Method for rehabilitating existing pipeline

Details Method for rehabilitating existing pipeline Method for rehabilitating existing pipeline

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/162 (2006.01) F16L 1/00 (2006.01) F16L 55/164 (2006.01) F16L 55/165 (2006.01) F16L 58/06 (2006.01)

Patent

CA 2543975

Slurry A is kneaded at ground level to produce a high-flow low-viscosity mortar, whereupon the kneaded Slurry A is pressure fed by a Slurry A pump via a Slurry A hose to a fixed volume dispensing section. Simultaneously, kneaded Slurry B is pressure fed by a Slurry B pump via a Slurry B hose to a kneading section. Slurry A supplied to the fixed volume dispensing section is then more uniformly kneaded there and, by adding Slurry B, i.e. the additive, in the subsequent kneading section and kneading Slurry A with Slurry B in a fixed proportion, a high-viscosity mortar is produced, with said high-viscosity mortar injected into a space between an existing pipeline and a spiral wound pipe through an injection nozzle of a supply hose.

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