CN110055547A - A kind of hydrogen production plant by water electrolysis - Google Patents
A kind of hydrogen production plant by water electrolysis Download PDFInfo
- Publication number
- CN110055547A CN110055547A CN201910198835.5A CN201910198835A CN110055547A CN 110055547 A CN110055547 A CN 110055547A CN 201910198835 A CN201910198835 A CN 201910198835A CN 110055547 A CN110055547 A CN 110055547A
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- hydrogen
- gas
- oxygen
- liquid level
- water
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 227
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 227
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 202
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 172
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000001301 oxygen Substances 0.000 claims abstract description 102
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 102
- 239000007789 gas Substances 0.000 claims abstract description 52
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 230000003647 oxidation Effects 0.000 claims abstract description 19
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims description 38
- 210000004027 cell Anatomy 0.000 claims description 29
- 150000002431 hydrogen Chemical class 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 9
- 229920000867 polyelectrolyte Polymers 0.000 claims description 9
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003456 ion exchange resin Substances 0.000 claims description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 210000000170 cell membrane Anatomy 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004781 supercooling Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract 1
- 239000008213 purified water Substances 0.000 description 24
- 238000002360 preparation method Methods 0.000 description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 12
- 150000003384 small molecules Chemical class 0.000 description 12
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 8
- 230000006837 decompression Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000007667 floating Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052763 palladium Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000036647 reaction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- -1 small molecule hydrogen Chemical class 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a kind of hydrogen production plant by water electrolysis, the electrolytic cell in cup, which is generated, by hydrogen carries out electrolysis water reaction, the bottom end of electrolytic cell is provided with electrode socket, and electrolytic cell is electrically connected power supply device by electrode socket, and automatic power converter is provided in power supply device；The oxygen as impurity is discharged by oxygen separation device in the present invention simultaneously, and is successively connect hydrogen gas-liquid separator with gas cooler, gas pressure reducer, oxidation of hydrogen catalyst container and flow control valve by conduit.The present invention provides a kind of hydrogen production plant by water electrolysis, by the process for realizing production hydrogen under low current and low-voltage effect, can be effectively controlled the temperature of equipment and hydrogen produced, at the same the present invention to the hydrogen of generation through supercooling and catalyst oxidation processes, improve the output purity of hydrogen.
Description
Technical field
The present invention relates to hydrogen formation apparatus technical field, more particularly to a kind of hydrogen production plant by water electrolysis.
Background technique
But the manufacture of hydrogen formation apparatus at present, device temperature and gas generating amount it is uncontrollable due to, lead
There are many difficulties for the process of cause manufacture generating device, are such as influenced by electric current and voltage, what equipment generated during operation
Heat causes gas temperature to rise, and hydrogen temperature is more than 45 DEG C, causes harm to the human body, device at this stage because of temperature reason,
Using needing to shut down 1 hour after 1 hour, that is to say, that when electrolyte temperature is more than 35 DEG C, due to safety concerns, need to stop immediately
Machine.Therefore, device at this stage can not long time continuous working；And hydrogen formation apparatus at this stage generates hydrogen
Yield is uncontrollable, while the purity of the hydrogen produced is not high, causes through the production of existing molecularity hydrogen generating device
Hydrogen it is second-rate, application effect is bad.
Therefore, how a kind of continual and steady production hydrogen is provided, while improving the hydrogen generated by electrolyzing water manufacture dress of hydrogen purity
Set the problem of being those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of hydrogen production plant by water electrolysis, by real under low current and low-voltage effect
The process for now producing hydrogen, can be effectively controlled the temperature of equipment and hydrogen produced, so that the present invention realizes continually and steadily
The effect of hydrogen is produced, while the present invention, to the hydrogen of generation through supercooling and catalyst oxidation processes, mentions in production hydrogen
The high purity of hydrogen.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of hydrogen production plant by water electrolysis, including hydrogen generate cup, water circle device, hydrogen extraction element, oxygen separation dress
It sets, refine water store tank, power supply device and microprocessor；
Wherein, it includes electrolytic cell that the hydrogen, which generates cup, and the electrolytic cell top is respectively arranged with oxygen outlet and feed liquor
Mouthful, side wall is provided with hydrogen outlet, and bottom end is provided with electrode socket, and the electrolytic cell is electrically connected by the electrode socket
The power supply device, dismounting is simple and convenient, and automatic power change is provided with convenient for the replacement of consumables, and in the power supply device
Input power (AC100v -260v) is transformed to DC5v by parallel operation；
The purification water store tank is sequentially connected the oxygen separation device and the feed liquor by the water circle device
Mouthful, the oxygen content when Purified Water in the purification water store tank enters the inlet is reduced, electrolytic speed is improved；
The hydrogen extraction element includes hydrogen gas-liquid separator, gas cooler, gas pressure reducer, oxidation of hydrogen
Catalyst container, flow control valve and hydrogen pressure maintaining valve, the hydrogen gas-liquid separator is connect with the hydrogen outlet, and is led to
Cross piping connect with the water circle device, and the gas cooler is sequentially connected by hydrogen conduit, the gas subtracts
Pressure valve, the oxidation of hydrogen catalyst container and the flow control valve, and the gas cooler and the gas pressure reducer it
Between be connected with hydrogen excess pressure discharge pipe, pipe end is discharged in the hydrogen excess pressure in the hydrogen pressure maintaining valve setting；
The oxygen outlet is connect with the oxygen separation device；
The hydrogen gas-liquid separator, the oxygen separation device and the hydrogen generate in cup and are provided with liquid level
Sensor, and each liquid level sensor, the water circle device and the power supply device are electrically connected the micro process
Device.
