| 摘要 |
The present invention relates to a water purification apparatus for purifying water containing foreign materials which is discharged from a perforation hole during perforation. The water purification apparatus for filtering water for operation used for perforation according to the present invention comprises a sedimentation water tank storing the water for operation and having a water storing space for precipitating foreign materials contained in the water for operation; a transfer unit installed on the sedimentation water tank to transfer the foreign materials precipitated in the sedimentation water tank to one side; a discharge unit for discharging the foreign materials transferred by the transfer unit to outside the sedimentation water tank; and a discharge pipe installed to be separated upward from the bottom of the sedimentation water tank and discharging the introduced water for operation to outside the sedimentation water tank with an inlet formed to introduce the water for operation having the foreign materials removed by sedimentation. |
