In Indian boiler usually Steam is used as blowing medium which strikes the soot deposits and dislodges it from heating surfaces.
Soot Blowers are made according to the surface they have to clean.Soot blowers who dislodges soot from water wall are called wall blowers or deslaggers.
for removing soot from superheaters,reheaters and economisers soot blowers used are called long retracts and half retracts.Swivel blowers used for rotary air preheaters.
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