A review of regenerative gas turbines operating at natural gas pipeline compressor stations across the Russia has been performed. Main performance characteristics, first of all, the power and efficiency of the recuperated gas turbines, many of those have been used up a design service life, can be recovered. Since a large negative effect on the performances is contributed by defective plate-type regenerators, their change seems to be essential when updating gas-pumping units. A tubular regenerator is developed and incorporated into the gas turbines for driving natural gas blowers. The regenerator being installed in place of the plate-type heat exchanger joints a rather simple fabrication process and high durability. Its design features are presented and discussed. Ways to enhance efficiency and decrease the weight of the regenerator are considered.

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