CN202019023U - Humid enthalpy converting device of fuel cell - Google Patents
Humid enthalpy converting device of fuel cell Download PDFInfo
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- CN202019023U CN202019023U CN2011200904243U CN201120090424U CN202019023U CN 202019023 U CN202019023 U CN 202019023U CN 2011200904243 U CN2011200904243 U CN 2011200904243U CN 201120090424 U CN201120090424 U CN 201120090424U CN 202019023 U CN202019023 U CN 202019023U
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- water
- humid enthalpy
- hollow shaft
- fuel cell
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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 utility model discloses a humid enthalpy converting device of a fuel cell, which comprises a humid enthalpy converting barrel, an upper end plate, a lower end plate and a water distributor. A porous ceramic is mounted in a holding cavity of the humid enthalpy converting barrel; a central shaft of the humid enthalpy converting barrel is a hollow shaft; the upper end of the hollow shaft is closed and connected with a motor; a cotton felt layer packages the external surfaces of the porous ceramic in the holding cavity of the humid enthalpy converting barrel except two end surfaces; a water filling culvert is arranged on the external surface of a central hole of the lower end plate; the water filling culvert is connected with a waterspout of the water distributor; liquid water distributed from the water distributor passes through the water filling culvert and then enters the cavity of the humid enthalpy converting barrel through a radial hole on the hollow shaft; and by adopting the characteristics that cotton felt hairs have large adsorptive power and water absorbing capacity, the porous ceramic in the cavity is further wetted to play the roles in enhancing and stabilizing humidifying capacity. The humid enthalpy converting device of the fuel cell has the beneficial effects that the humidifying capacity is enhanced and stabilized; the humidifying requirements are met when the fuel cell has low power and high power; the service life and the generating efficiency of a proton exchange membrane fuel cell are ensured; and simultaneously, the water in the water distributor is utilized.
Description
Technical field
The utility model belongs to the Proton Exchange Membrane Fuel Cells field, relates in particular to the humid enthalpy conversion equipment of Proton Exchange Membrane Fuel Cells.
Background technology
Pem cell needs hydrone and preserves moisture in the process of operation.In the prior art, after Proton Exchange Membrane Fuel Cells utilizes electrochemical reaction of fuel battery mostly, the water, vapour and the used heat that generate carry out humidification to air, common way is the air (tail gas with fuel cell tail row, contain water, vapour and used heat) send in the humid enthalpy conversion equipment, by the humid enthalpy conversion, give the fresh air humidification of the drying that enters humidifying device.Existing air humidification device is to rotate with driven by motor humid enthalpy changeover bobbin mostly, in the humid enthalpy changeover bobbin porous ceramic is housed, and realizes falling aqueous water through the water knockout drum branch then to making the fresh air humidification that constantly enters with porous ceramic, enters fuel cell at last.If be regardless of aqueous water, aqueous water is too much enters fuel cell, and air duct tiny in the battery is stopped up, and this batteries performance can sharply descend.The deficiencies in the prior art are: humidification deficiency when Proton Exchange Membrane Fuel Cells low-power and high power, main cause are the requirements that the porous ceramic water absorbing capacity in the humid enthalpy changeover bobbin does not satisfy humidification, and simultaneously, the water knockout drum branch falls aqueous water and well do not utilized.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide the air humid enthalpy conversion equipment of the effective Proton Exchange Membrane Fuel Cells of a kind of humidification.
