Patent ID: 6874973

Claim:
A self-propelled soil modifying machine comprising: a machine body ( 1 ) provided with traveling equipment ( 2 ); a soil hopper ( 8 ) mounted to the machine body ( 1 ), into which an excavated soil or a polluted soil to be modified is thrown; a soil conveying device ( 7 ) mounted to the machine body ( 1 ) for conveying the soil charged into the soil hopper ( 8 ); a solid soil conditioner supply device ( 9 ) mounted to said machine body ( 1 ) and adapted to supply a solid soil conditioner to the soil conveyed by the soil conveying device ( 7 ); a mixer ( 3 ) mounted to the machine body ( 1 ) for mixing the soil conveyed through the soil conveying device ( 7 ); a power source unit ( 4 ) mounted to the machine body ( 1 ) for supplying power to said traveling equipment ( 2 ), the soil conveying device ( 7 ) and the mixer ( 3 ); and a liquid soil conditioner supply device including a liquid ejecting means ( 13 ), a liquid supply means ( 11 ) and a liquid tank ( 12 ) connected in series, for ejecting a liquid soil conditioner from the liquid ejecting means ( 13 ) to which the liquid soil conditioner stocked in the liquid tank ( 12 ) is supplied by the liquid supply means ( 11 ), further comprising a rear mixer ( 42 ) for mixing soil discharged from the mixer ( 3 ), wherein said liquid ejecting means ( 13 ) is attached to at least one portion in a passage ranging from the soil hopper ( 8 ) to a discharge portion of the mixer ( 3 ).