Patents Assigned to MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
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Publication number: 20200368674Abstract: 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 reclaimingType: ApplicationFiled: October 15, 2018Publication date: November 26, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Publication number: 20200368682Abstract: An air pollution control unit is configured to bring particle-containing gas and washing liquid into contact with each other to collect particles in the particle-containing gas. The air pollution control unit includes a gas washing column having a gas cleaning section in which the particle-containing gas and the washing liquid are brought into co-current contact with each other, a gas cooling column disposed downstream of the gas washing column along the gas flow and having a gas cooling section in which the particle-containing gas that has been cleaned (cleaned gas) and cooling liquid are brought into countercurrent contact with each other, and a gas communication path.Type: ApplicationFiled: October 24, 2018Publication date: November 26, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Takuya HIRATA, Hiroshi TANAKA, Masayuki INUI, Shinya KISHIMOTO
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Publication number: 20200368673Abstract: A reclaiming apparatus includes: a reclaimer configured to extract a lean solution that is a part of an acid gas absorbing liquid regenerated in a regenerator in a recovery unit that recovers acid gas components in gas with the acid gas absorbing liquid, and introduce and receive an extracted lean liquid; an alkaline agent supply pipe configured to supply an alkaline agent to an inside of the reclaimer; a water supply pipe configured to supply supply water to the inside of the reclaimer; a recovered steam discharge pipe configured to introduce recovered steam discharged from the reclaimer into the regenerator; a thermometer that measures temperature in the reclaimer; a pressure guage configured to measure pressure in the reclaimer; and a reclaimer controller.Type: ApplicationFiled: October 15, 2018Publication date: November 26, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Patent number: 10844822Abstract: A model formula representing the relationship between an error between a predetermined stopping position and an actually-stopped position of a vehicle indicating the result of an automatic stop control, which controls the vehicle to stop at the predetermined stopping position using running-condition parameters, and the running-condition parameters used for the automatic stop control is calculated via machine learning. A stopping error is estimated with respect to the next stopping position, at which the vehicle currently running is going to stop, according to the model formula which is calculated in the past. The changing parameter to be changed is specified among the running-condition parameters, and then the changing parameter used for the automatic stop control is updated with a correction value configured to correct the stopping error of the vehicle.Type: GrantFiled: February 21, 2018Date of Patent: November 24, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventor: Kazuyuki Wakasugi
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Patent number: 10835863Abstract: An absorption column is equipped with: a CO2 absorption section absorbing CO2 from CO2-containing exhaust gas using a lean solution; a main rinse section recovering an entrained CO2 absorbent using rinse water; a rinse water circulation line circulating a rinse water containing the CO2 absorbent recovered in a liquid storage section of the main rinse section; a pre-rinse section provided between the CO2 absorption section and the main rinse section; a rinse section extraction liquid supply line extracting a portion of the rinse water containing the CO2 absorbent from the rinse water circulation line, and introducing the same into a reflux section of an absorption liquid regeneration tower; and a refluxed water supply line extracting a portion of refluxed water, introducing the same as pre-rinse water for the pre-rinse section, and connected on the pre-rinse section side.Type: GrantFiled: December 12, 2018Date of Patent: November 17, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Hiroshi Tanaka, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Takahiko Endo, Tatsuya Tsujiuchi
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Patent number: 10835862Abstract: SOx removal equipment for reducing sulfur oxides from flue gas from a boiler, a cooler which is provided on a downstream side of the SOx removal equipment for reducing the sulfur oxides that remain in the flue gas and for decreasing a gas temperature, CO2 recovery equipment which includes a CO2 absorber, and an absorption liquid regenerator, and mist generation material reduction equipment for reducing a mist generation material which is a generation source of mist that is generated in the CO2 absorber of the CO2 recovery equipment before introducing the flue gas to the CO2 recovery equipment are included.Type: GrantFiled: May 31, 2011Date of Patent: November 17, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Tatsuto Nagayasu, Takashi Kamijo, Masayuki Inui, Tsuyoshi Oishi, Hiromitsu Nagayasu, Hiroshi Tanaka, Takuya Hirata, Tatsuya Tsujiuchi, Susumu Okino, Naoyuki Kamiyama, Seiji Yoshihara
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Publication number: 20200347000Abstract: An olefin and methanol co-production plant for co-production of an olefin and methanol from a source gas containing methane includes: an olefin production unit for producing the olefin; and a methanol production unit for producing methanol from a carbon oxide gas in the olefin production unit. The olefin production unit includes a partial oxidative coupling device for producing the olefin by partial oxidative coupling reaction of methane contained in the source gas. The methanol production unit includes a reforming device for producing hydrogen by reforming reaction of methane, and a methanol production device for producing methanol by reaction with hydrogen produced by the reforming device. At least one of the reforming device or the methanol production device is configured to perform reaction using the carbon oxide gas in the olefin production unit.Type: ApplicationFiled: December 14, 2017Publication date: November 5, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Shinya Tachibana, Akiyori Hagimoto
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Patent number: 10773206Abstract: A CO2 recovery apparatus includes: an absorption tower configured to remove CO2 in an exhaust gas by contacting with a CO2 absorption liquid containing an absorption agent; a regeneration tower for regenerating the CO2 absorption liquid from the absorption tower; a reflux water drum for separating CO2 gas released from the regeneration tower into CO2 gas and condensed water; a first cleaning device installed in a gas-phase part of the regeneration tower and configured to remove the absorption agent contained in the CO2 gas flowing through the gas-phase part, by using a first cleaning liquid containing at least the condensed water from the reflux water drum or a water obtained from the condensed water; and a control device configured to adjust a supply amount of the first cleaning liquid to the first cleaning device so that a concentration of the absorption agent in the condensed water is maintained to be not greater than a predetermined value.Type: GrantFiled: October 10, 2018Date of Patent: September 15, 2020Assignee: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Osamu Miyamoto, Takashi Kamijo, Tatsuya Tsujiuchi
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Patent number: 10774278Abstract: 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: GrantFiled: June 8, 2017Date of Patent: September 15, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Masanao Yonemura, Toshinobu Yasutake, Akihiro Sawata, Yoshio Seiki, Yukio Tanaka, Koji Higashino, Hyota Abe, Kaori Yoshida
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Patent number: 10730537Abstract: An anomaly determination device includes a changeover force measurement unit that measures a changeover force output by a driving device, the driving device outputting a changeover force for switching a direction of a branch rail whose direction is variable, a voltage measurement unit that measures a voltage supplied to the driving device, a current measurement unit that measures a current flowing through the driving device, and an anomaly determination unit that determines whether or not there is an anomaly in the branch rail, there is an anomaly in the driving device, and there is an anomaly in power supplied to the driving device on the basis of the magnitude of the changeover force, the magnitude of the voltage, and the magnitude of the current.Type: GrantFiled: January 31, 2017Date of Patent: August 4, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Hiroyuki Kono, Yukihide Yanobu, Takeshi Kora, Eisuke Okano
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Patent number: 10718564Abstract: A gas liquefaction apparatus includes at least a source-gas supply line that supplies source gas; a room-temperature heat exchanger, a preliminary-cooling heat exchanger, and a liquefaction/supercooling heat exchanger that are provided in series sequentially in the source-gas supply line and that cool the source gas; a separation drum that separates the source gas containing a condensate, which has been cooled by heat exchange up to a liquefaction temperature of the source gas or below, into a gas component and a liquefied component; and a refrigerant-gas supply line that uses a gas component separated by the separation drum as refrigerant gas to supply the refrigerant gas in a direction opposite to a supply direction of the source gas, in order of the liquefaction/supercooling heat exchanger, the preliminary-cooling heat exchanger, and the room-temperature heat exchanger.Type: GrantFiled: January 4, 2016Date of Patent: July 21, 2020Assignee: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Wataru Matsubara, Atsuhiro Yukumoto, Nobuyuki Nishioka, Hiroyuki Furuichi, Takeo Shinoda, Hiroshi Shiomi
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Patent number: 10703976Abstract: A pyrolyzed coal quencher includes: a first water spray tube 79 that sprays water on pyrolyzed coal having a temperature of 300° C. or more obtained after pyrolyzing coal; a first cooling tube 80 that performs indirect cooling on the pyrolyzed coal obtained after spraying water by the first water spray tube 79 to a temperature of 100° C. or more; a second water spray tube 82 that sprays water on the pyrolyzed coal cooled by the first cooling tube 80 such that the pyrolyzed coal has a desired water content; and a second cooling tube 83 that performs indirect cooling on the pyrolyzed coal cooled by the first cooling tube 80 to a desired temperature of less than 100° C. Thus, the pyrolyzed coal can be promptly cooled and adjusted to a desired water content.Type: GrantFiled: March 9, 2015Date of Patent: July 7, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Shintaro Honjo, Kiyotaka Kunimune, Motofumi Ito, Junji Asahara
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Patent number: 10696188Abstract: Provided is a vehicle including the following: a vehicle body having side walls on both sides in a width direction that is perpendicular to the direction of travel, and having an expanded portion between the upper end and the lower end of the side wall, the expanded portion being expanded further outward in the width direction than the upper end and the lower end; and a seat provided in the vehicle body and having a seatback along the side wall and a seat surface that extends inward in the width direction of the vehicle body from the seatback, the portion of the rear surface of the seatback that faces the side wall and that protrudes the farthest towards the side wall being disposed in a position facing the expanded portion of an in-vehicle-side lateral surface of the side wall.Type: GrantFiled: July 15, 2016Date of Patent: June 30, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Toru Kanemori, Nobuyuki Fujio, Yoshiki Okubo, Ryuji Karasawa
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Patent number: 10677704Abstract: A system for analyzing a CO2 concentration of an amine-based absorbing solution includes a measurement apparatus that measures a viscosity of the amine-based absorbing solution and at least one selected from conductivity and ultrasonic propagation velocity of the amine-based absorbing solution, wherein the amine-based absorbing solution absorbs and removes CO2 from a target gas by gas-liquid contact with the target gas; and a controller that determines the CO2 concentration of the amine-based absorbing solution from results measured by the measurement apparatus.Type: GrantFiled: October 26, 2016Date of Patent: June 9, 2020Assignee: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Takuya Hirata, Masakazu Sakaguchi, Tatsuya Tsujiuchi, Hiroshi Tanaka
