CN107085017A - A kind of electrolytic tank of solid oxide electrochemical property test system - Google Patents
A kind of electrolytic tank of solid oxide electrochemical property test system Download PDFInfo
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- CN107085017A CN107085017A CN201710171559.4A CN201710171559A CN107085017A CN 107085017 A CN107085017 A CN 107085017A CN 201710171559 A CN201710171559 A CN 201710171559A CN 107085017 A CN107085017 A CN 107085017A
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- hydrogen electrode
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- inlet pipe
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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Abstract
The invention discloses a kind of electrolytic tank of solid oxide electrochemical property test system, including hydrogen electrode air chamber, ceramic ring and three-in-one electrode, glass capsulation ring is provided between three-in-one electrode and hydrogen electrode air chamber top, hydrogen electrode air chamber bottom is provided with ring flange, the hydrogen electrode air chamber is integral type with ring flange, ring flange is provided with air inlet pipe and escape pipe, the air inlet pipe and escape pipe and ring flange are integral type and material is silicon carbide ceramics, several fin are provided with the tube wall of air inlet pipe and escape pipe lower end, the ring flange center wears a hydrogen electrode fairlead, provided with a hydrogen electrode lead in the middle part of hydrogen electrode fairlead, contacted at the top of hydrogen electrode lead with the hydrogen electrode on three-in-one electrode, the oxygen electrode of three-in-one electrode upper end connects with an oxygen electrode lead.The test system simple installation, air-tightness are high, can effectively improve the security and accuracy of high-temperature oxide electrolytic cell test.
Description
Technical field
The present invention relates to high-temperature oxide electrolytic cell field, and in particular to a kind of electrolytic tank of solid oxide chemical property
Test system.
Background technology
Mainly two kinds of methane steam reforming (SMR) and the water electrolysis hydrogen producing of extensive hydrogen manufacturing can be industrially realized at present
Method.The former consumes a large amount of fossil fuels, while discharging a large amount of CO2；The latter is relatively expensive, poorly efficient and power generation process in big portion
Dividing also may all discharge CO2.Therefore existing hydrogen producing technology can not all meet following hydrogen economy to it is extensive, sustainable, cleaning,
The demand of efficient hydrogen producing technology.And high temperature steam electrolytic hydrogen manufacturing technology is using high-temperature solid oxide electrolytic cell and combines High Efficiency Thermal
Source hydrogen manufacturing, theoretical hydrogen production efficiency can be up to more than 50%, be to meet the optimal extensive hydrogen producing technology of following hydrogen economy
One of.High temperature steam electrolytic hydrogen manufacturing electrode testing device is to be used to study electrolytic cell each several part constituent material, electrolytic cell preparation work
Skill, electrolytic cell performance and high-temperature electrolysis process for making hydrogen and analysis and test device essential in terms of optimization.But high temperature
Steam electrolytic hydrogen manufacturing is in high temperature (700~1000 DEG C), the working environment of high humidity, and metal material can not be realized in the hot environment
Lower steady operation, even if using fire resistant special type Steel material, it is also difficult to meet steady in a long-term under this high temperature and super-humid conditions
The requirement of operation.
On May 28th, 2017, the patent of invention applied by Tsing-Hua University：High temperature steam electrolytic hydrogen manufacturing electrode testing device,
Patent No. CN200710099671.8 discloses one kind and can solve the problem that material corrosion problem and test system sealing problem
Test device, using inner ceramic material by the way of external metal material is combined, the air inlet in hydrogen electrode air chamber is with going out
Gas earthenware is respectively embedded into the air inlet outside hydrogen electrode air chamber and in outlet metal tube, hydrogen electrode air chamber bottom uses flange seal.
