The operation of condensate polishing system in a supercritical 1 000 MW unit was diagnosed,by the professional diagnosing system for high-speed mixed beds designed by Xi'an Thermal Power Research Institute.Thus the existing problems occurred in high speed mixed bed and separation-regeneration equipment were found out.After operation optimization like parameter regulation was carried out,the periodic output amount of fabricated water from mixed bed increased from 70 000m3 to 130 000m3.The percent of cation ...