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- Title
Observation and analysis of fluidisation and flooding phenomena in lower blast furnace by model experiments.
- Authors
Fu, L. C.; Bi, X. G.; Xiong, W.; Zhou, G. F.
- Abstract
A study has been carried out on abnormal flow phenomenon in the lower blast furnace (BF) for the purpose of the determination of appropriate measures to realise higher productivity and higher pulverised coal injection rate. An experimental apparatus was erected and tests were conducted under simulated BF conditions. Observations of the flow behaviour of gas, liquid and solid particles at varied gas and liquid flowrates revealed that typically, flooding occurred only in the systems with large, heavy particles, whereas typically fluidisation took place only in the systems with very light particles. A diagram of gas flowrate at flooding point against that at fluidisation point was created based on the test results. A conclusion that it is flooding which could possibly occur in the lower BF could be reached by using this diagram.
- Subjects
PARTICLES; FURNACES; COAL; COAL gas; FLUIDIZATION
- Publication
Ironmaking & Steelmaking, 2008, Vol 35, Issue 6, p430
- ISSN
0301-9233
- Publication type
Article
- DOI
10.1179/174328108X271619