Research of parameters of bulk solids processing by surface-active substance for air dedusting

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Authors:

 

Yu.V. Pitsyk, Oles Honchar Dnipropetrovsk National University, Assistant Lecturer of the Department of Safety of Vital Activity, Dnipropetrovsk, Ukraine

A.G. Shishatskyi, Cand. Sci. (Tech.), Senior Research Fellow, Oles Honchar Dnipropetrovsk National University, Senior Lecturer of the Department of Safety of Vital Activity, Dnipropetrovsk, Ukraine

Abstract:

 

Purpose. To optimize the parameters of application of surface-active substance water solution to reduce dust emission into the atmospheric air.

 

Methodology. For making an analysis, theoretical and experimental methods were used, namely analysis of the methods currently implemented in the studies of the target of the research, physical simulation, methods of mathematical statistics, approbation in industrial conditions.

 

Findings. Laboratory bench for determination of adhesive force in processing of bulk solids by surface-active substance solutions has been developed. We have shown that magnitude of adhesive force, i.e. ‘adhesion’ of bulk solids, depends on the discharge intensity of surface-active substance, the availability of clear optimum of this discharge has been found out. The experimental investigation at the laboratory bench has shown that for the sinter burden selected at the sintering plants of PJSC “ArselorMittal Kryvyi Rih”, the optimal discharge values were 70–80 gram/ton. These data were confirmed by the results of investigation of suspended materials concentration in sintering gas during sintering at the standard laboratory bench and directly at the sintering plant of the mentioned enterprise. The method is recommended for characterization of air dust elimination by means of surface-active substance water solution. Dust dilution in the process of sintering plant activity improves environmental safety of industrial regions with advanced metallurgical and mineral resource industry.

 

Originality. The method of work of adhesion on the laboratory bench has been developed. The optimal parameters of bulk solids processing by surface-active substance water solution have been determined.

 

Practical value. We suggest implementation of the research results as methodical basis for determination of parameters, selection of means and methods, technology and tools development of air dust elimination during production, utilisation and processing of bulk solids. 

 

References:

 

 

1. Снижение выбросов пыли при производстве агломерата / С.П. Фомин, В.Т. Агапова, А.Г. Шиша­цкий [и др.] // Екологічні проблеми гірничо-металургійного комплексу України за умов формування принципів збалансованого розвитку. Матеріали науково-практичної конференції. – К.: Центр екологічної освіти та інформації, 2008. – С. 215–220.

 

Fomin, S.P., Agapova, V.T., Shishatskyi, A.G., Petliak, O.G. and Pitsyk, Yu.V. (2008), “Decreasing dust emission from sinter”, Proc. of theoretical and practical conferenceEkologichni problemy girnycho-metalurgiinogo kompleksu Ukrainy za umov formuvannia pryntsypiv zbalansovanogo rozvytku [Ecological problems of mining and smelting branch under conditions of forming principles of balanced development.], Kyiv, 2008, pp. 215–220.

 

2. Металлургическая и горнорудная промышленность. – 1995. – № 1. – С. 86–89.

 

Teverovskiy, B.Z, Sheludko I.B., Demush S.G. and Yatsenko, V.Ye. (1995), “Fundamental direction of community air protection from emission of harmful substance by sintering plants in Ukraine”, Metallurgicheskaia i gornorudnaia promyshlennost, no.1, pp. 86–89.

 

 

3. Ширяева Н.И. Определение краевого угла, поверхностного натяжения и работы адгезии по параметрам лежащей капли, наблюдаемой сверху с помощью микроскопа / Н.И. Ширяева, В.К. Гера­симов, Г.П. Вяткин // Коллоидный журнал. – 1995. – № 5. – С.764–768.

 

Shiryaeva, N.I., Gerasimov V.K. and Vyatkin, G.P. (1995), “Determination of the contact angle, surface tension, and work of adhesion from the top-view parameters of sessile drop observed in a microscope”, Kolloidny Zhurnal, no.5, pp. 764–768.

 

 

4. Пицык Ю.В. Пути повышения экологической безопасности в зоне влияния агломерационного производства / Ю.В. Пицык, А.Г. Шишацкий, В.Т. Агапова // Металлургическая и горнорудная промышленность. – 2012. – № 5. – С. 97–99.

 

Pitsyk, Yu.V., Shishatskiy, A.G. and Agapova, V.T. (2012),Ways of improvement ecological safety in the affected zone of the agglomeration production”, Metallurgicheskaia i gornorudnaia promyshlennost, no.5, pp. 97–99

 

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ISSN (print) 2071-2227,
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