FIELD: power engineering.
SUBSTANCE: proposed gas-steam thermoelectric plant contains gas-steam turbine unit with high-pressure gas turbine, counterpressure steam turbine, power-generating and ecological steam lines, steam-gas mixture heat recovery unit with steam recovery boiler, gas-water heater, gas cooler-condenser, separated water heat recovery unit. Low-pressure steam-gas turbine and afterburner chamber are arranged additionally in gas-steam turbine unit, afterburner chamber being installed between high-pressure gas turbine and low-pressure steam-gas turbine. Output of counterpressure steam turbine is connected by ecological steam line with output of high-pressure gas turbine and with after-burner chamber.
EFFECT: provision of designing of gas-steam thermoelectric plant of higher power output and economy using existing counterpressure steam turbines with standard initial parameters of steam.
2 dwg
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