FIELD: oil and petrochemical pipelines.
SUBSTANCE: invention relates to the field of main pipeline transport of oil and petroleum products and can be used to clean pipelines from sediments formed in their internal cavity. The device for cleaning the internal cavity of the main pipelines for oil and petroleum products contains the following elements. A consumable container placed at the head of the device. A receiving container located in the tail section of the device. A spherical nozzle and an electric cutter mounted on a common rod passing through the inner cavity of the consumable container along its longitudinal axis. A submersible pump placed in the inner cavity of the consumable container. The receiving container is connected to the end surface of the rod by means of a hinged attachment and is equipped with a sealing cuff, four check valves installed at an equal distance from each other along the circumference of the wall of the receiving container facing the milling cutter.
EFFECT: increased efficiency of surface cleaning.
1 cl, 4 dwg
