A METHOD FOR INCREASING EFFICIENCY OF AN INTEGRATED GASIFICATION COMBINED CYCLE POWER PLANT

摘要

A method for increasing efficiency of an IGCC power plant, the IGCC power plant comprising a gasifier a steam turbine, and a HRSG, the method comprising: avoiding extraction at HPT/IPT/LPT and generating solar heat in a solar collector field; avoiding extraction at HRSG and generating solar heat in a solar collector field; utilizing solar heat generated in collector field for generating steam required for the gasifier for production of syngas, by direct heating of an extracted condensate; and transferring solar heat into an circuit with a heat exchanger via a second heat transfer fluid to the extracted condensate for producing steam required for the gasifier for production of syngas.