Apparatus and method for centrally feeding a tank such as a round coarse trap, a round coarse classifier or a sedimentation tank, and a method of using the same

摘要

PCT No. PCT/EP93/01390 Sec. 371 Date Aug. 16, 1994 Sec. 102(e) Date Aug. 16, 1994 PCT Filed Jul. 21, 1993 PCT Pub. No. WO94/02251 PCT Pub. Date Feb. 3, 1994A device for centrically charging tanks (9) with a spin chamber (1, 10) connected to an inlet (20) and to a vertical downpipe (2, 12) ending seamlessly in a trumpet-shaped mouth (3, 18). Rotary flow charges circular settlement tanks and sand sorters and sedimentation tanks in such a way that the Coanda effect is activated at the trumpet-shaped mouth (3, 18) and in turn causes the rotary outflow of fluid from the vertical pipe (2, 12) to be diverted into the horizontal plane or vertically upwards as well as a radially symmetrical flow in the tank (9). There is a guiding pipe (14, 16) in the downpipe (2, 12) with preferably circular apertures around its periphery and which is open to the atmosphere at the top.