UNIVERSAL TURBO-EXPANDER GENERATOR SET Russian patent published in 2019 - IPC F01D17/14 F02C7/57 F01D25/08 

FIELD: electricity.

SUBSTANCE: invention relates to turbine expander sets as a power supply source for small settlements. Generator is connected to the turbine shaft, equipped with a nozzle unit and a gas heater. Nozzle device, turbine and generator connected with turbine compensating coupling are arranged in series in single capsule from inlet gas cavity of capsule. Nozzle device is a disc separating the inlet gas chamber from the turbine, and in the disc along the circumference there are holes, in which detachable inserts are installed, some part is a set of vanes of the nozzle assembly, and the other one is solid without gas passage channels. Gas heater is made in form of heat exchanger, which "hot" cavity is connected on one side with outlet pipe of turbo-expander capsule, and on the other side with offtake gas line, wherein "cold" heat exchanger circuit by outlet branch pipe is connected to turbo-expander capsule inlet branch pipe, and "cold" circuit inlet branch pipe is connected to one of gas regulator outlet branch pipes, other outlet branch pipe of regulator is connected to inlet branch pipe of capsule of turbine expander, and inlet branch pipe of regulator is connected to inlet gas line.

EFFECT: universality of UTES, that is possibility to generate electric power in range of 30 to 600 kW at one generator.

1 cl, 3 dwg