CN201848510U - Tundish molten steel temperature measuring and liquid level monitoring device - Google Patents
Tundish molten steel temperature measuring and liquid level monitoring device Download PDFInfo
- Publication number
- CN201848510U CN201848510U CN2010205310020U CN201020531002U CN201848510U CN 201848510 U CN201848510 U CN 201848510U CN 2010205310020 U CN2010205310020 U CN 2010205310020U CN 201020531002 U CN201020531002 U CN 201020531002U CN 201848510 U CN201848510 U CN 201848510U
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- China
- Prior art keywords
- molten steel
- tundish
- temperature measuring
- monitoring device
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 title abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011214 refractory ceramic Substances 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 abstract description 5
- 238000007654 immersion Methods 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000009749 continuous casting Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
The utility model provides a tundish molten steel temperature measurement and liquid level monitoring device, temperature probe movable mounting that the upper end has the wire open on upper portion have the stand pipe of wire casing in, the stand pipe passes the preset hole of tundish cover and covers in the middle of through mounting flange connection, and temperature probe's wire and temperature measuring instrument are connected, have the length scale on the wire casing. Because the weight of the temperature measuring probe is obtained by balance calculation with the buoyancy of the molten steel, the immersion depth of the temperature measuring probe can be automatically controlled within the range of 400-500 mm, the temperature measuring probe is not influenced by the fluctuation of the liquid level of the molten steel, and the temperature measuring sensitivity is high and the fluctuation is small; the liquid level height of the molten steel in the tundish can be accurately calibrated through the scales on the wire guide grooves, quantitative operation basis is provided for operators, the tundish slag overflow or steel overflow accidents are avoided, the control precision is stable and accurate, and the control of the molten steel pouring process and the stability of dynamic secondary cooling water distribution are facilitated.
Description
Technical field
The utility model belongs to detection utensil field, relates in particular to a kind of self-floating measuring temp of molten steel of continuous casting tundish and device of level monitoring of being used for.
Background technology
In whole continuous casting process process, the temperature of molten steel has all participated in the water distribution process of the dynamic secondary cooling water of conticaster in the tundish, is one of extremely important parameter in the continuous casting process.At present, the temperature of molten steel changes automatic continuous temperature measurement into by the manual thermometric of past manual in the tundish, makes the temperature of molten steel in the tundish that continuous data arranged.But because the degree of depth that present employed automatic temperature measurement probe inserts in interior position of tundish and the temperature probe insertion molten steel all is changeless, and it inserts the degree of depth difference of molten steel, its thermometric result also there are differences naturally, causing changing jar waits molten steel liquid level in the tundish to take place in the process than great fluctuation process, the degree of depth that temperature probe inserts molten steel also changes thereupon, thereby bigger fluctuation appears in the temperature measurement result that causes molten steel, brings extremely adverse influence for the casting process of molten steel.
In addition, the liquid level of tundish does not have detection and monitoring device all the time all the time, can only only estimate the liquid surface lifting situation of molten steel below the slag by rule of thumb, owing to tundish build by laying bricks or stones and reason such as weigh causes the liquid fluctuating of molten steel, in case evaluated error is excessive, overflow slag even excessive steel accident just may take place, and consequence is with hardly imaginable.
Summary of the invention
The purpose of this utility model aims to provide a kind of molten steel weight that is not subjected to be influenced, and can rely on the immersion depth of self gravitation control temperature probe in molten steel, has the tundish measuring temp of molten steel and the level monitoring device of continuous temperature measurement and liquid level monitoring dual-use function concurrently.
For this reason, the solution taked of the utility model is:
A kind of tundish measuring temp of molten steel and level monitoring device, clad in the middle of comprising is made up of mounting flange, guide pipe, temperature probe and temperature instrument; The temperature probe that the upper end has a lead is movably arranged on top and has in the guide pipe of metallic channel, the default hole of clad and be connected tundish by mounting flange and cover in the middle of guide pipe passes, and the lead of temperature probe is connected with temperature instrument.
Described guiding piping adopts the refractory ceramics sleeve pipe to process; Side at guide pipe upper guide wire casing indicates the length scale.
Be laid with one section zirconia refractory protective sleeve in the temperature probe bottom.
It is 400～500mm that described temperature probe inserts the molten steel degree of depth.