The present invention, can be by input power by the way that the automatic power converter is arranged in the power supply device
(AC100v -260v) is transformed to DC5v, to make the present invention during preparing hydrogen, guarantees that temperature of the invention is permanent
It is fixed, maintain 35 DEG C hereinafter, the hydrogen for avoiding production is influenced by equipment and temperature increases, lead to the problem of being harmful to the human body,
To which the present invention can continually and steadily produce hydrogen, it is not necessary to lead to equipment downtime because the temperature of equipment is excessively high；
Meanwhile the present invention by automatic power converter by voltage stabilization on the basis of DC5v, pass through the gas
Process of the multiple gases pressure control valves such as pressure reducing valve, the flow control valve and the hydrogen pressure maintaining valve to production hydrogen
Pressure control is carried out, to improve the stability and duration of present invention production hydrogen, and guarantees that the hydrogen of output can be straight
It connects and is sucked by human body, health is quick；
Also, since the hydrogen gas-liquid separator, the oxygen separation device and the hydrogen in the present invention are raw
At being provided with liquid level sensor in cup, and each liquid level sensor, the water circle device and the automatic power become
Parallel operation is electrically connected the microprocessor, so that the present invention can automatically control present invention preparation by the microprocessor
The process of hydrogen further ensures the continuous stability of preparation process of the present invention.
Finally, the present invention is continuing voltage by automatic power converter to control preparation temperature in DC5v, by more
Kind gas pressure control element is to control preparation pressure and by the microprocessor and liquid level sensor automatic control
On the basis of preparation process, the present invention is also creatively produced the electrolyzer electric solution preocess by the oxygen separation device
The mixture of raw oxygen and moisture is collected and handles, prevent electrolytic process generate oxygen and moisture mixture with
The hydrogen mixing generated in electrolytic process, improves the purity of production hydrogen, meanwhile, the present invention also passes through the hydrogen gas-liquid
The hydrogen that separator generates electrolysis is separated with the mixture of moisture, and the hydrogen isolated is passed sequentially through the gas
Cooling is carried out in body cooler, decompression processing is carried out to cooling hydrogen by the gas pressure reducer, by the hydrogen
Oxidation catalyst container makes to through supercooling and decompression, treated that hydrogen is handled through supercooling, decompression treated hydrogen
Remaining trace oxygen is reacted with the palladium system catalyst in the oxidation of hydrogen catalyst container in gas, to improve the purity of hydrogen.
Preferably, the flow control valve is connected with hydrogen pressure maintaining valve by conduit, so that the present invention is in output hydrogen
When, guarantee that the pressure of output hydrogen is 0.2MPa by the flow control valve, gas output is 12L or so per hour, thus easily
In absorption of human body, and when the air pressure in the flow control valve is higher than 0.2MPa, arranged automatically by the hydrogen pressure maintaining valve
Extra hydrogen is put, the quality and pressure that hydrogen is discharged by the flow control valve are further ensured, thus by described
Flow control valve discharge hydrogen can be sucked directly by human body, and health is quick.
Preferably, the electrolytic cell includes cell body, solid polyelectrolyte membrane, positive electrode and negative electrode, described
Solid polyelectrolyte membrane, the positive electrode and the negative electrode are arranged in the cell body；The positive electrode and
The solid polyelectrolyte membrane is set between the negative electrode, and the bottom end of the positive electrode and the negative electrode is equal
It is arranged in the electrode socket by electrode plate.
The electrolytic process of the electrolytic cell through the invention makes the positive electrode and the negative electrode and described in inflow
Purified Water in cell body comes into full contact with, and under the mating reaction of the solid polyelectrolyte membrane, the negative electricity
Pole side generates hydrogen, and the positive electrode side generates oxygen.
Preferably, the liquid level sensor includes the first liquid level sensor, the second liquid level sensor and third level sensing
Device, and first liquid level sensor, second liquid level sensor are identical with the structure of the third liquid level sensor,
For for float-type liquid level sensor: including liquid level sensor ontology and floating material, and the floating material is set in the liquid level
In sensor body, the liquid level sensor ontology and the microprocessor are electrically connected, thus float-type liquid level of the invention
Sensor influences water injection rate by hydrogen and oxygen substantially, and the liquid level sensor ontology and microprocessor electricity
Property connection, so that the present invention can obtain liquid level information by the height of the floating material, and liquid level information is transmitted in time
The microprocessor improves intuitive, accuracy and the agility of level sensing of the present invention.
Preferably, the liquid level sensor being arranged in the hydrogen gas-liquid separator is the first liquid level sensor, the oxygen
The liquid level sensor being arranged in air separation is the second liquid level sensor, and the hydrogen generates the level sensing being arranged in cup
Device is third liquid level sensor, and alarm is provided on the third liquid level sensor, the alarm and the micro process
Device is electrically connected, so that the third liquid level sensor is by liquid level when the hydrogen generates the liquid level in cup and is lower than fixed value
Information is transmitted to the microprocessor, and the power supply device is automatically closed in the microprocessor, and the present invention is made to be automatically stopped fortune
Turn, and control the alarm equipment alarm, to warn staff.
Preferably, it further includes purification water container that the hydrogen, which generates cup, and the purification water container is integrally attached to the electricity
The top of slot is solved, and the oxygen outlet and the inlet penetrate through the connection of the purification water container and the electrolytic cell
The third liquid level sensor and setting are arranged in the purification water container using liquid made of ion exchange resin for body
Purify stick.
It, will be in the Purified Water before entering Purified Water in the electrolytic cell by the inlet to the present invention
Container caching, so that fluid purification stick made of the ion exchange resin in the purification water container carries out Purified Water
Further purified treatment, improves the purity of preparation small molecule hydrogen, and can be monitored by the third liquid level sensor
Liquid level in the purification water container, to guarantee the stability and duration of present invention preparation small molecule hydrogen.
Preferably, the purification water container is removably connected with container cover, is respectively arranged with venthole in the container cover
And liquid-passing hole, so that hygienic protection can not only be carried out to the Purified Water in the purification water container by the container cover, and
And Purified Water can be introduced into the purification water container by the liquid-passing hole, and by the oxygen outlet and
The oxygen generated in the electrolytic cell is discharged the venthole.
Preferably, the container cover is rubber lid, improves the leakproofness of the container cover and the purification water container, from
And improve the protection degree to the Purified Water in purification water container.
Preferably, the oxygen separation device includes oxygen gas-liquid separator, the oxygen discharge pipe and oxygen pressure stabilizing
Valve, the oxygen gas-liquid separator connects the venthole by conduit, and is directly connected to the oxygen discharge pipe, and institute
Oxygen pressure maintaining valve is stated to be arranged in the oxygen discharge pipe end.
The mixture of the oxygen and moisture that generate to electrolytic process of the present invention enters the oxygen by the venthole
Gas-liquid separator, the oxygen gas-liquid separator separates oxygen with moisture, and oxygen is passed through the oxygen discharge pipe
Discharge, and when the air pressure in the oxygen discharge pipe is greater than 0.45MPa, extra gas is discharged the oxygen pressure maintaining valve,
To which the air pressure in the oxygen gas-liquid separator is remained at 0.45MPa by the oxygen pressure maintaining valve by the present invention, benefit
In the stability of preparation process of the present invention.
Preferably, second liquid level sensor is arranged in the oxygen gas-liquid separator, to pass through described second
Liquid level sensor detects the liquid level in the oxygen gas-liquid separator.
Preferably, the water circle device includes water-circulating pipe, pulsating pump and circulating pump, and passes through the water-circulating pipe
It is sequentially connected the purification water store tank, the pulsating pump, the oxygen gas-liquid separator, the circulating pump and the logical liquid
Hole, and the hydrogen gas-liquid separator is connect by the piping with the water-circulating pipe.
