CN202912687U - Powder hydrolysis hydrogen generation device - Google Patents
Powder hydrolysis hydrogen generation device Download PDFInfo
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- CN202912687U CN202912687U CN 201220400174 CN201220400174U CN202912687U CN 202912687 U CN202912687 U CN 202912687U CN 201220400174 CN201220400174 CN 201220400174 CN 201220400174 U CN201220400174 U CN 201220400174U CN 202912687 U CN202912687 U CN 202912687U
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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
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Abstract
The utility model provides a powder hydrolysis hydrogen generation device, which has the following advantages: the weight and complexity of the device are reduced, the practicality and reliability of the device are improved, the pressure, flow and stability for hydrogen supply are guaranteed, the dryness and the purity of the generated hydrogen are guaranteed, and the service life of a dry filter is greatly prolonged. The powder hydrolysis hydrogen generation device comprises a powder raw material solution tank and a reaction tank, wherein a raw material solution is contained in the powder raw material solution tank and formed by dissolving hydrogen generating powder in water. The powder hydrolysis hydrogen generation device is characterized in that the lower part of the powder raw material solution tank is connected with an upper inlet of the reaction tank through a liquid pipeline, a catalyst is contained in the reaction tank, an upper outlet of the reaction tank is communicated to an inlet of a porous media filter head of a water filtering cooling tank through an outlet pipeline, liquid water is contained in the water filtering cooling tank, the porous media filter head is immersed in the liquid water, and an upper outlet of the water filtering cooling tank is communicated to a lower inlet of the dry filer through a pipeline.
Description
Technical field
The utility model relates to the technical field of structures of the hydrogen supply device of Proton Exchange Membrane Fuel Cells, is specially a kind of powder device for preparing hydrogen through hydrolysis.
Background technology
The device of existing powder hydrolytic hydrogen production, its application publication number: CN102101645A, its Shen Qing Publication day: on 06 22nd, 2011, title: a kind of sodium borohydride hydrolysis hydrogen generation system, this patent is described below:
The present invention relates to preparing hydrogen by sodium borohydride hydrolysis, specifically relate to a kind of preparing hydrogen by sodium borohydride hydrolysis device, comprise sodium borohydride catalyzing reactor, sodium borohydride aqueous solution raw material storage tank, miniature volume pump, gas-liquid separator and hydrogen gas cleaner; The sodium borohydride aqueous solution raw material storage tank links to each other with the material inlet pipeline of catalyticreactor by miniature volume pump, the product material inlet of catalyticreactor links to each other with the material inlet of gas-liquid separator by pipeline, the pneumatic outlet of gas-liquid separator links to each other with the entrance of hydrogen gas cleaner, and the liquid exit of gas-liquid separator and the waste liquid outlet of hydrogen gas cleaner link to each other with waste collecting device by pipeline; The pneumatic outlet of hydrogen gas cleaner collects with hydrogen by pipeline or using appts links to each other.The present invention can be fuel cell highly purified hydrogen is provided.
Yet, said system has following shortcoming: one, this system need to be furnished with store battery or external source guarantee it starts first miniature volume pump, produce again hydrogen, therefore, for the system that is furnished with store battery, not only increase the weight of system, and because self-discharge phenomenon can occur store battery, after the accumulate of store battery had leaked, this hydrogen generating system just can not be worked; In addition, for the system that adopts external source, if having a power failure or in the open air, this hydrogen generating system can not be worked.Two, this system's automatically controlled miniature volume pump of employing injects catalyticreactor with sodium borohydride aqueous solution and reacts, its disadvantage is, at first, need the power consumption merit, increase system complexity, secondly, because miniature metering thrust of pump is very little, this certainly will cause the pressure of the hydrogen that reaction produces very little, usually only have several normal atmosphere at zero point zero, therefore the aerogenesis pressure of reaction can not guarantee the supply gas pressure demand (during fuel cell operation, the supply gas pressure scope of hydrogen is several normal atmosphere to 1 normal atmosphere at zero point) with hydrogen production device such as fuel cell, thereby the power generation performance of fuel cell is impacted.Three, need miniature volume pump to regulate for the hydrogen gas supply flow that changes constantly, this certainly will cause, and miniature metering pump work is unstable, the life-span reduction.Four, only filter by the hydrogen of hydrophobic air-permeable envelope to reaction, therefore, purity and the ridity of hydrogen are relatively poor after filtering, and in addition, are easy to cause that the hydrophobic air-permeable envelope stops up, thereby have greatly reduced the life-span of hydrophobic air-permeable envelope.
