CN106567103B - Sodium hypochlorite and high-purity hydrogen co-production and system - Google Patents
Sodium hypochlorite and high-purity hydrogen co-production and system Download PDFInfo
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- CN106567103B CN106567103B CN201610977645.XA CN201610977645A CN106567103B CN 106567103 B CN106567103 B CN 106567103B CN 201610977645 A CN201610977645 A CN 201610977645A CN 106567103 B CN106567103 B CN 106567103B
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- 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
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- 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
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
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- 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
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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 invention discloses a kind of sodium hypochlorite and high-purity hydrogen co-production, comprise the following steps：1) seawater deaerates in advance：Seawater is inputted into pre- degasser, removes fixed gas；2) electrolytic seawater：Seawater input electrolytic seawater device after pre- degassing is electrolysed, hydrogen and liquor natrii hypochloritis is obtained and enters wet hydrogen gas-holder；3) gas-liquid separation：Hydrogen and liquor natrii hypochloritis separate in wet hydrogen gas-holder, and the liquor natrii hypochloritis of acquisition inputs nuclear power station recirculated water entrance or collection by pipeline, the hydrogen obtained from the collection of wet hydrogen gas-holder；4) hydrogen purification：Lye absorption, freeze-drying, deoxidation and drying in the dechlorinated demisting tank of hydrogen of collection, obtain high-purity hydrogen.In addition, the invention also discloses a kind of sodium hypochlorite and high-purity hydrogen co-generation system.
Description
Technical field
The invention belongs to Treatment of Industrial Water and new energy Hydrogen Energy production field, it is more particularly related to a kind of time
Sodium chlorate and high-purity hydrogen co-production and system, can be widely used for thermal power plant or nuclear power plant.
Background technology
At present, water electrolysis hydrogen producing station production hydrogen and electrolysis are usually built in strand nuclear plant and thermal power plant respectively
Seawater chlorine station generates sodium hypochlorite.
Hydrogen production process by water electrolysis is：Bath is demineralized water, and plate material is pure nickel or carbon steel nickel plating, electrolyte
For high alkali liquid such as potassium hydroxide or demineralized water, produce during pressure is usually and press 3MPa, cathode precipitation hydrogen, anode precipitated oxygen,
Oxygen directly discharges air.Electrolyzed sea water chlorination technique is：Electrolytic cell is in chloride ion content in the sea of 10000~20000ppm
Work under water condition, anode plate material for the titanium plate with rare metal coating or other be suitble to materials for being electrolysed in the seawater,
Pressure is produced less than 0.6MPa, the product of electrolytic seawater is sodium hypochlorite and hydrogen, and the hydrogen output of electrolytic seawater is about water power
10~20 times of hydrogen generator station hydrogen are solved, air is directly discharged.
Water electrolysis hydrogen producing station due to generating hydrogen and oxygen simultaneously, and there are under the electrolytic cell asbestos isolation performance of hydrogen producer
The security risks such as drop, pole plate electrochemical corrosion, operation logic failure and electrode positive and negative anodes reverse graft, easily cause hydrogen and oxygen to mix
It closes and generates explosion.In addition, hydro-electrolytic hydrogen production device maintenance cycle is short, equipment quality requirement is high, and there are relatively strong winds in operation
Danger.Electrolyzed sea water chlorination station will generate a large amount of hydrogen discharges into power plant's ambient atmosphere, and there is also security risks.
Existing two kinds of technique all consumes substantial amounts of electric energy in electrolytic process, and the discharge of by-product oxygen and hydrogen causes pole
Big energy waste, two kinds of techniques generate hydrogen, and there are inflammable and explosive danger.Establish simultaneously two independent workshops capital construction and
Equipment investment is costly, and power plant needs to strengthen management simultaneously, spends human and material resources.
In view of the design at existing thermal power plant and nuclear plant's hydrogen generator station and chlorine station processed, construction and running safety and energy
Consumption problem, it is necessory to provide, a kind of low energy consumption and the sodium hypochlorite of environmental protection and high-purity hydrogen co-production and system.
