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在日本创制了一种用于蒸汽燃气联合循环装置的试验性工业用高温燃气轮机。在该燃气轮机中采用了两次燃烧、压缩气中间冷却的循环方式。在单独工况下,燃气轮机效率为39.4％。该燃气轮机采用双轴同心布置。在带动发电机的低压轴上,布置了中压透平、低压透平和低压压气机。高压轴将高压透平与高压压气机相连。在低压压气机(压比4.8)与高压压气机(压比11.6)之间设有蒸发式空气中间冷却器。在冷却器中对气流喷水(10.4公斤/秒)。在低压透平前的低压燃烧室中对工质进行再热。图1是该试验性
A pilot industrial high-temperature gas turbine for steam-gas combined cycle plant was created in Japan. In the gas turbine used in two combustion, compressed air between the cooling cycle. Gas turbine efficiency was 39.4% under separate operating conditions. The gas turbine is biaxially concentric. On the low pressure shaft that drives the generator, medium pressure turbines, low pressure turbines and low pressure compressors are arranged. The high pressure shaft connects the high pressure turbine to the high pressure compressor. An evaporative air intercooler is provided between the low pressure compressor (pressure ratio 4.8) and the high pressure compressor (pressure ratio 11.6). Air flow in cooler (10.4 kg / sec). The working fluid is reheated in the low-pressure combustion chamber before the low-pressure turbine. Figure 1 is the experimental