DEVICE FOR PREVENTION OF SCALE FORMATION Russian patent published in 2006 - IPC F28G7/00 

FIELD: heat engineering, applicable for prevention of salt deposits (scale) on working heating surfaces of the heat-exchange equipment-steam boilers, heat exchangers, hot-water heaters, fodder steamers, etc.

SUBSTANCE: the device for prevention of scale formation has a yoke fastened at the end of the waveguide, and closed from two sides with flanges that are interconnected by a branch pipe having a duct for supply of compressed air with the aid of a bent nozzle soldered in it in the radial direction and made with an annular race rolled around by a ball, the ball is made of ferromagnetic material and machined in a static magnetic field with an intensity of 100-120 kA/m within an hour.

EFFECT: provided stability of frequency and amplitude of excited oscillations, enhanced reliability of operation.

2 dwg