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The endpoint carbon content is one of the most important target in BOF (Basic Oxygen Furnace) steelmaking production. In this study, a real time carbon content prediction method is proposed for second blow period. Firstly, the traditional time-based exponential decarburization model is translated into an oxygen-based exponential decarburization model. Then, a valid data driven method named case-based...
Oxygen volume is the most important control in BOF (Basic Oxygen Furnace) steelmaking production and the control accuracy affects the quality of liquid steel directly. In this study, a CBR (Case-based Reasoning) method is adopted to calculate the oxygen blowing volume in the second period of BOF steelmaking production. When retrieve the similar cases from the case base, a similarity reward and punish...
It had been U.S. Environmental Protection Agency(EPA) suggested the 16 polycyclic aromatic hydrocarbons(PAHs) must take priority of control due to potential harm to people's health. The extensive amount of data show the part of PAHs source from the utilization of the coal. During the coal conversion process, PAHs released may be divided into two categories according to their formation pathways. One...
The organic pollutants generated by the coal thermal processing, such as polycyclic aromatic hydrocarbons (PAHs), are highly carcinogenic, mutagenic and teratogenic, and have thus attracted widespread public attention. In this study, The formation and fate of PAHs during the coal pyrolysis under rapid heating conditions have been discussed. Experiments were performed using the PY-GC-MS (pyrolyzer-gas...
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