CN105239087A - Casing tube type water electrolysis oxygen production device - Google Patents
Casing tube type water electrolysis oxygen production device Download PDFInfo
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- CN105239087A CN105239087A CN201510672498.0A CN201510672498A CN105239087A CN 105239087 A CN105239087 A CN 105239087A CN 201510672498 A CN201510672498 A CN 201510672498A CN 105239087 A CN105239087 A CN 105239087A
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- China
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- solid oxide
- reaction device
- end plate
- negative electrode
- anode
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
A casing tube type water electrolysis oxygen production device comprises an oxygen production reactor. According to the oxygen production reactor, a three-layer casing tube is composed of a tube-type solid oxide electrolytic tank, a tube-type solid oxide fuel cell and an insulation sealing tube from inside to outside. A front sealing end board and a rear sealing end board are installed at the two ends of the three-layer casing tube and fixedly connected through screws and nuts. In the use process, 1.2 V to 2.0 V voltage is input between the positive electrode and the negative electrode of the tube-type solid oxide electrolytic tank, a positive electrode reaction is generated on the positive electrode side to consume H2O and produce H2, and a negative electrode reaction is generated on the negative electrode side to produce O2; meanwhile, 0.6 V to 0.9 V voltage is output through the two sides of the tube-type solid oxide fuel cell, an anode reaction is generated on the anode side to consume H2 and produce H2O, a cathode reaction is generated on the cathode side to consume O2 in the air, and generated electric energy is input to the tube-type solid oxide electrolytic tank; and by the adoption of the casing tube oxygen production reactor, the complexity of a system is lowered.
Description
Technical field
The invention belongs to technical field of oxygen generation, particularly relate to a kind of telescoping brine electrolysis oxygenerator.
Background technology
The method of high purity oxygen mainly contains three kinds: (1) Deep Cooling Method; (2) pressure swing adsorption process; (3) brine electrolysis oxygen generation method.Wherein brine electrolysis method for producing oxygen through stability is higher, and consume energy lower, the capacity scope of application is wider.Many employing proton exchange membrane ionogen in current electrolysis water oxygen, this kind of ionogen working temperature low (<100 DEG C), portability is better, but system efficiency and life-span are all lower.Adopt the brine electrolysis method for producing oxygen through of solid oxide electrolyte, work at 600 DEG C-1000 DEG C, without the need to noble metal catalyst, can reduce costs, the efficiency of raising system and life-span, and system bulk is little, oxygen scale is easy to amplify, and can obtain the high purity oxygen of high purity 99.995%.But, due to the work of solid oxide electrolyte brine electrolysis oxygen generation system at high temperature, system is comparatively complicated, and the complexity of further reduction system becomes current research emphasis.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of telescoping brine electrolysis oxygenerator, can system complexity be reduced, the volume of further reduction system.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of telescoping brine electrolysis oxygenerator, comprises oxygen making reaction device 3, the O of oxygen making reaction device 3
2entrance is by First Heat Exchanger 1 and O
2input channel connects, and the gas inlet of oxygen making reaction device 3 is connected with air line by the second interchanger 2, the H of oxygen making reaction device 3
2/ H
2o entrance is by pressure retaining valve 11 and H
2/ H
2o input channel connects, the O of oxygen making reaction device 3
2outlet is by First Heat Exchanger 1 and O
2output channel connects, the O of oxygen making reaction device 3
2/ N
2outlet is by the second interchanger 2 and O
2/ N
2output channel connects,
Described oxygen making reaction device 3 comprises thermal-insulating sealing pipe 4, tubular solid oxide fuel cell 5, pipe type solid oxide electrolyzer 6, pipe type solid oxide electrolyzer 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 form three layers of sleeve pipe according to order from inside to outside, front Seal end plate 7 and rear Seal end plate 8 are installed in the two ends of three layers of sleeve pipe, adopt screw rod 9 to be fixedly connected with rear Seal end plate 8 by front Seal end plate 7 with nut 10; In use, between the positive and negative electrode of pipe type solid oxide electrolyzer 6, input the voltage of 1.2V-2.0V, consume H in the reaction of side of the positive electrode generation positive pole
2o, generation H
2, produce O2 at negative side generation negative reaction; Meanwhile, export the voltage of 0.6V-0.9V in tubular solid oxide fuel cell 5 both sides, consume H in anode side generation anodic reaction
2, produce H
2o, O in cathode side generation cathodic reaction consumed cabin air
2, the electric energy produced is by being input in pipe type solid oxide electrolyzer 6 after DC/DC transformer boost.
