Verfahren zum Betreiben eines Überkritischen CO2-Kraftwerks und Überkritisches CO2-Kraftwerk

Details

Veröffentlichungs-Nr.

EP4737692

Anmeldetag

29. Oktober 2024

Veröffentlichung

6. Mai 2026

Rechtsraum

EP

IPC

(UNIV QUEENSLAND et al.)

Abstract

The invention relates to a method of operating a supercritical CO2 power plant (1) comprising a combustor (3) and a gas turbine (4) having a turbine shaft (9) sealed against a turbine housing (11) in at least two sealing sections (10) by several shaft seals (12, 13, 14, 15), in particular non-contacting shaft seals, the method including the steps of burning a gaseous fuel with oxygen and a CO<2> working fluid in the combustor (3) and expanding the exhaust gas in the gas turbine (4), characterized in that a seal steam is fed to the gas turbine (4) to avoid that CO2 can leave the turbine housing (11) into the atmospheric environment (17) and to avoid that ambient air can enter the turbine housing (11), wherein the seal steam is water steam.

Anmelder

Firma

Siemens Energy, Inc.

Land

🇺🇸 USA