CN2269589Y - High-temperature tracking and measuring device in melt - Google Patents
High-temperature tracking and measuring device in melt Download PDFInfo
- Publication number
- CN2269589Y CN2269589Y CN 96233571 CN96233571U CN2269589Y CN 2269589 Y CN2269589 Y CN 2269589Y CN 96233571 CN96233571 CN 96233571 CN 96233571 U CN96233571 U CN 96233571U CN 2269589 Y CN2269589 Y CN 2269589Y
- Authority
- CN
- China
- Prior art keywords
- temperature
- sensing probe
- wavelength
- containment vessel
- pyrometer
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000013500 data storage Methods 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 8
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 8
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
A high-temperature tracking and measuring device in a melt belongs to a high-temperature (1000-2000 ℃) measuring instrument and comprises a temperature sensing probe, an optical cable, a multi-wavelength pyrometer and a data storage analyzer with special software. The center of the temperature sensing probe is a metal oxide single crystal, the periphery of the temperature sensing probe is a special ceramic protective shell, and the rear part of the temperature sensing probe is a high-low temperature light guide coupler. The multi-wavelength pyrometer is composed of light modulation and wavelength selector, photoelectric converter and following amplifier. The device has the advantages of temperature measurement error less than 0.5%, high temperature resistance, no melting, corrosion resistance, thermal shock resistance, no cracking, no slag falling, oxidation resistance, reusability, continuous tracking temperature measurement, long service life and wide application.
Description
The utility model belongs to temperature measuring equipment.
Before the utility model was made, how high temperature measurement device commonly used was made of platinum one rhodium thermocouple in metallurgy industry both at home and abroad.Develop tungsten one rhenium thermopair (see " tungsten one rhenium thermopair " Beijing Iron and Steel Research Geueral Inst volume, publishing house of Ministry of Metallurgical Industry publishes, 1993) in recent years again.They all belong to thermopair.The life-span of thermopair only is tens seconds, and not only the life-span weak point can not carry out tracking measurement to molten matter internal temperature, and often provide glitch, and precision is low, causes product rejection.In order to improve the measurement confidence level of thermopair, the Chinese capital iron company instrument and meter factory was studied successfully the automatic data collection device of temp measuring system in 1991, can improve measuring accuracy with the sampling rate of per second 4 times.But owing to do not change the thermopair sensing mode, therefore fail fundamentally to change the batch (-type) measurement means, can not follow the tracks of continuous temperature measurement.
Optical fiber temperature sensor technology comes out in recent years.Chinese Academy of Sciences's Xi'an ray machine was succeeded in developing the dual-wavelength optical-fiber temperature sensor in 1992, but can only the Measuring Object surface temperature, can not be used to measure molten matter internal temperature.Nineteen eighty-three, the R.R.Dils of NBS delivered the article (seeing Dils R.R.J.Appl.Phys.54 (3) March 1983) of " Optical Fiber Thermometer Base ", and this pyrometer is by high temperature optical fiber, low temperature optical fiber, photoelectric commutator constitutes, at the temperature-sensitive end of high temperature optical fiber by plating iridium and lining Al
2O
3Powder forms a blackbody chamber.1992, B.E.Adams has reported the commercial Application technology of Dils Optical Fiber Thermometer Base, mainly comprise analysis to combustion process, control to industrial furnace, the control of Semiconductor Chemistry gas deposition reacting furnace, the in-site measurement of the control of crystal pulling stove and emissivity and temperature, its principal feature are to form a thin film black body cavity to improve the resolution characteristic of pyrometer under harsh hot environment in the end of sapphire light pipe.In addition, U.S. Harry diamond research institute and American Bureau of Standards (ABS) have developed " jet kapillary pyrometer " and (have seen " temperature survey in science and the industry and control " Chinese translation (volume two); Science Press, 1985), the character that is characterized in utilizing the viscosity of gas working dielectric to change with temperature is determined temperature by the correlativity of viscosity and temperature.Above-mentioned pyrometer is only limited in industrial vacuum stove and high temperature air stove to be used, and can not be applied to high temperature, strong oxidation, vigorous erosion, the metallurgy industry of washing away by force.
The purpose of this utility model provides a kind of new type high temperature measurement mechanism, the high temperature Continuous Tracking that can melt matter inside is measured, can be high temperature resistant, and anti-oxidant, anti-erosion, can be used for the industrial high temperature smelting furnace, the internal temperature diagnostic measures of combustion chambers of internal combustion engines, jet engine firing chamber.
