CN109813433A - The continuous temperature measurement method of LF refining furnace liquid steel temperature - Google Patents

The continuous temperature measurement method of LF refining furnace liquid steel temperature Download PDF

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Publication number
CN109813433A
CN109813433A CN201811460915.5A CN201811460915A CN109813433A CN 109813433 A CN109813433 A CN 109813433A CN 201811460915 A CN201811460915 A CN 201811460915A CN 109813433 A CN109813433 A CN 109813433A
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China
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refining furnace
camera
liquid steel
furnace
measurement method
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Pending
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CN201811460915.5A
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Chinese (zh)
Inventor
胡志刚
付勇军
陈跃
廖庆玲
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Hubei Polytechnic University
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Hubei Polytechnic University
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Priority to CN201811460915.5A priority Critical patent/CN109813433A/en
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Abstract

The present invention relates to metallurgical detection technique fields, the continuous temperature measurement method of specifically a kind of LF refining furnace liquid steel temperature, step specific as follows: (1) installing thermal camera outside LF refining furnace above the platform of stokehold, the thermal camera operates indoor computer system with LF refining furnace and connect;(2) outer video camera starts image in continuous acquisition furnace, and image information is transferred to computer system;(3) computer system continuously detects liquid steel temperature first with thermal imaging temperature measurement method.The present invention can be realized the continuous on-line detection to refining liquid liquid steel temperature, compared to the thermometric mode for using temperature-measuring gun at present, can reduce labor intensity, improve safety, shortens the heat and improve controlled level.

Description

The continuous temperature measurement method of LF refining furnace liquid steel temperature
Technical field
The present invention relates to metallurgical detection technique fields, specifically the continuous temperature measurement method of LF refining furnace liquid steel temperature.
Background technique
General process for making is required using converter or electro-smelting molten steel, and preliminary melted molten steel also needs The refining furnaces such as LF, VD or RH are refined, it is therefore an objective to be improved steel quality and be carried out molten steel composition adjustment.LF refining is the most frequently used A kind of purifier, the main target of the process is exactly to control liquid steel temperature and ingredient, needs repeatedly to examine in refining process Analysis molten steel composition and temperature are surveyed, and reaches target liquid steel temperature by adjusting power-on time.
Current LF refining technique is typically all to carry out discontinuous thermometric, thermometric process using artificial insertion thermometric galvanic couple In, the sampling hole of the temperature-measuring gun insertion fire door of galvanic couple temperature probe will be installed, liquid steel temperature extracts temperature-measuring gun after detecting successfully, General every furnace steel needs thermometric 3-4 time, according to the difference of temperature-measuring results and target temperature, adjust the power-on time of LF, parameter and plus Material system, to reach suitable liquid steel temperature.Using current thermometric mode, manually installed probe and artificial insertion is needed to survey The operation such as warm rifle, not only large labor intensity, safety are poor, it is also necessary to consume a large amount of temperature probe, high production cost;Meanwhile Since this thermometric mode is discontinuous thermometric, a temperature could be surveyed every ten minutes or so, it cannot be to the company of liquid steel temperature Continuous variation carries out accurate perception, has a certain impact to the temperature control of refining process.
Summary of the invention
In order to solve the problems mentioned above in the background art, the present invention provides the continuous surveys of LF refining furnace liquid steel temperature Warm method.
A kind of continuous temperature measurement method of LF refining furnace liquid steel temperature, specific as follows:
(1) thermal camera is installed outside LF refining furnace, the thermal camera and LF refining furnace are grasped above the platform of stokehold Make indoor computer system connection;
(2) after the ladle for being prepared to enter into LF refining furnace, which reaches, sits package location, argon gas pipeline is connected, ladle starts bottom blowing Argon, LF refining furnace operate the seat package informatin or signal that indoor computer system obtains ladle by network, control infrared take the photograph Camera starts image in continuous acquisition furnace, and image information is transferred to computer system, when computer system is obtained by network Take ladle outbound, after the information for refining end, computer system control video camera stops working;
(3) it in refining process, after the image data real-time Transmission of the infrared camera scan is to computer system, calculates Machine system is distinguished molten steel region and slag zone in furnace, is recycled first with image in the furnace of image processing software identification acquisition Thermal imaging temperature measurement method continuously detects liquid steel temperature, and in terms of the temperature that will test is shown in the way of data and curve On calculation machine interface.
