CN200974111Y - Electrode type molten steel level stop - Google Patents
Electrode type molten steel level stop Download PDFInfo
- Publication number
- CN200974111Y CN200974111Y CN 200620047823 CN200620047823U CN200974111Y CN 200974111 Y CN200974111 Y CN 200974111Y CN 200620047823 CN200620047823 CN 200620047823 CN 200620047823 U CN200620047823 U CN 200620047823U CN 200974111 Y CN200974111 Y CN 200974111Y
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- electrode
- molten steel
- liquid level
- output wiring
- wiring terminal
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Abstract
The utility model relates to a liquid level retainer, in particular to an electrode type molten steel liquid level retainer which mainly solves the technical problems of high cost, needing defense, difficult position, weak anti-interference property, etc which exist in the present molten steel liquid level measuring device. The technical proposal of the utility model lies in that an electrode type molten steel liquid level retainer includes a detecting head and a digital displayed signal treatment opening control device; the detecting head includes a plurality of ceramic rods which are provided with different length and property of high-temperature resistance, a metal capsule, a transmitter and a signal cable; the ceramic rods provided with high-temperature resistance is fixed on the bottom surface of the metal capsule and equipped with high-temperature resistant electrode threads which constitute several electrodes, that is, an upper limiting electrode, a middle limiting electrode and a public electrode; the asbestos cloth is wrapped outside the metal capsule; the transmitter is connected with the electrode which is fixed on the metal capsule through the wire and connected with the digital displayed signal treatment opening control device through the signal cable. The utility model is suitable for detecting and controlling the steel liquid surface of the billet continuous casting crystallizer and the thin belt continuous casting crystallizing roller.
Description
Technical field: the utility model relates to a kind of liquid level stop, particularly a kind of electric pole type molten steel liquid level stop.
Background technology: be used for normally radioactive source (cobalt 60, caesium 137) of primary instrument that molten steel measures now, electromagnetic eddy liquid level gauge and thermocouple.The instrument that these several measuring transducers need dispose requires high, and the cost of signal processing control device is also big.The radioactive source safety coefficient is low, must carry out tight safety prevention measure, can operation, and the electromagnetic eddy liquid level gauge, the location is difficult, sensor is fragile, demarcating steps trouble, poor anti-interference.Adopt the measuring temp of molten steel instrument of radioactive source to comprise intelligent signal processing device, electronic cylinder, stopper, caesium source and photomultiplier, caesium source and photomultiplier are arranged on crystallizer surface.Adopt eddy current liquid level gauge measuring temp of molten steel instrument to comprise intelligent signal processing device, electronic cylinder, stopper, eddy current liquid level gauge, the eddy current liquid level gauge is arranged on the top of crystallizer.
The utility model content: the purpose of this utility model provides a kind of safe, reliable and practical, convenient, electric pole type molten steel liquid level stop cheaply, mainly solves cost height that existing molten steel liquid level measurement mechanism exists, needs protection and location difficulty, technical problems such as anti-interference difference.The technical solution of the utility model is: a kind of electric pole type molten steel liquid level stop, comprise detecting head and digital display signal processing opening control device, detecting head comprises many refractory ceramics rods different in size, can, transmitter and signal cable, the refractory ceramics rod is fixed on the can bottom surface, be provided with high temperature resistant wire electrode in the rod, constitute a plurality of electrodes, be respectively high spacing electrode, middle spacing electrode and public electrode, can outsourcing asbestos cloth, transmitter by lead be fixed on the can top electrode and be connected, transmitter is also handled opening control device by signal cable and digital display signal and is connected.Described high temperature resistant wire electrode is for having 2300 ℃ of dystectic tungsten-rhenium wires, transmitter has 2 input wires terminals and 3 output wiring terminals, first output wiring terminal connects high spacing electrode after connecting limit molten steel controlling resistance, first output wiring terminal connects middle spacing electrode after also connecing spacing calibration resistance of the different molten steel of resistance respectively, the 3rd output wiring terminal connects public electrode, middle output wiring terminal connects the output that connects first output wiring terminal behind the 95% full scale resistance, and middle output wiring terminal also connects the output of the 3rd output wiring terminal.
