CN206907859U - Ethanol reformation fuel cell generation - Google Patents
Ethanol reformation fuel cell generation Download PDFInfo
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- CN206907859U CN206907859U CN201720605421.6U CN201720605421U CN206907859U CN 206907859 U CN206907859 U CN 206907859U CN 201720605421 U CN201720605421 U CN 201720605421U CN 206907859 U CN206907859 U CN 206907859U
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- ethanol
- reforming reaction
- catalyst
- evaporator
- combustion chamber
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
It the utility model is related to ethanol reformation fuel cell generation, including combustion chamber, reforming reaction room and evaporator, described combustion chamber is used for ethanol and produces heat with combustion adjuvant burning, evaporator is used to exchange the heat of combustion chamber by feed ethanol and water vapor, reforming reaction room is used for feed ethanol and carries out reforming reaction generation reformed syngas with water, set in reforming reaction room two layers it is catalyst fixed bed, first catalyst fixed bed interior fixed load Pd catalyst, second catalyst fixed bed interior fixed Ni bases catalyst, prevents the formation of coke.The utility model directly uses liquid ethanol fuel, simplifies structure, required reaction temperature can be quickly heated up to after on the other hand lighting, and reduces and starts the time, safety, and working stability is highly reliable.
Description
Technical field
It the utility model is related to field of fuel cell technology, the small fuel cell hair of particularly a kind of hydrogen from ethanol reforming
Electric system.
Background technology
With the whole world at present to being calculated by the speed consumed, the petroleum reserves of the earth is able to maintain that 20a.The reserves of coal can
Maintain 70a.Therefore, fossil energy gradually will be substituted by the non-fossil energy.
In numerous new energy, Hydrogen Energy will turn into the 21 century optimal energy.Burning identical coal, gasoline and
In the case of hydrogen, energy is most caused by hydrogen, and the product that it burns is water, without lime-ash and waste gas, will not be polluted
Environment.
Fuel cell is the optimum carrier for Hydrogen Energy being converted into electric energy.At present four kinds of the hydrogen source of fuel cell it is basic
Mode（Electrolysis water, gasification, the partial oxidation of heavy oil and alcohol reforming reaction）In, Aalcohols fuel is due to the advantages of its is unique and again
Attract attention.But the toxicity of methanol and non-renewable ethanol is set to show advantage as nontoxic and regenerative resource.With fuel electricity
Other fuel in pond are compared, and ethanol has the advantages of unique：First, in terms of raw material sources, ethanol can both obtain from fossil resource
Take, can also directly be obtained from nature, such as produced by the fermentation of cereal and carbohydrate, by biomass degradation etc., therefore, changed
After stone resource exhaustion, still ethanol can be obtained as fuel by the use of earth surface vegetation and crops；Second, it is that ethanol is storing
With the security in processing.It is liquid under alcohol at normal temperature normal pressure, can be also processed into solid-state, beneficial to storage and transport.Alcohol toxicity
It is very low, it is improved in processing and using upper security.3rd, ethanol has heat diffusivity on a catalyst, in high activity
Catalyst on, ethanol reformation low temperature range occur；4th is that the ratio energy of ethanol is significantly larger than methanol and hydrogen.
Ethanol low temperature steam reforming in the range of 300-550 DEG C, reform in the range of 650-930 DEG C by high-temperature vapor.
The harmful side product of ethanol high-temperature vapor reforming reaction is mainly carbon monoxide, but by the steam conversion of subsequent step and one
The selective oxidation of carbonoxide, concentration can be less than tens 10-5.But the precipitation of carbon is had at high temperature.The carbon covering heap of precipitation
Product will cause the inactivation of catalysis on the surface of catalyst, therefore the carbon produced during high temperature is another harmful pair of reformation hydrogen production
Product.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of ethanol reformation fuel cell generation.
To solve above technical problem, the technical solution adopted in the utility model is：A kind of ethanol reformation fuel cell hair
Electric system, including combustion chamber, reforming reaction room and evaporator, described combustion chamber are used for ethanol and produce heat with combustion adjuvant burning
Amount, combustion chamber is connected with alcohol fuel input pipe and combustion adjuvant input pipe；Described evaporator is used for the heat for exchanging combustion chamber
By feed ethanol and water vapor, the input port of evaporator is connected with feed ethanol input pipe and raw material water inlet pipe, evaporator
Output port be connected with reforming reaction room；Described reforming reaction room is used for feed ethanol and carries out reforming reaction generation weight with water
It is integrated into gas, there is material mixed gas input port and reformed syngas output port, material mixed gas input on reforming reaction room
Port is connected with the output port of evaporator；Set in reforming reaction room two layers it is catalyst fixed bed, first it is catalyst fixed bed in
It is fixed to carry Pd catalyst, the second catalyst fixed bed interior fixed Ni bases catalyst, the connection CO purifications of reformed syngas output port
Reative cell, CO purification reative cell output port connection Proton Exchange Membrane Fuel Cells.
When methanol steam reforming device starts, alcohol fuel mixes with combustion adjuvant air or oxygen, is sprayed onto in combustion chamber, in point
Rapid burning produces heat in the presence of firearm.Into evaporator and reforming reaction room, chamber conducts heat caused by combustion chamber rapidly,
Feed ethanol and water vaporize in evaporator forms mixed raw material gas, and hot mixed gas enters reforming reaction room in catalyst
In the presence of occur reforming reaction produce hydrogen-rich gas.Hydrogen-rich gas reduces CO contents further across CO purification reative cells, so
After be delivered to fuel cell produce electric power, the converted product not used completely can send back to combustion chamber for react heat is provided.
In reforming reaction room, ethanol first passes around first catalyst fixed bed, and first is converted into the case where carrying Pd catalyst actions
Alkane, oxycarbide and hydrogen, it is then catalyst fixed bed by second again, methane vapor weight is carried out under Ni base catalyst actions
It is whole that said mixture is converted into synthesis gas, using two layers catalyst reforming reaction when can prevent the formation of coke and can carry
For the synthesis gas close to Balance Air.
Ethanol reformation fuel cell generation described in the utility model, using ethanol as fuel and reformer feed,
Security of the ethanol in storage and processing.Ethanol combustion produces heat on startup, there is provided the temperature required for reforming reaction, with
Traditional reforming reactor is compared, on the one hand, is directly simplified structure using liquid fuel, can quickly be heated after on the other hand lighting
To required reaction temperature, reduce and start the time, working stability is highly reliable.
Brief description of the drawings
Accompanying drawing herein is used for providing the part for further explanation of the present utility model, forming the application, this practicality
New schematic description and description is used for explaining the utility model, does not form to improper restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
In figure, 1- combustion chambers, 2- reforming reactions room, 3- evaporators, 4- alcohol fuel input pipes, 5- combustion adjuvant input pipes,
6- feed ethanol input pipes, 7- raw material water inlet pipes, 8-CO purification reative cells, 9- Proton Exchange Membrane Fuel Cells, 10- first are urged
Agent fixed bed, 11- second is catalyst fixed bed, 12- peristaltic pumps.
Embodiment
In order that those skilled in the art are better understood from the utility model, below in conjunction with refer to the attached drawing and in conjunction with the embodiments
Further clear, complete explanation is made to the utility model.It should be noted that in the case where not conflicting, in the application
Feature in embodiment and embodiment can be mutually combined.
In order to provide a kind of safety, working stability, highly reliable alcohol fuel cell electricity generation system, in the utility model
In a kind of typical embodiment, including combustion chamber 1, reforming reaction room 2 and evaporator 3, described combustion chamber 1 are used for ethanol
Burnt with combustion adjuvant and produce heat, combustion chamber 1 is connected with alcohol fuel input pipe 4 and combustion adjuvant input pipe 5；Described evaporator
3 are used to exchanging the heat of combustion chamber 1 by feed ethanol and water vapor, the input port of evaporator 3 and feed ethanol input pipe 6 and
Raw material water inlet pipe 7 is connected, and the output port of evaporator 3 is connected with reforming reaction room 2；Described reforming reaction room 2 is used for original
Expect that ethanol carries out reforming reaction with water and produces reformed syngas, have material mixed gas input port and reformation on reforming reaction room 2
Synthesis gas output port, material mixed gas input port are connected with the output port of evaporator 3.Two layers is set in reforming reaction room to urge
Agent fixed bed, it is fixed in first catalyst fixed bed 10 to carry Pd catalyst, fix Ni bases in second catalyst fixed bed 11 and urge
Agent, reformed syngas output port connection CO purification reative cells 8, CO purification reative cell 8 output port connection PEMs
Fuel cell 9.