Further, the infrared measurement of temperature range of the thermal camera be 400-2000 DEG C, 10-55 ° of the angle of view, phase Machine focus adjustable.
Further, compressed air blowing cleaner and water cooling plant are installed at the camera lens of the thermal camera, it is described Compressed air blowing cleaner can prevent pollution of the dust to camera lens;The water cooling plant can the thermal camera carry out it is cold But;Compressed air blowing cleaner and the water cooling plant keep 24 hours it is normally opened.
Further, the pressure limit of compressed air is 0.1-0.6Mpa in the compressed air blowing cleaner.
Further, the pressure limit of cooling water is 0.2-0.5Mpa in the water cooling plant.
Further, image in step (2) the acquisition furnace, specific method are the camera lens pair using the thermal camera Quasi- stove gate, bell feed wire hole or electrode hole, by adjusting the angle lens and installation site of thermal camera, allow camera energy Collect the image of molten steel and steel slag in furnace.
Further, the thermal camera and molten steel identity distance are from 1-12m.
Further, the thermal camera and LF refining furnace operate indoor computer by network mode, USB or The connection of person's serial mode.
Compared with prior art, the beneficial effects of the present invention are:
(1) have the function of continuously detecting liquid steel temperature in LF furnace, temperature detecting precision ± 0.1 DEG C;
(2) continuous temperature measurement is carried out using thermal imaging temperature measurement method, without consuming temperature probe, testing cost is low, practicable company Continue online temperature detection;
(3) due to having the temperature function in continuous detection LF furnace, it can be combined with LF refining model, improve LF refining Temperature control precision and automatic control level.
The present invention feeds wire hole or electrode hole using thermal camera is installed outside LF furnace, by stove gate, bell, directly right Molten steel is imaged in furnace, when LF argon bottom-blowing gas shock molten steel forms argon gas core, carries out image to the image of acquisition It handles, the position of Argon region molten steel and clinker in automatic identification furnace, and continuously detects the temperature of molten steel in furnace using thermal image method Degree, the temperature for LF process control.The present invention can be realized the continuous on-line detection to refining liquid liquid steel temperature, compared to The thermometric mode for using temperature-measuring gun at present can reduce labor intensity, improve safety, shorten the heat and improve control It is horizontal.
Specific embodiment
Embodiment 1
A kind of continuous temperature measurement method of LF refining furnace liquid steel temperature, specific as follows:
(1) thermal camera is installed outside LF refining furnace, the thermal camera and LF refining furnace are grasped above the platform of stokehold Make indoor computer system connection;
(2) after the ladle for being prepared to enter into LF refining furnace, which reaches, sits package location, argon gas pipeline is connected, ladle starts bottom blowing Argon, LF refining furnace operate the seat package informatin or signal that indoor computer system obtains ladle by network, control infrared take the photograph Camera starts image in continuous acquisition furnace, and image information is transferred to computer system, when computer system is obtained by network Take ladle outbound, after the information for refining end, computer system control video camera stops working;
(3) it in refining process, after the image data real-time Transmission of the infrared camera scan is to computer system, calculates Machine system is distinguished molten steel region and slag zone in furnace, is recycled first with image in the furnace of image processing software identification acquisition Thermal imaging temperature measurement method continuously detects liquid steel temperature, and in terms of the temperature that will test is shown in the way of data and curve On calculation machine interface.
