CN112479156A - Magnesium hydride hydrogen production system with boosting and graded regulation - Google Patents
Magnesium hydride hydrogen production system with boosting and graded regulation Download PDFInfo
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- CN112479156A CN112479156A CN202011344652.9A CN202011344652A CN112479156A CN 112479156 A CN112479156 A CN 112479156A CN 202011344652 A CN202011344652 A CN 202011344652A CN 112479156 A CN112479156 A CN 112479156A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 163
- 239000001257 hydrogen Substances 0.000 title claims abstract description 163
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 163
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 90
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910012375 magnesium hydride Inorganic materials 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000007789 gas Substances 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 52
- 230000009471 action Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/065—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents from a hydride
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
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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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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a magnesium hydride hydrogen production system with pressure rise and graded regulation, which comprises: the system comprises a hydrogen production tank filled with magnesium hydride fuel, a first pressure sensor, a water tank, a speed-regulating water pump, a condenser, a water-gas separator, a pressure boosting air pump, a flame arrester, a second pressure sensor, a hydrogen storage tank, a constant pressure valve, a hydrogen outlet electromagnetic valve and a controller; the liquid inlet of the hydrogen production tank is connected with the water tank through a speed-regulating water pump, the hydrogen production port of the hydrogen production tank is connected with the hydrogen storage tank through a boosting air pump, a condenser and a water-gas separator are sequentially connected between the hydrogen outlet port of the hydrogen production tank and the boosting air pump, the water outlet of the water-gas separator is connected with the water tank, and the gas outlet of the water-gas separator is connected with the boosting air pump; the hydrogen production tank is provided with a first pressure sensor for detecting the pressure in the tank and a mechanical safety valve for releasing the pressure, and the hydrogen storage tank is provided with a second pressure sensor for detecting the pressure in the tank. The invention has small hydrogen supply pressure fluctuation and can realize the purpose of stable hydrogen supply for a long time.
Description
Technical Field
The invention relates to an energy technology, in particular to a magnesium hydride hydrogen production system with pressure rise and graded regulation.
Background
With the development and application of hydrogen fuel cell technology, especially in the recent public request of energy law in China, hydrogen energy has been proposed as an energy source, and thus it is seen that the source of hydrogen gas is becoming more and more important. Hydrogen can be obtained by a plurality of hydrogen production technologies, and magnesium hydride hydrogen production is a common hydrogen production technology, has the characteristics of convenience in carrying, high efficiency, low cost, safety in use along with production and the like, and has wide application prospect. The low pressure and the large air supply pressure fluctuation are very critical problems in the technical process of hydrogen production by magnesium hydride, the large air supply pressure fluctuation can not only influence the unstable working performance of a hydrogen fuel cell, but also cause the continuous fluctuation and change of the pressure on a membrane electrode due to the air pressure fluctuation, thereby influencing the service life of the membrane electrode. Meanwhile, the local hydrogen production is too fast, which easily causes the pressure to rise suddenly and also causes potential safety hazard. Therefore, a magnesium hydride hydrogen production system which is safe, stable in gas supply and capable of being automatically regulated and controlled needs to be designed and developed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a magnesium hydride hydrogen production system with pressure rise and graded regulation aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pressure-boosting and graded-regulation magnesium hydride hydrogen production system comprises:
the system comprises a hydrogen production tank filled with magnesium hydride fuel, a first pressure sensor, a water tank, a speed-regulating water pump, a condenser, a water-gas separator, a boosting air pump, a one-way valve, a second pressure sensor, a hydrogen storage tank, a constant pressure valve, a hydrogen outlet electromagnetic valve and a controller;
the liquid inlet of the hydrogen production tank is connected with the water tank through a speed-regulating water pump, the hydrogen production port of the hydrogen production tank is connected with the hydrogen storage tank through a boosting air pump, a condenser and a water-gas separator are sequentially connected between the hydrogen outlet port of the hydrogen production tank and the boosting air pump, the water outlet of the water-gas separator is connected with the water tank, and the gas outlet of the water-gas separator is connected with the boosting air pump;
a hydrogen outlet of the hydrogen storage tank sequentially passes through the flame arrester, the constant pressure valve and the hydrogen outlet electromagnetic valve to provide hydrogen to the outside;
the hydrogen production tank is provided with a first pressure sensor for detecting the pressure in the tank and a mechanical safety valve for releasing the pressure, and the hydrogen storage tank is provided with a second pressure sensor for detecting the pressure in the tank;
the first pressure sensor, the second pressure sensor, the speed-regulating water pump and the hydrogen outlet electromagnetic valve are respectively connected with the controller.
According to the scheme, the speed-regulating water pump realizes speed regulation and water pumping to control the hydrogen production rate through graded regulation under the action of the controller, and the method specifically comprises the following steps:
setting a rated water pumping speed V of a speed-regulating water pump according to the demand of the hydrogen production speed0，
When the pressure value P of the air storage tank0In the normal working range, the speed of the air pump is kept unchanged, and the water pumping speed of the speed-regulating water pump is according to the pressure value P of the hydrogen production opening of the hydrogen production tank1Fine adjustment is carried out; when the pressure value P is1In the normal working range of the hydrogen production port, the water pumping speed is kept unchanged, and when the pressure value P of the hydrogen production port is reached1When the pressure exceeds the normal working range, the water pumping speed is finely adjusted to a low level, and when the pressure value P of the hydrogen production port is reached1When the water pumping speed is lower than the normal working range, the water pumping speed is finely adjusted to a high first gear, and the variation value of the water pumping speed of the high/low first gear is set as 5 percent V0；
When the pressure value P of the air storage tank0If the water pumping speed exceeds the normal working range, the water pumping speed is quickly adjusted to the lowest value, and the air pump speed is reduced; the lowest value is the water-pumping speed V050% of;
when the pressure value P of the air storage tank0If the water pumping speed is lower than the normal working range, the water pumping speed is quickly adjusted to the highest value, and the air pump speed is increased; the highest value is the water pumping speed V01.5 times of the total weight of the powder.
According to the scheme, the speed-regulating water pump has a one-way function.
According to the scheme, a one-way valve for preventing hydrogen in the gas storage tank from flowing to the boosting air pump is arranged between the boosting air pump and the hydrogen storage tank.
The invention has the following beneficial effects:
1) aiming at the conventional hydrogen production pressure fluctuation phenomenon, the pressure of the pressure boosting air pump is boosted in the hydrogen storage tank, and the set constant pressure valve air supply scheme is combined, so that the effect of small hydrogen supply pressure fluctuation can be achieved, and the purpose of stable hydrogen supply for a long time is realized.
2) The scheme of regulating and controlling the speed-regulating water pump and the boosting air pump in stages is adopted, the control on the hydrogen production rate can be judged in advance and optimized, the change of the hydrogen production rate is more moderate, and the equipment is more convenient to use.
