CN106770518A - It is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device and method - Google Patents
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device and method Download PDFInfo
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- CN106770518A CN106770518A CN201611199176.XA CN201611199176A CN106770518A CN 106770518 A CN106770518 A CN 106770518A CN 201611199176 A CN201611199176 A CN 201611199176A CN 106770518 A CN106770518 A CN 106770518A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 139
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 139
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004411 aluminium Substances 0.000 title claims abstract description 49
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 238000013500 data storage Methods 0.000 claims abstract description 24
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 21
- 239000007784 solid electrolyte Substances 0.000 claims description 34
- 239000004020 conductor Substances 0.000 claims description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 claims description 6
- DBUTVDSHVUGWOZ-UHFFFAOYSA-N [Si].[Ni].[Cr].[Ni] Chemical compound [Si].[Ni].[Cr].[Ni] DBUTVDSHVUGWOZ-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- LIXXICXIKUPJBX-UHFFFAOYSA-N [Pt].[Rh].[Pt] Chemical compound [Pt].[Rh].[Pt] LIXXICXIKUPJBX-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003708 ampul Substances 0.000 claims description 3
- 239000011195 cermet Substances 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- -1 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention discloses it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen (1), data acquisition module (2), central controller (3), data storage (4), temperature transducer (5), loop electrode (6), determine HydroNit sensor (7) and standard hydrogen cylinder (8) is constituted；The central controller (3) respectively with can Touch Screen (1), data acquisition module (2) and data storage (4) be connected, described to determine HydroNit sensor (7) and be connected with data acquisition module (2) and standard hydrogen cylinder (8) respectively, the temperature transducer (5) and loop electrode (6) are connected with data acquisition module (2) respectively.Also disclose and determine hydrogen methods.The present invention provide it is a kind of online, continuously or discontinuously determine hydrogen production device in detection aluminium and aluminium alloy melt, with automatic test, it is automatic record and automatically analyze calculating result function, measuring accuracy is high.
Description
Technical field
The present invention relates to it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device and method, particularly belong to metal and metal
Hydrogen technical field is determined in melt.
Background technology
Harm of the hydrogen to aluminium and aluminium alloy capability is very large, and the percent defective caused by hydrogen amount is too high accounts for whole aluminium castings
The half of waste product.General hydrogen content should<0.1~0.15cm3/ 100g is used for the then requirement of the important components such as aerospace industry<
0.05cm3/100g.Though solubility of the hydrogen in aluminium is with other metal phase ratios less, molten in liquid aluminium and in solid aluminum
Solution degree then has very big difference, up to 20:1.Therefore, aluminium and its alloy cause such as mechanical property, interior in solidification due to hydrogeneous
Portion's quality such as greatly declines at many defects.Hydrogen not only causes gross imperfection in aluminium, and influence institutional framework, for intensity,
A series of performances such as fatigue, toughness, corrosion resistant, anodic oxidation all have an impact.
Currently used for determine aluminium alloy melt in hydrogen content method oneself have many, but often exist measuring accuracy not enough,
Influenceed larger by field trash, easily erroneous judgement；Or high precision, but sampling requirement is also high, and the testing time is long, it is difficult to for scene
Inspection；Or be device higher to environmental requirement, it is difficult to for defects such as production scenes.Additionally, existing determine hydrogen test dress
The closed cycle method as representative with Telegas and ASCAN is put, though being on-line monitoring, category interruption is tested, and the testing time is 8-10
Minute.Therefore, hydrogen production device is determined during research is a kind of for aluminium and aluminium alloy melt, the testing time is short, can automatically test and count
Calculate result, it appears particularly necessary.
The content of the invention
Be solve the deficiencies in the prior art, it is an object of the invention to provide it is a kind of for aluminium and aluminium alloy melt in determine
Hydrogen production device, quickly and accurately can automatically test, record automatically and automatic Calculation results, determine hydrogen methods step simple.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen, data acquisition module, center control
Device, data storage, temperature transducer, loop electrode, determine HydroNit sensor and standard hydrogen gas cylinder composition；The central controller difference
With can Touch Screen, data acquisition module and data storage be connected, it is described determine HydroNit sensor respectively with data acquisition module and mark
Quasi- hydrogen cylinder is connected, and the temperature transducer and loop electrode are connected with data acquisition module respectively.