The content of the invention
It is an object of the invention to：There is provided it is a kind of low energy consumption and environmental protection sodium hypochlorite and high-purity hydrogen co-production and
System, while making electrolytic seawater production sodium hypochlorite, high purity hydrogen product necessary to hydrogen is efficiently translated into power generation.
For achieving the above object, the present invention provides a kind of sodium hypochlorite and high-purity hydrogen co-production, including
Following steps：
1) seawater deaerates in advance：Seawater is inputted into pre- degasser, removes fixed gas；
2) electrolytic seawater：Seawater input electrolytic seawater device after pre- degassing is electrolysed, obtains hydrogen and hypochlorous acid
Sodium solution simultaneously enters wet hydrogen gas-holder；
3) gas-liquid separation：Hydrogen and liquor natrii hypochloritis separate in wet hydrogen gas-holder, the liquor natrii hypochloritis of acquisition
Nuclear power station recirculated water entrance or collection are inputted by pipeline, the hydrogen obtained from the collection of wet hydrogen gas-holder；
4) hydrogen purification：Lye absorption, freeze-drying, deoxidation and drying in the dechlorinated demisting tank of hydrogen of collection, are obtained
Obtain high-purity hydrogen.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-production, in step 1), pass through vacuum pump
Fixed gas is removed, fixed gas includes nitrogen, carbon dioxide, oxygen and argon gas.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-production, in step 3), the hypochlorous acid
Sodium solution concentration is 1500ppm~2000ppm.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-production, the wet hydrogen gas-holder is equipped with
Hydrogen pressure regulating valve and hydrogen gas exhaust valve.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-production, in step 4), the lye is
Mass concentration is 40~50% sodium hydroxide or potassium hydroxide solution.
In order to realize foregoing invention purpose, the present invention also provides a kind of sodium hypochlorite and high-purity hydrogen co-generation system,
It includes：
Seawater deaerates unit in advance, and the pre- deaerating tank of vacuum pump is equipped with including seawater cistern, seawater water pump and top；
Electrolytic seawater unit, including seawater force (forcing) pump and electrolytic seawater device；
Gas-liquid separation unit, including separator at the beginning of hydrogen and wet hydrogen gas-holder；And
Hydrogen purification unit, including dechlorination demisting tank, freeze-dryer, degasifier, drier and hydrogen filter.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the seawater deaerate in advance unit use
In removal fixed gas nitrogen, carbon dioxide, oxygen and argon gas.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the seawater force (forcing) pump is frequency conversion
Pump.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the electrolytic seawater device includes
The vertical or horizontal type electrobath of several series operations.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the gas-liquid separation unit is also wrapped
Include the liquid level sensor being arranged on wet hydrogen gas-holder side wall, the flowmeter and hypochlorous acid that are arranged at wet hydrogen gas-holder bottom
The safety discharge valve and hydrogen pressure regulating valve that sodium goes out water regulating valve and is arranged at the top of wet hydrogen gas-holder.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, just separator passes through the hydrogen
Pipeline is connected to electrolytic seawater device top, and by hydrogen, just separator and pipeline enter the hydrogen partial in electrolytic seawater device
The wet hydrogen gas-holder.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the wet hydrogen gas-holder is also logical
It crosses pipeline to be directly connected with electrolytic seawater device, the seawater and hydrogen partial after electrolysis containing sodium hypochlorite flow directly into wet through pipeline
Hydrogen gas-holder.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, liquid in the wet hydrogen gas-holder
Position is maintained at 50~70%.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, it is filled in the degasifier de-
Oxygen agent palladium molecular sieve or activated alumina plating palladium or other high efficiency deoxidisers.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, powder filler in the drier
The more water silicon aluminate crystals of shape or other high-efficiency dehydration agent, using double tower or multi-tower structure.
As a kind of improvement of sodium hypochlorite of the present invention and high-purity hydrogen co-generation system, the filtering of the hydrogen filter
Precision is no more than 0.3 μm.
