CN106404205A - Three-channel stokehole molten iron quality management device and measurement method thereof - Google Patents
Three-channel stokehole molten iron quality management device and measurement method thereof Download PDFInfo
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- CN106404205A CN106404205A CN201610820686.8A CN201610820686A CN106404205A CN 106404205 A CN106404205 A CN 106404205A CN 201610820686 A CN201610820686 A CN 201610820686A CN 106404205 A CN106404205 A CN 106404205A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
Abstract
The invention relates to the technical field of engineering, and specifically discloses a three-channel stokehole molten iron quality management device. The three-channel stokehole molten iron quality management device is characterized in that the device comprises a data acquisition unit, and a data processing unit and a result display unit which are correlated with the data acquisition unit; the data acquisition unit includes three test sample cups, a data acquisition card and compensation conductors, each test sample cup is internally equipped with a temperature sensor, and the temperature sensors inside the test sample cups are correlated with the data acquisition card through the compensation conductors to form three independent data acquisition channels; the data processing unit includes an industrial personnel computer used for processing tested temperature data; the result display unit is a display connected with the industrial personnel computer; and the industrial personnel computer communicates with the data acquisition card online through a USB interface. The device is very suitable for controlling the quality of molten iron in production. When the device is used in process test, needed data can be obtained quickly, and thus, the test time is shortened greatly.
Description
Technical field
The present invention relates to field of engineering technology, specifically triple channel stokehold molten steel quality managing device and its measurement side
Method.
Background technology
The chemistry that molten steel quality managing device in stokehold is only used for individually testing molten iron with measuring method in the market becomes
Point or spheroidal graphite cast-iron Oxygen potential, the nodulizing rate of vermicular cast iron, does not realize composition, molten iron character detects simultaneously, in production control
Molten steel quality processed or engineer testing generally require to measure molten iron chemical composition and its character simultaneously, and therefore limitation is larger, opposite
Control molten steel quality or engineer testing to bring very big inconvenience on product, be applied to the time-consuming also longer of engineer testing.
Content of the invention
The present invention can provide a kind of triple channel stove that more than existing stokehold molten steel quality managing device can be overcome not enough
Front molten steel quality managing device and its measuring method.
The technical solution adopted for the present invention to solve the technical problems is：Triple channel stokehold molten steel quality managing device, bag
Include data acquisition unit and with its be mutually related data processing unit and result display unit, described data acquisition unit
Including test specimens cup, data collecting card and compensating wire, described test specimens cup is three groups, is equipped with temperature sensor respectively in it,
The built-in temperature sensor of test specimens cup is interrelated with data collecting card by compensating wire respectively, constitutes three groups of independent numbers
According to acquisition channel；Described data processing unit includes the industrial computer for processing dut temperature data；Described result shows
Unit is the display being connected with described industrial computer；It is online with described data collecting card that described industrial computer passes through USB interface
Communication.
Further, described industrial computer is built-in with modular measuring system, its module include casting pig test module,
Spheroidal graphite cast-iron test module and vermicular cast iron test module, this measuring system can collect simultaneously and calculate three groups of TCH test channels
Or the temperature data of optional one group or two groups TCH test channel.
It is K-type temperature thermocouple as preferred, described temperature sensor.
The measuring method of triple channel stokehold molten steel quality managing device：
（1）Before measurement, according to the type of molten iron to be measured, the select button switching being provided by measuring system is correct to test mould
Block, such as casting pig test module, spheroidal graphite cast-iron test module or vermicular cast iron test module.
