RA-20 / RA-6
Schwing engineers introduced the washing drum principle reclaimer in 1976 to achieve 100% recycling of aggregates, sand and gray water. It has proven popular with U.S. producers for its low water consumption, low wear and minimal maintenance. The quality of the reclaimed aggregates and the cut-size of sand fines that are washed out with the gray water are unsurpassed. Models include the RA-20 with processing of up to 30 cu.yds/hr. and the RA-6 with 8 yds./hr. capacity. Options include complete gray water reuse packages, surge hoppers for rapid loading of up to 10 yds of concrete and a slide gate system to prevent overloading. Customers receive detailed plans for installation and customization to fit specific requirements.
SPECIFICATIONS |
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RA-20 |
RA-6 |
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Reclaiming Capacity, Normal Concrete | 30 cu yds/hr | 8 cu yds/hr |
Feed Capacity (Initial, Empty Drum) | 2.5 cu yds | 1 cu yd |
Feed Capacity (Continuous, after 2.5 cu. yd) | 1 cu yd/ 2 min | 1 cu yd/ 7.5 min |
Max. Aggregate Size | 3 in | 3 in |
Cut Size (max. fine agg particle size in gray water) | .02 mm/ 65 mesh sieve | .02 mm/ 65 mesh sieve |
Drum Speed | 4 rpm | 6 rpm |
Standard Hopper Size | 10′ 6″ x 5′ | 5′ 6″ dia, 4′ 6″ w |
Optional Screw-fed Surge Trough Capacity | 20′ x 6′ ; 10 cu yds | N/A |
Water Flow (Drum and Hopper) | 20-30 gpm | 15 gpm |
Water Flow (Flush Boom) | 250 gpm | 250 gpm |
Volume of Water in Drum | 1,000 gal | 250 gal |
Shipping Weight | 5.2 tons/ 10,400 lbs | 2.5 tons/ 5,060 lbs |
Dimensions of Plant Incl. Hopper | 10’6″ x 24’6″ x 9’6″ | 7’8″ x 22′ x 7’9″ |
Number of Truck Mixers Wash Stations: | ||
—–with Standard rectangular Hopper | 2 | 1 |
—–with Screw-fed Surge Trough | up to 4 | N/A |
Standard Agitation Basin Dimensions | 12′ x 12′ x 26′ | adjustable |
Standard Agitation Basin Capacity | 25,000 gal | adjustable |
Above Ground Agitation Tank Dimensions | 24′ x 8′ x 7′ | adjustable |
Above Ground Agitation Tank Capacity | 9,500 gal | adjustable |