Described pipe type solid oxide electrolyzer 6 is made up of positive pole, negative pole and the first solid oxide electrolyte, inner side is negative pole, and outside is positive pole, is the first solid oxide electrolyte in the middle of positive and negative electrode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; First solid oxide electrolyte is the zirconium white (YttriaStabilizedZirconia of stabilized with yttrium oxide, YSZ) zirconium white (ScandiaStabilizedZirconia that, scandium is stable, ScSZ), the cerium oxide (Gadolinia-DopedCeria, GDC) of gadolinium sesquioxide doping; Positive pole adopts Ni catalyst based, and is sintered together with the first solid oxide electrolyte; Negative pole adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the first solid oxide electrolyte.
Described tubular solid oxide fuel cell 5 comprises anode, negative electrode and the second solid oxide electrolyte, inner side is anode, and outside is negative electrode, is the second solid oxide electrolyte in the middle of cathode and anode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; Anode adopts Ni catalyst based, and is sintered together with the second solid oxide electrolyte; Negative electrode adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the second solid oxide electrolyte.
Described thermal-insulating sealing pipe 4 is made up of interior sealed tube, thermal insulation layer and outer sealed tube, and inside and outside sealed tube all adopts Al
2o
3pipe, central filler lagging material forms thermal insulation layer.
Described front Seal end plate 7 adopts stupalith to make, and has O
2inlet mouth, air inlet, H
2/ H
2o gas mixture injecting hole, screw hole, at the H of front Seal end plate 7 side
2/ H
2o gas mixture injecting hole is equipped with pressure retaining valve, has the groove for fixed tube formula electrolytic tank of solid oxide 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 at opposite side.
Described rear Seal end plate 8 adopts stupalith to make, and has O
2air outlet, O
2/ N
2air outlet, screw rod 9 hole and anode and cathode conduction and positive and negative electrode wire, there is pickup groove the side be connected with pipe type solid oxide electrolyzer 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 at rear Seal end plate 8.
Described oxygen making reaction device 3 has two air inlets.
The present invention, compared with existing technology, adopts tubular solid oxide fuel cell 5 and pipe type solid oxide electrolyzer 6 to form telescoping oxygen making reaction device, reduces system complexity, have wide practical use at Portable oxygen-preparing and portable oxygen field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is pipe type solid oxide electrolyser construction schematic diagram of the present invention.
Fig. 4 is tubular solid oxide fuel cell structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to Fig. 1, a kind of telescoping brine electrolysis oxygenerator, comprises oxygen making reaction device 3, the O of oxygen making reaction device 3
2entrance is by First Heat Exchanger 1 and O
2input channel connects, and the gas inlet of oxygen making reaction device 3 is connected with air line by the second interchanger 2, the H of oxygen making reaction device 3
2/ H
2o entrance is by pressure retaining valve 11 and H
2/ H
2o input channel connects, the O of oxygen making reaction device 3
2outlet is by First Heat Exchanger 1 and O
2output channel connects, the O of oxygen making reaction device 3
2/ N
2outlet is by the second interchanger 2 and O
2/ N
2output channel connects, and First Heat Exchanger 1 is used for the import and export O to oxygen making reaction device 3
2carry out heat exchange, reclaim outlet O
2heat; Second interchanger 2 is used for the inlet air of oxygen making reaction device 3 and outlet O
2/ N
2gas mixture carries out heat exchange, reclaims outlet O
2/ N
2the heat of gas mixture.
With reference to Fig. 2, described oxygen making reaction device 3 comprises thermal-insulating sealing pipe 4, tubular solid oxide fuel cell 5, pipe type solid oxide electrolyzer 6, pipe type solid oxide electrolyzer 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 form three layers of sleeve pipe according to order from inside to outside, front Seal end plate 7 and rear Seal end plate 8 are installed in the two ends of three layers of sleeve pipe, adopt screw rod 9 to be fixedly connected with rear Seal end plate 8 by front Seal end plate 7 with nut 10; In use, between the positive and negative electrode of pipe type solid oxide electrolyzer 6, input the voltage of 1.2V-2.0V, consume H in the reaction of side of the positive electrode generation positive pole
2o, generation H
2, produce O2 at negative side generation negative reaction; Simultaneously, export the voltage of 0.6V-0.9V in tubular solid oxide fuel cell 5 both sides, consume H in anode side generation anodic reaction
2, produce H
2o, O in cathode side generation cathodic reaction consumed cabin air
2, the electric energy produced is by being input in pipe type solid oxide electrolyzer 6 after DC/DC transformer boost.
With reference to Fig. 3, described pipe type solid oxide electrolyzer 6 is made up of positive pole, negative pole and the first solid oxide electrolyte, inner side is negative pole, outside is positive pole, the first solid oxide electrolyte in the middle of positive and negative electrode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; First solid oxide electrolyte is the zirconium white (YttriaStabilizedZirconia of stabilized with yttrium oxide, YSZ) zirconium white (ScandiaStabilizedZirconia that, scandium is stable, ScSZ), the cerium oxide (Gadolinia-DopedCeria, GDC) of gadolinium sesquioxide doping; Positive pole adopts Ni catalyst based, and is sintered together with the first solid oxide electrolyte, and positive pole reaction is H
2o+2e
-→ H
2+ O
2-, wherein O
2-be transported to negative pole by solid oxide electrolyte, electronics is transported to positive pole by external circuit from negative pole; Negative pole adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the first solid oxide electrolyte, and negative reaction is O
2-→ O
2+ 2e
-, wherein O
2-be transported to negative pole by solid oxide electrolyte from positive pole, electronics is transported to positive pole by external circuit from negative pole.
With reference to Fig. 4, described tubular solid oxide fuel cell 5 comprises anode, negative electrode and the second solid oxide electrolyte, inner side is anode, outside is negative electrode, the second solid oxide electrolyte in the middle of cathode and anode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; Anode adopts Ni catalyst based, and is sintered together with the second solid oxide electrolyte; Negative electrode adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the second solid oxide electrolyte, and anodic reaction is H
2+ O
2-→ H
2o+2e
-, wherein O
2-be transported to anode by the second solid oxide electrolyte from negative electrode, electronics is transported to negative electrode by external circuit from anode; Cathodic reaction is O
2+ 2e
-→ O
2-, wherein O
2-transported by the second solid oxide electrolyte and be transported to anode from negative electrode, electronics is transported to negative electrode by external circuit from anode.
Described thermal-insulating sealing pipe 4 is made up of interior sealed tube, thermal insulation layer and outer sealed tube, and inside and outside sealed tube all adopts Al
2o
3pipe, central filler lagging material forms thermal insulation layer.
Described front Seal end plate 7 adopts stupalith to make, and has O
2inlet mouth, air inlet, H
2/ H
2o gas mixture injecting hole, screw hole, at the H of front Seal end plate 7 side
2/ H
2o gas mixture injecting hole is equipped with pressure retaining valve, has the groove for fixed tube formula electrolytic tank of solid oxide 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 at opposite side.
Described rear Seal end plate 8 adopts stupalith to make, and has O
2air outlet, O
2/ N
2air outlet, screw rod 9 hole and anode and cathode conduction and positive and negative electrode wire, there is pickup groove the side be connected with pipe type solid oxide electrolyzer 6, tubular solid oxide fuel cell 5 and thermal-insulating sealing pipe 4 at rear Seal end plate 8.
Described oxygen making reaction device 3 has two air inlets.
