The soft enclosure consists of three parts, namely floating body, separation film and positioning block. The separation film is made of polymeric organic material which is anti-freezing, anti-oxidation and corrosion-resistant. It is fixed with anchor at the bottom, and adopts floating ball as the floating body at the upper part. The soft enclosure may stretch out and draw back freely according to the change of river water level, so as to ensure the relative independence of polluted area and river water area. Then through follow-up enhanced water treatment measures, the river water in the polluted area may be purified to ensure fast improvement of river water quality and achieve the purpose of pollution interception.
State of enclosure at ordinary times (including rainy days)
State of enclosure in rainstorm period
State of enclosure in low water period