The invention discloses a double-jet
powder feeding device, which belongs to the technical field of
water treatment, and comprises a gas-liquid separation
buffer tank for performing gas-liquid separation on mixed
slurry, and an exhaust port is formed in the gas-liquid separation
buffer tank; the first jet mixing mechanism is used for preliminarily mixing
powder and the first
water flow; the
water supply mechanism is used for mixing water; one end of the second mixing piece is connected with a water outlet of the gas-liquid separation
buffer tank; the first jet mixing mechanism comprises a first mixing piece connected with the gas-liquid separation buffer tank at one end and a feeding
assembly used for feeding
powder to the first mixing piece, and the other end of the first mixing piece and the other end of the second mixing piece are both connected with a water outlet of the
water supply mechanism; and the second mixing piece can be used for secondarily mixing the buffered and separated liquid-
solid mixed liquid and the second
water flow and pressurizing and throwing out the liquid-
solid mixed liquid and the second
water flow. The device has the effects of effectively solving gas interference, preventing blockage and
reflux, and realizing stable, efficient and
continuous feeding.