Combustion chamber 1 provides heat for reforming reaction, and fuel is ethanol, and combustion adjuvant is at least one of air and oxygen,
Combustion product is CO2And H2O, heat is released in combustion process, there is nozzle, igniter and air distribution pipe in combustion chamber 1.Should
Reaction can burn rapidly generation heat, evaporator 3 and reforming reaction room 2 in the heat radiation scope of combustion chamber 1 so that
Combustion chamber 1 and reforming reaction room 2 are brought rapidly up required temperature.Alcohol fuel input pipe 4 and combustion adjuvant input pipe 5 are used respectively
In input alcohol fuel and combustion adjuvant into combustion chamber 1.Evaporator 3 is the vaporization place of feed ethanol and water, feed ethanol and
Water inputs evaporator 3 by feed ethanol input pipe 6 and raw material water inlet pipe 7 from the input port of evaporator 3 respectively, after vaporization
Mixed gas exported from the output port of evaporator 3 to reforming reaction room 2.Second alcohol and water reaction generation in reforming reaction room 2
Reformed syngas.
In reforming reaction room, ethanol first passes around first catalyst fixed bed 10, is converted into the case where carrying Pd catalyst actions
Methane, oxycarbide and hydrogen, then pass through second catalyst fixed bed 11 again, methane water steaming is carried out under Ni base catalyst actions
Gas is reformed and said mixture is converted into synthesis gas, using two layers catalyst reforming reaction when can prevent the formation of coke simultaneously
Synthesis gas close to Balance Air can be provided.
During hydrogen from ethanol reforming reactor start-up, alcohol fuel enters burning by peristaltic pump 12, alcohol fuel input pipe 4
The nozzle at the top of room 1, mixes with combustion adjuvant air or oxygen, is sprayed onto in combustion chamber 1, the rapid burning production in the presence of igniter
Heat, it starts, and the time is short, and operation and device are all very simple.Heat caused by combustion chamber 1 is rapidly to evaporator 3 and reforming reaction
The inner chamber of room 2 is conducted, and the vaporization in evaporator 3 of feed ethanol and water forms mixed raw material gas, and hot mixed gas, which enters, reforms
Reforming reaction occurs in the presence of catalyst and produces hydrogen-rich gas for reative cell 2.
The scope of the requires of the utility model protection is not limited to above embodiment, for those skilled in the art
Speech, the utility model can have a various deformation and change, it is all made within design of the present utility model with principle any repair
Change, improve and equivalent substitution all should be included in the scope of protection of the utility model within.
Claims (1)
1. a kind of ethanol reformation fuel cell generation, including combustion chamber（1）, reforming reaction room（2）And evaporator（3）,
It is characterized in that：Described combustion chamber（1）Heat, combustion chamber are produced for ethanol and combustion adjuvant burning（1）It is defeated with alcohol fuel
Enter pipe（4）With combustion adjuvant input pipe（5）It is connected；Described evaporator（3）For exchanging combustion chamber（1）Heat by feed ethanol
And water vapor, evaporator（3）Input port and feed ethanol input pipe（6）With raw material water inlet pipe（7）It is connected, evaporator
（3）Output port and reforming reaction room（2）It is connected；Described reforming reaction room（2）Reformed for feed ethanol and water
Reaction produces reformed syngas, reforming reaction room（2）On have material mixed gas input port and reformed syngas output port, it is former
Expect gaseous mixture input port and evaporator（3）Output port be connected；Set in reforming reaction room two layers it is catalyst fixed bed, first
It is catalyst fixed bed（10）Interior fixed load Pd catalyst, second is catalyst fixed bed（11）Interior fixed Ni bases catalyst, reform and close
Into gas output port connection CO purification reative cells（8）, CO purification reative cells（8）Output port connects Proton Exchange Membrane Fuel Cells
（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605421.6U CN206907859U (en) | 2017-05-27 | 2017-05-27 | Ethanol reformation fuel cell generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605421.6U CN206907859U (en) | 2017-05-27 | 2017-05-27 | Ethanol reformation fuel cell generation |
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| Publication Number | Publication Date |
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| CN206907859U true CN206907859U (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720605421.6U Active CN206907859U (en) | 2017-05-27 | 2017-05-27 | Ethanol reformation fuel cell generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461781A (en) * | 2017-02-20 | 2018-08-28 | 迪尔航空航天有限公司 | The method and fuel cell system of starting fluid battery apparatus |
-
2017
- 2017-05-27 CN CN201720605421.6U patent/CN206907859U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461781A (en) * | 2017-02-20 | 2018-08-28 | 迪尔航空航天有限公司 | The method and fuel cell system of starting fluid battery apparatus |
| CN108461781B (en) * | 2017-02-20 | 2022-02-01 | 迪尔航空航天有限公司 | Method for starting up a fuel cell device and fuel cell device |
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