FIELD: power industry.
SUBSTANCE: method of energy conversion provides the supply of compressed air and methane-hydrogen mixture to the combustion chamber, expansion of its combustion products in a gas turbine plant; thereof subsequent cooling in the heat exchanger with evaporation to form high-pressure steam that is mixed with natural gas to produce methane-containing vapour-gas mixture which is passed through catalytic methane conversion reactor to form vapour-methane-hydrogen mixture at the outlet, cooled to a temperature not exceeding the temperature range 200÷240°C, with the simultaneous partial condensation of water vapour contained in the hydrogen sulfide mixture fed in a cooled form into the combustion chamber of the gas turbine plant; production of low-water vapour condensate, fed to free gas power turbine. The catalytic methane reforming reactor is fed with stream of compressed air, withdrawn from the compressor of the gas turbine plant. Water vapour from the heat exchanger is divided into two streams: high and low pressure, the low-pressure steam flow is added with steam, which is obtained from the condensate by its evaporation and overheating by cooling the vapour-methane-hydrogen mixture, leaving the reactor.
EFFECT: invention allows to increase the efficiency of energy generation, reduce fuel consumption, reduce losses, associated with insufficient expansion of combustion products in the turbine, improve the reliability of the gas turbine plant.
8 cl, 1 tbl, 1 dwg
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Authors
Dates
2017-07-25—Published
2015-11-13—Filed