CN101520344A - High-temperature sensor - Google Patents
High-temperature sensor Download PDFInfo
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- CN101520344A CN101520344A CN200910134081A CN200910134081A CN101520344A CN 101520344 A CN101520344 A CN 101520344A CN 200910134081 A CN200910134081 A CN 200910134081A CN 200910134081 A CN200910134081 A CN 200910134081A CN 101520344 A CN101520344 A CN 101520344A
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- temperature
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- metal box
- temperature sensor
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- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 74
- 229910052742 iron Inorganic materials 0.000 abstract description 37
- 238000009529 body temperature measurement Methods 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 25
- 239000011214 refractory ceramic Substances 0.000 description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 101100230509 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) hat-1 gene Proteins 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011540 sensing material Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005395 radioluminescence Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
本发明是用于温度测量的一种高温传感器，特别是涉及高炉出铁沟铁水温度测量的感温传感器，属于高炉冶金仪表领域。它是由铁质热平衡保护帽、套接在可替换的高温陶瓷短空腔管上，陶瓷短空腔管另一端与外套有金属保护管的双层陶瓷空腔管连接，双层陶瓷空腔管再与金属盒连接，金属盒内置透镜组、滤色片和光纤接口，从金属盒内引出光纤到光电能量转换器组成的。从铁质热平衡保护帽到光电能量转换器全部部件组合构成本高温传感器。本高温传感器能够完整可靠地采集感温信息，使用便捷、耐用长寿、可在线地用于高炉铁口、铁沟铁水温度的测量中。
The invention relates to a high-temperature sensor used for temperature measurement, in particular to a temperature-sensitive sensor for measuring the temperature of molten iron in a tapping trough of a blast furnace, and belongs to the field of blast furnace metallurgical instruments. It consists of an iron heat balance protection cap, which is sleeved on a replaceable high-temperature ceramic short cavity tube. The tube is connected with the metal box, and the metal box has built-in lens group, color filter and optical fiber interface, and the optical fiber is drawn out from the metal box to the photoelectric energy converter. The combination of all components from the iron heat balance protection cap to the photoelectric energy converter constitutes the high temperature sensor. The high-temperature sensor can collect temperature-sensing information completely and reliably, is convenient to use, durable and long-lived, and can be used online to measure the temperature of molten iron in blast furnace tapholes and iron troughs.
Description
One, technical field:
The present invention is used for thermometric a kind of pyrostat, particularly relates to the temperature-sensitive sensor that the blast furnace iron outlet groove molten iron temperature is measured, and belongs to the metallurgical instrument of blast furnace field.
Two, background technology:
The detection of blast-melted quality index need be measured molten iron temperature, at present in blast furnace ironmaking production practical operation, a lot of producers all adopt disposable temperature element to measure the temperature of molten iron, have inconvenient operation, dangerous, data are inaccurate, untimely and consume shortcomings such as big.The outer noncontact measurement of the dual-color red that Jinan Iron ﹠ Steel Group Corp adopts U.S. a company to produce is measured blast-melted temperature, its temperature probe part of this technology for detection device is huge, form total system complexity and installation requirement height by air purging device, runing rest and complicated optical device etc.The non-contact optoelectronic temp measuring method is subject to molten iron surface flotation slag thing in addition and the influence of the on-the-spot flue dust environment that taps a blast furnace, and this technology is not pushed use as yet at home open at present.
Through preliminary inquiry, the domestic document that is used for blast-melted thermometric prior art patent is less, and finding some patents has obviously different with right of the presently claimed invention.