But the test device is made up of multiple parts, its installation process complexity is cumbersome, easily operational error shadow occurs in installation process
The air-tightness of whole device is rung, and air inlet and outlet earthenware are connected by embedded mode with air inlet and outlet metal tube, and lead to
Encapsulant sealing is crossed, because air inlet and outlet earthenware temperature are higher, thus high is required to the heat-resisting quantity of encapsulant, one
As rubber based elastic encapsulant be difficult to bear high temperature, and metal tube is in long term high temperature and the alternation procedure of normal temperature environment
In, easily there is slight crack and loosening in its connection between ring flange, and during long-term use, air-tightness is difficult to be guaranteed,
Hydrogen leak is easily caused, test result is influenceed, or even can also trigger security incident.On the other hand, due to hydrogen electrode lead and
Oxygen electrode lead needs to be welded on three-in-one electrode using platinum slurry or silver paste, and operating difficulties, success rate is low, further increases
Installation difficulty, if test midway contact conductor comes off, has a strong impact on the accuracy of test result.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention discloses a kind of electrolytic tank of solid oxide electrochemical property test system
System, the test system simple installation, air-tightness are high, can effectively improve the security of electrolytic tank of solid oxide test and accurate
Property.
The present invention is achieved through the following technical solutions：
A kind of electrolytic tank of solid oxide electrochemical property test system, including hydrogen electrode air chamber, on hydrogen electrode air chamber top
End is provided with ceramic ring, and ceramic ring is embedded in a three-in-one electrode, and glass is provided between three-in-one electrode and hydrogen electrode air chamber top
Sealing ring, hydrogen electrode air chamber bottom is provided with ring flange, and the hydrogen electrode air chamber is integral type with ring flange, and ring flange is provided with air inlet
Pipe and escape pipe, the air inlet pipe and escape pipe and ring flange are integral type and material is silicon carbide ceramics, air inlet pipe and are gone out
Tracheae is located to connect a metal air inlet pipe and metal escape pipe, the pipe in air inlet pipe and escape pipe lower end respectively on the downside of ring flange
Wall is provided with the top of several fin, the metal air inlet pipe and metal escape pipe is slightly larger than air inlet pipe and escape pipe provided with diameter
Groove, groove inner wall is fixed with elastic seal ring, passes through between air inlet pipe and escape pipe and metal air inlet pipe and metal escape pipe
Groove is connected, and the ring flange center is worn draws in the middle part of a hydrogen electrode fairlead, hydrogen electrode fairlead provided with a hydrogen electrode
Contacted at the top of line, hydrogen electrode lead with the hydrogen electrode on three-in-one electrode, the oxygen electrode of three-in-one electrode upper end and an oxygen electricity
Pole lead connects.
The present invention is being easy to soon by the way that hydrogen electrode air chamber, ring flange, air inlet pipe and escape pipe are set into integral structure
Ensure the reliability and air-tightness being connected with each other between hydrogen electrode air chamber, ring flange, air inlet pipe and escape pipe while speed is installed, have
The possibility of effect reduction hydrogen electrode gas indoor gas leakage, air inlet pipe and escape pipe are silicon carbide ceramics material, and it has good
Heat conductivility, by setting several fin in air inlet pipe and escape pipe lower end, effectively by air inlet pipe and the heat of escape pipe lower end
Amount is distributed, thus effectively reduction air inlet pipe, escape pipe and metal air inlet pipe and the temperature of metal escape pipe joint, makes gold
Belong to the elastic seal ring in air inlet pipe and metal escape pipe groove not by high temperature failure, it is to avoid the metal air inlet pipe of metal material with
Metal escape pipe produces deformation or corrosion because of high temperature, adds air inlet pipe, escape pipe and metal air inlet pipe and metal escape pipe connects
The reliability and air-tightness connect, makes whole device have better seal and security, effectively improves solid oxide electrolyte
The accuracy of pond test.
The ceramic top surface of ring is provided with the annular groove concentric with ceramic ring, and the annular groove is made pottery by screw thread and one
Porcelain cutting ferrule is connected, and ceramic cutting ferrule is circle, and center is provided with the circular hole matched with oxygen electrode lead, and its outer rim is vertically provided with positioning
Ring, the locating ring is matched provided with screw thread and with annular groove, and the oxygen electrode lead passes through located at oxygen electricity with three-in-one electrode
The rectangle contact one of pole lead bottom connects, and rectangle contact one is located at below ceramic cutting ferrule circular hole and more than Circularhole diameter.
Oxygen electrode lead is limited in circular hole by the present invention using ceramic cutting ferrule, and ceramics are fastened in into the annular recessed of ceramic ring
Rotated in groove, rectangle contact is pressed on three-in-one electrode, it is to avoid its pine by the height of the ceramic cutting ferrule of regulation using ceramic cutting ferrule
It is dynamic.
