CN205177938U - Domestic low temperature solid oxide fuel cell cogenerator of 5kW - Google Patents
Domestic low temperature solid oxide fuel cell cogenerator of 5kW Download PDFInfo
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- CN205177938U CN205177938U CN201521045321.XU CN201521045321U CN205177938U CN 205177938 U CN205177938 U CN 205177938U CN 201521045321 U CN201521045321 U CN 201521045321U CN 205177938 U CN205177938 U CN 205177938U
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- Prior art keywords
- fuel cell
- heat exchanger
- converter
- hot water
- energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model discloses a domestic low temperature solid oxide fuel cell cogenerator of 5kW, including admitting air pump, fuel cell stack, photovoltaic array, DCAC converter, domestic load, DCDC converter, battery, change over switch, heating heat exchanger, hot water heat exchanger, tail gas separator, hot water insulation can, room heater. Fuel cell stack turns into electric energy and the use of heat energy confession user with the chemical energy of fuel, and domestic load power supply is directly given to the electric energy, and heat energy loops through the heating heat exchanger, hot water heat exchanger can realize that the family keeps warm and family expenses life hot water. Utilize solar energy to give domestic load power supply simultaneously, the electric energy that solar energy produced heats for fuel cell stack auxiliary heater, the supplementary fuel cell stack that starts. The system is equipped with the battery, guarantees that fuel cell stack can both start any time smoothly.
Description
Technical field
The utility model relates to
oneplant 5kW family expenses low-temperature solid oxide fuel cell cogenerator, be the domestic combined heat and power device utilizing solar energy and fuel cell to form specifically, belong to technical field of new energy utilization.
Background technology
Along with the exploitation of natural gas and the raising of environmental requirement, no matter be developed country or developing country, all successively enter market widelys popularize period to distributed busbar protection, national governments support energetically especially in supporting policy, law etc., and the distribution in China development formula energy is also faced with unprecedented good opportunity.The a snow calamity of 2008 has had a deep energy and electric power safety class to compatriots, and the energy and the supply of electric power safety problem of warning China should attract great attention more, and the energy of China and electric power structure must be accelerated the reform further.Along with the development in city, building distributed samll cities and towns is inexorable trends, and domestic combined heat and power (Domestic-CHP) mode also progressively should be moved towards in newly-built community.Domestic combined heat and power refers to the market target replacing existing back boiler, for the cogeneration system of domestic consumer.Can ensure that when city bulk power grid breaks down family life is not affected substantially.This system has obtained the accreditation of the policy maker of increasing country, equipment manufacturers and owner, and product will use in the world in a large number.
Domestic combined heat and power (Domestic-CHP) is as a kind of small distributed energy system, used heat can be collected while providing electric power for family, compared with traditional larger central power station, can be realized it be quickly worth, reduce the demand pressure to electrical network, reduce loss when traditional electrical stands in transmission and distributes.This system has obtained the accreditation of the policy maker of increasing country, equipment manufacturers and owner, and this product will use in the world in a large number.Up-to-date report according to Parker fact-finding organ is pointed out, domestic combined heat and power system comprises villa and apartment etc., and by 2022, it installs total amount will reach 13,500,000.Clean energy resource market institution is estimated, the market output value that these systems are brought will reach 41,000,000,000 dollars in 2022.Mechanism investigation director Kerry-AnnAdamson says: " family expenses CHP technology will reduce carbon emission, improve family's efficiency, reduce energy spending simultaneously.This technology obtains good development in the market, and we see annual market scale in rapid expansion." according to Parker pulse national grid department country variant to be produced and to use the investigation of family expenses CHP system, the country of whole world row front three is Germany, Japan and Korea S at present.These countries have all put into effect clear policy, comprise and establish large-scale production base to a series of encouragement plan of user and locality.The key factor promoting this System Development is the frequent generation of electric network fault.Such as, the power failure that in March, 2011, Fukushima, Japan nuclear accident caused makes the order of Japanese resCHP system increase sharply.If occur in other countries, this country CHP system uses in a large number simultaneously, and they also can see same situation.
