METHOD FOR GREASE REMOVAL INTENDED FOR CLEANOUT OF PIPES COILED IN HANKS Russian patent published in 2005 - IPC

FIELD: methods of cleanout of pipes.

SUBSTANCE: the invention is pertaining to the field of cleanout of pipes. The device for removal of grease is intended for cleanout of pipes coiled in hanks and has the furnace for a heating of pipes positioned in it, which has or has not a corresponding cooling section, and also has a gas pipeline system designed for feeding the blow-down gas into the tubes and accordingly for its removal from the pipes and provided with a means for a detachable sealed coupling with a gas-feeding pipeline on the one side and a gas-removal pipeline on the other side. The technical result of the invention is provision of a capability of a simple and reliable connection of the gas-feeding and the gas removing pipelines to the pipes to be cleaned. The device allows to solve this problem due to the fact, that both ends of each pipeline are separately connected to the same connection head, which has a gas-inlet window and a gas-outlet window located on the same shaft, and the end section of the gas-feeding pipeline and the end section the gas-removing pipeline are facing each other and connected with the indicated gas-inlet window correspondingly with the gas-outlet window by a tight coupling enabling motility of these end sections of the gas-feeding and gas-removing pipelines jointly with these gas-inlet and the gas-outlet windows.

EFFECT: the invention ensures a capability of a simple and reliable connection of the gas-feeding and the gas removing pipelines to the pipes to be cleaned.

10 cl, 3 dwg