Be previously used for determining hydrogen production device in aluminium and aluminium alloy melt, determine HydroNit sensor including solid electrolyte tube, connecting tube,
Contact conductor, air inlet pipe and blast pipe, the solid electrolyte tube openend are connected with connecting tube；Air inlet pipe one end connects standard
Hydrogen cylinder, the other end is entered in connecting tube by connecting tube blind end, and extends proximate to solid electrolyte tube bottom interior wall；Row
Tracheae is connected in connecting tube blind end or side-walls, contact conductor one end with solid electrolyte tube bottom interior wall, the other end with
Data acquisition module is connected.
Be previously used for determining hydrogen production device in aluminium and aluminium alloy melt, solid electrolyte tube is single-ended open tube, pipe it is interior
Footpath is 4~8mm, and thickness is 0.8~1.2mm, and length is 5~20mm.
It is previously used for determining hydrogen production device in aluminium and aluminium alloy melt, connecting tube is alundum tube, quartz ampoule or earthenware；Electricity
Pole lead is nickel wire, stainless steel wire, copper wire, platinum filament or platinum-rhodium wire.
It is previously used for determining hydrogen production device in aluminium and aluminium alloy melt, data acquisition module includes temperature collect module and electricity
Pressure acquisition module, temperature collect module is connected with temperature transducer, voltage acquisition module respectively with determine HydroNit sensor and loop electrode
It is connected.
Be previously used for determining hydrogen production device in aluminium and aluminium alloy melt, can Touch Screen be capacitance type touch control screen or resistance-type
Touch screen；Central controller is PLC, CPU or single-chip microcomputer；Data storage is solid state class memory or disk sort memory.
Be previously used for determining hydrogen production device in aluminium and aluminium alloy melt, temperature transducer be K-type nickel chromium-nickel silicon thermocouple or
S type platinum rhodium-platinum thermocouples；Loop electrode is cermet electrodes, steel wire, copper wire, nickel wire, platinum filament or platinum-rhodium wire.
It is a kind of using be previously used in aluminium and aluminium alloy melt determine hydrogen production device determine hydrogen methods, comprise the following steps：
S1, first by temperature transducer, loop electrode and determine HydroNit sensor to be positioned over melt to be measured top pre- less than being carried out at 5cm
Heat 5 minutes, while opening standard hydrogen cylinder, controls hydrogen flow rate, as reference electrode；By the temperature transducer after preheating, return
Path electrode inserts melt to be measured with HydroNit sensor is determined, and starts test；
S2, by loop electrode and determine the hydrogen sensor data measured that HydroNit sensor constitutes and transmit to data acquisition module, together
When temperature transducer collecting temperature data transfer to data acquisition module, the data of collection are transmitted to center through data acquisition module
Controller, obtains hydrogen content in melt after being calculated through central controller.
It is previously used for determining hydrogen methods in aluminium and aluminium alloy melt, in step S1, controls 5~50mL/min of hydrogen flow rate.
It is previously used for determining hydrogen methods in aluminium and aluminium alloy melt, in step S1, inserts in melt to be measured, inserts gold to be measured
Category melt depth is more than 3cm.Using the insertion depth scope in the present invention, certainty of measurement is high.
The operation principle of apparatus of the present invention is：Reference electricity is used as to inputting hydrogen in determining HydroNit sensor by standard hydrogen cylinder
Pole；Determine during HydroNit sensor inserts melt to be measured, because the concentration of hydrogen in melt and the hydrogen concentration of reference electrode are different, through determining HydroNit sensor
Solid electrolyte tube both hydrogen concentration differences are converted into electric signal, transmitted to data acquisition module by contact conductor；Together
When temperature transducer collecting temperature data transfer to data acquisition module；Two kinds of data transfers that data acquisition module will be collected
To central controller；The hydrogen content that central controller by equation below be calculated in melt：
In formula：E is electromotive force, V；R is gas constant, 8.314J/ (molK)；F is Faraday constant, 96500C/
mol；T is absolute temperature, K；It is known reference electrode standard hydrogen dividing potential drop, Pa；For to be measured in aluminium liquid or aluminium alloy
Hydrogen dividing potential drop, Pa.
