Turbomachine diaphragm ring with packing retainment apparatus

摘要

Various embodiments include a turbomachine diaphragm ring. In various particular embodiments, a turbomachine diaphragm ring includes: a packing slot sized to house a dovetail section of a turbomachine packing, the packing slot extending circumferentially about a rotational axis of the turbomachine; a key slot connected with the packing slot sized to house a portion of a key member, the key slot extending at least one of radially or axially from the packing slot; and a retaining slot connected with the key slot and extending substantially circumferentially from the key slot, the retaining slot sized to house a retaining member for retaining the key member.

主权项

1. A diaphragm ring for a turbomachine, the diaphragm ring comprising:
a packing slot sized to house a dovetail section of a turbomachine packing, the packing slot extending circumferentially about a rotational axis of the turbomachine, wherein the dovetail section of the turbomachine packing includes a pair of axially extending flanges; a key slot connected with the packing slot sized to house a portion of a key member, the key slot extending axially from the packing slot, wherein the key slot extends only partially axially into the diaphragm ring from the packing slot, wherein the key slot extends axially into only one of the axially extending flanges from the packing slot; and a retaining slot connected with the key slot and extending substantially circumferentially from the key slot, the retaining slot sized to house a retaining member for retaining the key member, wherein the retaining slot includes a threaded aperture for receiving the retaining member, wherein the retaining member includes a threaded screw.