Coal-fired power plant ash removal case

Unit: 300MW

Number of dust collection bags: 9720

Number of dust removal rooms: 5 rooms

Dust bag material: PTFE/P84 ultra-fine impregnated filter bag

Use time of cloth bag: 2 years

Blowing method: rotary back blowing

Operating temperature: 130℃

Dust collector problem: the bag has high running resistance, frequent dust removal, and can not run under high load

Service content: bag cleaning/fluorescent powder leakage

Working time: 8h*6days (4 devices)

Resistance before cleaning: 70% load about 2400pa

Resistance after dust removal: about 1200pa at full load

On-site test bag resistance drop: 62.19%