Summary of the invention
For the problems referred to above, the utility model provides a kind of powder device for preparing hydrogen through hydrolysis, has reduced the weight of device, and the complicacy of the device of minimizing has increased practicality and the reliability of installing, and has guaranteed pressure, flow and the stability of hydrogen supply; And guarantee to generate ridity and the purity of hydrogen, and can greatly prolong the work-ing life of device for drying and filtering.
A kind of powder device for preparing hydrogen through hydrolysis, its technical scheme is such: it comprises the powder stock NaOH solution tank NaOH, retort, in the described powder stock NaOH solution tank NaOH stock liquid is housed, described stock liquid is specially the hydrogen manufacturing powder dissolution and forms in water, it is characterized in that: the bottom of described powder stock NaOH solution tank NaOH connects the upper inlet of described retort by liquid line, in the described retort catalyzer is housed, the top outlet of described retort is communicated to the import of the porous medium filter of water filter cooling tank by export pipeline, in the described water filter cooling tank liquid water is housed, described porous medium filter is immersed in described liquid water, the top outlet of described water filter cooling tank is by the lower inlet of pipeline connection to device for drying and filtering, described device for drying and filtering under-filled has the dry filter agent, the top of described device for drying and filtering is provided with micropore filtering film, the top exit of described device for drying and filtering is communicated with reducing valve successively by outlet pipe, throttling valve, ball valve, inflator is communicated to described powder stock NaOH solution tank NaOH by loading line, is provided with the inflation check valve on the described loading line; Check valve in the middle of being provided with on the described liquid line; Liquid non-return check valve is set on the described export pipeline.
It is further characterized in that: the gap is left in the upper surface of described micropore filtering film and described dry filter agent, and the sidewall of the device for drying and filtering that described gap is corresponding is circumscribed with safety valve;
The tank wall of described powder stock NaOH solution tank NaOH is circumscribed with tensimeter.
After adopting the utility model, as long as with inflator the gas of certain pressure is squeezed into the startup that the powder stock NaOH solution tank NaOH just can guarantee device for producing hydrogen, it is simple in structure, has reduced the weight of device, the complicacy of the device of minimizing; Pressure in the material solution tank can be pressurized to a 2-3 normal atmosphere even higher with inflator, in conjunction with reducing valve and throttling valve, the supply gas pressure that can guarantee hydrogen maintains in several normal atmosphere to 1 normal atmosphere at zero point, thereby has guaranteed the operating performance of fuel cell; In addition, after the aperture of reducing valve and throttling valve is fixing, if fuel cell power generation power reduction, then the hydrogen demand amount of fuel cell reduces, so the hydrogen pressure in the retort of this device can rise, the pressure reduction between powder stock NaOH solution tank NaOH and the retort reduces, and then is transported to the just minimizing of amount of the stock liquid of retort from the powder stock NaOH solution tank NaOH, the amounts of hydrogen that reaction produces also reduces thereupon, thereby has automatically regulated the required amounts of hydrogen of fuel cell; Realize washing, dry filter agent absorption, micropore filtering film ultrafiltration by adopting water filter tank, dry filter tank, thereby the hydrogen desiccation (relative humidity is lower than 5%) that assurance generates and cleaning (purity〉99.99%), and the work-ing life that can greatly prolong device for drying and filtering; To sum up, it has reduced the weight of device, and the complicacy of the device of minimizing has increased practicality and the reliability of installing, and has guaranteed pressure, flow and the stability of hydrogen supply; And guarantee to generate ridity and the purity of hydrogen, and can greatly prolong the work-ing life of device for drying and filtering.
