Detergent mixing apparatus

Claim 2

A detergent mixing apparatus for use with a pressurized water source, comprising: a mixing tank; a pair of liquid chemical supply containers each accommodating a liquid chemical composition; a first water supply conduit for connecting a pressurized water source with said mixing tank; a pair of venturi chambers disposed within said first water supply conduit and arranged for parallel flow, each of said venturi chambers having a suction port in fluid communication, respectively, with one of said liquid chemical supply containers for drawing the liquid chemical composition from each said chemical supply containers as pressurized water passes through said venturi chambers and entraining the liquid chemical compositions in the pressurized water; and, a first float-actuated control valve operably connected to said water supply conduit for terminating the flow of water and entrained liquid chemical compositions through said water supply conduit when the liquid level in said mixing tank reaches a first predetermined height.

Claim 3

The detergent mixing apparatus according to claim 1 further comprising: a manifold in said first water supply conduit upstream from said pair of venturi chambers; and, a valve in said manifold adapted to provide a flow of air to said pair of venturi chambers when said first float-actuated control valve is closed.

Claim 4

The detergent mixing apparatus according to claim 1 wherein said first float-actuated control valve is connected to said water supply conduit upstream from said venturi chamber.

Claim 5

The detergent mixing apparatus according to claim 1 further comprising at least one metering insert serially connected between one of said liquid chemical supply containers and one of said pair of venturi chambers, said metering insert having an orifice of predetermined dimensions for controlling the rate of flow of liquid chemical composition therethrough.

Claim 6

The detergent mixing apparatus according to claim 1 wherein one of said pair of liquid chemical supply containers comprises: a dissolution tank for dissolving powdered chemicals in water, said dissolution tank having an opening in its upper end for the admission of the powdered chemicals; a second water supply conduit for connecting a pressurized water source with said dissolution tank; and, a second float-actuated control valve operably connected to said second water supply conduit for terminating the flow of water from said second water supply conduit into said dissolution tank when the liquid level in said dissolution tank reaches a predetermined height.

Claim 7

The detergent mixing apparatus according to claim 5 further comprising a motor-driven propeller positioned within said dissolution tank to aid in dissolving powdered chemical compositions placed therein.

Claim 8

The detergent mixing apparatus according to claim 5 further comprising an air supply conduit for connecting a pressurized air source with said dissolution tank so that pressurized air may stir the contents of said dissolution tank, said air supply conduit having a discharge outlet adapted for suspension beneath the top of said dissolution tank.

Claim 9

The detergent mixing apparatus according to claim 7 wherein said second float-actuated control valve includes a primary water discharge port open to the interior of said dissolution tank and a secondary water discharge port in fluid communication with said air supply conduit for rinsing said discharge outlet.

Claim 10

A detergent mixing apparatus, comprising: a mixing tank; a first water supply conduit adapted for connecting a pressurized water source with said mixing tank; a pair of liquid chemical supply containers each accommodating a liquid chemical, one of said plurality of liquid chemical supply containers being a dissolution tank for dissolving powdered chemicals in water, said dissolution tank having an opening in its upper end for the admission of a powdered chemical composition; a second water supply conduit adapted for connecting a pressurized water source with said dissolution tank; a pair of venturi chambers disposed within said first water supply conduit and arranged for parallel flow, each of said venturi chambers having a suction port in fluid communication, respectively, with one of said liquid chemical supply containers for drawing the liquid chemical composition from each said chemical supply containers as pressurized water passes through said venturi chambers and entraining the liquid chemical compositions in the pressurized water; and, a first float-actuated control valve operably connected to said water supply conduit for terminating the flow of water and entrained liquid chemical compositions through said water supply conduit when the liquid level in said mixing tank reaches a first predetermined height.

Claim 11

A detergent mixing apparatus, comprising: a mixing tank; a first water supply conduit adapted for connecting a pressurized water source with said mixing tank; a pair of liquid chemical supply containers each accommodating a liquid chemical, one of said plurality of liquid chemical supply containers being a dissolution tank for dissolving powdered chemicals in water, said dissolution tank having an opening in its upper end for the admission of a powdered chemical composition; a second water supply conduit adapted for connecting a pressurized water source with said dissolution tank; a pair of venturi chambers disposed within said first water supply conduit and arranged for parallel flow, each of said venturi chambers having a suction port in fluid communication, respectively, with one of said liquid chemical supply containers for drawing the liquid chemical composition from each said chemical supply containers as pressurized water passes through said venturi chambers and entraining the liquid chemical compositions in the pressurized water; and, a first float-actuated control valve operably connected to said water supply conduit for terminating the flow of water and entrained liquid chemical compositions through said water supply conduit when the liquid level in said mixing tank reaches a first predetermined height.

Claim 12

The detergent mixing apparatus according to claim 9 further comprising: a manifold in said first water supply conduit upstream from said pair of venturi chambers; and, a valve in said manifold adapted to provide a flow of air to said pair of venturi chambers when said first float-actuated control valve is closed.

Claim 13

The detergent mixing apparatus according to claim 9 further comprising at least one metering insert serially connected between one of said liquid chemical supply containers and one of said pair of venturi chambers, said metering insert having an orifice of predetermined dimensions for controlling the rate of flow of liquid chemical composition therethrough.

Claim 14

The detergent mixing apparatus according to claim 9 further comprising a motor-driven propeller positioned within said dissolution tank to aid in dissolving chemical compositions placed therein.

Claim 15

The detergent mixing apparatus according to claim 9 further comprising an air supply conduit for connecting a pressurized air source with said dissolution tank so that pressurized air may stir the contents of said dissolution tank, said air supply conduit having a discharge outlet adapted for suspension beneath the top of said dissolution tank.

Claim 16

The detergent mixing apparatus according to claim 13 wherein said second float-actuated control valve includes a primary water discharge port open to the interior of said dissolution tank and a secondary water discharge port in fluid communication with said air supply conduit for rinsing said discharge outlet.

Claim 17

A detergent mixing apparatus for use with a pressurized water source, comprising: a plurality of mixing tanks; a pair of liquid chemical supply containers each accommodating a liquid chemical; a plurality of first water supply conduits for connecting a pressurized water source with each of said plurality of mixing tanks; a plurality of venturi chambers, one of said plurality of venturi chambers disposed within each of said first water supply conduits, each of said venturi chambers having a pair of suction ports in fluid communication, respectively, with one of said pair of liquid chemical supply containers for drawing the liquid chemical from said pair of liquid chemical supply containers as pressurized water passes through said venturi chamber and entraining the liquid chemical in the pressurized water; and, a plurality of first float-actuated control valves, one of said plurality of first float-actuated control valves operably connected to each of said first water supply conduits for terminating the flow of water and entrained liquid chemicals to each one of said mixing tanks when the liquid level in each one of said mixing tanks reaches a first predetermined height.

Claim 18

A detergent mixing apparatus for use with a pressurized water source, comprising: a plurality of mixing tanks; a pair of liquid chemical supply containers each accommodating a liquid chemical; a plurality of first water supply conduits for connecting a pressurized water source with each of said plurality of mixing tanks; a plurality of venturi chambers, one of said plurality of venturi chambers disposed within each of said first water supply conduits, each of said venturi chambers having a pair of suction ports in fluid communication, respectively, with one of said pair of liquid chemical supply containers for drawing the liquid chemical from said pair of liquid chemical supply containers as pressurized water passes through said venturi chamber and entraining the liquid chemical in the pressurized water; and, a plurality of first float-actuated control valves, one of said plurality of first float-actuated control valves operably connected to each of said first water supply conduits for terminating the flow of water and entrained liquid chemicals to each one of said mixing tanks when the liquid level in each one of said mixing tanks reaches a first predetermined height.

Claim 19

The detergent mixing apparatus according to claim 15 further comprising: a plurality of manifolds each, respectively, positioned in one of said first water supply conduits upstream from said pair of venturi chambers; and, a plurality of valves each, respectively, positioned in one of said manifolds and adapted to provide a flow of air to said pair of venturi chambers when said first float-actuated control valve is closed.

Claim 20

The detergent mixing apparatus according to claim 15 further comprising at least one metering insert serially connected between one of said liquid chemical supply containers and one of said venturi chambers, said metering insert having an orifice of predetermined dimensions for controlling the rate of flow of liquid chemical composition therethrough.

Claim 21

The detergent mixing apparatus according to claim 15 wherein one of said pair of liquid chemical supply containers comprises: a dissolution tank for dissolving powdered chemicals in water, said dissolution tank having an opening in its upper end for the admission of the powdered chemicals; a second water supply conduit for connecting a pressurized water source with said dissolution tank; and, a second float-actuated control valve operably connected to said second water supply conduit for terminating the flow of water from said second water supply conduit into said dissolution tank when the liquid level in said dissolution tank reaches a predetermined height.

Claim 22

The detergent mixing apparatus according to claim 15 further comprising a motor-driven propeller positioned within said dissolution tank to aid in dissolving chemical compositions placed therein.

Claim 23

The detergent mixing apparatus according to claim 15 further comprising an air supply conduit for connecting a pressurized air source with said dissolution tank so that pressurized air may stir the contents of said dissolution tank, said air supply conduit having a discharge outlet adapted for suspension beneath the top of said dissolution tank.