Energy-saving environment-friendly centrifugal oil impurity and pollutant filtering and treating device for pipelines and fittings

The invention discloses an energy-saving environment-friendly centrifugal oil impurity and pollutant filtering and treating device for pipelines and fittings. According to the invention, a material flowing surface is arranged in a shell; a material flowing pipe is arranged in the middle part of the material flowing surface; a pollutant collecting tray is arranged at the left side of the material flowing surface; the left lower part of the pollutant collecting tray is communicated with a pollutant collecting pipe; a pollutant removing pipe and a return pipe are arranged at the left side of a pollutant collecting chamber; a collecting and purifying chamber is arranged below the material flowing pipe; a centrifuge comprises a driving motor, a spline and a centrifugal barrel; the driving motordrives a driven gear; the driven gear is connected with a spline; the spline passes through a supporting sleeve, and a supporting bearing is arranged between the spline and the supporting sleeve; thelower portion of the spli