CN102865842A - Steel ladle slag layer thickness measuring device and preparation method and measurement method thereof - Google Patents
Steel ladle slag layer thickness measuring device and preparation method and measurement method thereof Download PDFInfo
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- CN102865842A CN102865842A CN2012103810834A CN201210381083A CN102865842A CN 102865842 A CN102865842 A CN 102865842A CN 2012103810834 A CN2012103810834 A CN 2012103810834A CN 201210381083 A CN201210381083 A CN 201210381083A CN 102865842 A CN102865842 A CN 102865842A
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- slag layer
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Abstract
The invention discloses a steel ladle slag layer thickness measuring device and belongs to the technical field of steel metallurgy. The steel ladle slag layer thickness measuring device comprises a rod with a fixed clamping head, the rod clamps a steel bar through the fixed clamping head, and a slag wrapping layer is arranged outside the steel bar. The steel ladle slag layer thickness measuring device is simple in structure and is prepared from waste generated during production so as to achieve waste use and save valuable resources, and a preparation method is low in cost. The steel ladle slag layer thickness measuring device is used for measuring the thickness of slag layers in steel ladles and is simple and feasible in method, accurate in measurement result and low in energy consumption, and aluminum cannot be doped in molten steel. Besides, the steel ladle slag layer thickness measuring device can be reused after measurement procedures are completed, so that production cost is reduced.
Description
Technical field
The invention belongs to technical field of ferrous metallurgy, be specifically related to a kind of ladle slag layer thickness measurement mechanism, its preparation method and measuring method thereof.
Background technology
Along with the production-scale expansion of modern industry, the requirement of iron and steel kind and quality is also being improved constantly.For strict control product quality, it is particularly important that the quality control in the metallurgical process seems.In the converter process of falling the steel, the lower quantity of slag how much affected follow-up slag making and refining process.Therefore, need to the numerical value of a quantification be arranged to instruct subsequent production to the lower quantity of slag.
Name is called " melted metal level slag thick testing probe ", and the patent No. is that 97234297.4 Chinese utility model has been announced a kind of probe of measuring high-temperature metal liquid level and molten slag layer thickness.The front end of its probe has the steel cap of side perforate all around, and it places between behaviour's pretective sleeve pipe and the packing ring.Two electrodes are arranged in the steel cap, draw in insulating packing by wire respectively.Rely on the decline of lifting measuring staff during measurement, probe is immersed in slag or the molten metal; After being completed, the lifting measuring staff rises, and will popping one's head in, it is unsettled to promote.The potential fluctuation that causes by measuring different solutions conductance difference obtains the elevating lever run duration, cooperates lifter rod lifting speed can obtain the molten slag layer thickness.This patent can obtain preferably measurement result, but at the uniform velocity mobile requirement makes the equipment complexity and safeguards inconvenience to elevating lever, and in addition because solution temperature is high, probe need to often be changed.
More general way is to adopt aborning the aluminium bar mensuration, utilizes the slag blanket temperature different with molten steel temperature, and aluminium bar is melted in rapidly in molten steel in the slag liquid and melts slowlyer, utilizes the mistiming between the two, measures the length of the part that weathers on the aluminium bar.Can obtain the data of required thickness of slag layer.The aluminium bar mensuration adopts aluminium bar to measure, and expends the more expensive aluminium of price, and production cost is high, and molten steel component is exerted an influence, and can not reuse.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of ladle slag layer thickness measurement mechanism, its preparation method and measuring method thereof that can reduce production costs is provided.
A kind of ladle slag layer thickness measurement mechanism comprises one with the bar section of fixed chuck, and described bar section is by one section rod iron of fixed chuck clamping, and described rod iron outside is the slag integument.
Preferably, the length of described rod iron is 30cm-50cm, and radius is 0.5-1cm.
Described bar section with fixed chuck is used for the clamping rod iron, increases operating personnel and converter distance, avoids the dangerous threats such as high temperature, and its length determines with the work on the spot environment.
The preparation method of above-mentioned ladle slag layer thickness measurement mechanism comprises following method step:
(1) bar section with fixed chuck of preparation;
(2) choose one section rod iron, with the fixed chuck clamping rod iron of described bar section;
(3) grip described bar section, described rod iron is extend in the molten steel molten slag layer, then withdraw from, the rod iron molten slag layer part wall hanging last layer integument that submerges;
(4) step (3) gained device is left standstill, treat the integument cooling of wall hanging, get ladle slag layer thickness measurement mechanism.
Preferably, step (3) makes molten slag layer not there be 1/4 to 1/2 place of rod iron.
Preferably, leaving standstill cool time in the described step (4) is 30 seconds.
The measuring method of described ladle slag layer thickness measurement mechanism comprises following method step:
A. grip described bar section, vertically insert described rod iron with the slag integument in the ladle, make molten steel not have 1/5 of rod iron length to arrive and do not have whole slag integument, under the high temperature melting of molten steel, the slag integument that rod iron submerges in the molten steel melts rapidly, and the slag integument of the molten slag layer that the temperature of submerging is lower then melts very slow, 2-5 takes out rod iron after second, rod iron is dross again, and the rod iron molten steel segment thickness that submerges is thinner, and the rod iron molten slag layer segment thickness that submerges is thicker;
The ladle slag layer thickness measurement mechanism that B. will take out from above-mentioned steps A leaves standstill, cooling;
C. the length of thicker section of the ladle slag layer thickness measurement mechanism dross that obtains of measuring process B, this length is the thickness of molten slag layer.
Preferably, behind above-mentioned steps C, increase step D: remove the slag integument of described rod iron, can beat by the employing instrument, or the mode of beating.
Preferably, behind above-mentioned steps D, increase step e: grip described bar section, described rod iron is extend in the molten steel molten slag layer, then withdraw from, the rod iron molten slag layer part wall hanging last layer integument that submerges, described ladle slag layer thickness measurement mechanism restores to the original state, and can reuse.
Principle of the present invention is: the slag that produces take steel making working procedure utilizes slag to melt fast or be etched in molten steel as the basis, and its thawing or erosive velocity are then obviously than slow in the molten steel in slag blanket.Utilize difference between the two to melt or erosion rate, can judge slag layer thickness.In the selection of material, it is matrix that the present invention adopts slag, all kinds of slags in the steelmaking process can wall built-up on the rod iron that stretches into, thereby the purpose that realizes replacing aluminium bar reaches and reduces the purpose that cost, material consumption reduce.
Compared with prior art, ladle slag layer thickness measurement mechanism provided by the invention is simple in structure, adopts the refuse preparation that produces in the production run, and precious resources is saved in salvaging, and preparation method's cost is low.Adopt this ladle slag layer thickness measurement mechanism to measure the thickness of molten slag layer in the ladle, the method simple possible, test result is accurate, consume energy low, can adulterated al in the molten steel, this ladle slag layer thickness measurement mechanism also can reuse after process of measurement finished, and reduced production costs.
Description of drawings
Fig. 1 is the structural representation of ladle slag layer thickness measurement mechanism of the present invention.
Wherein, 1, bar section 2, fixed chuck 3, rod iron 4, slag integument
Specific embodiments
The present invention will be further described below in conjunction with embodiment, but be not limited to this.
As shown in Figure 1, a kind of ladle slag layer thickness measurement mechanism comprises one with the bar section 1 of fixed chuck 2, and bar section 1 length is 2.5m, bar section 1 is that 50cm, diameter are the rod iron 3 of 1cm by fixed chuck 2 clampings one segment length, and described rod iron 3 outsides are slag integuments 4.
The preparation method of above-mentioned ladle slag layer thickness measurement mechanism comprises following method step:
(1) bar section 1 with fixed chuck 2 of preparation, bar section 1 length is 2.5m;
(2) choosing a segment length is that 50m, diameter are the rod iron 3 of 1cm, with the fixed chuck 2 clamping rod irons 3 of described bar section 1;
(3) grip described bar section 1, the 25cm length section of described rod iron 3 is extend in the ladle molten slag layer, then at the uniform velocity withdraw from, the rod iron 3 molten slag layer part wall hanging last layer slag integument 4 that submerges;
(4) step (3) gained device was left standstill 30 seconds, treat the slag integument cooling of wall hanging, can get described ladle slag layer thickness measurement mechanism.
The method of using above-mentioned ladle slag layer thickness measurement mechanism to measure comprises following method step:
A. grip described bar section 1, with described rod iron 3 vertical insertions in the ladle with slag integument 4, make molten steel not have the length 20cm place of rod iron 3, under the high temperature melting of molten steel, the slag integument that rod iron 3 submerges in the molten steel melts rapidly, and the slag integument of the molten slag layer that the temperature of submerging is lower then is not melted, 2-5 at the uniform velocity takes out rapidly rod iron 3 second afterwards, rod iron 3 is wall hanging one deck slag again, and the rod iron 3 molten steel segment thickness that submerges is thinner, and the rod iron 3 slag segment thickness that submerges is thicker;
B. the ladle slag layer thickness measurement mechanism behind the above-mentioned steps A again dross is left standstill cooling;
C. the length of thicker section of the ladle slag layer thickness measurement mechanism dross that obtains of measuring process B, this length is the thickness of molten slag layer.
D. remove the slag integument 4 of described rod iron 3, can beat by the employing instrument, or the mode of beating.
E. grip described bar section 1, described rod iron 3 is extend in the ladle molten slag layer, then withdraw from, the rod iron 3 molten slag layer part wall hanging last layer slag integument 4 that submerges, described ladle slag layer thickness measurement mechanism restores to the original state.
Claims (8)
1. a ladle slag layer thickness measurement mechanism is characterized in that, comprises one with the bar section of fixed chuck, and described bar section is by one section rod iron of fixed chuck clamping, and described rod iron outside is the slag integument.
2. ladle slag layer thickness measurement mechanism according to claim 1 is characterized in that, the length of described rod iron is 30cm-50cm, and radius is 0.5-1cm.
3. the preparation method of ladle slag layer thickness measurement mechanism claimed in claim 1 is characterized in that, comprises following method step:
(1) bar section with fixed chuck of preparation;
(2) choose one section rod iron, with the fixed chuck clamping rod iron of described bar section;
(3) grip described bar section, described rod iron is extend in the molten steel molten slag layer, then withdraw from, the rod iron molten slag layer part wall hanging last layer integument that submerges;
(4) step (3) gained device is left standstill, treat the integument cooling of wall hanging, get ladle slag layer thickness measurement mechanism.
4. the preparation method of ladle slag layer thickness measurement mechanism claimed in claim 3 is characterized in that, described step (3) makes molten slag layer not there be 1/4 to 1/2 place of rod iron.
5. the preparation method of ladle slag layer thickness measurement mechanism according to claim 4 is characterized in that, leaving standstill cool time in the described step (4) is 30 seconds.
6. the measuring method of ladle slag layer thickness measurement mechanism claimed in claim 1 is characterized in that, the measuring method of described ladle slag layer thickness measurement mechanism comprises following method step:
A. grip described bar section, vertically insert described rod iron with the slag integument in the ladle, make molten steel not have 1/5 of rod iron length to arrive and do not have whole slag integument, under the high temperature melting of molten steel, the slag integument that rod iron submerges in the molten steel melts rapidly, and the slag integument of the molten slag layer that the temperature of submerging is lower then melts very slow, 2-5 takes out rod iron after second, rod iron is dross again, and the rod iron molten steel segment thickness that submerges is thinner, and the rod iron molten slag layer segment thickness that submerges is thicker;
The ladle slag layer thickness measurement mechanism that B. will take out from above-mentioned steps A leaves standstill, cooling;
C. the length of thicker section of the ladle slag layer thickness measurement mechanism dross that obtains of measuring process B, this length is the thickness of molten slag layer.
7. the measuring method of ladle slag layer thickness measurement mechanism according to claim 6 is characterized in that, at the described step D that increases after stating step C: the slag integument that removes described rod iron.
8. the measuring method of ladle slag layer thickness measurement mechanism according to claim 7, it is characterized in that, behind described step D, increase step e: grip described bar section, described rod iron is extend in the molten steel molten slag layer, then withdraw from, the rod iron molten slag layer part wall hanging last layer integument that submerges, described ladle slag layer thickness measurement mechanism restores to the original state.
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| CN201510256706.9A CN105157650B (en) | 2012-09-29 | 2012-09-29 | The measuring method of ladle slag thickness measuring device |
| CN201210381083.4A CN102865842B (en) | 2012-09-29 | 2012-09-29 | Ladle slag layer thickness measurement mechanism, its preparation method and measuring method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123574A (en) * | 2016-06-28 | 2016-11-16 | 阳谷祥光铜业有限公司 | A kind of oxygen blow converter and a kind of smelting process |
| CN109186709A (en) * | 2018-09-07 | 2019-01-11 | 中条山有色金属集团有限公司 | The method for measuring matte liquid level in oxygen-enriched bottom-blowing furnace |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524975A (en) * | 2016-11-17 | 2017-03-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for using copper rod to measure slag thickness of molten iron in molten iron tank |
| CN110230975B (en) * | 2019-06-20 | 2021-01-12 | 武汉钢铁有限公司 | Steel slag layer thickness measuring device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097133A (en) * | 2006-06-30 | 2008-01-02 | 宝山钢铁股份有限公司 | Method and apparatus for measuring protection slag thickness in continuous casting crystallizer in |
| CN201575776U (en) * | 2009-12-02 | 2010-09-08 | 上海梅山钢铁股份有限公司 | Liquid iron slag measuring rod |
| KR20120087515A (en) * | 2011-01-28 | 2012-08-07 | 현대제철 주식회사 | Apparatus and method for testing mold flux |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235855B (en) * | 2010-04-21 | 2014-03-19 | 宝山钢铁股份有限公司 | Method for measuring slag layer thickness of continuous casting crystallizer |
| EP2492650B1 (en) * | 2011-02-28 | 2016-04-20 | SMS Concast AG | Apparatus for detecting and displaying varying levels of a metal melt |
| CN102384731A (en) * | 2011-10-09 | 2012-03-21 | 安徽工业大学 | Method and device for measuring thickness of refining slag within refining ladle |
-
2012
- 2012-09-29 CN CN201510256706.9A patent/CN105157650B/en active Active
- 2012-09-29 CN CN201210381083.4A patent/CN102865842B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097133A (en) * | 2006-06-30 | 2008-01-02 | 宝山钢铁股份有限公司 | Method and apparatus for measuring protection slag thickness in continuous casting crystallizer in |
| CN201575776U (en) * | 2009-12-02 | 2010-09-08 | 上海梅山钢铁股份有限公司 | Liquid iron slag measuring rod |
| KR20120087515A (en) * | 2011-01-28 | 2012-08-07 | 현대제철 주식회사 | Apparatus and method for testing mold flux |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123574A (en) * | 2016-06-28 | 2016-11-16 | 阳谷祥光铜业有限公司 | A kind of oxygen blow converter and a kind of smelting process |
| CN109186709A (en) * | 2018-09-07 | 2019-01-11 | 中条山有色金属集团有限公司 | The method for measuring matte liquid level in oxygen-enriched bottom-blowing furnace |
| CN109186709B (en) * | 2018-09-07 | 2020-10-30 | 北方铜业股份有限公司 | Method for measuring matte liquid level in oxygen-enriched bottom blowing furnace |
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| CN105157650B (en) | 2018-04-24 |
| CN105157650A (en) | 2015-12-16 |
| CN102865842B (en) | 2015-09-23 |
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Inventor after: Zhang Guanfeng Inventor after: Zhou Maolin Inventor after: Xu Qian Inventor after: Sun Huichao Inventor after: Li Huaping Inventor after: Wang Bo Inventor after: Liu Hongyin Inventor after: Ma Lin Inventor after: Yang Zhou Inventor after: Guo Yuehua Inventor after: Liu Mei Inventor after: Liu Chao Inventor before: Zhang Guanfeng Inventor before: Wang Bo Inventor before: Liu Hongyin Inventor before: Ma Lin Inventor before: Yang Zhou Inventor before: Guo Yuehua Inventor before: Liu Mei Inventor before: Liu Chao Inventor before: Sun Huichao |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG GUANFENG WANG BO LIU HONGYIN MA LIN YANG ZHOU GUO YUEHUA LIU MEI LIUCHAO SUN HUICHAO TO: ZHANG GUANFENG LI HUAPING WANG BO LIU HONGYIN MA LIN YANG ZHOU GUO YUEHUA LIU MEI LIU CHAO ZHOU MAOLIN XU QIAN SUN HUICHAO |
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