CN2729672Y - Apparatus for measuring temp. of high-temp liquid - Google Patents
Apparatus for measuring temp. of high-temp liquid Download PDFInfo
- Publication number
- CN2729672Y CN2729672Y CN 200420091363 CN200420091363U CN2729672Y CN 2729672 Y CN2729672 Y CN 2729672Y CN 200420091363 CN200420091363 CN 200420091363 CN 200420091363 U CN200420091363 U CN 200420091363U CN 2729672 Y CN2729672 Y CN 2729672Y
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- tube
- outer protection
- protection tube
- temperature
- optical lens
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Abstract
The utility model discloses an apparatus for measuring temperature of high-temp liquid, in particular to an apparatus which can measure the temperature for the melted metal in the metal smelting process. The technical proposal is that the constitutions of the apparatus comprise an outer protection tube (11), a sight tube (10), an optical lens (7), optical fibers (6) and a photoelectric sensor (2). One end of the outer protection tube (11) is open, and the other end is close. One end of the sight tube (10) is open (13), and the other end is connected with the optical lens (7). The open end of the sight tube (10) extends to enter in the outer protection tube (11) from the open end of the outer protection tube, and the output end of the optical lens (7) can transmit out the light signals by multi-bundle of optical fibers (6). The output ends of the optical fibers (6) are connected with the photoelectric sensor (2). When the user measures the temperature for the high temperature liquid (12), the outer protection tube and the inside sight tube are inserted in the high-temperature liquid, and the sight tube can transmit the light waves to the optical lens on the top end of the sight tube. The gathered light signals can be transmitted to the photoelectric sensor by multi-bundle of optical fibers, and the signals can be displayed by an intelligent instrument. The utility model has the advantages of quick response speed, accurate temperature measurement, low cost, etc. The utility model can ensure the precision of the temperature measurement, and the sensor has extremely strong interference resistance for the flue gas and the dust.
Description
Affiliated technical field:
The utility model relates to a kind of high-temp liquid temperature measuring equipment, particularly the metal of melting is carried out the device of thermometric in the metal smelt process.
Background technology:
In the metal smelt process, need carry out thermometric to the metal of melting, with the various parameters in the adjusting process process, guarantee to smelt qualified metal material.In the smelting process, generally use disposable quick temperature measurement method at present, promptly adopt the disposable thermal galvanic couple, the temperature probe that will have platinum rhodium thermocouple inserts in the motlten metal, after thermometric finished, sensor generally can only use once owing to the effect that is subjected to high-temperature metal damages.Chinese patent CN1333455A discloses " a kind of continuous measurement of molten steel temperature method and temperature tube ".The temp measuring method of this patent disclosure is: a temperature tube is provided, and this temperature tube is a complex pipe, and inside and outside two sleeve pipes all are end openings, end sealing; The blind end of described temperature tube is inserted in the molten steel, and the length of insertion is equal to or greater than 15 with the ratio of the internal diameter of described temperature tube, with the ratio of the external diameter of described temperature tube greater than 3; The other end of described temperature tube is linked to each other with temperature measurer; By described temperature measurer described temperature tube is inserted the heat radiation of sending the inner sleeve end in the molten steel and analyze, thereby calculate the temperature of molten steel.This patent has the following disadvantages: 1. because temperature tube adopts the inside and outside double-deck complex pipe, there is a space in interior pipe or packing material is arranged with outer tube, heat conducts to inner tube wall by outer tube wall needs the long period, and the thermometric lag time is further increased, and temperature measurement accuracy continues to descend.2. because the temperature tube outer tube all adopts same material (AL
2O
3, C, Zr etc. potpourri) make, the outer tube cost is significantly improved; In addition, because this material thermal conductivity poor (its temperature conductivity is 28.89W/mK), heat conducts to the inwall time by the pipe outer wall to be increased greatly, and the thermometric response time of temperature tube is lagged behind, and has a strong impact on temperature measurement accuracy.3. because this patent adopts blackbody cavity principle thermometric, the former degree of depth that the structure and the temperature tube of temperature tube are inserted in the molten steel has been made certain qualification, in the practical process of reality, when the molten steel height has fluctuation big (particularly liquid steel level is lower), be difficult to satisfy request for utilization, and this moment is inaccurate as if thermometric, is easy to take place the bleed-out accident, brings to production to have a strong impact on.The actual proof of using, when liquid steel level was low, temperature measurement error was at 15-20 ℃.4. because this patent adopts blackbody cavity principle thermometric, flue gas and dust are very big to the measuring accuracy influence.5. because inside and outside outer protection tube adopts integral structure, be disposable use, so customer using cost improves greatly, every price is more than 1000.
The utility model content:
The utility model purpose provides a kind of high-temp liquid temperature measuring equipment, and response speed is fast, thermometric is accurate, cost is low, solves the problems referred to above that exist in the background technology.
