SCROLL EXPANDER WITH HEATING STRUCTURE AND STEAM CYCLE USING THE SAME

摘要

PURPOSE: A scroll expander with a heating structure and a steam cycle using the same are provided to allow working fluid supplied through a central inlet to be continuously expanded and reheated. CONSTITUTION: A scroll expander(10) includes a hermetic housing(12) having a heating surface on an outside thereof, two inlets(27) formed on an upper pat and a lower part of a center thereof, an outlet(23) formed on a periphery thereof; a fixed scroll(13) fixed in the housing, spirally formed from the center of the housing, and extended to the periphery of the housing; a rotary scroll(15) forming a spiral from the center of the housing, and extended to the periphery of the housing to be engaged with the fixed scroll in the housing, and rotating with fixed rotating radius to continuously expand working fluid introduced into the housing; a heating chamber(17) installed on an outer circumference of the housing to supply heat as the rotary scroll rotates to expand the working fluid; and a driving axis(29) connected with the rotary scroll to drive the rotary scroll.