The purpose of this utility model is achieved through the following technical solutions: a kind of fuel cell humid enthalpy conversion equipment, comprise the humid enthalpy changeover bobbin, be arranged on the upper head plate at humid enthalpy changeover bobbin two ends, bottom plate and be connected humid enthalpy conversion equipment air outlet slit and fuel battery air inlet between water knockout drum on the pipeline, in the humid enthalpy changeover bobbin cavity volume porous ceramic is housed, the central shaft of humid enthalpy changeover bobbin is a hollow shaft, hollow shaft is fixedlyed connected with the humid enthalpy changeover bobbin, the hollow shaft upper end closed also is connected with motor on being located at upper head plate, be provided with the backbone sealing ring sealing between hollow shaft and upper head plate and the bottom plate, be slipper seal between hollow shaft and upper head plate and the bottom plate, upper head plate is provided with centre bore, air intake and the outlet of air tail gas, bottom plate is provided with centre bore, air outlet slit and air gas inlet, it is characterized in that porous ceramic other outer surfaces except that both ends of the surface in the described humid enthalpy changeover bobbin cavity volume are enclosed with the cotton felt of one deck, centre bore outer surface at described upper head plate is provided with the water letter, the water letter is a closed cavity, peak has the gap that communicates with atmosphere on the water letter, the centre bore outer surface of described bottom plate is provided with the water filling letter, the water filling letter is a closed cavity, have the water filling port that is connected with the water knockout drum discharge outlet on the water filling letter, described hollow shaft lower ending opening also passes the water letter, upper head plate, the centre bore of humid enthalpy changeover bobbin and bottom plate stretches in the water filling letter of bottom plate centre bore outer surface, passing of hollow shaft has cavity volume radial hole and water letter radial hole on humid enthalpy changeover bobbin cavity volume shaft part and the water letter shaft part, cavity volume radial hole and water letter radial hole are communicated with humid enthalpy changeover bobbin cavity volume and water letter hollow shaft is hollow respectively, be provided with the sealing of " O " type circle between hollow shaft and the water letter, be slipper seal between water letter and the hollow shaft.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that being divided into uniform cavity volume more than 2 with dividing plate at the cavity volume of described humid enthalpy changeover bobbin.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that the aperture of passing the cavity volume radial hole on the humid enthalpy changeover bobbin cavity volume shaft part at described hollow shaft is 2mm～3mm, and the cavity volume radial hole is formed 2≤N≤100 by N.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that evenly distributing along the hollow shaft circumference at the cavity volume radial hole that passes on the humid enthalpy changeover bobbin cavity volume shaft part of described hollow shaft.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that the water letter radial hole that passes on the water letter section at described hollow shaft is the hole of running through hollow shaft more than one, and the aperture is 2mm～3mm.
Described a kind of fuel cell humid enthalpy conversion equipment, it is characterized in that water filling port on the described water filling letter be connected that the water knockout drum discharge outlet on the pipeline is connected between humid enthalpy conversion equipment air outlet slit and the fuel battery air inlet.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that at described water knockout drum be the automatic draining water knockout drum of float-type.
Described a kind of fuel cell humid enthalpy conversion equipment is characterized in that difference in height between described fuel cell humid enthalpy conversion equipment air outlet slit and fuel battery air inlet and the water knockout drum connector place is between ± 50mm.
Principle of the present utility model is: porous ceramic in the humid enthalpy changeover bobbin and cotton felt except with the reacted air tail gas of fuel cell power generation with steam carry out wetting, also the aqueous water of telling with water knockout drum through the water filling letter by the radial hole on the hollow shaft, enter in the chamber of humid enthalpy changeover bobbin, utilize the big and strong characteristics of water absorbing capacity of cotton felt hair suction, porous ceramic in the further wetting chamber, the effect of playing reinforcement, stablizing humidifying capacity.Simultaneously, when aqueous water is too much,, automatically water is discharged through being located at the gap of upper head plate water letter peak.
Compared with prior art, the beneficial effects of the utility model are:
1, the water absorbing capacity of cotton felt generally is 30～40 times of porous ceramic, the porous ceramic outer surface has wrapped up cotton felt, strengthen and stablized humid enthalpy conversion equipment humidifying capacity, solve the problem of Proton Exchange Membrane Fuel Cells humidification deficiency under low-power and high power state, guaranteed Proton Exchange Membrane Fuel Cells useful life and generating efficiency.
2, the water that water knockout drum is told obtains utilizing.
3, enhancing and stable humidifying capacity need not to control draining.
Description of drawings
The utility model drawings attached 5 width of cloth, wherein:
Fig. 1 is humid enthalpy conversion equipment of the present utility model and fuel cell interconnect structures schematic diagram,
Fig. 2 is a humid enthalpy conversion equipment example structure schematic diagram of the present utility model,
Fig. 3 is a humid enthalpy conversion equipment humid enthalpy changeover bobbin example structure schematic diagram of the present utility model,
Fig. 4 is the water letter partial structurtes schematic diagram of Fig. 2,
Fig. 5 possesses structural representation for humid enthalpy changeover bobbin cavity volume and the hollow shaft of Fig. 2,
In the accompanying drawing, 1, fuel cell, 2, water knockout drum, 3, the humid enthalpy conversion equipment, 4, blower fan 5, air outlet slit, 6, the water filling letter, 7, bottom plate, 8, backbone sealing ring, 9, hollow shaft, 10, the humid enthalpy changeover bobbin, 11, porous ceramic, 12, cotton felt, 13, upper head plate, 14, gap, 15, air intake, 16, electrode, 17, air gas inlet, 18, the water letter, 19, " O " type circle, 20, the cavity volume radial hole, 21, air gas inlet, 22, water filling port, 23, water letter radial hole.
