Apparatus and method for injecting dry particulate material in a

Details Apparatus and method for injecting dry particulate material in a Apparatus and method for injecting dry particulate material in a

1994-10-14

1995-11-21

Jenkins, Robert W.

Agitating

In vacuum chamber

3661551, 3661631, 3661813, B01F 1306

Patent

active

054680662

ABSTRACT:
An apparatus and method for injecting dry particulate material into a fluid flow line including a removable material supply unit (18) having an outer rigid container (55) and a sealed flexible bag (54) for the dry particulate material. The removable material supply unit (18) is mounted on a container support (13) above a mixing chamber (12) with a valve member (40) controlling the flow or dispensing of the dry particulate material into the mixing chamber (12). A pump (32) when energized exerts a vacuum in the mixing chamber (12). Water enters the mixing chamber (12) from an elliptical discharge opening (10) tangential to mixing chamber (12) to provide a vortex. Pump (32) exerts a vacuum within the mixing chamber (12) above the level of the water so that any upward migration of moisture from the water in the mixing chamber (12) is prevented by the vacuum when pump (30) is energized. Additional mixing occurs in a dynamic mixing manifold (28) to provide a solution of the dry particulate material within the water for injection of the solution within a pressurized fluid flow line (35) to a suitable facility (S).

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