Patents Assigned to MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
  • Publication number: 20210079823
    Abstract: A plant according to an embodiment includes a gas turbine; a heat recovery unit that includes a primary heat recovery steam generator in which a primary heat exchanging unit generates primary steam by exchanging heat that is the thermal energy of the flue gas from the gas turbine, and a secondary heat recovery steam generator that is installed independently from the primary heat exchanging unit, and in which a secondary heat exchanging unit generates secondary steam by exchanging heat that is the thermal energy of the flue gas partly having exchanged heat in the primary heat exchanging unit included in the primary heat recovery steam generator; a primary steam turbine; a CO2 recovery unit; and a first reboiler heat supply line.
    Type: Application
    Filed: April 19, 2019
    Publication date: March 18, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Tatsuya Tsujiuchi, Takahito Yonekawa, Takashi Kamijo
  • Patent number: 10940431
    Abstract: A reclaiming method is disclosed including conducting evaporation by introducing a part of the absorbent to recover CO2 or H2S in a gas in a closed system recovery unit and separating a degraded substance contained in the absorbent from the absorbent to be introduced into an evaporator and obtain recovery steam containing an absorbent and CO2 or H2S by a heating section that is provided on a circulation line that circulates in the evaporator; and removing ionic degraded substance by cooling the concentrate obtained in the evaporation and removing an ionic degraded substance in the concentrate after the cooling, wherein a purified concentrate from which the ionic degraded substance has been removed is reused as a purified absorbent.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 9, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Akiyori Hagimoto, Tsuyoshi Oishi, Tsutomu Hamada, Atsuhiro Yukumoto
  • Patent number: 10940430
    Abstract: A reclaiming device that separates an absorption liquid from a coexisting material other than an absorbent includes: a gas-liquid separator that accepts the absorption liquid to be reclaimed together with water and separates the absorption liquid into a non-volatile material and a vaporized material; a first discharged liquid line that introduces a first discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below an absorption liquid introduction port; a first heater, disposed on the first discharged liquid line, that heats the first discharged liquid; a second discharged liquid line that introduces a second discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below a first discharged liquid introduction port; and a mixing tank, disposed on the second discharged liquid line, that mixes the second discharged liquid with an alkaline agent.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: March 9, 2021
    Assignee: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
  • Patent number: 10942512
    Abstract: A vehicle operating device includes a portable display unit configured to display a state of a vehicle, a portable input unit configured to receive operation information of the vehicle input thereto on the basis of a displayed content by the display unit, a first information processing unit configured to process first information among input operation information, a second information processing unit configured to process second information, which is different from the first information, among the input operation information, an interlock system configured to enable only the first information to be processed in an operating state and enable the first information and the second information to be processed in a released state, and a portable wireless output unit configured to output an operation signal of the vehicle based only on the first information processed in the operating state.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: March 9, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Keisuke Kimura, Kenta Masumori, Fujio Shinoki, Satoshi Kawamoto
  • Publication number: 20210060532
    Abstract: A catalyst for COS hydrolysis includes titanium dioxide and a barium compound supported on the titanium dioxide. The catalyst, when expressing Ba and S in the catalyst in terms of BaO and SO3, respectively, has a molar ratio of SO3 to BaO of at least 1. The catalyst converts COS and H2O in a raw material gas to CO2 and H2S.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 4, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Katsumi Nochi, Masanao Yonemura, Toshinobu Yasutake, Kaori Yoshida
  • Publication number: 20210047574
    Abstract: A hydrocarbon recovery facility includes: a washing column configured to bring a gas and water into contact to deposit a hydrocarbon contained in the gas into the water; an automatic strainer for continuously removing the hydrocarbon together with part of the water from the water mixed with the hydrocarbon; an oil-water mixing drum for mixing the water and the hydrocarbon removed by the automatic strainer with an organic solvent to prepare an oil-water mixture; and an oil-water separation drum for separating the oil-water mixture prepared in the oil-water mixing drum into an oil phase and a water phase.
    Type: Application
    Filed: February 22, 2019
    Publication date: February 18, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Kaori Yoshida, Rikio Kan, Seiji Kakesako
  • Publication number: 20210048366
    Abstract: A tube leak detection device for detecting leak of at least one tube of a heat exchanger which increases a temperature of a liquid by heat exchange between the liquid flowing inside the at least one tube and a fluid flowing outside the at least one tube includes: an inlet opening-and-closing valve and an outlet opening-and-closing valve disposed at an inlet end and an outlet end of the at least one tube, respectively; and a pressure detection member for detecting a pressure inside the at least one tube between the inlet opening-and-closing valve and the outlet opening-and-closing valve.
