CN201145676Y - Iron ore melting dripping test device - Google Patents
Iron ore melting dripping test device Download PDFInfo
- Publication number
- CN201145676Y CN201145676Y CNU2008200604285U CN200820060428U CN201145676Y CN 201145676 Y CN201145676 Y CN 201145676Y CN U2008200604285 U CNU2008200604285 U CN U2008200604285U CN 200820060428 U CN200820060428 U CN 200820060428U CN 201145676 Y CN201145676 Y CN 201145676Y
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- iron ore
- weighing device
- drips
- test unit
- ore fusion
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Abstract
The utility model relates to a novel iron ore fusion dropping test device which mainly solves the technical problem of misjudgment of a light sense sensor. The technical proposal is as follows: the iron ore fusion dropping test device comprises a simulation furnace and a weighing device below the simulation furnace, wherein the weighing device is connected with a data acquisition unit through a signal wire of a weighing sensor, and the data acquisition unit is respectively connected with a thermocouple and a computer in the simulation furnace through the signal wire. A thin fire resistant brick is arranged between a graphite crucible and a tray. The weighing device is sealed in a cooling protective box body where cooling water flows, the box body is provided with a cooling water inlet and a cooling water outlet, the weighing device is fixed on the bottom of the box body, and the box body is also provided with a protective gas inlet. An observation window is arranged between the graphite crucible and the simulation furnace on the front face of the box body, and a protective hood with an inclination angle of between 30 and 45 degrees is arranged above the graphite crucible. The iron ore fusion dropping test device is mainly used to detect the temperature of molten iron during an iron ore fusion dropping test.
Description
Technical field:
The utility model relates to a kind of novel iron ore fusion test unit that drips, particularly a kind of weighing and sensing apparatus that is applied to detect in the test of iron ore molten drop molten iron temperature.
Background technology:
Iron ore molten drop test be a kind of can the analog blast furnace smelting condition, the iron ore heating of solid is reduced to the slag of liquid and molten iron and the process of dripping, its main performance assessment criteria is a molten iron drippage temperature.Temperature when present iron ore molten drop test unit mainly adopts the light sensation sensor to measure molten iron moment drippage.But, because the slag iron mixture at first drips, be only the molten iron drippage then, thus the temperature of light sensation sensor when usually the slag iron mixture being dripped to take for be the drippage temperature of molten iron, influence accuracy of experimental results.If adopt the induction installation of LOAD CELLS as the molten drop testing equipment, can judge molten iron drippage temperature according to the weight of dropping, truly reflect the melt-dropping property index of iron ore.
The utility model content:
The purpose of this utility model provides a kind of iron ore fusion that can accurately judge molten iron drippage temperature test unit that drips, and mainly solves the technical matters that the light sensation sensor can be judged by accident.The utility model thinking is to adopt the induction installation of LOAD CELLS as iron ore molten drop test unit, temperature when accurately measuring the molten iron drippage, different according to slag and molten iron density, adopt LOAD CELLS as the drip sensor of test unit of fusion, LOAD CELLS and thermopair are transferred to data acquisition unit with weight signal and temperature signal respectively, and show weight and temperature on computers.When dropping weight during greater than setting value 5.0g, the temperature of this moment is gathered and write down to computer automatically, i.e. molten iron drippage temperature.
Technical solutions of the utility model are: a kind of iron ore fusion test unit that drips, comprise the simulation stove and be positioned at the weighing device of simulating the stove below, weighing device is connected with data acquisition unit by the load cell signal line, and data acquisition unit also connects thermopair and computer in the simulation stove respectively by signal wire.Described weighing device claims core, LOAD CELLS pallet by LOAD CELLS and places on the pallet crucible to form, the simulation stove is made of body of heater, alundum tube, graphite reaction tube and graphite trustship, and trustship is connected in body of heater from top to bottom successively with graphite for alundum tube, graphite reaction tube.Between carbon crucible and pallet, be placed with slim refractory brick; weighing device is sealed in stream to be had in the cooling protection casing of chilled water; on casing, be provided with cooling water intake and cooling water outlet; weighing device is fixed on bottom half; on casing, also be provided with the blanket gas import; be provided with observation window between the front of casing carbon crucible and simulation stove, the mounting inclination angle degree is 30-45 ° a protective cover above graphite crucible.
Iron ore and coke drip when temperature reaches 1400～1500 ℃ of left and right sides, molten iron drops onto in the graphite crucible through the aperture of graphite reaction tube bottom when drippage, in the process of the test, LOAD CELLS and thermopair are transferred to data acquisition unit with weight signal and temperature signal respectively, and show weight and temperature on computers, when LOAD CELLS weight showed greater than 5.0g, the temperature of this moment is gathered and write down to computer automatically, i.e. molten iron drippage temperature.