The beneficial effects of the utility model are: simple in structure, the location is convenient correct.Can survey 1500 ℃～1600 ℃ molten steel liquid levels.By adjusting calibration resistance, can also realize the detection and the control of stage construction molten steel liquid level.
Description of drawings:
Fig. 1 is the utility model sonde configuration schematic diagram
Fig. 2 is the utility model probe circuit schematic diagram
Fig. 3 is the utility model circuit system schematic diagram
Fig. 4 is used for the structural representation that book band continuous casting crystallization roller molten steel liquid level is measured and controlled
Among the figure: the 1-detecting head, 2-digital display signal is handled opening control device, 3-refractory ceramics rod, 4-can, 5-transmitter, 6-signal cable, the high temperature resistant wire electrode of 7-, 8-stopper, the electronic cylinder of 9-.
The specific embodiment: with reference to Fig. 1,2,3,4, a kind of electric pole type molten steel liquid level stop, comprise detecting head 1 and digital display signal processing opening control device 2, detecting head 1 comprises many refractory ceramics rods 3 different in size, can 4, transmitter 5 and signal cable 6, refractory ceramics rod 3 is fixed on can 4 bottom surfaces, be provided with high temperature resistant wire electrode 7 in the rod, constitute a plurality of electrodes, be respectively high spacing electrode, middle spacing electrode and public electrode, can outsourcing asbestos cloth, transmitter 5 by lead be fixed on the can top electrode and be connected, transmitter 5 is also handled opening control device 2 by signal cable and digital display signal and is connected.Described high temperature resistant wire electrode is for having 2300 ℃ of dystectic tungsten-rhenium wires, transmitter 5 has 2 input wires terminals and 3 output wiring terminals, first output wiring terminal connects high spacing electrode after connecting limit molten steel controlling resistance Rh, first output wiring terminal connects middle spacing electrode after also meeting spacing some calibration resistance R 1 of the different molten steel of resistance, R2, R3...Rn respectively, the 3rd output wiring terminal connects public electrode, and middle output wiring terminal connects 95% full scale resistance R
*After connect the output of first output wiring terminal, middle output wiring terminal also connects the output of the 3rd output wiring terminal.Transmitter 5 is SBWZ type 4～24mA24VDC transmitter, and the digital display signal is handled opening control device 2 and adopted the instrument electricity universal product, and R1, R2, spacing calibration resistance of R3----molten steel are respectively 604.36 Ω, 696.31 Ω, 9152..50 Ω, R
*Be 95% full scale resistance, 280.98 Ω, when carrying out measurement of book band continuous casting crystallization roller molten steel liquid level and control, molten steel sensor output 19mA signal when molten steel bumps the electric contact contact, this moment, stopper 8 was controlled at 95% of technological requirement by electronic cylinder 9 its apertures.Molten steel sensor output 16mA signal when molten steel bumps electric contact D contact, this moment, the stopper aperture was controlled at 80% of technological requirement.Molten steel sensor output 12mA signal when molten steel bumps electric contact E contact, this moment, the stopper aperture was controlled at 50% of technological requirement.Molten steel sensor output 7mA signal when molten steel bumps electric contact F contact, this moment, the stopper aperture was controlled at 20% of technological requirement.Molten steel sensor output 4mA signal when molten steel bumps electric contact H contact, this moment, the stopper aperture 0%, was in off state and effectively controlled molten steel and overflow, and prevented the generation of equipment and personal injury.Same the utility model also can be used for the continuous casting crystallizer for plate billet molten steel liquid level and measures and control.
