COMPRESSOR STATION OF MAIN GAS LINE WITH GAS TURBINE EXPANDER POWER PLANT Russian patent published in 2016 - IPC F04D25/00 F02C7/10 

FIELD: power industry.

SUBSTANCE: compressor station of the main gas line with the gas turbine expander power plant has gas turbine gas transfer units with natural gas blowers and air coolers. The gas turbine expander power plant contains a HP fuel gas line, a separator, a heat exchanger-regenerator, turbine expander with regulated nozzles block, and device for its control, a gas turbine plant. The HP fuel gas line is connected via the separator and the heat exchanger-regenerator with input of the turbine expander, and ensures fuel supply of the gas turbine expander power plant and all gas transfer units of the compressor station. The gas turbine expander power plant is made regenerative and additionally has the ejector turborefrigeration machine with LT working medium. The turbo expander output is connected via the MP fuel gas line, fuel gas line of the gas turbine expander power plant with the combustion chamber of this plant, and via the fuel gas lines with the combustion chambers of the gas turbine gas transfer units. The exhaust gas duct of the gas turbine of the gas turbine expander power plant is connected with atmosphere via the additional regenerative air heater and the heat exchanger-regenerator.

EFFECT: increased power and economical efficiency of the gas turbine expander plant and gas transfer units of the compressor station.

2 dwg