The beneficial effects of the utility model are accurately to measure molten iron moment drippage temperature according to the moment weight change, and protect LOAD CELLS to claim core by refractory brick, protective cover and chilled water, prolong the serviceable life of LOAD CELLS.The utility model also is applicable to the measurement of other high temperature melt substance drippage temperature.
Description of drawings:
Accompanying drawing is the utility model structure diagram
Among the figure: 1-iron ore, 2-alundum tube, 3-graphite reaction tube, 4-coke; the trustship of 5-graphite, 6-coolant outlet, 7-view window, 8-protective cover; the 9-graphite crucible, 10-cooling water inlet, 11-refractory brick; 12-LOAD CELLS pallet, the import of 13-blanket gas, the 14-LOAD CELLS claims core; the 15-thermopair, 16-data acquisition unit, 17-computer; 18-load cell signal line, 19-body of heater, 20-cooling protection casing.
Embodiment:
With reference to accompanying drawing, a kind of iron ore fusion test unit that drips, comprise the simulation stove and be positioned at the weighing device of simulating the stove below, weighing device is connected with data acquisition unit 16 (16 tunnel 14 external data acquisition units that Beijing Haiquan sensing Science and Technology Ltd. produces) by load cell signal line 18, and data acquisition unit 16 also connects thermopair 15 and computer 17 in the simulation stove respectively by signal wire.Described weighing device claims core 14 (model JJ500, the range 500g that the two outstanding testing tool in Changshu factory produces, the LOAD CELLS of precision 0.25%), LOAD CELLS pallet 12 by LOAD CELLS and places on the pallet carbon crucible 9 to form, the simulation stove is made of body of heater 19, alundum tube 2, graphite reaction tube 3 and graphite trustship 5, and alundum tube 2, graphite reaction tube 3 and graphite trustship 5 are connected in body of heater from top to bottom successively.Between carbon crucible 9 and pallet 12, be placed with slim refractory brick 11; weighing device is sealed in stream to be had in the cooling protection casing 20 of chilled water; on casing, be provided with cooling water intake 10 and cooling water outlet 6; weighing device is fixed on bottom half; on casing, also be provided with blanket gas import 13; be provided with observation window 7 between the front of casing carbon crucible and simulation stove, the mounting inclination angle degree is 30-45 ° a protective cover 8 above graphite crucible.Iron ore 1 and coke 4 drip when temperature reaches 1450～1500 ℃ of left and right sides, molten iron drips through the aperture of graphite reaction tube 3 bottoms when drippage, drop onto slag, in the iron receiver graphite crucible 9, the main effect of slim refractory brick 11 is to prevent that the too high LOAD CELLS that burns out of molten iron temperature from claiming core 14 below the graphite crucible 9, the fundamental purpose of graphite crucible 9 top protective covers 8 is to prevent that the slag iron that spills from burning out LOAD CELLS and claiming core 14, chilled water flows into from cooling water inlet 10, from coolant outlet 6, flow out, reduced the environment temperature of LOAD CELLS, LOAD CELLS pallet 12 and LOAD CELLS claim core 14 to be fixed on the bottom, LOAD CELLS and thermopair 15 are transferred to data acquisition unit with weight signal and temperature signal respectively during the molten iron drippage, and show instantaneous weight and temperature on computers.When LOAD CELLS weight showed greater than 5.0g, the temperature of this moment is gathered and write down to computer automatically, and promptly molten iron drips temperature, improved the accuracy of molten iron drippage temperature.Shanghai Meishan Iron﹠ Steel Co., Ltd's technique center iron ore molten drop test shows that when adopting molten drop test unit of the present utility model to detect molten iron drippage temperature, molten iron drippage temperature results has improved 5～10 ℃, receives good effect.
Claims (7)
1, a kind of iron ore fusion test unit that drips, it is characterized in that comprising the simulation stove and be positioned at the weighing device of simulating the stove below, weighing device is connected with data acquisition unit by the load cell signal line, and data acquisition unit also connects thermopair and computer in the simulation stove respectively by signal wire.
2, described a kind of iron ore fusion according to claim 1 test unit that drips, it is characterized in that weighing device claims core, LOAD CELLS pallet by LOAD CELLS and places on the pallet crucible to form, the simulation stove is made of body of heater, alundum tube, graphite reaction tube and graphite trustship, and trustship is connected in body of heater from top to bottom successively with graphite for alundum tube, graphite reaction tube.
3, described a kind of iron ore fusion according to claim 2 test unit that drips is characterized in that being placed with slim refractory brick between carbon crucible and pallet.
4, described a kind of iron ore fusion according to claim 1 test unit that drips; it is characterized in that weighing device is sealed in stream and has in the cooling protection casing of chilled water; be provided with cooling water intake and cooling water outlet on casing, weighing device is fixed on bottom half.
5, described a kind of iron ore fusion according to claim 1 test unit that drips is characterized in that also being provided with the blanket gas import on casing.
6, described a kind of iron ore fusion according to claim 1 test unit that drips is characterized in that being provided with observation window between the front of casing carbon crucible and simulation stove.