Embodiment 2
A kind of continuous temperature measurement method of LF refining furnace liquid steel temperature, specific as follows:
(1) thermal camera is installed outside LF refining furnace, the thermal camera and LF refining furnace are grasped above the platform of stokehold Make indoor computer system connection;
(2) after the ladle for being prepared to enter into LF refining furnace, which reaches, sits package location, argon gas pipeline is connected, ladle starts bottom blowing Argon, LF refining furnace operate the seat package informatin or signal that indoor computer system obtains ladle by network, control infrared take the photograph Camera starts image in continuous acquisition furnace, and image information is transferred to computer system, when computer system is obtained by network Take ladle outbound, after the information for refining end, computer system control video camera stops working;
(3) it in refining process, after the image data real-time Transmission of the infrared camera scan is to computer system, calculates Machine system is distinguished molten steel region and slag zone in furnace, is recycled first with image in the furnace of image processing software identification acquisition Thermal imaging temperature measurement method continuously detects liquid steel temperature, and in terms of the temperature that will test is shown in the way of data and curve On calculation machine interface.
Further, compressed air blowing cleaner and water cooling plant are installed at the camera lens of the thermal camera, it is described Compressed air blowing cleaner can prevent pollution of the dust to camera lens;The water cooling plant can the thermal camera carry out it is cold But;Compressed air blowing cleaner and the water cooling plant keep 24 hours it is normally opened.
Further, the pressure limit of compressed air is 0.1-0.6Mpa in the compressed air blowing cleaner.
Further, the pressure limit of cooling water is 0.2-0.5Mpa in the water cooling plant.
Further, the infrared measurement of temperature range of the thermal camera be 400-2000 DEG C, 10-55 ° of the angle of view, phase Machine focus adjustable.
Embodiment 3
A kind of continuous temperature measurement method of LF refining furnace liquid steel temperature, specific as follows:
(1) thermal camera is installed outside LF refining furnace, the thermal camera and LF refining furnace are grasped above the platform of stokehold Make indoor computer system connection;
(2) after the ladle for being prepared to enter into LF refining furnace, which reaches, sits package location, argon gas pipeline is connected, ladle starts bottom blowing Argon, LF refining furnace operate the seat package informatin or signal that indoor computer system obtains ladle by network, control infrared take the photograph Camera starts image in continuous acquisition furnace, and image information is transferred to computer system, when computer system is obtained by network Take ladle outbound, after the information for refining end, computer system control video camera stops working;
(3) it in refining process, after the image data real-time Transmission of the infrared camera scan is to computer system, calculates Machine system is distinguished molten steel region and slag zone in furnace, is recycled first with image in the furnace of image processing software identification acquisition Thermal imaging temperature measurement method continuously detects liquid steel temperature, and in terms of the temperature that will test is shown in the way of data and curve On calculation machine interface.
Further, image in step (2) the acquisition furnace, specific method are the camera lens pair using the thermal camera Quasi- stove gate, bell feed wire hole or electrode hole, by adjusting the angle lens and installation site of thermal camera, allow camera energy Collect the image of molten steel and steel slag in furnace.
Further, the thermal camera and molten steel identity distance are from 1-12m.
Further, the thermal camera and LF refining furnace operate indoor computer by network mode, USB or The connection of person's serial mode.

Claims (8)

1. a kind of continuous temperature measurement method of LF refining furnace liquid steel temperature, which is characterized in that step specific as follows:
(1) thermal camera, the thermal camera and LF refining furnace operating room are installed above the platform of stokehold outside LF refining furnace Interior computer system connection;
(2) after the ladle for being prepared to enter into LF refining furnace, which reaches, sits package location, argon gas pipeline is connected, ladle starts BOTTOM ARGON BLOWING, LF Refining furnace operates the seat package informatin or signal that indoor computer system obtains ladle by network, and control thermal camera is opened Image in beginning continuous acquisition furnace, and image information is transferred to computer system, when computer system obtains ladle by network Outbound, after the information for refining end, computer system control video camera stops working;
(3) in refining process, after the image data real-time Transmission of the infrared camera scan is to computer system, department of computer science System distinguishes molten steel region and slag zone in furnace, recycles thermal imagery first with image in the furnace of image processing software identification acquisition Temp measuring method continuously detects liquid steel temperature, and the temperature that will test is shown in computer in a manner of data and curve On interface.
2. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 1, it is characterised in that: described infrared to take the photograph The infrared measurement of temperature range of camera is 400-2000 DEG C, and 10-55 ° of the angle of view, camera focus is adjustable.
3. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 1, it is characterised in that: described infrared to take the photograph Compressed air blowing cleaner and water cooling plant, the compressed air blowing cleaner and water cooling dress are installed at the camera lens of camera Set holding 24 hours it is normally opened.
4. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 3, it is characterised in that: the compression is empty The pressure limit of compressed air is 0.1-0.6Mpa in air-blowing sweeping device.
5. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 3, it is characterised in that: the water cooling dress The pressure limit for setting middle cooling water is 0.2-0.5Mpa.
6. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 1, it is characterised in that: step (2) institute Image in acquisition furnace is stated, specific method is to feed wire hole or electrode using alignment lens stove gate, the bell of the thermal camera Hole allows camera that can collect the shadow of molten steel and steel slag in furnace by adjusting the angle lens and installation site of thermal camera Picture.
7. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 6, it is characterised in that: described infrared to take the photograph Camera and molten steel identity distance are from 1-12m.
8. the continuous temperature measurement method of LF refining furnace liquid steel temperature according to claim 1-7, it is characterised in that: institute It states thermal camera and is connect with the indoor computer of LF refining furnace operation by network mode, USB or serial mode.
CN201811460915.5A 2018-12-01 2018-12-01 The continuous temperature measurement method of LF refining furnace liquid steel temperature Pending CN109813433A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110631709A (en) * 2019-09-24 2019-12-31 湖北理工学院 Non-contact molten steel temperature detection method during converter steelmaking and converter reversing
CN110926619A (en) * 2019-12-17 2020-03-27 湖北理工学院 Continuous temperature measurement method for temperature of molten steel in steel ladle
CN111088414A (en) * 2019-12-17 2020-05-01 湖北理工学院 Oxygen lance with online continuous temperature measurement function and use method thereof
CN111399551A (en) * 2020-04-24 2020-07-10 深圳大成智能电气科技有限公司 Steel ladle bottom blowing intelligent control device and method
CN113804308A (en) * 2021-09-24 2021-12-17 武汉科技大学 Non-contact continuous temperature measuring device and method for converter
CN113820019A (en) * 2021-09-24 2021-12-21 武汉科技大学 Automatic temperature measuring device and method for LF refining furnace of steel mill
CN114032358A (en) * 2021-11-08 2022-02-11 上海东震冶金工程技术有限公司 Intelligent argon blowing device based on molten steel image identification mode
CN114540575A (en) * 2022-02-28 2022-05-27 北京中联杰能科技有限公司 Electric furnace temperature measuring method, device, equipment and system
CN115323110A (en) * 2022-08-30 2022-11-11 洛阳豫新工程技术股份有限公司 Method and system for non-contact measurement of temperature of molten steel in ladle furnace

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6071466A (en) * 1996-10-17 2000-06-06 Voest Alpine Industries, Inc. Submergible probe for viewing and analyzing properties of a molten metal bath
