Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1995-12-11
1998-06-23
Warden, Jill
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2218, 134 35, 134 37, B08B 9093
Patent
active
057699585
ABSTRACT:
A tank wetting method for wetting the interior of a tank of a vehicle such that residue from transported substance does not dry on interior surfaces of the tank. The tank wetting method utilizes a tank wetting appartatus (10) including an atomizing device (38) having at least one nozzle (56) disposed within the tank of the vehicle, and a reservoir (12) mounted on the vehicle for holding a liquid such as water. A liquid supply system is provided for selectively supplying water to the atomizing device (38), and an air supply system is provided for selectively supplying air to the atomizing device (38), whereby the atomizing device (38) mixes the air from the air supply system and the liquid from the reservoir (12) and injects the resulting atomized liquid into the interior of the vehicle's tank. In accordance with the method of the present invention, the substance being transported is discharged from the tank (18) of the vehicle, and the tank (18) is sealed such that the tank is substantially airtight. Air from the air brake system of the vehicle and liquid from the reservoir (12) is then simultaneously supplied to the atomizing device (38), whereby the atomizing device injects atomized liquid into the interior of the tank. The tank wetting method generally includes the steps of (1) discharging the transported substance from the tank; (2) sealing the tank such that it can be maintained in an air-tight fashion; (3) pressurizing the tank through injection of an atomized liquid; and (4) maintaining the sealed and pressurized status of the tank until delivery of the tank to a cleaning facility.
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Crawford Ned C.
Luther Gregory A.
Reagan Gary L.
Chaudhry Saeed
Highway Transport, Inc.
Warden Jill
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