TUBE DRIER Russian patent published in 2016 - IPC F26B11/14 F26B17/20 

FIELD: oil industry.

SUBSTANCE: invention can be used in oil refining, petrochemical, chemical and gas industry. Tube drier - horizontal tube shell includes a housing, heat exchange tubes, loading and unloading chambers, drive, nozzle for inlet and outlet of raw material, product, heat carrier. One end of tube shell is connected to a distribution chamber, other end to a separation chamber, and inside heat exchange tubes there are rotating flexible metal spirals, to ends of which are rigidly fixed: on one side - pipes with slots, on other - metal rods fixed in bearings of cover of separation chamber, wherein tubes with slots are arranged in distribution chamber and are connected by means of gear transmission with drive.

EFFECT: invention shall provide high heat transfer efficiency due to direct contact of flue gases with raw material in pipes with intense mixing of product by rotating flexible metal spirals and effective heat exchange in flue gases flowing around pipes in counter flow in annular space.

1 cl, 4 dwg