device includes:
Condenser, is connected with described electrolysis pile and/or described fuel cell pile, is connected with described water tank, for cold
Coagulate the vapor in the tail gas that the vapor in described water electrolytic gas and/or described fuel cell pile produce, wherein, described water
Case is used for reclaiming condensed water, and described condensed water is the water that described vapor condenses formation in described condenser.
4. system according to claim 3 is it is characterised in that described system also includes:
Moisture trap, connects between described condenser and described water tank, for separating described condensed water and dehydrated air, its
In, described dehydrated air is the gas that described water electrolytic gas and/or described tail gas obtain after condensation dehydration.
5. system according to claim 4 is it is characterised in that described condenser is connected with described electrolysis pile, described
System also includes:
Compressor, is connected with described moisture trap, de- for compress that described water electrolytic gas obtain after condensation dehydration
Aqueous vapor body；
Humidifier, connection, between described compressor and described fuel cell pile, is connected with described water tank by humidifier loop
Logical, for humidifying compressed gas and reclaiming untapped water using the water that described water tank provides by described humidifier loop.
6. system according to claim 5 is it is characterised in that described system also includes:
Gas bomb, connects between described compressor and described humidifier, for storing described compressed gas.
7. system according to claim 2 is it is characterised in that described heating plant also includes:
Heat absorption trap, is connected with described heat-exchange device and described water tank, for the water that provided using described water tank and described heat
The heat water that switch provides.
8. system according to claim 7 it is characterised in that
Described system also includes: burner, is connected with described fuel cell pile, and for burning, described fuel cell pile produces
Raw tail gas；
Described heat-exchange device includes: first heat exchanger, is connected with described burner and described heat absorption trap, for absorbing
State the heat of burner generation and heat is supplied to described heat absorption trap.
9. system according to claim 7 is it is characterised in that described heat-exchange device also includes:
Second heat exchanger, is connected with described heat absorption trap, is connected with described electrolysis pile and/or described fuel cell pile
Logical, for absorbing the described heat of electrolysis pile and/or the heat of described fuel cell pile and heat being supplied to described suction
Hot trap.
10. system according to claim 2 is it is characterised in that described system also includes:
Electrolysis water loop, connection described electrolysis pile and described water tank, wherein, described water tank is used for by described electrolysis water loop
The required water of electrolysis is provided and reclaims the water not being electrolysed to described electrolysis pile.
11. systems according to claim 10 are it is characterised in that described system also includes:
Water pump, is arranged in described electrolysis water loop, for the water in described water tank is pumped into described electrolysis pile.
12. systems according to claim 2 are it is characterised in that described system also includes:
Chilled(cooling) water return (CWR), connects described fuel cell pile and described water tank, and described water tank is used for by described chilled(cooling) water return (CWR)
There is provided cooling water to described fuel cell pile and reclaim described cooling water.
13. systems according to claim 2 are it is characterised in that described system also includes:
Water replanishing device, is connected with described water tank, in when the water in described water tank is less than first threshold to described water tank
Moisturizing；And/or
Drainage arrangement, is connected with described water tank, discharges described water tank when being higher than Second Threshold for the water in described water tank
In water.
A kind of 14. energy resource supply methods are it is characterised in that include:
Produce water electrolytic gas by being electrolysed pile using electric energy electrolysis water；
Chemical reaction is produced according to described water electrolytic gas by fuel cell pile and exports electric energy；
Absorb the heat that described electrolysis pile electrolysis produces, and/or, absorb the heat that described fuel cell pile chemical reaction produces
Amount；
Using the heat output heat energy absorbing.
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| CN109004665A (en) * | 2018-08-31 | 2018-12-14 | 河北科技大学 | Wind-powered electricity generation, photoelectricity off-grid grid-connected hydrogen production process and system |
| CN109962262A (en) * | 2019-03-18 | 2019-07-02 | 东莞众创新能源科技有限公司 | Temperature control mechanism and fuel cell with temperature control mechanism |
| CN112599818A (en) * | 2020-12-14 | 2021-04-02 | 上海矗鑫实业有限公司 | Water management system of proton fuel cell |
| CN113339081A (en) * | 2021-06-18 | 2021-09-03 | 郑州佛光发电设备有限公司 | Integrated metal-air battery for thermal power generation by burning water vapor and hydrogen in reaction |
| CN114171767A (en) * | 2021-12-31 | 2022-03-11 | 韵量燃料电池(广东)有限公司 | Fuel cell offline testing equipment |
| CN114899450A (en) * | 2022-04-08 | 2022-08-12 | 海德韦尔(太仓)能源科技有限公司 | Fuel cell system with gas turbine supercharger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114899450A (en) * | 2022-04-08 | 2022-08-12 | 海德韦尔(太仓)能源科技有限公司 | Fuel cell system with gas turbine supercharger |
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| CN106340660B (en) | 2019-12-06 |
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