US 11,785,896 B2
Eco-friendly hot steam soil sterilizer with soil shredder
Yoo Shin Kim, Daegu (KR); Young Hwan Kim, Daegu (KR); Steven A. Fennimore, Salinas, CA (US); and Suk Kyu Song, Daegu (KR)
Assigned to Yoo Shin Kim, Daegu (KR)
Filed by Yoo Shin Kim, Daegu (KR)
Filed on Nov. 16, 2021, as Appl. No. 17/527,931.
Claims priority of application No. 10-2020-0154557 (KR), filed on Nov. 17, 2020.
Prior Publication US 2022/0167568 A1, Jun. 2, 2022
Int. Cl. A01G 11/00 (2006.01); A01M 1/20 (2006.01); A01M 21/04 (2006.01)
CPC A01G 11/00 (2013.01) [A01M 1/2094 (2013.01); A01M 21/04 (2013.01)] 3 Claims
OG exemplary drawing
 
1. 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.