CN105486739B - Steel for enamel scaling resistance detection device and method based on micro differential pressure principle - Google Patents
Steel for enamel scaling resistance detection device and method based on micro differential pressure principle Download PDFInfo
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- CN105486739B CN105486739B CN201510853714.1A CN201510853714A CN105486739B CN 105486739 B CN105486739 B CN 105486739B CN 201510853714 A CN201510853714 A CN 201510853714A CN 105486739 B CN105486739 B CN 105486739B
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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
- G01N27/416—Systems
- G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
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Abstract
The present invention relates to a kind of Steel for enamel scaling resistance detection device and method based on micro differential pressure principle, liberation of hydrogen slot and expansion hydrogen slot are separately positioned on the upper and lower both sides of steel sample to be measured；The expansion hydrogen slot wall is equipped with hydrogen diffused liquid ascending pipe and hydrogen diffused liquid delivery line；Thermometer is placed on by rubber stopper in liberation of hydrogen slot；Platinum electrode is placed in across rubber stopper in liberation of hydrogen slot, and platinum electrode is connected by conducting wire with the anode of direct current constant current constant voltage instrument；Steel sample to be measured is connected by conducting wire with the cathode of direct current constant current constant voltage instrument；The hydrogen diffused liquid delivery line connects little differential pressure sensor by silicone tube；Little differential pressure sensor is connected with computer, computer connection digital display touch screen.The present invention facilitates the instant of detection data to check and store, and intuitively show liberation of hydrogen quantity and time-varying relationship using computer digital animation and digital display Touch Screen.
Description
Technical field
The present invention relates to a kind of detection devices and method of Steel for enamel fish scaling resistance, especially a kind of to use differential pressure
The detection device and method of principle.
Background technology
In manufacturing, the hydrogen in steel plate, enamel, enamel firing technique etc. is dissolved into enamelware in an atomic fashion
It is spread in steel plate and in steel plate, only the hydrogen of sub-fraction is lacked by hole, gap, dislocation, segregation, field trash in steel etc.
Trapping is fallen into, most of atomic hydrogen is diffused in enamel coating and metal interface, and is assembled in the form of hydrogen molecule, when a large amount of hydrogen gathers
When the formed interfacial pressure of collection reaches destruction enamel coating critical value, it will make enamel surfaces that shape occur such as crescent moon, fish scale-shaped
The quick-fried phenomenon of squama.The quick-fried generation of squama has no omen, can immediately occur after the application of slip, it is also possible to occur after 24 hours or even after 1 month
Occur, thus bring serious harm to enamelware.Therefore correctly predicted and evaluation Steel for enamel anti-squama is quick-fried, becomes enamel
With the primary key of steel manufacturing enterprise and the manufacturing enterprise of enamelware.
At present, the method for the scaling resistance of domestic and international enterprise and institute's evaluation Steel for enamel is mainly electrochemistry side
Method, such as the electrochemical method that Devanathan and Stachurki are designed, current density when penetrating steel plate by detecting hydrogen is commented
The quick-fried sensibility of squama of valency Steel for enamel.The electrochemistry double-electrolyzer method that Devanthan inventions use, sample need to plate palladium when detecting
Or nickel, when plating, palladium layers are uneven, can influence to test the test data accuracy of hydrogen dissufion current.In addition, this method is used to survey
Long the time required to trying the thicker steel plate of size, operating process is cumbersome, and voltage noise etc. has shadow to electrochemical apparatus measuring accuracy
It rings.Based on electrochemistry double-electrolyzer method principle, has ISO17081 at present：2008 standards and GB/T29515：2013 standards.It is beautiful
State, Japan and South Korea are then based on ISO17081:2008 standards evaluate enamel sheet fish scaling resistance.GB/T29515:
2013 standards are then the standards of evaluation enamel sheet fish scaling resistance that China formulates.
In addition to current density test method, using the method for electrolysis liberation of hydrogen, the hydrogen volume that steel plate is penetrated by collecting turns
The liquid level changed weighs hydrogen time of penetration.Such as the widely used EN10209 of European countries:2013 standards.This method uses light
The photosignal of colored liquid liquid level in gate sensor detection capillary, and liquid level and time are realized by computer
Relationship.But the problem of this method is that liquid level detection device involves great expense, in addition in capillary the depth of colored liquid color with
Intensity of illumination can all influence grating sensor and capture liquid level accuracy.
