WSS windshifter
The Nihot WSS windshifter is the ideal solution for any operation, but especially in tight spaces and in retrofits. Material is pneumatically conveyed, creating a great deal of flexibility for conveyor placement and duct routing.
The typical characteristic of a diagonal windshifter (WSS) is the use of a blow nozzle. About 60% of the aspirated air is returned back into the system. This allows for a smaller dust filter. But more over it helps to control the separation efficiency since we can fully adjust the blown air separately from the aspirated air. The WSS windshifter offers high separation efficiency with flexible footprint and can process fraction sizes of 20-400 mm and is mainly used in light packaging waste (DSD/PMD), PET, MSW and compost.
Principle separating process
The windshifter is a combination of a recirculation fan, a separation unit (the actual windshifter), and either a Rotary Air Separator (RAS) or Combi Separator. This configuration is individually designed and ideal for any operation, especially in tight spaces and in retrofits. A RAS can be installed for light weight fractions up to 3 t/h. When more capacities of light weight materials are applicable the Combi Separator can be used instead.
The picture below shows the operating principle of the WSS. The separation unit of the WSS windshifter has a diagonal design. In the diagonal shifter unit, the heavy materials are separated from the light materials.
