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| Titel: |
Pyrometric Particle Temperature Measurements in a Pressurized Fluidized Bed Gasification Reactor |
| Auteur: |
Joutsenoja, Timo Stenberg, Jari Hernberg, Rolf |
| Verschenen in: |
Combustion science and technology |
| Paginering: | Jaargang 121 (1996) nr. 1-6 pagina's 123-132 |
| Jaar: |
1996-12-01 |
| Inhoud: |
A fiberoptic pyrometric technique for the measurement of the temperature of a fuel particle in a fluidized bed reactor is presented. In the fiberoptic pyrometry the thermal radiation emitted by bed and fuel particles is collected and transmitted to a radiometric unit by an optical lightguide immersed into the reactor. The radiation intensity is measured on two narrow wavelength bands and temperatures of the bed and individual fuel particles are determined from these signals. Experimental results obtained in an industrial pressurized fluidized bed gasificalion pilot plant of 15 MW of thermal power are reported. The temperature of the fluidized bed was 1140-1215 K and the pressure in the reactor was 1.6-2 MPa. A large number of fuel particles both hotter and colder than the surrounding bed were clearly detected. For the hotter particles the temperature elevation with respect to the bed was typically 40-100 K. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 15 van 19 gevonden artikelen
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