CN1527932A (en) * 2001-07-27 2004-09-08 新日本制铁株式会社 Molten metal temperature measuring instrument and method
CN101071079A (en) * 2006-05-09 2007-11-14 重庆合创光电技术开发有限公司 Novel molten steel temperature continuous measuring method and temperature-measuring tube
CN102109321A (en) * 2009-12-25 2011-06-29 江苏金源锻造有限公司 Near-infrared vision sensing detection device for large-scale high-temperature forgeable piece
CN102159940A (en) * 2008-09-17 2011-08-17 新日本制铁株式会社 Method for detecting defect in material and system for same
CN102277468A (en) * 2010-06-12 2011-12-14 上海梅山钢铁股份有限公司 Real-time forecasting method of LF refining furnace molten steel temperature
CN102935496A (en) * 2012-10-23 2013-02-20 鞍钢股份有限公司 Portable continuous casting billet surface temperature measuring device and temperature measuring method
CN103205537A (en) * 2013-03-21 2013-07-17 河北钢铁股份有限公司邯郸分公司 Continuous measuring method for molten steel temperature during LF (ladle furnace) finery production procedure
CN103388054A (en) * 2013-07-19 2013-11-13 东北大学 System and method for on-line control of molten steel temperature in LF refining
CN104081152A (en) * 2011-11-15 2014-10-01 迈确克斯过程控制公司 Apparatus, process and system for monitoring integrity of containers
CN104215334A (en) * 2014-08-14 2014-12-17 合肥瑞石测控工程技术有限公司 Real-time online monitoring method of temperature of molten steel in RH refining furnace
CN204461645U (en) * 2015-03-12 2015-07-08 河北钢铁股份有限公司 A kind of temperature-measuring gun with safeguard function
CN105021287A (en) * 2015-07-10 2015-11-04 广东电网有限责任公司电力科学研究院 Cooling system for power station boiler high-temperature wall infrared detection device
CN105499522A (en) * 2016-01-25 2016-04-20 北京华程东方科技有限公司 Infrared thermal imaging detection system and device
KR20160136778A (en) * 2015-05-21 2016-11-30 강대협 Apparatus for measuring temperature of molten steel
CN106441584A (en) * 2016-07-15 2017-02-22 天津理工大学 Converter roughing slag detection method based on infrared temperature measurement
CN206019847U (en) * 2016-08-26 2017-03-15 河钢股份有限公司 A kind of direct device for fast detecting of liquid steel temperature
KR20170076032A (en) * 2015-12-24 2017-07-04 주식회사 포스코 Measuring apparatus for molten steel
CN106967862A (en) * 2015-12-11 2017-07-21 株式会社Posco Liquid steel temperature determines device
CN107858481A (en) * 2017-12-04 2018-03-30 中冶赛迪工程技术股份有限公司 A kind of multifunctional electric furnace rifle tail structure
CN207423372U (en) * 2017-12-07 2018-05-29 唐山晨骏科技有限公司 Thermal imaging photographic device in State of Blast Furnace
CN108917960A (en) * 2018-05-15 2018-11-30 首钢集团有限公司 A kind of measuring device and method of billet heating temperature uniformity

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6071466A (en) * 1996-10-17 2000-06-06 Voest Alpine Industries, Inc. Submergible probe for viewing and analyzing properties of a molten metal bath
CN1527932A (en) * 2001-07-27 2004-09-08 新日本制铁株式会社 Molten metal temperature measuring instrument and method
CN101071079A (en) * 2006-05-09 2007-11-14 重庆合创光电技术开发有限公司 Novel molten steel temperature continuous measuring method and temperature-measuring tube
CN102159940A (en) * 2008-09-17 2011-08-17 新日本制铁株式会社 Method for detecting defect in material and system for same
CN102109321A (en) * 2009-12-25 2011-06-29 江苏金源锻造有限公司 Near-infrared vision sensing detection device for large-scale high-temperature forgeable piece
CN102277468A (en) * 2010-06-12 2011-12-14 上海梅山钢铁股份有限公司 Real-time forecasting method of LF refining furnace molten steel temperature
CN104081152A (en) * 2011-11-15 2014-10-01 迈确克斯过程控制公司 Apparatus, process and system for monitoring integrity of containers
