Through the introduction of operation principle of the low position fluviograph, the paper shows the feasibility of low position fluviograph in measuring water level of pots tube in large-scale boiler use, and introduces the instructions for use of the fluviograph of low position the relevant technological questions.
In above-mentioned retrofitting,the dark start-up operation has been directly realized on large-scale boiler by fully utilizing the existing equipments,aveiding vast amount of maintenance work without significance for staring -up small boilers,saving time for restoring production of the power plant and energy consumption of the units,ensuring the power plant to successfully restore operation under extremely adverse circumstances,having important significance for safe production of the power plant.
By the research of application of blended coal in large-scale boiler,this paper raised the blending proportion of two coals with different compositions,in order to make the characteristics of blended coal near the designed coal,and it discussed the influence of blended coal on boiler's burning condition and made research on optimal adjustment combustion of blended coal.
The NO X emission level and employable low-NO X combustion technology for various combustion modes in large utility boiler are discussed. the proposals for correcting the emission standard are also put forward in this paper.