CN101210750A - Method for driving air-conditioner by utilizing fuel battery waste heat - Google Patents
Method for driving air-conditioner by utilizing fuel battery waste heat Download PDFInfo
- Publication number
- CN101210750A CN101210750A CNA2006101480444A CN200610148044A CN101210750A CN 101210750 A CN101210750 A CN 101210750A CN A2006101480444 A CNA2006101480444 A CN A2006101480444A CN 200610148044 A CN200610148044 A CN 200610148044A CN 101210750 A CN101210750 A CN 101210750A
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- Prior art keywords
- air
- conditioning
- lithium bromide
- fuel cell
- waste heat
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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 invention relates to a method for driving air conditioners by using the waste heat from a fuel cell. The method comprises the step of connecting a lithium bromide air-conditioner in series or parallel with a radiator and then together connecting on the fuel cell. The waste heat produced during the power generation of the fuel cell can drive the lithium bromide air-conditioner to run. Compared with the prior art, the invention has the advantages of waste heat reuse, high efficiency, reduced energy consumption, complete utilization of the existing resources and good output benefits.
Description
Technical field
The present invention relates to fuel cell, relate in particular to a kind of method of utilizing fuel battery waste heat to drive air-conditioning.
Background technology
Electrochemical fuel cell is a kind of device that hydrogen fuel and oxidant can be changed into electric energy and product.The internal core parts of this device are membrane electrode (Membrane Electrode Assembly are called for short MEA), and membrane electrode (MEA) is made up of as carbon paper a PEM, two porous conductive materials of film two sides folder.The catalyst that contains the initiation electrochemical reaction of even tiny dispersion on two boundary faces of film and carbon paper is as the metal platinum catalyst.The electronics that the membrane electrode both sides can will take place to generate in the electrochemical reaction process with conductive body is drawn by external circuit, constitutes current loop.
At the anode tap of membrane electrode, fuel can pass porous diffusion material (carbon paper) by infiltration, and electrochemical reaction takes place on catalyst surface, lose electronics, form cation, cation can pass PEM by migration, arrives the other end cathode terminal of membrane electrode.At the cathode terminal of membrane electrode, contain the gas of oxidant (as oxygen), as air, pass porous diffusion material (carbon paper), and the generation electrochemical reaction obtains electronics on catalyst surface, forms anion by infiltration.The cation of coming in the anion and the anode tap migration of cathode terminal formation reacts, and forms product.
Adopting hydrogen is fuel, and the air that contains oxygen is in the Proton Exchange Membrane Fuel Cells of oxidant (or pure oxygen is an oxidant), and fuel hydrogen has just produced hydrogen cation (or being proton) in the catalytic electrochemical reaction of anode region.PEM helps the hydrogen cation to move to the cathodic region from the anode region.In addition, PEM is separated the air-flow and the oxygen containing air-flow of hydrogen fuel, they can not mixed mutually and produces explosion type reaction.
In the cathodic region, oxygen obtains electronics on catalyst surface, forms anion, and moves the hydrogen cation reaction of coming, reaction of formation product water with the anode region.In the Proton Exchange Membrane Fuel Cells that adopts hydrogen, air (oxygen), anode reaction and cathode reaction can be expressed in order to following equation:
Anode reaction: H
2→ 2H
++ 2e
Cathode reaction: 1/2O
2+ 2H
++ 2e → H
2O
In typical Proton Exchange Membrane Fuel Cells, membrane electrode (MEA) generally all is placed in the middle of the pole plate of two conductions, and quarter is milled by die casting, punching press or machinery in the surface that every block of flow guiding electrode plate contacts with membrane electrode, and formation is the guiding gutter of one or more at least.These flow guiding electrode plates can be the pole plates of metal material, also can be the pole plates of graphite material.Water conservancy diversion duct on these flow guiding electrode plates and guiding gutter import fuel and oxidant the anode region and the cathodic region on membrane electrode both sides respectively.In the structure of a Proton Exchange Membrane Fuel Cells monocell, only there is a membrane electrode, the membrane electrode both sides are respectively the guide plate of anode fuel and the guide plate of cathode oxidant.These guide plates are both as the current collector motherboard, also as the mechanical support on membrane electrode both sides, guiding gutter on the guide plate acts as a fuel again and enters the passage of anode, cathode surface with oxidant, and as the passage of taking away the water that generates in the fuel cell operation process.
In order to increase the general power of whole Proton Exchange Membrane Fuel Cells, two or more monocells can be connected into battery pack or be unified into battery pack by the mode that tiles usually by straight folded mode.In straight folded, in-line battery pack, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as the cathode diversion face of another adjacent membranes electrode, and this pole plate is called bipolar plates.A series of monocell connects together by certain way and forms a battery pack.Battery pack tightens together by front end-plate, end plate and pull bar usually and becomes one.
