Patent ID: 9370806
Filing Date: 2016-06-21
CPC Classification: B08B

Claim Text:
1. A method for cleaning sludge from a tank comprising: providing a tank containing sludge and free fluid, and collecting a free fluid from within the tank; preparing a liquid flow agent using said free fluid; operating said positive displacement pump to initiate a flow of said sludge toward a tank outlet; removing a portion of said sludge from said tank; passing the removed sludge through said grinder pump to simultaneously condition said removed sludge into a slurry by grinding solids in said sludge and pump said slurry from said grinder pump to said positive displacement pump; supercharging said slurry with said positive displacement pump; circulating said supercharged slurry to the jet nozzle in said tank at an increased pressure; jetting said supercharged slurry into said tank to mechanically agitate and motivate sludge in the tank.