The technology that the present invention is close is to adopt contact method cavity thermometry to be used for the measurement of steelworks steel ladle temperature.This temperature-sensitive sensor adopts closed cavity, carries out the design philosophy of thermometric with contact method.It is to be provided with temperature sensing material in high-temperature ceramic, the method opto-electronic conversion that adopts temperature sensing material to be connected with optical fiber by optical system.During use sensor is fixedly mounted on the molten steel inclusion, high-temperature ceramic fixedly is deep in the molten steel, after long period thermal equilibrium, the radiation information of sensor senses cavity pipe integral body also is converted to temperature signal.This structure is used for blast-melted thermometric following shortcoming: 1. the molten iron degree of depth that iron runner flows during blast furnace casting is not enough, and this sensor cavities pipe can not reach the thermal equilibrium that certain insertion depth just can not reach the measurement meaning; 2. the stove iron limited time of tapping a blast furnace does not allow the long-time retardance molten iron of measuring to flow; 3. sensor only perceives part ruddiness and infrared light part, and wavelength is generally at 700～1000nm, and spectrum width is selected restricted; 4. not replaceable structure, in case the refractory ceramics tracheal rupture, whole sensor is promptly damaged; 5. must use in the fixed position, it is convenient to be used for blast-melted thermometric underaction.
Three, summary of the invention:
The object of the present invention is to provide a kind of pyrostat that can measure blast-melted temperature and be convenient to safeguard accurately, rapidly, easily of contact.
Technical scheme: thermal equilibrium tin hat of the present invention is socketed on the short cavity pipe of refractory ceramics one port, the short cavity pipe of refractory ceramics another port is connected with three layers of cavity pipe; three layers of cavity pipe other end place in the can; mouth of pipe opposite position with three layers of cavity pipe in the can has the fiber-optic wire interface, and optical fiber is drawn optical fiber by the lead-in wire interface on the can and is connected with photovoltaic power converter in the data acquisition unit.
Be provided with lens combination between the mouth of pipe of three layers of cavity pipe and the optical fiber and select the look color filter.
The structure of three layers of cavity pipe is outer for metal sleeve shields, and internal layer is that double-layer ceramic cavity pipe constitutes heat-resisting cavity body.
Can is double Shell, is the heat insulating metal box that accompanies thermal insulation material between the layer.
The present invention:
1 thermal equilibrium tin hat: adopt iron material matter, upper shield is at the front end of the short cavity pipe of the interchangeable high temperature of contact molten iron.
The short cavity pipe of the interchangeable refractory ceramics of 2 contact molten iron: high-temperature ceramic materials is socketed on the double-layer ceramic cavity pipe of metal sleeve protection.
3 have the double-layer ceramic cavity pipe of metal sleeve protection: be connected and fixed on the can, can is the leaded interface of end face in addition.This cavity pipe does not contact molten iron when using.
4 cans: can is that double layer design has interlayer, in the layer thermal insulation material is arranged, and fixed mount is arranged in the box, assembling lens group on the frame, selects the look color filter and is furnished with optical fiber interface.Add the protection insulation casing by can lead-in wire interface and draw optical fiber to photovoltaic power converter.
5 lens combination: be installed on the fixed mount in the can, logical light focuses on.
6 select the look color filter: be installed on the fixed mount in the can, select frequency spectrum to filter.
7 optical fiber: high-temperature resistant optical fiber, interface fit on the can inner fixed stand.
8 photovoltaic power converters: be installed in the Temperature sampler when output voltage signal, online use.
9 fixed mounts: immobilising device metal frame.
10 thermal insulation materials: heat-barrier material.
The present invention has following characteristics:
1. according to the tap a blast furnace pyrostat of measuring blast-melted temperature that is exclusively used in of characteristics designs of metallurgy high furnace.
2. on structural design; adopt the thermal equilibrium tin hat of ferrous material to be enclosed within on the short cavity pipe port of refractory ceramics; when it is deep into when melting in the blast furnace iron outlet groove molten iron; can realize that rapid thermal equilibrium radioluminescence of cavity pipe and radiant light are consistent with the molten iron characteristic light and for the broadband spectral line; this be in the shortest time, obtain, the reflection complete performance luminescent chromaticity of objective reality and the thermal equilibrium radiation of intensity, have thermometric meaning.The thermal equilibrium tin hat also can be treated time spent protection cavity pipe at sensor in addition.This method has also avoided the non-contact optoelectronic temp measuring method to be subject to molten iron surface flotation slag thing simultaneously and the drawback of the on-the-spot flue dust environmental impact that taps a blast furnace.