Compared with the prior art, sodium hypochlorite and high-purity hydrogen co-production of the present invention and system have the following advantages：
1) preparation of liquor natrii hypochloritis and hydrogen is realized by a set of electrolytic seawater device distribution, without water is separately configured
Electrolytic hydrogen production electrolytic cell and distribution rectifier equipment, can save power consumption, improve power consumption efficiency and generating efficiency, reduce build and
Operating cost.
2) fixed gas (N in the seawater of source is removed by pre- degasser2、CO2、O2With Ar etc.), hydrogen can be effectively improved
Purity.
3) sodium hypochlorite concentration can be adjusted by electrolytic cell input current, and Hydrogen Vapor Pressure and yield can pass through electrolytic cell
Input current or hydrogen pressure regulating valve and hydrogen gas exhaust valve are adjusted.
4) just separator can realize dredging and collecting for hydrogen to hydrogen, reduce air content in electrolytic cell group, increase electrolysis
Cell current density improves electrolytic efficiency.
5) freeze drier is set before deoxidization technique, it can be achieved that drying, purification and the filtering of wet hydrogen, extend deoxidation and set
Standby service life.
6) electrolytic seawater device can be safeguarded by online pickling, without periodically returning factory's overhaul, can effectively ensure that electric power factory equipment
Availability.
7) by additional supercharging filling equipment, realize bottled hydrogen production, there is important value for hydrogen energy source production.
Description of the drawings
With reference to the accompanying drawings and detailed description, to sodium hypochlorite of the present invention and high-purity hydrogen co-production and system
And its advantageous effects are described in detail, wherein：
Fig. 1 is the flow diagram of sodium hypochlorite of the present invention and high-purity hydrogen co-production.
Specific embodiment
In order to which the goal of the invention, technical solution and its advantageous effects that make the present invention become apparent from, below in conjunction with attached drawing
And specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific reality described in this specification
Mode is applied just for the sake of explaining the present invention, is not intended to limit the present invention.
Refering to Figure 1, sodium hypochlorite of the present invention and high-purity hydrogen co-generation system include：
Seawater deaerates unit 10 in advance, and vacuum pump 108 is equipped with including seawater cistern 102, seawater water pump 104 and top
Pre- deaerating tank 106；
Electrolytic seawater unit 20, including seawater force (forcing) pump 202 (variable frequency pump can be used) and electrolytic seawater device 204；
Gas-liquid separation unit 30, including separator at the beginning of hydrogen 302 and wet hydrogen gas-holder 304；And
Hydrogen purification unit 40, including dechlorination demisting tank 402, freeze-dryer 404, degasifier 406,408 and of drier
Hydrogen filter 409.
Seawater deaerates unit 10 for tentatively removing the fixed gas (N contained in the seawater of source in advance2、CO2、O2With Ar etc.), with two
Carbonoxide measures, and fixed gas air content reaches more than 95% in 3~5mg/L, outgassing rate after degassing.
Pre- deaerating tank 106 is in sealed set, and top is equipped with vacuum pump 108, to ensure to operate in certain vacuum degree
Under (usual vacuum degree needs more than 0.08Mpa), be made of the material of seawater corrosion resistance.Pre- deaerating tank 106 includes cylinder or length
Cube groove body, the cloth water spray system for being installed on groove body internal upper part are installed on the multiaspect baton round filler at middle part in groove body, installation
In lower part in groove body support water permeable device and be installed on the intermediate water tank of bottom in groove body.
Electrolytic seawater device 204 is set there are two outlet, and top exit 206 connects hydrogen just separator 302, and hydrogen just separates
Device 302 is connected with wet hydrogen gas-holder 304 by pipeline, and upper outlet 208 is directly connected by pipeline with wet hydrogen gas-holder 304
It connects.
