COMBINED METHOD FOR INCREASING RECIRCULATING WATER CONCENTRATION RATE IN THERMAL POWER PLANT

Circulating water was used for washing ash-water in the Thermal Power Plant of Yizheng Chemical Fibre Company,which led to a low concentration rate of 1.6 as well as scale and corrosion problem of condenser copper pipes.A combined method was proposed i.e.,to separate circulating water from washing ash-water and form closed circulating,make acid dipping of condenser copper pipe,add scale and corrosion inhibitor,and perform sterilization and filtration.Those processes have produced good economy benefit.