Problems

such as somewhat high main steam temperature

desuperheating water can't be automatically put into operation

and high exhaust fulegas temperature etc.

existing on boiler NO.3 in Dawukow Power Plant

Ningxia Autonomous Regien

influence seriously the economic benavior and safety of the said boler. In this conneation

the heating surface has been adjusted and retrofitted by taking the opportunity of major repair for boiler NO.3 in this power plant. After retroffing

the main steam temperature and exhaust flue gas temperature have all been reducd

enhancing boiler efficiency

and having reached the anticipated purpose.