WATER SPRAYER IN UNDER-GRATE ZONE OF POWER BOILER THAT USES BROWN COAL

摘要

A water sprayer in the under-grate zone of a power boiler fired with brown coal placed in blast draught pipe, made of diffusers forming a Venturi tube with an inside tube with water, characterised in that before the Venturi tube, controlled rotationally at the distance of the pipe's (5) diameter is mounted a waste gate (6), and after the diffuser (7) in the axis of the pipe (9) is set a temperature sensor (3) electrically connected to a water amount regulation device (2).<IMAGE>