Roadway deicing with pressurised gas as source of energy

摘要

Disclosed is apparatus to dispense a de-icing solution by pressurized gas onto a roadway. This is stated to be useful where electrical power for pumping is not available. Typically, storage tank 12 contains de-icing fluid, typically brine. Pressure tank 14 is connected via piping and solenoid valve V1 to tank 12. Nitrogen tank 16 is connected via regulator 28 and solenoid valve V3 to pressure tank 14, which supplies nozzles 18 with brine. Control system details are disclosed.