CALCULATION MODEL FOR THE CONCENTRATION OF SECONDARY METALLURGICAL EMISSIONS INTO THE ATMOSPHERE
https://doi.org/10.17073/0368-0797-2016-5-300-305
Abstract
The model for calculating the distribution of secondary gas emissions in the outer influence zone of metallurgical enterprises is proposed. The model is based on the principle of maximum danger. The main factors that determine the risk of exceeding the maximum allowable concentration of the secondary emissions are denoted. There are 4. the forming factor, the distribution emissions factor and the concentration shrinkage factors. Fundamental differences of calculation methods of primary and secondary gas emissions were shown. There was also defined that the formation of secondary emission occurs in the volume of air space in which the concentration of primary emission exceeds 5. its background concentration in the atmosphere. The analysis of the secondary emissions concentration as a function of the distance from OJSC “Magnitogorsk Iron and Steel Works” was built with the help of the spatially distributed source method. Graphs of the H2SO4 concentration depending on the distance from the source of the primary emission were built at different wind speeds. It has been found that the function of the concentration dependence on distance has a distinct maximum which value can be determined for any wind speed, knowing the average power of the primary emissions for a specific time period.
About the Authors
D. I. Orelkina
National University of Science and Technology “MISIS” (MISIS),
Moscow, Russia
Russian Federation
Russian Federation
Postgraduate of the Chair “Energy-efficient and Resource- saving Industrial Technologies”
A. L. Petelin
National University of Science and Technology “MISIS” (MISIS),
Moscow, Russia
Russian Federation
Russian Federation
Dr. Sci. (Phys.–Math.), Professor of the Chair “Energy- efficient and Resource-saving Industrial Technologies”
L. A. Polulyakh
National University of Science and Technology “MISIS” (MISIS),
Moscow, Russia
Russian Federation
Russian Federation
Assist. Professor of the Chair “Energy-efficient and Resource-saving Industrial Technologies”
G. S. Podgorodetskii
National University of Science and Technology “MISIS” (MISIS),
Moscow, Russia
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Assist. Professor, Head of the Chair “Energy-efficient and Resource-saving Industrial Technologies”
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Review
For citations:
Orelkina D.I., Petelin A.L., Polulyakh L.A., Podgorodetskii G.S. CALCULATION MODEL FOR THE CONCENTRATION OF SECONDARY METALLURGICAL EMISSIONS INTO THE ATMOSPHERE. Izvestiya. Ferrous Metallurgy. 2016;59(5):300-305. (In Russ.) https://doi.org/10.17073/0368-0797-2016-5-300-305
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