CN106567103A - Co-production method and system for sodium hypochlorite and high-purity hydrogen - Google Patents
Co-production method and system for sodium hypochlorite and high-purity hydrogen Download PDFInfo
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- CN106567103A CN106567103A CN201610977645.XA CN201610977645A CN106567103A CN 106567103 A CN106567103 A CN 106567103A CN 201610977645 A CN201610977645 A CN 201610977645A CN 106567103 A CN106567103 A CN 106567103A
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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 co-production method for sodium hypochlorite and high-purity hydrogen. The co-production method comprises the following steps that (1), preliminary degassing of sea water is conducted, specifically, the sea water is input into a preliminary degassing device, and noncondensable gas is removed; (2), the sea water is electrolyzed, specifically, sea water after preliminary degassing is input into a sea water electrolysis device to be electrolyzed, then hydrogen and a sodium hypochlorite solution are obtained, and the sea water continuously enters a wet hydrogen storing tank; (3), gas-liquid separation is conducted, specifically, the hydrogen and the sodium hypochlorite solution are separated in the wet hydrogen storing tank, the obtained sodium hypochlorite solution is input into a circulating water entrance of a nuclear power plant through a pipeline or collected, and the obtained hydrogen is collected from the wet hydrogen storing tank; and (4), hydrogen purification is conducted, specifically, after the collected hydrogen is subjected to alkali liquor absorption in a dechloridation demisting tin, freeze drying, deoxygenation and drying, the high-purity hydrogen is obtained. In addition, the invention further discloses a co-production system for the sodium hypochlorite and the high-purity hydrogen.
Description
Technical field
The invention belongs to Treatment of Industrial Water and new forms of 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, it 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 generally built respectively in strand nuclear plant and thermal power plant
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, negative electrode precipitation hydrogen, anode precipitated oxygen,
Oxygen is to the direct discharge of air.Electrolyzed sea water chlorination technique is：Electrolytic cell is in chloride ion content in the sea of 10000～20000ppm
Work under water condition, positive plate material be the titanium plate with rare metal coating or other be adapted to materials for being electrolysed in the seawater,
Production pressure is less than 0.6MPa, and 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 solution hydrogen generator station hydrogen, to the direct discharge of air.
Water electrolysis hydrogen producing station due to producing hydrogen and oxygen simultaneously, under there is the electrolytic cell asbestos isolation performance of hydrogen producer
The potential safety hazards such as drop, pole plate electrochemical corrosion, operation logic failure and electrode both positive and negative polarity reverse graft, easily cause hydrogen and oxygen mixed
Close and produce blast.Additionally, hydro-electrolytic hydrogen production device maintenance cycle is short, equipment quality has high demands, and there are relatively strong winds in operation
Danger.Electrolyzed sea water chlorination station will produce a large amount of hydrogen discharges into power plant's ambient atmosphere, there is also potential safety hazard.
Existing two kinds of technique all consumes substantial amounts of electric energy in electrolytic process, and the discharge of accessory substance oxygen and hydrogen causes pole
Big energy waste, two kinds of techniques produce hydrogen, there is inflammable and explosive danger.Set up simultaneously two independent factory buildings capital construction and
Equipment investment is costly, and power plant needs to strengthen management simultaneously, labor intensive 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 operating safe and energy
Consumption problem, it is necessory to provide a kind of low and environmentally friendly sodium hypochlorite of energy consumption and high-purity hydrogen co-production and system.
The content of the invention
It is an object of the invention to：There is provided a kind of low and environmentally friendly sodium hypochlorite of energy consumption and high-purity hydrogen co-production and
System, while making electrolytic seawater production sodium hypochlorite, by hydrogen the necessary high purity hydrogen product of generating is efficiently translated into.
For achieving the above object, the present invention provides a kind of sodium hypochlorite and high-purity hydrogen co-production, and it includes
Following steps：
1) seawater deaerates in advance：Seawater is input into into pre- degasser, fixed gas is removed；
2) electrolytic seawater：Seawater input electrolytic seawater device after pre- degassing is electrolysed, hydrogen and hypochlorous acid is obtained
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 input into by pipeline, the hydrogen for obtaining is collected from wet hydrogen gas-holder；
4) hydrogen purification：Alkali liquor absorption, freeze-drying, deoxidation and drying in the dechlorinated demisting tank of hydrogen of collection, obtains
Obtain high-purity hydrogen.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-production, step 1) in, by vavuum pump
Fixed gas is removed, fixed gas includes nitrogen, carbon dioxide, oxygen and argon gas.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-production, step 3) in, the hypochlorous acid
Sodium solution concentration is 1500ppm～2000ppm.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-production, the wet hydrogen gas-holder is provided with
Hydrogen pressure regulating valve and hydrogen gas exhaust valve.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-production, step 4) in, the alkali lye is
Mass concentration is 40～50% NaOH or potassium hydroxide solution.