CN102935496A (en) * 2012-10-23 2013-02-20 鞍钢股份有限公司 Portable continuous casting billet surface temperature measuring device and temperature measuring method
CN103205537A (en) * 2013-03-21 2013-07-17 河北钢铁股份有限公司邯郸分公司 Continuous measuring method for molten steel temperature during LF (ladle furnace) finery production procedure
CN103388054A (en) * 2013-07-19 2013-11-13 东北大学 System and method for on-line control of molten steel temperature in LF refining
CN104215334A (en) * 2014-08-14 2014-12-17 合肥瑞石测控工程技术有限公司 Real-time online monitoring method of temperature of molten steel in RH refining furnace
CN204461645U (en) * 2015-03-12 2015-07-08 河北钢铁股份有限公司 A kind of temperature-measuring gun with safeguard function
KR20160136778A (en) * 2015-05-21 2016-11-30 강대협 Apparatus for measuring temperature of molten steel
CN105021287A (en) * 2015-07-10 2015-11-04 广东电网有限责任公司电力科学研究院 Cooling system for power station boiler high-temperature wall infrared detection device
CN106967862A (en) * 2015-12-11 2017-07-21 株式会社Posco Liquid steel temperature determines device
KR20170076032A (en) * 2015-12-24 2017-07-04 주식회사 포스코 Measuring apparatus for molten steel
CN105499522A (en) * 2016-01-25 2016-04-20 北京华程东方科技有限公司 Infrared thermal imaging detection system and device
CN106441584A (en) * 2016-07-15 2017-02-22 天津理工大学 Converter roughing slag detection method based on infrared temperature measurement
CN206019847U (en) * 2016-08-26 2017-03-15 河钢股份有限公司 A kind of direct device for fast detecting of liquid steel temperature
CN107858481A (en) * 2017-12-04 2018-03-30 中冶赛迪工程技术股份有限公司 A kind of multifunctional electric furnace rifle tail structure
CN207423372U (en) * 2017-12-07 2018-05-29 唐山晨骏科技有限公司 Thermal imaging photographic device in State of Blast Furnace
CN108917960A (en) * 2018-05-15 2018-11-30 首钢集团有限公司 A kind of measuring device and method of billet heating temperature uniformity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
项龙飞: "《RH精炼炉钢水温度实时监测系统的优化设计》", 《中国优秀硕士论文全文数据库 工程科技I辑》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110631709A (en) * 2019-09-24 2019-12-31 湖北理工学院 Non-contact molten steel temperature detection method during converter steelmaking and converter reversing
CN110926619A (en) * 2019-12-17 2020-03-27 湖北理工学院 Continuous temperature measurement method for temperature of molten steel in steel ladle
CN111088414A (en) * 2019-12-17 2020-05-01 湖北理工学院 Oxygen lance with online continuous temperature measurement function and use method thereof
CN111399551A (en) * 2020-04-24 2020-07-10 深圳大成智能电气科技有限公司 Steel ladle bottom blowing intelligent control device and method
CN113804308A (en) * 2021-09-24 2021-12-17 武汉科技大学 Non-contact continuous temperature measuring device and method for converter
CN113820019A (en) * 2021-09-24 2021-12-21 武汉科技大学 Automatic temperature measuring device and method for LF refining furnace of steel mill
CN114032358A (en) * 2021-11-08 2022-02-11 上海东震冶金工程技术有限公司 Intelligent argon blowing device based on molten steel image identification mode
CN114032358B (en) * 2021-11-08 2023-01-24 上海东震冶金工程技术有限公司 Intelligent argon blowing device based on molten steel image identification mode
CN114540575A (en) * 2022-02-28 2022-05-27 北京中联杰能科技有限公司 Electric furnace temperature measuring method, device, equipment and system
CN115323110A (en) * 2022-08-30 2022-11-11 洛阳豫新工程技术股份有限公司 Method and system for non-contact measurement of temperature of molten steel in ladle furnace

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Application publication date: 20190528