To which the present invention can be by the water-circulating pipe and the piping by the purification water store tank, the oxygen
Purified Water in gas-liquid separator and the hydrogen gas-liquid separator collects in the water-circulating pipe, and by described
The Purified Water collected in the water-circulating pipe is transported to the Purified Water by the liquid-passing hole by pulsating pump and the circulating pump
In container, cell reaction is participated in hence into circulation in the electrolytic cell, saves energy loss.
Preferably, the pulsating pump and the microprocessor are electrically connected, so that the microprocessor can be according to described
First liquid level detects the liquid level information in the hydrogen gas-liquid separator, and according to the detected institute of the second liquid level
The liquid level information in oxygen gas-liquid separator is stated, the pulsating pump is controlled and starts to fill the water and stop the working condition of water filling, make this
The preparation process of invention continually and steadily carries out.
Preferably, palladium system catalyst is filled in oxidation of hydrogen catalyst container 15, the space velocity of catalyst container is 10000h-1
Below
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of water electrolysis hydrogen producings
Following technical effect may be implemented in device:
1, the present invention, can be by input power (AC100v-by the way that automatic power converter is arranged in power supply device
It 260v) is transformed to DC5v, to make the present invention during preparing hydrogen, guarantees that temperature of the invention is constant, maintains 35
DEG C hereinafter, avoid that the hydrogen of production is influenced by equipment and temperature increases, lead to the problem of being harmful to the human body, thus of the invention
Hydrogen can continually and steadily be produced, it is not necessary to cause to shut down because the temperature of equipment is excessively high；
2, the present invention by automatic power converter by voltage stabilization on the basis of DC5v, by gas pressure reducer,
The multiple gases such as flow control valve and hydrogen pressure maintaining valve pressure control valve carries out pressure control to the process of production hydrogen, from
And the stability and duration of present invention production hydrogen are improved, and guarantee that the hydrogen of output can be sucked directly by human body, it is good for
Kang Kuaijie；Also, it is respectively provided with since hydrogen gas-liquid separator, oxygen separation device and the hydrogen in the present invention generate in cup
There is liquid level sensor, and each liquid level sensor, water circle device and automatic power converter are electrically connected microprocessor,
To which the present invention can automatically control the process that the present invention prepares hydrogen by microprocessor, system of the present invention is further ensured
The continuous stability of standby process；
3, the present invention is continuing voltage by automatic power converter to control preparation temperature in DC5v, by a variety of
Gas pressure control element controls preparation pressure and automatically controls preparation process by microprocessor and liquid level sensor
On the basis of, oxygen that the present invention is also creatively generated electrolyzer electric solution preocess by oxygen separation device and moisture it is mixed
Zoarium is collected and handles, the hydrogen generated in the mixture and electrolytic process of the oxygen and moisture that prevent electrolytic process from generating
Gas mixing improves the purity of production hydrogen, meanwhile, the present invention also passes through the hydrogen that hydrogen gas-liquid separator generates electrolysis
It is separated with the mixture of moisture, and the hydrogen isolated is passed sequentially through and carries out cooling in gas cooler, pass through gas
Pressure reducing valve carries out decompression processing to cooling hydrogen, passes through oxidation of hydrogen catalyst container to after supercooling and decompression processing
Hydrogen handled, make through trace oxygen and oxidation of hydrogen catalyst container remaining in supercooling, decompression treated hydrogen
In palladium system catalyst reaction, to improve the purity of hydrogen；
It 4, will be in purification water container caching, so as to essence before the present invention enters Purified Water in electrolytic cell by inlet
Fluid purification stick made of ion exchange resin in water container processed carries out further purified treatment to Purified Water, improves preparation
The purity of small molecule hydrogen, and the liquid level in purification water container can be monitored by third liquid level sensor, thus
Guarantee the stability and duration of present invention preparation small molecule hydrogen；
5, the bottom end of electrolytic cell of the present invention is provided with electrode socket, and electrolytic cell is electrically connected power supply by electrode socket and fills
It sets, dismounting is simple and convenient, convenient for the replacement of consumables.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
The embodiment of the present invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 attached drawing is a kind of structure principle chart of hydrogen production plant by water electrolysis of the present invention；
Fig. 2 attached drawing is the structure chart that hydrogen generates cup in a kind of hydrogen production plant by water electrolysis of the present invention；
Fig. 3 attached drawing is the side cross-section diagram that hydrogen generates cup in a kind of hydrogen production plant by water electrolysis of the present invention；
Fig. 4 attached drawing is the schematic diagram of microcontroller in a kind of hydrogen production plant by water electrolysis of the present invention；
Fig. 5 attached drawing is the structure chart of electrolytic cell in a kind of hydrogen production plant by water electrolysis of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of hydrogen production plant by water electrolysis, by realizing production hydrogen under low current and low-voltage effect
The temperature of equipment and hydrogen produced can be effectively controlled in the process of gas, so that the present invention realizes continual and steady production hydrogen
Effect, while the present invention, to the hydrogen of generation through supercooling and catalyst oxidation processes, improves hydrogen in production hydrogen
Purity.
The embodiment of the invention discloses a kind of hydrogen production plant by water electrolysis, including hydrogen to generate cup 1, water circle device, hydrogen
Extraction element, oxygen separation device, purification water store tank 11, power supply device 12 and microprocessor；
Wherein, hydrogen generate cup 1 include electrolytic cell 102,102 top of electrolytic cell be respectively arranged with oxygen outlet 121 and into
Liquid mouth 122, side wall are provided with hydrogen outlet 124, and bottom end is provided with electrode socket 113, and electrolytic cell 102 passes through electrode socket 113
It is electrically connected power supply device 12, and is provided with automatic power converter in power supply device 12；
It refines water store tank 11 and oxygen separation device and inlet 122 is sequentially connected by water circle device；
Hydrogen extraction element includes hydrogen gas-liquid separator 3, gas cooler 16, gas pressure reducer 18, oxidation of hydrogen
Catalyst container 15, flow control valve 13 and hydrogen pressure maintaining valve 8, hydrogen gas-liquid separator 3 is connect with hydrogen outlet 124, and is led to
Piping is crossed 17 to connect with water circle device, and by hydrogen conduit 6 be sequentially connected gas cooler 16, gas pressure reducer 18,
Oxidation of hydrogen catalyst container 15 and flow control valve 13, and hydrogen is connected between gas cooler 16 and gas pressure reducer 18
Over-voltage discharge pipe 14, hydrogen pressure maintaining valve 8 are arranged in 14 end of hydrogen excess pressure discharge pipe；
Oxygen outlet 121 is connect with oxygen separation device；
Hydrogen gas-liquid separator 3, oxygen separation device and hydrogen generate and are provided with liquid level sensor in cup 1, and every
A liquid level sensor, water circle device and power supply device 12 are electrically connected microprocessor.
In order to further optimize the above technical scheme, flow control valve 13 is connected with hydrogen pressure maintaining valve by conduit.
In order to further optimize the above technical scheme, electrolytic cell 102 includes cell body, solid polyelectrolyte membrane
1021, positive electrode 1022 and negative electrode 1023, solid polyelectrolyte membrane 1021, positive electrode 1022 and negative electrode 1023 are equal
It is arranged in cell body, solid polyelectrolyte membrane 1021 is set between positive electrode 1022 and negative electrode 1023, and just
The bottom end of electrode 1022 and negative electrode 1023 passes through electrode plate 1024 and is arranged in electrode socket 113.
In order to further optimize the above technical scheme, liquid level sensor includes the first liquid level sensor, the second level sensing
Device and third liquid level sensor, and the structure phase of the first liquid level sensor, the second liquid level sensor and third liquid level sensor
Together, it is for float-type liquid level sensor: includes liquid level sensor ontology 111 and floating material 112, and floating material 112 is arranged
On liquid level sensor ontology 111, liquid level sensor ontology 111 and microprocessor are electrically connected；
In order to further optimize the above technical scheme, the liquid level sensor being arranged in hydrogen gas-liquid separator 3 is first
Liquid level sensor, the liquid level sensor being arranged in oxygen separation device are the second liquid level sensor, and hydrogen generates to be arranged in cup 1
Liquid level sensor be third liquid level sensor, and alarm, alarm and microprocessor are provided on third liquid level sensor
It is electrically connected.
In order to further optimize the above technical scheme, it further includes purification water container 101 that hydrogen, which generates cup 1, refines water container
101 are integrally attached to the top of electrolytic cell 102, and oxygen outlet 121 and inlet 122 penetrate through purification water container 101 and electricity
The connector of slot 102 is solved, refines and third liquid level sensor and setting is set in water container 101 using ion exchange resin system
At fluid purification stick 104.
In order to further optimize the above technical scheme, purification water container 101 is removably connected with container cover 105, container cover
Venthole 106 and liquid-passing hole 107 are respectively arranged on 105.
In order to further optimize the above technical scheme, container cover 105 is rubber lid.
In order to further optimize the above technical scheme, oxygen separation device includes oxygen gas-liquid separator 4, oxygen discharge
Pipe 7 and oxygen pressure maintaining valve 9, oxygen gas-liquid separator 4 connects venthole 106 by conduit, and is directly connected to oxygen discharge pipe
7, and oxygen pressure maintaining valve 9 is arranged in 7 end of oxygen discharge pipe.
