Windsifters are waste management machines applied to separate lightweight impurities from waste mixtures using a powerful stream of air. The waste is fed into the separation chamber via a wide, flat belt conveyor. The conveyor will carry piles of waste through the chamber as a strong stream of air will blow away light waste material like films, paper, and small particles, while leaving behind heavier products such as glass bottles and large plastic pieces. The separated light materials are then removed by a vacuum drum or screen conveyor inside the separator.
This equipment is a key part of our urban solid waste sorting system, specifically designed to extract lighter, recyclable materials from contaminated inert waste. By employing this technology, the recovery rate of small-volume waste is significantly improved, enhancing overall recycling efficiency.
Windsifters are typically installed in MRFs (material recovery facilities) or MBT (mechanical biological treatment) operations just prior to automatic sorting systems to separate light materials such as film, paper, and dust from larger piles of waste. The equipment enables automatic sorting with unparalleled efficiency and purity.
| Compliant conveyor belt width | First/second stage windsifter: 1400mm Third stage windsifter: 1200mm |
| Air flow/pressure | ≥38000m³/h, ≥2800Pa (full pressure) |
| Motor power | ≥31kW |
| Efficiency | ＞90% |
| Capacity | 30-40m³/h |
| Working mode | Continuous or intermittent operation |
| Power supply | 380V/3phase/50Hz |
| Motor protection degree/insulation class | IP55/F |
| Air speed | Adjustable (depending on material humidity and density) |
