FIELD: procedure of cleaning of boiler fire heating surfaces of ash and slime deposits, applicable in power branch of industry and other branches burning combustible materials of various kinds in chamber furnaces. SUBSTANCE: device is designed for water blasting of water-cooled heating surfaces by a water jet through the furnace. Long- distance (up to 25 m) and compact water jet is obtained due to the use of a special-contour nozzle and stabilization of water flow before it by means of a double-stage stabilizer. EFFECT: removal of deposit from furnace heating surfaces of high-power boilers. 2 cl, 3 dwg
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