3) By adopting the scheme of water-gas separation and recycling of recovered water, the total water consumption can be reduced, so that the volume of the water tank is reduced, and the system structure is tighter.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-a hydrogen production tank, 2-a mechanical safety valve 1, 3-a pressure sensor 1, 4-a water tank, 5-a speed-regulating water pump, 6-a condenser, 7-a water-gas separator, 8-a pressure boosting air pump, 9-a one-way valve, 10-a mechanical safety valve, 11-a pressure sensor 2, 12-a hydrogen storage tank, 13-a flame arrester, 14-a constant pressure valve, 15-a hydrogen outlet electromagnetic valve and 16-a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a pressure-increasing and graded-regulating magnesium hydride hydrogen production system comprises:
the system comprises a hydrogen production tank 1 filled with magnesium hydride fuel, a first pressure sensor 3, a water tank 4, a speed-regulating water pump 5, a condenser 6, a water-gas separator 7, a boosting air pump 8, a one-way valve 9, a second pressure sensor 11, a hydrogen storage tank 12, a constant pressure valve 14, a hydrogen outlet electromagnetic valve 15 and a controller 16;
the liquid inlet of the hydrogen production tank is connected with the water tank through a speed-regulating water pump, the hydrogen production port of the hydrogen production tank is connected with the hydrogen storage tank through a boosting air pump, a condenser and a water-gas separator are sequentially connected between the hydrogen outlet port of the hydrogen production tank and the boosting air pump, the water outlet of the water-gas separator is connected with the water tank, and the gas outlet of the water-gas separator is connected with the boosting air pump;
a hydrogen outlet of the hydrogen storage tank sequentially passes through the flame arrester, the constant pressure valve and the hydrogen outlet electromagnetic valve to provide hydrogen to the outside;
the hydrogen production tank is provided with a first pressure sensor for detecting the pressure in the tank and a mechanical safety valve 2 for releasing the pressure, and the hydrogen storage tank is provided with a second pressure sensor for detecting the pressure in the tank;
the first pressure sensor, the second pressure sensor, the speed-regulating water pump and the hydrogen outlet electromagnetic valve are respectively connected with the controller.
The system works as follows:
the technical scheme that the hydrogen production working mode of pumping water into the hydrogen production tank filled with the magnesium hydride fuel to produce hydrogen is adopted, the produced hydrogen is pumped into the hydrogen storage tank through the boosting air pump, and stable hydrogen supply is realized through the constant pressure valve, and the hydrogen production device has the functions of boosting storage, constant pressure hydrogen supply, recycling of recovered water to produce hydrogen, adjustable pumping rate, overpressure self-discharge protection and the like. The hydrogen production system has the characteristics of stable hydrogen supply pressure, safety, automatic adjustment and the like.
Under the action of the speed-regulating water pump, water is pumped from the water tank to the hydrogen production tank filled with the magnesium hydride fuel and the hydrolysis hydrogen production is started. After the high-temperature hydrogen passes through the condenser and is cooled, the water separated in the separator is recycled to the water tank through the water-gas separator, the hydrogen at the outlet of the separator is pressurized and pumped into the gas storage tank under the action of the booster pump, the hydrogen outlet electromagnetic valve is opened after the pressure in the gas storage tank reaches a certain value, and continuous and stable hydrogen supply with the hydrogen production rate automatically adjustable is realized in a set stable pressure range under the action of the constant pressure valve.
The speed regulating water pump has a one-way function, water can be pumped into the hydrogen production tank in a forward direction, and hydrogen generated in the hydrogen production tank cannot reversely flow into the speed regulating water pump. The pressure-bearing pressure range of the speed-regulating water pump is 2-6 bar. The speed of the speed regulation water pump is mainly adjusted rapidly according to the pressure value of the gas storage tank, fine adjustment fluctuation adjustment is carried out by combining the pressure value of the hydrogen production port, and the speed regulation water pumping is realized by stage adjustment under the action of the controller to control the hydrogen production speed.
