FACILITY FOR INCREASED EFFICIENCY OF DIRECT-FLOW OF DRUM DRIER FOR LOOSE MATERIAL Russian patent published in 2010 - IPC F26B11/04 

FIELD: machine building.

SUBSTANCE: direct-flow drum drier consists of rotating cylinder case with its inlet part coupled to heat source and loading chute and equipped with system of screw blades in this part. In the main part of the case there is arranged a system of radial blades; also diametre of an inlet part of the case exceeds as much as twice diametre of the main part of the case. Additional system of radial blades is installed in the inlet part of the case after the system of screw blades. The drum is equipped with a three-facet screen in the first third of length of the main part of the case rotating together with the case; each facet of the screen is covered with the mesh with cells decreasing downstream of dried material motion and is equipped with a blade positioned at 45° to surface of the facet.

EFFECT: accelerated supply of loose material into main part of drum and efficient drying in first third of main part of drum.

2 dwg