CN114046891A - A high temperature sensor that can continuously and quickly measure the temperature of molten steel - Google Patents
A high temperature sensor that can continuously and quickly measure the temperature of molten steel Download PDFInfo
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- CN114046891A CN114046891A CN202111095654.3A CN202111095654A CN114046891A CN 114046891 A CN114046891 A CN 114046891A CN 202111095654 A CN202111095654 A CN 202111095654A CN 114046891 A CN114046891 A CN 114046891A
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- temperature
- molten steel
- detection probe
- continuously
- temperature sensor
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 239000000523 sample Substances 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical group [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
- G01K1/125—Protective devices, e.g. casings for preventing damage due to heat overloading for siderurgical use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
本发明提供了一种可以持续快速测量钢水温度的高温传感器，属于钢水检测技术领域，包括支撑部、测温部、导热介质以及检测探头，所述检测探头设置在所述支撑部一端，用于插入至钢水内部以对钢水温度进行采集，所述检测探头内部设有空腔，所述测温部以及所述导热介质均设置在所述空腔内部，所述导热介质用于将所述检测探头所采集的钢水温度传递至所述测温部，以对钢水温度进行检测。本发明实施例中，通过将检测探头探入至钢水中，钢水温度可传递至检测探头并由导热介质传递至测温部，进而实现钢水温度快速且持续检测。
The invention provides a high-temperature sensor capable of continuously and rapidly measuring the temperature of molten steel, belonging to the technical field of molten steel detection, comprising a support part, a temperature measurement part, a heat conducting medium and a detection probe, wherein the detection probe is arranged at one end of the support part and is used for Inserted into the molten steel to collect the temperature of the molten steel, the detection probe is provided with a cavity inside, the temperature measuring part and the heat conduction medium are all arranged inside the cavity, and the heat conduction medium is used to detect the temperature of the molten steel. The molten steel temperature collected by the probe is transmitted to the temperature measuring part to detect the molten steel temperature. In the embodiment of the present invention, by probing the detection probe into the molten steel, the temperature of the molten steel can be transmitted to the detection probe and transferred to the temperature measuring part by the heat conducting medium, thereby realizing the rapid and continuous detection of the molten steel temperature.
Description
Technical Field
The invention belongs to the technical field of molten steel detection, and particularly relates to a high-temperature sensor capable of continuously and rapidly measuring the temperature of molten steel.
Background
Under the non-vacuum smelting condition, the temperature of the molten steel cannot be accurately measured by an optical thermometer due to surface oxidation scum, and currently, only a disposable tungsten-rhenium wire probe is inserted into the molten steel to measure the temperature of the molten steel at one time within 2 to 3 seconds, but the measuring method cannot continuously monitor the temperature of the molten steel.
The high temperature sensor capable of measuring 1600-1800 deg.c has platinum-rhodium wire for measuring temperature and corundum ceramic pipe for protecting the platinum-rhodium wire. The sensor is used for continuously monitoring the high-temperature gas environment, but the response speed of the sensor is very slow, so that the response time of the sensor is ten minutes and several minutes, the external temperature can be transmitted to the internal platinum-rhodium wire for measurement, and the requirement of measuring the temperature of molten steel in smelting cannot be met.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an embodiment of the present invention provides a high temperature sensor capable of continuously and rapidly measuring the temperature of molten steel.
In order to solve the technical problems, the invention provides the following technical scheme:
a high-temperature sensor capable of continuously and rapidly measuring the temperature of molten steel comprises a supporting part, a temperature measuring part, a heat conducting medium and a detection probe,
the detection probe is arranged at one end of the supporting part and is used for being inserted into the molten steel to collect the temperature of the molten steel,
a cavity is arranged in the detection probe, the temperature measuring part and the heat conducting medium are both arranged in the cavity,
the heat conducting medium is used for transmitting the temperature of the molten steel collected by the detection probe to the temperature measuring part so as to detect the temperature of the molten steel.
As a further improvement of the invention: the detection probe is made of a boron nitride ceramic material, the outer diameter of the detection probe is 8mm, and the diameter of the cavity is 4 mm.
As a further improvement of the invention: the detection probe and the supporting part are in plug-in fit or threaded fit.
As a further improvement of the invention: the supporting part is a ceramic tube, the length of the supporting part is 400mm, and the outer diameter of the supporting part is 16 mm.
As a still further improvement of the invention: the heat-conducting medium is liquid aluminum.
As a still further improvement of the invention: the temperature measuring part is a tungsten-rhenium thermocouple wire.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the detection probe is inserted into the molten steel, so that the temperature of the molten steel can be transmitted to the detection probe and transmitted to the temperature measuring part by the heat-conducting medium, and the molten steel temperature can be rapidly and continuously detected.
Drawings
FIG. 1 is a schematic structural view of a high temperature sensor capable of continuously and rapidly measuring a temperature of molten steel;
in the figure: 1-supporting part, 2-temperature measuring part, 3-heat conducting medium and 4-detecting probe.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the present embodiment provides a high temperature sensor capable of continuously and rapidly measuring a temperature of molten steel, including a support portion 1, a temperature measuring portion 2, a heat conducting medium 3 and a detection probe 4, where the detection probe 4 is disposed at one end of the support portion 1 and is used to be inserted into molten steel to collect a temperature of molten steel, a cavity is disposed inside the detection probe 4, the temperature measuring portion 2 and the heat conducting medium 3 are both disposed inside the cavity, and the heat conducting medium 3 is used to transmit the temperature of molten steel collected by the detection probe 4 to the temperature measuring portion 2 to detect the temperature of molten steel.