The beneficial effects of the utility model are:
Because the utility model carries out overall balance calculating and design with the weight and the molten steel buoyancy of temperature probe, make the immersion depth of temperature probe can be controlled in the scope of 400～500mm automatically, simultaneously also can be by the scale on the metallic channel, directly predict the length that temperature probe covers at tundish, and accurately calibrate the liquid level of molten steel in the tundish, thereby provide quantitative operating basis to the operator, avoided the generation of excessive slag of tundish or excessive steel accident, stablizing with accurate of realization control accuracy helps the stability of pouring molten steel process control and dynamic secondary cooling water water distribution; Temperature probe immerses molten steel degree of depth relative fixed in addition, is not subjected to the influence of molten steel liquid fluctuating, so the sensitivity of thermometry height, it is little to fluctuate.The utility model is simple, does not need the scene to do special equipment and changes, and guide pipe is reusable, reduces cost; The temperature probe bottom is laid with one section zirconia refractory protective sleeve, this section cinder inclusion line place that mediates just, thus covering agent is to the etch of probe refractory material in preventing, prolongs the service life of temperature probe.
Description of drawings
Accompanying drawing is tundish measuring temp of molten steel and level monitoring device installment state schematic diagram.
Among the figure: scale 1, lead 2, metallic channel 3, mounting flange 4, middle clad 5, guide pipe 6, coverture 7, molten steel 8, temperature probe 9, protective sleeve 10.
The specific embodiment
Below, in conjunction with the accompanying drawings the utility model is described in detail.
By accompanying drawing as seen, this tundish measuring temp of molten steel and level monitoring device mainly are made up of mounting flange 4, guide pipe 6, temperature probe 9 and external temperature instrumentation.Guide pipe 6 is to adopt the refractory ceramics sleeve pipe of high alumina matter or corundum material to process, and is processed with one metallic channel 3 on the top of guide pipe 6, mainly is to be convenient to sliding up and down of lead seat and lead 2.At the left side of metallic channel 3 mark the length scale 1 of 20～50mm is arranged,, can accurately calibrate the liquid level of molten steel in the tundish, thereby provide operating basis for the operator according to the particular location of temperature probe 9 upper ends on length scale 1.Simultaneously, be equipped with a discoidal mounting flange 4 in the centre of guide pipe 6 tube walls, be inserted with temperature probe 9 in the centre of guide pipe 6, the upper end of temperature probe 9 is connected with lead 2 by the lead seat, the other end of lead 2 is connected on the external temperature instrumentation, so that the temperature that temperature probe 9 is recorded is transmitted and handled.Guide pipe 6 just is enclosed within the outside of temperature probe 9 versatilely, topple over to prevent temperature probe 9, but temperature probe 9 can be freely up and down along guide pipe 6.In addition, also be laid with the refractory material protective sleeve 10 of one section zirconium matter in the temperature probe bottom.
When installing and using, on middle clad 5, get out earlier circular hole and the bolt hole that a diameter is slightly larger than guide pipe 6 external diameters, the guide pipe 6 that will have mounting flange 4 then inserts the circular hole of middle clad 5, with bolt mounting flange 4 is fixed on the middle clad 5 together with guide pipe 6.Temperature probe 9 being passed guide pipe 6 is immersed in the molten steel 8 again; because the actual weight of temperature probe 9 is carried out EQUILIBRIUM CALCULATION FOR PROCESS with molten steel buoyancy and is obtained; its weight is between 33～41.26kg; therefore can guarantee fully that the immersion depth of temperature probe 9 is controlled in the scope of 400～500mm all the time automatically; and the protective sleeve 10 of temperature probe 9 bottoms of being laid in this moment covering agent 7 places that mediate just, thereby reduce the etch of 7 pairs of temperature probe 9 anti-materials of coverture.
Cast after finishing is pulled down the utility model, in order to using next time again.
Claims (5)
1. tundish measuring temp of molten steel and level monitoring device, clad in the middle of comprising is characterized in that, is made up of mounting flange, guide pipe, temperature probe and temperature instrument; The temperature probe that the upper end has a lead is movably arranged on top and has in the guide pipe of metallic channel, the default hole of clad and be connected tundish by mounting flange and cover in the middle of guide pipe passes, and the lead of temperature probe is connected with temperature instrument.