Fig. 1 is the structural representation for determining hydrogen production device of an embodiment of the present invention.Carrying out determining for aluminium and aluminium alloy melt
Before hydrogen test, first click on can be on Touch Screen power knob, unlocking testing device.After hydrogen production device unlatching is determined, thermometric is passed
Sensor, loop electrode and determine HydroNit sensor be placed on melt top less than 5cm locate, preheating 5 minutes.Standard hydrogen cylinder is opened simultaneously,
Control hydrogen flow rate, as reference electrode.Preheating 5 minutes after, by temperature transducer, loop electrode and determine HydroNit sensor simultaneously insertion
In melt, click can start testing button on Touch Screen, start to determine hydrogen test.In test process, melt and reference electrode
The concentration difference of hydrogen can be converted to electric signal by determining HydroNit sensor, transmit into data acquisition module voltage acquisition module, while
Temperature data transmits into data acquisition module temperature collect module after being gathered through temperature transducer.Data acquisition module will be gathered
To data be transferred to central controller, through central controller calculate after, real-time hydrogen content data are transferred to can Touch Screen
And data storage, it is respectively used to display in real time and stores.In the 10-90s that test starts, system is up to stable state,
Gained test result data also reaches stabilization, the hydrogen content as final result in the melt that now central controller is calculated.
After test terminates, by temperature transducer, loop electrode and determine HydroNit sensor and lift off inside melt, be placed in being less than above melt
Cooled down at 5cm.Click on can be on Touch Screen power knob, close test device.Take multiple measurements if desired, then
Said process is repeated, wherein needing to ensure temperature transducer, loop electrode and determining HydroNit sensor above melt less than 5cm, can be carried out
Measurement next time.Without sampling during the application device to test, directly test in process of production, be easily and fast, directly this
The advantage of device.
Fig. 2 is to determine HydroNit sensor structural representation present invention preferably employs a kind of embodiment.It is of the invention to determine hydrogen production device
Reference electrode, uses the mixed gas for including concentration known standard hydrogen, the wherein volumetric concentration of hydrogenFor：Remaining is high-purity argon gas or high-purity helium.It is of the invention to determine HydroNit sensor including solid electrolyte tube, connecting tube, electrode
Lead, air inlet pipe and blast pipe, solid electrolyte tube openend are connected with connecting tube；Air inlet pipe one end connects standard hydrogen cylinder,
The other end is entered in connecting tube by connecting tube blind end, and extends proximate to solid electrolyte tube bottom interior wall；Blast pipe exists
Connecting tube blind end or side-walls, contact conductor one end are connected with solid electrolyte tube bottom interior wall, and the other end is adopted with data
Collection module is connected.During test, standard hydrogen cylinder is opened, standard hydrogen is entered by air inlet pipe, is flowed out by blast pipe, as reference
Electrode.Standard hydrogen reference electrode is placed in determining HydroNit sensor, and concentration cell is formed with hydrogen in melt, by solid electrolyte tube by two
The concentration difference of person is converted into electric signal, and the voltage acquisition module in data acquisition module is transferred to through contact conductor, convenient, fast
Display measurement data, improves the accuracy of measurement.By loop electrode and determine the hydrogen sensor that HydroNit sensor constitutes and may be implemented in
Line, the direct, hydrogen rapidly, continuously or in discontinuity detection aluminium and aluminium alloy melt, measurement sensitivity reach：0.001mLH2/100g
Al。
Solid electrolyte tube material preferably uses the electrolyte in ZL2016103258724 or ZL2016103271038, i.e.,
Electrolyte formula is CaZr1-x-y-zInxSnyYzO3-a(0.05≤x≤0.25,0<Y≤0.25,0<Z≤0.25) or BaCe1-x-y- zInxSnyYzO3-a(0.01≤x≤0.25,0<Y≤0.25,0<z≤0.25).Electrical conductivity, chemical stability can effectively be lifted
It is good, also with excellent mechanical property and thermal stability, so that the accuracy of ensuring equipment test, the use longevity of extension fixture
Life.
The measurement range for determining hydrogen production device of the invention is 0~1.0mL/100gAl.
The present invention is advantageous in that：The present invention provide it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, tool
There is automatic test, record automatically and automatically analyze calculating result function, the error of the human users in test can be reduced and carried
The accuracy of test result high.Real time record can be realized, in real time display, measurement result is more accurate.It is of the invention to determine hydrogen
Device, the testing time is short, and measuring accuracy is high, simple to operation.It is of the invention that to determine hydrogen methods step simple, test result efficiently,
Accurately.
