This standard specifies the technical requirements, structural design, testing, appearance, decoration removal and rust prevention, complete set supply and guarantee, marking, packaging, transportation and storage of centrifugal blowers for sintering plants. This standard is applicable to centrifugal blowers for extracting sintering flue gas in sintering plants where the inlet temperature is not higher than 250°C, the pressure rise is not higher than 30kPa, and the dust content in the medium is not greater than 50mg/m3 (actual state). It is used for dust removal, Blower with steel plate welded structure used for environmental cooling, cement, thermal circulation, desulfurization, power station boiler blast, induced draft, etc. can also be used as a reference.