Embodiment
The utility model is described in further detail below in conjunction with the embodiment of accompanying drawing.Embodiment is the humid enthalpy changeover bobbin that humid enthalpy changeover bobbin 10 is divided into uniform six cavity volumes by six dividing plates.Be provided with water knockout drum 2 on the pipeline between the air outlet slit 5 of humid enthalpy conversion equipment 3 and fuel cell 1 air intake, water knockout drum 2 is the automatic draining water knockout drums of float-type, six cavity volumes of humid enthalpy changeover bobbin are equipped with porous ceramic 11, be enclosed with the cotton felt 12 of one deck on the inside and outside circle cambered surface of the porous ceramic of six cavity volumes and the side, the hollow shaft 9 of humid enthalpy changeover bobbin 10 is to fixedly connected with humid enthalpy changeover bobbin 10, hollow shaft 9 upper end closeds also are connected with motor 16 on being located at upper head plate 13, hollow shaft 9 and water letter 18, be provided with " O " type circle 19 sealing and backbone sealing rings 8 between upper head plate 13 and the bottom plate 7, be slipper seal between hollow shaft 9 and upper head plate 13 and the bottom plate 7, the porous ceramic of six cavity volumes of hollow shaft 9 and humid enthalpy changeover bobbin contact have on the shaft part 36 apertures be 3mm with the hollow shaft 9 hollow cavity volume radial holes 20 that are communicated with, 36 cavity volume radial holes divide six row to be evenly distributed in and six relative positions of cavity volume of humid enthalpy changeover bobbin, the water letter radial hole 23 that hollow shaft 9 passes on 18 sections in the water letter is that an aperture of running through hollow shaft is the hole of 2mm, upper head plate 13 is provided with centre bore, air intake 15 and air tail gas outlet 17, water letter 18 is located at the centre bore outer surface of upper head plate 13, water letter 18 is a closed cavity, peak has gap 14 and comes round with ambient atmosphere on the water letter, when aqueous water is too much, automatically water is discharged.Bottom plate 7 is provided with centre bore, air outlet slit 5 and air gas inlet 21, the centre bore outer surface of bottom plate 7 is provided with water filling letter 6, water filling letter 6 is a closed cavity, have water filling port 22 on the water filling letter 6, be connected with the discharge outlet that is connected the water knockout drum 2 on the pipeline between humid enthalpy conversion equipment 3 air outlet slits 5 and fuel cell 1 air intake.Hollow shaft 9 lower ending openings also pass water letter 18, upper head plate 13 centre bores, humid enthalpy changeover bobbin 10 and bottom plate 7 centre bores and stretch in the water filling letter 6 of bottom plate centre bore outer surface.During installation, humid enthalpy conversion equipment 3 horizontal positioned, promptly air inlet/outlet on the end plate and air tail gas inlet/outlet are on the same horizontal line between humid enthalpy conversion equipment air outlet slit and fuel battery air inlet and the water knockout drum connector place in horizontal direction.
The enforcement running is: blower fan 4 is sent into fresh air in the humid enthalpy conversion equipment 3, after carrying out damp and hot exchange, after entering water knockout drum 2 liquid moisture being fallen, enter fuel cell 1 reaction generating, reacted air tail gas band steam and aqueous water, enter humid enthalpy conversion equipment 3, the porous ceramic 11 in the humid enthalpy changeover bobbin 10 and cotton felt 12 are carried out wetting, after tail gas outlet 17 discharge; Porous ceramic 11 after wetting and cotton felt 12, rotate humid enthalpy changeover bobbin 10 through motor 16, forward air intake 5 positions to, the fresh air that blower fan 4 is sent here carries out damp and hot exchange, simultaneously, the aqueous water that water knockout drum 2 is told,, enter in six cavity volumes of humid enthalpy changeover bobbin 10 by the cavity volume radial hole 20 on the hollow shaft 9 through water filling letter 6, utilize the big and strong characteristics of water absorbing capacity of 12 maos of suction of cotton felt, porous ceramic 11 in the further wetting chamber, the effect of playing reinforcement, stablizing humidifying capacity.Simultaneously, when aqueous water is too much,, automatically water is discharged through being located at the gap 14 of upper head plate water letter 18 peaks.