7, described a kind of iron ore fusion according to claim 1 test unit that drips is characterized in that above graphite crucible mounting inclination angle degree is 30-45 ° a protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200604285U CN201145676Y (en) | 2008-01-18 | 2008-01-18 | Iron ore melting dripping test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200604285U CN201145676Y (en) | 2008-01-18 | 2008-01-18 | Iron ore melting dripping test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145676Y true CN201145676Y (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200604285U Expired - Fee Related CN201145676Y (en) | 2008-01-18 | 2008-01-18 | Iron ore melting dripping test device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666762B (en) * | 2009-09-25 | 2011-06-22 | 中南大学 | Detecting method of liquid-phase generation characteristics of sintered iron ore |
| CN102213548A (en) * | 2011-05-20 | 2011-10-12 | 重庆科技学院 | Molten drop furnace for measuring molten drop point of iron ore |
| CN102262050A (en) * | 2011-04-28 | 2011-11-30 | 抚顺新钢铁有限责任公司 | Protective device for laser detection probe |
| CN103076357A (en) * | 2013-01-18 | 2013-05-01 | 中国科学技术大学 | Inert gas-protected thermoplastic material heating, melting, dripping and combusting test device |
| CN103091349A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Visualization experiment device for dynamic process of interaction between water and molten metal |
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| CN105300776A (en) * | 2015-11-10 | 2016-02-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Sample settling method for fusion dripping experiment |
| CN105803139A (en) * | 2016-03-25 | 2016-07-27 | 首钢总公司 | Molten drop test material distribution method and system simulating actual blast furnace burden material distribution |
| CN106268998A (en) * | 2016-09-29 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of iron mine molten drop crucible device |
| CN107328692A (en) * | 2017-07-21 | 2017-11-07 | 广州市祥利仪器有限公司 | A kind of melt flow rate (MFR) determines device |
| CN107840329A (en) * | 2017-12-16 | 2018-03-27 | 江西正拓新能源科技股份有限公司 | A kind of high performance Delanium stove |
| CN110793880A (en) * | 2019-09-30 | 2020-02-14 | 鞍钢股份有限公司 | Device and method for simulating metallurgical reduction mineral aggregate process |
| CN111044434A (en) * | 2019-12-31 | 2020-04-21 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
-
2008
- 2008-01-18 CN CNU2008200604285U patent/CN201145676Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666762B (en) * | 2009-09-25 | 2011-06-22 | 中南大学 | Detecting method of liquid-phase generation characteristics of sintered iron ore |
| CN102262050A (en) * | 2011-04-28 | 2011-11-30 | 抚顺新钢铁有限责任公司 | Protective device for laser detection probe |
| CN102213548A (en) * | 2011-05-20 | 2011-10-12 | 重庆科技学院 | Molten drop furnace for measuring molten drop point of iron ore |
| CN102213548B (en) * | 2011-05-20 | 2013-02-13 | 重庆科技学院 | Molten drop furnace for measuring molten drop point of iron ore |
| CN103091349A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Visualization experiment device for dynamic process of interaction between water and molten metal |
| CN103091349B (en) * | 2013-01-15 | 2014-11-19 | 上海交通大学 | Visualization experiment device for dynamic process of interaction between water and molten metal |
| CN103076357A (en) * | 2013-01-18 | 2013-05-01 | 中国科学技术大学 | Inert gas-protected thermoplastic material heating, melting, dripping and combusting test device |
| CN103713007B (en) * | 2013-12-09 | 2016-05-25 | 东北大学 | The softening drippage point of sintering deposit experimental apparatus for testing |
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| CN105300776A (en) * | 2015-11-10 | 2016-02-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Sample settling method for fusion dripping experiment |
| CN105803139A (en) * | 2016-03-25 | 2016-07-27 | 首钢总公司 | Molten drop test material distribution method and system simulating actual blast furnace burden material distribution |
| CN105803139B (en) * | 2016-03-25 | 2018-06-26 | 首钢集团有限公司 | The molten drop experiment distributing method and system of a kind of analog blast furnace furnace charge actual distribution |
| CN106268998A (en) * | 2016-09-29 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of iron mine molten drop crucible device |
| CN107328692A (en) * | 2017-07-21 | 2017-11-07 | 广州市祥利仪器有限公司 | A kind of melt flow rate (MFR) determines device |
| CN107840329A (en) * | 2017-12-16 | 2018-03-27 | 江西正拓新能源科技股份有限公司 | A kind of high performance Delanium stove |
| CN110793880A (en) * | 2019-09-30 | 2020-02-14 | 鞍钢股份有限公司 | Device and method for simulating metallurgical reduction mineral aggregate process |
| CN111044434A (en) * | 2019-12-31 | 2020-04-21 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
| CN111044434B (en) * | 2019-12-31 | 2022-02-15 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20140118 |