The speed governing water pump realizes the speed governing through hierarchical regulation and fetching water and controls the hydrogen production rate under the effect of controller, specifically as follows:
setting a rated water pumping speed V of a speed-regulating water pump according to the demand of the hydrogen production speed0，
When the pressure value P of the air storage tank0In the normal working range, the speed of the air pump is kept unchanged, and the water pumping speed of the speed-regulating water pump is according to the pressure value P of the hydrogen production opening of the hydrogen production tank1Fine adjustment is carried out; when the pressure value P is1In the normal working range of the hydrogen production port, the water pumping speed is kept unchanged, and when the pressure value P of the hydrogen production port is reached1When the pressure exceeds the normal working range, the water pumping speed is finely adjusted to a low level, and when the pressure value P of the hydrogen production port is reached1When the water pumping speed is lower than the normal working range, the water pumping speed is finely adjusted to a high gear, and the change value of the water pumping speed of each gear is set to be 5 percent V0；
When the pressure value P of the air storage tank0If the water pumping speed exceeds the normal working range, the water pumping speed is quickly adjusted to the lowest value, and the air pump speed is reduced; the lowest value is the water-pumping speed V050% of;
when the pressure value P of the air storage tank0If the water pumping speed is lower than the normal working range, the water pumping speed is quickly adjusted to the highest value, and the air pump speed is increased; the highest value is the water pumping speed V01.5 times of;
the pressure-bearing pressure range of the air storage tank is 5-10bar, the normal working pressure range of the air storage tank is 1-4bar, the air storage tank is provided with a mechanical pressure relief valve 10, and when the pressure exceeds the set pressure, safety pressure relief protection is carried out. The normal working pressure range of the hydrogen production port is 0.3-1bar, and the pressure monitoring point of the hydrogen production port is close to the hydrogen production tank, so that the hydrogen production rate can be judged in advance, and fine adjustment intervention treatment can be carried out. When the pressure in the air storage tank exceeds the range change, the rapid intervention treatment can be carried out. The step speed regulation can play a better role in regulating and controlling the hydrogen production rate.
For exampleSetting a rated water pumping speed of the speed-regulating water pump 5 to be 5ml/min according to the requirement of the hydrogen production flow to be 6L/min, and when the pressure value P of the gas storage tank is2In the range of 1bar-4bar, the water pumping rate is kept constant at 5ml/min, and the air pump rate is kept constant at 6L/min. When the pressure value P of the air storage tank2If the water pumping speed exceeds 4bar, the water pumping speed is quickly adjusted to the minimum value of 2.5ml/min, and the air pump speed is reduced to 4.5L/min. When the pressure value P of the air storage tank2When the water pumping speed is lower than 1bar, the water pumping speed is quickly adjusted to the maximum value of 7.5ml/min, and the air pump speed is increased to 9L/min. When the pressure value P of the air storage tank2The pressure value P of the hydrogen production port is required to be combined within 1bar-4bar3And (5) carrying out fine adjustment, wherein the speed of the air pump is kept unchanged in the fine adjustment process. When the pressure value P of the hydrogen production port3The water pumping speed is kept unchanged within the normal range of 0.3bar-0.8 bar. When the pressure value P of the hydrogen production port3If the water flow rate exceeds 0.8bar, the water pumping rate is adjusted to 4.5 ml/min. When the pressure value P of the hydrogen production port1When the water removal rate is lower than 0.3bar, the water removal rate is adjusted to 5.5 ml/min.
The pressure-bearing pressure range of the air storage tank is 10bar, the normal working pressure range of the air storage tank is 1-4bar, the air storage tank is provided with a mechanical pressure relief valve, and when the pressure exceeds the set pressure by 5bar, safety pressure relief protection is carried out.
After magnesium hydride is used for producing hydrogen, high-temperature and high-humidity hydrogen flow is generated, after the hydrogen flow is cooled by a condenser, a part of water is condensed out, the water-gas separation is realized under the action of a water-gas separator, the water-gas separator is of an automatic drainage type, when a certain amount of water is accumulated, a bottom float type mechanism is automatically opened, the water is automatically discharged to a water tank, and after a certain amount of water is discharged, the bottom float type mechanism is automatically closed. The recovered water can be reused. Thereby achieving the purposes of reducing the volume of the water tank and tightening the structural design of the system.
The hydrogen pump that can be fluctuant with the low pressure after the condensation pump into the gas holder through stepping up the air pump, according to requiring with hydrogen pressure, has set for the constant pressure value of constant pressure valve, and the hydrogen in the gas holder passes through the constant pressure valve and adjusts the back, can provide the hydrogen source that the weak stability of pressure fluctuation is strong and supply hydrogen fuel cell to use.
In this embodiment, the boosting air pump is a brushless explosion-proof air pump, and the working pressure range thereof is 2bar-5 bar.
The pressure-bearing pressure range of the hydrogen production tank is 5 bar-10 bar, the tank body is cylindrical and the like, the capacity range is 1L-30L, two mechanical interfaces are arranged at the top of the hydrogen production tank, one mechanical interface is connected with a mechanical safety valve, and the other mechanical interface is a hydrogen outlet interface. The bottom of the container is provided with a liquid inlet. When the pressure in the hydrogen production tank is too high, automatic pressure relief can be carried out through the mechanical safety valve.
A one-way valve is arranged between the boosting air pump and the air storage tank. The boosting air pump can pump hydrogen into the air storage tank in the forward direction for storage, and the hydrogen in the reverse air storage tank cannot flow to the boosting air pump.
The pressure sensors adopted by the system are digital display type pressure sensors, the pressure in the hydrogen production outlet and the pressure in the gas storage tank are monitored, and the monitored pressure value signals are input to the system controller to implement automatic control. The digital display type pressure sensor can simultaneously display the pressure value in real time, and can realize manual pause of a protection program under the condition of overhigh pressure or emergency, thereby improving the safety.
The controller respectively and automatically executes and controls the working state of each device according to the set hierarchical control logic, so that the stability and the safety are higher.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (4)
1. A magnesium hydride hydrogen production system with pressure rise and graded regulation is characterized by comprising:
the system comprises a hydrogen production tank filled with magnesium hydride fuel, a first pressure sensor, a water tank, a speed-regulating water pump, a condenser, a water-gas separator, a pressure boosting air pump, a flame arrester, a second pressure sensor, a hydrogen storage tank, a constant pressure valve, a hydrogen outlet electromagnetic valve and a controller;
the liquid inlet of the hydrogen production tank is connected with the water tank through a speed-regulating water pump, the hydrogen production port of the hydrogen production tank is connected with the hydrogen storage tank through a boosting air pump, a condenser and a water-gas separator are sequentially connected between the hydrogen outlet port of the hydrogen production tank and the boosting air pump, the water outlet of the water-gas separator is connected with the water tank, and the gas outlet of the water-gas separator is connected with the boosting air pump;
a hydrogen outlet of the hydrogen storage tank sequentially passes through the flame arrester, the constant pressure valve and the hydrogen outlet electromagnetic valve to provide hydrogen to the outside;
the hydrogen production tank is provided with a first pressure sensor for detecting the pressure in the tank and a mechanical safety valve for releasing the pressure, and the hydrogen storage tank is provided with a second pressure sensor for detecting the pressure in the tank;
the first pressure sensor, the second pressure sensor, the speed-regulating water pump and the hydrogen outlet electromagnetic valve are respectively connected with the controller.
2. The pressure-boosting and graded-regulation magnesium hydride hydrogen production system according to claim 1, wherein the speed-regulating water pump realizes speed regulation and water pumping to control the hydrogen production rate by graded regulation under the action of the controller, and the system is as follows:
setting a rated water pumping speed V of a speed-regulating water pump according to the demand of the hydrogen production speed0，
When the pressure value P of the air storage tank0In the normal working range, the speed of the air pump is kept unchanged, and the water pumping speed of the speed-regulating water pump is according to the pressure value P of the hydrogen production opening of the hydrogen production tank1Adjusting; when the pressure value P is1In the normal working range of the hydrogen production port, the water pumping speed is kept unchanged, and when the pressure value P of the hydrogen production port is reached1When the pressure exceeds the normal working range, the water pumping speed is adjusted to a low level, and when the pressure value P of the hydrogen production port is reached1When the water pumping speed is lower than the normal working range, the water pumping speed is adjusted to a high first gear, and the variation value of the high/low first gear water pumping speed is set as 5 percent V0；
When the pressure value P of the air storage tank0If the water pumping speed exceeds the normal working range, the water pumping speed is quickly adjusted to the lowest value, and the air pump speed is reduced; the lowest value is the water-pumping speed V050% of;
when the pressure value P of the air storage tank0If the water pumping speed is lower than the normal working range, the water pumping speed is quickly adjusted to the highest value, and the air pump speed is increased; the highest value is the water pumping speed V01.5 times of;
3. the system for producing hydrogen from magnesium hydride according to claim 1, wherein the speed-adjustable water pump is a speed-adjustable water pump with a one-way function.
4. The system for producing hydrogen from magnesium hydride according to claim 1, wherein a check valve is disposed between the boosting air pump and the hydrogen storage tank for preventing the hydrogen gas in the gas storage tank from flowing to the boosting air pump.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299370A (en) * | 2020-11-26 | 2021-02-02 | 武汉环达电子科技有限公司 | High-safety sodium borohydride hydrogen production device and method |
| CN114634157A (en) * | 2022-03-28 | 2022-06-17 | 西安交通大学 | System for controlling hydrolysis hydrogen production speed and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593640A (en) * | 1995-06-07 | 1997-01-14 | Ball Corporation | Portable hydrogen generator |
| CN102167285A (en) * | 2011-03-02 | 2011-08-31 | 上海师范大学 | Portable, safe and controllable hydrolysis hydrogen-producing device |
| WO2013190966A1 (en) * | 2012-06-19 | 2013-12-27 | バイオコーク技研株式会社 | Hydrogen generating device |
| CN103579652A (en) * | 2013-06-25 | 2014-02-12 | 哈尔滨工业大学（威海） | Fuel-cell power generation system for supplying hydrogen by hydrolyzing magnesium hydride |
| CN110498393A (en) * | 2019-09-27 | 2019-11-26 | 郑州佛光发电设备有限公司 | Hydrogen generation device and method based on pressure control and fuel cell system |
| CN111196595A (en) * | 2020-01-16 | 2020-05-26 | 西安迈进能源科技有限公司 | Hydrogen device is produced in hydrolysis |
| CN211700446U (en) * | 2019-08-23 | 2020-10-16 | 东莞市宏湖智能装备有限公司 | Hydrogen production system |
-
2020
- 2020-11-26 CN CN202011344652.9A patent/CN112479156A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593640A (en) * | 1995-06-07 | 1997-01-14 | Ball Corporation | Portable hydrogen generator |
| CN102167285A (en) * | 2011-03-02 | 2011-08-31 | 上海师范大学 | Portable, safe and controllable hydrolysis hydrogen-producing device |
| WO2013190966A1 (en) * | 2012-06-19 | 2013-12-27 | バイオコーク技研株式会社 | Hydrogen generating device |
| US20150125348A1 (en) * | 2012-06-19 | 2015-05-07 | Bio Coke Lab.Co., Ltd. | Hydrogen Generation Apparatus |
| CN103579652A (en) * | 2013-06-25 | 2014-02-12 | 哈尔滨工业大学（威海） | Fuel-cell power generation system for supplying hydrogen by hydrolyzing magnesium hydride |
| CN211700446U (en) * | 2019-08-23 | 2020-10-16 | 东莞市宏湖智能装备有限公司 | Hydrogen production system |
| CN110498393A (en) * | 2019-09-27 | 2019-11-26 | 郑州佛光发电设备有限公司 | Hydrogen generation device and method based on pressure control and fuel cell system |
| CN111196595A (en) * | 2020-01-16 | 2020-05-26 | 西安迈进能源科技有限公司 | Hydrogen device is produced in hydrolysis |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299370A (en) * | 2020-11-26 | 2021-02-02 | 武汉环达电子科技有限公司 | High-safety sodium borohydride hydrogen production device and method |
| CN114634157A (en) * | 2022-03-28 | 2022-06-17 | 西安交通大学 | System for controlling hydrolysis hydrogen production speed and control method thereof |
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Application publication date: 20210312 |