    Type: Application
    Filed: January 21, 2019
    Publication date: February 18, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Kaori Yoshida, Ayumu Yamazaki, Rikio Kan, Kiyotaka Kunimune, Koji Nakayama
  • Publication number: 20210048187
    Abstract: An exhaust gas cooler includes: a steam drum containing first water; an economizer for heat exchange between exhaust gas and the first water supplied from the steam drum; and a feedwater pipe for supplying the first water with second water having a lower temperature than the first water. The exhaust gas cooler is configured such that the first water flowing out of the economizer is introduced into the steam drum.
    Type: Application
    Filed: February 22, 2019
    Publication date: February 18, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Kaori Yoshida, Moritoshi Murakami, Ayumu Yamazaki, Rikio Kan, Kiyotaka Kunimune, Koji Nakayama
  • Patent number: 10915438
    Abstract: A software-testing device includes a conversion unit configured to convert a PLC program for operating a programmable logic controller into a general-purpose language program described in a general-purpose programming language, and a test execution unit configured to perform a test on the general-purpose language program.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: February 9, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Hirotaka Okazaki, Noritaka Yanai, Masahiro Yamada, Yutaka Miyajima
  • Publication number: 20210031138
    Abstract: An absorbent liquid which absorbs at least one of CO2 and H2S from a gas, including a secondary linear monoamine; a tertiary linear monoamine or a sterically hindered primary monoamine; and a secondary cyclic diamine, wherein a concentration of each of the secondary linear monoamine, the tertiary linear monoamine or the sterically hindered primary monoamine; and the secondary cyclic diamine is less than 30% by weight.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 4, 2021
    Applicants: Mitsubishi Heavy Industries Engineering, Ltd., The Kansai Electric Power Co., Inc.
    Inventors: Hiroshi Tanaka, Takuya Hirata, Masami Kondo, Takashi Kamijo, Tatsuya Tsujiuchi
  • Publication number: 20210025588
    Abstract: A gas combustion treatment device that subjects an ammonia-containing gas, a hydrogen cyanide-containing gas, and a hydrogen sulfide-containing gas to combustion treatment includes: a first combustion unit configured to introduce therein fuel, the ammonia-containing gas, the hydrogen cyanide-containing gas, and air and burn and reduce the fuel and the gases at an air ratio lower than 1; a second combustion unit provided downstream of the first combustion unit and configured to burn and reduce, in a reducing atmosphere, nitrogen oxide in a first combustion gas sent from the first combustion unit; and a third combustion unit provided downstream of the second combustion unit and configured to introduce therein hydrogen sulfide-containing gas with air in addition to a second combustion gas sent from the second combustion unit.
    Type: Application
    Filed: July 4, 2018
    Publication date: January 28, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventor: Kaori YOSHIDA
  • Patent number: 10898936
    Abstract: A plastic working method for a magnesium alloy, wherein the magnesium alloy is subjected to a friction stir process whereby a probe at the tip portion of a tool rotating around an axial line is press-fitted to the surface of the magnesium alloy, the magnesium alloy is heated and softened by friction between the magnesium alloy and the rotating tool, and the tool is moved parallel to the surface of the magnesium alloy while the tool is rotated with the probe in the press-fitted state. When the length in a first direction of the region of the magnesium alloy being plastically worked is A, and the amount of shrinkage of the magnesium alloy in the first direction due to the friction stir process is ?, A+? is set as the length in the first direction of the region subjected to the friction stir process.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 26, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventor: Yoshinori Kato
  • Patent number: 10895043
    Abstract: A track includes a travel path including a travel face with which travel wheels of a vehicle come into contact while rolling. The travel path includes a plurality of travel path forming units that are arranged to be adjacent to each other in a travel direction of the vehicle and of which each includes a unit travel face forming part of the travel face and a positioning unit that fixes a relative position between travel path forming units adjacent to each other.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: January 19, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Toshiaki Asanoma, Yukihide Yanobu, Hiroyuki Kono, Koji Uchida, Akihisa Kawauchi, Yoshinobu Murakami, Yasuyuki Mukai
  • Publication number: 20210002569
    Abstract: A gas purification device includes: a converter packed with a catalyst for hydrolyzing both carbonyl sulfide and hydrogen cyanide; an upstream heat exchanger for heat exchange between a gas to be introduced into the converter and a cooling fluid for cooling the gas; a reaction-temperature estimation member for estimating a reaction temperature inside the converter; and a flow-rate adjustment member for adjusting a flow rate of the cooling fluid flowing into the upstream heat exchanger based on an estimated value of the reaction-temperature estimation member to control the reaction temperature.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 7, 2021
