Appliance for temperature control of the air mix of a mill fan

摘要

In order to obtain, in an appliance, containing a body, for the temperature control of the air mix of a mill fan, a wide control range and at the same time make it possible to regulate the degree of dressing of the fuel, there is inserted in the body an aerodynamic body having a vortex system which consists of immobile blades fixed to the aerodynamic body and of mobile blades which are joined in a rotationally mobile manner to the aerodynamic body and are linked to the body by shafts, likewise in a rotationally mobile manner. <IMAGE>