DIRECT-DRILLING SPRAY DEVICE, AND PROCESS FOR IMPROVING AND PURIFYING SOIL USING SAME

摘要

The present invention relates to a direct-drilling spray device which comprises: a moving unit having a microorganism reservoir and an air reservoir; and a probe mounted on the moving unit, drilling in soil requiring purification and improvement by driving force of the moving unit, and spraying air and microorganism in the drilled soil by being connected with the microorganism reservoir and the air reservoir.;COPYRIGHT KIPO 2018