Electrolytic seawater device 204 includes the vertical or horizontal type electrobath of several series operations, design pressure 0.6Mpa,
Seawater enters from electrolytic cell lower part, and the seawater after electrolysis is discharged from upper part of the electrolytic cell.Electrolytic cell includes groove body, anode and cathode,
Sodium hypochlorite concentration and hydrogen output can control by regulating electrolytic tank input current.Anode is the low electrode of chlorine evolution potential, example
Such as the low noble coatings titanium-matrix electrode containing ruthenium, iridium of chlorine evolution potential, seawater is precipitated in anode in chlorine and rapidly dissolving and water
Hydroxyl generation hypochlorite.Cathode is the low electrode of hydrogen-evolution overpotential, such as titanium or nickeliferous and transition metal molybdenum alloy coating
Titanium-based, water is precipitated hydrogen in cathode, and generates a large amount of hydroxyls.
Except separator 302 at the beginning of hydrogen and wet hydrogen gas-holder 304, gas-liquid separation unit 30, which further includes, is arranged at wet hydrogen
Liquid level sensor 306 on 304 side wall of gas-holder, the flowmeter 308 and sodium hypochlorite for being arranged at 304 bottom of wet hydrogen gas-holder
Go out water regulating valve 310, the safety discharge valve 312 and spark arrester 314 (connection air) that are arranged at 304 top of wet hydrogen gas-holder,
And it is arranged at the hydrogen pressure regulating valve 316 between wet hydrogen gas-holder 304 and dechlorination demisting tank 402.
A preferred embodiment according to the present invention, goes out water regulating valve 310 by seawater force (forcing) pump 202, sodium hypochlorite
With flowmeter 308, the liquid level of wet hydrogen gas-holder 304 is maintained between 50~70%, by adjusting hydrogen pressure regulating valve 316
With hydrogen gas exhaust valve 312, follow-up hydrogen gas lines pressure is maintained to be higher than 0.3MPa (adjustable pressure).
402 internal solution of dechlorination demisting tank is high alkali liquid, such as can be more than 40% sodium hydroxide or potassium hydroxide
Solution.The top of dechlorination demisting tank 402 is equipped with demister, and lower part is equipped with admission line, inside sets gas distribution pipe, and gas distribution pipe perforate 3~
5mm is evenly distributed on water distribution section.The setting of dechlorination demisting tank 402 makes hydrogen be come into full contact with instead with lye in floating-upward process
It should be to remove chlorine and part vapor, demister can be such that the hydrogenesis in wet hydrogen is stayed in into water droplet in tank.In order to ensure
Dechlorination effect should be supplemented or be replaced alkali less than 30%, it is necessary to the regular concentration of lye in sample examination dechlorination demisting tank 402
Liquid.
Freeze-dryer 404 can further remove the moisture in hydrogen, to reduce dew point of hydrogen, effectively extend follow-up de-
The service life of oxygen device 406 and drier 408.
For hydrogen from the outlet of freeze-dryer 404 into degasifier 406, degasifier 406 is interior to be filled with palladium molecular sieve or activity
Aluminium oxide plates palladium or other high efficiency deoxidisers, can remove trace oxygen.
The more water silicon aluminate crystals of powder filler shape or other high-efficiency dehydration agent in drier 408, to remove residual moisture.
A preferred embodiment according to the present invention, drier 408 use double tower or multi-tower structure.
The filtering accuracy of hydrogen filter 409 is 0.3 μm, for filtering out the impurity composition in hydrogen, obtains purity
More than 99.99% high-purity hydrogen.
It refer to shown in Fig. 1, sodium hypochlorite and high-purity hydrogen co-production of the present invention comprises the following steps：
1) seawater deaerates in advance：Seawater is inputted pre- deaerating tank 106 by seawater cistern 102 by seawater water pump 104, true
Under the action of sky pump 108, the fixed gas contained in seawater (nitrogen, oxygen, carbon dioxide and argon gas) is tentatively removed, is discharged into big
In gas.
