Abstr鐘說act. Exhaust gas treatment device of 了知coal fired boiler has been upgraded w中爸ith ultra clean discharge&nb暗北sp;treatment technology, and the new些章 cyclone gas cap washing device i木務s applied in the second half喝麗 of the desulfurzing tower systm. Th銀器is new water scrubbing tray syst笑白em is composed with 路農water sprays, ceramic packing, cyclone gas cap and independ報劇ent water tank, which is proven b小友y field tests, has exceling effect on山話 exhaust gas treatment, and做雪 can decrease concentration of aerosol 件好in exhaust gas to be些行low 5mg/Nm³ which is lower than the state discharg數秒e standard.