CN206692750U - A kind of water electrolysis hydrogen producing electrolysis unit - Google Patents
A kind of water electrolysis hydrogen producing electrolysis unit Download PDFInfo
- Publication number
- CN206692750U CN206692750U CN201720292368.9U CN201720292368U CN206692750U CN 206692750 U CN206692750 U CN 206692750U CN 201720292368 U CN201720292368 U CN 201720292368U CN 206692750 U CN206692750 U CN 206692750U
- Authority
- CN
- China
- Prior art keywords
- electrolytic cell
- cylinder
- oxygen
- hydrogen producing
- end plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model provides a kind of water electrolysis hydrogen producing electrolysis unit, including electrolytic cell, cylinder is cased with outside the electrolytic cell, oxygen bleed line is provided with cavity between the cylinder and electrolytic cell, hydrogen escape pipe is connected with electrolytic cell, the hydrogen of the electrolytic cell output is out directly entered using workshop by hydrogen escape pipe, the oxygen of electrolytic cell output is entered in steam-water separator by oxygen equilibrium pipe one, remove the vapor and water in oxygen, oxygen after water removal is entered back into the cavity between cylinder and electrolytic cell by oxygen equilibrium pipe two, discharged finally by oxygen bleed line, the utility model using self-balance structure and oxygen as balanced gas in a manner of solve the problems, such as the Sealing Technology deficiency of existing middle pressure water electrolysis hydrogen producing electrolytic cell.
Description
Technical field
It the utility model is related to hydro-electrolytic hydrogen production device, and in particular to a kind of water electrolysis hydrogen producing electrolysis unit.
Background technology
It is well known that improve water electrolysis hydrogen producing process operating pressure be improve electrolytic efficiency it is a kind of it is both economical, have
One of approach of effect.Between the operating pressure of traditional water electrolysis hydrogen producing water electrolyser typically uses 0.1MPa~1.6MPa, it is
The water electrolysis hydrogen producing industry outside electrolytic efficiency Now Domestic is improved, operating pressure is improved 3.0MPa~3.5MPa, highest by some
Not over 3.5MPa, and the safe contradiction of electrolytic cell sealing higher than 3.5MPa high-voltage operations will be protruded further, turn into restriction
Pinch technology.
Because the volume energy density of hydrogen is very low, hydrogen all needs to exist through over pressurizeed in industrial every field practical application
Stored and transported under high bulk density, to increase corresponding equipment and operating cost.With domestic and international scientific and technological progress, newly
Technology, new technology, new equipment continue to develop, and the application of hydrogen there has also been new expansion, and some chemical industries are desirable to provide pressure
Power>3.5MPa hydrogen sources connection supply, as the high-quality reducing agent or unstripped gas of chemical industry operation process, in such background
Under,>The development experiments research work of the Sealing Technology of the high-pressure water electrolysis groove of 3.5MPa operating pressures, causes and more pays close attention to.
The encapsulating method of the water electrolysis hydrogen producing electrolytic cell of prior art, generally all use the preferable polytetrafluoro rubber of alkali resistance
Or the flat board grommet type seal that ethylene propylene diene rubber makes, by the fastening force of screw rod, the pole plate frame pressure of sealing gasket both sides will be set up
Tightly, the sealing between two adjacent face is realized.Sealed if necessary to improve electric tank working pressure, traditional approach
It is the further thrust increased to seal, to improve its sealing effectiveness, but this existing Sealing Technology is following there is having
Deficiency：
（1）Sealing effectiveness is improved by increase thrust, certainly will be with the compress variation for causing rubber packing material
Increase, reduce springback capacity under condition of work, excessive thrust and compressed shape variable at initial stage, often cause rubber seal
Initial failure.
（2）During plate rubber seal is on active service under impaction state, compression creep contraction distortion can be all produced, is pressed
Clamp force is bigger, and the bright increasing of Creep Deformation and creep speed can be caused to accelerate, often feeding is carried out using increase disc spring quantity, loosen
Speed also hard to work.
Utility model content
The purpose of this utility model is the problem of overcoming the Sealing Technology deficiency of existing middle pressure water electrolysis hydrogen producing electrolytic cell, to carry
The potential market of current chemical industry market development and Future Development is adapted to for a kind of water electrolysis hydrogen producing electrolysis unit to high pressure
Hydrogen manufacturing, the demand directly supplied, by improve it is existing electrolysis slot sealing arrangement form, by multigroup sealing principle be converted into two groups it is close
Principle is sealed, to improve the sealing effectiveness under the operating pressure of equipment, to meet>The high pressure water electrolysis system of 3.5MPa operating pressures
Hydrogen electrolytic cell seal request, and then electrolytic efficiency can be improved.