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Kaori Yoshida, Rikio Kan, Seiji Kakesako
  • Patent number: 10874976
    Abstract: An acid gas removal apparatus includes a reclaimer control device that performs: first supply water control in which at least one of reflux water, steam condensate, and desalinated water is supplied to a reclaimer as first supply water, at non-volatile component removal reclaiming; second supply water control in which at least one of the reflux water, the steam condensate, and the desalinated water is supplied to the reclaimer, and a washing liquid including an acid gas absorbing liquid is supplied to the reclaimer as second supply water, at an initial stage of finish reclaiming; and third supply water control in which supply of the second supply water is stopped and at least one of the reflux water, the steam condensate, and the desalinated water is supplied as the first supply water, at a later stage of the finish reclaiming.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 29, 2020
    Assignee: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
  • Publication number: 20200399548
    Abstract: A gas purification device removes a part of ammonia contained in a first gas; recovers a first off-gas containing the removed ammonia, removes hydrogen sulfide and ammonia from a second gas produced by removing the part of ammonia, recovers a second off-gas containing the removed hydrogen sulfide and ammonia, and combusts the first off-gas and the second off-gas. The gas purification device includes: a first combustion chamber in which combustion is performed in a reducing atmosphere; a second combustion chamber in which combustion is performed in a reducing atmosphere downstream of the first combustion chamber; and a third combustion chamber in which combustion is performed in an oxidizing atmosphere downstream of the second combustion chamber. The first off-gas flows into the first combustion chamber and the second off-gas flows into the third combustion chamber.
    Type: Application
    Filed: March 5, 2019
    Publication date: December 24, 2020
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Kaori Yoshida, Ayumu Yamazaki, Rikio Kan, Seiji Kakesako
  • Publication number: 20200398256
    Abstract: A catalyst for COS hydrolysis includes a catalyst containing titanium dioxide that supports a barium compound and a co-catalyst. The catalyst containing titanium dioxide that supports a barium compound is a molded catalyst comprising a honeycomb substrate. The co-catalyst is at least one selected from the group consisting of a potassium compound, a sodium compound, and a cesium compound.
    Type: Application
    Filed: November 16, 2018
    Publication date: December 24, 2020
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Katsumi Nochi, Toshinobu Yasutake, Kaori Yoshida
  • Patent number: 10864825
    Abstract: A wear degree information acquiring device includes a power cable measuring unit which measures a distance from a predetermined position of a vehicle to a wearing part coming into contact with the vehicle among power cables configured to supply power to the vehicle, and a distance from the predetermined position of the vehicle to a non-wearing part not coming into contact with the vehicle among the power cables; and a wear degree information acquiring unit which acquires information indicating a degree of wear of the power cable, on the basis of a difference between the distance from the predetermined position of the vehicle to the wearing part and the distance from the predetermined position of the vehicle to the non-wearing part.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: December 15, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
    Inventors: Katsuaki Morita, Kazuki Ozaki, Hisashi Motoyama
  • Patent number: 10857502
    Abstract: An absorbent liquid which absorbs at least one of CO2 and H2S from a gas, including a secondary linear monoamine; a tertiary linear monoamine or a sterically hindered primary monoamine; and a secondary cyclic diamine, wherein a concentration of each of the secondary linear monoamine, the tertiary linear monoamine or the sterically hindered primary monoamine; and the secondary cyclic diamine is less than 30% by weight.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: December 8, 2020
    Assignees: Mitsubishi Heavy Industries Engineering, Ltd., The Kansai Electric Power Co., Inc.
    Inventors: Hiroshi Tanaka, Takuya Hirata, Masami Kondo, Takashi Kamijo, Tatsuya Tsujiuchi
  • Publication number: 20200368672
    Abstract: A CO2 recovery device includes: an absorption tower configured to bring an emission gas including CO2 in contact with an absorbent solution, to remove the CO2 from the emission gas, and to thereby generate a rich solution corresponding to the absorbent solution having absorbed the CO2; a regeneration tower configured to regenerate the absorbent solution by removing the CO2 from the rich solution; a heat exchanger configured to carry out heat exchange between the rich solution and the absorbent solution which is higher in temperature than the rich solution and from which the CO2 is removed; an absorbent-solution delivery pipe configured to deliver the absorbent solution subjected to the heat exchange in the heat exchanger to the absorption tower; and a bypass pipe configured to deliver the rich solution before the heat exchange to the absorbent-solution delivery pipe.
    Type: Application
    Filed: December 26, 2018
    Publication date: November 26, 2020
    Applicant: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Yosuke Nakagawa, Daisuke Shimada, Tatsuya Tsujiuchi