Filter bags for ferro-alloy plants, baghouse by baghouse.
Ferro-alloy furnaces, especially ferro-silicon submerged-arc furnaces, produce very fine silica fume with sparks and temperature peaks. Baghouses usually run fibreglass in reverse-air designs, or aramid and P-84 in pulse-jet designs, with spark protection upstream. Ferro-alloys are one of Masturlal's core industries.
Media by baghouse
| Baghouse | Conditions | Media to evaluate |
|---|---|---|
| Ferro-silicon submerged-arc furnace | Very fine silica fume, sparks | Fibreglass (reverse-air) or aramid/P-84 (pulse-jet) |
| Ferro-manganese and ferro-chrome | Hot fume, abrasive dust | Aramid or P-84 |
| Raw material handling | Ambient, abrasive | Polyester |
This is a starting point. The final choice depends on measured temperature, moisture, gas chemistry and the cleaning system.
Things that shorten bag life here
- Silica fume is extremely fine and can blind felt; surface finish and cleaning settings matter.
- Spark carry-over causes burn holes; use a spark arrestor or cooling section.
What Masturlal supplies
- Pulse-jet, reverse-air and shaker filter bags made in-house
- Filter cages, venturis and Goyen and Mecair pulse valves
- Installation, leak testing, bag autopsy and maintenance contracts
What to send for a quote
- Collector type (pulse-jet, reverse-air or shaker) and the collector drawing
- Bag diameter, length, top and bottom construction, and quantity
- Continuous and peak gas temperature
- Dust chemistry, moisture, acid dew point and particle size
- Current bag specification, bag life and differential pressure
- Emissions target
Questions, answered.
Which filter bags are used in ferro-alloy plants?
It depends on the baghouse. See the table above: each location has a different temperature and dust, so different media.
Does Masturlal supply plants outside India?
Yes. About 30–35% of turnover is exports, mainly to the Middle East, Bangladesh and Southeast Asia, with installations in 40+ countries.
Send us your dust profile.
Temperature, chemistry, moisture, particle size and your emissions target. An application engineer replies within one working day, usually with a media specification within two.