The technical solution of the utility model there is provided a kind of water electrolysis hydrogen producing electrolysis unit, including electrolytic cell, the electricity
Cylinder is cased with outside solution groove, oxygen bleed line is provided with the cavity between the cylinder and electrolytic cell, hydrogen is connected with electrolytic cell
Gas escape pipe.
The cylinder both ends are connected to end plate, and oxygen bleed line and the hydrogen escape pipe is all connected to through end plate
Cylindrical outer.
The cylindrical outer is provided with steam-water separator, is connected with oxygen equilibrium pipe one on the steam-water separator and oxygen is put down
Weigh pipe two, and the oxygen equilibrium pipe one connect through end plate with electrolytic cell, the oxygen equilibrium pipe two pass through end plate and cylinder and
Cavity connection between electrolytic cell.
The cylinder welds the cylindrical structure to be formed using integral type.
The cylinder both ends are all welded with flange, and flange is tightly connected with end plate.
Sealing gasket is provided between the flange and end plate at the cylinder both ends.
Also tensed between the cylinder both ends and end plate by pull bar.
The beneficial effects of the utility model：
（1）This water electrolysis hydrogen producing electrolysis unit of the present utility model uses self-balancing sealing principle, electrolytic cell output
Oxygen is discharged into the cavity between capsul and electrolytic cell first, and self-balancing effect is formed using the oxygen of output, then by cavity
It is expelled to by Seal end plate outside electrolytic cell, the electrolysis unit can work as electrolysis to the gas self-balancing sealing function of high pressure
When groove operating pressure improves, electrolyte bath and outside pressure also improve therewith, and electrolytic cell sealing effectiveness is not stressed supercharging
Influence, it is possible thereby to meet operating pressure>The seal request of 3.5MPa electrolytic cells.
（2）This water electrolysis hydrogen producing electrolysis unit of the present utility model is used as balanced gas using self-balance structure and oxygen
Mode solves the problems, such as the Sealing Technology deficiency of existing middle pressure water electrolysis hydrogen producing electrolytic cell, is adapted to and meets>3.5MPa
The sealing of water electrolysis hydrogen producing electrolytic cell under operating pressure, it can meet what high-pressure hydrogen production caused by some emerging chemical industry directly supplied
Demand, reduce storage of higher pressures and high-pressure transport link and caused energy consumption and operating cost, accordingly create social benefit.
（3）This water electrolysis hydrogen producing electrolysis unit of the present utility model welds the cylinder to be formed by cylinder using integral type
Structure, electrolytic cell are positioned over inside sealed cylindrical, and with end plate sealed cylindrical both ends, only form two sealing surfaces, solve original
Oily equipment sealing surface is more, the problem of sealing effectiveness difference.Because the end plate intensity of sealing is high, the end plate uses high intensity carbon steel
Plate, end plate intensity is depending on design pressure.
（4）This water electrolysis hydrogen producing electrolysis unit of the present utility model by being all welded with flange at cylinder both ends, flange with
End plate is tightly connected, and can be completed by traditional flange seal, sealing effectiveness can reach more than 10mpa.
（5）This water electrolysis hydrogen producing electrolysis unit of the present utility model and its method pass through the flange at cylinder both ends and end
Sealing gasket is provided between plate, is also tensed between cylinder both ends and end plate by pull bar, further increases sealing effectiveness.
（6）This water electrolysis hydrogen producing electrolysis unit electrolytic cell of the present utility model is using traditional mesolow electrolytic cell
Can, electrolytic cell is sealed using tie-rod, without carrying out the sealing structure of complicated technology to electrolytic cell.It also is provided with electrolytic cell more
The sealing of individual sealing gasket, by drum closure outside electrolytic cell, this self-balancing sealing structure causes sealing gasket on electrolytic cell not
It must use and be on active service under too high thrust, extend the service life of sealing gasket, while structure can also be simplified, height can also be met
The sealing of pressure water electrolysis hydrogen producing electrolytic cell.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model water electrolysis hydrogen producing electrolysis unit.
Description of reference numerals：1st, oxygen bleed line；2nd, hydrogen escape pipe；3rd, end plate；4th, cylinder；5th, electrolytic cell；6th, oxygen
Balance pipe one；7th, steam-water separator；8th, oxygen equilibrium pipe two.
Embodiment
Embodiment 1：
The problem of in order to overcome the Sealing Technology deficiency of existing middle pressure water electrolysis hydrogen producing electrolytic cell, present embodiments provide one
Water electrolysis hydrogen producing electrolysis unit as shown in Figure 1, including electrolytic cell 5 are planted, cylinder 4, the cylinder are cased with outside the electrolytic cell 5
Oxygen bleed line 1 is provided with cavity between 4 and electrolytic cell 5, hydrogen escape pipe 2 is connected with electrolytic cell 5.
The both ends of cylinder 4 are connected to end plate 3, and the oxygen bleed line 1 and hydrogen escape pipe 2 all pass through end plate 3
It is connected to outside cylinder 4.
The outside of cylinder 4 is provided with steam-water separator 7, and oxygen equilibrium pipe 1 and oxygen are connected with the steam-water separator 7
Gas balance pipe 28, the oxygen equilibrium pipe 1 connect through end plate 3 with electrolytic cell 5, and the oxygen equilibrium pipe 28 passes through end plate
Cavity between 3 and cylinder 4 and electrolytic cell 5 connects, and forms self-balance structure, balanced gas are used as using oxygen.
This water electrolysis hydrogen producing electrolytic method provided by the utility model is as follows：
The hydrogen of the output of electrolytic cell 5 is out directly entered using workshop, the oxygen of the output of electrolytic cell 5 by hydrogen escape pipe 2
Gas is entered in steam-water separator 7 by oxygen equilibrium pipe 1, removes vapor and water in oxygen, and the oxygen after water removal passes through
Oxygen equilibrium pipe 28 is entered back into the cavity between cylinder 4 and electrolytic cell 5, is discharged finally by oxygen bleed line 1.
The electrolytic cell 5 uses traditional mesolow electrolytic cell, middle pressure electrolytic cell bear pressure for 1.6MPa~
10MPa, it is 0.1MPa~1.6MPa that low-voltage electrolysis groove, which bears pressure, and electrolytic cell 5 is sealed using tie-rod, without to electrolytic cell
5 carry out the sealing structure of complicated technology, and multiple sealing gaskets also are provided with electrolytic cell 5 and are sealed, close by cylinder outside electrolytic cell 5
Envelope, this self-balancing sealing structure cause the sealing gasket on electrolytic cell 5 need not use to be on active service under too high thrust, extend sealing
The service life of pad, while structure can also be simplified, the sealing of high pressure water electrolysis hydrogen producing electrolytic cell can also be met.
This water electrolysis hydrogen producing electrolysis unit of the present utility model uses self-balancing sealing principle, the oxygen of electrolytic cell output
It is discharged into first in the cavity between capsul and electrolytic cell, forms self-balancing effect using the oxygen of output, then passed through by cavity
Seal end plate is expelled to outside electrolytic cell, and the electrolysis unit can be to the gas self-balancing sealing function of high pressure, when electrolytic cell work
When making pressure raising, electrolyte bath and outside pressure are also improved therewith, and electrolytic cell sealing effectiveness, which is not stressed to be pressurized, to be influenceed,
It is possible thereby to meet operating pressure>The seal request of 3.5MPa electrolytic cells.
This water electrolysis hydrogen producing electrolysis unit of the present utility model is used as the side of balanced gas using self-balance structure and oxygen
Formula solves the problems, such as the Sealing Technology deficiency of existing middle pressure water electrolysis hydrogen producing electrolytic cell, is adapted to and meets>3.5MPa work
Make the sealing of water electrolysis hydrogen producing electrolytic cell under pressure, the need that high-pressure hydrogen production caused by some emerging chemical industry directly supplies can be met
Ask, reduce storage of higher pressures and high-pressure transport link and caused energy consumption and operating cost, accordingly create social benefit.
Embodiment 2：
On the basis of embodiment 1, a kind of water electrolysis hydrogen producing electrolysis unit as shown in Figure 1, institute are present embodiments provided
To state cylinder 4 and the cylindrical structure to be formed is welded using integral type, electrolytic cell is positioned over inside sealed cylindrical, and with end plate sealed cylindrical
Both ends, two sealing surfaces are only formed, it is more to solve crude apparatus sealing surface, the problem of sealing effectiveness difference.Due to the end plate of sealing
Intensity is high, and the end plate 3 uses high strength carbon steel plate, and the intensity of end plate 3 is depending on design pressure.
The both ends of cylinder 4 are all welded with flange, and flange is tightly connected with end plate 3, can be complete by traditional flange seal
Into sealing effectiveness can reach more than 10mpa.
In order to further increase sealing effectiveness, sealing gasket is provided between the flange and end plate 3 at the both ends of cylinder 4, it is described
Also tensed between the both ends of cylinder 4 and end plate 3 by pull bar.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.
Claims (7)
1. a kind of water electrolysis hydrogen producing electrolysis unit, including electrolytic cell（5）, it is characterised in that：The electrolytic cell（5）Outside is cased with justifying
Cylinder（4）, the cylinder（4）With electrolytic cell（5）Between cavity in be provided with oxygen bleed line（1）, electrolytic cell（5）On be connected with hydrogen
Gas escape pipe（2）.
2. water electrolysis hydrogen producing electrolysis unit as claimed in claim 1, it is characterised in that：The cylinder（4）Both ends connect respectively
There is end plate（3）, the oxygen bleed line（1）With hydrogen escape pipe（2）All pass through end plate（3）It is connected to cylinder（4）It is outside.
3. water electrolysis hydrogen producing electrolysis unit as claimed in claim 1, it is characterised in that：The cylinder（4）Outside is provided with carbonated drink
Separator（7）, the steam-water separator（7）On be connected with oxygen equilibrium pipe one（6）With oxygen equilibrium pipe two（8）, the oxygen
Balance pipe one（6）Through end plate（3）With electrolytic cell（5）Connection, the oxygen equilibrium pipe two（8）Through end plate（3）With cylinder（4）
With electrolytic cell（5）Between cavity connection.
4. water electrolysis hydrogen producing electrolysis unit as claimed in claim 1, it is characterised in that：The cylinder（4）Welded using integral type
Connect the cylindrical structure to be formed.
5. water electrolysis hydrogen producing electrolysis unit as claimed in claim 2, it is characterised in that：The cylinder（4）Both ends are all welded with method
Orchid, flange and end plate（3）It is tightly connected.
6. water electrolysis hydrogen producing electrolysis unit as claimed in claim 5, it is characterised in that：The cylinder（4）The flange at both ends with
End plate（3）Between be provided with sealing gasket.
7. water electrolysis hydrogen producing electrolysis unit as claimed in claim 2, it is characterised in that：The cylinder（4）Both ends and end plate（3）
Between also tensed by pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292368.9U CN206692750U (en) | 2017-03-24 | 2017-03-24 | A kind of water electrolysis hydrogen producing electrolysis unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292368.9U CN206692750U (en) | 2017-03-24 | 2017-03-24 | A kind of water electrolysis hydrogen producing electrolysis unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206692750U true CN206692750U (en) | 2017-12-01 |
Family
ID=60444269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720292368.9U Active CN206692750U (en) | 2017-03-24 | 2017-03-24 | A kind of water electrolysis hydrogen producing electrolysis unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206692750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801232A (en) * | 2017-03-24 | 2017-06-06 | 陕西华秦新能源科技有限责任公司 | A kind of water electrolysis hydrogen producing electrolysis unit and its method |
-
2017
- 2017-03-24 CN CN201720292368.9U patent/CN206692750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801232A (en) * | 2017-03-24 | 2017-06-06 | 陕西华秦新能源科技有限责任公司 | A kind of water electrolysis hydrogen producing electrolysis unit and its method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102317505B (en) | High pressure electrolyser | |
| CN202484592U (en) | Hydrogen-supplying system for fuel cell | |
| CN104911626B (en) | A kind of high pressure water electrolysis hydrogen producing electrolytic cell | |
| CN106410251B (en) | A kind of dismountable plate battery series-connected cell pile structure | |
| CN206692750U (en) | A kind of water electrolysis hydrogen producing electrolysis unit | |
| CN106801232A (en) | A kind of water electrolysis hydrogen producing electrolysis unit and its method | |
| CN114182295B (en) | Automatic nitrogen replacement device and method for electrolytic water hydrogen production system | |
| CN202691020U (en) | Ultrahigh-pressure container wall structure | |
| CN206922366U (en) | A kind of rack integrated form cable through sealing device | |
| CN218561628U (en) | Hydrogen production and hydrogenation process system based on photovoltaic power generation along highway | |
| CN217662429U (en) | Double-tower type pressure equalizing structure for oxygen production equipment | |
| CN206669713U (en) | A kind of photo-thermal superheater shell-side divides journey sealing device | |
| CN215481316U (en) | Hydraulic pressure booster-type sealed electrochemical cell | |
| CN216250841U (en) | Press-fit device for lithium battery production and processing | |
| CN214572257U (en) | Hydrogen recovery device system for hydrogen production by renewable energy sources | |
| CN210739950U (en) | Power station pressurization hydrogen storage and decompression hydrogen transmission power generation device | |
| JP2005324584A (en) | Intermediate and high pressure hydrogen supply method and its device | |
| CN208366538U (en) | A kind of device for generator amature brake oil test | |
| CN2887406Y (en) | Endurable composite type diaphragm filter plate | |
| CN201780036U (en) | Sealing head device for graphite heat exchanger | |
| CN202359208U (en) | Hydrogen-oxygen generator | |
| CN216864346U (en) | Double-side water supply PEM electrolytic tank hydrogen production system | |
| CN201969463U (en) | One-step method unpowered pressure swing adsorption device | |
| CN212085149U (en) | Hydrogen fuel cell power supply device | |
| CN205773311U (en) | The defective hydrogen of recoverable and the PSA hydrogen generating system of hydrogen more than needed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |