Eco-friendly hot steam soil sterilizer with soil shredder

A mechanical technology device for killing pests, harmful bacteria and weed seeds using steam comprising:

• an electric steam boiler comprising a hose pipe;
• a heater comprising an electric coil;
• a plurality of electric motors;
• a hydraulic motor;
• a hydraulic pump;
• a saw;
• wherein the device is configured such that the hydraulic motor is able to rotate the saw to loosen the soil;
• a plurality of steam outlet nozzles and a plurality of needle rods, wherein each outlet nozzle of said plurality of outlet nozzles comprises a corresponding needle rod of said plurality of needle rods;
• wherein each steam outlet nozzle is in each said corresponding needle rod, wherein each corresponding needle rod has a hole formed on the inside, and an outside connected to a steam outlet connection part and an outlet connection screw part and a screw, and, each needle rod further comprises three temperature sensors;
• wherein each outlet nozzle is configured such that steam is able to have a temperature increase by adjusting pressure of the steam by adjusting a pressure by adjusting a diameter of corresponding steam outlets;
• wherein the device is configured to constantly monitor soil temperatures and adjust steam temperatures according;
• and
• wherein the device is configured such that steam is able to penetrate into soil at −50 cm from a ground surface, such the steam heats the soil at an instantaneous temperature to cause a disinfection effect.