CN201237573Y - Molten steel continuous carbometer for on-line gas analysis - Google Patents
Molten steel continuous carbometer for on-line gas analysis Download PDFInfo
- Publication number
- CN201237573Y CN201237573Y CNU200820004432XU CN200820004432U CN201237573Y CN 201237573 Y CN201237573 Y CN 201237573Y CN U200820004432X U CNU200820004432X U CN U200820004432XU CN 200820004432 U CN200820004432 U CN 200820004432U CN 201237573 Y CN201237573 Y CN 201237573Y
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- laser signal
- flue
- molten steel
- liquid steel
- sampling head
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Abstract
The utility model discloses a liquid steel continuous caranalyzer for gasometric analysis on line, which relates to continuous forecast of carbon content of converter liquid steel by means of gasometeric analysis, and consists of two parts of a laser signal generator 1 and a laser signal receiver 7; wherein, a sampling head 6 is arranged on the caranalyzer; the laser signal generator 1 and the laser signal receiver 7 are arrayed in a line and are plugged oppositely on a flue 9 of a converter flue gas system; the sampling head 6 and a pipeline 5 together constitute a laser and gas transmitting channel. The emissive signal is accepted by the laser signal receiver 7 after passing through the flue 9. The sampling head 6 is connected with a ball valve 3 out of the flue; the ball valve 3 is connected with the laser signal generator 1 through a flange 2 and the pipeline 5. The utility model can not be limited by the size of the furnace capacity and can directly realize continuous carbon setting of the liquid steel; the output signals contain information of carbon content of the liquid steel, temperature of the liquid steel and CO, CO2, and N2 in flue gas, etc.; besides, the caranalyzer is directly installed on the converter flue; the data analyzing speed is fast; the liquid steel continuous caranalyzer for gasometric analysis on line is characterized by simple and convenient maintenance, high equipment reliability, low failure rate and investment, and high precision of forecasting carbon content of liquid steel.
Description
Technical field
The utility model relates to pneumatic steelmaking water continuous carbon determination instrument, is specifically related to utilize the continuous forecast of flue gas analysis to the converter molten steel carbon content, is a kind of molten steel continuous carbon determination technology that is used for metallurgy industry.
Background technology
Pneumatic steelmaking is to raw materials such as molten iron that is blended into converter and steel scraps, by the continuous oxygen blown mode of oxygen rifle, constantly reduce carbon content and the process that promotes temperature in the raw material, can the smelting endpoint before converter tapping, the basis for estimation that directly tap be whether carbon content of molten steel and temperature satisfy target call; Therefore, can judge accurately that the endpoint molten steel carbon content is the key of pneumatic steelmaking, on-line continuous is decided carbon can improve the smelting endpoint hit rate, reduces and to re-blow and the number of times of the sampling of falling the stove, can shorten the heat effectively, and raising converter output reduces production costs.
At present, be used for converter molten steel and decide one of the main method of carbon and be the sampling of falling the stove, employing off-line analysis equipment is analyzed sample, measure the carbon content of steel sample, this method needs to fall processes such as stove, hand sampling, sample preparation and analysis, required time is long, and is loaded down with trivial details, influenced the throughput rate of converter; Carry out molten steel and decide the method two of carbon for adopting the sublance system, do not falling under the condition of stove, adopt sublance directly to insert the shore analysis result of taking a sample in the converter stove, analysis speed is very fast, but the sublance system can only be used in the above big converter of 200t, because fire door is too little, can't take a sample by the sublance system less than the converter below the 200t for heat size.The another kind of method of carrying out the converter molten steel continuous carbon determination is to adopt mass spectrometer to carry out the flue gas sample analysis, utilizing other utility appliance such as computing machine to set up model calculates, this system need take a sample, filter and process such as dehumidifying converter gas, therefore also needs huge sampling system and pretreatment system; In addition, independent spectrometer system can only the analytical gas component content, can not carry out the calculating of carbon.
Summary of the invention
In order to address the above problem, the molten steel continuous carbon determination instrument that the purpose of this invention is to provide a kind of online gas analysis, can not be subjected to the restriction of heat size size, do not need converter gas is taken a sample, do not need sampling system and pretreatment system yet, can directly realize the continuous carbon determination of molten steel, output signal is CO, CO in carbon content of molten steel, liquid steel temperature and the flue gas
2And N
2Deng out of Memory.
The technical scheme in the invention for solving the technical problem is:
The molten steel continuous carbon determination instrument of this online gas analysis comprises laser signal generator 1 and laser signal receiver 7 two parts, have sampling head 6 and pipeline 5 on it, wherein: the arrangement that is in line of laser signal generator 1 and laser signal receiver 7, on the flue 9 that is inserted in the converter gas system, sampling head 6 constitutes laser and gas delivery passage with pipeline 5.
Data-interface 4 can by RS485 RS232 data connected mode such as GPRS and other output and input equipment carry out data communication.
