CN105063282B - A kind of VD refining furnaces temperature measurement on-line device and temp measuring method - Google Patents
A kind of VD refining furnaces temperature measurement on-line device and temp measuring method Download PDFInfo
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- CN105063282B CN105063282B CN201510503157.0A CN201510503157A CN105063282B CN 105063282 B CN105063282 B CN 105063282B CN 201510503157 A CN201510503157 A CN 201510503157A CN 105063282 B CN105063282 B CN 105063282B
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- temperature
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- guide sleeve
- ing rest
- expansion link
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- 238000007670 refining Methods 0.000 title claims abstract description 18
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000007872 degassing Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A kind of VD refining furnaces temperature measurement on-line device, including support, it is characterised in that, the support includes fixed support and the travel(l)ing rest being flexibly connected with it, the support bracket fastened side is provided with guide sleeve, and the upper end of the guide sleeve is provided with sealing device, and the lower end of the guide sleeve is provided with water cooling plant；The travel(l)ing rest side is provided with expansion link, and the expansion link is inserted in guide sleeve just, and described expansion link one end is provided with temperature-measuring gun, and the temperature-measuring gun connects thermometric instrument.Liquid steel temperature can be measured in real time under vacuum conditions.
Description
Technical field
The present invention relates to a kind of VD refining furnaces temperature measuring equipment.The invention further relates to the temp measuring method of VD refining furnaces.
Background technology
Current most domestic deaerates the Special Steel Enterprise of production through VD refining furnaces, be after molten steel is finished through VD degassings again
Carry out thermometric operation.If degassing terminates, temperature is too high to have two kinds of methods to be cooled, and one kind is that VD is broken after sky, utilizes Ladle Bottom
Portion's argon gas stirring is cooled.But in the process of stirring, make molten steel surface exposed unavoidably, secondary oxidation of steel is caused, to steel
Water quality is impacted；Be for second molten steel it is broken it is empty after be de-gassed be pumped through journey again again, the waste of steam is caused unavoidably, is increased
Consumption.
The content of the invention
The invention solves the problems that problem is to provide and can measure a kind of VD refining furnaces of liquid steel temperature in real time under vacuum conditions and exist
Line temperature measuring equipment.Meanwhile, the present invention also provides a kind of VD refining furnaces temperature measurement on-line method.
In order to solve the above problems, the solution of the present invention is：A kind of VD refining furnaces temperature measurement on-line device, including support, its
It is characterised by, the support includes fixed support and the travel(l)ing rest being flexibly connected with it, and the support bracket fastened side is provided with
Guide sleeve, the upper end of the guide sleeve is provided with sealing device, and the lower end of the guide sleeve is provided with water cooling plant；
The travel(l)ing rest side is provided with expansion link, and the expansion link is inserted in guide sleeve just, described expansion link one end
Provided with temperature-measuring gun, the temperature-measuring gun connects thermometric instrument.
Further, the sealing device includes in the sealing shroud of guide sleeve upper end, sealing shroud uniform point from top to bottom
Some O-ring seals of cloth, the sealing shroud lower end is provided with slagging-off knife.
Further, the water cooling plant includes water inlet and delivery port, and the water inlet and delivery port pass through water-cooled valve
Gate control.
Further, the temperature-measuring gun is provided with hollow interlayer.
Further, the fixed support is hinged with travel(l)ing rest, and fixed support top, which is provided with, can limit travel(l)ing rest most
The stopping means of big scope of activities.
Further, the support, guide sleeve, expansion link and temperature-measuring gun be in the same plane.
Further, the distance of the fixed support and guide sleeve is equal to the distance of travel(l)ing rest and expansion link, the survey
The diameter of warm rifle is less than the diameter of expansion link.
Further, travel(l)ing rest is provided with balance weight iron.
A kind of VD refining furnaces temperature measurement on-line method, comprises the following steps successively：
Steel ladle is seated in tank body by step (1), is directed to set and water cooling plant is fixed at cover upper center.
Vacuum outgas in tank body was opened cold valves, then soon by step (2) at 1 ~ 3 minute before vacuum outgas is completed
Speed inserts temperature-measuring gun to liquid steel level height.
Temperature-measuring gun is quickly extracted and closes water cooling plant, and travel(l)ing rest is recovered to water by step (3), 3 ~ 8s of thermometric
Level state.
Step (4）, by temperature instrumentation read molten steel real time temperature, according to technological temperature height determine whether broken sky or after
Continuous degassing.
Beneficial effects of the present invention are：Liquid steel temperature can be measured in real time under vacuum conditions,
This method is convenient and simple simultaneously, liquid steel temperature can be understood in real time, it is to avoid secondary to take out again and secondary oxidation process.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is guide sleeve schematic cross-sectional view of the present invention.
In figure, fixed support 11, travel(l)ing rest 12, guide sleeve 2, expansion link 4,
Temperature-measuring gun 5, thermometric instrument 6, balance weight iron 7, tank body 8 fills lid 9, hydraulic stem 10, sealing shroud 31, slagging-off knife 32, sealing
Circle 33, water inlet 41, delivery port 42, water cooling valve 43.
Embodiment
The present invention is further described for explanation and embodiment below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, a kind of VD refining furnaces temperature measurement on-line device, including support, it is characterised in that the support bag
Fixed support 11 and the travel(l)ing rest being flexibly connected with it 12 are included, the side of the fixed support 11 is provided with guide sleeve 2, described to lead
Sealing device is provided with to the upper end of set 2, the lower end of the guide sleeve is provided with water cooling plant；
The side of travel(l)ing rest 12 is provided with expansion link 4, and the expansion link 4 can be inserted into guide sleeve 2 just, described flexible
The one end of bar 4 is provided with temperature-measuring gun 5, and the temperature-measuring gun 5 connects thermometric instrument 6.
Wherein, the sealing device includes in the sealing shroud 31 of the upper end of guide sleeve 2, sealing shroud 31 uniform point from top to bottom
Some O-ring seals 33 of cloth, the lower end of sealing shroud 31 is provided with slagging-off knife 32.Wherein described water cooling plant includes the He of water inlet 41
Delivery port 42, the water inlet 41 and delivery port 42 are by water cooling Valve controlling 43, wherein the temperature-measuring gun 5 is provided with hollow folder
Layer.
Wherein described support, guide sleeve 2, expansion link 4 and temperature-measuring gun 5 are in the same plane.The fixed support 11 with
The distance of guide sleeve 2 is equal to the distance of travel(l)ing rest 12 and expansion link 4, and the diameter of the temperature-measuring gun 5 is less than the straight of expansion link 4
Footpath.Expansion link 4 is just in pluggable guide sleeve 2, and fixed support 11 is hinged with travel(l)ing rest 12, and the top of fixed support 11 is provided with can
Limit the stopping means of the maximum range of activities of travel(l)ing rest 12, the scope of activities of fixed support 11 and travel(l)ing rest 12 for 90 ° ~
180 °, balance weight iron 7 is additionally provided with travel(l)ing rest 12.
The water cooling valve 43 before insertion tank body 8 inside of temperature-measuring gun 5 is closed mode, temperature-measuring gun 5 when during insertion in tank body 8
Hollow interlayer be just combined with sealing shroud 31, formed sealing surface, at this moment by water cooling valve 43 open temperature-measuring gun 8 move down until
Pre-set liquid steel level carries out thermometric, and thermometric terminates temperature-measuring gun 8 and moved up, to prevent molten steel splashing temperature-measuring gun during thermometric
Outer surface steel bonding smoothly can not extract temperature-measuring gun 8, be cleared up the outer surface of temperature-measuring gun 8 using the slagging-off knife 32 below sealing shroud 33
Totally prevent from scratching the sealing ring 32. in sealing shroud 31
Following temp measuring method can be used using device in Fig. 1：
Steel ladle is seated in tank body 8 by step (1), is directed to set 2 and water cooling plant 3 is fixed at the upper center of cover 9,
Now fixed support is parallel to each other with guide sleeve.
Step (2) will vacuumize degassing in tank body, open water cooling plant 3 at 2 minutes before vacuum outgas is completed, utilize
The angle of fixed support 11 and travel(l)ing rest 12 is adjusted to hydraulic stem 10 into 180 ° and then quick extension expansion link 4 inserts temperature-measuring gun
5 to liquid steel level height.
Temperature-measuring gun 5 is quickly extracted and closes water cooling plant by step (3), thermometric 5s, and with the use of hydraulic stem 10 and matches somebody with somebody
Weight iron 7 recovers travel(l)ing rest 12 to horizontality the angle of fixed support 11 and travel(l)ing rest 12 is adjusted into 90 °.
Step (4）, by temperature instrumentation 6 read molten steel real time temperature, according to technological temperature height determine whether broken sky or
Continue to deaerate.
Claims (6)
1. a kind of VD refining furnaces temperature measurement on-line device, including support, it is characterised in that the support includes fixed support（11）
With the travel(l)ing rest being flexibly connected with it（12）, the fixed support（11）Side be provided with guide sleeve（2）, the guide sleeve
（2）Upper end be provided with sealing device, the lower end of the guide sleeve is provided with water cooling plant；The travel(l)ing rest（12）Side is provided with
Expansion link（4）, the expansion link（4）Just guide sleeve is inserted（2）It is interior, the expansion link（4）One end is provided with temperature-measuring gun（5）, institute
State temperature-measuring gun（5）Connect thermometric instrument（6）, the sealing device include guide sleeve（2）The sealing shroud of upper end（31）, sealing
Set（31）Some O types sealing rings are inside uniformly distributed from top to bottom（33）, the sealing shroud（31）Lower end is provided with slagging-off knife
（32）, the water cooling plant include water inlet（41）And delivery port（42）, the water inlet（41）And delivery port（42）Pass through water
Low temperature valve door（43）Control, the temperature-measuring gun（5）Provided with hollow interlayer.
2. a kind of VD refining furnaces temperature measurement on-line device according to claim 1, it is characterised in that the fixed support
（11）With travel(l)ing rest（12）It is hinged, fixed support（11）Top, which is provided with, can limit travel(l)ing rest（12）Maximum range of activities
Stopping means.
3. a kind of VD refining furnaces temperature measurement on-line device according to claim 1, it is characterised in that the support, guiding
Set（2）, expansion link（4）And temperature-measuring gun（5）In the same plane.
4. a kind of VD refining furnaces temperature measurement on-line device according to claim 1, it is characterised in that the fixed support
（11）With guide sleeve（2）Distance be equal to travel(l)ing rest（12）With expansion link（4）Distance, the temperature-measuring gun（5）Diameter it is small
In expansion link（4）Diameter.
5. a kind of VD refining furnaces temperature measurement on-line device according to claim 1, it is characterised in that travel(l)ing rest（12）On
Provided with balance weight iron（7）.
6. one kind utilizes a kind of VD refining furnaces temperature measurement on-line device VD refining furnaces temperature measurement on-line side described in claim 1
Method, comprises the following steps：Steel ladle is seated in tank body by step (1), is directed to set and water cooling plant is fixed on cover
Square center；Vacuum outgas in tank body was opened cold valves by step (2) at 1 ~ 3 minute before vacuum outgas is completed,
Then quick insertion temperature-measuring gun to liquid steel level height；Temperature-measuring gun is quickly extracted and closed by step (3), 3 ~ 8s of thermometric
Water cooling plant, and travel(l)ing rest is recovered to horizontality；Step (4）, molten steel real time temperature is read by temperature instrumentation,
Determine whether brokenly empty according to technological temperature height or continue to deaerate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503157.0A CN105063282B (en) | 2015-08-17 | 2015-08-17 | A kind of VD refining furnaces temperature measurement on-line device and temp measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503157.0A CN105063282B (en) | 2015-08-17 | 2015-08-17 | A kind of VD refining furnaces temperature measurement on-line device and temp measuring method |
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| Publication Number | Publication Date |
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| CN105063282A CN105063282A (en) | 2015-11-18 |
| CN105063282B true CN105063282B (en) | 2017-08-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105779702B (en) * | 2016-05-25 | 2017-08-25 | 莱芜钢铁集团电子有限公司 | A kind of VD stoves and its control method with molten steel temperature control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982894Y (en) * | 2006-12-12 | 2007-11-28 | 苏州新长光热能科技有限公司 | Heat coupler device for measuring aluminum liquid temperature of aluminum smelting furnace and heat preservation furnace |
| CN101337273A (en) * | 2008-08-12 | 2009-01-07 | 赫勇 | Pouring box stopper for continuous casting |
| CN201924040U (en) * | 2010-12-22 | 2011-08-10 | 无锡东雄重型电炉有限公司 | Top blowing oxygen lance device |
| CN202092475U (en) * | 2011-06-08 | 2011-12-28 | 岳阳市巴陵节能炉窑工程有限公司 | Automatic lifting temperature measurement device |
| CN202582179U (en) * | 2012-05-21 | 2012-12-05 | 洛阳八佳电气科技股份有限公司 | Swinging type temperature measuring mechanism for vacuum melting rapid-hardening furnace |
| CN202643741U (en) * | 2012-07-05 | 2013-01-02 | 中冶赛迪工程技术股份有限公司 | Thread feeding device for vacuum refining device |
-
2015
- 2015-08-17 CN CN201510503157.0A patent/CN105063282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982894Y (en) * | 2006-12-12 | 2007-11-28 | 苏州新长光热能科技有限公司 | Heat coupler device for measuring aluminum liquid temperature of aluminum smelting furnace and heat preservation furnace |
| CN101337273A (en) * | 2008-08-12 | 2009-01-07 | 赫勇 | Pouring box stopper for continuous casting |
| CN201924040U (en) * | 2010-12-22 | 2011-08-10 | 无锡东雄重型电炉有限公司 | Top blowing oxygen lance device |
| CN202092475U (en) * | 2011-06-08 | 2011-12-28 | 岳阳市巴陵节能炉窑工程有限公司 | Automatic lifting temperature measurement device |
| CN202582179U (en) * | 2012-05-21 | 2012-12-05 | 洛阳八佳电气科技股份有限公司 | Swinging type temperature measuring mechanism for vacuum melting rapid-hardening furnace |
| CN202643741U (en) * | 2012-07-05 | 2013-01-02 | 中冶赛迪工程技术股份有限公司 | Thread feeding device for vacuum refining device |
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| CN105063282A (en) | 2015-11-18 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Online temperature measuring device and method for VD refining furnace Effective date of registration: 20190227 Granted publication date: 20170825 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: 2019990000162 |
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Date of cancellation: 20210304 Granted publication date: 20170825 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: 2019990000162 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An on line temperature measuring device and method for VD refining furnace Effective date of registration: 20210304 Granted publication date: 20170825 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021990000216 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20230320 Granted publication date: 20170825 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021990000216 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An online temperature measurement device and method for VD refining furnace Effective date of registration: 20230323 Granted publication date: 20170825 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980035948 |