A typical battery stack generally includes: the water conservancy diversion import and the flow-guiding channel of (1) fuel and oxidant gas are distributed to fuel (as hydrogen, methyl alcohol or the hydrogen-rich gas that obtained by methyl alcohol, natural gas, gasoline) and oxidant (mainly being oxygen or air) in the guiding gutter of each anode, cathode plane equably after reforming; (2) import and export and the flow-guiding channel of cooling fluid (as water) are evenly distributed to cooling fluid in each battery pack inner cooling channel, the heat absorption that hydrogen in the fuel cell, the exothermic reaction of oxygen electrochemistry are generated and take battery pack out of after dispel the heat; (3) outlet of fuel and oxidant gas and corresponding flow-guiding channel, fuel gas and oxidant gas are when discharging, and portability goes out the liquid that generates in the fuel cell, the water of steam state.Usually, the import and export of all fuel, oxidant, cooling fluid are all opened on the end plate of fuel cell group or on two end plates.
Proton Exchange Membrane Fuel Cells can be used as the dynamical system of delivery vehicles such as all cars, ship, can make portable, portable, fixed TRT again.The Proton Exchange Membrane Fuel Cells electricity generation system must comprise fuel cell pack, the supply of fuel hydrogen, air supply, cooling heat dissipation, various piece such as control and electric energy output automatically.Stable and the reliability of Proton Exchange Membrane Fuel Cells operation is very important to the application as car, ship power system or movable TRT.Stable and the reliability that wherein improves fuel cell pack is crucial.
During the Proton Exchange Membrane Fuel Cells generating, produce a large amount of used heat, need by radiator heat-dissipation, in case fuel cell pack lost efficacy because of overheated, in order to reach better heat radiating effect, sometimes need a lot of radiators to dispel the heat, the waste resource, and the used heat that produces during fuel cell power generation is wandering in air, and the environment temperature around making raises, if adopt electric air-conditioning to regulate the room temperature, also caused certain waste.
Summary of the invention
Purpose of the present invention be exactly provide a kind of in order to overcome the defective that above-mentioned prior art exists and make full use of resource, raise the efficiency, the fuel battery waste heat that utilizes of energy savings drives the method for air-conditioning.
Purpose of the present invention can be achieved through the following technical solutions: a kind of method of utilizing fuel battery waste heat to drive air-conditioning, it is characterized in that, this method is with lithium bromide air-conditioning and radiator tandem or be parallel-connected on the fuel cell pack used heat driving lithium bromide operation of air conditioner that produces during this fuel cell pile power generating.
The operating temperature of described fuel cell pack is generally 60 ℃～80 ℃.
Described lithium bromide air-conditioning is that the used heat that produces during with fuel cell power generation is power source, is absorbent with the lithium bromide water solution, is cold-producing medium with water, utilizes the change in concentration of lithium bromide water solution, the delivery cold-producing medium and constantly circulation freeze.
Described lithium bromide air-conditioning comprises 1～10, is connected on the fuel cell pack with radiator tandem.
Described lithium bromide air-conditioning comprises 1～10, is parallel-connected on the fuel cell pack with radiator.
Described lithium bromide air-conditioning can be arranged on the fuel-cell vehicle engine, also can be arranged on the fuel cell plant, and according to the size and the shape that can the space design the lithium bromide air-conditioning.
Compared with prior art, characteristics of the present invention are: with lithium bromide air-conditioning and radiator tandem or be parallel-connected on the fuel cell pack, do not need more radiator to dispel the heat on the one hand, directly utilize fuel battery waste heat to drive air-conditioning on the other hand and regulate temperature, make existing resource obtain more fully utilizing, and do not need to establish in addition electric air-conditioning and come dispersion fuel battery electricity, saved the energy, improve efficient, produced good benefit.
The electricity refrigeration is to do working medium with fluorine Lyons, and this is to damage the ozone layer to cause the arch-criminal of greenhouse effects as everyone knows.And the lithium bromide air-conditioning is cold-producing medium with water, freezes as absorbent with nontoxic salt-lithium-bromide solution, and its working medium is absolute environmental protection.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the invention 1;
Fig. 2 is the schematic diagram of the embodiment of the invention 2.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments, the invention will be further described.
Shown in the accompanying drawing: 50KW pem fuel cell stack 1, lithium bromide air-conditioning 2, radiator 3, hydrogen supply bottle 4, hydrogen humidifier 5, air pump 6, air humidifier 7, moisture separator 8, water tank 9, coolant circulation pump 10
Embodiment 1
As shown in Figure 1, lithium bromide air-conditioning 2 and radiator 3 are connected in series on the 50KW pem fuel cell stack 1, during this fuel cell pile power generating, produce the used heat of 50KW, in air-conditioning system, LiBr-H is used in absorption circulation always
2O workmanship verifies, wherein water is cold-producing medium, LiBr is an absorbent, a certain amount of bromize lithium concentrated solution is housed in the generator, the rare dope of a certain amount of lithium bromide is housed in the absorber, the rare dope of lithium bromide in the absorber is through solution pump, heat exchanger enters generator, thermal source (steam or water) heating outside down, the water evaporates of bromize lithium dilute solution and become bromize lithium concentrated solution, the steam that is evaporated enters condenser (biggest advantage of absorption recycle ratio steam compression type circulation is that fluid under pressure lacks than gas-pressurized wasted work in the steam compression type circulation in the absorption circulation), after the water cooling that in condenser, the is cooled heat release, enter evaporimeter through expenditure and pressure, vaporization heat absorption cooling air-conditioner circulating water in the evaporimeter of high negative pressure, the water vapour after the vaporization enters absorber, in absorber, absorbed by bromize lithium concentrated solution from generator, bromizate the lithium concentrated solution and become bromize lithium dilute solution, pass through solution pump again, heat exchanger is delivered to generator and is condensed into bromize lithium concentrated solution.In the steam absorption process, the latent heat of vaporization of generation is taken away by cooling water.Lithium-bromide solution is a high-temp liquid, and through cools down, preceding weak solution has reclaimed the part heat thereby generator is advanced in heating, improves rate of energy before entering absorber.The process of heat transmission can be summarized as in the absorption circulation: when the water in the airborne low-temperature heat source cooling evaporimeter, high temperature heat source is to the heating of the solution in the generator, and condenser and absorber are discharged to heat in the ambient atmosphere by water and air.
1 generating of 50KW pem fuel cell stack is to need a plurality of radiator heat-dissipations usually, lithium bromide air-conditioning in the series connection, can reduce radiator and use number, and the 50KW used heat that directly utilizes fuel cell to produce drives lithium bromide air-conditioning 2 adjusting temperature, saved the energy, make existing resource obtain utilizing more fully, and the electricity that does not need to disperse pem fuel cell stack 1 to produce drives air-conditioning, the 50KW electricity that is produced can be used for producing fully, improve efficient, produced good benefit.
And electricity refrigeration is to do working medium with fluorine Lyons, and this is to damage the ozone layer to cause the arch-criminal of greenhouse effects as everyone knows.And the lithium bromide air-conditioning is cold-producing medium with water, freezes as absorbent with nontoxic salt-lithium-bromide solution, and its working medium is absolute environmental protection.
Embodiment 2
As shown in Figure 2, lithium bromide air-conditioning 2 and radiator 3 are parallel-connected on the 50KW pem fuel cell stack 1, during this fuel cell pile power generating, the used heat that produces 50KW drives 2 work of lithium bromide air-conditioning.
Can as required a plurality of radiators be installed, and a plurality of lithium bromide air-conditionings of serial or parallel connection.
Claims (6)
1. a method of utilizing fuel battery waste heat to drive air-conditioning is characterized in that, this method is with lithium bromide air-conditioning and radiator tandem or be parallel-connected on the fuel cell pack used heat driving lithium bromide operation of air conditioner that produces during this fuel cell pile power generating.
2. a kind of method of utilizing fuel battery waste heat to drive air-conditioning according to claim 1 is characterized in that the operating temperature of described fuel cell pack is generally 60 ℃～80 ℃.
3. a kind of method of utilizing fuel battery waste heat to drive air-conditioning according to claim 1, it is characterized in that, described lithium bromide air-conditioning is that the used heat that produces during with fuel cell power generation is power source, with the lithium bromide water solution is absorbent, with water is cold-producing medium, utilize the change in concentration of lithium bromide water solution, delivery cold-producing medium constantly circulation freezes.
4. a kind of method of utilizing fuel battery waste heat to drive air-conditioning according to claim 1 is characterized in that described lithium bromide air-conditioning comprises 1～10, is connected on the fuel cell pack with radiator tandem.
5. a kind of method of utilizing fuel battery waste heat to drive air-conditioning according to claim 1 is characterized in that described lithium bromide air-conditioning comprises 1～10, is parallel-connected on the fuel cell pack with radiator.
6. a kind of method of utilizing fuel battery waste heat to drive air-conditioning according to claim 1, it is characterized in that, described lithium bromide air-conditioning can be arranged on the fuel-cell vehicle engine, also can be arranged on the fuel cell plant, and design the size and the shape of lithium bromide air-conditioning according to free space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101480444A CN101210750A (en) | 2006-12-27 | 2006-12-27 | Method for driving air-conditioner by utilizing fuel battery waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101480444A CN101210750A (en) | 2006-12-27 | 2006-12-27 | Method for driving air-conditioner by utilizing fuel battery waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101210750A true CN101210750A (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101480444A Pending CN101210750A (en) | 2006-12-27 | 2006-12-27 | Method for driving air-conditioner by utilizing fuel battery waste heat |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099211A (en) * | 2008-08-09 | 2011-06-15 | 戴姆勒股份公司 | Motor vehicle with air conditioning of the battery and associated operating method |
| CN102456897A (en) * | 2010-10-20 | 2012-05-16 | 上海新奥能源科技有限公司 | Combined electricity-heat-cold supply system based on fuel cell |
| CN104567100A (en) * | 2014-12-30 | 2015-04-29 | 合肥万豪环境科技有限责任公司 | Cooling, heating and generation and hot-water supply combined system driven by proton film fuel cell |
| CN104596001A (en) * | 2014-12-29 | 2015-05-06 | 广东合即得能源科技有限公司 | Air conditioning system based on methanol water hydrogen manufacturing and power generating system and control method thereof |
| CN106642803A (en) * | 2017-01-24 | 2017-05-10 | 武汉地质资源环境工业技术研究院有限公司 | High-temperature heat supply system for proton exchange membrane fuel cell |
| CN106642802A (en) * | 2017-01-24 | 2017-05-10 | 武汉地质资源环境工业技术研究院有限公司 | High-temperature heat pump hot water system driven by proton exchange membrane fuel cell |
| CN108317767A (en) * | 2018-04-03 | 2018-07-24 | 浙江工业大学 | One proton exchanging film fuel battery afterheat utilizing system and method |
| CN108365235A (en) * | 2018-01-04 | 2018-08-03 | 山东科技大学 | Fuel cell afterheat utilizing system based on Organic Rankine Cycle |
| CN109458750A (en) * | 2018-10-15 | 2019-03-12 | 开沃新能源汽车集团有限公司 | Utilize the refrigeration system with lithium bromide absorption of electric control waste heat and fuel cell waste heat |
| CN113540511A (en) * | 2021-07-16 | 2021-10-22 | 西安海望能源科技有限公司 | Organic liquid integrated energy system capable of efficiently recovering heat |
-
2006
- 2006-12-27 CN CNA2006101480444A patent/CN101210750A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099211A (en) * | 2008-08-09 | 2011-06-15 | 戴姆勒股份公司 | Motor vehicle with air conditioning of the battery and associated operating method |
| CN102456897A (en) * | 2010-10-20 | 2012-05-16 | 上海新奥能源科技有限公司 | Combined electricity-heat-cold supply system based on fuel cell |
| CN102456897B (en) * | 2010-10-20 | 2015-12-09 | 上海新奥能源科技有限公司 | Fuel cell electric heating cold supply system |
| CN104596001A (en) * | 2014-12-29 | 2015-05-06 | 广东合即得能源科技有限公司 | Air conditioning system based on methanol water hydrogen manufacturing and power generating system and control method thereof |
| CN104596001B (en) * | 2014-12-29 | 2019-03-19 | 广东合即得能源科技有限公司 | Air-conditioning system and its control method based on methanol-water preparing hydrogen, generating power system |
| CN104567100A (en) * | 2014-12-30 | 2015-04-29 | 合肥万豪环境科技有限责任公司 | Cooling, heating and generation and hot-water supply combined system driven by proton film fuel cell |
| CN106642802A (en) * | 2017-01-24 | 2017-05-10 | 武汉地质资源环境工业技术研究院有限公司 | High-temperature heat pump hot water system driven by proton exchange membrane fuel cell |
| CN106642803A (en) * | 2017-01-24 | 2017-05-10 | 武汉地质资源环境工业技术研究院有限公司 | High-temperature heat supply system for proton exchange membrane fuel cell |
| CN108365235A (en) * | 2018-01-04 | 2018-08-03 | 山东科技大学 | Fuel cell afterheat utilizing system based on Organic Rankine Cycle |
| CN108365235B (en) * | 2018-01-04 | 2020-12-01 | 山东科技大学 | Fuel cell waste heat utilization system based on organic Rankine cycle |
| CN108317767A (en) * | 2018-04-03 | 2018-07-24 | 浙江工业大学 | One proton exchanging film fuel battery afterheat utilizing system and method |
| CN108317767B (en) * | 2018-04-03 | 2023-12-26 | 浙江工业大学 | Proton exchange membrane fuel cell waste heat utilization system and method |
| CN109458750A (en) * | 2018-10-15 | 2019-03-12 | 开沃新能源汽车集团有限公司 | Utilize the refrigeration system with lithium bromide absorption of electric control waste heat and fuel cell waste heat |
| CN113540511A (en) * | 2021-07-16 | 2021-10-22 | 西安海望能源科技有限公司 | Organic liquid integrated energy system capable of efficiently recovering heat |
| CN113540511B (en) * | 2021-07-16 | 2024-03-01 | 陕西氢易能源科技有限公司 | Organic liquid integrated energy system with high-efficiency heat recovery |
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