Center feed system using a retractable removable injection within the nozzle insert

摘要

The invention extends to the center feed system capable of injecting the residual by-products from the center of the vessel in the container. Center feed system, an inlet sleeve attached to the container, the residual by-product is extended into the container to be injected into the container, and retractable injection nozzle and drawn into the inlet sleeve when injecting the residual by-products and can contain. One or more retractable injection nozzle according to embodiments of the present invention can include one or more openings, each opening comprising an insert can be removed from the opening. Therefore insert, according to the features of the nozzle can be exchanged, or when the insert is worn, it is possible to replace them. .