초록 ▼

A process for the efficient production of power from non-gaseous carbonaceous fuels, such as coal, or heavy fuel oil, in a steam power plant in which the carbonaceous fuel is first gasified at relatively high pressure and temperature by partial oxidation with oxygen to produce a fuel gas, the fuel g

A process for the efficient production of power from non-gaseous carbonaceous fuels, such as coal, or heavy fuel oil, in a steam power plant in which the carbonaceous fuel is first gasified at relatively high pressure and temperature by partial oxidation with oxygen to produce a fuel gas, the fuel gas from the partial oxidation reaction is expanded to a lower pressure in a turbine. Undesirable compounds, e.g., sulfur compounds, are removed from the fuel gas, and the fuel gas supplied to a steam boiler for the production of power. The process of this invention provides an effective means for conversion of gas-fired steam generation facilities to coal or heavy fuel oil while at the same time increasing the power generating capacity of the installation, all with minimal atmospheric pollution. The process is effective for the conversion of other types of gas-fired heaters and boilers to coal or heavy fuel oil.

대표청구항 ▼

A process for the generation of power from a carbonaceous fuel wherein said fuel is subjected to partial oxidation with oxygen at a pressure above 500 psia and a temperature above 1800°F. effecting conversion of said carbonaceous fuel to a fuel gas stream having a higher heating value in the range o

A process for the generation of power from a carbonaceous fuel wherein said fuel is subjected to partial oxidation with oxygen at a pressure above 500 psia and a temperature above 1800°F. effecting conversion of said carbonaceous fuel to a fuel gas stream having a higher heating value in the range of 150 to 300 BTU/ft3 comprising carbon monoxide, hydrogen, and methane and containing ash and soot, which comprises cooling said gas stream and separating unconverted carbon and ash therefrom to produce a clean fuel gas stream, reheating said clean fuel gas stream, expanding said reheated clean fuel gas stream in an engine to produce a first expanded fuel gas with the production of power, reheating a portion of said first expanded fuel gas and expanding same in a second engine with the production of power, subjecting the expanded fuel gas from said second engine to substantially complete combustion with air in a boiler for the generation of steam, and expanding the resulting steam in a steam turbine with the generation of power.