Principle of work of the present invention is:
By H
2/ H
2o gas mixture is injected into the H of oxygen making reaction device 3
2/ H
2o chamber, pressure reaches set(ting)value, carries out pressurize by pressure retaining valve, the high-purity O of normal temperature
2be passed in First Heat Exchanger 1, heat up after heat exchange, be then passed into the O of oxygen making reaction device 3
2in chamber.Normal temperature air is passed in the second interchanger 2, heats up after heat exchange, is then passed into the air chamber of oxygen making reaction device 3, and for ensureing the homogeneity of gas, the air chamber of oxygen making reaction device 3 has two inlet mouths.Input voltage between the positive and negative electrode of pipe type solid oxide electrolyzer 6, electrolyzer negative side produces high-purity O
2, electrolyzer side of the positive electrode consumes H
2o, generation H
2, see output voltage in the anode and cathode of tubular solid oxide fuel cell 5, galvanic anode side consumes H
2, generate H
2o, the O in the consumed cabin air of cell cathode side
2, oxygen making reaction device 3 exports high-purity O of high temperature
2, O
2be delivered in First Heat Exchanger 1 with normal temperature O
2collection and conservation after heat exchange, oxygen making reaction device 3 exports the O of high temperature
2/ N
2gas mixture, O
2/ N
2gas mixture be delivered in the second interchanger 2 with normal temperature air heat exchange after emptying.
Claims (7)
1. a telescoping brine electrolysis oxygenerator, comprises oxygen making reaction device (3), the O of oxygen making reaction device (3)
2entrance is by First Heat Exchanger (1) and O
2input channel connects, and the gas inlet of oxygen making reaction device (3) is connected with air line by the second interchanger (2), the H of oxygen making reaction device (3)
2/ H
2o entrance is by pressure retaining valve (11) and H
2/ H
2o input channel connects, the O of oxygen making reaction device (3)
2outlet is by First Heat Exchanger (1) and O
2output channel connects, the O of oxygen making reaction device (3)
2/ N
2outlet is by the second interchanger (2) and O
2/ N
2output channel connects, and it is characterized in that:
Described oxygen making reaction device (3) comprises thermal-insulating sealing pipe (4), tubular solid oxide fuel cell (5), pipe type solid oxide electrolyzer (6), pipe type solid oxide electrolyzer (6), tubular solid oxide fuel cell (5) and thermal-insulating sealing pipe (4) form three layers of sleeve pipe according to order from inside to outside, front Seal end plate (7) and rear Seal end plate (8) are installed in the two ends of three layers of sleeve pipe, screw rod (9) is adopted to be fixedly connected with rear Seal end plate (8) by front Seal end plate (7) with nut (10), in use, between the positive and negative electrode of pipe type solid oxide electrolyzer (6), input the voltage of 1.2V-2.0V, consume H in the reaction of side of the positive electrode generation positive pole
2o, generation H
2, produce O2 at negative side generation negative reaction, meanwhile, export the voltage of 0.6V-0.9V in tubular solid oxide fuel cell (5) both sides, consume H in anode side generation anodic reaction
2, produce H
2o, O in cathode side generation cathodic reaction consumed cabin air
2, the electric energy produced is by being input to after DC/DC transformer boost in pipe type solid oxide electrolyzer (6).
2. a kind of telescoping brine electrolysis oxygenerator according to claim 1, it is characterized in that: described pipe type solid oxide electrolyzer (6) is made up of positive pole, negative pole and the first solid oxide electrolyte, inner side is negative pole, outside is positive pole, the first solid oxide electrolyte in the middle of positive and negative electrode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; First solid oxide electrolyte is the zirconium white (YttriaStabilizedZirconia of stabilized with yttrium oxide, YSZ) zirconium white (ScandiaStabilizedZirconia that, scandium is stable, ScSZ), the cerium oxide (Gadolinia-DopedCeria, GDC) of gadolinium sesquioxide doping; Positive pole adopts Ni catalyst based, and is sintered together with the first solid oxide electrolyte; Negative pole adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the first solid oxide electrolyte.
