| 摘要 |
Accordingly the invention resides in a method of selectively repairing the lining of a lined pipeline, said method comprising utilisation of a conveyance adapted to be receivable within the pipeline, said conveyance being adapted to be able to travel through the pipeline, said method further comprising introducing said conveyance into the pipeline, said conveyance comprising an inspection means, an excising means, a debris removal means and an application means, said method further comprising an identification step comprising causing the conveyance to travel along the length of the pipeline, inspecting the surface of the lining and identifying and locating damaged portions of the lining at locations along the pipeline, said method further comprising an excising step comprising moving said conveyance means along the pipeline and at the locations identified by the inspection excising the damaged portions of the lining from the pipeline, said method further comprising a debris removal step comprising causing said conveyance means to travel along said length of the pipeline to remove the debris and/or water left in the pipeline by the excising step, and said method comprising an application step comprising causing said conveyance means to travel along the said length of the pipeline and applying a fresh lining composition onto the lining to replace the excised portions of lining removed by the excising step. The invention also relates in a conveyance for effecting the selective repair of the lining of a lined pipeline according to the method described above
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