Utility model content
Utility model object: for the problem and shortage of above-mentioned existing Domestic CHP Technology, the purpose of this utility model is to provide a kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator, utilizes solar energy and fuel cell to combine power supply, heat supply.
technical scheme:a kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator, comprises air intake pump (1), fuel cell pack (2), photovoltaic array (3), DC/AC converter (4), domestic loads (5), DC/DC converter (6), storage battery (7), diverter switch (8), heating heat exchanger (9), hot water heat exchanger (10), Reconstruction of End Gas Separator (11), hot water thermal insulating case (12), warmer (13); Wherein fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2).
Fuel pumps in the fuel cell reaction still (2-1) of fuel cell pack (2) by described air intake pump (1), the gas got rid of is successively through heating heat exchanger (9), hot water heat exchanger (10), the thermal energy transfer warmer (13) that heating heat exchanger (9) will obtain, hot water heat exchanger (10) by the thermal energy transfer that obtains to service water, be saved to hot water thermal insulating case (12), fuel is separated through Reconstruction of End Gas Separator (11) by the gas that hot water heat exchanger (10) is discharged, again be back to air intake pump (1), other exhaust emissions is in air; Diverter switch (8) is installed in parallel with heating heat exchanger (9).
The output of described photovoltaic array (3) is connected with the input of DC/DC converter (6), and DC/DC converter (6) has two-way to export, and DC/DC converter (6) exports one and is connected with the power supply input of the auxiliary heater (2-2) of fuel cell pack (2); DC/DC converter (6) output two inputs with DC/AC converter (4) and is connected, the output of DC/AC converter (4) inputs with domestic loads (5) and is connected, the electric energy output of fuel cell pack (2) inputs with DC/AC converter (4) and is connected, and the input of storage battery (7) is arranged on the output of DC/DC converter (6).
Described fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2).
After auxiliary heater (2-2) obtains electric energy, heating fuel cell reaction still (2-1), starting fluid cell reaction still (2-1) reaches operating temperature.
Described diverter switch (8) is installed in parallel with heating heat exchanger (9), and when user does not need to use warmer (13), closed diverter switch (8), heat exchanger (9) short circuit of warming oneself, does not run.
Described air intake pump (1) is for pumping into fuel in fuel cell pack (2).
Described fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2), the battery pile of the 5kW that fuel cell reaction still (2-1) is made up of fuel cell sheet, auxiliary heater (2-2) is for heating fuel cell reaction still (2-1).
Described photovoltaic array (3), for solar energy is converted to electric energy, is made up of monocrystalline silicon or polysilicon photovoltaic cells.
Described DC/AC converter (4), for being AC energy by DC converting, is powered to domestic loads (5).
Described domestic loads (5) refers to the household electrical appliance such as refrigerator, television set, air-conditioning, illumination.
Described DC/DC converter (6) is that the direct current energy of photovoltaic array (3) is transformed to the charging requirement meeting fuel cell pack (2) electricity consumption requirement and storage battery (7).
Described storage battery (7) is made up of lead acid accumulator, and on the one hand, under the condition that solar energy is comparatively sufficient, store the electric energy of photovoltaic array (3), on the other hand, under the condition not having solar energy, storage battery (7) is powered to fuel cell pack (2).
Described diverter switch (8), when warming up in summer or weather, without the need to using heating, can short circuit heating heat exchanger (9) by diverter switch (8).
Described heating heat exchanger (9) is made up of heat exchanger, the middle temperature steam required for the high-temperature tail gas heating service discharge fuel cell pack (2).
Described hot water heat exchanger (10) is made up of heat exchanger, the hot water of the middle temperature tail gas heating life of being discharged by the fuel cell pack (2) after heating heat exchanger (9) heat exchange.
Described Reconstruction of End Gas Separator (11) is made up of gas separator, by for participate in reaction gas separaion and recycling.
Described hot water thermal insulating case (12) is for storing the hot water of life, and described warmer (13) is made up of iron pipe warming sheet, and inside is device of working medium, and device of working medium is going out to be heated in heating heat exchanger (9).
Beneficial effect: compared with prior art, the utility model has the following advantages:
(1) utilize fuel cell to realize cogeneration, efficiency be high, pollute little.
(2) solar energy and fuel cell composite supply energy is utilized, environmental protection more.
(3) operating temperature is low, is about 500 degree, makes that the cost of material is low, reliable, and traditional high-temp solid oxidized fuel cell temperature is 900 degree.
(4) adopt nanometer composite technology to obtain low-temperature solid oxidization electrolysis pond, and in conjunction with China's rare earth resources, the autonomous new high-tech industry of China can be developed.
(5) can modularized design be realized, according to different users, different installed capacitys can be designed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 be air intake pump, 2 are fuel cell packs, 3 are photovoltaic arrays, 4 are DC/AC converters, 5 are domestic loads, 6 are DC/DC converters, 7 are storage batterys, 8 are diverter switches, 9 are heating heat exchangers, 10 are hot water heat exchangers, 11 are Reconstruction of End Gas Separators, 12 are hot water thermal insulating casees, 13 is warmers.
Fig. 2 is electrolytic cell reactor structure figure.
In figure: 2 are fuel cell packs, 2-1 is fuel cell reaction still, 2-2 is auxiliary heater.
Embodiment
See figures.1.and.2, a kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator, comprises air intake pump (1), fuel cell pack (2), photovoltaic array (3), DC/AC converter (4), domestic loads (5), DC/DC converter (6), storage battery (7), diverter switch (8), heating heat exchanger (9), hot water heat exchanger (10), Reconstruction of End Gas Separator (11), hot water thermal insulating case (12), warmer (13); Wherein fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2).
Fuel pumps in the fuel cell reaction still (2-1) of fuel cell pack (2) by described air intake pump (1), the gas got rid of is successively through heating heat exchanger (9), hot water heat exchanger (10), the thermal energy transfer warmer (13) that heating heat exchanger (9) will obtain, hot water heat exchanger (10) by the thermal energy transfer that obtains to service water, be saved to hot water thermal insulating case (12), fuel is separated through Reconstruction of End Gas Separator (11) by the gas that hot water heat exchanger (10) is discharged, again be back to air intake pump (1), other exhaust emissions is in air; Diverter switch (8) is installed in parallel with heating heat exchanger (9).
The output of described photovoltaic array (3) is connected with the input of DC/DC converter (6), and DC/DC converter (6) has two-way to export, and DC/DC converter (6) exports one and is connected with the power supply input of the auxiliary heater (2-2) of fuel cell pack (2); DC/DC converter (6) output two inputs with DC/AC converter (4) and is connected, the output of DC/AC converter (4) inputs with domestic loads (5) and is connected, the electric energy output of fuel cell pack (2) inputs with DC/AC converter (4) and is connected, and the input of storage battery (7) is arranged on the output of DC/DC converter (6).
Described fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2).
After auxiliary heater (2-2) obtains electric energy, heating fuel cell reaction still (2-1), starting fluid cell reaction still (2-1) reaches operating temperature.
Described diverter switch (8) is installed in parallel with heating heat exchanger (9), and when user does not need to use warmer (13), closed diverter switch (8), heat exchanger (9) short circuit of warming oneself, does not run.
Operation principle: first auxiliary heater (2-2) obtains electric startup heating, after reaching desired temperature, add fuel to fuel cell reaction still (2-1), be electric energy by the chemical energy of fuel, produce heat energy simultaneously, electric energy is powered directly to domestic loads, as housed devices such as air-conditioning, TV, kitchen tools.Heat energy provides heating and domestic hot-water to user respectively through heating heat exchanger (9), hot water heat exchanger (10), containing the fuel not participating in reaction in the tail gas got rid of, through Reconstruction of End Gas Separator (11), the fuel not participating in reaction is isolated, and return in air intake pump (1), provide fuel to system.
