Ignition of Water Coal Particles Coated with a Waterfilm in the Stream of High-Temperature Environment

Semen Syrodoy,Ksenia Bugaeva,Roman Taburchinov,Nadezhda Gutareva,P.A Strizhak,G.V Kuznetsov,A.O Zhdanova,V.E Gubin

doi:10.1051/matecconf/20153701055

Semen Syrodoy, Ksenia Bugaeva + Show 6 more

Open Access

https://doi.org/10.1051/matecconf/20153701055

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Abstract

The characteristics and conditions of the ignition of coal-water fuel droplets (WCF) in a surface coating with a thin layer of water last film have been determined experimentally. A significant impact on the dynamics of the water layer of the thermal preparation and ignition of the fuel particles has been established. It has been shown that the time of evaporation of water of the surface layer can take up to 50% of all of the induction period. The latter indicates the need to consider the existence of the surface of the film during the process modeling of ignition of coal-water particles.

Highlights

At present, renewable energy sources have been widely used such as wind power stations [1] or solar photovoltaic cells [2]
It is worth noting that the efficiency of power generation renewable energy at the moment of time is low (
It should be noted that the mathematical and physical description of the complex basic physical and chemical processes of heat and mass transfer thermal preparation and ignition occurring in the intensive heating is an actual task

Summary

Introduction

Renewable energy sources have been widely used such as wind power stations [1] or solar photovoltaic cells [2]. The application of such technologies is very limited due to the need to ensure long-term power plant power source (sunlight or constant wind). The latter is feasible only in certain and not large (square) areas of the world [3]. Experimental studies of ignition and burning WCF particles whose surface is covered with a water film is very complex due to the need for placement of funds in high-speed video fixation conditions the combustion chamber of the boiler unit. The purpose ― experimental study of physical and chemical processes of heat and mass transfer occurring during thermal preparation and ignition WCF particles coated with a thin layer of water

The methods of the experiment

Results experimental research

Conclusion