Patents by Inventor Yoshio Seiki

Yoshio Seiki 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).

  • Publication number: 20240058850
    Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Inventors: Atsuhiro YUKUMOTO, Akira Noma, Yoshio Seiki, Yasumichi Aoki, Nobuyuki Ukai, Kazuhiro Kawai, Jun Satou, Susumu Okino
  • Patent number: 11839909
    Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: December 12, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsuhiro Yukumoto, Akira Noma, Yoshio Seiki, Yasumichi Aoki, Nobuyuki Ukai, Kazuhiro Kawai, Jun Satou, Susumu Okino
  • Publication number: 20230303390
    Abstract: A hydrogen production system includes: a hydrogen compound slurry in which a hydrogen compound member is suspended in a solvent containing water; a first vessel; a second vessel having an internal temperature higher than that of the first vessel; a first passage connecting the first vessel and the second vessel; and a second passage connecting the first vessel and the second vessel and different from the first passage. The hydrogen production system is configured to allow the hydrogen compound slurry contained in the first vessel to move into the second vessel through the first passage, and the hydrogen compound slurry contained in the second vessel to move into the first vessel through the second passage.
    Type: Application
    Filed: February 6, 2023
    Publication date: September 28, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsushi Tanaka, Yoshio Seiki, Shuntaro Seto, Hideki Ito, Hidekazu Nishino, Ichirou Toyoda
  • Publication number: 20220162136
    Abstract: A waste treatment system comprises: a first hydrothermal treatment device for performing hydrothermal treatment of waste; a first solid-liquid separation device for separating a first reactant of the first hydrothermal treatment device into a solid and a liquid or slurry; a second hydrothermal treatment device for performing hydrothermal treatment of the solid of the first reactant; a second solid-liquid separation device for separating a second reactant of the second hydrothermal treatment device into a solid and a liquid or slurry; and a fermentation device for fermenting the liquid or the slurry of the first reactant and the liquid or the slurry of the second reactant.
    Type: Application
    Filed: February 4, 2020
    Publication date: May 26, 2022
    Inventors: Atsuhiro YUKUMOTO, Akira NOMA, Jun SATOU, Yasumichi AOKI, Daiki YAMAGUCHI, Yoshio SEIKI, Kazuto KOBAYASHI, Susumu OKINO, Satoshi WAKUI
  • Publication number: 20210146410
    Abstract: A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.
    Type: Application
    Filed: April 11, 2019
    Publication date: May 20, 2021
    Inventors: Atsuhiro YUKUMOTO, Akira NOMA, Yoshio SEIKI, Yasumichi AOKI, Nobuyuki UKAI, Kazuhiro KAWAI, Jun SATOU, Susumu OKINO
  • Patent number: 10822566
    Abstract: A biomass fuel manufacturing plant includes: a separating section that separates oil and water from oil-containing wastewater discharged from an essential oil plant that refines essential oil from fruits containing fats and oils, and separates the oil and water into POME oil and treated water; a discharged oil supply line that supplies at least one of the POME oil, discharged oil at compressing discharged when compressing empty fruit bunches, and discharged oil at crushing discharged when crushing the empty fruit bunches, to at least one or more locations of a carbonization section that generates carbide by performing heat treatment with respect to the empty fruit bunches discharged from the essential oil plant and a fuel generation section that generates a fuel from the carbide.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 3, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasumichi Aoki, Akira Noma, Yoshio Seiki, Atsuhiro Yukumoto
  • Patent number: 10774278
    Abstract: A CO shift catalyst according to the present invention reforms carbon monoxide (CO) in gas. The CO shift catalyst has one of molybdenum (Mo) or iron (Fe) as a main component and has an active ingredient having one of nickel (Ni) or ruthenium (Ru) as an accessory component and one or two or more kinds of oxides from among titanium (Ti), zirconium (Zr), and cerium (Ce) for supporting the active ingredient as a support. The temperature at the time of manufacturing and firing the catalyst is equal to or higher than 550° C.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: September 15, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Masanao Yonemura, Toshinobu Yasutake, Akihiro Sawata, Yoshio Seiki, Yukio Tanaka, Koji Higashino, Hyota Abe, Kaori Yoshida
  • Publication number: 20190153346
    Abstract: A biomass fuel manufacturing plant includes: a separating section that separates oil and water from oil-containing wastewater discharged from an essential oil plant that refines essential oil from fruits containing fats and oils, and separates the oil and water into POME oil and treated water; a discharged oil supply line that supplies at least one of the POME oil, discharged oil at compressing discharged when compressing empty fruit bunches, and discharged oil at crushing discharged when crushing the empty fruit bunches, to at least one or more locations of a carbonization section that generates carbide by performing heat treatment with respect to the empty fruit bunches discharged from the essential oil plant and a fuel generation section that generates a fuel from the carbide.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Inventors: Yasumichi AOKI, Akira NOMA, Yoshio SEIKI, Atsuhiro YUKUMOTO
  • Patent number: 10258960
    Abstract: A reforming device (10) according to the present invention has a compressor (11), a first heat exchanger (12), a desulfurization device (13), a reformer (14), a raw material gas branching line (L11) that extracts a compressed natural gas (21) from a downstream side of the desulfurization device (13) with respect to the flow direction of the natural gas (21) and supplies the natural gas (21) to the reformer (14), and a flue gas discharging line (L12) that discharges a flue gas (22) generated in the reformer (14), wherein the first heat exchanger (12) is provided in the flue gas discharging line (L12), and the flue gas (22) is used as a heating medium of the compressed natural gas (21).
