Flotation column special for floating fine flake graphite

The invention relates to a flotation column special for floating fine flake graphite, belonging to the technical field of graphite flotation; the flotation column disclosed by the invention is mainly composed of a mixing device, a static mineralizing machine, an upper column body, a scraping device, a distributor, a lower column body, a gangue discharging device, a middle column body, a dosing device and a PLC (programmable logic controller) control case; the mixing device is composed of a mixing pipe, a nozzle, a throat pipe and an expanding pipe; the static mineralizing machine is composed of a case body, a variable-diameter amplifier, a baffle board, an uniform distribution board and a discharging pipe; the upper column body is composed of an upper barrel body, a finished ore groove and a static charging device; the scraping device is composed of a motor, a decelerator, an output shaft and a scraper; and the distributor is composed of a distributing pipe, an electric valve, an electric contact pressure gauge, a circular pump and a micro-bubble generator. According to the invention, the flotation column has the advantages of good raw ore and medicament mineralizing effect, small charging kinetic energy, large cyclone force field, good flotation effect and large treatment quantity.