The hydrogen electrode lead bottom of the tube is provided with the middle part of sealing-plug, the sealing-plug and is provided with hydrogen electrode lead mounting hole, hydrogen
Contact conductor is provided with rectangle contact two in hydrogen electrode lead mounting hole at the top of the hydrogen electrode lead, hydrogen electrode lead leads to
Rectangle contact two is crossed with three-in-one electrode to connect.
The present invention makes rectangle contact two and three-in-one electrode phase by adjusting height of the sealing-plug in hydrogen electrode fairlead
Meet place.
Further, the elastic seal ring material is heat resistant rubber.The hydrogen electrode gas chamber outer wall is provided with fixing device, hydrogen
Electrode air chamber is arranged on body of heater center by fixing device.Quality of rubber materials has good air-tightness, can effectively improve this hair
Bright sealing and reliability.
The present invention compared with prior art, has the following advantages and advantages：
A kind of electrolytic tank of solid oxide electrochemical property test system of the present invention, by by hydrogen electrode air chamber, ring flange,
Air inlet pipe and escape pipe are set to integral structure, ensure hydrogen electrode air chamber, ring flange, air inlet while Fast Installation is easy to
The possibility of the reliability and air-tightness being connected with each other between pipe and escape pipe, the effectively leakage of reduction hydrogen electrode gas indoor gas, air inlet
Pipe and escape pipe are silicon carbide ceramics material, and it has Thermal conductivity, by being set in air inlet pipe and escape pipe lower end
Several fin, effectively distribute the heat of air inlet pipe and escape pipe lower end, thus effectively reduction air inlet pipe, escape pipe and
Metal air inlet pipe and the temperature of metal escape pipe joint, make metal air inlet pipe and the elastic seal ring in metal escape pipe groove
Not by high temperature failure, it is to avoid the metal air inlet pipe of metal material, because high temperature produces deformation or corrosion, is added with metal escape pipe
Air inlet pipe, escape pipe and metal air inlet pipe and the reliability and air-tightness of the connection of metal escape pipe, have whole device more preferable
Sealing and security, effectively improve electrolytic tank of solid oxide test accuracy.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at B in Fig. 1 of the present invention；
Fig. 3 is enlarged drawing at A in Fig. 1 of the present invention；
Mark and corresponding parts title in accompanying drawing：
1- hydrogen electrode air chambers, 2- ceramic rings, 21- annular grooves, 3- three-in-one electrodes, 4- glass capsulation rings, 5- ring flanges,
51- air inlet pipe, 52- escape pipes, 53- fin, 54- hydrogen electrode fairleads, 55- sealing-plugs, 6- metal air inlet pipe, 7- metals go out
Tracheae, 8- grooves, 81- elastic seal rings, 9- hydrogen electrode leads, 91- rectangle contacts two, 10- oxygen electrode leads, 101- rectangles are touched
It is first, 11- ceramics cutting ferrules, 111- circular holes, 112- locating rings, 12- fixing devices, 13- bodies of heater.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As Figure 1-3, a kind of electrolytic tank of solid oxide electrochemical property test system of the invention, including hydrogen electrode gas
Room 1, ceramic ring 2 is provided with the top of hydrogen electrode air chamber 1, and ceramic ring 2 is embedded in a three-in-one electrode 3, three-in-one electrode 3 and hydrogen
Glass capsulation ring 4 is provided between the top of electrode air chamber 1, the bottom of hydrogen electrode air chamber 1 is provided with ring flange 5, the hydrogen electrode air chamber 1 and method
Blue disk 5 is integral type, and ring flange 5 is provided with air inlet pipe 51 and escape pipe 52, and the air inlet pipe 51 and escape pipe 52 are with ring flange 5
Integral type and material are silicon carbide ceramics, and air inlet pipe 51 and escape pipe 52 connect a metal respectively at the downside of ring flange 5
Air inlet pipe 6 and metal escape pipe 7, are provided with several fin 53, the gold on the tube wall of air inlet pipe 51 and the lower end of escape pipe 52
Belong to air inlet pipe 6 and the top of metal escape pipe 7 provided with diameter slightly larger than air inlet pipe 51 and the groove 8 of escape pipe 52, the inwall of groove 8 is consolidated
Fixed flexible sealing ring 81, is connected between air inlet pipe 51 and escape pipe 52 and metal air inlet pipe 6 and metal escape pipe 7 by groove 8,
The center of ring flange 5 wears a hydrogen electrode fairlead 54, and the middle part of hydrogen electrode fairlead 54 is provided with a hydrogen electrode lead 9,
The top of hydrogen electrode lead 9 is contacted with the hydrogen electrode on three-in-one electrode 3, the oxygen electrode of the upper end of three-in-one electrode 3 and an oxygen electricity
Pole lead 10 connects.
The top surface of ceramic ring 2 be provided with the annular groove 21 concentric with ceramic ring 2, the annular groove 21 by screw thread with
One ceramic cutting ferrule 11 is connected, and ceramic cutting ferrule 11 is circle, and the ceramic center of cutting ferrule 11 is provided with the circle matched with oxygen electrode lead 10
Hole 111, its outer rim is vertically provided with locating ring 112, and the locating ring 112 is provided with screw thread and is matched with annular groove 21, the oxygen
Contact conductor 10 is connected with three-in-one electrode 3 by the rectangle contact 1 located at the bottom of oxygen electrode lead 10, rectangle contact one
101 located at the lower section of 11 circular hole of ceramic cutting ferrule 111 and more than the diameter of circular hole 111.
The bottom of hydrogen electrode fairlead 54 is provided with sealing-plug 55, and the middle part of sealing-plug 55 is installed provided with hydrogen electrode lead
Hole, hydrogen electrode lead 9 is in hydrogen electrode lead mounting hole, and the top of hydrogen electrode lead 9 is provided with rectangle contact 2 91, hydrogen electricity
Pole lead 9 is connected by rectangle contact 2 91 with three-in-one electrode 3.Further, the material of elastic seal ring 81 is heat-resisting rubber
Glue.The outer wall of hydrogen electrode air chamber 1 is provided with fixing device 12, and hydrogen electrode air chamber 1 is arranged in body of heater 13 by fixing device 12
The heart.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (4)
1. a kind of electrolytic tank of solid oxide electrochemical property test system, including hydrogen electrode air chamber, on hydrogen electrode air chamber top
Provided with ceramic ring, ceramic ring is embedded in a three-in-one electrode, close provided with glass between three-in-one electrode and hydrogen electrode air chamber top
Seal ring, hydrogen electrode air chamber bottom is provided with ring flange, it is characterised in that the hydrogen electrode air chamber is integral type, flange with ring flange
Disk is provided with air inlet pipe and escape pipe, and the air inlet pipe and escape pipe and ring flange are integral type and material is silicon carbide ceramics,
Air inlet pipe and escape pipe are located to connect a metal air inlet pipe and metal escape pipe respectively on the downside of ring flange, in air inlet pipe and outlet
The tube wall of pipe lower end is provided with the top of several fin, the metal air inlet pipe and metal escape pipe is slightly larger than air inlet provided with diameter
The groove of pipe and escape pipe, groove inner wall is fixed with elastic seal ring, and air inlet pipe and escape pipe go out with metal air inlet pipe and metal
Connected between tracheae by groove, the ring flange center, which is worn, is provided with one in the middle part of a hydrogen electrode fairlead, hydrogen electrode fairlead
Contacted at the top of root hydrogen electrode lead, hydrogen electrode lead with the hydrogen electrode on three-in-one electrode, the oxygen electrode of three-in-one electrode upper end
Connect with an oxygen electrode lead.
2. a kind of electrolytic tank of solid oxide electrochemical property test system according to claim 1, it is characterised in that institute
Ceramic top surface of ring is stated provided with the annular groove concentric with ceramic ring, the annular groove passes through screw thread and a ceramic cutting ferrule phase
Even, ceramic cutting ferrule is circle, and center is provided with the circular hole matched with oxygen electrode lead, and its outer rim is vertically provided with locating ring, described fixed
Position is equipped with screw thread and matched with annular groove, and the oxygen electrode lead passes through located at oxygen electrode lead bottom with three-in-one electrode
Rectangle contact one connect, rectangle contact one is located at below ceramic cutting ferrule circular hole and more than Circularhole diameter.
