CN102024969A - A method and device for discharging liquid water on the hydrogen side of a fuel cell module - Google Patents
A method and device for discharging liquid water on the hydrogen side of a fuel cell module Download PDFInfo
- Publication number
- CN102024969A CN102024969A CN201010563874XA CN201010563874A CN102024969A CN 102024969 A CN102024969 A CN 102024969A CN 201010563874X A CN201010563874X A CN 201010563874XA CN 201010563874 A CN201010563874 A CN 201010563874A CN 102024969 A CN102024969 A CN 102024969A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- hydrogen
- hydrogen side
- ptc thermistor
- liquid water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 239000000446 fuel Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000001257 hydrogen Substances 0.000 title claims abstract description 47
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007599 discharging Methods 0.000 title claims abstract description 5
- 239000007788 liquid Substances 0.000 title claims abstract 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 9
- 230000008016 vaporization Effects 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims abstract 4
- 238000009413 insulation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011534 incubation Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- 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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- Fuel Cell (AREA)
Abstract
A method for discharging liquid water at hydrogen side of fuel cell module includes collecting liquid water discharged from hydrogen side of fuel cell, heating and vaporizing by PTC thermistor, and discharging or returning it to fuel cell stack in gaseous state. The device applying the method is characterized in that a hydrogen side water divider is connected in series with the lowest point of a hydrogen discharge pipeline of the fuel cell, the hydrogen side water divider is arranged in a heat preservation box, an inlet and an outlet of the hydrogen side water divider are respectively communicated with a hydrogen outlet of the fuel cell and a hydrogen discharge valve, a PTC thermistor is arranged outside a water collection part of the hydrogen side water divider in the heat preservation box, and the PTC thermistor is connected with a load line of the fuel cell. The invention has the beneficial effects that: the liquid water discharged by the fuel cell stack module can be concentrated and vaporized, the difficulty of hydrogen side water discharge is solved, and the method has the advantages of simplicity in realization, safety, reliability, low cost, simple system structure and the like.
Description
Technical field:
The present invention relates to the fuel cell technology field, particularly the hydrogen gas side water discharge technology of fuel cell.
Background technology:
In the fuel cell power generation running, reaction produces aqueous water, in the prior art, the aqueous water of fuel cell module inside, normally the aqueous water of fuel cell pack inside is discharged by pulse exhaust or hydrogen recycle, and compile at system's low spot, by the discharge pipe line system aqueous water is discharged fuel cell module then.The deficiencies in the prior art are: because the hydrogen molecule amount is lower, the aqueous water of fuel cell module inside is difficult for being discharged, usually accumulate in single pond runner or common-use tunnel etc. and locate, the gaseous state that influences hydrogen gas side distributes, and is very big to fuel cell overall performance and consistency influence; And the system configuration complexity, and existence is together discharged the possible of fuel cell module with hydrogen and aqueous water in discharge pipe line, has potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of discharge method of fuel cell module hydrogen gas side aqueous water and the device of this method of use.
Technical scheme of the present invention is: a kind of discharge method of fuel cell module hydrogen gas side aqueous water, it is characterized in that described method is after the aqueous water that the fuel cell hydrogen side is discharged is compiled and heat vaporization, with gaseous form discharge fuel cell pack or be back to fuel cell pack.
The discharge method of a kind of fuel cell module hydrogen gas side aqueous water of the present invention, the method that it is characterized in that described heating vaporization are the aqueous waters of discharging with PTC thermistor heating and gasifying fuel cell hydrogen side.
Use the used device of discharge method of a kind of fuel cell module hydrogen gas side aqueous water of the present invention, comprise fuel cell pack and fuel cell pack hydrogen gas side hydrogen passing away, be connected with hydrogen gas exhaust valve on the fuel cell pack hydrogen gas side hydrogen passing away, it is characterized in that described device also comprises the hydrogen gas side water knockout drum, incubation chamber and PTC thermistor, described hydrogen gas side water knockout drum is serially connected in the minimum point on the hydrogen discharge pipe road of fuel cell pack, the hydrogen gas side water knockout drum places in the incubation chamber, the intake interface of hydrogen gas side water knockout drum is connected with the hydrogen outlet of fuel cell pack, the exhaust port of hydrogen gas side water knockout drum be connected with hydrogen gas exhaust valve, described PTC thermistor places the catchment outside of part of hydrogen gas side water knockout drum in the incubation chamber, and the PTC thermistor is connected with the load line of fuel cell.
