Hi-Bar Standard Filter
BOKELA Hi-Bar Filtration is the most modern continuous pressure filtration technology that is also known as hyperbaric filtration.
Hi-Bar Filtration works at pressure differences of up to 6 bar ( 7 bar, abs.) what enables to filter even fine grained products with high throughput rates, low residual moisture contents and a very efficient cake washing. With the patented Hi-Bar Steam Pressure Filtration extremely low cake moistures can be reached.
The Hi-Bar Filtration is a continuous process comprising a rotary filter – disc or drum – installed inside a pressure vessel. Thus, a powerful and effective separation process is realised with robust and proven components in a simple construction.
For bulk materials like concentrates from iron ore, coal or minerals beneficiation as well as tailings from beneficiation plants, which require large filter sizes, Hi-Bar Filtration plants are constructed with horizontal pressure vessels.
Features and Advantages
- Continuous process with well-proven disc or drum filters
- Filtration of fine grained products
- Filtration of high slurry flows
- High filtration pressure difference of up to 6 bar (pressure in vessel: 7 bar, abs.)
- High specific throughput rates
- Efficient cake washing (especially with Steam Pressure Filtration)
- Low residual moisture contents (especially with Steam Pressure Filtration)
- Good accessibility since walkable pressure vessel
- Closed, gas-tight process room, thus inert-gas atmosphere applicable
- Compact design
- Much smaller filtration areas than with vacuum rotary filters or discontinuous filter presses
- Full-automated operation