热电厂5#炉炉膛灭火保护动作原因的分析

Analysis on the reason of fire-extinguishing protection of the chamber of No.5 stove in Heat Power Factory

针对炉膛灭火保护装置动作 ,并伴有给粉机、排粉机电源跑闸 ,燃油电磁阀门关闭现象 ,设计了炉膛灭火保护装置动作后 ,发出切除给粉机电源、排粉机电源和关闭燃油总电磁阀的连锁信号。

Direct to the phenomena that the stove chamber protective device acting,the powder-feeder and draught-engine power cutting off,the fuel-oil electromagnetic breaking,the continuous signals are desingned.When the fire-extinguishing protective device of the stove chamber work,the signal of cutting of the powder-feeder and draught engine power and fuel-oil electromagetic valve will be send out.