DEVICE FOR AERATION OF MORTAR Russian patent published in 1997 - IPC

FIELD: devices for preparation of mortars. SUBSTANCE: device for aeration of mortar has cylindrical body with liquid material inlet located above partition, discharge device, gas inlet, drive shaft with paddles and partition. Partition is made in form of disk installed on the shaft between paddles in a spaced relation to body inner surface. Discharge device is located in the body upper part. Disk may be located with annular gap relative to body inner surface with an area amounting to 3-15% of the circle limited by circumference of the inner cylindrical surface of the body. EFFECT: higher efficiency. 2 cl, 1 dwg, 1 tbl