A TURBOEXPANDER AND DRIVEN TURBOMACHINE SYSTEM

摘要

The turboexpander and driven turbomachine system comprises: a turboexpander (13) configured for expanding a first fluid and comprising an expander stage with one ex- pander impeller; a first set of moveable inlet guide vanes (23) at the inlet of the ex- pander stage; a driven turbomachine (21) configured for processing a second fluid and comprising a turbomachine impeller; a second set of moveable inlet guide vanes (27) at the inlet of the turbomachine impeller; a mechanical transmission (19) between the turboexpander and the driven turbomachine; and a controller (25, 29) connected to the second set of moveable inlet guide vanes (27) and configured for controlling the second set of moveable inlet guide vanes (27) for adjusting the rotary speed of the driven turbomachine and said turboexpander.