By means of the detection probe 4 inserted into the molten steel, the temperature of the molten steel can be transmitted to the detection probe 4 and transmitted to the temperature measuring part 2 through the heat conducting medium 3, and therefore the temperature of the molten steel can be rapidly detected.
In one embodiment, the detection probe 4 is made of a boron nitride ceramic material, the outer diameter of the detection probe 4 is 8mm, the diameter of the cavity is 4mm, the detection probe 4 made of the boron nitride ceramic material has excellent heat conduction performance, the temperature of the molten steel can be rapidly transmitted to the heat conduction medium 3 and transmitted to the temperature measurement part 2 through the heat conduction medium 3, and the detection probe made of the boron nitride ceramic material can be ensured to be soaked in the molten steel for a long time without being damaged so as to continuously measure the temperature of the molten steel for a long time.
In one embodiment, the detecting probe 4 and the supporting portion 1 may be in a plug-in fit or a threaded fit, so as to realize a detachable connection between the detecting probe 4 and the supporting portion 1, so as to facilitate maintenance and replacement of the detecting probe 4.
In one embodiment, the support part 1 is a ceramic tube, and the length of the support part 1 is 400mm and the outer diameter is 16 mm.
In one embodiment, since the temperature of the molten steel is generally in the range of 1400 ℃ to 1800 ℃, the melting point of the heat conducting medium 3 should be lower than 1400 ℃, and the boiling point should be higher than 1800 ℃, the heat conducting medium 3 may be liquid aluminum, liquid silver, or liquid copper, and the like, and is preferably liquid aluminum, temperature conduction is realized through the liquid aluminum, so that the sensor can respond to the change of the external molten steel temperature within tens of seconds, so as to realize rapid and continuous temperature measurement of the molten steel, and at normal temperature, the liquid aluminum is in a solid structure in the inner cavity, and before temperature measurement of the molten steel, the sensor can be preheated to more than 800 ℃ so as to ensure that the aluminum in the inner cavity is in a liquid state.
In one embodiment, the temperature measuring portion 2 may be a tungsten-rhenium thermocouple wire, but may also be other structures capable of detecting the temperature of molten steel, and is not limited herein.
In the embodiment of the invention, the temperature of the molten steel can be transmitted to the detection probe 4 and transmitted to the temperature measuring part 2 by the heat-conducting medium 3 by inserting the detection probe 4 into the molten steel, so that the molten steel temperature can be rapidly and continuously detected.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095654.3A CN114046891A (en) | 2021-09-18 | 2021-09-18 | A high temperature sensor that can continuously and quickly measure the temperature of molten steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095654.3A CN114046891A (en) | 2021-09-18 | 2021-09-18 | A high temperature sensor that can continuously and quickly measure the temperature of molten steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114046891A true CN114046891A (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111095654.3A Pending CN114046891A (en) | 2021-09-18 | 2021-09-18 | A high temperature sensor that can continuously and quickly measure the temperature of molten steel |
Country Status (1)
| Country | Link |
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| CN (1) | CN114046891A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032199A (en) * | 2014-06-17 | 2014-09-10 | 北京依米康科技发展有限公司 | Low-melting-point liquid metal and preparation method and application thereof |
| CN105509921A (en) * | 2016-01-13 | 2016-04-20 | 洛阳西格马炉业股份有限公司 | Temperature sensor taking metal or alloy as temperature sensing probe and manufacture method and temperature correction method of temperature sensor |
| CN106222490A (en) * | 2016-07-21 | 2016-12-14 | 成都博盈复希科技有限公司 | A kind of liquid metal for conducting heat material |
| CN107131997A (en) * | 2017-06-23 | 2017-09-05 | 云南科威液态金属谷研发有限公司 | A kind of high-temp pressure sensor |
| CN207163585U (en) * | 2017-08-17 | 2018-03-30 | 深圳市益凯尔电子有限公司 | A kind of temperature probe suitable for food temperature meter |
-
2021
- 2021-09-18 CN CN202111095654.3A patent/CN114046891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032199A (en) * | 2014-06-17 | 2014-09-10 | 北京依米康科技发展有限公司 | Low-melting-point liquid metal and preparation method and application thereof |
| CN105509921A (en) * | 2016-01-13 | 2016-04-20 | 洛阳西格马炉业股份有限公司 | Temperature sensor taking metal or alloy as temperature sensing probe and manufacture method and temperature correction method of temperature sensor |
| CN106222490A (en) * | 2016-07-21 | 2016-12-14 | 成都博盈复希科技有限公司 | A kind of liquid metal for conducting heat material |
| CN107131997A (en) * | 2017-06-23 | 2017-09-05 | 云南科威液态金属谷研发有限公司 | A kind of high-temp pressure sensor |
| CN207163585U (en) * | 2017-08-17 | 2018-03-30 | 深圳市益凯尔电子有限公司 | A kind of temperature probe suitable for food temperature meter |
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Application publication date: 20220215 |