FIELD: power engineering. SUBSTANCE: lighting up coal dust flame is effected through generation of low-temperature plasma jet by means of plasma generators mounted in muffles of pulverized-coal burners of lower tier of power-generating boiler, feeding the coal dust mixture through low-temperature plasma jet and igniting it. After stabilization of burning of coal dust flame and attaining of required conditions, plasma generators are disconnected. Depending on the type of boiler unit, procedure of dust preparation and characteristics of fuel, number of pulverized-coal burners (n) equipped with plasma generators and muffles may be within n+1-m, where m is number of plasma generators in their. EFFECT: enhanced reliability. 2 dwg
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