Basic principle of the present invention is to utilize the constant characteristic of PTC thermistor heating temp to heat the aqueous water that hydrogen gas side is discharged.When PTC thermistor energising back heating reaches design temperature, resistance will sharply increase, and heating power will sharply descend, and almost stop heating; When its temperature is lower than design temperature, resistance will sharply descend again, begin to continue heating and keep this temperature.So the heating temp of PTC thermistor is certain.Do not need to add again temperature control system.
The invention has the beneficial effects as follows: the aqueous water that galvanic pile module of fuel cell can be discharged is concentrated and is vaporized, and has solved the difficulty of hydrogen gas side draining, advantage such as have that realization is simple, safe and reliable, cost is low and system configuration is simple.
Description of drawings
The present invention has accompanying drawing two width of cloth, wherein
Fig. 1 is a fuel cell module hydrogen gas side aqueous water exhaust system theory diagram,
Fig. 2 is the structural representation of hydrogen gas side water knockout drum and incubation chamber assembly.
In the accompanying drawing, 101～102, fuel cell pack, 201, hydrogen gas side water knockout drum and incubation chamber assembly, 202, the PTC thermistor, 300, hydrogen vent valve, 400, control unit, 2010, the hydrogen gas side water knockout drum, 2011, baffle plate, 2012, divide the water box, 2013, incubation chamber, 2014, the hydrogen intake interface, 2015, the hydrogen exhaust port.
Embodiment
With the 30kw fuel cell module is example, and the invention will be further described in conjunction with the accompanying drawings.
Fuel cell system is by the hydrogen feed system, air supply system and cooling system are formed, battery pile is the pile of two 150 joint monocell compositions, minimum point on the hydrogen discharge pipe road of fuel cell hydrogen feed system is serially connected with hydrogen gas side water knockout drum 2010, incubation chamber 2013 and PTC thermistor 202, hydrogen gas side water knockout drum 2010 places in the incubation chamber 2013, the hydrogen intake interface 2014 of hydrogen gas side water knockout drum 2010 and hydrogen exhaust port 2015 are communicated with the hydrogen outlet of fuel cell and the hydrogen gas exhaust valve 300 of fuel cell respectively, PTC thermistor 202 places the catchment outside of part of hydrogen gas side water knockout drums in the incubation chamber 2013, and PTC thermistor 202 is connected with the load line of fuel cell.The operating voltage of PTC thermistor 202: 12-380V, insulation voltage: 〉=3700V, heating-up temperature: 100-250 ℃, rated power: 200W, power density: (area of heating power/water contact) is approximately 6W/cm
2(water temperature 25 ℃ time), overall dimension is manufactured according to actual.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010563874XA CN102024969A (en) | 2010-11-29 | 2010-11-29 | A method and device for discharging liquid water on the hydrogen side of a fuel cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010563874XA CN102024969A (en) | 2010-11-29 | 2010-11-29 | A method and device for discharging liquid water on the hydrogen side of a fuel cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102024969A true CN102024969A (en) | 2011-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010563874XA Pending CN102024969A (en) | 2010-11-29 | 2010-11-29 | A method and device for discharging liquid water on the hydrogen side of a fuel cell module |
Country Status (1)
| Country | Link |
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| CN (1) | CN102024969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110285A (en) * | 2016-11-22 | 2018-06-01 | 中国科学院大连化学物理研究所 | One kind is used for alkaline anion-exchange membrane fuel cell water management method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764000A (en) * | 2004-10-20 | 2006-04-26 | 台达电子工业股份有限公司 | Fuel cell system and its drainage device |
| CN101053103A (en) * | 2005-02-09 | 2007-10-10 | 丰田自动车株式会社 | Fuel cell system |
| CN202004098U (en) * | 2010-11-29 | 2011-10-05 | 新源动力股份有限公司 | A fuel cell module hydrogen side liquid water discharge device |
-
2010
- 2010-11-29 CN CN201010563874XA patent/CN102024969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764000A (en) * | 2004-10-20 | 2006-04-26 | 台达电子工业股份有限公司 | Fuel cell system and its drainage device |
| CN101053103A (en) * | 2005-02-09 | 2007-10-10 | 丰田自动车株式会社 | Fuel cell system |
| CN202004098U (en) * | 2010-11-29 | 2011-10-05 | 新源动力股份有限公司 | A fuel cell module hydrogen side liquid water discharge device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110285A (en) * | 2016-11-22 | 2018-06-01 | 中国科学院大连化学物理研究所 | One kind is used for alkaline anion-exchange membrane fuel cell water management method |
| CN108110285B (en) * | 2016-11-22 | 2020-09-29 | 中国科学院大连化学物理研究所 | Method for water management of alkaline anion exchange membrane fuel cell |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110420 |