The disclosure extends to systems, methods, and devices for mixing a fluid. The system comprises a tank conduit suspended in a tank for receiving a mixture comprising a liquid, wherein the tank holds the mixture. The system comprises a rigid casing configured to surround the tank and a pump attached to the rigid casing. The system includes a suction inlet and a discharge outlet attached to the pump, wherein the pump creates a negative pressure that draws the mixture into the pump through the suction inlet and the pump creates a positive pressure that dispels the mixture out of the pump through the discharge outlet.

The disclosure extends to systems, methods, and devices for mixing a fluid. The system comprises a tank conduit suspended in a tank for receiving a mixture comprising a liquid, wherein the tank holds the mixture. The system comprises a rigid casing configured to surround the tank and a pump attached to the rigid casing. The system includes a suction inlet and a discharge outlet attached to the pump, wherein the pump creates a negative pressure that draws the mixture into the pump through the suction inlet and the pump creates a positive pressure that dispels the mixture out of the pump through the discharge outlet.

An arrangement for melting and cleaning a substance, such as natural sugar. The arrangement comprises a mesh belt for transporting the substance through a heating station for heating the substance so that a dissolved phase of the substance is separated from impurities in the substance through the mesh of the mesh belt substantially simultaneously.