3. a kind of electrolytic tank of solid oxide electrochemical property test system according to claim 1 or 2, its feature exists
In the hydrogen electrode lead bottom of the tube is provided with the middle part of sealing-plug, the sealing-plug and is provided with hydrogen electrode lead mounting hole, and hydrogen electrode draws
Line is provided with rectangle contact two in hydrogen electrode lead mounting hole at the top of the hydrogen electrode lead, hydrogen electrode lead passes through rectangle
Contact two connects with three-in-one electrode.4th, a kind of electrolytic tank of solid oxide chemical property according to claim 3 is surveyed
Test system, it is characterised in that the elastic seal ring material is heat resistant rubber.
4. a kind of electrolytic tank of solid oxide electrochemical property test system according to claim 3, it is characterised in that institute
Hydrogen electrode gas chamber outer wall is stated provided with fixing device, hydrogen electrode air chamber is arranged on body of heater center by fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171559.4A CN107085017A (en) | 2017-03-22 | 2017-03-22 | A kind of electrolytic tank of solid oxide electrochemical property test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171559.4A CN107085017A (en) | 2017-03-22 | 2017-03-22 | A kind of electrolytic tank of solid oxide electrochemical property test system |
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| CN107085017A true CN107085017A (en) | 2017-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710171559.4A Pending CN107085017A (en) | 2017-03-22 | 2017-03-22 | A kind of electrolytic tank of solid oxide electrochemical property test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146576A (en) * | 2019-06-13 | 2019-08-20 | 东北大学 | A kind of electrochemical testing device for solid electrolyte |
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| US20040188274A1 (en) * | 2003-03-28 | 2004-09-30 | Law Robert James | Method and apparatus for measuring electrochemical corrosion potential inside small shallow cracks |
| CN101067209A (en) * | 2007-05-28 | 2007-11-07 | 清华大学 | High temperature steam electrolytic hydrogen manufacturing electrode testing device |
| CN101122577A (en) * | 2007-09-14 | 2008-02-13 | 清华大学 | Solid oxide electrolytic cell high temperature electrochemical property test device |
| CN101216445A (en) * | 2007-12-29 | 2008-07-09 | 清华大学 | High-temperature solid oxide single electrolytic cell fixing test bracket |
| CN101311318A (en) * | 2008-02-27 | 2008-11-26 | 清华大学 | Sealing device of solid oxide electrolytic cell for high-temperature electrolytic hydrogen production and sealing method thereof |
| CN101980009A (en) * | 2010-09-10 | 2011-02-23 | 清华大学 | Solid oxide electrolytic cell testing bracket |
| CN206557150U (en) * | 2017-03-22 | 2017-10-13 | 成都艾欧新能源科技有限公司 | Test device for high-temperature oxide electrolytic cell |
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2017
- 2017-03-22 CN CN201710171559.4A patent/CN107085017A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040188274A1 (en) * | 2003-03-28 | 2004-09-30 | Law Robert James | Method and apparatus for measuring electrochemical corrosion potential inside small shallow cracks |
| CN101067209A (en) * | 2007-05-28 | 2007-11-07 | 清华大学 | High temperature steam electrolytic hydrogen manufacturing electrode testing device |
| CN101122577A (en) * | 2007-09-14 | 2008-02-13 | 清华大学 | Solid oxide electrolytic cell high temperature electrochemical property test device |
| CN101216445A (en) * | 2007-12-29 | 2008-07-09 | 清华大学 | High-temperature solid oxide single electrolytic cell fixing test bracket |
| CN101311318A (en) * | 2008-02-27 | 2008-11-26 | 清华大学 | Sealing device of solid oxide electrolytic cell for high-temperature electrolytic hydrogen production and sealing method thereof |
| CN101980009A (en) * | 2010-09-10 | 2011-02-23 | 清华大学 | Solid oxide electrolytic cell testing bracket |
| CN206557150U (en) * | 2017-03-22 | 2017-10-13 | 成都艾欧新能源科技有限公司 | Test device for high-temperature oxide electrolytic cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146576A (en) * | 2019-06-13 | 2019-08-20 | 东北大学 | A kind of electrochemical testing device for solid electrolyte |
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