Claims (8)
1. fuel cell humid enthalpy conversion equipment, comprise humid enthalpy changeover bobbin (10), be arranged on the upper head plate (13) at humid enthalpy changeover bobbin (10) two ends, bottom plate (7) and be connected humid enthalpy conversion equipment air outlet slit (5) and fuel cell (1) air intake between water knockout drum (2) on the pipeline, in humid enthalpy changeover bobbin (10) cavity volume porous ceramic (11) is housed, the central shaft of humid enthalpy changeover bobbin is hollow shaft (9), hollow shaft (9) is fixedlyed connected with humid enthalpy changeover bobbin (10), hollow shaft (9) upper end closed also is connected with motor (16) on being located at upper head plate (13), be provided with backbone sealing ring (8) sealing between hollow shaft (9) and upper head plate (13) and the bottom plate (7), be slipper seal between hollow shaft (9) and upper head plate (13) and the bottom plate (7), (13) are provided with centre bore on the upper head plate, air intake (15) and air tail gas outlet (21), bottom plate (7) is provided with centre bore, air outlet slit (7) and air gas inlet (21), it is characterized in that porous ceramic (11) other outer surfaces except that both ends of the surface in described humid enthalpy changeover bobbin (10) cavity volume are enclosed with the cotton felt (12) of one deck, centre bore outer surface at described upper head plate (13) is provided with water letter (18), water letter (18) is a closed cavity, water letter (18) is gone up peak and is had the gap (14) that communicates with atmosphere, the centre bore outer surface of described bottom plate (7) is provided with water filling letter (6), water filling letter (6) is a closed cavity, have the water filling port (22) that is connected with water knockout drum (2) discharge outlet on the water filling letter (6), described hollow shaft (9) lower ending opening also passes water letter (18), upper head plate (13), the centre bore of humid enthalpy changeover bobbin (10) and bottom plate (7) stretches in the water filling letter (6) of bottom plate (7) centre bore outer surface, passing on humid enthalpy changeover bobbin (10) cavity volume shaft part and water letter (18) shaft part of hollow shaft (9) has cavity volume radial hole (20) and water letter radial hole (23), cavity volume radial hole (20) and water letter radial hole (23) are communicated with humid enthalpy changeover bobbin (10) cavity volume and water letter (18) hollow shaft (9) is hollow respectively, be provided with " O " type circle (19) sealing between hollow shaft (9) and the water letter (18), be slipper seal between water letter (18) and the hollow shaft (9).
2. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that being divided into uniform cavity volume more than 2 with dividing plate at the cavity volume of described humid enthalpy changeover bobbin (10).
3. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that the aperture of passing the cavity volume radial hole (20) on humid enthalpy changeover bobbin (10) the cavity volume shaft part at described hollow shaft (9) is 2mm～3mm, cavity volume radial hole (20) is formed 2≤N≤100 by N.
4. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 3, it is characterized in that evenly distributing along hollow shaft (9) circumference at the cavity volume radial hole (20) that passes on humid enthalpy changeover bobbin (10) the cavity volume shaft part of described hollow shaft (9).
5. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that the water letter radial hole (23) that passes on water letter (18) section at described hollow shaft (9) is the hole of running through hollow shaft (9) more than one, the aperture is 2mm～3mm.
6. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that going up water filling port (22) and being connected that water knockout drum (2) discharge outlet on the pipeline is connected between humid enthalpy conversion equipment air outlet slit (5) and fuel cell (1) air intake at described water filling letter (6).
7. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that at described water knockout drum (2) be the automatic draining water knockout drum of float-type.
8. according to the described a kind of fuel cell humid enthalpy conversion equipment of claim 1, it is characterized in that difference in height between described fuel cell humid enthalpy conversion equipment air outlet slit (5) and fuel cell (1) air intake and water knockout drum (2) connector is between ± 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200904243U CN202019023U (en) | 2011-03-31 | 2011-03-31 | Humid enthalpy converting device of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200904243U CN202019023U (en) | 2011-03-31 | 2011-03-31 | Humid enthalpy converting device of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202019023U true CN202019023U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200904243U Expired - Lifetime CN202019023U (en) | 2011-03-31 | 2011-03-31 | Humid enthalpy converting device of fuel cell |
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| Country | Link |
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| CN (1) | CN202019023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887618A (en) * | 2015-12-12 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of film separating structure water knockout drum for Proton Exchange Membrane Fuel Cells |
-
2011
- 2011-03-31 CN CN2011200904243U patent/CN202019023U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887618A (en) * | 2015-12-12 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of film separating structure water knockout drum for Proton Exchange Membrane Fuel Cells |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
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| CX01 | Expiry of patent term |