Abstract
To ignite a boiler, fuel oil is primarily used to pre-heat the combustion chamber of a furnace to its operating temperature, which consumes a large amount of oil, especially for igniting low-volatile coal. To save the oil, the plasma-chemical preparation and tiny-oil ignition technology are developed to ignite pulverized-coal. However, it is difficult to apply them to anthracite and lean coal. Therefore, this paper theoretically focused on the experiment of igniting low-volatile coal in a tiny- oil burner in oxygen-enriched conditions for developing an ignition technology to save fuel oil. The experimental results indicated that the ignition of low-volatile coal was achieved in a tiny- oil burner in oxygen-enriched conditions, and appropriate amounts of pure oxygen feeding into the burner could promote the burning-out of fuel oil and pulverized coal, which was beneficial to reducing black smoke from oil and saving fuel oil in ignition process.
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