Patent ID: 7722739

Claim:
A system for evaporating liquid comprising: a liquid holding tank; a chamber comprising a solid walled lower section mounted above the liquid holding tank and an upper section mounted above the lower section, the upper section having an open top and comprising one or more tarps suspended from a solid frame; the solid frame comprising telescoping masts disposed around the outside of the chamber and first, second and third support frames affixed to the masts, the one or more tarps being attached to the second and third support frames such that the one or more tarps raise and lower with the masts; a nozzle system located within the chamber and comprising a plurality of vertically arranged linear nozzle manifolds including a topmost manifold, each manifold carrying a plurality of horizontally oriented nozzles, the topmost manifold being attached to the third support frame, each nozzle configured to produce a liquid spray; screens mounted to the manifolds in front of the nozzles; a pump for pumping liquid from the liquid holding tank to the nozzle system and out through the nozzles; and at least one fan disposed around the chamber below the nozzle system and capable of producing a substantially vertical air flow within the chamber that can move the liquid spray out of the chamber through the open top.