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Title: Скорости выгорания органоводоугольных топлив из углей и отходов их обогащения
Other Titles: Burnout rates of fuel slurries containing petrochemicals, coals and coal processing waste
Authors: Шабардин, Дмитрий Павлович
metadata.dc.contributor.advisor: Стрижак, Павел Александрович
Keywords: выгорание; органоводоугольные топлива; угли; отходы; обогащение; скорость
Issue Date: 2019
Publisher: Изд-во ТПУ
Citation: Шабардин Д. П. Скорости выгорания органоводоугольных топлив из углей и отходов их обогащения / Д. П. Шабардин ; науч. рук. П. А. Стрижак // Перспективы развития фундаментальных наук : сборник научных трудов XVI Международной конференции студентов, аспирантов и молодых ученых, г. Томск, 23-26 апреля 2019 г. : в 7 т. — Томск : Изд-во ТПУ, 2019. — Т. 2 : Химия. — [С. 237-239].
Abstract: In this paper, we determined the conditions and characteristics of the nucleation of the combustion front and its spread over the surface of droplets of suspension fuels, their prepared coal and coal enrichment waste. Studies have been conducted on the example of single droplets of fuel suspensions placed in a model combustion chamber using a robotic mechanism. The main variable parameters: initial diameter of drops is 1-2 mm; component composition of the fuel. The influence of these parameters on main characteristic is established: burnout front propagation velocity (corresponds to the burnout rate of the fuel). It is shown that under the conditions studied, these characteristics may change several times. This result is very important, as it illustrates the wide possibilities of adapting fuel combustion systems to the required conditions and the fuel compositions used. The experiments made it possible to distinguish the dominant influence of the liquid combustible component on the burnout rate of the fuel slurry droplets. This characteristic of the process can change 2-3 times with the addition of even 15-25% of waste oil. From the dependencies obtained in the experiments performed, it was concluded that the burning rates of fuel suspensions prepared on the basis of different grades of coal and coal preparation and processing wastes are almost identical in adequate conditions. This result illustrates the feasibility of involving coal preparation wastes in the fuel and energy cycle.
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