The purpose of this utility model realizes by following proposal.
Molten matter internal high temperature tracking measurement device, by temperature-sensing probe, multi-wavelength pyrometer and data storage analyser constitute.The temperature-sensing probe center is the monocrystalline metal oxide of a cylindrical shape, is set with the special cermacis containment vessel of a tubular in this monocrystalline cylinder circumference, and there is the hydrocooler of a high low temperature photoconduction coupling mechanism and interlayer sleeve shaped the cylindrical rear end of this monocrystalline.Its special cermacis containment vessel cylinder lumen is a cylindrical shape, and this containment vessel profile can be for cylindrical or prismatic.The inner chamber and the profile of the high low temperature photoconduction coupling mechanism at its rear portion are identical with the inner chamber and the profile of special cermacis containment vessel, and the cavity shape of hydrocooler interlayer sleeve is identical and identical with the profile of special cermacis containment vessel and high low temperature photoconduction coupling mechanism.Temperature-sensing probe is connected with the multi-wavelength pyrometer by optical cable.
The multi-wavelength pyrometer is by the optical cable socket, discoidal optical modulation and wavelength selector, and photoelectric commutator and follower amplifier constitute.From the front to the back, run through respectively on its optical modulation and the wavelength selector disc and be embedded with two to seven circular narrow band pass filters.The multi-wavelength pyrometer is connected with the data storage analyser by cable.
Embodiment accompanying drawings of the present utility model provides.
Description of drawings:
Fig. 1, molten matter internal high temperature tracking measurement equipments overall structure figure;
Fig. 2, temperature-sensing probe central lateral plane structural drawing;
Fig. 3, multi-wavelength pyrometer overall construction drawing;
Fig. 4, optical modulation and wavelength selector structural drawing;
Fig. 5, the follower amplifier circuit diagram;
Fig. 6, data storage analyser functional-block diagram;
Fig. 7, the embedded scheme of installation of temperature-sensing probe;
Fig. 8, the utility model are used for 10% chromium steel measuring temp of molten steel figure as a result.
Sequence number implication among the figure: 1. optical cable, 2. multi-wavelength pyrometer, 3. cable; 4. data storage analyser, 5. temperature-sensing probe, molten matter 6. to be measured; 7. smelting furnace, 8. ceramic containment vessel, 9. water inlet; 10. chilled water, 11. hydrocoolers, 12 high low temperature photoconduction coupling mechanisms; 13. water delivering orifice, 14. monocrystalline metal oxide poles, 15. optical cable plugs; 16. narrow band pass filter, 17. optical modulations and wavelength selector, 18. CD-ROM drive motor; 19. photoelectric commutator, 20. high-voltage power supplies, 21. follower amplifiers; 22. low-tension supply, 23. signal output cables, 24. weight stacks; 25.CPU (NPU), 26. keyboards, 27. high resolution displaies; 28. programmable amplifier, 29.A/D converter, 30. high speed dual port buffers; 31. storage management controller, 32. display controllers, 33. Floppy Disk Controller; 34. floppy disk, 35. plain flanges, 36. smelting furnace shells; 37. furnace wall; 38.Y axle indication liquid steel temperature (K), 39.10% chromium steel molten steel temperature rise curve, 40.X axle instruction time (min).