In order to realize foregoing invention purpose, present invention also offers a kind of sodium hypochlorite and high-purity hydrogen co-generation system,
It includes：
Seawater deaerates in advance unit, including seawater cistern, seawater water pump and top are provided with the pre- deaerating tank of vavuum pump；
Electrolytic seawater unit, including seawater force (forcing) pump and electrolytic seawater device；
Gas-liquid separation unit, including the first separator of hydrogen and wet hydrogen gas-holder；And
Hydrogen purification unit, including dechlorination demisting tank, freeze-dryer, degasifier, drier and hydrogen filter.
A kind of as sodium hypochlorite of the present invention and high-purity hydrogen co-generation system improves, and the seawater deaerates in advance unit use
In removal fixed gas nitrogen, carbon dioxide, oxygen and argon gas.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, the seawater force (forcing) pump is frequency conversion
Pump.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, the electrolytic seawater device includes
The vertical or horizontal type electrobath of several series operations.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, the gas-liquid separation unit is also wrapped
Include the liquid level sensor being arranged on the wall of wet hydrogen gas-holder side, the flowmeter and hypochlorous acid for being arranged at wet hydrogen gas-holder bottom
Sodium goes out water regulating valve, and the safety discharge valve and hydrogen pressure regulating valve being arranged at the top of wet hydrogen gas-holder.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, just separator passes through the hydrogen
Pipeline is connected to electrolytic seawater device top, and through hydrogen, just separator and pipeline are entered the hydrogen partial in electrolytic seawater device
The wet hydrogen gas-holder.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, the wet hydrogen gas-holder also leads to
Cross pipeline to be directly connected with electrolytic seawater device, the seawater containing sodium hypochlorite and hydrogen partial Jing pipelines flow directly into wet after electrolysis
Hydrogen gas-holder.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, liquid in the wet hydrogen gas-holder
Position is maintained at 50～70%.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, filled with de- in the degasifier
Oxygen agent palladium molecular sieve or activated alumina plating palladium or other high efficiency deoxidisers.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, powder filler in the drier
The many water silicon aluminate crystals of shape or other high-efficiency dehydration agent, using double tower or multi-tower structure.
Improve as sodium hypochlorite of the present invention and a kind of of high-purity hydrogen co-generation system, the filtration of the hydrogen filter
Precision is less than 0.3 μm.
Relative to prior art, sodium hypochlorite of the present invention and high-purity hydrogen co-production and system have advantages below：
1) preparation of liquor natrii hypochloritis and hydrogen is realized by a set of electrolytic seawater device distribution, without the need for water is separately configured
Electrolytic hydrogen production electrolytic cell and distribution rectifying installation, 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 is capable of achieving dredging and collecting for hydrogen to hydrogen, reduces air content in electrolytic cell group, increase electrolysis
Cell current density, improves electrolytic efficiency.
5) freeze drier is set before deoxidization technique, drying, purification and the filtration of wet hydrogen is capable of achieving, is extended deoxidation and is set
Standby service life.
6) electrolytic seawater device can be safeguarded by online pickling, without the need for periodically returning factory's overhaul, can effectively ensure that electric power factory equipment
Availability.
7) by additional supercharging filling equipment, realize that bottled hydrogen is produced, for hydrogen energy source production has important value.
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 schematic flow sheet of sodium hypochlorite of the present invention and high-purity hydrogen co-production.
Specific embodiment
In order that the goal of the invention of the present invention, technical scheme and its Advantageous Effects become apparent from, below in conjunction with accompanying drawing
And specific embodiment, the present invention will be described in further detail.It should be appreciated that the concrete 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.
Refer to shown in Fig. 1, sodium hypochlorite of the present invention and high-purity hydrogen co-generation system include：
Seawater deaerates in advance unit 10, including seawater cistern 102, seawater water pump 104 and top are provided with vavuum pump 108
Pre- deaerating tank 106；
Electrolytic seawater unit 20, including seawater force (forcing) pump 202 (variable frequency pump can be adopted) and electrolytic seawater device 204；
Gas-liquid separation unit 30, including the first separator 302 of hydrogen and wet hydrogen gas-holder 304；And
Hydrogen purification unit 40, including dechlorination demisting tank 402, freeze-dryer 404, degasifier 406, the and of drier 408
Hydrogen filter 409.