Electric energy required for system comes from photovoltaic array (3), and photovoltaic array (3) provides electric energy to system on the one hand, powers on the other hand through DC/AC converter (4) to domestic loads (5).For ensureing the startup of any time of fuel cell pack (2), the utility model is also equipped with storage battery (7), under the condition not having sunlight, storage battery (7) is utilized to power to auxiliary heater (2-2), starting fluid battery pile (2), the main electric supply installation that fuel cell pack (2) is system, photovoltaic array (3) is auxiliary power supply.
The foregoing is only better embodiment of the present utility model; protection range of the present utility model is not limited with above-mentioned execution mode; in every case those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, and all should include in the protection range recorded in claims.
Claims (3)
1. a 5kW family expenses low-temperature solid oxide fuel cell cogenerator, comprises air intake pump (1), fuel cell pack (2), photovoltaic array (3), DC/AC converter (4), domestic loads (5), DC/DC converter (6), storage battery (7), diverter switch (8), heating heat exchanger (9), hot water heat exchanger (10), Reconstruction of End Gas Separator (11), hot water thermal insulating case (12), warmer (13); Wherein fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2);
Fuel pumps in the fuel cell reaction still (2-1) of fuel cell pack (2) by described air intake pump (1), the gas got rid of is successively through heating heat exchanger (9), hot water heat exchanger (10), the thermal energy transfer warmer (13) that heating heat exchanger (9) will obtain, hot water heat exchanger (10) by the thermal energy transfer that obtains to service water, be saved to hot water thermal insulating case (12), fuel is separated through Reconstruction of End Gas Separator (11) by the gas that hot water heat exchanger (10) is discharged, again be back to air intake pump (1), other exhaust emissions is in air; Diverter switch (8) is installed in parallel with heating heat exchanger (9);
The output of described photovoltaic array (3) is connected with the input of DC/DC converter (6), and DC/DC converter (6) has two-way to export, and DC/DC converter (6) exports one and is connected with the power supply input of the auxiliary heater (2-2) of fuel cell pack (2); DC/DC converter (6) exports two and is connected with DC/AC converter (4), the output of DC/AC converter (4) inputs with domestic loads (5) and is connected, the electric energy output of fuel cell pack (2) inputs with DC/AC converter (4) and is connected, and the input of storage battery (7) is arranged on the output of DC/DC converter (6).
2. a kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator according to claim 1, is characterized in that fuel cell pack (2) is made up of fuel cell reaction still (2-1), auxiliary heater (2-2);
After auxiliary heater (2-2) obtains electric energy, heating fuel cell reaction still (2-1), starting fluid cell reaction still (2-1) reaches operating temperature.
3. a kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator according to claim 1, it is characterized in that diverter switch (8) is installed in parallel with heating heat exchanger (9), when user does not need to use warmer (13), closed diverter switch (8), to warm oneself heat exchanger (9) short circuit, not run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045321.XU CN205177938U (en) | 2015-12-16 | 2015-12-16 | Domestic low temperature solid oxide fuel cell cogenerator of 5kW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045321.XU CN205177938U (en) | 2015-12-16 | 2015-12-16 | Domestic low temperature solid oxide fuel cell cogenerator of 5kW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177938U true CN205177938U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521045321.XU Expired - Fee Related CN205177938U (en) | 2015-12-16 | 2015-12-16 | Domestic low temperature solid oxide fuel cell cogenerator of 5kW |
Country Status (1)
| Country | Link |
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| CN (1) | CN205177938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364343A (en) * | 2016-09-13 | 2017-02-01 | 北汽福田汽车股份有限公司 | Power supply system of automobile and automobile |
| CN106898793A (en) * | 2015-12-16 | 2017-06-27 | 南京蕴纳纳米科技有限公司 | A kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator |
-
2015
- 2015-12-16 CN CN201521045321.XU patent/CN205177938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898793A (en) * | 2015-12-16 | 2017-06-27 | 南京蕴纳纳米科技有限公司 | A kind of 5kW family expenses low-temperature solid oxide fuel cell cogenerator |
| CN106364343A (en) * | 2016-09-13 | 2017-02-01 | 北汽福田汽车股份有限公司 | Power supply system of automobile and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161216 |