Patent ID: 9366188
Filing Date: 2016-06-14
CPC Classification: F01D,F02C

Claim Text:
1. A purge process of a supply pipe network in a gas turbine comprising: supplying a fuel to a supply pipe network in a gas turbine, the fuel at least partly contains synthetic gas, stopping supplying the fuel to the supply pipe network; while the supply of fuel is stopped, injecting inert gas in a sequential order in each of separate portions of the supply pipe network that contains fuel or hot air, wherein the sequential order of injection of the inert gas includes injecting the inert gas in a first of the separate portions while a second of the separate portions is not injected with the inert gas, and subsequently injecting the inert gas in the second of the separate portions, the sequential order is determined by a Modified Wobbe Index of the fuel, and after the sequential order of injection of the inert gas, resuming the supply of the fuel to the supply pipe network.