CN106969837B - A kind of induction melting multilevel hierarchy infrared temperature measurement apparatus and temp measuring method - Google Patents
A kind of induction melting multilevel hierarchy infrared temperature measurement apparatus and temp measuring method Download PDFInfo
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- CN106969837B CN106969837B CN201710274083.7A CN201710274083A CN106969837B CN 106969837 B CN106969837 B CN 106969837B CN 201710274083 A CN201710274083 A CN 201710274083A CN 106969837 B CN106969837 B CN 106969837B
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- 238000002844 melting Methods 0.000 title claims abstract description 43
- 230000008018 melting Effects 0.000 title claims abstract description 43
- 230000006698 induction Effects 0.000 title claims abstract description 41
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000003500 flue dust Substances 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims description 5
- 238000007499 fusion processing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000007670 refining Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0037—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids
- G01J5/004—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids by molten metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0205—Mechanical elements; Supports for optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of induction melting infrared temperature measurement apparatus, including infrared temperature probe, form, multistage temperature tube and fixing device；The infrared temperature probe generates the infrared light to generate thermometric, the form is keeping vacuum sealing and pass through the infrared light, the multistage temperature tube makes infrared light pass through, focus on and forms the hot spot that is irradiated in and treats in thermometric target, and the flue dust of generation and/or steam during thermometric are adsorbed；The multistage temperature tube includes multilevel hierarchy, aperture is included per primary structure, along the direction of advance of flue dust and/or steam, internal diameter is sequentially increased the multilevel hierarchy；The fixing device makes thermometric be irradiated in the hot spot that infrared light is formed and treats in thermometric target the infrared temperature measurement apparatus to be fixed.The present invention is different from traditional hand-held infrared temperature measurement apparatus, by the way of fixed, multilevel hierarchy connection, so that dust and steam are deposited in uphill process on the inner wall of temperature tube, prevent from being attached on the glass window of temperature-measuring port, it can be achieved that real-time, continuous, accurate thermometric.
Description
Technical field
The invention belongs to Casting Equipment technical field, more particularly, to a kind of vacuum induction melting infrared temperature measurement apparatus with
Temp measuring method.
Background technology
Process for vacuum induction smelting is since efficient, energy consumption is lacked, and is conducive to eliminate with strong function composite by electromagnetic stirring
Component segregation is widely used in the specialty alloy materials such as nickel base superalloy, titanium alloy, stainless steel, unimach in recent years
Production.During vacuum induction melting, usually aluminium alloy is refined under conditions of the stirring of high temperature high vacuum height, and
Control suitable pouring temperature.Therefore, the accurate measurement of alloy melt temperature is realized, to realizing the high-purity of final alloy compositions
Cleanliness and high accuracy all play crucial effect.
In current induction melting, the temp measuring method of generally use is to carry out contact to the aluminium alloy of melting using thermocouple
Thermometric, this method has three, first, thermocouple is stretched into aluminium alloy, when perceiving the temperature of molten steel needs certain
Between, can not quick response thermometric, influence production efficiency；Second, under high temperature thermocouple protective casing inevitably with alloy
Melt reacts, especially vacuum induction melting high-melting-point or when containing alloy with high activity, under high temperature thermocouple protective casing with
Degree of purity of the reaction product of melt as impurity effect aluminium alloy, seriously affects alloy mass；Third, since vacuum induction melts
Refining along with generating powerful electromagnetic field, thermoelectrical potential caused by the thermocouple above induction coil inevitably by
The influence of the powerful electromagnetic field, melt temperature are difficult to accurately measure.Therefore, when can not realize quick, long using thermocouple, continuously
Thermometric.
