| 摘要 |
<p>A pipeline (500) equipped with at least one pump (400) transports granules dispersed in a carrier fluid in intervals between co-transported pigs in a pipeline. Each pump and each pig is configured to preserve the intervals between pigs, and the orientation of the pigs, during passage of the pigs and granules through each pump. Also, each pig may comprise peripheral apertures providing a leakage of carrier fluid into the intervals downstream of each pig as a means of preserving the dispersion of granules within the pipeline. In the example shown granules are introduced to the pipeline by inlet feed hopper (400), and granules are removed from the pipeline at outlet delivery hopper 650. Hopper 404 introduces pigs at the pipeline inlet and hopper 652 removes pigs at the pipeline outlet: pigs are returned to hopper (404) by the pipeline (500A).</p> |