3. a kind of telescoping brine electrolysis oxygenerator according to claim 1, it is characterized in that: described tubular solid oxide fuel cell (5) comprises anode, negative electrode and the second solid oxide electrolyte, inner side is anode, outside is negative electrode, the second solid oxide electrolyte in the middle of cathode and anode, operating temperature range is 600 DEG C-1000 DEG C, and working pressure range is 0.1MPa-30MPa; Anode adopts Ni catalyst based, and is sintered together with the second solid oxide electrolyte; Negative electrode adopts the lanthanum manganate (LSM) of strontium doping, and is sintered together with the second solid oxide electrolyte.
4. a kind of telescoping brine electrolysis oxygenerator according to claim 1, is characterized in that: described thermal-insulating sealing pipe (4) is made up of interior sealed tube, thermal insulation layer and outer sealed tube, and inside and outside sealed tube all adopts Al
2o
3pipe, central filler lagging material forms thermal insulation layer.
5. a kind of telescoping brine electrolysis oxygenerator according to claim 1, is characterized in that: described front Seal end plate (7) adopts stupalith to make, and has O
2inlet mouth, air inlet, H
2/ H
2o gas mixture injecting hole, screw hole, at the H of front Seal end plate (7) side
2/ H
2o gas mixture injecting hole is equipped with pressure retaining valve 11, has the groove for fixed tube formula electrolytic tank of solid oxide (6), tubular solid oxide fuel cell (5) and thermal-insulating sealing pipe (4) at opposite side.
6. a kind of telescoping brine electrolysis oxygenerator according to claim 1, is characterized in that: described rear Seal end plate (8) adopts stupalith to make, and has O
2air outlet, O
2/ N
2air outlet, screw rod (9) hole and anode and cathode conduction and positive and negative electrode wire, there is pickup groove the side be connected with pipe type solid oxide electrolyzer (6), tubular solid oxide fuel cell (5) and thermal-insulating sealing pipe (4) at rear Seal end plate (8).
7. a kind of telescoping brine electrolysis oxygenerator according to claim 1, is characterized in that: described oxygen making reaction device (3) has two air inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672498.0A CN105239087B (en) | 2015-10-16 | 2015-10-16 | A kind of bushing type electrolysis water oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672498.0A CN105239087B (en) | 2015-10-16 | 2015-10-16 | A kind of bushing type electrolysis water oxygenerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105239087A true CN105239087A (en) | 2016-01-13 |
| CN105239087B CN105239087B (en) | 2017-06-27 |
Family
ID=55036903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510672498.0A Active CN105239087B (en) | 2015-10-16 | 2015-10-16 | A kind of bushing type electrolysis water oxygenerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760873A (en) * | 2019-09-12 | 2020-02-07 | 宁波大学 | High-temperature solid oxide electrolytic cell device for coupling solar photovoltaic photo-thermal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060068248A1 (en) * | 2004-02-12 | 2006-03-30 | Technology Management, Inc. | High efficiency system for low cost conversion of fuel to vehicle hydrogen |
| CN201686488U (en) * | 2010-05-07 | 2010-12-29 | 常州机电职业技术学院 | Energy-saving oxygen generator |
| CN202193853U (en) * | 2011-08-23 | 2012-04-18 | 苟乃琛 | Tubular electrolytic cell |
-
2015
- 2015-10-16 CN CN201510672498.0A patent/CN105239087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060068248A1 (en) * | 2004-02-12 | 2006-03-30 | Technology Management, Inc. | High efficiency system for low cost conversion of fuel to vehicle hydrogen |
| CN201686488U (en) * | 2010-05-07 | 2010-12-29 | 常州机电职业技术学院 | Energy-saving oxygen generator |
| CN202193853U (en) * | 2011-08-23 | 2012-04-18 | 苟乃琛 | Tubular electrolytic cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760873A (en) * | 2019-09-12 | 2020-02-07 | 宁波大学 | High-temperature solid oxide electrolytic cell device for coupling solar photovoltaic photo-thermal |
| CN110760873B (en) * | 2019-09-12 | 2021-05-07 | 宁波大学 | High-temperature solid oxide electrolytic cell device for coupling solar photovoltaic photo-thermal |
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| Publication number | Publication date |
|---|---|
| CN105239087B (en) | 2017-06-27 |
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