The steam blowing and flushing methods for steam side of highpressure heaters and drain pipeline

as well as flushing method for feedwater recirculating system before putting into operation of newly constructed units have been presented. The practice shows that the effectiveness of the two said methods to be obvious

during the time of increasing load of the unit

the influence of overlimited silicon content in steam and water having not appeared

the clogging of strainer resulting from foreign matters being also seldom occurred

quickening the speed of qualification for steamwater qualtiy

shortening the time of operation under low load

saving the consumption of fuel oil. In addition

the two said methods are simple and easy to do

and having low cost.