Brief description of the drawings
Fig. 1 is the structural representation for determining hydrogen production device of an embodiment of the present invention；
Fig. 2 is that an embodiment of the present invention determines HydroNit sensor structural representation；
The implication of reference in figure：Fig. 1：1- can Touch Screen, 2- data acquisition modules, 3- central controllers, 4- numbers
According to holder, 5- temperature transducers, 6- loop electrodes, 7- determines HydroNit sensor, 8- standard hydrogen cylinders, 21- temperature collect modules, 22-
Voltage acquisition module；Fig. 2：71- solid electrolyte tubes, 72- connecting tubes, 73- contact conductors, 74- air inlet pipe, 75- blast pipes.
Specific embodiment
The present invention is further introduced below in conjunction with specific embodiment.
Embodiment 1
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module 2, center control
Device processed 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；The center control
Device processed 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described determine HydroNit sensor 7 respectively with data
Acquisition module 2 is connected with standard hydrogen cylinder 8, and the temperature transducer 5 and loop electrode 6 are connected with data acquisition module 2 respectively.
Embodiment 2
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module 2, center control
Device processed 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；The center control
Device processed 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described determine HydroNit sensor 7 respectively with data
Acquisition module 2 is connected with standard hydrogen cylinder 8, and the temperature transducer 5 and loop electrode 6 are connected with data acquisition module 2 respectively.
Wherein, data acquisition module 2 includes temperature collect module 21 and voltage acquisition module 22, temperature collect module 21 and temperature transducers
Device 5 is connected, voltage acquisition module 22 respectively with determine HydroNit sensor 7 and loop electrode 6 is connected.
Embodiment 3
As shown in figure 1, it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module
Block 2, central controller 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；
The central controller 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described to determine HydroNit sensor 7
Be connected with data acquisition module 2 and standard hydrogen cylinder 8 respectively, the temperature transducer 5 and loop electrode 6 respectively with data acquisition
Module 2 is connected.Wherein, data acquisition module 2 includes temperature collect module 21 and voltage acquisition module 22, temperature collect module 21
Be connected with temperature transducer 5, voltage acquisition module 22 respectively with determine HydroNit sensor 7 and loop electrode 6 is connected.Central controller 3 is
PLC；Data storage 4 is solid state class memory；Can Touch Screen 1 be capacitance type touch control screen；Loop electrode 6 is copper wire.Thermometric
Sensor 5 is K-type nickel chromium-nickel silicon thermocouple.
Embodiment 4
As shown in figure 1, it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module
Block 2, central controller 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；
The central controller 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described to determine HydroNit sensor 7
Be connected with data acquisition module 2 and standard hydrogen cylinder 8 respectively, the temperature transducer 5 and loop electrode 6 respectively with data acquisition
Module 2 is connected.Wherein, data acquisition module 2 includes temperature collect module 21 and voltage acquisition module 22, temperature collect module 21
Be connected with temperature transducer 5, voltage acquisition module 22 respectively with determine HydroNit sensor 7 and loop electrode 6 is connected.Central controller 3 is
PLC；Data storage 4 is solid state class memory；Can Touch Screen 1 be capacitance type touch control screen；Loop electrode 6 is copper wire.Thermometric
Sensor 5 is K-type nickel chromium-nickel silicon thermocouple.
As shown in Fig. 2 determining HydroNit sensor 7 includes solid electrolyte tube 71, connecting tube 72, contact conductor 73, the and of air inlet pipe 74
Blast pipe 75, the openend of the solid electrolyte tube 71 is connected with connecting tube 72；The one end of air inlet pipe 74 connects standard hydrogen cylinder 8,
The other end is entered in connecting tube 72 by the blind end of connecting tube 72, and extends proximate to the bottom interior wall of solid electrolyte tube 71；Row
Tracheae 75 is connected in the blind end of connecting tube 72 or side-walls, the one end of contact conductor 73 with the bottom interior wall of solid electrolyte tube 71,
The other end is connected with data acquisition module 2.Solid electrolyte tube 71 is single-ended open tube, and the internal diameter of pipe is 4mm, and thickness is
0.8mm, length is 5mm.Connecting tube 72 is alundum tube.Contact conductor 73 is nickel wire.