2. tundish measuring temp of molten steel according to claim 1 and level monitoring device is characterized in that, indicate the length scale in a side of guide pipe upper guide wire casing.
3. tundish measuring temp of molten steel according to claim 1 and level monitoring device is characterized in that, are laid with one section zirconia refractory protective sleeve in the temperature probe bottom.
4. tundish measuring temp of molten steel according to claim 1 and level monitoring device is characterized in that, described guiding piping adopts the refractory ceramics sleeve pipe to process.
5. tundish measuring temp of molten steel according to claim 1 and level monitoring device is characterized in that, it is 400～500mm that described temperature probe inserts the molten steel degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205310020U CN201848510U (en) | 2010-09-16 | 2010-09-16 | Tundish molten steel temperature measuring and liquid level monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205310020U CN201848510U (en) | 2010-09-16 | 2010-09-16 | Tundish molten steel temperature measuring and liquid level monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848510U true CN201848510U (en) | 2011-06-01 |
Family
ID=44090923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205310020U Expired - Fee Related CN201848510U (en) | 2010-09-16 | 2010-09-16 | Tundish molten steel temperature measuring and liquid level monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848510U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728802A (en) * | 2012-03-29 | 2012-10-17 | 鞍钢股份有限公司 | Tundish liquid level measuring method |
| CN102909327A (en) * | 2012-10-25 | 2013-02-06 | 江苏锴博材料科技有限公司 | Device and process for producing amorphous strips |
| CN104439142A (en) * | 2014-09-22 | 2015-03-25 | 中南大学 | Method used for detecting liquid level of liquid steel and protecting thickness of slag layer of slag liquid in crystallizer |
| CN105195701A (en) * | 2014-06-23 | 2015-12-30 | 宝山钢铁股份有限公司 | Method and device for measuring molten steel flow field distribution during continuous casting steel ladle pouring |
| CN105728670A (en) * | 2016-04-22 | 2016-07-06 | 中国重型机械研究院股份公司 | Steel ladle liquid level monitoring system and method |
| CN111348904A (en) * | 2020-02-26 | 2020-06-30 | 郑州大学 | Tundish gas curtain retaining wall argon-blowing slag line protective sleeve and preparation method thereof |
| CN114460894A (en) * | 2021-12-27 | 2022-05-10 | 日照钢铁控股集团有限公司 | Tundish control management system and method |
-
2010
- 2010-09-16 CN CN2010205310020U patent/CN201848510U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728802A (en) * | 2012-03-29 | 2012-10-17 | 鞍钢股份有限公司 | Tundish liquid level measuring method |
| CN102909327A (en) * | 2012-10-25 | 2013-02-06 | 江苏锴博材料科技有限公司 | Device and process for producing amorphous strips |
| CN102909327B (en) * | 2012-10-25 | 2015-03-25 | 江苏锴博材料科技有限公司 | Device and process for producing amorphous strips |
| CN105195701A (en) * | 2014-06-23 | 2015-12-30 | 宝山钢铁股份有限公司 | Method and device for measuring molten steel flow field distribution during continuous casting steel ladle pouring |
| CN105195701B (en) * | 2014-06-23 | 2017-09-19 | 宝山钢铁股份有限公司 | The measuring method and device of molten steel flow field distribution when Con casting ladle is poured into a mould |
| CN104439142A (en) * | 2014-09-22 | 2015-03-25 | 中南大学 | Method used for detecting liquid level of liquid steel and protecting thickness of slag layer of slag liquid in crystallizer |
| CN104439142B (en) * | 2014-09-22 | 2016-06-22 | 中南大学 | A kind of for detecting Mold liquid level and the method for covering slag liquid slag layer thickness |
| CN105728670A (en) * | 2016-04-22 | 2016-07-06 | 中国重型机械研究院股份公司 | Steel ladle liquid level monitoring system and method |
| CN111348904A (en) * | 2020-02-26 | 2020-06-30 | 郑州大学 | Tundish gas curtain retaining wall argon-blowing slag line protective sleeve and preparation method thereof |
| CN111348904B (en) * | 2020-02-26 | 2022-05-13 | 郑州大学 | Tundish gas curtain retaining wall argon-blowing slag line protective sleeve and preparation method thereof |
| CN114460894A (en) * | 2021-12-27 | 2022-05-10 | 日照钢铁控股集团有限公司 | Tundish control management system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |