Patent ID: 8162531

Claim:
A system for mixing liquid and solid components of contents of a tank, the system comprising: a tank having an increased height and an outer wall, the outer wall having a height greater than a width of the tank, the tank configured to be at least partially filled with the contents; a sump positioned adjacent a floor of the tank; a pump having an inlet operatively connected to the sump, and an outlet, the pump configured to withdraw at least some of the contents of the tank from the sump and discharge the at least some of the contents into the tank; and piping fluidly connected to the outlet of the pump, elevated from a floor of the tank, and secured to one of the outer wall and a roof of the tank, at least one submerged flow generating device secured on the piping and positioned within the tank to be submerged in the contents and operatively connected to the outlet of the pump through the piping, the at least one submerged flow generating device directed at an upwardly-inclined angle and constructed and arranged to discharge the at least some of the contents of the tank, the upwardly-inclined angle selected to generate a first fluid flow pattern of the at least some of the contents of the tank that is generally rotational about a central vertical axis of the tank and a second fluid flow pattern of the at least some of the contents of the tank including an upwardly directed flow in an outer region of the tank.