Embodiment 5
As shown in figure 1, it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module
Block 2, central controller 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；
The central controller 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described to determine HydroNit sensor 7
Be connected with data acquisition module 2 and standard hydrogen cylinder 8 respectively, the temperature transducer 5 and loop electrode 6 respectively with data acquisition
Module 2 is connected.Wherein, data acquisition module 2 includes temperature collect module 21 and voltage acquisition module 22, temperature collect module 21
Be connected with temperature transducer 5, voltage acquisition module 22 respectively with determine HydroNit sensor 7 and loop electrode 6 is connected.Central controller 3 is
CPU；Data storage 4 is disk sort memory；Can Touch Screen 1 be resistance type touch control screen；Loop electrode 6 is cermet electricity
Pole.Temperature transducer 5 is S type platinum rhodium-platinum thermocouples.
As shown in Fig. 2 determining HydroNit sensor 7 includes solid electrolyte tube 71, connecting tube 72, contact conductor 73, the and of air inlet pipe 74
Blast pipe 75, the openend of the solid electrolyte tube 71 is connected with connecting tube 72；The one end of air inlet pipe 74 connects standard hydrogen cylinder 8,
The other end is entered in connecting tube 72 by the blind end of connecting tube 72, and extends proximate to the bottom interior wall of solid electrolyte tube 71；Row
Tracheae 75 is connected in the blind end of connecting tube 72 or side-walls, the one end of contact conductor 73 with the bottom interior wall of solid electrolyte tube 71,
The other end is connected with data acquisition module 2.Solid electrolyte tube 71 is single-ended open tube, and the internal diameter of pipe is 8mm, and thickness is
1.2mm, length is 20mm.Connecting tube 72 is quartz ampoule.Contact conductor 73 is stainless steel wire.
Embodiment 6
As shown in figure 1, it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, by can Touch Screen 1, data acquisition module
Block 2, central controller 3, data storage 4, temperature transducer 5, loop electrode 6, determine HydroNit sensor 7 and standard hydrogen cylinder 8 is constituted；
The central controller 3 respectively with can Touch Screen 1, data acquisition module 2 and data storage 4 be connected, it is described to determine HydroNit sensor 7
Be connected with data acquisition module 2 and standard hydrogen cylinder 8 respectively, the temperature transducer 5 and loop electrode 6 respectively with data acquisition
Module 2 is connected.Wherein, data acquisition module 2 includes temperature collect module 21 and voltage acquisition module 22, temperature collect module 21
Be connected with temperature transducer 5, voltage acquisition module 22 respectively with determine HydroNit sensor 7 and loop electrode 6 is connected.Central controller 3 is
Single-chip microcomputer；Data storage 4 is solid state class memory；Can Touch Screen 1 be capacitance type touch control screen；Loop electrode 6 is steel wire.Survey
Temperature sensor 5 is K-type nickel chromium-nickel silicon thermocouple.
As shown in Fig. 2 determining HydroNit sensor 7 includes solid electrolyte tube 71, connecting tube 72, contact conductor 73, the and of air inlet pipe 74
Blast pipe 75, the openend of the solid electrolyte tube 71 is connected with connecting tube 72；The one end of air inlet pipe 74 connects standard hydrogen cylinder 8,
The other end is entered in connecting tube 72 by the blind end of connecting tube 72, and extends proximate to the bottom interior wall of solid electrolyte tube 71；Row
Tracheae 75 is connected in the blind end of connecting tube 72 or side-walls, the one end of contact conductor 73 with the bottom interior wall of solid electrolyte tube 71,
The other end is connected with data acquisition module 2.Solid electrolyte tube 71 is single-ended open tube, and the internal diameter of pipe is 6mm, and thickness is
1.0mm, length is 12mm.Connecting tube 72 is earthenware.Contact conductor 73 is copper wire.
Loop electrode 6 can also use nickel wire, platinum filament or platinum-rhodium wire in embodiment 1-6, and the material of solid electrolyte tube 71 is excellent
Choosing is CaZr using the electrolyte in ZL2016103258724 or ZL2016103271038, i.e. electrolyte formula1-x-y- zInxSnyYzO3-a(0.05≤x≤0.25,0<Y≤0.25,0<Z≤0.25) or BaCe1-x-y-zInxSnyYzO3-a(0.01≤x≤
0.25,0<Y≤0.25,0<z≤0.25).Contact conductor 73 can also use platinum filament or platinum-rhodium wire.
The course of work：Carry out aluminium and aluminium alloy melt determine hydrogen test before, first click on can be on Touch Screen 1 power supply press
Button, unlocking testing device.Determining after hydrogen production device opens, by temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and be placed on melt
Top less than 5cm at, preheat 5 minutes.Standard hydrogen cylinder 8 is opened simultaneously, and standard hydrogen is entered by air inlet pipe 74, by blast pipe 75
Outflow, controls hydrogen flow rate, as reference electrode.After preheating 5 minutes, by temperature transducer 5, loop electrode 6 and HydroNit sensor 7 is determined
Insert in melt simultaneously, click can start testing button on Touch Screen 1, start to determine hydrogen test.In test process, melt with
The hydrogen of reference electrode forms concentration difference, and both concentration differences are converted into electric signal by solid electrolyte tube 71, draws through electrode
Line 73 is transferred to the voltage acquisition module 22 in data acquisition module 2, while being transmitted after temperature data is gathered through temperature transducer 5
The temperature collect module 21 into data acquisition module 2.The data that data acquisition module 2 will be collected are transferred to central controller 3,
Through central controller 3 calculate after, by real-time hydrogen content data be transferred to can Touch Screen 1 and data storage 4, be respectively used to reality
When show and store.In the 10-90s that test starts, system is up to stable state, and gained test result data also reaches surely
It is fixed, the hydrogen content as final result in the melt that now central controller 3 is calculated.After test terminates, by temperature transducer
5th, loop electrode 6 and determine HydroNit sensor 7 and lift off inside melt, be placed in melt top less than being cooled down at 5cm.Click can
Power knob on Touch Screen 1, closes test device.Take multiple measurements if desired, then repeatedly said process, wherein needing
Ensure temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 at bath surface is less than 5cm, next measurement can be carried out.
Embodiment 7-9 be using in embodiment 1-6 for aluminium and aluminium alloy melt in hydrogen production device of determining carry out determining hydrogen survey
The method of examination.
Embodiment 7
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen methods, comprise the following steps：
S1, first by temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and be positioned over melt to be measured top less than entering at 5cm
Row preheating 5 minutes；Standard hydrogen cylinder 8 is opened simultaneously, hydrogen flow rate is controlled for 5mL/min, as reference electrode；After preheating
Temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and insert melt to be measured, it is, more than 3cm, to open to insert metal bath depth to be measured
Begin to test；
S2, by loop electrode 6 and determine the hydrogen sensor gathered data that HydroNit sensor 7 constitutes and transmit to data acquisition module 2,
The collecting temperature data transfer of temperature transducer 5 to data acquisition module 2, through data acquisition module 2 transmit by the data of collection simultaneously
To central controller 3, hydrogen content in melt is obtained after being calculated through central controller 3.
Embodiment 8
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen methods, comprise the following steps：
S1, first by temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and be positioned over melt to be measured top less than entering at 5cm
Row preheating 5 minutes；Standard hydrogen cylinder 8 is opened simultaneously, hydrogen flow rate is controlled for 50mL/min, as reference electrode；After preheating
Temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and insert melt to be measured, insert metal bath depth to be measured be more than 3cm,
Start test；
S2, by loop electrode 6 and determine the hydrogen sensor gathered data that HydroNit sensor 7 constitutes and transmit to data acquisition module 2,
The collecting temperature data transfer of temperature transducer 5 to data acquisition module 2, through data acquisition module 2 transmit by the data of collection simultaneously
To central controller 3, hydrogen content in melt is obtained after being calculated through central controller 3.
Embodiment 9
It is a kind of for aluminium and aluminium alloy melt in determine hydrogen methods, comprise the following steps：
S1, first by temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and be positioned over melt to be measured top less than entering at 5cm
Row preheating 5 minutes；Standard hydrogen cylinder 8 is opened simultaneously, hydrogen flow rate is controlled for 25mL/min, as reference electrode；After preheating
Temperature transducer 5, loop electrode 6 and determine HydroNit sensor 7 and insert melt to be measured, insert metal bath depth to be measured be more than 3cm,
Start test；
S2, by loop electrode 6 and determine the hydrogen sensor gathered data that HydroNit sensor 7 constitutes and transmit to data acquisition module 2,
The collecting temperature data transfer of temperature transducer 5 to data acquisition module 2, through data acquisition module 2 transmit by the data of collection simultaneously
To central controller 3, through the hydrogen content that central controller 3 by equation below be calculated in melt：
In formula：E is electromotive force, V；R is gas constant, 8.314J/ (molK)；F is Faraday constant, 96500C/
mol；T is absolute temperature, K；It is known reference electrode standard hydrogen dividing potential drop, Pa；It is hydrogen to be measured in aluminium liquid or aluminium alloy
Partial pressure, Pa.