Claims (3)
1, a kind of electric pole type molten steel liquid level stop, comprise detecting head and digital display signal processing opening control device, it is characterized in that, detecting head comprises many refractory ceramics rods different in size, can, transmitter and signal cable, the refractory ceramics rod is fixed on the can bottom surface, be provided with high temperature resistant wire electrode in the rod, constitute a plurality of electrodes, be respectively high spacing electrode, middle spacing electrode and public electrode, can outsourcing asbestos cloth, transmitter by lead be fixed on the can top electrode and be connected, transmitter is also handled opening control device by signal cable and digital display signal and is connected.
2, a kind of electric pole type molten steel liquid level stop according to claim 1, it is characterized in that, transmitter has 2 input wires terminals and 3 output wiring terminals, first output wiring terminal connects high spacing electrode after connecting limit molten steel controlling resistance, first output wiring terminal connects middle spacing electrode after also connecing spacing calibration resistance of the different molten steel of resistance respectively, the 3rd output wiring terminal connects public electrode, middle output wiring terminal connects the output that connects first output wiring terminal behind the 95% full scale resistance, and middle output wiring terminal also connects the output of the 3rd output wiring terminal.
3, a kind of electric pole type molten steel liquid level stop according to claim 1 is characterized in that, described high temperature resistant wire electrode is for having 2300 ℃ of dystectic tungsten-rhenium wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047823 CN200974111Y (en) | 2006-11-15 | 2006-11-15 | Electrode type molten steel level stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047823 CN200974111Y (en) | 2006-11-15 | 2006-11-15 | Electrode type molten steel level stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974111Y true CN200974111Y (en) | 2007-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620047823 Expired - Fee Related CN200974111Y (en) | 2006-11-15 | 2006-11-15 | Electrode type molten steel level stop |
Country Status (1)
| Country | Link |
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| CN (1) | CN200974111Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011103751A1 (en) * | 2010-02-26 | 2011-09-01 | 秦皇岛华电测控设备有限公司 | Electrode level sensor |
| CN102445714A (en) * | 2011-11-07 | 2012-05-09 | 天津市电视技术研究所 | Blocking rod detecting device |
| CN104833401A (en) * | 2015-02-03 | 2015-08-12 | 彩虹（合肥）液晶玻璃有限公司 | Liquid crystal glass platinum channel glass liquid level measuring device and measuring method |
| CN103308114B (en) * | 2013-06-06 | 2015-12-02 | 山东默锐科技有限公司 | The positive pole of liquid level emasuring device and sodium metal liquid level emasuring device |
| CN110160598A (en) * | 2019-07-05 | 2019-08-23 | 上海铸奇环保科技有限公司 | A kind of electrode-type liquid-level meter |
| CN110252973A (en) * | 2019-07-18 | 2019-09-20 | 苏雨 | A kind of continuous casting installation for casting crystallizer |
-
2006
- 2006-11-15 CN CN 200620047823 patent/CN200974111Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011103751A1 (en) * | 2010-02-26 | 2011-09-01 | 秦皇岛华电测控设备有限公司 | Electrode level sensor |
| CN102445714A (en) * | 2011-11-07 | 2012-05-09 | 天津市电视技术研究所 | Blocking rod detecting device |
| CN102445714B (en) * | 2011-11-07 | 2013-06-05 | 天津市电视技术研究所 | Blocking rod detecting device |
| CN103308114B (en) * | 2013-06-06 | 2015-12-02 | 山东默锐科技有限公司 | The positive pole of liquid level emasuring device and sodium metal liquid level emasuring device |
| CN104833401A (en) * | 2015-02-03 | 2015-08-12 | 彩虹（合肥）液晶玻璃有限公司 | Liquid crystal glass platinum channel glass liquid level measuring device and measuring method |
| CN110160598A (en) * | 2019-07-05 | 2019-08-23 | 上海铸奇环保科技有限公司 | A kind of electrode-type liquid-level meter |
| CN110252973A (en) * | 2019-07-18 | 2019-09-20 | 苏雨 | A kind of continuous casting installation for casting crystallizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20091215 |