3. the short cavity pipe of refractory ceramics that gos deep in the molten iron with contact method is that high-temperature ceramic materials is made, is interchangeable, and through repeatedly using the back if breakage can be replaced at any time, method is easy.The breakage of the short cavity pipe of refractory ceramics does not influence the operate as normal of whole sensor other parts.
4. determine the length of three layers of cavity pipe by field condition, satisfy the requirement of different manufacturers, different blast furnace production environments.Three layers of cavity outer tube layer adopt the metallic sheath design, make cavity body can have protection ground to use in the rugged surroundings scene.
5. by the broadband spectral line of cavity pipe front end molten iron radiation after lens combination, carry out the photoelectric energy exchange by selecting the look color filter.
6. the short cavity pipe of refractory ceramics is inserted molten iron, and the device stow away from heat in double-level-metal box and the box will obtain maximum protection, also be characteristics of the present invention.
The advantage of pyrostat of the present invention: be exclusively used in blast-melted thermometric, complete reliable, easy to use, energy-saving and cost-reducing, the durable longevity of temperature-sensitive information response and can onlinely using.
Information completely: measured object thermal equilibrium is the basis of thermometric, the present invention realizes thermal equilibrium collection radiant light rapidly, contact and go deep into avoiding in the molten iron influence of the molten iron surface flotation slag thing and the on-the-spot flue dust environment that taps a blast furnace, gather the information of complete reliable performance radiant light colourity and intensity, collection is proper opportunity, gathering frequency range increases greatly, and wavelength coverage can be at 450～1000nm.Signal is handled through subsequent process, can accurately record the molten iron temperature data.
Easy to use: the disposable input of the present invention, reusable, equipment is simple, easy and simple to handle, very little maintenance.
Energy-saving and cost-reducing: the present invention can replace the disposable thermometric device of high flow rate, and each thermometric consumptive material only is a little irony thermal equilibrium tin hat.
Durable longevity: the present invention is high temperature resistant, and replaceable ceramic operational design of lacking cavity pipe and rapid thermometric disengaging molten iron will guarantee that this pyrostat can use for a long time.
Can onlinely use: pyrostat of the present invention is if connection temperature data acquisition device and pc machine can be realized the on-line measurement of molten iron temperature; Connect display instrument and can be made into the secondary temperature instrumentation; Connect single-chip microcomputer and can directly provide the molten iron temperature data for " blast furnace smelting expert system " networks.
Four, description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a separating component design drawing of the present invention.
Five, embodiment
1, embodiment
The present invention is the pyrostat that is exclusively used in blast-melted thermometric; be connected to form cylindrical regular integral hollow by the short cavity pipe of the interchangeable refractory ceramics of thermal equilibrium tin hat 1, socket 2, three layers of cavity pipe 3; integral hollow is connected and fixed on the heat insulation double-level-metal box 4; directly, " blast furnace smelting expert system " provide the molten iron temperature data as if realizing, can 4 interior fixedly single-chip microcomputers for networking.Can 4 is a double Shell, between the layer heat insulation layer 10 is housed, fixed mount 9 is arranged in the can 4, can 4 end in addition has optical fiber 7 lead-in wire interfaces, fixed mount 9 fixed lens group 5 and select look color filter 6, lens combination 5 and select look color filter 6 between three layers of cavity pipe 3 and optical fiber 7 is drawn the photovoltaic power converter 8 of optical fiber 7 to the data acquisition unit by can 4 lead-in wire interfaces, and entire combination constitutes this pyrostat.Three layers of cavity pipe 3 skin are that metal sleeve, internal layer are double-layer ceramic cavity pipe, and three layers of cavity pipe (the double-layer ceramic cavity pipe that the metal sleeve protection is arranged) 3 form cylindrical cavity integral body.Require to determine the length of whole cylindrical cavity body according to the production scene operation.During thermometric, the gauger is with the pyrostat front end in short cavity pipe 2 reeves of refractory ceramics of irony thermal equilibrium tin hat 1 and the blast furnace iron outlet groove molten iron that submerges, and melts instantaneous (determining the thermal equilibrium radiation) by irony thermal equilibrium tin hat 1 and grasps Measuring Time.Irony thermal equilibrium tin hat 1 gos deep into will melting in 5 seconds in the molten iron; that sends during thawing has the radiant light that enriches colourity and strength information via the short cavity pipe 2 of refractory ceramics; [length of integral hollow is by lens combination 5 decisions for the cylindrical regular cavity of three layers of cavity pipe 3 formation; the selection of lens combination 5 is determined by the production scene] import lens combination 5 into; by selecting look color filter 6; the irradiation luminous flux of lens combination 5 is selected to carry out photovoltaic energy conversion after the filtering through selecting look color filter 6; select look wavelength coverage: 450～1000nm; reach photovoltaic power converter 8 by optical fiber 7 and finish opto-electronic conversion; transfer temperature measurement signal to voltage signal output, realize the temperature information electric weightization.Whole measuring process was finished in 10 seconds, made the measurement of temperature reach accurate, convenient, rapid through subsequent treatment.
After thermometric finishes, the pyrostat front end is broken away from molten iron, put new irony thermal equilibrium tin hat 1 again and use in order to measuring next time.The short cavity pipe 2 of the use of irony thermal equilibrium tin hat 1 and refractory ceramics can be repeatedly used and can replace at any time and box in the design of device stow away from heat be the key point that this sensor can be accomplished comprehensive, easy to use, the durable longevity of information acquisition, energy-saving and cost-reducing and very little maintenance.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134081A CN101520344A (en) | 2009-03-31 | 2009-03-31 | High-temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134081A CN101520344A (en) | 2009-03-31 | 2009-03-31 | High-temperature sensor |
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| Publication Number | Publication Date |
|---|---|
| CN101520344A true CN101520344A (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910134081A Pending CN101520344A (en) | 2009-03-31 | 2009-03-31 | High-temperature sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003999A (en) * | 2010-10-14 | 2011-04-06 | 北京机电院高技术股份有限公司 | Infrared high temperature measuring device and method |
| CN102401695A (en) * | 2011-08-29 | 2012-04-04 | 哈尔滨市赛维计算机技术服务有限责任公司 | Hot metal detector under high temperature vapour environment |
| CN103276129A (en) * | 2013-06-20 | 2013-09-04 | 济钢集团有限公司 | Novel temperature detection device for smelting molten iron in blast furnace |
| CN105606137A (en) * | 2016-02-26 | 2016-05-25 | 桂林市淦隆环保科技有限公司 | Light sensor working under high temperature environment |
| CN110375881A (en) * | 2019-09-03 | 2019-10-25 | 国网河北能源技术服务有限公司 | A kind of distributed fiber temperature measuring device and its temp measuring system |
-
2009
- 2009-03-31 CN CN200910134081A patent/CN101520344A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003999A (en) * | 2010-10-14 | 2011-04-06 | 北京机电院高技术股份有限公司 | Infrared high temperature measuring device and method |
| CN102003999B (en) * | 2010-10-14 | 2014-01-01 | 北京机电院高技术股份有限公司 | Infrared high temperature measuring device and method |
| CN102401695A (en) * | 2011-08-29 | 2012-04-04 | 哈尔滨市赛维计算机技术服务有限责任公司 | Hot metal detector under high temperature vapour environment |
| CN103276129A (en) * | 2013-06-20 | 2013-09-04 | 济钢集团有限公司 | Novel temperature detection device for smelting molten iron in blast furnace |
| CN103276129B (en) * | 2013-06-20 | 2016-02-03 | 济钢集团有限公司 | A kind of temperature-detecting device of novel blast-furnace smelting molten iron |
| CN105606137A (en) * | 2016-02-26 | 2016-05-25 | 桂林市淦隆环保科技有限公司 | Light sensor working under high temperature environment |
| CN110375881A (en) * | 2019-09-03 | 2019-10-25 | 国网河北能源技术服务有限公司 | A kind of distributed fiber temperature measuring device and its temp measuring system |
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Open date: 20090902 |