Case Study:
New filter device with pleated bags at steel plant
Location:
- SLOVENIA
Operation:
Steel grinding machine
Dust type:
Steel grinding dust
Problem:
Before with previous bag house (720 polyester filter bags, 4m long):
- Short lifetime - Only 3-6 months lifetime of standard filter bags
- Wrong designed inlet and outlet
- Undersized bag house --> High dP
- High emission: Above 30mg/m3
Solution:
- New dust collector was build and pleated bags (2x288 pcs in each compartment) installed in 2013
- Pleated bags latest changed in 2016
TECHNICAL FACTS |
||
| BEFORE | AFTER | |
| Bag filter | Pleated bag solution | |
| Airflow in unit | 55.000 m³/hour | |
| Dusttype | Steel grinding | |
| Collector running hours/year | 7.600 | |
| Filter model | Filter bag | CPB130 |
| Media/cloth type | Polyester needlefelt | Spun bond polyester with PTFE-coating |
| Length | 4.020 | 2.070 |
| Number of bags/cartridges | 720 | 576 |
| M² in each bag/cartridge | 2,08 | 3,40 |
| M² in unit | 1.497 | 1.958 |
Advantages:
- Longer life time
- Lower dP
- Emission 1mg/m3
- Satisfied customer!
Before:
Solution after:
Sales Representative:
MG