F - Mech Eng,Light,Heat,Weapons – 17 – D
Patent
F - Mech Eng,Light,Heat,Weapons
17
D
F17D 1/12 (2006.01) B65G 53/52 (2006.01) B65G 53/58 (2006.01) F15D 1/06 (2006.01) F16L 57/00 (2006.01) F17D 1/08 (2006.01) F17D 1/16 (2006.01) F17D 3/12 (2006.01) F23G 5/44 (2006.01)
Patent
CA 2133250
DEVICE FOR CONVEYING THICK SUBSTANCES CONTAINING A GREAT DEAL OF SOLID MATERIAL ABSTRACT OF THE DISCLOSURE The invention relates to a conveyor for thick substances containing a great deal of solids and having a conveyor pipe (20) which can be filled with the thick substances under pressure and at least one injection point (22, 24) opening into the conveyor pipe (20) to supply a lubricant (83) to the region (84) between the pipe wall and the surface of a strand of thick substance (82) being formed in the conveyor pipe (20). In order to centre the strand of thick substance (82) inside the conveyor pipe (20) and provide a stable layer of lubricant (83), the invention proposes that the conveyor pipe (20) have at least one annular waist at a distance from and downstream of the injection point (22, 24) formed by a collar or shoulder-like projection (62') inside the conveyor pipe (20). A drilling (72) passing radially through the pipe wall for the connection of a lubricant injection line (76) may be provided in the flow shadow of the waist (62'), and at least one further waist (79) is provided downstream at a distance from the injection drilling (72).
Rockstroh Axel
Schlecht Karl
Schuster Ulrich
Kirby Eades Gale Baker
Putzmeister-Werk Maschinenfabrik Gmbh
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