Analysis and solution of vibration of coal mill induced draft fan

TechnologyBy allen02/16/20213 Comments

01 Fault Analysis The model of coal mill induced draft fan of a company is W4-73-15NO19F, the air volume is 100000m³/h, the wind pressure is 2200Pa, the rated current is 28A, the design speed is 960r/min, the motor power is 250kW, and the actual operating current is 19 ~ 20A. The fan is generally stable…

Composition and operation key points of oil ring vacuum device

TechnologyBy allen02/16/20211 Comment

01 Introduction A 4500t/d clinker cement production line of a company is equipped with a 9MW waste heat power station. The air ejector in the vacuum system of the steam turbine generator set is a water ejector, which mainly consists of 37kW water pump, 10.5kg/h air ejector and 12m³ water injection tank. The role of…