The 220 t/h oilfired boiler proper

burners

and heating surface etc.of Wanfeng Thermal Power Co Ltd in Shantou City have been retrofitted into one of coalwaterslurry firing.Results of operation show that the boiler load during the time of oilfiring can reach 100%

while during the time of coalwaterslurry firing

the boiler load to be 85%

low load to be 40%;Ignition and combustion of coalwaterslurry to be stable

combustion efficiency reaches above 99%

boiler efficiency reaches above 91%

emission of smoke tallies with national standard

having very remarkable economic benefit.