With the combination of catalytic theory and combustion technology

additives that can promote coal ignition and combustion

ease coking on heating surface of boiler

reduce coal consumption and SO2

NOx emission concentration of boiler power generation have been developed in large quantities and gradually applied in coal-fired utility boilers. Based on the perfect test equipment

various research methods and many years of experience in additive application test and evaluation of TPRI

this paper puts forward a comprehensive evaluation method combining the laboratory of coal-fired additives with the on-spot trial. In the evaluation process

firstly

the fuel characteristics

ignition combustion and slagging characteristics

pollutant emission characteristics and other conventional characteristics of the coal before and after additive addition are evaluated in the laboratory by using the laboratory instrument and small combustion test benches. Then

on the basis of preliminary confirmation of the application effect of additives

the boiler efficiency and positive balance coal consumption are further investigated on on-spot actual furnace

and the general characteristics of the evaluation conclusion obtained in the laboratory are verified. This method can not only ensure the scientificity and accuracy of the evaluation results

but also avoid unnecessary human and material consumption. It is a more comprehensive and correct comprehensive evaluation method for the application performance of coal additives.