The center of temperature-sensing probe 5 is the monocrystalline metal oxide of cylindrical shape, diameter 0.50-5mm, and length 300-1000mm can adopt Al
2O
3Monocrystalline or MgO monocrystalline are made.Surrounded by ceramic containment vessel 8 around this monocrystalline metal oxide pole 14; its front end knocking outside; its rear end is surrounded and sealing by high low temperature photoconduction coupling mechanism 12; center, its rear end is connected with optical cable 1; this optical cable stretches out in the middle of high low temperature photoconduction coupling mechanism 12; insert multi-wavelength pyrometer 2, ceramic containment vessel 8 is by TiB
2Add an amount of high-temperature oxide (as Al
2O
3, MgO etc.) compression moulding forms through high temperature sintering again, also hot pressing moulding has anti-oxidant, anti-thermal shock, erosion-resistant characteristics, can protect the monocrystalline metal oxide 14 at temperature-sensing probe 5 centers not cracked.Simultaneously, it has good thermal conductivity again, daylighting, the biography optical property that can remain valid under the washing away, denude of the molten matter that flows.Outside surface coincide around the inner chamber of the ceramic containment vessel 8 of this kind and the columniform monocrystalline metal oxide 14.Its profile is prismatic, can be four-prism or positive six prisms etc., and the butt coupling of high and low temperature optical fiber is connect by metal nuts such as Al, Cu, Fe, makes the spacing that leaves 1-5mm between the high and low temperature fiber end face.Hydrocooler 11 two ends form with ring plate sealings such as metal A l, Cu, Fe and are enclosed in high low temperature fiber coupler 12 cavity on every side.On the front and rear portions sidewall of cavity, be provided with water inlet 9 and water delivering orifice 13, the long 5-20cm of this cavity.Hydrocooler 11 can spread out of temperature-sensing probe 5 by means of flowing cold water from molten matter heat in time absorbs to be taken away, can long-term work to guarantee low temperature optical fiber.The optical cable of temperature-sensing probe 5 rear ends is made by silica fibre, core diameter 50-100 μ m, numerical aperture N
A=0.16-0.20, length is generally 30-200m, and it can reach multi-wavelength pyrometer 2 with the molten matter radiation energy that temperature-sensing probe 5 is gathered.
Embodiment 2, multi-wavelength pyrometer (Fig. 3, Fig. 4):
Multi-wavelength pyrometer 2 is made of optical cable 1, optical cable socket 15, optical modulation and wavelength selector 17, photoelectric commutator 19, follower amplifier 21 and signal output cable 23 successively.Optical cable 1 is identical with the optical cable 1 of temperature-sensing probe 5.Optical modulation and wavelength selector 17 (Fig. 4) are a rosette that diameter is Φ 80-150mm, and this disk is driven by a high-speed motor, can be around its center of circle rotation.This rosette penetrability on a circle on surface is embedded with narrow band pass filter 16 and 1 weight stack 24 of 2-7 piece different wave length, the centre wavelength of optical filter 16 can select 2-7 different wave length as operation wavelength between 0.7-1.1 μ m, is preferably in evenly to distribute between the 0.7-1.1 μ m or distribute near even.The halfwidth of optical filter is 10-20nm, and transmitance is not less than 50%.The beam modulation that optical filter 16 can transmit optical cable 1 on the one hand with the protection electrooptical device, can resolve into the white light that optical cable 1 transmits the light of different wave length, so that determine temperature with multi-wavelength light for being interrupted light on the other hand.Photoelectric commutator 19 is selected S for use
1The photomultiplier that the type photocathode material is made, its voltage divider is made by the reference parameter that manufacturer provides, and cathode sensitivity is greater than 9mA/lm, and gain is greater than 10
5, the rise time is less than 5ns.Photoelectric commutator 19 is by high-voltage power supply 20 power supply, and its effect is to be transmitted by optical cable 1, passes the optical filter 16 on optical modulation and the wavelength selector 17 and the light signal injected converts electric signal to.Follower amplifier 21 can amplify this electric signal, and the circuit diagram that Fig. 5 provides is when the pull-up resistor of photo-electric conversion element is high-impedance resistors, reflection takes place and the follower amplifier reference line figure of employing for fear of signal.Follower amplifier 21 is by low-tension supply 22 power supplies.High-voltage power supply 20 technical requirements are, output voltage range 500-2000V is adjustable continuously, and degree of stability drift in 8 hours is less than 0.1%, output current 2A/ road, output way 2 tunnel.The index of low-tension supply 22: voltage 10-50V.D.C.
Embodiment 3, data storage analyser (Fig. 6):
The chief component of data storage analyser 4 is: computing machine is a technical grade 486, internal memory 4M, hard disk 540M, monitor 9 " or 14 " data acquisition board sampling rate 20MSPS, binary channels, resolution 8bit, precision 1%.In addition, data storage analyser 4 also comprises data acquisition control process software and temperature computation special software.Data storage analyser 4 and parts thereof can be buied from the market, through selecting, can be fit to the utility model and use.