Seawater deaerates in advance unit 10 for tentatively removing the fixed gas (N contained in the seawater of source2、CO2、O2With Ar etc.), with two
Carbonoxide is measured, and in 3～5mg/L, outgassing rate reaches more than 95% to fixed gas air content after degassing.
Pre- deaerating tank 106 is arranged in sealing, and its top is provided with vavuum pump 108, to ensure to operate in certain vacuum
Under (usual vacuum needs more than 0.08Mpa), be made up of the material of seawater corrosion resistance.Pre- deaerating tank 106 includes cylinder or length
Cube cell body, the cloth water spray system for being installed on cell body internal upper part, the multiaspect baton round filler being installed in the middle part of in cell body, installation
The support water permeable device of bottom in cell body, and the intermediate water tank for being installed on cell body inner bottom part.
Electrolytic seawater device 204 is separated at the beginning of being provided with two outlets, the first separator 302 of the connection hydrogen of top exit 206, hydrogen
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
Connect.
Electrolytic seawater device 204 includes the vertical or horizontal type electrobath of several series operations, and design pressure is 0.6Mpa,
Seawater is entered from electrolytic cell bottom, and the seawater after electrolysis is discharged from upper part of the electrolytic cell.Electrolytic cell includes cell body, anode and negative electrode,
By the controllable sodium hypochlorite concentration of regulating electrolytic tank input current and hydrogen output.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 in anode precipitation chlorine and rapidly dissolving and water
Hydroxyl generate hypochlorite.Negative electrode is the low electrode of hydrogen-evolution overpotential, such as titanium or nickeliferous and transition metal molybdenum alloy coating
Titanium-based, water separates out hydrogen, and generates a large amount of hydroxyls in negative electrode.
Except the first separator 302 of hydrogen and wet hydrogen gas-holder 304, gas-liquid separation unit 30 also includes being arranged at wet hydrogen
Liquid level sensor 306 on the side wall of gas-holder 304, the flowmeter 308 and sodium hypochlorite that are arranged at the bottom of wet hydrogen gas-holder 304
Go out water regulating valve 310, be arranged at the safety discharge valve 312 and spark arrester 314 at the top of wet hydrogen gas-holder 304, and be arranged at
Hydrogen pressure regulating valve 316 between wet hydrogen gas-holder 304 and dechlorination demisting tank 402.
A preferred embodiment of the invention, by seawater force (forcing) pump 202, sodium hypochlorite water regulating valve 310 is gone out
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).
The internal solution of dechlorination demisting tank 402 is high alkali liquid, for example, can be more than 40% NaOH or potassium hydroxide
Solution.The top of dechlorination demisting tank 402 is provided with demister, and bottom is provided 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 fully contacted instead with alkali lye in floating-upward process
Should be to remove chlorine and part vapor, demister can be such that the hydrogenesis in wet hydrogen stay in tank into water droplet.In order to ensure
Dechlorination effect, needs the concentration of lye in regular sample examination dechlorination demisting tank 402, and alkali should be supplemented or changed less than 30%
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.
Hydrogen is entered in degasifier 406, degasifier 406 filled with palladium molecular sieve or activity from the outlet of freeze-dryer 404
Aluminum oxide plates palladium or other high efficiency deoxidisers, can remove trace oxygen.
The many water silicon aluminate crystals of powder filler shape or other high-efficiency dehydration agent in drier 408, to remove residual moisture.
A preferred embodiment of the invention, drier 408 is using double tower or multi-tower structure.
The filtering accuracy of hydrogen filter 409 be 0.3 μm, for filtering hydrogen in impurity composition, obtain purity
More than 99.99% high-purity hydrogen.
Refer to shown in Fig. 1, sodium hypochlorite of the present invention and high-purity hydrogen co-production are comprised the following steps：
1) seawater deaerates in advance：Seawater is input into pre- deaerating tank 106 by seawater cistern 102 by seawater water pump 104, true
In the presence of empty pump 108, the fixed gas contained in seawater (nitrogen, oxygen, carbon dioxide and argon gas) is tentatively removed.
2) electrolytic seawater：Seawater after pre- degassing carries out electricity under the driving of force (forcing) pump 202 into electrolytic seawater device 204
Solution, from upper part of the electrolytic cell hydrogen, just separator 302 is collected most of hydrogen, into wet hydrogen gas-holder 304, remaining hydrogen
Wet hydrogen gas-holder 304 is entered with the liquor natrii hypochloritis's mixing after electrolysis from upper outlet 208；
3) gas-liquid separation：Liquor natrii hypochloritis's Jing pipelines into wet hydrogen gas-holder 304 are input into nuclear power station recirculated water
Entrance is collected by appropriate ways, and wet hydrogen is collected to hydrogen purification unit from the Jing pipelines of wet hydrogen gas-holder 304；
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 through hydrogen filter 409
Impurity component is filtered, the hydrogen of purity more than 99.99% is obtained.