Description of drawings
Fig. 1 is structural representation block diagram of the present invention.
Embodiment
See Fig. 1, it comprises powder stock NaOH solution tank NaOH 3, retort 5, stock liquid 17 is housed in the powder stock NaOH solution tank NaOH 3, stock liquid 17 is specially the hydrogen manufacturing powder dissolution and forms in water, the hydrogen manufacturing powder is specially SODIUM BOROHYDRIDE POWDER, the bottom of powder stock NaOH solution tank NaOH 3 is by the upper inlet of liquid line 18 ligation tanks 5, catalyzer 20 is housed in the retort 5, the top outlet of retort 5 is communicated to the import of the porous medium filter 13 of water filter cooling tank 7 by export pipeline 21, in the water filter cooling tank 7 liquid water 19 is housed, porous medium filter 13 is immersed in liquid water 19, the top outlet of water filter cooling tank 7 is communicated to the lower inlet of device for drying and filtering 8 by pipeline 22, device for drying and filtering 8 under-filled has dry filter agent 14, the top of device for drying and filtering 8 is provided with micropore filtering film 15, the top exit of device for drying and filtering 8 is communicated with reducing valve 9 successively by outlet pipe 23, throttling valve 10, ball valve 11, inflator 1 is communicated to powder stock NaOH solution tank NaOH 3 by loading line 24, is provided with inflation check valve 2 on the loading line 24; Check valve 4 in the middle of being provided with on the liquid line 18; Liquid non-return check valve 6 is set on the export pipeline 21.The gap is left in the upper surface of micropore filtering film 15 and dry filter agent 14, and the sidewall of the device for drying and filtering 8 that the gap is corresponding is circumscribed with safety valve 16; The tank wall of powder stock NaOH solution tank NaOH 3 is circumscribed with tensimeter 12.
Its principle of work is as follows: hydrogen manufacturing powder (such as SODIUM BOROHYDRIDE POWDER etc.) is dissolved in the water to be formed stock liquid 17 and is stored in the powder stock NaOH solution tank NaOH 3; Be filled with high pressure gas by inflation check valve 2 to the top of powder stock NaOH solution tank NaOH 3 with inflator 1, wherein, inflation check valve 2 guarantees that the gas that is filled with can be oppositely to external leakage, and tensimeter 12 guarantees that the gas that is filled with reaches required pressure; High pressure gas are pressed into stock liquid 17 in the retort 5 by the liquid line 18 in the powder stock NaOH solution tank NaOH 3, middle check valve 4; Catalyzer 20(solution or solid are equipped with in the bottom of retort 5); After stock liquid 17 enters retort 5, catalyzer 20(solution or solid in retort 5 bottoms) effect under hydrolysis produce hydrogen, wherein, middle check valve 4 prevents that the hydrogen that generates from oppositely entering powder stock NaOH solution tank NaOH 3; The hydrogen that produces and the reaction impurities of wherein carrying secretly enter water filter cooling tank 7 by liquid non-return check valve 6, under the distribution of porous medium filter 13, produce a large amount of hydrogen gas bubbles, hydrogen gas bubbles fully contacts with liquid water 19, thereby the reaction impurities of carrying secretly in the flush away hydrogen is also lowered the temperature to hydrogen, wherein, the liquid water 19 in the liquid non-return check valve 6 anti-sealing filter cooling tanks 7 oppositely enters in the retort 5; Out moistening hydrogen enters the bottom of dry filter tank 8 from water filter cooling tank 7, moisture in the hydrogen and micro-reaction impurity are absorbed in the dry filter agent 14, on this basis, hydrogen further passes through the micropore filtering film 15 on dry filter tank 8 tops with wherein residual moisture and the complete filtering of trace reaction impurities, wherein, if the device abnormal makes the pressure superelevation, can be with the pressure release that exceeds by safety valve 16, thus assurance device safety; Clean hydrogen further is depressurized valve 9 decompressions, by throttling valve 10 adjust fluxes and steady pressure, outwards exports the hydrogen of required pressure and flow by ball valve 11 again.
Claims (3)
1. powder device for preparing hydrogen through hydrolysis, it comprises the powder stock NaOH solution tank NaOH, retort, in the described powder stock NaOH solution tank NaOH stock liquid is housed, it is characterized in that: the bottom of described powder stock NaOH solution tank NaOH connects the upper inlet of described retort by liquid line, in the described retort catalyzer is housed, the top outlet of described retort is communicated to the import of the porous medium filter of water filter cooling tank by export pipeline, in the described water filter cooling tank liquid water is housed, described porous medium filter is immersed in described liquid water, the top outlet of described water filter cooling tank is by the lower inlet of pipeline connection to device for drying and filtering, described device for drying and filtering under-filled has the dry filter agent, the top of described device for drying and filtering is provided with micropore filtering film, the top exit of described device for drying and filtering is communicated with reducing valve successively by outlet pipe, throttling valve, ball valve, inflator is communicated to described powder stock NaOH solution tank NaOH by loading line, is provided with the inflation check valve on the described loading line; Check valve in the middle of being provided with on the described liquid line; Liquid non-return check valve is set on the described export pipeline.
2. a kind of powder device for preparing hydrogen through hydrolysis according to claim 1, it is characterized in that: the gap is left in the upper surface of described micropore filtering film and described dry filter agent, and the sidewall of the device for drying and filtering that described gap is corresponding is circumscribed with safety valve.
3. a kind of powder device for preparing hydrogen through hydrolysis according to claim 1, it is characterized in that: the tank wall of described powder stock NaOH solution tank NaOH is circumscribed with tensimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400174 CN202912687U (en) | 2012-08-14 | 2012-08-14 | Powder hydrolysis hydrogen generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400174 CN202912687U (en) | 2012-08-14 | 2012-08-14 | Powder hydrolysis hydrogen generation device |
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| CN202912687U true CN202912687U (en) | 2013-05-01 |
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| CN 201220400174 Withdrawn - After Issue CN202912687U (en) | 2012-08-14 | 2012-08-14 | Powder hydrolysis hydrogen generation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786031A (en) * | 2012-08-14 | 2012-11-21 | 无锡国赢科技有限公司 | Device for generating hydrogen through powder hydrolysis |
| WO2019128903A1 (en) * | 2017-12-25 | 2019-07-04 | 正泰集团股份有限公司 | Automatic continuous hydrogen generation device |
| CN112624043A (en) * | 2020-12-29 | 2021-04-09 | 中国科学院上海应用物理研究所 | Self-sustaining hydrogen production device based on drainage method |
| CN112652789A (en) * | 2020-12-29 | 2021-04-13 | 中国科学院上海应用物理研究所 | Device for controlling stable hydrogen supply of fuel cell and use method thereof |
-
2012
- 2012-08-14 CN CN 201220400174 patent/CN202912687U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786031A (en) * | 2012-08-14 | 2012-11-21 | 无锡国赢科技有限公司 | Device for generating hydrogen through powder hydrolysis |
| CN102786031B (en) * | 2012-08-14 | 2014-08-20 | 无锡国赢科技有限公司 | Device for generating hydrogen through powder hydrolysis |
| WO2019128903A1 (en) * | 2017-12-25 | 2019-07-04 | 正泰集团股份有限公司 | Automatic continuous hydrogen generation device |
| CN112624043A (en) * | 2020-12-29 | 2021-04-09 | 中国科学院上海应用物理研究所 | Self-sustaining hydrogen production device based on drainage method |
| CN112652789A (en) * | 2020-12-29 | 2021-04-13 | 中国科学院上海应用物理研究所 | Device for controlling stable hydrogen supply of fuel cell and use method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20140820 |
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| RGAV | Abandon patent right to avoid regrant |