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 16, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Mikiya Sakurai, Naoya Okuzumi, Ryota Shimura, Shuichi Miyamoto, Yoshio Seiki, Hiroyuki Osora
  • Patent number: 10000378
    Abstract: A carbon monoxide (CO) Shift reaction apparatus and a CO shift conversion method are capable of increasing the service life of a CO shift catalyst and reducing loss of energy. The CO shift reaction apparatus includes a plurality of CO shift reaction units in which a plurality of CO shift catalysts haying mutually different active-temperature regions are arranged in a gas flow direction.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: June 19, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hyota Abe, Yoshio Seiki, Akihiro Sawata, Yukio Tanaka, Masanao Yonemura
  • Patent number: 9895648
    Abstract: A CO2 recovery system includes an absorption tower that brings gas containing CO2 into contact with a CO2 absorption solution to remove CO2 from the CO2-containing gas; a regeneration tower that regenerates a CO2-absorbed rich solution; and a compression device that re-uses a lean solution, from which CO2 has been removed in the regeneration tower, in the absorption tower and compresses CO2 in gas emitted from the regeneration tower, wherein the rich solution has a high pressure, the high-pressure rich solution is subjected to gas-liquid separation by a flash drum, the rich solution as a liquid component separated in the flash drum is introduced into the regeneration tower, and high-pressure CO2 gas as a gas component separated in the flash drum is introduced into a compression device having a predetermined compression pressure.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: February 20, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshio Seiki, Kouji Horizoe, Atsuhiro Yukumoto, Haruaki Hirayama, Masaki Yushima
  • Publication number: 20170267939
    Abstract: A CO shift catalyst according to the present invention reforms carbon monoxide (CO) in gas. The CO shift catalyst has one of molybdenum (Mo) or iron (Fe) as a main component and has an active ingredient having one of nickel (Ni) or ruthenium (Ru) as an accessory component and one or two or more kinds of oxides from among titanium (Ti), zirconium (Zr), and cerium (Ce) for supporting the active ingredient as a support. The temperature at the time of manufacturing and firing the catalyst is equal to or higher than 550° C.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 21, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masanao Yonemura, Toshinobu Yasutake, Akihiro Sawata, Yoshio Seiki, Yukio Tanaka, Koji Higashino, Hyota Abe, Kaori Yoshida
  • Patent number: 9737868
    Abstract: A reforming device according to the present invention has a compressor, a first heat exchanger, a desulfurization device, a reformer, a raw material gas branching line that extracts a compressed natural gas from a downstream side of the desulfurization device with respect to the flow direction of the natural gas and supplies the natural gas to the reformer, and a flue gas discharging line that discharges a flue gas generated in the reformer, wherein the first heat exchanger is provided in the flue gas discharging line, and the flue gas is used as a heating medium of the compressed natural gas.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: August 22, 2017
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mikiya Sakurai, Naoya Okuzumi, Ryota Shimura, Shuichi Miyamoto, Yoshio Seiki, Hiroyuki Osora
  • Publication number: 20170096333
    Abstract: A reforming device (10) according to the present invention has a compressor (11), a first heat exchanger (12), a desulfurization device (13), a reformer (14), a raw material gas branching line (L11) that extracts a compressed natural gas (21) from a downstream side of the desulfurization device (13) with respect to the flow direction of the natural gas (21) and supplies the natural gas (21) to the reformer (14), and a flue gas discharging line (L12) that discharges a flue gas (22) generated in the reformer (14), wherein the first heat exchanger (12) is provided in the flue gas discharging line (L12), and the flue gas (22) is used as a heating medium of the compressed natural gas (21).
    Type: Application
    Filed: December 13, 2016
    Publication date: April 6, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mikiya Sakurai, Naoya Okuzumi, Ryota Shimura, Shuichi Miyamoto, Yoshio Seiki, Hiroyuki Osora
  • Patent number: 9611438
    Abstract: A steam reformer generates reformed gas by a steam-reforming reaction of hydrocarbon gas such as natural gas. A methanol synthesis column and a gasoline synthesis column synthesize gasoline from the reformed gas via methanol and produce a liquid fuel. A superheater superheats a part of low-pressure steam that has been heat-recovered from the reformed gas with a part of middle-pressure steam that has been heat-recovered by the methanol synthesis column or the gasoline synthesis column, and the steam thereby brought into an unsaturated state is supplied to a low-pressure steam turbine.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: April 4, 2017
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masaki Iijima, Ryuji Yoshiyama, Haruaki Hirayama, Yoshio Seiki
  • Publication number: 20160032202
    Abstract: A CO shift catalyst according to the present invention reforms carbon monoxide (CO) in gas. The CO shift catalyst has one of molybdenum (Mo) or iron (Fe) as a main component and has an active ingredient having one of nickel (Ni) or ruthenium (Ru) as an accessory component and one or two or more kinds of oxides from among titanium (Ti), zirconium (Zr), and cerium (Ce) for supporting the active ingredient as a support. The temperature at the time of manufacturing and firing the catalyst is equal to or higher than 550° C.
    Type: Application
    Filed: February 27, 2013
    Publication date: February 4, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masanao YONEMURA, Toshinobu YASUTAKE, Akihiro SAWATA, Yoshio SEIKI, Yukio TANAKA, Koji HIGASHINO, Hyota ABE, Kaori YOSHIDA
  • Patent number: 9248399
    Abstract: Provided is a CO2 recovery system including: a high-pressure absorption tower; a high-pressure regeneration tower that partially regenerates a CO2 absorption solution from the absorption tower through a first liquid feed line; a second liquid feed line that extracts a semi-lean solution having a heat resistance temperature thereof or lower from the high-pressure regeneration tower and introduces a portion of the semi-lean solution into a middle stage of the high-pressure absorption tower; a branch line that introduces a rest of the semi-lean solution into a flash drum; a third liquid feed line that introduces a lean solution after adding pressure thereto into a top of the high-pressure absorption tower; a high-pressure CO2 compression device where high-pressure CO2 gas from the high-pressure regeneration tower is introduced; and a low-pressure CO2 compression device where low-pressure CO2 from the flash drum is introduced.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: February 2, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshio Seiki, Kouji Horizoe, Atsuhiro Yukumoto, Haruaki Hirayama, Masaki Yushima
  • Patent number: 9238827
    Abstract: A biomass hydrothermal decomposition apparatus includes, a biomass feeder (31) that feeds biomass material (11) under normal pressure to under increased pressure, a hydrothermal decomposition device (41A) that allows the fed biomass material (11) to be gradually moved inside a gradient device main body (42) from a lower end thereof with a conveyor screw (43), and also allows hot compressed water (15) to be fed from an other end of a feed section (31) for the biomass material into the main body (42), so as to cause the biomass material (11) and the hot compressed water (15) to countercurrently contact with each other and undergo hydrothermal decomposition, and that transfers a lignin component and a hemicellulose component into the hot compressed water, so as to separate the lignin component and the hemicellulose component from the biomass material (11); and a biomass discharger (51) that discharges, from the upper end of the device main body (42), a biomass solid residue (17) under increased pressure to an un
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: January 19, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES MECHATRONICS SYSTEMS, LTD.
    Inventors: Minoru Genta, Ryosuke Uehara, Kinya Fujita, Setsuo Omoto, Wataru Matsubara, Yoshio Seiki
  • Patent number: 9238208
    Abstract: A CO shift reaction apparatus 11 according to the present invention includes: adiabatic reactors 31A to 31C, each having CO shift catalyst layers 35A to 35C filled with a CO shift catalyst 34 which reforms CO in gasification gas 15; gas supply lines l11 to l15 which supply the gasification gas 15 to the adiabatic reactors 31A to 31C; first gas flow rate control units 32A and 32B which adjust the amounts of gas supplied to the adiabatic reactors 31A to 31C; gas discharge lines l21 to l25 which discharge processing gas; and second gas flow rate control unit 33A and 33B which adjust flow rates of processing gas 38A-1, 38A-2, 38B-1, and 38B-2.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: January 19, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshio Seiki, Shuji Fujii, Koji Higashino, Kaori Yoshida, Masaki Yushima
  • Publication number: 20160002032
    Abstract: A carbon monoxide (CO) Shift reaction apparatus and a CO shift conversion method are capable of increasing the service life of a CO shift catalyst and reducing loss of energy. The CC) shift reaction apparatus includes a plurality of CO shift reaction units in which a plurality of CO shift catalysts haying mutually different active-temperature regions are arranged in a gas flow direction.
    Type: Application
    Filed: February 18, 2014
    Publication date: January 7, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hyota Abe, Yoshio Seiki, Akihiro Sawata, Yukio Tanaka, Masanao Yonemura