Owing to adopted above-mentioned technical scheme, the beneficial effect that the utility model had is:
The utility model molten steel continuous carbon determination instrument can not be subjected to the restriction of heat size size, can directly realize the continuous carbon determination of molten steel, and output signal is CO, CO in carbon content of molten steel, liquid steel temperature and the flue gas
2And N
2Deng out of Memory; And this analysis instrument does not need converter gas is taken a sample, and does not need sampling system and pretreatment system, is directly installed on the converter flue, and it is fast to analyze data speed, and the reaction time was less than 1 second, and is faster than mass spectrometric analysis speed; And it is simple and convenient that this equipment has maintenance, the equipment dependability height, and failure rate is low, investment is low, and to characteristics such as carbon content of molten steel forecast precision height.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
In Fig. 1: 1 laser signal generator; 2 laser signal receivers; 3 ball valves; 4 data-interfaces; 5 pipelines; 6 sampling heads; 7 laser signal receivers; 8 power interfaces; 9 flues.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
See Fig. 1: the molten steel continuous carbon determination instrument of online gas analysis comprises laser signal generator 1 and laser signal receiver 7 two parts, have sampling head 6 on it, wherein: the arrangement that is in line of laser signal generator 1 and laser signal receiver 7, on the flue 9 that is inserted in the converter gas system, sampling head 6 constitutes laser and gas delivery passage with pipeline 5.
Data-interface 4 can by RS485 RS232 data connected mode such as GPRS and other output and input equipment carry out data communication.
Claims (5)
1. the molten steel continuous carbon determination instrument of an online gas analysis comprises laser signal generator (1) and laser signal receiver (7) two parts, have sampling head (6) and pipeline (5) on it, it is characterized in that: the arrangement that is in line of laser signal generator (1) and laser signal receiver (7), on the flue (9) that is inserted in the converter gas system, sampling head (6) constitutes laser and gas delivery passage with pipeline (5).
2. according to the molten steel continuous carbon determination instrument of the described online gas analysis of claim 1, it is characterized in that: sampling head (6) be located at flue (9) inside, institute's emitted laser signal passes flue (9) and is accepted by laser signal receiver (7).
3. according to the molten steel continuous carbon determination instrument of the described online gas analysis of claim 1, it is characterized in that: sampling head (6) links to each other with ball valve (3) outside flue, ball valve (3) is connected laser signal generator (1) by flange (2) with pipeline (5), and laser signal receiver (7) also adopts identical connection.
4. according to the molten steel continuous carbon determination instrument of the described online gas analysis of claim 1, it is characterized in that: data-interface (4) can by RS485 RS232 data connected mode such as GPRS and other output and input equipment carry out data communication.
5. according to the molten steel continuous carbon determination instrument of the described online gas analysis of claim 1, it is characterized in that: power supply input (8) is the input power supply of equipment, optional 24VDC or 220VAC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820004432XU CN201237573Y (en) | 2008-01-31 | 2008-01-31 | Molten steel continuous carbometer for on-line gas analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820004432XU CN201237573Y (en) | 2008-01-31 | 2008-01-31 | Molten steel continuous carbometer for on-line gas analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237573Y true CN201237573Y (en) | 2009-05-13 |
Family
ID=40650306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820004432XU Expired - Fee Related CN201237573Y (en) | 2008-01-31 | 2008-01-31 | Molten steel continuous carbometer for on-line gas analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237573Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845531A (en) * | 2010-05-07 | 2010-09-29 | 北京首钢自动化信息技术有限公司 | Converter smelting endpoint molten steel carbon and temperature control system and method thereof |
| CN102288557A (en) * | 2011-04-30 | 2011-12-21 | 聚光科技(杭州)股份有限公司 | Optical analyzing equipment and method for fluid |
| CN103439452A (en) * | 2013-08-15 | 2013-12-11 | 莱芜钢铁集团有限公司 | Real-time, online and quick measurement method of carbon content in molten steel during converter steelmaking |
| CN113009103A (en) * | 2019-12-19 | 2021-06-22 | 上海梅山钢铁股份有限公司 | On-line calculation method for carbon content of converter mouth |
-
2008
- 2008-01-31 CN CNU200820004432XU patent/CN201237573Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845531A (en) * | 2010-05-07 | 2010-09-29 | 北京首钢自动化信息技术有限公司 | Converter smelting endpoint molten steel carbon and temperature control system and method thereof |
| CN101845531B (en) * | 2010-05-07 | 2011-11-02 | 河北省首钢迁安钢铁有限责任公司 | Converter smelting endpoint molten steel carbon and temperature control system and method thereof |
| CN102288557A (en) * | 2011-04-30 | 2011-12-21 | 聚光科技(杭州)股份有限公司 | Optical analyzing equipment and method for fluid |
| CN102288557B (en) * | 2011-04-30 | 2014-01-01 | 聚光科技(杭州)股份有限公司 | Optical analyzing equipment and method for fluid |
| CN103439452A (en) * | 2013-08-15 | 2013-12-11 | 莱芜钢铁集团有限公司 | Real-time, online and quick measurement method of carbon content in molten steel during converter steelmaking |
| CN103439452B (en) * | 2013-08-15 | 2016-02-17 | 莱芜钢铁集团有限公司 | A kind of method of real-time online Fast Measurement molten steel carbon in pneumatic steelmaking |
| CN113009103A (en) * | 2019-12-19 | 2021-06-22 | 上海梅山钢铁股份有限公司 | On-line calculation method for carbon content of converter mouth |
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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: 20090513 Termination date: 20100131 |