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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xinguang Liu Haitao Gu Dahai Yu Jian Wang |
| Copyright Year | 2011 |
| Description | Author affiliation: Research Center, Focused Photonics (Hangzhou) Inc, China (Dahai Yu; Jian Wang) || Electronic Information College, Hangzhou Dianzi University, China (Xinguang Liu; Haitao Gu) |
| Abstract | The gas concentration of iron making process in blast furnace, such as CO, CO2 and O2, is very important to the energy usage efficiency and production safety, and the explosion will happen when the proportion of these gases concentration reaches the explosion limits, so we have to monitor the gas concentration on-line continuously to enhance the process reliability and safety. Here a gas analyzer based on the diode laser absorption spectroscopy technology was introduced, including the measurement principle and system configuration. Take the oxygen measurement as an example, the field data show that the response time of laser gas analyzer is less than one second and can meet the industry's real time measuring and controlling requirements, and the alarm signal can trigger the feedback control actions in time to prevent gas explosion when the oxygen concentration increases too high by filling nitrogen as diluent gas. The application result proves that the laser gas analyzer based on the Diode Laser Absorption Spectroscopy can meet the requirements of safety monitoring and feedback control of process in BF. |
| Starting Page | 523 |
| Ending Page | 526 |
| File Size | 857341 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457712296 |
| e-ISBN | 9781457712326 |
| DOI | 10.1109/ICQR2MSE.2011.5976667 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-06-17 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Safety monitoring Absorption Semiconductor lasers Blast furnace Explosive gas concentration Measurement by laser beam Laser gas analyzer Harmonic analysis Iron Diode lasers Gas lasers |
| Content Type | Text |
| Resource Type | Article |
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