Portable water purifying apparatus using for emergency

摘要

The present invention relates to a washing machine comprising: a first filter unit for treating raw water supplied from the outside and discharging treated water; A second filter unit for purifying the treated water that is purified and discharged in the first filter unit and discharging the concentrated water; An air supply unit for supplying air used in the water treatment of the second filter unit; And a circulation pipe circulating the concentrated water discharged from the second filter unit to the first filter unit. The present invention allows the filter to be easily replaced after a certain period of use of the filter, so that the backwashing and chemical cleaning process of the filter can be omitted, and the filter does not include components for backwashing and chemical cleaning, The first filter portion and the second filter portion are arranged in series and the concentrated water discharged from the second filter portion is circulated to the first filter portion inlet portion so as to be reprocessed, The recovery rate can be improved. In addition, the present invention has the function of removing the contaminants from the first filter unit and discharging the contaminants to a solid state, so that the waste water can be prevented from being generated.