Infrared measurement of temperature is a kind of contactless thermometric mode, can be to avoid problem above.It is but conventionally employed at present
Hand-held infrared radiation thermometer is not appropriate for being applied in vacuum induction melting, and main problem is：First, hand-held infrared measurement of temperature
Instrument temperature measuring point is behaved in order to control, and temperature measuring point is unstable, is very easy to generate error；Secondly as it needs artificially to hold infrared survey
Wen Yi, so continuous measurement can not be realized；Finally, infrared measurement of temperature is easily affected by the surrounding environment, and vacuum induction melting is in height
Melting, the cigarette that gasification, volatilization and the working media of alloy melt generate at high temperature are carried out under warm high vacuum condition to alloy
Gas etc. can cause melting kettle nearby to generate a large amount of dust flue gas, these substances are usually easy to be attached to infrared radiation thermometer
On the glass window of temperature-measuring port, so as to be had a huge impact to the accuracy of thermometric.Some infrared radiation thermometers are by blowing at present
The mode swept removes smoke influence, but which is also not suitable for for vacuum induction melting, and the effect purged first is simultaneously unstable
Fixed, the alloy melt surface temperature that next gas purged out will necessarily treat thermometric has an impact, its temperature is caused to decline, and surveys
It is warm inaccurate.
Invention content
In order to solve the above technical problems, the present invention provides a kind of infrared temperature measurement apparatus and temp measuring methods.
Complete technical solution of the invention includes：
A kind of infrared temperature measurement apparatus, including infrared temperature probe, form, multistage temperature tube and fixing device；Its feature exists
In,
The infrared temperature probe generates the infrared light to generate thermometric, and the form is located at infrared temperature probe
Front；The multistage temperature tube makes infrared light pass through, focus on and forms the hot spot that is irradiated in and treats in thermometric target, and to survey
The flue dust and/or steam generated during temperature is adsorbed；The multistage temperature tube includes multilevel hierarchy, is wrapped per primary structure
Include aperture, along the direction of advance of flue dust and/or steam, internal diameter is sequentially increased the multilevel hierarchy；
The fixing device is the infrared temperature measurement apparatus to be fixed, the hot spot irradiation for forming thermometric infrared light
In treating in thermometric target.
Preferably, the infrared temperature measurement apparatus is induction melting infrared temperature measurement apparatus, in particular vacuum induction melting
Use infrared temperature measurement apparatus.
Preferably, the multistage infrared temperature measuring pipe includes tertiary structure, and the tertiary structure is along flue dust and/or steam
Direction of advance, internal diameter is sequentially increased, and the Design of length of the tertiary structure makes the light that infrared temperature probe generates right
Focus is caused to be located therein at the lower section aperture of primary structure when burnt.
Preferably, the internal thread segment of aperture and lower section of the tertiary structure including top, tertiary structure pass through spiral shell
Line connects, detachably.
Preferably, in the tertiary structure, lower part is the first level structure, and the first level structure lower end passes through connector and baffle
Connection.
Preferably, the infrared temperature measuring pipe is externally provided with bellows, the bellows be located at upper flange and lower flange it
Between, the upper flange and lower flange are realized by stud and top nut and fixed, and can be adjusted by the position of nut real
The Slope angle adjustment of existing bellows.
Preferably, the infrared temperature measurement apparatus is fixed on the furnace body flange of vacuum induction melting furnace by fixing device
On.
The method that thermometric is carried out using above-mentioned infrared temperature measurement apparatus, which is characterized in that in the process of vacuum induction melting
In, open infrared temperature probe, real-time continuous thermometric carried out to fusion process, the dust and steam that induction melting process generates from
The lower end aperture of first level structure of multistage infrared temperature measuring pipe enters, and thermometric inside pipe wall is partially depositing in uphill process
In, remaining a small amount of dust and steam sequentially enter second and third level structure, and the equally experience above process is deposited respectively.
The present invention is relative to the advantages of prior art：
1. the present invention is for the dust and steam occurred in induction melting, by the way of multilevel hierarchy connection so that ash
Dirt and steam are deposited in uphill process on the inner wall of temperature tube, prevent from being attached on the glass window of temperature-measuring port, so as to real
Now continuous, accurate thermometric.
2. multilevel hierarchy uses the design method that internal diameter is sequentially increased, the deposition efficiency of dust and steam is improved.
3. multilevel hierarchy using rational length, internal diameter, aperture design method, enable infrared temperature probe focusing when
It is accurately aimed at aperture, prevents the measured pipe of infrared measurement of temperature spot from blocking, improve thermometric accuracy.
4. traditional hand-held infrared temperature measurement apparatus is changed to it is fixed, will be infrared using rationally cleverly mechanical structure
Temperature measuring equipment is fixed on vaccum sensitive stove bell, and temperature measuring point is stable, it can be achieved that the continuous temperature measurement of high sensitivity, not only increases
The stability of thermometric also extends the service life of temperature measurer.
5. realizing the variation of the gradient of bellows by stud between upper lower flange and the adjustment of top nut position, protect
Having demonstrate,proved infrared measurement of temperature spot can fall in the middle position of melting kettle.
6. can in real time, continuously be monitored using temperature measuring equipment of the present invention, thermometric fast response time is remarkably improved industrial production
Working efficiency, be conducive to control vacuum induction melting alloying component precision and sublimate.
Description of the drawings
Fig. 1 is induction melting infrared temperature measurement apparatus structure diagram disclosed by the invention.
Fig. 2 is using the glass vision panel figure after induction melting infrared temperature measurement apparatus thermometric disclosed by the invention.
Fig. 3 is using the glass vision panel figure after traditional hand-held induction melting infrared temperature measurement apparatus thermometric.
In figure：1- hex nuts, 2- baffles, 3- multistage infrared temperature measuring pipes, 4- lower nuts, 5- washers, 6- lower seals, 7-
Lower screw, 8- lower flanges, 9- bellowss, 10- studs, 11- upper flanges, 12- top nuts, 13- inner bolts, 14- screwings,
The upper sealing rings of 15-, 16- glass visors, 17- infrared temperature probes, 18- infrared probe flanges, 19- furnace body flanges.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of induction melting infrared temperature measurement apparatus, including infrared temperature probe 17, the infrared survey
Temperature probe 17 is installed on infrared probe flange 18, and infrared probe flange 18 is connect by screwing 14 with upper flange 11, infrared
Glass visor 16, glass visor 16 and infrared probe flange 18 and upper flange 11 are fixed between probe flange 18 and upper flange 11
Between be respectively equipped with sealing ring 15, between upper flange 11 and lower flange 8 be equipped with bellows 9 and the multistage in bellows 9
Infrared temperature measuring pipe 3,3 lower end of multistage infrared temperature measuring pipe stretch out bellows 9 and lower flange 8, pass through hex nut 1 and baffle
2 connections.Upper flange 11 and 8 outside of lower flange are realized by stud 10 and top nut 12 and fixed, and can pass through the position of nut
Put the Slope angle adjustment that bellows 9 is realized in adjustment；Lower flange 8 is realized and furnace body flange by lower nut 4, lower screw 7 and washer 5
19 fixation has lower seal 6 between lower flange 8 and furnace body flange 19.
The multistage infrared temperature measuring pipe 3 includes connector and tertiary structure from bottom to top；Its middle and lower part is first order knot
Structure, middle part are the second level structure, top is third level structure, and tertiary structure is followed successively by threaded connection, detachably.Per primary structure
The internal thread segment of aperture and lower section including top.According to infrared radiation thermometer characteristic used, the first order knot of middle and lower part
Structure length can be 74mm, internal diameter 22mm；The second intermediate structure length can be 91mm, internal diameter 28mm；The third level on top
Structure length can be 97mm, and internal diameter 34mm, the first level structure lower section internal thread jointing, joint length can be 49mm,
Internal diameter can be 14mm, and connector lower part connect by hex nut 1 with baffle 2, more than to design be to make infrared temperature probe
17 cause focus to be located at the aperture of certain primary structure (being usually the lower section of intermediate level-one) of infrared temperature measuring pipe 3 in focusing, prevent
Only the measured pipe of infrared measurement of temperature spot blocks, and can not focus and thermometric.
In use, 3 device of infrared temperature measuring pipe is fixed with upper flange 11, glass visor 16 is placed in the top of upper flange 11
With infrared probe flange 18, and infrared temperature probe 17 is placed on infrared probe flange 18, is fixed with screwing 14 red
Outer probe flange 18.Bell is covered, the shape of bellows 9 is finely tuned, is observed by observation window so that infrared radiation thermometer is sent out red
Color thermometric spot is just got to used in vacuum induction melting at crucible center.At this point, it is fixed with stud 10
Flange, lower flange and bellows.At this point, the fixation of the temperature measuring point during vacuum induction melting can be realized.By infrared measurement of temperature
Probe is connected with Infrared Monitor System, you can realizes the continuous temperature measurement during vacuum induction melting.
During vacuum induction melting, infrared temperature probe and Infrared Monitor System are opened, fusion process is carried out
Real-time continuous thermometric, the dust and steam that induction melting process generates are small from the lower end of the first level structure of multistage infrared temperature measuring pipe
Hole enters, and is partially depositing in thermometric inside pipe wall in uphill process, only a small amount of dust and steam sequentially enters second,
Tertiary structure, and the equally experience above process is deposited respectively, is finally reached almost without dust and steam and is deposited on glass
At visor.Through test of many times, the present apparatus under conditions of the vacuum induction melting of at least one week is worked continuously, glass visor 16
Inner surface is without any dust and steam.Continuous, the accurate thermometric of more stoves can be achieved.
Embodiment 1：
Device melting GH4169 nickel base superalloys using the present invention return to material, 1650 DEG C of refining temperature, refining time
10 minutes.
Step 1：Used funnel preheats when first to crucible, ingot mould and cast, is then placed in vacuum sense
It answers in stove, burner hearth and the furnace wall of used funnel and vaccum sensitive stove when clearing up crucible, ingot mould, cast.
Step 2：Return to the pretreatment of material：It is polished using abrasive machine returning to material, removes the oxidation for returning to material surface
Skin.Then it is cleaned by ultrasonic 10 minutes or so with acetone, is put into baking oven and dries.
Step 3：The pretreated material that returns is put into stove in crucible, covers bell；After vacuumizing 1-2 hours, start
To electricity.
Step 4：First furnace charge is added 10-20 minute with the small-power of below 5KW, then gradually increases power to 10-15KW,
Make furnace charge all melting down.After furnace charge is all melting down, argon gas valve is opened, is filled with argon gas.Then, power is increased, makes temperature into one
Step rises, and prepares refining.
Step 5：After temperature rise to after 1650 DEG C, start to refine.Refining 10 minutes.In refining process, argon gas is taken out.
Step 6：After refining, power is adjusted to 0KW, after temperature is made to be down to 1400 DEG C -1500 DEG C, in the power of 5kW
Under poured into a mould.After being poured, to prevent alloy from largely being aoxidized, it is necessary to make alloy in without the vaccum sensitive stove to electricity
It at least places 1 hour, then can just uncap taking-up.
After being produced 1 week by this technical process, minute surface of the glass visor in furnace body inside is observed, is found several on glass visor
Free from dust and steam, as shown in Figure 2.
Comparative example 1：
Using vacuum induction melting device same as Example 1 and technique, using traditional hand-held infrared temperature measurement apparatus
Thermometric is carried out, as a result after 1 stove, occurs serious dust accretions in glass vision panel, as shown in figure 3, thermometric is caused to be not allowed.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and the equivalent structure that technical spirit makees above example change, and still fall within skill of the present invention
In the protection domain of art scheme.
Claims (6)
1. a kind of induction melting multilevel hierarchy infrared temperature measurement apparatus, including infrared temperature probe, glass vision panel, multistage temperature tube
And fixing device；
The infrared temperature probe generates the infrared light to generate thermometric；
It is characterized in that,
The multilevel hierarchy infrared temperature measurement apparatus is vacuum induction melting infrared temperature measurement apparatus；
The glass vision panel is located in front of infrared temperature probe, and passes through the infrared light；
The multistage temperature tube makes infrared light pass through, focus on and forms the hot spot that is irradiated in and treats in thermometric target, and to survey
The flue dust and/or steam generated during temperature is adsorbed；
The multistage temperature tube includes multilevel hierarchy, includes aperture per primary structure, the multilevel hierarchy along flue dust and/or
The direction of advance of steam, internal diameter are sequentially increased；
The multistage infrared temperature measuring pipe include tertiary structure, the tertiary structure along flue dust and/or steam direction of advance,
Internal diameter is sequentially increased, and the Design of length of the tertiary structure makes the light that infrared temperature probe generates cause focus in focusing
It is located therein at the lower section aperture of primary structure；
The fixing device makes thermometric be irradiated in the hot spot that infrared light is formed and treats the infrared temperature measurement apparatus to be fixed
In thermometric target.
2. induction melting according to claim 1 multilevel hierarchy infrared temperature measurement apparatus, which is characterized in that the three-level
The internal thread segment of aperture and lower section of the structure including top, tertiary structure are connected through a screw thread, detachably.
3. induction melting according to claim 1 multilevel hierarchy infrared temperature measurement apparatus, which is characterized in that the three-level
In structure, lower part is the first level structure, and the first level structure lower end is connect by connector with baffle.
4. according to claim 1-3 any one of them induction melting multilevel hierarchy infrared temperature measurement apparatus, which is characterized in that institute
The infrared temperature measuring pipe stated is externally provided with bellows, the bellows between upper flange and lower flange, the upper flange and
Lower flange is realized by stud and top nut and fixed, and the gradient tune for realizing bellows can be adjusted by the position of nut
It is whole.
5. induction melting according to claim 1 multilevel hierarchy infrared temperature measurement apparatus, which is characterized in that described is infrared
Temperature measuring equipment is fixed on by fixing device on the furnace body flange of induction melting furnace.
6. the method that induction melting described in claim 1 carries out thermometric with multilevel hierarchy infrared temperature measurement apparatus, which is characterized in that
During vacuum induction melting, infrared temperature probe is opened, real-time continuous thermometric, induction melting mistake are carried out to fusion process
The dust and steam that journey generates enter, and from the lower end aperture of the first level structure of multistage infrared temperature measuring pipe in the middle part of uphill process
Divide and be deposited in thermometric inside pipe wall, remaining a small amount of dust and steam sequentially enter second and third level structure, and similary experience respectively
The above process is deposited.
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| CN201710274083.7A CN106969837B (en) | 2017-04-25 | 2017-04-25 | A kind of induction melting multilevel hierarchy infrared temperature measurement apparatus and temp measuring method |
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| CN201710274083.7A CN106969837B (en) | 2017-04-25 | 2017-04-25 | A kind of induction melting multilevel hierarchy infrared temperature measurement apparatus and temp measuring method |
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| CN106969837B true CN106969837B (en) | 2018-06-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3605737A1 (en) * | 1986-02-22 | 1987-08-27 | Battelle Institut E V | Method and device for contactless temperature measurement |
| CN201107117Y (en) * | 2007-09-07 | 2008-08-27 | 天津市鑫仁科技有限公司 | High pressure seal continues temperature measurement photoelectronic sensor |
| CN203231816U (en) * | 2013-03-16 | 2013-10-09 | 江阴润源机械有限公司 | Cold-rolled steel working roll heat treatment temperature measuring device |
| CN104897284A (en) * | 2014-03-04 | 2015-09-09 | 中石化洛阳工程有限公司 | Temperature measurement device for hearth workpiece surface and temperature measurement method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19823832A1 (en) * | 1998-05-28 | 1999-12-09 | Heraeus Gmbh W C | Process for the production of composite pipes made of metal and composite pipe and its use |
-
2017
- 2017-04-25 CN CN201710274083.7A patent/CN106969837B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3605737A1 (en) * | 1986-02-22 | 1987-08-27 | Battelle Institut E V | Method and device for contactless temperature measurement |
| CN201107117Y (en) * | 2007-09-07 | 2008-08-27 | 天津市鑫仁科技有限公司 | High pressure seal continues temperature measurement photoelectronic sensor |
| CN203231816U (en) * | 2013-03-16 | 2013-10-09 | 江阴润源机械有限公司 | Cold-rolled steel working roll heat treatment temperature measuring device |
| CN104897284A (en) * | 2014-03-04 | 2015-09-09 | 中石化洛阳工程有限公司 | Temperature measurement device for hearth workpiece surface and temperature measurement method |
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| Publication number | Publication date |
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| CN106969837A (en) | 2017-07-21 |
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