Claims (10)
1. it is a kind of for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：By can Touch Screen (1), data acquisition
Module (2), central controller (3), data storage (4), temperature transducer (5), loop electrode (6), determine HydroNit sensor (7) and mark
Quasi- hydrogen cylinder (8) composition；The central controller (3) respectively with can Touch Screen (1), data acquisition module (2) and data store up
Storage (4) is connected, described to determine HydroNit sensor (7) and be connected with data acquisition module (2) and standard hydrogen cylinder (8) respectively, the thermometric
Sensor (5) and loop electrode (6) are connected with data acquisition module (2) respectively.
2. it is according to claim 1 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：It is described to determine hydrogen spy
Head (7) includes solid electrolyte tube (71), connecting tube (72), contact conductor (73), air inlet pipe (74) and blast pipe (75), described
Solid electrolyte tube (71) openend is connected with connecting tube (72)；Air inlet pipe (74) one end connects standard hydrogen cylinder (8), the other end
Entered in connecting tube (72) by connecting tube (72) blind end, and extend proximate to solid electrolyte tube (71) bottom interior wall；Row
Tracheae (75) is in connecting tube (72) blind end or side-walls, contact conductor (73) one end and solid electrolyte tube (71) bottom
Wall is connected, and the other end is connected with data acquisition module (2).
3. it is according to claim 2 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：The solid electricity
Xie Zhiguan (71) is single-ended open tube, and the internal diameter of pipe is 4~8mm, and thickness is 0.8~1.2mm, and length is 5~20mm.
4. it is according to claim 2 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：The connecting tube
(72) be alundum tube, quartz ampoule or earthenware；The contact conductor (73) is nickel wire, stainless steel wire, copper wire, platinum filament or platinum rhodium
Silk.
5. it is according to claim 1 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：The data are adopted
Collection module (2) includes temperature collect module (21) and voltage acquisition module (22), temperature collect module (21) and temperature transducer
(5) be connected, voltage acquisition module (22) respectively with determine HydroNit sensor (7) and loop electrode (6) is connected.
6. it is according to claim 1 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：It is described can touch-control
Screen (1) is capacitance type touch control screen or resistance type touch control screen；The central controller (3) is PLC, CPU or single-chip microcomputer；The number
It is solid state class memory or disk sort memory according to holder (4).
7. it is according to claim 1 for aluminium and aluminium alloy melt in determine hydrogen production device, it is characterised in that：The thermometric is passed
Sensor (5) is K-type nickel chromium-nickel silicon thermocouple or S type platinum rhodium-platinum thermocouples；The loop electrode (6) is cermet electrodes,
Steel wire, copper wire, nickel wire, platinum filament or platinum-rhodium wire.
8. it is a kind of using as described in the claim any one of 1-7 for aluminium and aluminium alloy melt in determine hydrogen production device determine hydrogen side
Method, it is characterised in that：Comprise the following steps：
S1, first by temperature transducer (5), loop electrode (6) and determine HydroNit sensor (7) be positioned over melt to be measured top less than 5cm at
Carry out preheating 5 minutes；Standard hydrogen cylinder (8) is opened simultaneously, hydrogen flow rate is controlled, as reference electrode；By the thermometric after preheating
Sensor (5), loop electrode (6) and determine HydroNit sensor (7) and insert melt to be measured, start test；
S2, by loop electrode (6) and determine the hydrogen sensor data measured that HydroNit sensor (7) constitutes and transmit to data acquisition module
(2), while temperature transducer (5) collecting temperature data transfer is to data acquisition module (2), the voltage and temperature data of collection are passed through
Data acquisition module (2) is transmitted to central controller (3), is formulated after computing formula is calculated through central controller (3) and is obtained melt
Middle hydrogen content.