In order to further optimize the above technical scheme, the second liquid level sensor is arranged in oxygen gas-liquid separator 4.
In order to further optimize the above technical scheme, water circle device includes water-circulating pipe 2, pulsating pump 10 and circulating pump
5, and purification water store tank 11, pulsating pump 10, oxygen gas-liquid separator 4, circulating pump 5 are sequentially connected by water-circulating pipe 2 and led to
Fluid apertures 107.
In order to further optimize the above technical scheme, pulsating pump 10 and microprocessor are electrically connected.
In order to further optimize the above technical scheme, palladium system catalyst, catalyst container are filled in oxidation of hydrogen catalyst container 15
Space velocity be 10000h-1 or less.
Embodiment:
In conjunction with Figure of description 1-5, pulsating pump 10 is opened, the Purified Water for refining water store tank 11 is injected into oxygen gas-liquid
Separator 4 enters by the Purified Water that oxygen gas-liquid separator 4 separates extra oxygen from the lower section of oxygen gas-liquid separator 4
Purified Water injection hydrogen is generated the purification water container 101 in cup 1 by water circulating pipe 2, circulating pump 5, in purification water container 101
In, Purified Water is further purified by fluid purification stick 104, guarantees the small molecule hydrogen purity with higher of preparation, by liquid
The Purified Water that body purification stick 104 further purifies is entered by inlet 122 occurs cell reaction (Purified Water in electrolytic cell 102
Be consumed during cell reaction, without be arranged Purified Water outlet), make Purified Water respectively with positive electrode 1022 and bear
The outside of electrode 1023 comes into full contact with, so that positive electrode 1022 generates oxygen in electrolytic process, negative electrode 1023 generates hydrogen
Gas, electrolytic cell 102 enter hydrogen gas-liquid separator 3 in the hydrogen that negative electrode 1023 generates with hydrogen and water hybrid mode,
The oxygen that positive electrode 1022 generates enters oxygen gas-liquid separator 4, hydrogen gas-liquid separator 3 with oxygen and water hybrid mode
When reaching regulation liquid level with the Purified Water of oxygen gas-liquid separator 4, the first liquid level sensor will be in hydrogen gas-liquid separator 3
Liquid level information be transmitted to the liquid level receiver in microprocessor, while liquid level receiver in microprocessor receives the second liquid
Liquid level information in the oxygen gas-liquid separator 4 of level sensor transmission, and the liquid level receiver in microprocessor is according to institute
Information in received first liquid level sensor and the second liquid level sensor is transmitted in the water suction pump controller of microprocessor,
Water suction pump controller stops water filling according to the liquid level information instruction pulsating pump 10 received；When hydrogen gas-liquid separator 3 and oxygen
When the Purified Water of gas gas-liquid separator 4 is lower than regulation liquid level, water suction pump controller is according to receiving the first liquid level sensor and the
Liquid level information control pulsating pump 10 in two liquid level sensors starts to fill the water, to make hydrogen gas-liquid separator 3 and oxygen gas
The liquid level of liquid/gas separator 4 passes through the small molecule hydrogen and oxygen of electrolysis generation in same level, and since hydrogen generates cup 1
The ratio of gas is 2:1, so the gas compartment ratio of hydrogen gas-liquid separator 3 and oxygen gas-liquid separator 4 is also 2:1；
Meanwhile the Purified Water in electrolytic cell 1 is during be electrolysed, third liquid level sensor is by each moment essence
Liquid level information in water container 101 processed is transmitted in the liquid level receiver of the microprocessor, when third liquid level sensor detects
When being lower than specified value to the liquid level in purification water container 101, the liquid level receiver receives the liquid level of third liquid level sensor
Information, and the liquid level information of third liquid level sensor is transmitted to power-supply controller of electric, power controller controls power supply device disconnects
Working condition makes the present invention be automatically stopped operating, while the liquid level information of third liquid level sensor is transmitted to by liquid level receiver
The Controller of warner of microprocessor, Controller of warner control alarm are alarmed.
(in the above-mentioned course of work, first liquid level sensor, the second liquid level sensor and third liquid level sensor
It is that water level information is passed to liquid level sensor ontology 111 by the position floated or sunk by floating material 112, to pass through
Liquid level sensor ontology 111 and microprocessor are electrically connected, to automatically control water supply).
The pressure that hydrogen generates the small molecule hydrogen that cup 1 generates is 0.45MPa, and gas cooler 16 is by small molecule hydrogen
Gas cooling is to 6 ° hereinafter, small molecule hydrogen after cooling enters gas pressure reducer 18, and gas pressure reducer 18 is by small molecule hydrogen
For gas decompression to 0.25MPa, the small molecule hydrogen for being then depressurized to 0.25MPa enters oxidation of hydrogen catalyst container 15, hydrogen
Palladium system catalyst in oxidation catalyst container 15 at normal temperature, remaining micro amount of oxygen in the small molecule hydrogen after cooling and decompression
Gas is reacted with palladium system catalyst, so that trace oxygen remaining in small molecule hydrogen is down to 1ppm hereinafter, to oxidation of hydrogen catalyst
The small molecule hydrogen purity that container 15 is discharged is 99.99% or more, the pressure 0.25MPa of the hydrogen of discharge, and is adjusted
Flow control valve 13, makes the pressure 0.20MPa of the hydrogen of discharge, and gas output is 12L or so per hour.
Also, flow control valve 13 is connected with hydrogen pressure maintaining valve by conduit, so that the present invention is when exporting hydrogen, when
When air pressure in flow control valve 13 is higher than 0.2MPa, by the extra hydrogen of hydrogen pressure maintaining valve automatic-discharging, it is further ensured that
The quality and pressure of hydrogen are discharged by flow control valve 13, thus can be straight by the hydrogen that flow control valve 13 is discharged
It connects and is sucked by human body, health is quick.
In above process, when the air pressure of hydrogen conduit 6 is greater than 0.45MPa, hydrogen pressure maintaining valve 8 starts, thus hydrogen
Excessive gas in conduit 6 is discharged from hydrogen excess pressure discharge pipe 14；Equally, when the air pressure of oxygen discharge pipe 7 is greater than 0.45MPa,
Oxygen pressure maintaining valve 9 starts, extra gas discharge in oxygen discharge pipe 7.Hydrogen pressure maintaining valve 8 and oxygen pressure maintaining valve 9 make hydrogen always
Gas gas-liquid separator 3 and oxygen gas-liquid separator 4 protect the pressure of 0.45MPa.
Test proves that: it is prepared after hydrogen sucked by human body through the invention, the hydrogen of sucking accounts for lung sucking air
2.5~3%, hydrogen sucks after twenty minutes, and by gas chromatograph for determination, hydrogen concentration is 7.5~10umol/L in venous blood,
Hydrogen concentration is 11~13umol/L in arterial blood.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of his embodiment, the same or similar parts in each embodiment may refer to each other.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method portion
It defends oneself bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, defined herein
General Principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest scope of point.
Claims (10)
1. a kind of hydrogen production plant by water electrolysis, which is characterized in that generate cup (1), water circle device, hydrogen extraction dress including hydrogen
It sets, oxygen separation device, refine water store tank (11), power supply device (12) and microprocessor；
Wherein, it includes electrolytic cell (102) that the hydrogen, which generates cup (1), and electrolytic cell (102) top is respectively arranged with oxygen and goes out
Mouth (121) and inlet (122), side wall are provided with hydrogen outlet (124), and bottom end is provided with electrode socket (113), the electrolysis
Slot (102) is electrically connected the power supply device (12), and setting in the power supply device (12) by the electrode socket (113)
There is automatic power converter；
The purification water store tank (11) is sequentially connected the oxygen separation device and the feed liquor by the water circle device
Mouth (122)；
The hydrogen extraction element includes hydrogen hydrogen gas-liquid separator (3), gas cooler (16), gas pressure reducer
(18), oxidation of hydrogen catalyst container (15), flow control valve (13) and hydrogen pressure maintaining valve (8), the hydrogen hydrogen gas-liquid
Separator (3) is connect with the hydrogen outlet (124), and is connect by being piped (17) with the water circle device, and is passed through
Hydrogen conduit (6) is sequentially connected the gas cooler (16), the gas pressure reducer (18), the oxidation of hydrogen catalyst container
(15) and the flow control valve (13), and hydrogen is connected between the gas cooler (16) and the gas pressure reducer (18)
Gas over-voltage discharge pipe (14), the hydrogen pressure maintaining valve (8) are arranged in hydrogen excess pressure discharge pipe (14) end；
The oxygen outlet (121) connect with the oxygen separation device；
The hydrogen gas-liquid separator (3), the oxygen separation device and the hydrogen generate in cup (1) and are provided with liquid level
Sensor, and each liquid level sensor, the water circle device and the power supply device (12) be electrically connected it is described micro-
Processor.