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Patent number: 10668427Abstract: An acid gas recovery method includes removing acid gas from a target gas by bringing the target gas containing the acid gas into gas-liquid contact with an absorbent amine solution and causing the absorbent amine solution to absorb the acid gas; regenerating the absorbent amine solution by releasing the acid gas from the absorbent amine solution that has absorbed the acid gas; causing a chelate resin to adsorb iron ions from the absorbent amine solution by causing the absorbent amine solution to pass through the chelate resin; causing a regenerant solution to pass through a chelate resin having iron ions adsorbed thereon; regenerating the chelate resin and obtaining a regenerant solution containing the iron ions and quantitatively measuring the iron ions in the regenerant solution containing the iron ions and calculating a concentration of iron ions in the absorbent amine solution.Type: GrantFiled: October 20, 2016Date of Patent: June 2, 2020Assignee: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Takuya Hirata, Shinichi Okamoto, Hiromitsu Nagayasu, Masaru Chiyomaru, Tatsuya Tsujiuchi
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Publication number: 20200155996Abstract: A method for recovering an acidic gas, includes: a step of bringing a gas to be treated that contains an acidic gas into gas-liquid into contact with an amine absorbing solution, allowing the amine absorbing solution to absorb the acidic gas, thereby removing the acidic gas from the gas to be treated; a step of allowing the amine absorbing solution that has absorbed the acidic gas to release the acidic gas, thereby regenerating the amine absorbing solution, and at the same time, recovering the released acidic gas; and an analysis step of calculating concentrations of iron ions and/or heavy metal ions in the amine absorbing solution.Type: ApplicationFiled: October 16, 2018Publication date: May 21, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Shinichi Okamoto, Shinji Nakamura, Takuya Hirata
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Patent number: 10625199Abstract: A CO2 recovery system includes: a CO2 absorber that transports flue gas with CO2 into contact with a CO2 absorbent to remove the CO2 and discharges a rich solution that has absorbed the CO2; an absorbent regenerator that separates the CO2 from the rich solution to regenerate the CO2 absorbent as a lean solution; a gas discharge line where a CO2 entrained gas from the absorbent regenerator is discharged; a reflux water drum that produces reflux water by separating CO2 and water from the CO2 entrained gas; a separation-gas discharge line where the separated CO2 is discharged; a compressor that compresses the separated CO2 gas; a condensate water drum that forms compressor condensate water by separating water from the compressed CO2 gas to form compressor condensate water; and a compressor-condensate water line that supplies the compressor condensate water as in-system or out-of-system supply water.Type: GrantFiled: March 1, 2018Date of Patent: April 21, 2020Assignee: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Osamu Miyamoto, Tatsuya Tsujiuchi, Takashi Kamijo
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Patent number: 10625717Abstract: A brake control device includes a mechanical brake output determination unit configured to determine the stage number of a braking force on the basis of a target deceleration of a moving body from one or a plurality of braking force stages output from a mechanical brake included in the moving body, a mechanical braking force estimation unit configured to estimate braking force of the mechanical brake corresponding to the stage number determined by the mechanical brake output determination unit, and a regenerative brake control unit configured to output a regenerative brake command value such that a regenerative brake included in the moving body outputs a braking force corresponding to a difference between target braking force based on the target deceleration and the braking force estimated by the mechanical braking force estimation unit.Type: GrantFiled: November 17, 2016Date of Patent: April 21, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Noritaka Yanai, Hirotaka Okazaki, Kazuyuki Wakasugi, Yutaka Miyajima
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Publication number: 20200114304Abstract: A reclaiming apparatus includes: a container; an absorption-liquid supply line for supplying the container with an absorption liquid containing an absorption agent; a water supply line for supplying the container with a water; a steam discharge line for discharging steam from the container; a heating device for heating a liquid containing at least one of the water or the absorption liquid; and a control device configured to determine, on the basis of a temperature of the liquid stored in the container, an ending timing of an absorption-agent recovery process of recovering steam containing the absorption agent via the steam discharge line by heating of the liquid with the heating device.Type: ApplicationFiled: October 10, 2018Publication date: April 16, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Osamu Miyamoto, Takashi Kamijo, Tatsuya Tsujiuchi
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Publication number: 20200114302Abstract: A reclaiming apparatus includes: a container in which a reclaiming process of an absorption liquid is performed; an absorption liquid supply line for supplying the container with the absorption liquid; a heat exchange device, installed inside the container, for heating a liquid inside the container; a circulation line for extracting the liquid inside the container, circulating the liquid and returning the liquid to the container; and a circulation pump installed in the circulation line.Type: ApplicationFiled: October 10, 2018Publication date: April 16, 2020Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Osamu Miyamoto, Takashi Kamijo, Tatsuya Tsujiuchi