Embodiment 4, use of the present utility model:
1) the overall assembling of the utility model device:
(1) temperature-sensing probe 5 and quartzy optical cable 1 are docking together, note when tightening the coupling nut, preventing that optical cable from rotating with nut, in case optical cable fractures;
(2) water pipe with the intake-outlet 9,14 of hydrocooler 11 connects;
(3) quartzy optical cable 1 other end is plugged on the light input plug 15 of multi-wavelength pyrometer 2;
(4) connect cable 23 on the signal output plug with multi-wavelength pyrometer 2, the voltage signal input cable that simulates of the other end is connected on the signal input socket of data storage analyser 4;
(5) power lead with multi-wavelength pyrometer 2, data storage analyser 4 is plugged on 220V respectively, on the Power pinboard of 50Hz.
2) test is prepared:
(1) the test beginning is preceding 30 minutes, opens the high-voltage electric switch of multi-wavelength pyrometer 2, shows the voltage indication about 500V on the voltage table, after 5 minutes, rotate the high pressure turn-knob, make the registration on the voltage table reach predetermined value (this value is determined at timing signal, and provided) in operation instructions;
(2) open data storage analyser 4 power switches, check whether every function is normal, need set various parameters by measuring;
(3) measured preceding 5 minutes, open the low-tension supply 22 of the follower amplifier 21 of multi-wavelength pyrometer 2, the pilot lamp on this switch " bright ";
(4) measured preceding 2 minutes, open the power supply of modulator motor 18, the modulation optical splitter begins rotation work.
3) measure:
(1) spot measurement: spot measurement be meant temperature-sensing probe 5 be installed on the point of fixity (as temperature-sensing probe is embedded furnace wall Fig. 7 or from furnace roof insert fixed), probe 5 is no longer mobile;
(2) multimetering: multimetering can realize by the insertion position that changes temperature-sensing probe 5, measures the temperature variation of different depth, can finish by the insertion depth that changes probe 5;
If the temperature in synchronization requirement measurement different location then should adopt a plurality of temperature-sensing probes 5 while and usefulness, be positioned over different measuring points respectively and realize;
(3) starting of Ce Lianging and carrying out:
1. after finishing the test preparation, only need provide " RUN " instruction on data storage analyser 4, surveying work will be undertaken by predefined Automatic Program; Measurement result will be pressed regularly displays temperature result of setting-up time step-length on display, and will demonstrate temperature curve over time:
2. when temperature reaches design temperature, data storage analyser 4 will send the tinkle of bells, remind liter (falling) temperature to reach predetermined value, and send necessary main signal (cut off heating power supply or open heating power supply etc.);
4) shutdown:
(1) the high voltage adjusting turn-knob is threaded to minimum, the voltage table registration is reduced to about 500V;
(2) close the switch of high-voltage power supply 21;
(3) close the switch of follower amplifier 22, low-tension supply 23;
(4) close the switch of CD-ROM drive motor 18;
(5) close the power supply of data storage analyser 4;
(6) pull out data storage analyser 4 and multi-wavelength pyrometer worker's power lead.
Fig. 8 is the heating curve figure with the utility model device practical measurement 10% chromium steel liquid steel temperature." " is value for the utility model survey among the figure, and " ⊙ " is the platinum-rhodium thermocouple measured value.
The utlity model has following features:
1. the utility model temperature-sensing probe is owing to adopted in recent years special cermacis and the high temperature resistant light that goes out newly developed Fibre, thereby can insert in the 1000-2000 ℃ of melting media (such as AL, Cu, Fe and alloy thereof etc.) and be not etched, Damage, can be high temperature resistant, do not melt, anti-oxidant, the anti-pad of burn into does not shake, does not burst, do not fall slag, can weigh Multiple repeatedly use, but continuous operation more than month, and its life-span is longer than a furnace life.
2. owing to use Fibre Optical Sensor and in conjunction with photoelectron, machine element, thereby realized in the smelting furnace molten Accurate, continuous, the tracking measurement of matter internal high temperature, measure error is less than 0.5%. For smelting industry take temperature as Benchmark realizes that automation provides reliable means of testing.
3. of many uses, can be used for the industrial high temperature stove, combustion chambers of internal combustion engines, jet engine combustion chamber etc. The internal temperature diagnostic measures.