2. a kind of hydrogen production plant by water electrolysis according to claim 1, which is characterized in that the flow control valve (13) passes through
Conduit is connected with hydrogen pressure maintaining valve.
3. a kind of hydrogen production plant by water electrolysis according to claim 1, which is characterized in that the electrolytic cell (102) includes electricity
Solve groove body, solid polyelectrolyte membrane (1021), positive electrode (1022) and negative electrode (1023), the solid polymer electrolytic
Plasma membrane (1021), the positive electrode (1022) and the negative electrode (1023) are arranged in the cell body；The positive electricity
It is arranged between pole (1022) and the negative electrode (1023) solid polyelectrolyte membrane (1021), and the positive electrode
(1022) pass through electrode plate (1024) with the bottom end of the negative electrode (1023) and be arranged in the electrode socket (113).
4. a kind of hydrogen production plant by water electrolysis according to claim 1, which is characterized in that the liquid level sensor includes first
Liquid level sensor, the second liquid level sensor and third liquid level sensor, the middle setting of the hydrogen hydrogen gas-liquid separator (3)
Liquid level sensor be the first liquid level sensor, the liquid level sensor being arranged in the oxygen separation device is the second level sensing
Device, it is third liquid level sensor that the hydrogen, which generates the liquid level sensor being arranged in cup (1), and on the third liquid level sensor
It is provided with alarm, the alarm and the microprocessor are electrically connected.
5. a kind of hydrogen production plant by water electrolysis according to claim 4, which is characterized in that the hydrogen generates cup (1) and also wraps
Purification water container (101) is included, purification water container (101) is integrally attached to the top of the electrolytic cell (102), and the oxygen
Gas outlet (121) and the inlet (122) penetrate through the connection of purification water container (101) and the electrolytic cell (102)
Body, the purification water container (101) the middle setting third liquid level sensor and setting are using made of ion exchange resin
Fluid purification stick (104).
6. a kind of hydrogen production plant by water electrolysis according to claim 5, which is characterized in that the purification water container (101) can
Dismantling connection has container cover (105), is respectively arranged with venthole (106) and liquid-passing hole (107) on the container cover (105).
7. a kind of hydrogen production plant by water electrolysis according to claim 6, which is characterized in that the oxygen separation device includes oxygen
Gas gas-liquid separator (4), the oxygen discharge pipe (7) and oxygen pressure maintaining valve (9), the oxygen gas-liquid separator (4) is by leading
Pipe connects the venthole (106), and is directly connected to the oxygen discharge pipe (7), and the oxygen pressure maintaining valve (9) setting exists
Oxygen discharge pipe (7) end.
8. a kind of hydrogen production plant by water electrolysis according to claim 7, which is characterized in that the second liquid level sensor setting
In the oxygen gas-liquid separator (4).
9. a kind of hydrogen production plant by water electrolysis according to claim 7, which is characterized in that the water circle device includes that water follows
Endless tube (2), pulsating pump (10) and circulating pump (5), and the purification water store tank is sequentially connected by the water-circulating pipe (2)
(11), the pulsating pump (10), the oxygen gas-liquid separator (4), the circulating pump (5) and the liquid-passing hole (107), and institute
Hydrogen hydrogen gas-liquid separator (3) is stated to connect by the piping (17) with the water-circulating pipe (2).
10. a kind of hydrogen production plant by water electrolysis according to claim 9, which is characterized in that the pulsating pump (10) with it is described
Microprocessor is electrically connected.
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| CN112553640A (en) * | 2019-09-09 | 2021-03-26 | 梁尚安 | Solar energy electrolytic water dynamic hydrogen and oxygen production equipment |
| JP2021063244A (en) * | 2019-10-10 | 2021-04-22 | 日立造船株式会社 | Water electrolysis apparatus and water electrolysis method |
| CN112981437A (en) * | 2021-02-07 | 2021-06-18 | 阳光电源股份有限公司 | Water electrolysis hydrogen production system and gas purity control method thereof |
| CN113368350A (en) * | 2021-05-31 | 2021-09-10 | 福建氢启健康科技有限公司 | Portable oxyhydrogen recuperation machine |
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| CN114525520B (en) * | 2022-03-07 | 2024-01-30 | 阳光氢能科技有限公司 | Hydrogen production system hot standby control method and hydrogen production system |
| CN114606523A (en) * | 2022-04-27 | 2022-06-10 | 阳光氢能科技有限公司 | Variable-power hydrogen production system and automatic control system and method thereof |
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| CN115522226A (en) * | 2022-09-29 | 2022-12-27 | 广东天科环境科学研究院 | Device for producing combustible gas by electrolyzing water |
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