GENERAL-PURPOSE RECUPERATOR ASSEMBLY FOR WASTE GASES OF GAS TURBINE Russian patent published in 2013 - IPC F28F27/02 

FIELD: heating.

SUBSTANCE: recuperator includes a heated gas channel; an inlet pipeline; an outlet pipeline; as well as a once-through heating surface located in the heated gas channel and formed with a variety of the first single-row tube-header assemblies and a variety of the second single-row tube-header assemblies. Each of the variety of the first single-row tube-header assemblies including a variety of the first generator heat exchange tubes is parallel connected for passage of through fluid medium flow; as well as it includes an inlet header connected to the inlet pipeline. Each of the variety of the second single-row tube-header assemblies including the variety of the second heat exchange tubes is parallel connected for passage of through fluid medium flow entering from the corresponding first heat exchange tubes; as well as it includes an outlet header connected to the outlet pipeline. Each of the inlet headers is connected to the inlet pipeline via at least one corresponding tube of the variety of the first connecting tubes, and each of the outlet headers is connected to the outlet pipeline at least via one corresponding tube of the variety of the second connecting tubes.

EFFECT: quick heating and cooling and increase in the service life.

22 cl, 7 dwg