FOAM GENERATOR Russian patent published in 2008 - IPC B28C5/38 

FIELD: construction, particularly foam generator structures used for aerated concrete production.

SUBSTANCE: foam generator comprises body with inlet and outlet pipes filled with expanding agent. The body is made of high-alloy steel and is shaped as cylinder with ends passing into truncated cones. Grids having 2-4 mm thicknesses are arranged in area of cylindrical body section passage into conical one. The grids have 4-5 mm orifices. Air supply pipe is built in cylindrical body section over lower grid and spaced a distance equal to two cylinder diameters therefrom. Cylinder diameter/length ratio is 1:20. The expanding agent is high-alloy steel cuttings shaped as commas with sharpened edges. Cuttings have 0.2-0.3 mm thicknesses, 2-3 mm widths and 5-15 mm lengths.

EFFECT: simplified structure.

1 dwg