9. it is according to claim 8 for aluminium and aluminium alloy melt in determine hydrogen methods, it is characterised in that：The step S1
In, control 5~50mL/min of hydrogen flow rate.
10. it is according to claim 8 for aluminium and aluminium alloy melt in determine hydrogen methods, it is characterised in that：The step
In S1, insert in melt to be measured, it is more than 3cm to insert metal bath depth to be measured.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663497A (en) * | 2018-03-30 | 2018-10-16 | 中航金属材料理化检测科技有限公司 | A method of measuring Dissolved H in Liquid Al-Si Alloy content |
| CN109212004A (en) * | 2017-06-30 | 2019-01-15 | 宝山钢铁股份有限公司 | Hydrogen experimental detection device and detection method are surveyed in the quick-fried performance drain of glassed steel squama |
| CN109536755A (en) * | 2018-12-13 | 2019-03-29 | 中国兵器工业第五九研究所 | A kind of aluminium alloy melt air content intelligence control system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11211717A (en) * | 1998-01-23 | 1999-08-06 | Tokyo Yogyo Co Ltd | Sensor probe for measuring amount of dissolved hydrogen in melted metal |
| CN101215644A (en) * | 2007-12-27 | 2008-07-09 | 东北大学 | Dehydrogenation method for aluminum or aluminum alloy fused mass by using solid-state proton conductor and device thereof |
| CN101561382A (en) * | 2008-04-15 | 2009-10-21 | 哈尔滨理工大学 | Aluminum alloy melt hydrogen partial pressure dynamic measuring method |
| CN101661016A (en) * | 2009-09-18 | 2010-03-03 | 东北大学 | Method for measuring hydrogen pressure in solid steel and device |
| CN105319253A (en) * | 2015-11-12 | 2016-02-10 | 东北大学 | Sensor for measuring content of hydrogen in metal melt and measuring method |
| CN106007714A (en) * | 2016-05-17 | 2016-10-12 | 东北大学 | Solid electrolyte for hydrogen probe in aluminum and aluminum alloy melt and preparation method |
| CN206440660U (en) * | 2016-12-22 | 2017-08-25 | 东北大学 | It is a kind of for determining hydrogen production device in aluminium and aluminium alloy melt |
-
2016
- 2016-12-22 CN CN201611199176.XA patent/CN106770518A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11211717A (en) * | 1998-01-23 | 1999-08-06 | Tokyo Yogyo Co Ltd | Sensor probe for measuring amount of dissolved hydrogen in melted metal |
| CN101215644A (en) * | 2007-12-27 | 2008-07-09 | 东北大学 | Dehydrogenation method for aluminum or aluminum alloy fused mass by using solid-state proton conductor and device thereof |
| CN101561382A (en) * | 2008-04-15 | 2009-10-21 | 哈尔滨理工大学 | Aluminum alloy melt hydrogen partial pressure dynamic measuring method |
| CN101661016A (en) * | 2009-09-18 | 2010-03-03 | 东北大学 | Method for measuring hydrogen pressure in solid steel and device |
| CN105319253A (en) * | 2015-11-12 | 2016-02-10 | 东北大学 | Sensor for measuring content of hydrogen in metal melt and measuring method |
| CN106007714A (en) * | 2016-05-17 | 2016-10-12 | 东北大学 | Solid electrolyte for hydrogen probe in aluminum and aluminum alloy melt and preparation method |
| CN206440660U (en) * | 2016-12-22 | 2017-08-25 | 东北大学 | It is a kind of for determining hydrogen production device in aluminium and aluminium alloy melt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212004A (en) * | 2017-06-30 | 2019-01-15 | 宝山钢铁股份有限公司 | Hydrogen experimental detection device and detection method are surveyed in the quick-fried performance drain of glassed steel squama |
| CN108663497A (en) * | 2018-03-30 | 2018-10-16 | 中航金属材料理化检测科技有限公司 | A method of measuring Dissolved H in Liquid Al-Si Alloy content |
| CN109536755A (en) * | 2018-12-13 | 2019-03-29 | 中国兵器工业第五九研究所 | A kind of aluminium alloy melt air content intelligence control system |
| CN109536755B (en) * | 2018-12-13 | 2020-11-27 | 中国兵器工业第五九研究所 | Intelligent control system for air content of aluminum alloy melt |
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