Claims (3)
1. molten matter internal high temperature tracking measurement device; it is characterized in that by temperature-sensing probe; multi-wavelength pyrometer and data storage analyser constitute; temperature-sensing probe is connected with the multi-wavelength pyrometer by optical cable; the multi-wavelength pyrometer is connected with the data storage analyser by cable again simultaneously; the temperature-sensing probe center is the monocrystalline metal oxide of a cylindrical shape; the ceramic containment vessel that a tubular is arranged in this monocrystalline cylinder circumference; there is the hydrocooler of a high low temperature photoconduction coupling mechanism and interlayer sleeve shaped the cylindrical rear end of this monocrystalline, and the multi-wavelength pyrometer is by the optical cable socket; discoidal optical modulation and wavelength selector; photoelectric commutator and follower amplifier constitute.
2. according to the high temperature measurement device of claim 1; the ceramic containment vessel cylinder lumen that it is characterized in that temperature-sensing probe is a cylindrical shape; this containment vessel profile can be for cylindrical or prismatic; the inner chamber of high low temperature photoconduction coupling mechanism and profile are identical with the inner chamber and the profile of ceramic containment vessel, and hydrocooler interlayer barrel bore shape is identical and identical with the profile of ceramic containment vessel and high low temperature photoconduction coupling mechanism.
3. according to the high temperature measurement device of claim 1, it is characterized in that on the optical modulation of multi-wavelength pyrometer and wavelength selector, from the front to the back, running through being embedded with two to seven circular arrowbands and considering mating plates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96233571 CN2269589Y (en) | 1996-08-15 | 1996-08-15 | High-temperature tracking and measuring device in melt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96233571 CN2269589Y (en) | 1996-08-15 | 1996-08-15 | High-temperature tracking and measuring device in melt |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2269589Y true CN2269589Y (en) | 1997-12-03 |
Family
ID=33910214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 96233571 Expired - Fee Related CN2269589Y (en) | 1996-08-15 | 1996-08-15 | High-temperature tracking and measuring device in melt |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2269589Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2746790A2 (en) | 2012-12-24 | 2014-06-25 | Akademia Morska | The method and circuit for measuring own and mutual thermal resistances of a magnetic device |
-
1996
- 1996-08-15 CN CN 96233571 patent/CN2269589Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2746790A2 (en) | 2012-12-24 | 2014-06-25 | Akademia Morska | The method and circuit for measuring own and mutual thermal resistances of a magnetic device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201416934Y (en) | Coil panel of electromagnetic oven | |
CN111004882B (en) | Method and device for measuring thickness of furnace wall of hearth of blast furnace on line | |
US6846105B2 (en) | Method for continuously measuring melting steel temperature and measuring temperature pipe | |
CN110186583B (en) | Method for measuring temperature of ceramic matrix composite high-temperature component based on electrical impedance imaging | |
US4269397A (en) | Method for measuring the thickness of a refractory in a metallurgical apparatus | |
CN1063546C (en) | Method and device for tracking and measuring high temperature in melt | |
CN201653844U (en) | Thermal barrier coating high-temperature oxidation resistant performance test device | |
CN2269589Y (en) | High-temperature tracking and measuring device in melt | |
JP7241749B2 (en) | Blast furnace condition monitoring | |
CN2366838Y (en) | Device for automatically and continuously measuring temp. in calcining rotary kiln | |
CN101520344A (en) | High-temperature sensor | |
CN210141943U (en) | Device for continuously detecting components and temperature of molten steel | |
CN112697302A (en) | Total temperature probe based on fiber bragg grating and manufacturing method thereof | |
CN2465162Y (en) | Optical fibre high-temp. measurer | |
CN201522464U (en) | Converter throwing-falling type crystal fixed carbon probe | |
CN201258340Y (en) | Blast furnace hot blast stove crown hot blast temperature measurement apparatus | |
CN209470788U (en) | A kind of bolt device based on fluorescence fiber temperature measurement principle | |
CN210774419U (en) | Sapphire fiber grating high temperature sensor | |
CN103575417A (en) | Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process | |
CN101798609A (en) | Method for measuring lining temperature by adopting thermo-couple to diagnose lining conditions of blast-furnace bottom and lower hearth | |
CN2565004Y (en) | Special thermocouple for coke-oven | |
CN202182734U (en) | Wireless device used for detecting molten metal temperature, oxygen content and carbon content | |
KR200308195Y1 (en) | Combinations probe for measurement and picking molten metal sample | |
CN219736317U (en) | Cable diameter measuring tool | |
EP0065583B1 (en) | Method and device for measuring the thickness of a refractory in a metallurgical apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |