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Spiral Flow Separator Operations
Description
The Alar Spiral Flow is a versatile separator that will separate two or three components (floatables, water, and settleable solids).
The unit consists of a round vertical external tank with a stationary internal tank core and two rotating brush type wipers. These wipers are driven by a variable speed drive that can be adjusted to control the quantity and concentration of the floating solids. Water flows in a 360-degree upward spiral between the stationary core and outer wall to a set of baffles. The stationary baffles provide flow direction for optimum separation of the floating material from the water. The rotating brushes remove floating material from the water.
Floatable Separation
The separator has two rotating brush type wipers located 180 degrees apart. These wipers skim the surface, directing the float to the incline beach. Each wiper consists of a brush, support bar, pivot arm and flanged support wheel that runs around the top of the external tank. As the support wheel circles the top of the external tank, it follows a "cam" that raises the brushes to follow the curvature of an incline beach. These brushes push the floatables up the beach into a trough. The excess water flows back down the beach for maximum concentration. The floatables gravity flow out of the separator. The brush is then cleaned by a scraper as it continues its rotation. The discharge from this scraping process is also deposited into the trough. The brushes are then lowered back to the surface for the next skimming cycle.
Clean Water Separation
As the water flows in a 360-degree path, a series of stationary underflow/overflow baffles direct the water flow for optimum separation. The clean water is discharged over an adjustable weir. The adjustable weir controls the water level in the separator for maximum clarity.
Industrial Wastewater Treatment Systems Technical Information
ENGINEERING INFORMATION |
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| Model | Overall Diameter | Overall Height | Inlet (ASA) | Floatable Outlet (ASA) | Clean Water Outlet (ASA) | Shipping Wt. (lbs) | Operating Wt. (lbs) |
| 450 | 5’-0” | 7’-2” | 3” | 3” | 3” | 2,200 | 6,400 |
| 560 | 6’-0” | 8’-2” | 4” | 4” | 4” | 2,840 | 10,200 |
| 660 | 7’-0” | 8’-2” | 4” | 4” | 4” | 3,120 | 13,600 |
| 770 | 7’-0” | 9’-2” | 5” | 5” | 5” | 3,900 | 20,500 |
| 767 | 8’-6” | 9’-2” | 5” | 5” | 5” | 4,140 | 21,700 |
| 870 | 9’-0” | 9’-2” | 6” | 6” | 6” | 4,300 | 26,400 |
*ALL INFORMATION FOR ESTIMATION PURPOSES ONLY. FOR SPECIFIC DETAILS CONSULT FACTORY.