Product quality and compliance with dust emission limits is a core requirement for dedusting in the cement, gypsum and lime industry. The choice of filter media is of paramount importance in cement kilns where there are high NOx levels due to high combustion temperatures. The needlona®-filter media range offers for each process in the cement, gypsum and lime industry technically sophisticated solutions.
Typical Operating Conditions:
| Cont. Temperature (°C): | 68-482°F |
| Peak Temperature: (°C): | Orientation to the maximum peak temperature of the fibre polymers used |
| Dust: | Cement, clinker, coal, gypsum, lime, raw meal |
| Dust Properties: | Agglomerating, abrasive, explosive |
| Dust Source: | Blast furnace, chlorine bypass, clinker cooler, coal grinding, mill, rotary kiln, spray dryer, silo, transfer stations |
| Harmful Gases: | H2O, NOx, SOx, HCl |
| Cleaning Process: | Pulse jet, reverse air |
| Fuels: | Natural gas, coal, oil, secondary fuels |
Specific Requirements for Filter Media in the Cement, Gypsum and Lime Industry:
- High abrasion resistance
- Discharge of electrostatic charges
- High chemical resistance
Scrim and Fibre Types for Filter Media in the Cement, Gypsum and Lime Industry:
A complete range of filter media is available for the dedusting of the various production processes in the cement industry. The needlona®-filter media are characterised by the compact structure and the supporting scrim used. They are thus particularly well suited for the filtration of high dust loads in the cement industry.
For the dissipation of electric charges in coal grinding, we recommend our ExCharge® filter media. These are certified by DEKRA EXAM and safely dissipate electrostatic charges.