Invention content
The present invention is to provide for a kind of Steel for enamel scaling resistance detection device and method based on micro differential pressure principle, is based on
The method of liberation of hydrogen is electrolysed, grating sensor is replaced using little differential pressure sensor, the liberation of hydrogen gas in steel is measured with little differential pressure sensor
Body pressure differential, and electric signal is converted into, by computer Simulation calculation, liquid level is converted into, is surveyed to substitute grating sensor
Measure the judgement of colored liquid liquid level in capillary；The operation is more convenient for this method, stability is good, detection accuracy is high.
To achieve the above object, the technical scheme is that：A kind of anti-squama of Steel for enamel based on micro differential pressure principle is quick-fried
Property detection device, including switch board, computer, little differential pressure sensor, digital display touch screen, direct current constant current constant voltage instrument, silica gel
Pipe, thermometer, rubber stopper, liberation of hydrogen slot, epoxy resin board geometrical clamp, expands hydrogen slot, rubber stopper, the injection of hydrogen diffused liquid at platinum electrode
Pipe, hydrogen diffused liquid delivery line, the liberation of hydrogen slot and expansion hydrogen slot are separately positioned on the upper and lower both sides of steel sample to be measured；The expansion
Hydrogen slot wall is equipped with hydrogen diffused liquid ascending pipe and hydrogen diffused liquid delivery line；Thermometer is placed on liberation of hydrogen slot by rubber stopper
In；Platinum electrode is placed in across rubber stopper in liberation of hydrogen slot, and platinum electrode is connected by conducting wire with the anode of direct current constant current constant voltage instrument；
Steel sample to be measured is connected by conducting wire with the cathode of direct current constant current constant voltage instrument；The hydrogen diffused liquid delivery line passes through silicon
Sebific duct connects little differential pressure sensor；Little differential pressure sensor is connected with computer, computer connection digital display touch screen.
The little differential pressure sensor and computer are placed in switch board 1；Digital display touch screen is located at the upper epidermis of switch board.
The hydrogen diffused liquid ascending pipe outside diameter is 5mm, a diameter of 1mm of inner circle；Hydrogen diffused liquid delivery line outer circle
A diameter of 5mm, a diameter of 0.5mm of inner circle.
It is connected between the expansion hole wall of hydrogen slot and hydrogen diffused liquid ascending pipe by rubber stopper seal.
Consolidated between the steel sample to be measured and liberation of hydrogen slot and expansion hydrogen slot by epoxy resin board geometrical clamp and fastening bolt
It is fixed, blend rubber washer sealing.
A kind of Steel for enamel scaling resistance detection method based on micro differential pressure principle, comprises the concrete steps that：
(1) by steel sample fixing seal to be measured in liberation of hydrogen slot and between expanding hydrogen slot,
(2) expand full distilled water, bubble-free built in hydrogen slot；
(3) electrolyte built in liberation of hydrogen slot, is then placed in thermometer and platinum electrode；
(4) computer is opened, hydrogen slot pressure value return-to-zero, Computer display pressure letter will be expanded on digital display touch screen
Start to test when number steady；
（5）The liberation of hydrogen draught head in steel sample to be measured is measured with little differential pressure sensor, electric signal is converted into and is sent to meter
Calculation machine, computer are converted the signal into using EN10209:The liquid level evaluation method of 2013 standards, by liquid level with
Time curve shows liberation of hydrogen quantity and time-varying relationship；
(6) digital display touch screen digital display screen shows that pressure signal reaches maximum value, i.e. liquid level time changing curve is linear
During relationship, stop Experiment Data Records and terminate to test；
(7) experimental data of preservation is handled, obtains the hydrogen infiltration TH times under experimental temperature, and use
EN10209:2013 standards evaluate Steel for enamel fish scaling resistance.
The beneficial effects of the invention are as follows：
Using little differential pressure sensor, little differential pressure sensor is joined the present invention by expanding delivery line and silicone tube on hydrogen slot wall
Knot, measures the liberation of hydrogen gas differential pressure value of Steel for enamel to be measured in electrolyte, and is converted to electric signal, transmits computer.Computer
Signal conversion is carried out by the specific software of design, little differential pressure sensor measured value is converted into EN10209:2013 standards
Liquid level uses EN10209 to facilitate:2013 standards evaluate the scaling resistance of Steel for enamel.
To realize that little differential pressure sensor measures, the present invention devises expansion hydrogen of the hole wall with liquid injecting tube and delivery line
Slot, ascending pipe outside diameter are 5mm, a diameter of 1mm of inner circle；Delivery line outside diameter is 5mm, and a diameter of 0.5mm of inner circle is used for
The silicone tube of standard is coupled little differential pressure sensor.
The present invention facilitates checking and deposit immediately for detection data using computer digital animation and digital display Touch Screen
Storage, and intuitively show liberation of hydrogen quantity and time-varying relationship.
Description of the drawings
Fig. 1 is the structure diagram of the Steel for enamel scaling resistance detection device based on micro differential pressure principle of the present invention；
Fig. 2 be using based on micro differential pressure principle Steel for enamel scaling resistance detection device detection obtain liquid level with
The curve graph of time.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of Steel for enamel scaling resistance detection device based on micro differential pressure principle, by part of detecting, electricity
The compositions such as source part, experimental section and steel material sample to be measured.
Part of detecting is made of switch board 1, computer 2, little differential pressure sensor 3, digital display touch screen 4, and power supply is permanent for direct current
Electric current constant voltage instrument 5.Experimental section is solid by silicone tube 6, platinum electrode 7, thermometer 8, rubber stopper 9, liberation of hydrogen slot 10, epoxy resin board
Clamp 11 expands hydrogen slot 13, rubber stopper 14, hydrogen diffused liquid ascending pipe 15, hydrogen diffused liquid delivery line 16,17 structure of fastening bolt
Into.
13 hole wall of expansion hydrogen slot of part of detecting is equipped with hydrogen diffused liquid ascending pipe 15 and hydrogen diffused liquid delivery line 16；Hydrogen expands
It is 5mm, a diameter of 1mm of inner circle to dissipate 15 outside diameter of liquid injecting tube；16 outside diameter of hydrogen diffused liquid delivery line is 5mm, interior
Circular diameter is 0.5mm.Liberation of hydrogen slot 10 and expansion hydrogen slot 13 are located at steel sample to be measured respectively, and about 12 both sides；Thermometer 8 passes through rubber
Rubber plug 9 is placed in liberation of hydrogen slot 10；Platinum electrode 7 is placed in across rubber stopper 9 in liberation of hydrogen slot 10, and platinum electrode 7 passes through conducting wire and direct current
The anode of constant current constant voltage instrument 5 is connected；Steel sample 12 to be measured is positioned over liberation of hydrogen slot 10 and expands between hydrogen slot 13, passes through epoxy
Resin plate geometrical clamp 11 and fastening bolt 17 are fixed, with rubber ring seal steel sample 12 to be measured；Steel sample 12 to be measured is logical
The cathode that conducting wire is crossed with direct current constant current constant voltage instrument 5 is connected；Expand ascending pipe 15 on 13 hole wall of hydrogen slot to seal using rubber stopper 14；
Expand hydrogen diffused liquid delivery line 16 on 13 hole wall of hydrogen slot by silicone tube 6 with little differential pressure sensor 3 to be connected；Little differential pressure sensor 3
It is connected with computer 2, little differential pressure sensor 3 and computer 2 are placed in switch board 1；Digital display touch screen 4 is located at the upper of switch board 1
Surface layer.
The Steel for enamel scaling resistance detection method based on micro differential pressure principle of the present invention, comprises the concrete steps that：
(1) by 12 fixing seal of steel sample to be measured in liberation of hydrogen slot 10 and between expanding hydrogen slot 13,
(2) expand full distilled water, bubble-free built in hydrogen slot 13；
(3) electrolyte built in liberation of hydrogen slot 10, is then placed in thermometer 8 and platinum electrode 7；
(4) computer 2 is opened, 13 pressure value return-to-zero of hydrogen slot, the display pressure of computer 2 will be expanded on digital display touch screen 4
Start to test when force signal is steady；
（5）The liberation of hydrogen draught head in steel sample 12 to be measured is measured with little differential pressure sensor 3, electric signal is converted into and is sent to
Computer 2, computer 2 are converted the signal into using EN10209:The liquid level evaluation method of 2013 standards, passes through liquid level height
Degree shows liberation of hydrogen quantity and time-varying relationship with time curve；
(6) 4 digital display screen of digital display touch screen shows pressure signal up to maximum value, i.e., liquid level time changing curve is in straight
Line relationship（Fig. 2）When, stop Experiment Data Records and terminate to test；
(7) experimental data of preservation is handled, obtains the hydrogen infiltration TH times under experimental temperature, and use
EN10209:2013 standards evaluate Steel for enamel fish scaling resistance.
The method of the present invention can test the enamel sheet between 0.1 ~ 10.0mm of thickness.
Claims (6)
1. a kind of Steel for enamel scaling resistance detection device based on micro differential pressure principle, including switch board（1）, computer（2）, it is micro-
Differential pressure pick-up（3）, digital display touch screen（4）, direct current constant current constant voltage instrument（5）, silicone tube（6）, platinum electrode（7）, thermometer
（8）, the first rubber stopper（9）, liberation of hydrogen slot（10）, epoxy resin board geometrical clamp（11）, expand hydrogen slot（13）, the second rubber stopper（14）、
Hydrogen diffused liquid ascending pipe（15）, hydrogen diffused liquid delivery line（16）, it is characterised in that：The liberation of hydrogen slot（10）With expansion hydrogen slot
（13）It is separately positioned on steel sample to be measured（12）Upper and lower both sides；The expansion hydrogen slot（13）Hole wall is injected equipped with hydrogen diffused liquid
Pipe（15）With hydrogen diffused liquid delivery line（16）；Thermometer（8）Pass through the first rubber stopper（9）It is placed on liberation of hydrogen slot（10）In；Platinum
Electrode（7）Across the first rubber stopper（9）It is placed in liberation of hydrogen slot（10）In, platinum electrode（7）Pass through conducting wire and direct current constant current constant voltage
Instrument（5）Anode be connected；Steel sample to be measured（12）Pass through conducting wire and direct current constant current constant voltage instrument（5）Cathode be connected；Institute
State hydrogen diffused liquid delivery line（16）Pass through silicone tube（6）Connect little differential pressure sensor（3）；Little differential pressure sensor（3）With calculating
Machine（2）It is connected, computer（2）Connect digital display touch screen（4）, by little differential pressure sensor（3）The liberation of hydrogen draught head measured is converted
Computer is sent into electric signal（2）, computer（2）Signal conversion is carried out, in order to use EN10209:The liquid of 2013 standards
Position high evaluation method, liberation of hydrogen quantity and time-varying relationship are shown by liquid level and time curve.
2. the Steel for enamel scaling resistance detection device according to claim 1 based on micro differential pressure principle, it is characterised in that：
The little differential pressure sensor（3）And computer（2）It is placed in switch board（1）It is interior；Digital display touch screen（4）Positioned at switch board（1）It is upper
Surface layer.
3. the Steel for enamel scaling resistance detection device according to claim 1 based on micro differential pressure principle, it is characterised in that：
The hydrogen diffused liquid ascending pipe（15）Outside diameter is 5mm, a diameter of 1mm of inner circle；Hydrogen diffused liquid delivery line（16）Outer circle
A diameter of 5mm, a diameter of 0.5mm of inner circle.
4. the Steel for enamel scaling resistance detection device according to claim 1 based on micro differential pressure principle, it is characterised in that：
The expansion hydrogen slot（13）Hole wall and hydrogen diffused liquid ascending pipe（15）Between pass through the second rubber stopper（14）It is tightly connected.
5. the Steel for enamel scaling resistance detection device according to claim 1 based on micro differential pressure principle, it is characterised in that：
The steel sample to be measured（12）With liberation of hydrogen slot（10）With expansion hydrogen slot（13）Between pass through epoxy resin board geometrical clamp（11）With it is tight
Fixing bolt（17）It is fixed, blend rubber washer sealing.
6. a kind of Steel for enamel scaling resistance detection device using claim 1-5 any one of them based on micro differential pressure principle
Detection method, which is characterized in that comprise the concrete steps that：
1) by steel sample to be measured（12）Fixing seal is in liberation of hydrogen slot（10）With expansion hydrogen slot（13）Between,
2) expand hydrogen slot（13）Built-in full distilled water, bubble-free；
3) liberation of hydrogen slot（10）Built-in electrolyte, is then placed in thermometer（8）And platinum electrode（7）；
4) computer is opened（2）, in digital display touch screen（4）It is upper to expand hydrogen slot（13）Pressure value return-to-zero, computer（2）It is aobvious
Show and start to test when pressure signal is steady；
5）Use little differential pressure sensor（3）Measure steel sample to be measured（12）In liberation of hydrogen draught head, be converted into electric signal and be sent to
Computer（2）, computer（2）Signal conversion is carried out, in order to use EN10209:The liquid level evaluation side of 2013 standards
Method shows liberation of hydrogen quantity and time-varying relationship by liquid level and time curve；
6) digital display touch screen（4）Digital display screen shows pressure signal up to maximum value, i.e. liquid level time changing curve linearly closes
When being, stop Experiment Data Records and terminate to test；
7) experimental data of preservation is handled, obtains the hydrogen infiltration TH times under experimental temperature, and using EN10209:
2013 standards evaluate Steel for enamel fish scaling resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853714.1A CN105486739B (en) | 2015-11-30 | 2015-11-30 | Steel for enamel scaling resistance detection device and method based on micro differential pressure principle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510853714.1A CN105486739B (en) | 2015-11-30 | 2015-11-30 | Steel for enamel scaling resistance detection device and method based on micro differential pressure principle |
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| Publication Number | Publication Date |
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| CN105486739A CN105486739A (en) | 2016-04-13 |
| CN105486739B true CN105486739B (en) | 2018-06-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525908B (en) * | 2017-06-28 | 2020-07-28 | 柳州钢铁股份有限公司 | Method for detecting anti-scaling performance of cold-rolled enamel steel for water heater liner |
| CN110095523B (en) * | 2018-01-29 | 2021-05-14 | 宝山钢铁股份有限公司 | Method for predicting scale explosion occurrence probability of enamel product |
| CN111650258B (en) * | 2020-06-01 | 2022-11-25 | 上海应用技术大学 | Double-electrolysis experiment detection device and method for scaling property of enamel steel |
| CN112481664A (en) * | 2020-11-10 | 2021-03-12 | 上海应用技术大学 | Non-toxic electrolyte for detecting fish scaling resistance of enamel steel and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| CN2127171Y (en) * | 1992-05-20 | 1993-02-17 | 杜安棣 | High-pressure micro-difference pressure sensor |
| CN2203450Y (en) * | 1994-03-17 | 1995-07-12 | 中国科学院合肥智能机械研究所 | Device for measuring pressure microchange under high static pressure |
| KR0149691B1 (en) * | 1994-12-02 | 1998-12-01 | 김만제 | Measuring apparatus for hydrogen permeability time of enameled metal plate |
| CN2563562Y (en) * | 2002-06-25 | 2003-07-30 | 沈阳仪器仪表工艺研究所 | Differential pressure pick-up |
-
2015
- 2015-11-30 CN CN201510853714.1A patent/CN105486739B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2127171Y (en) * | 1992-05-20 | 1993-02-17 | 杜安棣 | High-pressure micro-difference pressure sensor |
| CN2203450Y (en) * | 1994-03-17 | 1995-07-12 | 中国科学院合肥智能机械研究所 | Device for measuring pressure microchange under high static pressure |
| KR0149691B1 (en) * | 1994-12-02 | 1998-12-01 | 김만제 | Measuring apparatus for hydrogen permeability time of enameled metal plate |
| CN2563562Y (en) * | 2002-06-25 | 2003-07-30 | 沈阳仪器仪表工艺研究所 | Differential pressure pick-up |
Non-Patent Citations (1)
| Title |
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| 搪瓷用钢板的抗鳞爆性能评价技术及贮氢性能研究;饶德怀;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20170315;全文 * |
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