2) electrolytic seawater：Seawater after pre- degassing carries out electricity under the driving of force (forcing) pump 202 into electrolytic seawater device 204
Solution, separator 302 is collected at the beginning of most of hydrogen from upper part of the electrolytic cell hydrogen, into wet hydrogen gas-holder 304, remaining hydrogen
Enter wet hydrogen gas-holder 304 from upper outlet 208 with liquor natrii hypochloritis's mixing after electrolysis；
3) gas-liquid separation：Liquor natrii hypochloritis into wet hydrogen gas-holder 304 is passed through equipped with flowmeter 308 and sodium hypochlorite
The pipeline for going out water regulating valve 310 inputs and cycles water inlet to nuclear power station or collected by appropriate ways, and wet hydrogen is from wet hydrogen gas-reservoir
Gas holder 304 is collected through pipeline to hydrogen purification unit；
4) hydrogen purification：Wet hydrogen enters dechlorination demisting tank 402 and removes micro chlorine and part vapor, then successively
Trace oxygen and moisture are removed into freeze-dryer 404, degasifier 406, drier 408, eventually by hydrogen filter 409
Impurity component is filtered out, obtains the hydrogen of purity more than 99.99%.
According to more than detailed description of the present invention, compared with the prior art, sodium hypochlorite of the present invention and high-purity
Hydrogen co-production and system can be widely applied to nuclear power plant or thermal power plant, has the following advantages：
1) preparation of liquor natrii hypochloritis and hydrogen is realized by a set of electrolytic seawater device distribution, without water is separately configured
Electrolytic hydrogen production electrolytic cell and distribution rectifier equipment, can save power consumption, improve power consumption efficiency and generating efficiency, reduce build and
Operating cost.
2) fixed gas (N in the seawater of source is removed by pre- degasser2、CO2、O2With Ar etc.), hydrogen can be effectively improved
Purity.
3) sodium hypochlorite concentration can be adjusted by electrolytic cell input current, and Hydrogen Vapor Pressure and yield can pass through electrolytic cell
Input current or hydrogen pressure regulating valve and hydrogen gas exhaust valve are adjusted.
4) just separator can realize dredging and collecting for hydrogen to hydrogen, reduce air content in electrolytic cell group, increase electrolysis
Cell current density improves electrolytic efficiency.
5) freeze drier is set before deoxidization technique, it can be achieved that drying, purification and the filtering of wet hydrogen, extend deoxidation and set
Standby service life.
6) electrolytic seawater device can be safeguarded by online pickling, without periodically returning factory's overhaul, can effectively ensure that electric power factory equipment
Availability.
7) by additional supercharging filling equipment, realize bottled hydrogen production, there is important value for hydrogen energy source production.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, the invention is not limited in specific embodiment disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In used some specific terms, but these terms are merely for convenience of description, do not limit the present invention in any way.
Claims (16)
1. a kind of sodium hypochlorite and high-purity hydrogen co-production, which is characterized in that comprise the following steps：
1) seawater deaerates in advance：Seawater is inputted into pre- degasser, removes fixed gas；
2) electrolytic seawater：Seawater input electrolytic seawater device after pre- degassing is electrolysed, hydrogen is obtained and sodium hypochlorite is molten
Liquid simultaneously enters wet hydrogen gas-holder；
3) gas-liquid separation：Hydrogen and liquor natrii hypochloritis separate in wet hydrogen gas-holder, and the liquor natrii hypochloritis of acquisition passes through
Pipeline input Xun Huan water inlet or collection, the hydrogen obtained from the collection of wet hydrogen gas-holder；
4) hydrogen purification：Lye in the dechlorinated demisting tank of hydrogen of collection is absorbed, is freeze-dried, deoxidation and drying, acquisition are high
Purity hydrogen.
2. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, which is characterized in that in step 1), lead to
It crosses vacuum pump and removes fixed gas, fixed gas includes nitrogen, carbon dioxide, oxygen and argon gas.
3. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, which is characterized in that in step 3), institute
Liquor natrii hypochloritis's concentration is stated as 1500ppm~2000ppm.
4. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, which is characterized in that the wet hydrogen gas-reservoir
Gas holder is equipped with hydrogen pressure regulating valve and hydrogen gas exhaust valve.
5. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, which is characterized in that in step 4), institute
It is the sodium hydroxide or potassium hydroxide solution that mass concentration is 40~50% to state lye.
6. a kind of sodium hypochlorite and high-purity hydrogen co-generation system, which is characterized in that including：
Seawater deaerates unit in advance, and the pre- deaerating tank of vacuum pump is equipped with including seawater cistern, seawater water pump and top；
Electrolytic seawater unit, including seawater force (forcing) pump and electrolytic seawater device；
Gas-liquid separation unit, including separator at the beginning of hydrogen and wet hydrogen gas-holder；And
Hydrogen purification unit, including dechlorination demisting tank, freeze-dryer, degasifier, drier and hydrogen filter.
7. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the seawater is pre- de-
Gas unit is used to remove fixed gas nitrogen, carbon dioxide, oxygen and argon gas.
8. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the seawater pressurization
It pumps as variable frequency pump.
9. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the electrolytic seawater
Device includes the vertical or horizontal type electrobath of several series operations.
10. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the gas-liquid point
The liquid level sensor being arranged on wet hydrogen gas-holder side wall, the flow for being arranged at wet hydrogen gas-holder bottom are further included from unit
The safety discharge valve and Hydrogen Vapor Pressure that meter and sodium hypochlorite go out water regulating valve and be arranged at the top of wet hydrogen gas-holder are adjusted
Valve.
11. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that at the beginning of the hydrogen
Separator is connected to electrolytic seawater device top by pipeline, and the hydrogen partial in electrolytic seawater device is by the first separator of hydrogen
Enter the wet hydrogen gas-holder with pipeline.
12. sodium hypochlorite according to claim 11 and high-purity hydrogen co-generation system, which is characterized in that the wet hydrogen
Gas-holder is also directly connected by pipeline with electrolytic seawater device, and the seawater and hydrogen partial after electrolysis containing sodium hypochlorite are through pipeline
Flow directly into wet hydrogen gas-holder.
13. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the wet hydrogen
Liquid level is maintained at 50~70% in gas-holder.
14. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the degasifier
It is interior to plate palladium filled with deoxidier palladium molecular sieve or activated alumina.
15. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the drier
The interior more water silicon aluminate crystals of powder filler shape, using double tower or multi-tower structure.
16. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, which is characterized in that the hydrogen mistake
The filtering accuracy of filter is no more than 0.3 μm.
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| US11479868B2 (en) * | 2017-09-07 | 2022-10-25 | De Nora Permelec Ltd | Electrolytic device |
| CN110182989A (en) * | 2019-04-23 | 2019-08-30 | 皓禹(厦门)环保有限公司 | Based on electrolysis water body ammonium oxidation nitrate-nitrogen reduction integration denitrification device and method |
| CN112960813A (en) * | 2019-12-14 | 2021-06-15 | 中国科学院大连化学物理研究所 | Method for improving CO extracted from seawater2Device and method for acidifying seawater with purity |
| CN110965069B (en) * | 2019-12-25 | 2022-07-12 | 乔治洛德方法研究和开发液化空气有限公司 | Apparatus and method for producing high-purity hydrogen and/or oxygen by electrolyzing water |
| CN112630377B (en) * | 2020-11-26 | 2022-12-20 | 青岛双瑞海洋环境工程股份有限公司 | Test system for simulating hydrogen removal separation effect in chlorine production by electrolysis |
| CN113737203A (en) * | 2021-09-27 | 2021-12-03 | 长江勘测规划设计研究有限责任公司 | Evaporative cooling medium self-circulation full-immersion type water electrolysis hydrogen production system and use method |
| CN115367930A (en) * | 2022-08-19 | 2022-11-22 | 国家能源集团新能源技术研究院有限公司 | Desulfurization wastewater treatment system and method |
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