公开(公告)号：US20230234020A1

公开(公告)日：2023-07-27

申请号：US18010912

申请日：2021-05-25

Applicant: KOREA INSTITUTE OF FUSION ENERGY

Inventor： Yong Cheol HONG ,  Se Min CHUN ,  Geon Woo YANG ,  Hee Jae LEE

IPC: B01J19/12 ,  C01B21/20 ,  H05H1/46

CPC classification number: B01J19/126 ,  C01B21/203 ,  H05H1/461 ,  B01J2219/0898 ,  B01J2219/1239 ,  B01J2219/1227 ,  H05H2245/10

Abstract: Provided is a microwave plasma device, including: a hollow tube that is hollow and irradiated with a microwave; a swirl gas inlet that is located at a lower end portion of the hollow tube and injected with a swirl gas; an axial gas inlet that penetrates through the lower end portion of the hollow tube and injected with an axial gas; and a swirl gas barrier that is located inside the hollow tube, located near where the swirl gas is injected, and extends in a longitudinal direction of the hollow tube, in which a gap g is formed between the swirl gas barrier and the hollow tube, and plasma is generated inside the hollow tube and nitrogen oxide is generated inside the hollow tube.

公开(公告)号：US20230174395A1

公开(公告)日：2023-06-08

申请号：US17906688

申请日：2021-01-29

Applicant: KOREA INSTITUTE OF FUSION ENERGY

Inventor： Yong Cheol HONG ,  Hee Jae LEE ,  Kang Il KIM

IPC: C02F1/46 ,  A61L2/22 ,  A61L2/26 ,  A61L9/22

CPC classification number: C02F1/4608 ,  A61L2/22 ,  A61L2/26 ,  A61L9/22 ,  C02F2303/04 ,  A61L2202/11 ,  A61L2202/15 ,  A61L2209/213 ,  A61L2209/134

Abstract: Disclosed are a disinfection system using plasma-discharged water, and a spray nozzle. The disinfection system using plasma-discharged water is characterized by comprising: a plasma-discharged water generating device; a to-be-treated water supply unit for supplying water to be treated to the plasma-discharged water generating device; a plasma-discharged water ejection unit connected to one side of the plasma-discharged water generating device; and a spray nozzle which is fluid-communicably connected to the plasma-discharged water generating device and supplied with plasma-discharged water from the plasma-discharged water ejection unit, and atomizes and sprays the supplied plasma-discharged water as droplets.

公开(公告)号：US20230328871A1

公开(公告)日：2023-10-12

申请号：US18020059

申请日：2021-08-06

Applicant: Korea Institute of Fusion Energy

Inventor： Dong Hun SHIN ,  Yong Cheol HONG ,  Se Min CHUN ,  Geon Woo YANG ,  Hee Jae LEE

IPC: H05H1/34

CPC classification number: H05H1/3423

Abstract: Disclosed is a plasma generation device. A plasma generation device, according to an exemplary embodiment of the present invention, comprises: an electromagnetic wave generator; a plasma torch which generates plasma by arc discharge; and a waveguide which guides an electromagnetic wave generated by the electromagnetic wave generator to be transmitted to the plasma side, wherein the electromagnetic wave transmitted through the waveguide heats one side portion of the plasma.

公开(公告)号：US20230009958A1

公开(公告)日：2023-01-12

申请号：US17856111

申请日：2022-07-01

Applicant: KOREA INSTITUTE OF FUSION ENERGY

Inventor： Yong Cheol HONG ,  Yong Wook SHIN ,  Kang II KIM ,  Seong II HONG ,  Hee Jae LEE

IPC: C02F1/46 ,  C02F1/28 ,  C02F1/78 ,  C02F1/72

Abstract: A plasma water treatment apparatus includes a plasma generator that generates plasma in water, and a porous dielectric that adsorbs nitrogen oxide generated in the water, surrounds the plasma generator, and includes silicon dioxide powder and carbon powder, thereby removing color of wastewater.

公开(公告)号：US20250011170A1

公开(公告)日：2025-01-09

申请号：US18713059

申请日：2022-11-23

Applicant: KOREA INSTITUTE OF FUSION ENERGY

Inventor： Yong Cheol HONG ,  Geon Woo YANG ,  Yong Wook SHIN ,  Hae Kwang KIM

IPC: C01B21/20 ,  C01B13/11 ,  C05C11/00 ,  C05G5/20 ,  H05H1/48

Abstract: A high-purity NO2 gas generation apparatus, according to the present invention, comprises: an ozone gas generator; a nitrogen oxide gas generator containing NO; and a mixing unit for mixing ozone from the ozone gas generator and gas from the nitrogen oxide gas generator. Gas containing NO2 from the high-purity NO2 gas generation apparatus may be supplied to an apparatus for producing high-concentration activated water and fertilizer water. The apparatus for manufacturing high-concentration activated water and fertilizer water, according to the present invention, comprises: an upright cylindrical column forming a flow path in the longitudinal direction; a water supply unit positioned above the column and supplying water to the flow path; a gas supply unit positioned below the flow path and supplying gas containing NO2 gas; and a discharge port positioned at the lower end of the flow path and discharging a fluid.

公开(公告)号：US20240238750A1

公开(公告)日：2024-07-18

申请号：US18014811

申请日：2021-07-20

Applicant: KOREA INSTITUTE OF FUSION ENERGY

Inventor： Yong Cheol HONG ,  Kang II KIM ,  Geon Woo YANG ,  Hee Jae LEE

IPC: B01J19/08 ,  B01J19/00 ,  C01B21/20 ,  H05H1/48

CPC classification number: B01J19/088 ,  B01J19/0006 ,  C01B21/203 ,  H05H1/482 ,  B01J2219/0801 ,  B01J2219/0809 ,  H05H2245/10

Abstract: A method for controlling nitrogen oxide (NOx) includes adjusting a flow rate of d gas injected into an arc-type plasma generating device, and identifying a concentration of the generated nitrogen oxide, while adjusting an amount of energy per unit flow rate of the injected gas.