（2）During measurement, the first group of test specimens cup that can select passage one is to survey composition special sample cup, also can survey three groups
Ping and be disposed as composition special sample cup, make three groups of TCH test channels all can measure hot metal composition, by measuring system simultaneously
Select test module and choose each passage；
When first group of test specimens cup from passage one is to survey composition special sample cup, by placing tellurium in this test specimens cup
Grain, force pour into molten iron solidify by metastable state mode；
When not placing tellurium grain inside passage two with passage three test specimens cup, pour into molten iron solidify by stable state mode, ferrum
Water solidification mode is different, and the characteristic temperature occurring in cooling procedure is different.The molten cast iron of liquid, for example：Gray iron molten iron, spheroidal graphite
After after molten iron or vermicular cast iron creepage rate after cast iron spheroidising, molten iron pours into the test specimens cup of each passage, data collecting card is real
When the temperature of temperature thermocouple in the sample cup of each passage is acquired, and the temperature data of each passage collecting is transferred to
Industrial computer, these temperature datas are depicted " Temperature-time " during the liquid molten steel solidification of each passage by industrial computer respectively
Curve, i.e. passage one cooling curve, passage two cooling curve and passage three cooling curve, the feature temperature on each passage cooling curve
Degree and the molten iron composition of gray iron, character or hot metal composition, character or be and compacted ink after processing with spheroidal graphite cast-iron nodularization
The close association of hot metal composition, character after cast iron creepage rate, the program that industrial computer passes through to write in advance cools down bent to each passage
The characteristic temperature of line is analyzed processing, and according to selected test module, calculates gray iron molten iron composition, before molten steel preparation and pregnant
Educate hot metal composition, Oxygen potential and pregnant effect of rear tensile strength, hardness and degree of supercooling or spheroidal graphite cast-iron nodularization process etc.
Or the hot metal composition after being vermicular cast iron creepage rate, nodulizing rate, pregnant effect etc..
It is also possible to according to practical situation, select to collect and calculate by modular measuring system simultaneously during actual measurement
Go out three groups of TCH test channels or the temperature data of optional one group or two groups TCH test channel.
The invention has the beneficial effects as follows：The method being measured with it by three-channel setting can efficiently to casting pig,
Spheroidal graphite cast-iron and vermicular cast iron hot metal composition and the multinomial character parameter of molten iron detect simultaneously, and can be same according to practical situation
When flexibly select to use three passages or an optional passage or two passages, have for controlling molten steel quality to provide one
Effect, conveniently means, are especially suitable for producing control molten steel quality, and can quickly draw institute during for engineer testing
The data wanted, thus greatly shorten test period.
Brief description
The schematic diagram of Fig. 1 triple channel of the present invention stokehold molten steel quality managing device.
The cooling chart of Fig. 2 present invention.
Fig. 3 is measurement result display schematic diagram of the present invention.
Fig. 4 is channel selecting schematic diagram of the present invention.
Fig. 5 is the schematic diagram of each passage of the present invention and test event content.
In figure：1. data acquisition unit 2. data processing unit 3. result display unit 4. test specimens cup 5. temperature passes
Sensor 6. compensating wire, 7. data collecting card, 8. industrial computer, 9. display, 10. passage, one cooling curve, 11. passages two are cold
But curve 12. passage three cooling curve.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Accompanying drawing and embodiment, the invention will be further elaborated.It should be appreciated that embodiment described herein is used only for explaining this
Invention, is not intended to limit the present invention.
Triple channel stokehold molten steel quality managing device as shown in Figure 1, including data acquisition unit 1 and interrelated with it
Data processing unit 2 and result display unit 3, described data acquisition unit 1 includes test specimens cup 4, data collecting card 7
With compensating wire 6, described test specimens cup 4 is three groups, is equipped with temperature sensor 10 in it respectively, the built-in temperature of test specimens cup passes
Sensor is interrelated with data collecting card 7 by compensating wire 6 respectively, constitutes three groups of independent data acquisition channels；Described
Data processing unit 2 includes the industrial computer 8 for processing dut temperature data；Described result display unit 3 is and described work
The display 9 that control machine 8 is connected；Described industrial computer 8 passes through USB interface and data collecting card 7 on-line communication.
Described industrial computer 8 is built-in with modular measuring system, and its module includes casting pig test module, spheroidal graphite cast-iron
Test module and vermicular cast iron test module, this measuring system can collect simultaneously and calculate three groups of TCH test channels or optionally
The temperature data of one group or two groups TCH test channel.
As shown in Figure 2-5, the measuring method of triple channel stokehold molten steel quality managing device：
（1）Before measurement, according to the type of molten iron to be measured, the select button switching being provided by measuring system is correct to test mould
Block, such as casting pig test module, spheroidal graphite cast-iron test module or vermicular cast iron test module.
（2）During measurement, the first group of test specimens cup that can select passage one is to survey composition special sample cup, also can survey three groups
Ping and be disposed as composition special sample cup, make three groups of TCH test channels all can measure hot metal composition, by measuring system simultaneously
Select test module and choose each passage；
When first group of test specimens cup from passage one is to survey composition special sample cup, by placing tellurium in this test specimens cup
Grain, force pour into molten iron by metastable state mode（Meta system spoken parts in traditional operas mode）Solidification；
When not placing tellurium grain inside passage two with passage three test specimens cup, pour into molten iron by stable state mode（Stability series
Grey mouth mode）Solidification, molten steel solidification mode is different, and the characteristic temperature occurring in cooling procedure is different.The molten cast iron of liquid, example
After molten iron or vermicular cast iron creepage rate after processing as gray iron molten iron, spheroidal graphite cast-iron nodularization, molten iron pours into the test specimens cup of each passage
Afterwards, data collecting card is acquired to the temperature of temperature thermocouple in the sample cup of each passage in real time, and each passage collecting
Temperature data be transferred to industrial computer, these temperature datas are depicted the liquid molten steel solidification of each passage by industrial computer respectively（By
Liquid is changed into solid-state）During " Temperature-time " curve, i.e. passage one cooling curve 10, passage two cooling curve 11 and
Passage three cooling curve 12, the characteristic temperature on each passage cooling curve（Passage one：Liquidus temperature TL and eutectic temperature TE, lead to
Road two and passage three：Liquidus temperature TL, eutectic supercooling temperature TEU, eutectic rise temperature TER）Molten iron composition, character with gray iron
（Before molten steel preparation and breed rear tensile strength, hardness and degree of supercooling etc.）Or molten iron becomes after processing with spheroidal graphite cast-iron nodularization
Point, character（Oxygen potential and pregnant effect etc.）Or be with vermicular cast iron creepage rate after hot metal composition, character（Nodulizing rate,
Pregnant effect etc.）Close association, the program that industrial computer 8 passes through to write in advance is carried out to the characteristic temperature of each passage cooling curve
Analyzing and processing, according to selected test module, calculates gray iron molten iron composition, before molten steel preparation and breed rear tensile strength, hard
The character such as hot metal composition, Oxygen potential and the pregnant effect that degree and the character such as degree of supercooling or spheroidal graphite cast-iron nodularization are processed or
It is the character such as hot metal composition after vermicular cast iron creepage rate, nodulizing rate, pregnant effect.
It is also possible to according to practical situation, select to collect and calculate by modular measuring system simultaneously during actual measurement
Go out three groups of TCH test channels or the temperature data of optional one group or two groups TCH test channel, measured with it by three-channel setting
Method can efficiently be examined to casting pig, spheroidal graphite cast-iron and vermicular cast iron hot metal composition and the multinomial character parameter of molten iron simultaneously
Survey, and flexibly can select to use three passages or an optional passage or two passages according to practical situation simultaneously, be
Control molten steel quality provide one effectively, conveniently means, be especially suitable for producing control molten steel quality, and be used for
Desired data can quickly be drawn, thus greatly shortening test period during engineer testing.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any modification, equal replacement and improvement of being made within principle etc., all should fall within the scope and spirit of the invention.
Claims (4)
1. triple channel stokehold molten steel quality managing device it is characterised in that：It is mutually related including data acquisition unit with it
Data processing unit and result display unit, described data acquisition unit includes test specimens cup, data collecting card and compensation
Wire, described test specimens cup is three groups, is equipped with temperature sensor respectively, the built-in temperature sensor of test specimens cup is led to respectively in it
Overcompensation wire is interrelated with data collecting card, constitutes three groups of independent data acquisition channels；Described data processing unit
Including the industrial computer for processing dut temperature data；Described result display unit is the display being connected with described industrial computer
Device；Described industrial computer passes through USB interface and described data collecting card on-line communication.
2. triple channel stokehold according to claim 1 molten steel quality managing device it is characterised in that：In described industrial computer
It is equipped with modular measuring system, measuring system includes casting pig test module, spheroidal graphite cast-iron test module and vermicular cast iron and surveys
Die trial block, this measuring system can collect simultaneously and calculate three groups of TCH test channels or optional one group or two groups TCH test channel
Temperature data.
3. triple channel stokehold according to claim 1 molten steel quality managing device it is characterised in that：Described temperature sensing
Device is K-type temperature thermocouple.
4. the measuring method of triple channel stokehold molten steel quality managing device：
（1）Before measurement, according to the type of molten iron to be measured, the select button switching being provided by measuring system is correct to test mould
Block.
（2）During measurement, the first group of test specimens cup that can select passage one is to survey composition special sample cup, also can three groups of tests lead to
Road is disposed as composition special sample cup, makes three groups of TCH test channels all can measure hot metal composition simultaneously, is selected by measuring system
Test module simultaneously chooses each passage；
When first group of test specimens cup from passage one is to survey composition special sample cup, by placing tellurium in this test specimens cup
Grain, force pour into molten iron solidify by metastable state mode；
When not placing tellurium grain inside passage two with passage three test specimens cup, pour into molten iron solidify by stable state mode, ferrum
Water solidification mode is different, and the characteristic temperature occurring in cooling procedure is also different.
After the molten cast iron creepage rate of liquid, molten iron pours into the test specimens cup of each passage, and data collecting card is in real time to each passage
Sample cup in the temperature of temperature thermocouple be acquired, and the temperature data of each passage collecting is transferred to industrial computer, work
These temperature datas are depicted " Temperature-time " curve during the liquid molten steel solidification of each passage by control machine respectively, that is, lead to
Road one cooling curve, passage two cooling curve and passage three cooling curve, the characteristic temperature on each passage cooling curve and gray iron
Molten iron composition, character or hot metal composition, character or be and vermicular cast iron compactedization after processing with spheroidal graphite cast-iron nodularization
The close association of hot metal composition, character after process, industrial computer passes through the program the write in advance feature to each passage cooling curve
Temperature is analyzed processing, and according to selected test module, calculates gray iron molten iron composition, before molten steel preparation and breed rear tension
Hot metal composition, Oxygen potential and pregnant effect that intensity, hardness and degree of supercooling or spheroidal graphite cast-iron nodularization are processed etc. or be
Hot metal composition after vermicular cast iron creepage rate, nodulizing rate, pregnant effect.
It is also possible to according to practical situation, select to collect by modular measuring system and calculate three simultaneously during actual measurement
Group TCH test channel or the temperature data of optional one group or two groups TCH test channel.
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| CN201610820686.8A CN106404205A (en) | 2016-09-13 | 2016-09-13 | Three-channel stokehole molten iron quality management device and measurement method thereof |
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| CN201610820686.8A CN106404205A (en) | 2016-09-13 | 2016-09-13 | Three-channel stokehole molten iron quality management device and measurement method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632862A (en) * | 2018-11-30 | 2019-04-16 | 银峰铸造（芜湖）有限公司 | Thermal energy analyzer and analysis method |
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| US5720553A (en) * | 1995-11-02 | 1998-02-24 | Midwest Instrument Co., Inc. | Apparatus and process for rapid direct dip analysis of molten iron |
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| CN203870046U (en) * | 2014-04-18 | 2014-10-08 | 江铃汽车股份有限公司 | Multi-channel molten iron thermal analyzer |
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Patent Citations (4)
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| CN1105124A (en) * | 1993-10-15 | 1995-07-12 | 日本萨布兰斯探测工程株式会社 | Method and sample taking container for judge of existence of nodularizer and tendency of chill of sheet graphite cast iron |
| US5720553A (en) * | 1995-11-02 | 1998-02-24 | Midwest Instrument Co., Inc. | Apparatus and process for rapid direct dip analysis of molten iron |
| CN203025128U (en) * | 2012-08-06 | 2013-06-26 | 大连润恒科技有限公司 | Thermal analysis device capable of detecting manganese content of molten iron |
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| 李大勇等: "ZC一20B型铁水质量炉前快速分析仪的研制", 《应用科学学报》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632862A (en) * | 2018-11-30 | 2019-04-16 | 银峰铸造（芜湖）有限公司 | Thermal energy analyzer and analysis method |
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Application publication date: 20170215 |
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