in a counter-flow of the gas or vapour

Full Title

Drying solid materials or objects by processes involving the application of heat > by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air > the materials or objects to be dried being moved by gravity > in a counter-flow of the gas or vapour

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

DRYING

Subclass:

DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM