Patents by Inventor Do-Won Shun
Do-Won Shun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11333349Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.Type: GrantFiled: May 2, 2019Date of Patent: May 17, 2022Assignees: Korea Institute of Industrial Technology, Korea Institute of Energy Research, Korea Institute of Machinery & MaterialsInventors: Uen Do Lee, Byeong Ryeol Bang, Young Doo Kim, Soo Hwa Jeong, Chang Won Yang, Jae Goo Lee, Tae Young Mun, Myung Won Seo, Ji Hong Moon, Hyun Seol Park, Joon Mok Shim, Young Cheol Park, Do Won Shun, Jong Ho Moon, Dal Hee Bae, Sung Ho Jo, Yun Tae Hwang, Sang In Keel, Jin Han Yun, ChungKyu Lee, Pil Woo Heo
-
Patent number: 10852211Abstract: Disclosed herein are an apparatus and method for gas leakage measurement in a high pressure reactor. In particular, the present invention relates to an apparatus for gas leakage measurement in a high pressure reactor including: a gas inlet; a first valve equipped to one side of the gas inlet; a flowmeter; a pressure gauge measuring an internal pressure of the reactor; a gas outlet; and a second valve, wherein if in internal pressure reaches a preset pressure by closing the second valve and injecting a gas to the reactor through the flowmeter in the state of opening the first valve, the gas leakage status in the reactor is measured through pressure changes in the pressure gauge after closing the first valve.Type: GrantFiled: June 18, 2018Date of Patent: December 1, 2020Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Doyeon Lee, Gyoung-tae Jin, Chang-keun Yi, Do-won Shun, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, Young Cheol Park, Jong-ho Moon, Dong-ho Lee
-
Publication number: 20200025366Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.Type: ApplicationFiled: May 2, 2019Publication date: January 23, 2020Applicants: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, KOREA INSTITUTE OF ENERGY RESEARCH, KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Uen Do LEE, Byeong Ryeol BANG, Young Doo KIM, Soo Hwa JEONG, Chang Won YANG, Jae Goo LEE, Tae Young MUN, Myung Won SEO, Ji Hong MOON, Hyun Seol PARK, Joon Mok SHIM, Young Cheol PARK, Do Won SHUN, Jong Ho MOON, Dal Hee BAE, Sung Ho JO, Yun Tae HWANG, Sang In KEEL, Jin Han YUN, ChungKyu LEE, Pil Woo HEO
-
Publication number: 20190323916Abstract: Disclosed herein are an apparatus and method for gas leakage measurement in a high pressure reactor. In particular, the present invention relates to an apparatus for gas leakage measurement in a high pressure reactor including: a gas inlet; a first valve equipped to one side of the gas inlet; a flowmeter; a pressure gauge measuring an internal pressure of the reactor; a gas outlet; and a second valve, wherein if in internal pressure reaches a preset pressure by closing the second valve and injecting a gas to the reactor through the flowmeter in the state of opening the first valve, the gas leakage status in the reactor is measured through pressure changes in the pressure gauge after closing the first valve.Type: ApplicationFiled: June 18, 2018Publication date: October 24, 2019Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung RYU, Doyeon LEE, Gyoung-tae JIN, Chang-keun YI, Do-won SHUN, Jae-hyeon PARK, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, Young Cheol PARK, Jong-ho MOON, Dong-ho LEE
-
Patent number: 10415822Abstract: Disclosed are an apparatus and a method for measuring the height of a solid bed in a high-temperature and high-pressure fluidized bed system, and a fluidized bed system having the solid bed height measuring apparatus. The solid bed height measuring apparatus includes a lower pressure probe mounted at an upper side as high as a first height from a gas distributor of a fluidized bed reactor to measure pressure of the mounted location, and a middle pressure probe mounted at an upper side as high as a second height from the lower probe to measure pressure of the mounted location. An upper pressure probe is mounted at the top of the fluidized bed reactor to measure the inside pressure of the fluidized bed reactor. First and second differential pressure gauges are used for measuring differential pressures.Type: GrantFiled: April 20, 2016Date of Patent: September 17, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Dong-ho Lee, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, Young Cheol Park, Jong-ho Moon
-
Patent number: 10307768Abstract: The present invention relates to a CLC and operation method thereof equipped with a loop seal separator using magnetic oxygen carrier particles and a magnetic separator. And more particularly, the present invention relates to a loop seal separator using magnetic oxygen carrier particles and a magnetic separator, wherein the loop seal separator comprises a duct into which the ash and magnetic oxygen carrier particles, discharged from a reducer, flow; a magnetic separator to separate the ash from the magnetic oxygen carrier particles, flowing into the duct, by magnetic material; an ash discharge pipe to discharge the ash, separated by the magnetic separator; and an oxygen-carrier-particle discharge pipe to encourage the magnetic oxygen carrier particles, separated by the magnetic separator, to flow into an oxidizer.Type: GrantFiled: April 27, 2017Date of Patent: June 4, 2019Assignee: Korea Institute of Energy ResearchInventors: Ho-Jung Ryu, Keun-hee Han, Gyoung-tae Jin, Chang-keun Yi, Do-won Shun, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, Young Cheol Park, Jong-ho Moon, Do Yeon Lee, Hyo Jin Lee, Dong-ho Lee, Jeom In Baek
-
Patent number: 10143986Abstract: The present invention relates to a fluidized bed system having a sparger capable of minimizing a blockage by solids and controlling method thereof.Type: GrantFiled: August 29, 2017Date of Patent: December 4, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-Jung Ryu, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, Chang-keun Yi, Gyoung-tae Jin, Do-won Shun, Jae-hyeon Park, Young Cheol Park, Jong-ho Moon, Hyo Jin Lee, Do Yeon Lee, Dong-ho Lee, Jeom In Baek
-
Publication number: 20180283682Abstract: The present invention relates to a CLC and operation method thereof equipped with a loop seal separator using magnetic oxygen carrier particles and a magnetic separator. And more particularly, the present invention relates to a loop seal separator using magnetic oxygen carrier particles and a magnetic separator, wherein the loop seal separator comprises a duct into which the ash and magnetic oxygen carrier particles, discharged from a reducer, flow; a magnetic separator to separate the ash from the magnetic oxygen carrier particles, flowing into the duct, by magnetic material; an ash discharge pipe to discharge the ash, separated by the magnetic separator; and an oxygen-carrier-particle discharge pipe to encourage the magnetic oxygen carrier particles, separated by the magnetic separator, to flow into an oxidizer.Type: ApplicationFiled: April 27, 2017Publication date: October 4, 2018Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-Jung RYU, Keun-hee HAN, Gyoung-tae JIN, Chang-keun YI, Do-won SHUN, Jae-hyeon PARK, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, Young Cheol PARK, Jong-ho MOON, Do Yeon LEE, Hyo Jin LEE, Dong-ho LEE, Jeom In BAEK
-
Publication number: 20180272304Abstract: The present invention relates to a fluidized bed system having a sparger capable of minimizing a blockage by solids and controlling method thereof.Type: ApplicationFiled: August 29, 2017Publication date: September 27, 2018Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-Jung RYU, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, Chang-keun YI, Gyoung-tae JIN, Do-won SHUN, Jae-hyeon PARK, Young Cheol PARK, Jong-ho MOON, Hyo Jin LEE, Do Yeon LEE, Dong-ho LEE, Jeom In BAEK
-
Patent number: 10046968Abstract: A desulfurization system removes sulfur ingredients included in synthetic gas generated from gasification of coal in a high temperature dry state. The system includes a desulfurization reactor, a desulfurization cyclone, and first and second regeneration reactors branched with the desulfurization cyclone. A first oxidizing agent is injected to a first oxidizing agent inlet of the first regeneration reactor, and a second oxidizing agent is injected to a second oxidizing agent inlet of the second regeneration reactor. A controller operates one of the first and second regeneration reactors in a regeneration mode, controlling the other to operate in a desulfurization mode.Type: GrantFiled: August 10, 2016Date of Patent: August 14, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Dong-ho Lee, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, Young Cheol Park, Jong-ho Moon, Hyo Jin Lee, Jeom In Baek
-
Patent number: 9963400Abstract: A system for preventing a catalyst from overheating is provided. The system includes: a first reactor filled with a catalyst at least in part and configured to receive reaction gas and produce product gas; and a second reactor configured to cool a catalyst discharged from the first reactor. The catalyst is circulated between the first reactor and the second reactor by injecting the catalyst cooled in the second reactor into the first rector.Type: GrantFiled: August 26, 2016Date of Patent: May 8, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Dong-ho Lee, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Ji-bong Joo
-
Publication number: 20170268768Abstract: Disclosed are an apparatus and a method for measuring the height of a solid bed in a high-temperature and high-pressure fluidized bed system, and a fluidized bed system having the solid bed height measuring apparatus. The solid bed height measuring apparatus includes a lower pressure probe mounted at an upper side as high as a first height from a gas distributor of a fluidized bed reactor to measure pressure of the mounted location, and a middle pressure probe mounted at an upper side as high as a second height from the lower probe to measure pressure of the mounted location. An upper pressure probe is mounted at the top of the fluidized bed reactor to measure the inside pressure of the fluidized bed reactor. First and second differential pressure gauges are used for measuring differential pressures.Type: ApplicationFiled: April 20, 2016Publication date: September 21, 2017Inventors: Ho-jung RYU, Dong-ho LEE, Gyoung-tae JIN, Do-won SHUN, Chang-keun YI, Jae-hyeon PARK, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, Young Cheol PARK, Jong-ho MOON
-
Patent number: 9725374Abstract: A system for preventing a catalyst from overheating is provided. The system includes: a first reactor filled with a catalyst at least in part and configured to receive reaction gas and produce product gas; and a second reactor configured to cool a catalyst discharged from the first reactor. The catalyst is circulated between the first reactor and the second reactor by injecting the catalyst cooled in the second reactor into the first rector.Type: GrantFiled: November 13, 2014Date of Patent: August 8, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Dong-ho Lee, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Ji-bong Joo
-
Patent number: 9683737Abstract: A chemical looping combustion apparatus for solid fuels using different oxygen carriers is provided. The chemical looping combustion apparatus includes: a solid fuel chemical looping combustor configured to receive solid fuels and to produce carbon dioxide and steam by combustion of the solid fuels; a gaseous fuel chemical looping combustor configured to receive gaseous fuels and to produce carbon dioxide and steam by combustion of the gaseous fuels; and a devolatilization reactor configured to produce solids and gases by devolatilizing the solid fuels, and the solid fuels received by the solid fuel chemical looping combustor and the gaseous fuels received by the gaseous fuel chemical looping combustor are the solids and the gases produced by the devolatilization reactor, respectively. Accordingly, a reaction rate and an amount of oxygen transfer can increase, and necessity for low-priced oxygen carriers and a make-up cost of low-priced oxygen carriers can be reduced.Type: GrantFiled: July 1, 2014Date of Patent: June 20, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Gyoung-tae Jin, Chang-keun Yi, Do-won Shun, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Dong-ho Lee, Ji-bong Joo
-
Publication number: 20170044014Abstract: A desulfurization system removes sulfur ingredients included synthetic gas generated from gasification of coal in a high temperature dry state. The system includes a desulfurization reactor, a desulfurization cyclone, and first and second regeneration reactors branched in the desulfurization cyclone. A first oxidizing agent is injected to a first oxidizing agent inlet of the first regeneration reactor, and a second oxidizing agent is injected to a second oxidizing agent inlet of the second regeneration reactor. A controller operates one of the first and second regeneration reactors in a regeneration mode, controlling the other to operate in a desulfurization mode.Type: ApplicationFiled: August 10, 2016Publication date: February 16, 2017Inventors: Ho-jung RYU, Dong-ho LEE, Gyoung-tae JIN, Do-won SHUN, Chang-keun YI, Jae-hyeon PARK, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, Young Cheol PARK, Jong-ho MOON, Hyo Jin Lee, Jeom In Baek
-
Publication number: 20160362348Abstract: A system for preventing a catalyst from overheating is provided. The system includes: a first reactor filled with a catalyst at least in part and configured to receive reaction gas and produce product gas; and a second reactor configured to cool a catalyst discharged from the first reactor. The catalyst is circulated between the first reactor and the second reactor by injecting the catalyst cooled in the second reactor into the first rector.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Inventors: Ho-jung RYU, Dong-ho LEE, Gyoung-tae JIN, Do-won SHUN, Chang-keun YI, Jae-hyeon Park, Dal-hee BAE, Sung-ho JO, Seung-yong LEE, YoungCheol PARK, Jong-ho MOON, Ji-bong JOO
-
Publication number: 20160046540Abstract: A system for preventing a catalyst from overheating is provided. The system includes: a first reactor filled with a catalyst at least in part and configured to receive reaction gas and produce product gas; and a second reactor configured to cool a catalyst discharged from the first reactor. The catalyst is circulated between the first reactor and the second reactor by injecting the catalyst cooled in the second reactor into the first rector.Type: ApplicationFiled: November 13, 2014Publication date: February 18, 2016Inventors: Ho-jung Ryu, Dong-ho Lee,, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Ji-bong Joo
-
Patent number: 9192904Abstract: A fluidized bed reactor is provided. The fluidized bed reactor includes a screw conveyor configured to penetrate through an upper portion of the fluidized bed reactor and to discharge solid particles to an outside from the fluidized bed reactor. The screw conveyor is configured to have an upper end protrude from the upper portion of the fluidized bed reactor and a lower end located at a height equal to or higher than a height of a distributor of the fluidized bed reactor.Type: GrantFiled: November 13, 2014Date of Patent: November 24, 2015Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-jung Ryu, Dong-ho Lee, Gyoung-tae Jin, Do-won Shun, Chang-keun Yi, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Ji-bong Joo
-
Publication number: 20150010873Abstract: A chemical looping combustion apparatus for solid fuels using different oxygen carriers is provided. The chemical looping combustion apparatus includes: a solid fuel chemical looping combustor configured to receive solid fuels and to produce carbon dioxide and steam by combustion of the solid fuels; a gaseous fuel chemical looping combustor configured to receive gaseous fuels and to produce carbon dioxide and steam by combustion of the gaseous fuels; and a devolatilization reactor configured to produce solids and gases by devolatilizing the solid fuels, and the solid fuels received by the solid fuel chemical looping combustor and the gaseous fuels received by the gaseous fuel chemical looping combustor are the solids and the gases produced by the devolatilization reactor, respectively. Accordingly, a reaction rate and an amount of oxygen transfer can increase, and necessity for low-priced oxygen carriers and a make-up cost of low-priced oxygen carriers can be reduced.Type: ApplicationFiled: July 1, 2014Publication date: January 8, 2015Inventors: Ho-jung Ryu, Gyoung-tae Jin, Chang-keun Yi, Do-won Shun, Jae-hyeon Park, Dal-hee Bae, Sung-ho Jo, Seung-yong Lee, YoungCheol Park, Jong-ho Moon, Dong-ho Lee, Ji-bong Joo
-
Patent number: 8726536Abstract: An apparatus for drying particles in a fluidized state includes a particle input segment into which wet particles are input, a drying segment having a multi-perforated plate dividing an inner space of the drying segment into an upper section and a lower section, a plurality of upper partition plates partitioning the upper section and positioned above the multi-perforated plate, a plurality of lower partition plates in the lower section respectively corresponding to the plurality of upper partition plates, a plurality of pairs of channel plates in the lower section that pass through the multi-perforated plate such that each pair of the plurality of pairs of channel plates are respectively arranged on opposite sides of respective ones of the plurality of upper partition plates and on opposite sides of respective ones of the plurality of lower partition plates; and a heated-air flow supply segment for supplying hot gas to the drying segment.Type: GrantFiled: October 8, 2010Date of Patent: May 20, 2014Assignee: Korea Institute of Energy ResearchInventors: Do Won Shun, Chang Keun Yi, Gyong Tae Jin, Sung Ho Cho, Jae Hyeon Park, Dal Hee Bae, Ho Jung Ryu, Young Cheol Park, Seung Yong Lee, Si Hyun Lee