FIELD: materials handling facilities. SUBSTANCE: proposed method comes to the following: second flow of dust-like materials with variable delivery is introduced into pipeline, and control of delivery of first flow is made insensitive to disturbance caused by introduction of second flow by direct or indirect setting of first delivery above the point of blowing-in of second. EFFECT: provision of controlled introduction of second flow without disturbing first delivery. 6 cl, 2 dwg
