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Sand Washer/Grit Washer
Brand: Stjernholm US IncMany Danish wastewater treatment plants use the grit washer from Stjernholm as a fixed installation. Therefore, we are able to document very good results, e.g. up to 95% dry matter and an ignition loss of less than 3%.
The grit washer from Stjernholm is characterized by effective washing, leaving less than 3% of organic material in the grit and less than 10% sand particles in the reject water. Such a high level of efficiency significantly reduces costs related to disposal and transport.
All our grit washers are highly customizable and a perfect solution for grit washing and dewatering at
- Municipal wastewater treatment plants as new installations, expansion and upgrades or replacements for worn out grit washers or grit classifiers
- Receiving station for vacuum trucks and street sweepers
- Large lift stations (grit pit/ponds)
- Dairy farms using sand bedding – separation of slurry and sand (99% reuse of sand).
Stjernholm Grit Washer is available in 4 different sizes with a treating capacity up to 3000 l/m equal to 793 gal/m – and a grit output of up to 3 tons per hour with two screw conveyers.
Specifications
Brand
Tank Volume
- 422 us gal
- 924 us gal
- 1425 us gal
- 1730 us gal
Capacity without Cyclone
- 0-111 gal/m
- 111-238 gal/m
- 238-349 gal/m
- 349-428 gal/m
Capacity with Cyclone
- 238-507 gal/m
- 111-238 gal/m
- 349-634 gal/m
- 428-793 gal/m
Maximum Capacity
- 3 ton/h
Grit Output Capacity Per Screw Conveyer
- 1.5 ton/h
Product Lifespan
- Minimum: 15 years
Material of Construction
- AISI-304 or AISI-316
Gear Type
- SEW Helical Gear
Electrical Motor
- 120/460 V 60 Hz
Retention Rate
- Up to 90 % Washed Grit > 125 microns (120 mesh)
Dry Matter Content
- Up to 95 %
Organic Matter Content
- Below 3 %
- Wastewater Treatment