Square bottom high cut emulsifying tank adopts high speed flow section to disperse and emulsify. The rotor guides flow out, which provide the liquid a verticle high speed cut to avoid the quality difference between the upper and lower layer. The high quality emulsifying work head at the rotation speed high up to 14502900r/min, which have good dissolving and emulsifying effect on the suger, milk powder and condiments production. It is the high efficient machine among the equipments.