Understand with reference to above detailed description of the present invention, relative to 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, with advantages below：
1) preparation of liquor natrii hypochloritis and hydrogen is realized by a set of electrolytic seawater device distribution, without the need for water is separately configured
Electrolytic hydrogen production electrolytic cell and distribution rectifying installation, 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 is capable of achieving dredging and collecting for hydrogen to hydrogen, reduces air content in electrolytic cell group, increase electrolysis
Cell current density, improves electrolytic efficiency.
5) freeze drier is set before deoxidization technique, drying, purification and the filtration of wet hydrogen is capable of achieving, is extended deoxidation and is set
Standby service life.
6) electrolytic seawater device can be safeguarded by online pickling, without the need for periodically returning factory's overhaul, can effectively ensure that electric power factory equipment
Availability.
7) by additional supercharging filling equipment, realize that bottled hydrogen is produced, for hydrogen energy source production has important value.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, specific embodiment disclosed and described above is the invention is not limited in, to this
Some modifications and changes of invention should also be as falling in the scope of the claims of the present invention.Although additionally, this specification
Used in some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (16)
1. a kind of sodium hypochlorite and high-purity hydrogen co-production, it is characterised in that comprise the following steps：
1) seawater deaerates in advance：Seawater is input into into pre- degasser, fixed gas is removed；
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 circulation water inlet or collection, the hydrogen for obtaining is collected from wet hydrogen gas-holder；
4) hydrogen purification：Alkali liquor absorption, freeze-drying, deoxidation and drying in the dechlorinated demisting tank of hydrogen of collection, obtains high
Purity hydrogen.
2. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, it is characterised in that step 1) in, lead to
Cross vavuum pump and remove 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, it is characterised in that step 3) in, institute
Liquor natrii hypochloritis's concentration is stated for 1500ppm～2000ppm.
4. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, it is characterised in that the wet hydrogen gas-reservoir
Gas holder is provided with hydrogen pressure regulating valve and hydrogen gas exhaust valve.
5. sodium hypochlorite according to claim 1 and high-purity hydrogen co-production, it is characterised in that step 4) in, institute
Alkali lye is stated for NaOH that mass concentration is 40～50% or potassium hydroxide solution.
6. a kind of sodium hypochlorite and high-purity hydrogen co-generation system, it is characterised in that include：
Seawater deaerates in advance unit, including seawater cistern, seawater water pump and top are provided with the pre- deaerating tank of vavuum pump；
Electrolytic seawater unit, including seawater force (forcing) pump and electrolytic seawater device；
Gas-liquid separation unit, including the first separator 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, it is characterised 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, it is characterised in that the seawater pressurization
Pump is variable frequency pump.
9. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, it is characterised 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, it is characterised in that the gas-liquid point
Also include the liquid level sensor being arranged on the wall of wet hydrogen gas-holder side, the flow for being arranged at wet hydrogen gas-holder bottom from unit
Meter and sodium hypochlorite go out water regulating valve, and the safety discharge valve that is arranged at the top of wet hydrogen gas-holder and Hydrogen Vapor Pressure are adjusted
Valve.
11. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, it is characterised 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 through the first separator of hydrogen
The wet hydrogen gas-holder is entered with pipeline.
12. sodium hypochlorite according to claim 11 and high-purity hydrogen co-generation system, it is characterised in that the wet hydrogen
Gas-holder is also directly connected by pipeline with electrolytic seawater device, the seawater containing sodium hypochlorite and hydrogen partial Jing pipelines after electrolysis
Flow directly into wet hydrogen gas-holder.
13. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, it is characterised 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, it is characterised 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, it is characterised in that the drier
The many water silicon aluminate crystals of interior powder filler shape, using double tower or multi-tower structure.
16. sodium hypochlorite according to claim 6 and high-purity hydrogen co-generation system, it is characterised in that the hydrogen mistake
The filtering accuracy of filter is less than 0.3 μm.
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| CN111094630A (en) * | 2017-09-07 | 2020-05-01 | 迪诺拉永久电极股份有限公司 | Electrolysis device |
| CN112630377A (en) * | 2020-11-26 | 2021-04-09 | 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 |
| 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 |
| WO2021129566A1 (en) * | 2019-12-25 | 2021-07-01 | 乔治洛德方法研究和开发液化空气有限公司 | Device and method for preparing high-purity hydrogen and/or oxygen by electrolyzing water |
| 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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