| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a soil cleaning apparatus capable of efficiently drying soil after washing while reducing the adverse effect on environment or the human body to the utmost. <P>SOLUTION: The soil cleaning apparatus is provided with a blower 56 for sending air in a washing tank 11 out of the washing tank 11, a cooler 54 for cooling the air from the washing tank 11 to condense and liquefy the gas of an extraction solvent in the air, a heater 55 for heating air cooled by the cooler 54, an activated carbon column 57 for permitting the air heated by the heater 55 to flow to adsorb and remove the gas of the extraction solvent in the air, air supply piping 61 for supplying the air from the activated carbon column 57 to the washing tank 11, a heater 58 for heating the air from the activated carbon column 57 to heat the air in the washing tank 11 and a dryer 38 equipped with a solvent return pump 62 and return piping 63 for supplying the extraction solvent recovered by cooler 54 to a discharge solvent tank 15. <P>COPYRIGHT: (C)2003,JPO</p> |
