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Handan iron and steel iron dust device renovation project

The article citations:This web site    sentiment:70    Published time:2019-08-19 13:53:47

Date of installation: December 2018
Problems existed in the original dust collector: the filter bag was damaged seriously and the discharge exceeded the standard.
Requirements for environmental protection upgrading and transformation
1) dust collector emission <10mg/Nm3;
2) filter cylinder life of 4 years.


Before the change

Super efficient folding filter

Process gas flow (Am3/h)

480,000

480,000

Inlet temperature(°C )

<100

<100

Filter bag material

Polyester needled felt

Polyester+ePTFT

The pressure drop (pa)

2100 490

Total number of filter bags (pairs)

2380 2380

The filter bag size(mm)

Φ160*6000

Φ160*2270

Bag cage(mm)

Φ160*6000

Without the bag cage

Effective length of filter bag

6m

2.2m

Effective filtration area(m2)

7140 11979

Filtration velocity (m/min)

1.12 0.67

Life of filter bag(year)

2year 4

Exit dust concentration

<50mg/m3

<10mg/m3





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