The technical solution of the utility model is: the high-temp liquid temperature measuring equipment is made up of outer protection tube, sighting tube, optical lens, optical fiber, photoelectric sensor; outer protection tube one end is opening, end sealing; sighting tube one end opening, the other end are connected with optical lens; the openend of sighting tube is stretched into by the openend of outer protection tube; enter in the outer protection tube; the optical lens output terminal spreads out of light signal by multiple beams of optical fiber, and is connected with photoelectric sensor.
Said photoelectric sensor comprises that dual-band infrared photoelectric colorimetry sensor, miniature CCD videotape first-class.
Outer protection tube can be an integral body, is made by commaterial; Also can be to combine by the pipeline section that two sections different materials are made; the part that outer protection tube inserts high-temp liquid inside adopt with metal heat-conducting near and erosion-resistant material (as carbofrax material or cermet material; the temperature conductivity of silit is 55.68W/mK) formation anti-erosion section; the bottom of outer protection tube adopts Heat Conduction Material to constitute the heat conduction section; promptly outer protection tube is combined by anti-erosion section and heat conduction section; fixedly connected between anti-erosion section and the heat conduction section; so both improved the accuracy of thermometric; improve the serviceable life of outer protection tube again, reduce cost.
Outer protection tube can be fixedlyed connected with sighting tube, constitutes an integral body; Also can adopt plug to connect, sighting tube is inserted in the outer protection tube, after damaging appears in outer protection tube, if sighting tube does not damage, only needs sighting tube is extracted in the protection tube outside, and the outer protection tube that more renews, sighting tube can continue to use, and reduce cost.
When adopting the utility model that high-temp liquid is carried out thermometric; the sighting tube of outer protection tube and the inside inserts in the high-temp liquid; the thermometric surface temperature of its bottom is identical with the temperature of high-temp liquid of outside; and outside radiation light-wave; sighting tube passes to light wave to the optical lens on sighting tube top; and light signal is assembled by optical system; luminous energy is concentrated; and the light signal of assembling is conducted on the photoelectric colorimetry sensor by multiple beams of optical fiber; the photoelectric colorimetry sensor carries out filtering and beam split to light signal; and the infrared light of two different wave lengths delivered to two photoelectric cells; light signal is converted to electric signal, by signal cable two electric signal is sent into intelligence instrument, known intelligence instrument is changed it; analyze and calculate; try to achieve actual temperature, and show.
The utility model is compared with background technology, has the following advantages: 1. owing to adopt single outer protection tube structure, the thermometric response speed was less than 15 seconds, and present product is more than 30 seconds; 2. owing to adopt photoelectric sensor, temperature measurement accuracy is not subjected to the influence of molten steel height change; 3. owing to adopt photoelectric sensor, in the Infrared Transmission process, energy loss is not more than at 95% o'clock, all can guarantee temperature measurement accuracy, and therefore, the interference of anti-flue gas of sensor and dust is extremely strong.
Description of drawings:
Accompanying drawing is the utility model example structure synoptic diagram.
Among the figure: connecting pipe 1, photoelectric colorimetry sensor 2, signal cable 3, intelligence instrument 4, ventilation metal hose 5, optical fiber 6, optical lens 7, coupling arrangement 8, connecting hole 9, sighting tube 10, outer protection tube 11, metal liquid 12, sighting tube bottom end opening 13, heat conduction section 14, thermometric face 15
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
In an embodiment, the utility model is formed compositions such as comprising outer protection tube 11, sighting tube 10, optical lens 7, optical fiber 6, photoelectric colorimetry sensor 2, intelligence instrument 4, signal cable 3, ventilation metal hose 5.Outer protection tube 11 1 end openings, end sealing, sighting tube 10 1 end openings, the other end are connected with optical lens 7, the openend of sighting tube is stretched into by the openend of outer protection tube, enter in the outer protection tube, adopt plug to be connected between outer protection tube 11 and the sighting tube 10, sighting tube 10 is inserted in the outer protection tube; Optical lens 7 output terminals spread out of light signal by multiple beams of optical fiber 6, and optical fiber 6 output terminals are connected with dual-band infrared photoelectric colorimetry sensor 2, and dual-band infrared photoelectric colorimetry sensor 2 is connected with intelligence instrument 4 by signal cable 3; Outer protection tube is combined by anti-erosion section 11 and heat conduction section 14, and is fixedly connected between anti-erosion section 11 and the heat conduction section 14.When high-temp liquid 12 was carried out thermometric, outer protection tube 11 inserted in the high-temp liquid, and sighting tube is inserted outer protection tube 11 top connecting holes 9 by Quick Connect Kit 8.After outer protection tube 11 inserts high-temp liquid; the heat conduction section 14 that the Heat Conduction Material of its bottom is made is by the high-temp liquid heating and reach thermal equilibrium rapidly; make the temperature of its thermometric face 15 identical with the temperature of high-temp liquid of outside; and outside radiation light-wave; the bottom end opening 13 of sighting tube 10 passes to light wave to the optical lens 7 on sighting tube top; and light signal is assembled by optical system; luminous energy is concentrated; and the light signal of assembling is conducted on the photoelectric colorimetry sensor 2 by multiple beams of optical fiber; 2 pairs of light signals of photoelectric colorimetry sensor carry out filtering and beam split; and the infrared light of two different wave lengths delivered to two photoelectric cells; light signal is converted to electric signal, by signal cable 3 two electric signal is sent into intelligence instrument, intelligence instrument 4 is changed it; analyze and calculate; try to achieve actual temperature, and show.In use, damage for preventing camera lens, the coupling arrangement 8 of sighting tube 10 is provided with metal hose 5 and connecting pipe 1, gives to optical lens 7 by connecting pipe 1 and metal hose 5 and sends into the low discharge refrigerating gas.
Claims (6)
1, a kind of high-temp liquid temperature measuring equipment; it is characterized in that forming and comprise outer protection tube (11), sighting tube (10), optical lens (7), optical fiber (6) and photoelectric sensor (2); outer protection tube (11) one end openings, end sealing; sighting tube (10) one ends are that opening (13), the other end are connected with optical lens (7); the openend of sighting tube (10) is stretched into by the openend of outer protection tube; enter in the outer protection tube (11); optical lens (7) output terminal spreads out of light signal by multiple beams of optical fiber (6), and optical fiber (6) output terminal is connected with photoelectric sensor (2).
2, the high-temp liquid temperature measuring equipment according to claim 1 is characterized in that adopting plug to be connected between said outer protection tube (11) and the sighting tube (10), and sighting tube (10) is inserted in the outer protection tube.
3, according to claim 1 or 2 described high-temp liquid temperature measuring equipments, it is characterized in that said outer protection tube is combined by anti-erosion section (11) and heat conduction section (14), fixedly connected between anti-erosion section (11) and the heat conduction section (14).
4, according to claim 1 or 2 described high-temp liquid temperature measuring equipments, the coupling arrangement (8) that it is characterized in that described sighting tube (10) is provided with metal hose (5) and connecting pipe (1), gives to optical lens (7) by connecting pipe (1) and metal hose (5) and sends into the low discharge refrigerating gas.
5,, it is characterized in that dual-band infrared photoelectric colorimetry sensor (2) is connected with intelligence instrument (4) by signal cable (3) according to claim 1 or 2 described high-temp liquid temperature measuring equipments.
6,, it is characterized in that said photoelectric sensor comprises dual-band infrared photoelectric colorimetry sensor or miniature CCD stylus according to claim 1 or 2 described high-temp liquid temperature measuring equipments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091363 CN2729672Y (en) | 2004-09-14 | 2004-09-14 | Apparatus for measuring temp. of high-temp liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091363 CN2729672Y (en) | 2004-09-14 | 2004-09-14 | Apparatus for measuring temp. of high-temp liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729672Y true CN2729672Y (en) | 2005-09-28 |
Family
ID=35048448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420091363 Expired - Fee Related CN2729672Y (en) | 2004-09-14 | 2004-09-14 | Apparatus for measuring temp. of high-temp liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729672Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908601B (en) * | 2006-08-10 | 2010-12-29 | 聚光科技(杭州)股份有限公司 | Method and equipment for continuously measuring temperature of high-temp liquid |
| CN107228713A (en) * | 2016-03-25 | 2017-10-03 | 郑州海威光电科技有限公司 | The fault monitoring device and monitoring method of a kind of generator carbon brush |
| CN108303183A (en) * | 2018-04-11 | 2018-07-20 | 中国电子科技集团公司第三十四研究所 | Proximity wide broadband radiation pyrometer |
| WO2019000402A1 (en) * | 2017-06-30 | 2019-01-03 | 沈阳泰合蔚蓝科技股份有限公司 | Temperature measurement device and temperature measurement method for measuring temperature of molten metal |
-
2004
- 2004-09-14 CN CN 200420091363 patent/CN2729672Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908601B (en) * | 2006-08-10 | 2010-12-29 | 聚光科技(杭州)股份有限公司 | Method and equipment for continuously measuring temperature of high-temp liquid |
| CN107228713A (en) * | 2016-03-25 | 2017-10-03 | 郑州海威光电科技有限公司 | The fault monitoring device and monitoring method of a kind of generator carbon brush |
| WO2019000402A1 (en) * | 2017-06-30 | 2019-01-03 | 沈阳泰合蔚蓝科技股份有限公司 | Temperature measurement device and temperature measurement method for measuring temperature of molten metal |
| RU2722479C1 (en) * | 2017-06-30 | 2020-06-01 | Шэньян Тако Блю-Тек Ко., Лтд. | Device for measuring temperature and method of measuring temperature of molten metal |
| US11536611B2 (en) | 2017-06-30 | 2022-12-27 | Shenyang Taco Blue-Tech Co., Ltd. | Temperature measuring device and temperature measuring method for measuring temperature of molten metals |
| CN108303183A (en) * | 2018-04-11 | 2018-07-20 | 中国电子科技集团公司第三十四研究所 | Proximity wide broadband radiation pyrometer |
| CN108303183B (en) * | 2018-04-11 | 2023-06-20 | 中国电子科技集团公司第三十四研究所 | Proximity broadband optical pyrometer |
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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 |