Ennox - Model GFR - Gravel Filter
From Gas Treatment - Purification
The gravel filter enables the coarse filtration of the biogas by passing through a gravel layer. Foreign particles, foam and condensate are removed and channelled to a drainage point. The filter can be easily accessed through a screwed cover for cleaning. Contamination can be easily removed without the need for opening the cover by rinsing with water. The gravel filter is available for various volume flow rates and pressures. As an option we provide accessories i.e., gravel removal flange or differential pressure gauge.
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Product Details
The gas removed from biogas digestion or fermentation units can be heavily contaminated with foam particles, various particulate matter and water vapour. A pre-filtration of the gas (often adequate enough) can be achieved with the use of an ennox gravel filter.
The gas flows through the ennox gravel filter layer where large particulate matter and water vapour is left behind. The water collects at the bottom of the filter where it can be drained with a siphon assembly.
Following heavy contamination of the gravel filter the spraying unit can be used for rinsing, avoiding the need for opening the digester unit. As an option a gravel removal opening can be installed.
Highlights
- Simple, maintenance free design
- Low pressure loss
- Easy access through screwed cover
- Automatic removal from condensate water
- Inlet and outlet connections for pressure gauges
- Manufactured entirely from 1.4571 stainless steel
- Made in Austria
Options
- Gravel removal opening through screwed ange
- Equipped with pressure gauges for differential pressure indication
- Rinse system with ball valve and spray nozzle
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