TURBOEXPANDER AND DRIVEN TURBOMACHINE SYSTEM

摘要

A turboexpander and driven turbomachine system comprising a turboexpander configured for expanding a first fluid and comprising an expander stage with one expander impeller; a first set of moveable inlet guide vanes at the inlet of the expander stage; a driven turbomachine configured for processing a second fluid and comprising a turbomachine impeller; a second set of moveable inlet guide vanes at the inlet of the turbomachine impeller; a mechanical transmission between the turboexpander and the driven turbomachine; and a controller connected to the second set of moveable inlet guide vanes and configured for controlling the second set of moveable inlet guide vanes for adjusting the rotary speed of the driven turbomachine and said turboexpander.

主权项

1. A turboexpander and driven turbomachine system comprising:
a turboexpander configured to expand a first fluid, and comprising at least one expander stage with an expander impeller; at least one first set of moveable inlet guide vanes at an inlet of the at least one expander stage; a driven turbomachine configured to process a second fluid, different from the first fluid, and comprising at least one turbomachine impeller; a second set of moveable inlet guide vanes at an inlet of the at least one turbomachine impeller; a mechanical transmission between the turboexpander and the driven turbomachine; and a controller connected to the second set of moveable inlet guide vanes, wherein the controller is configured to control the second set of moveable inlet guide vanes to adjust a rotary speed of the turboexpander and the driven turbomachine, to receive information on the rotary speed and, and to control the second set of moveable inlet guide vanes to adjust the rotary speed at a desired speed value.