Pneumatic or hydraulic feed for solids in pipes - consists of thin flexible but strong cable turned by motor round sides of pipe

摘要

The conveyor for pneumatically and hydraulically feeding solids into pipes consists of a thin, flexible but sufficiently rigid wire cable extending the whole length of the pipe. A motor (2) at the end of the pipe turns the part (1) slowly on its lengthwise axis so that the inner pipe wall is swept clean. The part may be coated or be made of composite material, be threaded, fitted with brushes, and match the diameter of the pipe. Compressed air or water may go through holes in the part which may also consists of thin flexible strings or strips.